Compare commits

..

No commits in common. "f65f6b957a1a060c8f3ae58de62b7c04ab7134ca" and "695876af0d3116705d6f0f9775afe2980eff455b" have entirely different histories.

67 changed files with 2231 additions and 2561 deletions

5
.gitignore vendored
View file

@ -1,6 +1 @@
*.a
*.c~
*.h~
*.log *.log
*.o
test/test_*

3
.ssh-agent Normal file
View file

@ -0,0 +1,3 @@
SSH_AUTH_SOCK=/tmp/ssh-QHib2992/agent.2992; export SSH_AUTH_SOCK;
SSH_AGENT_PID=2993; export SSH_AGENT_PID;
echo Agent pid 2993;

View file

@ -1,9 +1,9 @@
\documentclass[12pt,a4paper]{report} \documentclass[12pt,a4paper]{report}
%\usepackage{a4wide} \usepackage{a4wide}
\usepackage{geometry} \usepackage{geometry}
%\usepackage{typehtml} \usepackage{typehtml}
\usepackage[latin1]{inputenc} \usepackage[latin1]{inputenc}
%\usepackage{listings} \usepackage{listings}
\usepackage[french]{babel} \usepackage[french]{babel}
\usepackage{fancyheadings} \usepackage{fancyheadings}
\usepackage{color} \usepackage{color}

View file

@ -9,9 +9,12 @@
/* TODO: prevoir le cas des négatifs dans la taille ... */ /* TODO: prevoir le cas des négatifs dans la taille ... */
void *msgAllocate(msgSpace * space, int pool, int taille, int option) void * msgAllocate(msgSpace *space,
{ int pool,
void *resultAddr = NULL; int taille,
int option
){
void * resultAddr=NULL;
int bufferFreeSize; int bufferFreeSize;
int i; int i;
msgPoolId resultPoolId; msgPoolId resultPoolId;
@ -21,21 +24,23 @@ void *msgAllocate(msgSpace * space, int pool, int taille, int option)
int idxPoolOptimum; int idxPoolOptimum;
bool gotRessourceSem; bool gotRessourceSem;
msgPoolDataTabSemId ressourceSemId; msgPoolDataTabSemId ressourceSemId;
sem_t *ressourceSemFd; sem_t * ressourceSemFd;
int ressourceSemVal; int ressourceSemVal;
int nbLockedSem; int nbLockedSem;
float minPoolCoef; float minPoolCoef;
int selectedPoolIndex; int selectedPoolIndex;
int bufferFreeIndex; int bufferFreeIndex;
msgPoolData *mSPoolDataTabAddr; msgPoolData * mSPoolDataTabAddr;
selectedPoolIndex = -1;
mSPoolDataTabAddr = msgPoolDataTabOpen(space); selectedPoolIndex=-1;
if (mSPoolDataTabAddr == NULL) {
NZG_ERROR("msgPoolDataTabOpen", space->poolDataTabId);
mSPoolDataTabAddr=msgPoolDataTabOpen(space);
if (mSPoolDataTabAddr==NULL){
NZG_ERROR("msgPoolDataTabOpen",space->poolDataTabId);
goto ERROR; goto ERROR;
} }
/* /*
// verifier le premier arg du shm_open // verifier le premier arg du shm_open
mSPoolDataTabFd=shm_open(space->poolDataTabId, mSPoolDataTabFd=shm_open(space->poolDataTabId,
@ -59,82 +64,68 @@ void *msgAllocate(msgSpace * space, int pool, int taille, int option)
return NULL; return NULL;
} }
*/ */
gotRessourceSem = false; gotRessourceSem=false;
/* initialisation des coefs */ /* initialisation des coefs */
for (i = 0; i < (space->poolNb); i++) { for (i=0;i<(space->poolNb);i++){
semPoolCoef[i] = -1; semPoolCoef[i]=-1;
} }
nbLockedSem = 0; nbLockedSem=0;
if (pool == ANYPOOL) { if ( pool == ANYPOOL){
fprintf(stderr, "[ ALLOCATION ANYPOOL : %d ]\n", (int)getpid()); fprintf(stderr,"[ ALLOCATION ANYPOOL : %d ]\n",(int)getpid());
// choisir le pool au hasard (ou presque) // choisir le pool au hasard (ou presque)
for (i = 0; i < (space->poolNb); i++) { for(i=0; i<(space->poolNb); i++) {
printf("- boucle %d\n", i); printf("- boucle %d\n",i); fflush(stdout);
fflush(stdout); if(mSPoolDataTabAddr[i].bufferSize >= taille) {
if (mSPoolDataTabAddr[i].bufferSize >= taille) { printf("( buffSize > taille )\n"); fflush(stdout);
printf("( buffSize > taille )\n");
fflush(stdout);
/* choisir le numero du semaphore /* choisir le numero du semaphore
en fonction du nombre de lock poses / nombre de buffer */ en fonction du nombre de lock poses / nombre de buffer */
msgPoolSemIdIntern(ressourceSemId, space->id, msgPoolSemIdIntern(ressourceSemId,space->id,i);
i); ressourceSemFd = sem_open(ressourceSemId,O_CREAT,SEM_DEFAULT_MODE,0);
ressourceSemFd = if (ressourceSemFd == SEM_FAILED){
sem_open(ressourceSemId, O_CREAT, NZG_ERROR("sem_open",ressourceSemId);
SEM_DEFAULT_MODE, 0);
if (ressourceSemFd == SEM_FAILED) {
NZG_ERROR("sem_open", ressourceSemId);
return NULL; return NULL;
} }
/* on remplit le tableau avec les valeurs des semaphores */ /* on remplit le tableau avec les valeurs des semaphores */
if (sem_getvalue if (sem_getvalue(ressourceSemFd, &ressourceSemVal) < 0){
(ressourceSemFd, &ressourceSemVal) < 0) { NZG_ERROR("sem_getvalue",ressourceSemId);
NZG_ERROR("sem_getvalue",
ressourceSemId);
return NULL; return NULL;
} }
printf("RESSOURCESEMVAL %d\n", ressourceSemVal); printf("RESSOURCESEMVAL %d\n",ressourceSemVal);
if (ressourceSemVal <= 0) { if (ressourceSemVal <= 0){
printf("resVal < 0 : %d\n", printf("resVal < 0 : %d\n",ressourceSemVal);
ressourceSemVal);
/* il y a ressourceSemVal processus qui attendent déja... */ /* il y a ressourceSemVal processus qui attendent déja... */
semPoolCoef[nbLockedSem] = semPoolCoef[nbLockedSem] =
(float)((1 - (float) ((1-ressourceSemVal) / mSPoolDataTabAddr[i].bufferNb);
ressourceSemVal) /
mSPoolDataTabAddr[i].
bufferNb);
nbLockedSem++; nbLockedSem++;
} }
if (sem_trywait(ressourceSemFd) == 0) { if(sem_trywait(ressourceSemFd)==0) {
printf("got try_wait\n"); printf("got try_wait\n");
/* choisir la 1ere pool de taille plus grande /* choisir la 1ere pool de taille plus grande
* libre si possible */ * libre si possible */
gotRessourceSem = true; gotRessourceSem=true;
selectedPoolIndex = i; selectedPoolIndex=i;
break; break;
} }
if (sem_close(ressourceSemFd) < 0) { if( sem_close(ressourceSemFd) <0){
NZG_ERROR("sem_getvalue", NZG_ERROR("sem_getvalue",ressourceSemId);
ressourceSemId);
return NULL; return NULL;
} }
} // if buffSize > taille } // if buffSize > taille
} // for } // for
printf("ERRORDETECT outFor\n"); printf("ERRORDETECT outFor\n"); fflush(stdout);
fflush(stdout);
if (!gotRessourceSem) { if (!gotRessourceSem) {
printf("Calcul du meilleur en cas de liberation\n"); printf("Calcul du meilleur en cas de liberation\n");
minPoolCoef = semPoolCoef[0]; minPoolCoef= semPoolCoef[0];
idxPoolOptimum = 0; idxPoolOptimum = 0;
/* on cherche le pool avec le moins de lock poses / nbre de buffer /* on cherche le pool avec le moins de lock poses / nbre de buffer
* le numéro du pool est stocké dans idxPoolOptimum */ * le numéro du pool est stocké dans idxPoolOptimum */
for (i = 0; i < nbLockedSem; i++) { for(i=0; i<nbLockedSem; i++) {
printf("Coef %d : %d\n", i, printf("Coef %d : %d\n",i,(int)semPoolCoef[i]);
(int)semPoolCoef[i]);
if ((semPoolCoef[i] != -1) if ((semPoolCoef[i] != -1)
&& (semPoolCoef[i] < minPoolCoef)) { && (semPoolCoef[i] < minPoolCoef)) {
minPoolCoef = semPoolCoef[i]; minPoolCoef = semPoolCoef[i];
@ -142,40 +133,40 @@ void *msgAllocate(msgSpace * space, int pool, int taille, int option)
} }
} }
if (minPoolCoef == -1) { if (minPoolCoef == -1){
/* il n'y a aucune pool dont la taille satisfait la demande */ /* il n'y a aucune pool dont la taille satisfait la demande */
return NULL; return NULL;
} else { } else {
selectedPoolIndex = idxPoolOptimum; selectedPoolIndex=idxPoolOptimum;
} }
printf("Optimum : %d\n", selectedPoolIndex); printf("Optimum : %d\n",selectedPoolIndex);
} }
} else { }else {
fprintf(stderr, "[ ALLOCATION : %d ]\n", (int)getpid()); fprintf(stderr,"[ ALLOCATION : %d ]\n",(int)getpid());
selectedPoolIndex = pool; selectedPoolIndex=pool;
} }
if (!gotRessourceSem) { if (!gotRessourceSem){
msgPoolSemIdIntern(ressourceSemId, space->externId, msgPoolSemIdIntern(ressourceSemId,space->externId,selectedPoolIndex);
selectedPoolIndex); ressourceSemFd=sem_open(ressourceSemId,O_CREAT,SEM_DEFAULT_MODE,0);
ressourceSemFd = if(ressourceSemFd==SEM_FAILED){
sem_open(ressourceSemId, O_CREAT, SEM_DEFAULT_MODE, 0); NZG_ERROR("sem_open",ressourceSemId);
if (ressourceSemFd == SEM_FAILED) {
NZG_ERROR("sem_open", ressourceSemId);
return NULL; return NULL;
} }
//TODO:virer la ligne suivante: //TODO:virer la ligne suivante:
sem_getvalue(ressourceSemFd, &ressourceSemVal); sem_getvalue(ressourceSemFd, &ressourceSemVal);
printf("SemWait... %s : %d\n", ressourceSemId, ressourceSemVal); printf("SemWait... %s : %d\n",ressourceSemId,ressourceSemVal);
if (sem_wait(ressourceSemFd) < 0) { if (sem_wait(ressourceSemFd) < 0){
NZG_ERROR("sem_wait", ressourceSemId); NZG_ERROR("sem_wait",ressourceSemId);
sem_close(ressourceSemFd); sem_close(ressourceSemFd);
return NULL; return NULL;
} }
printf("Passed %s\n", ressourceSemId); printf("Passed %s\n",ressourceSemId);
} }
/* on a acqui un semaphore pour la ressouce */ /* on a acqui un semaphore pour la ressouce */
/* on acquiert le droit de modifier les infos sur la ressource */ /* on acquiert le droit de modifier les infos sur la ressource */
/* on protege le tableau des associations */ /* on protege le tableau des associations */
@ -183,43 +174,41 @@ void *msgAllocate(msgSpace * space, int pool, int taille, int option)
/* on modifie maintenant les données */ /* on modifie maintenant les données */
/* - on récupere l'index du premier buffer libre */ /* - on récupere l'index du premier buffer libre */
bufferFreeIndex = bufferFreeIndex = msgBufferGetFreeIndex(mSPoolDataTabAddr,selectedPoolIndex);
msgBufferGetFreeIndex(mSPoolDataTabAddr, selectedPoolIndex); if (bufferFreeIndex < 0){
if (bufferFreeIndex < 0) {
// aucun buffer libre ? // aucun buffer libre ?
NZG_ERROR("msgBufferGetFreeIndex", ""); NZG_ERROR("msgBufferGetFreeIndex","");
goto ERROR; goto ERROR;
} }
printf("Buffer selected : %d,%d\n", selectedPoolIndex, bufferFreeIndex); printf("Buffer selected : %d,%d\n",selectedPoolIndex,bufferFreeIndex);
/* mapper le buffer libre dans l'esp addr du proc */ /* mapper le buffer libre dans l'esp addr du proc */
strcpy(resultPoolId, mSPoolDataTabAddr[selectedPoolIndex].poolId); strcpy(resultPoolId,mSPoolDataTabAddr[selectedPoolIndex].poolId);
bufferFreeSize = mSPoolDataTabAddr[selectedPoolIndex].bufferSize; bufferFreeSize=mSPoolDataTabAddr[selectedPoolIndex].bufferSize;
printf("BufferSize : %d\n", bufferFreeSize); printf("BufferSize : %d\n", bufferFreeSize);
resultAddr = resultAddr=msgBufferMap(mSPoolDataTabAddr,selectedPoolIndex,bufferFreeIndex);
msgBufferMap(mSPoolDataTabAddr, selectedPoolIndex, bufferFreeIndex); if (resultAddr==NULL){
if (resultAddr == NULL) { NZG_ERROR("msgBufferMap",mSPoolDataTabAddr[selectedPoolIndex].poolId);
NZG_ERROR("msgBufferMap",
mSPoolDataTabAddr[selectedPoolIndex].poolId);
goto ERROR; goto ERROR;
} }
/* - on s'enregistre aupres de ce buffer */ /* - on s'enregistre aupres de ce buffer */
msgBufferAttachProc(mSPoolDataTabAddr, msgBufferAttachProc(mSPoolDataTabAddr,
selectedPoolIndex, bufferFreeIndex, resultAddr); selectedPoolIndex,
bufferFreeIndex,
resultAddr);
// munmap(mSPoolDataTabAddr,(space->poolNb) * sizeof( msgPoolData )); // munmap(mSPoolDataTabAddr,(space->poolNb) * sizeof( msgPoolData ));
/* unmapper le msgPoolDataTab */ /* unmapper le msgPoolDataTab */
msgPoolDataTabClose(space, mSPoolDataTabAddr); msgPoolDataTabClose(space,mSPoolDataTabAddr);
msgPoolDataTabUnlock(space); msgPoolDataTabUnlock(space);
printf("alloc de %p\n", (void *)resultAddr); printf( "alloc de 0x%08x\n", (int)resultAddr);
return resultAddr; return resultAddr;
ERROR:
ERROR: NZG_ERROR("msgAllocate","error processing");
NZG_ERROR("msgAllocate", "error processing");
msgPoolDataTabUnlock(space); msgPoolDataTabUnlock(space);
munmap(mSPoolDataTabAddr, (space->poolNb) * sizeof(msgPoolData)); munmap(mSPoolDataTabAddr,(space->poolNb) * sizeof( msgPoolData ));
return NULL; return NULL;
} }

View file

@ -1,11 +1,15 @@
#include "libnazgul.h" #include "libnazgul.h"
int msgBufferGetAttachedProcIndex(msgPoolData * poolDataTabAddr, int msgBufferGetAttachedProcIndex(
int poolIndex, void *addr) msgPoolData * poolDataTabAddr,
{ int poolIndex,
void * addr
){
//TODO: parcourrir tous les index, et regarder s'il y //TODO: parcourrir tous les index, et regarder s'il y
//a une addresse qui correspond avec le meme processus... //a une addresse qui correspond avec le meme processus...
//et renvoyer l'index du buffer correspondant a l'addresse... //et renvoyer l'index du buffer correspondant a l'addresse...
return 0; return 0;
} }

View file

@ -1,36 +1,41 @@
#include "libnazgul.h" #include "libnazgul.h"
int msgBufferAttachProc(msgPoolData * poolDataTabAddr, int msgBufferAttachProc(
int poolIndex, int bufferIndex, void *addr) msgPoolData * poolDataTabAddr,
int poolIndex,
int bufferIndex,
void * addr)
{ {
msgBufferInfoTabId bufferInfoTabId; msgBufferInfoTabId bufferInfoTabId;
int bufferInfoTabFd; int bufferInfoTabFd;
msgBufferInfo *bufferInfoTabAddr; msgBufferInfo * bufferInfoTabAddr;
int bufferInfoNb; int bufferInfoNb;
//récuperer l'ID du BufferInfoTab; //récuperer l'ID du BufferInfoTab;
strcpy(bufferInfoTabId, poolDataTabAddr[poolIndex].bufferInfoTabId); strcpy(bufferInfoTabId, poolDataTabAddr[poolIndex].bufferInfoTabId);
bufferInfoTabFd = shm_open(bufferInfoTabId, O_RDWR, SHM_DEFAULT_MODE);
if (bufferInfoTabFd < 0) { bufferInfoTabFd=shm_open(bufferInfoTabId,O_RDWR,SHM_DEFAULT_MODE);
NZG_ERROR("sem_open", bufferInfoTabId); if (bufferInfoTabFd<0){
NZG_ERROR("sem_open",bufferInfoTabId);
return -1; return -1;
} }
/** on regarde dans le tableau d'infos de buffer **/ /** on regarde dans le tableau d'infos de buffer **/
bufferInfoNb = poolDataTabAddr[poolIndex].bufferNb; bufferInfoNb=poolDataTabAddr[poolIndex].bufferNb;
bufferInfoTabAddr = mmap(NULL, bufferInfoNb * sizeof(msgBufferInfo), bufferInfoTabAddr=mmap(NULL,bufferInfoNb*sizeof(msgBufferInfo),
PROT_READ | PROT_WRITE, MAP_SHARED, PROT_READ|PROT_WRITE,MAP_SHARED,bufferInfoTabFd,(off_t)0);
bufferInfoTabFd, (off_t) 0); printf("atta gooo %s\n",bufferInfoTabId);
printf("atta gooo %s\n", bufferInfoTabId);
bufferInfoTabAddr[bufferIndex].ownerPid = getpid(); bufferInfoTabAddr[bufferIndex].ownerPid = getpid();
bufferInfoTabAddr[bufferIndex].addr = addr; bufferInfoTabAddr[bufferIndex].addr = addr;
if (munmap(bufferInfoTabAddr, bufferInfoNb * sizeof(msgBufferInfo)) < 0) { if (munmap(bufferInfoTabAddr,bufferInfoNb*sizeof(msgBufferInfo))< 0)
NZG_ERROR("munmap", bufferInfoTabId); {
return -1; NZG_ERROR("munmap",bufferInfoTabId);
} return -1; }
return 0; return 0;
} }

View file

@ -1,37 +1,42 @@
#include "libnazgul.h" #include "libnazgul.h"
int msgBufferDetachProc(msgPoolData * poolDataTabAddr, int msgBufferDetachProc(
int poolIndex, int bufferIndex, void *addr) msgPoolData * poolDataTabAddr,
{ int poolIndex,
int bufferIndex,
void * addr
){
msgBufferInfoTabId bufferInfoTabId; msgBufferInfoTabId bufferInfoTabId;
int bufferInfoTabFd; int bufferInfoTabFd;
msgBufferInfo *bufferInfoTabAddr; msgBufferInfo * bufferInfoTabAddr;
int bufferInfoNb; int bufferInfoNb;
printf("Detaching %d,%d\n", poolIndex, bufferIndex); printf("Detaching %d,%d\n",poolIndex,bufferIndex);
//récuperer l'ID du BufferInfoTab; //récuperer l'ID du BufferInfoTab;
strcpy(bufferInfoTabId, poolDataTabAddr[poolIndex].bufferInfoTabId); strcpy(bufferInfoTabId, poolDataTabAddr[poolIndex].bufferInfoTabId);
bufferInfoTabFd = shm_open(bufferInfoTabId, O_RDWR, SHM_DEFAULT_MODE); bufferInfoTabFd=shm_open(bufferInfoTabId,O_RDWR,SHM_DEFAULT_MODE);
if (bufferInfoTabFd < 0) { if (bufferInfoTabFd<0){
NZG_ERROR("shm_open", bufferInfoTabId); NZG_ERROR("shm_open",bufferInfoTabId);
return -1; return -1;
} }
/** on regarde dans le tableau d'infos de buffer **/ /** on regarde dans le tableau d'infos de buffer **/
bufferInfoNb = poolDataTabAddr[poolIndex].bufferNb; bufferInfoNb=poolDataTabAddr[poolIndex].bufferNb;
bufferInfoTabAddr = mmap(NULL, bufferInfoNb * sizeof(msgBufferInfo), bufferInfoTabAddr=mmap(NULL,bufferInfoNb*sizeof(msgBufferInfo),
PROT_READ | PROT_WRITE, MAP_SHARED, PROT_READ|PROT_WRITE,MAP_SHARED,bufferInfoTabFd,(off_t)0);
bufferInfoTabFd, (off_t) 0);
bufferInfoTabAddr[bufferIndex].ownerPid = (pid_t) - 1; bufferInfoTabAddr[bufferIndex].ownerPid = (pid_t)-1;
bufferInfoTabAddr[bufferIndex].addr = NULL; bufferInfoTabAddr[bufferIndex].addr = NULL;
if (munmap(bufferInfoTabAddr, bufferInfoNb * sizeof(msgBufferInfo)) < 0) { if (munmap(bufferInfoTabAddr,bufferInfoNb*sizeof(msgBufferInfo))< 0)
NZG_ERROR("munmap", bufferInfoTabId); {
NZG_ERROR("munmap",bufferInfoTabId);
return -1; return -1;
} }
return 0; return 0;
} }

View file

@ -1,43 +1,39 @@
#include "libnazgul.h" #include "libnazgul.h"
int msgBufferGetFreeIndex(msgPoolData * poolDataTabAddr, int poolIndex) int msgBufferGetFreeIndex(msgPoolData * poolDataTabAddr,int poolIndex){
{
msgBufferInfoTabId bufferInfoTabId; msgBufferInfoTabId bufferInfoTabId;
int bufferInfoTabFd; int bufferInfoTabFd;
msgBufferInfo *bufferInfoTabAddr; msgBufferInfo * bufferInfoTabAddr;
int bufferInfoNb; int bufferInfoNb;
int bufferFreeIndex; int bufferFreeIndex;
int i; int i;
//récuperer l'ID du BufferInfoTab; //récuperer l'ID du BufferInfoTab;
strcpy(bufferInfoTabId, poolDataTabAddr[poolIndex].bufferInfoTabId); strcpy(bufferInfoTabId, poolDataTabAddr[poolIndex].bufferInfoTabId);
bufferInfoTabFd = shm_open(bufferInfoTabId, O_RDWR, SHM_DEFAULT_MODE); bufferInfoTabFd=shm_open(bufferInfoTabId,O_RDWR,SHM_DEFAULT_MODE);
if (bufferInfoTabFd < 0) { if (bufferInfoTabFd<0){
NZG_ERROR("shm_open", bufferInfoTabId); NZG_ERROR("shm_open",bufferInfoTabId);
return -1; return -1;
} }
/** on regarde dans le tableau d'infos de buffer **/ /** on regarde dans le tableau d'infos de buffer **/
bufferInfoNb = poolDataTabAddr[poolIndex].bufferNb; bufferInfoNb=poolDataTabAddr[poolIndex].bufferNb;
bufferInfoTabAddr = mmap(NULL, bufferInfoNb * sizeof(msgBufferInfo), bufferInfoTabAddr=mmap(NULL,bufferInfoNb*sizeof(msgBufferInfo),
PROT_READ, MAP_SHARED, bufferInfoTabFd, PROT_READ,MAP_SHARED,bufferInfoTabFd,(off_t)0);
(off_t) 0);
i = 0; i=0;
while ((i < bufferInfoNb) while ((i<bufferInfoNb)
&& (bufferInfoTabAddr[i].ownerPid != (pid_t) - 1)) { && (bufferInfoTabAddr[i].ownerPid != (pid_t)-1)){ i++; }
i++; if (i == bufferInfoNb){ return -1; }
} bufferFreeIndex=i;
if (i == bufferInfoNb) {
return -1;
}
bufferFreeIndex = i;
if (munmap(bufferInfoTabAddr, bufferInfoNb * sizeof(msgBufferInfo)) < 0) { if (munmap(bufferInfoTabAddr,bufferInfoNb*sizeof(msgBufferInfo))< 0)
NZG_ERROR("munmap", bufferInfoTabId); {
NZG_ERROR("munmap",bufferInfoTabId);
return -1; return -1;
} }
return bufferFreeIndex; return bufferFreeIndex;
} }

View file

@ -1,61 +1,51 @@
#include "libnazgul.h" #include "libnazgul.h"
int msgBufferGetProcAttach(msgPoolData * poolDataTabAddr, int msgBufferGetProcAttach(
msgPoolData * poolDataTabAddr,
int poolNb, int poolNb,
int *poolIndex, int *bufferIndex, void *addr) int * poolIndex,
{ int * bufferIndex,
void * addr
){
msgBufferInfoTabId bufferInfoTabId; msgBufferInfoTabId bufferInfoTabId;
int bufferInfoTabFd; int bufferInfoTabFd;
msgBufferInfo *bufferInfoTabAddr; msgBufferInfo * bufferInfoTabAddr;
int bufferInfoNb; int bufferInfoNb;
bool found = false; bool found=false;
int pIdx = 0; int pIdx=0;
int bIdx; int bIdx;
while ((!found) && (pIdx < poolNb)) { while ((!found) && (pIdx < poolNb)){
/* Pour chaque pool */ /* Pour chaque pool */
//récuperer l'ID du BufferInfoTab; //récuperer l'ID du BufferInfoTab;
strcpy(bufferInfoTabId, poolDataTabAddr[pIdx].bufferInfoTabId); strcpy(bufferInfoTabId, poolDataTabAddr[pIdx].bufferInfoTabId);
bufferInfoNb = poolDataTabAddr[pIdx].bufferNb; bufferInfoNb=poolDataTabAddr[pIdx].bufferNb;
bufferInfoTabFd = bufferInfoTabFd=shm_open(bufferInfoTabId,O_RDWR,SHM_DEFAULT_MODE);
shm_open(bufferInfoTabId, O_RDWR, SHM_DEFAULT_MODE); if (bufferInfoTabFd<0)
if (bufferInfoTabFd < 0) { { NZG_ERROR("shm_open",bufferInfoTabId); return -1; }
NZG_ERROR("shm_open", bufferInfoTabId);
return -1;
}
/** on regarde dans le tableau d'infos de buffer **/ /** on regarde dans le tableau d'infos de buffer **/
bufferInfoTabAddr = bufferInfoTabAddr=mmap(NULL,bufferInfoNb*sizeof(msgBufferInfo),
mmap(NULL, bufferInfoNb * sizeof(msgBufferInfo), PROT_READ, PROT_READ,MAP_SHARED,bufferInfoTabFd,(off_t)0);
MAP_SHARED, bufferInfoTabFd, (off_t) 0);
/* on cherche dans chacun des buffers */ /* on cherche dans chacun des buffers */
bIdx = 0; bIdx=0;
while ((!found) && bIdx < bufferInfoNb) { while((!found) && bIdx<bufferInfoNb){
if (bufferInfoTabAddr[bIdx].addr == addr) { if (bufferInfoTabAddr[bIdx].addr == addr){
found = true; found=true;
(*bufferIndex) = bIdx; (*bufferIndex)=bIdx;
}; };
bIdx++; bIdx++;
} }
if (found) { if (found){ (*poolIndex)=pIdx; }
(*poolIndex) = pIdx;
}
/* on détache le morceau de mémoire */ /* on détache le morceau de mémoire */
if (munmap if (munmap(bufferInfoTabAddr,bufferInfoNb*sizeof(msgBufferInfo))< 0)
(bufferInfoTabAddr, { NZG_ERROR("munmap",bufferInfoTabId); return -1; }
bufferInfoNb * sizeof(msgBufferInfo)) < 0) {
NZG_ERROR("munmap", bufferInfoTabId);
return -1;
}
close(bufferInfoTabFd); close(bufferInfoTabFd);
pIdx++; pIdx++;
} }
if (found) { if (found){ return 0; } else {return -1;}
return 0;
} else {
return -1;
}
} }

View file

@ -1,39 +1,37 @@
#include "libnazgul.h" #include "libnazgul.h"
#include "ids.h" #include "ids.h"
int msgBufferInfoTabCreate(msgSpaceId externId, int msgBufferInfoTabCreate(
msgSpaceId externId,
msgPoolData * poolDataTabAddr, msgPoolData * poolDataTabAddr,
int poolIdx, int bufferNb) int poolIdx,
{ int bufferNb) {
int bufferInfoTabFd; int bufferInfoTabFd;
msgBufferInfoTabId bufferInfoTabId; msgBufferInfoTabId bufferInfoTabId;
/* creation des infos sur buffers DEBUT */ /* creation des infos sur buffers DEBUT */
if (msgBufferInfoTabIdIntern(bufferInfoTabId, externId, poolIdx) == -1) { if (msgBufferInfoTabIdIntern(bufferInfoTabId,externId,poolIdx) == -1){
NZG_ERROR("msgPoolId creation", bufferInfoTabId); NZG_ERROR("msgPoolId creation",bufferInfoTabId);
return -1; return -1;
} }
bufferInfoTabFd = bufferInfoTabFd=shm_open(bufferInfoTabId,O_RDWR|O_CREAT|O_EXCL|O_TRUNC,MSGSPACE_DEFAULT_MODE);
shm_open(bufferInfoTabId, O_RDWR | O_CREAT | O_EXCL | O_TRUNC, if (bufferInfoTabFd == -1 ) {
MSGSPACE_DEFAULT_MODE); fprintf( stderr, "msgInfoTab : %s creation failed: %s\n",bufferInfoTabId,
if (bufferInfoTabFd == -1) { strerror( errno ) );
fprintf(stderr, "msgInfoTab : %s creation failed: %s\n",
bufferInfoTabId, strerror(errno));
return -1; return -1;
} }
if (ftruncate(bufferInfoTabFd, bufferNb * sizeof(msgBufferInfo)) == -1) { if (ftruncate(bufferInfoTabFd, bufferNb*sizeof(msgBufferInfo)) == -1){
fprintf(stderr, "msgBufferInfoTab resizing failed: %s\n", fprintf( stderr, "msgBufferInfoTab resizing failed: %s\n",
strerror(errno)); strerror( errno ) );
return -1; return -1;
} }
close(bufferInfoTabFd); close(bufferInfoTabFd);
/* creation des infos sur buffers FIN */ /* creation des infos sur buffers FIN */
msgBufferInfoTabInit(poolDataTabAddr, poolIdx); msgBufferInfoTabInit(poolDataTabAddr,poolIdx);
return -1; return -1;NZG_ERROR("munmap",bufferInfoTabId);
NZG_ERROR("munmap", bufferInfoTabId);
return -1; return -1;
} }

View file

@ -1,38 +1,34 @@
#include "libnazgul.h" #include "libnazgul.h"
int msgBufferInfoTabInit(msgPoolData * poolDataTabAddr, int poolIndex) int msgBufferInfoTabInit(msgPoolData * poolDataTabAddr,int poolIndex){
{
msgBufferInfoTabId bufferInfoTabId; msgBufferInfoTabId bufferInfoTabId;
int bufferInfoTabFd; int bufferInfoTabFd;
msgBufferInfo *bufferInfoTabAddr; msgBufferInfo * bufferInfoTabAddr;
int bufferInfoNb; int bufferInfoNb;
int i; int i;
//récuperer l'ID du BufferInfoTab; //récuperer l'ID du BufferInfoTab;
strcpy(bufferInfoTabId, poolDataTabAddr[poolIndex].bufferInfoTabId); strcpy(bufferInfoTabId, poolDataTabAddr[poolIndex].bufferInfoTabId);
printf("msgBufferInfoTabId %d open >>%s<<\n", poolIndex, printf("msgBufferInfoTabId %d open >>%s<<\n",poolIndex,bufferInfoTabId);
bufferInfoTabId); bufferInfoTabFd=shm_open(bufferInfoTabId,O_RDWR,SHM_DEFAULT_MODE);
bufferInfoTabFd = shm_open(bufferInfoTabId, O_RDWR, SHM_DEFAULT_MODE); if (bufferInfoTabFd<0){
if (bufferInfoTabFd < 0) { NZG_ERROR("msgBufferInfoTabId open",bufferInfoTabId);
NZG_ERROR("msgBufferInfoTabId open", bufferInfoTabId);
return -1; return -1;
} }
/** on regarde dans le tableau d'infos de buffer **/ /** on regarde dans le tableau d'infos de buffer **/
bufferInfoNb = poolDataTabAddr[poolIndex].bufferNb; bufferInfoNb=poolDataTabAddr[poolIndex].bufferNb;
bufferInfoTabAddr = mmap(NULL, bufferInfoNb * sizeof(msgBufferInfo), bufferInfoTabAddr=mmap(NULL,bufferInfoNb*sizeof(msgBufferInfo),
PROT_WRITE | PROT_READ, MAP_SHARED, PROT_WRITE|PROT_READ,MAP_SHARED,bufferInfoTabFd,(off_t)0);
bufferInfoTabFd, (off_t) 0);
for (i = 0; i < bufferInfoNb; i++) { for (i=0;i<bufferInfoNb;i++){
bufferInfoTabAddr[i].ownerPid = (pid_t) - 1; bufferInfoTabAddr[i].ownerPid = (pid_t)-1;
} }
if (munmap(bufferInfoTabAddr, bufferInfoNb * sizeof(msgBufferInfo)) < 0) { if (munmap(bufferInfoTabAddr,bufferInfoNb*sizeof(msgBufferInfo))< 0)
perror("munmap"); { perror("munmap"); return -1; }
return -1;
}
return 0; return 0;
} }

View file

@ -1,50 +1,52 @@
#include "libnazgul.h" #include "libnazgul.h"
void *msgBufferMap(msgPoolData * poolDataTab, int poolIndex, int bufferIndex)
{ void * msgBufferMap(msgPoolData * poolDataTab, int poolIndex, int bufferIndex) {
void *resultAddr; void * resultAddr;
int bufferSize, bufferNb; int bufferSize, bufferNb;
int poolBufferTabFd; int poolBufferTabFd;
msgPoolId poolBufferTabId; msgPoolId poolBufferTabId;
printf("Mapping buffer (%d,%d)\n", poolIndex, bufferIndex); printf("Mapping buffer (%d,%d)\n",poolIndex,bufferIndex);
// TODO: récuperer l'ID du BufferInfoTab; // TODO: récuperer l'ID du BufferInfoTab;
strcpy(poolBufferTabId, poolDataTab[poolIndex].poolId); strcpy(poolBufferTabId, poolDataTab[poolIndex].poolId);
bufferSize = poolDataTab[poolIndex].bufferSize; bufferSize=poolDataTab[poolIndex].bufferSize;
bufferNb = poolDataTab[poolIndex].bufferNb; bufferNb=poolDataTab[poolIndex].bufferNb;
if (bufferNb < 0) {
// do something with bufferNb
}
poolBufferTabFd = shm_open(poolBufferTabId, O_RDWR, SHM_DEFAULT_MODE); poolBufferTabFd=shm_open(poolBufferTabId,O_RDWR,SHM_DEFAULT_MODE);
if (poolBufferTabFd < 0) { if (poolBufferTabFd<0){
NZG_ERROR("shm_open", poolBufferTabId); NZG_ERROR("shm_open",poolBufferTabId);
goto ERROR; goto ERROR;
} }
// mapper le buffer dans l'espace mémoire du processus // mapper le buffer dans l'espace mémoire du processus
/* on s'arrete juste derriere l'index qui nous intéresse */ /* on s'arrete juste derriere l'index qui nous intéresse */
resultAddr = mmap(NULL, bufferSize * (bufferIndex + 1), PROT_READ | PROT_WRITE, //PROT_NONE resultAddr=mmap(NULL,
MAP_SHARED, poolBufferTabFd, (off_t) 0); bufferSize*(bufferIndex+1),
if (resultAddr == MAP_FAILED) { PROT_READ|PROT_WRITE, //PROT_NONE
MAP_SHARED,
poolBufferTabFd,
(off_t)0);
if(resultAddr == MAP_FAILED) {
NZG_ERROR("mmap", poolBufferTabId); NZG_ERROR("mmap", poolBufferTabId);
goto ERROR; goto ERROR;
} }
printf("Mapped from %p to %p\n", printf( "Mapped from 0x%08x to 0x%08x\n",
(void *)resultAddr, (int)resultAddr,
(void *)(resultAddr + bufferSize * (bufferIndex + 1)) (int)resultAddr+ bufferSize*(bufferIndex+1)
); );
resultAddr = resultAddr + (bufferSize * bufferIndex); resultAddr=resultAddr +( bufferSize*bufferIndex);
printf("Moved to %p\n", (void *)resultAddr); printf( "Moved to 0x%08x\n",(int)resultAddr );
/* mprotect( /* mprotect(
resultAddr, resultAddr,
bufferSize, bufferSize,
PROT_READ|PROT_WRITE PROT_READ|PROT_WRITE
); */ );*/
close(poolBufferTabFd); close(poolBufferTabFd);
return resultAddr; return resultAddr;
ERROR: ERROR:
return NULL; return NULL;
} }

View file

@ -1,22 +1,21 @@
#include "libnazgul.h" #include "libnazgul.h"
int msgFree(msgSpace * space, void *addr) int msgFree(msgSpace * space, void * addr){
{
int poolIndex; int poolIndex;
int bufferIndex; int bufferIndex;
msgPoolData *poolDataTabAddr; msgPoolData * poolDataTabAddr;
sem_t *ressourceSemFd; sem_t * ressourceSemFd;
msgPoolDataTabSemId ressourceSemId; msgPoolDataTabSemId ressourceSemId;
int err; int err;
int bufferNb; int bufferNb;
int bufferSize; int bufferSize;
void *realAddr; void * realAddr;
printf("[ FREE %p ]\n", (void *)addr); printf("[ FREE 0x%08x ]\n",(int)addr);
/* on acquiert le droit de modifier les infos sur la ressource */ /* on acquiert le droit de modifier les infos sur la ressource */
/* on protege le tableau des associations */ /* on protege le tableau des associations */
if (msgPoolDataTabLock(space) < 0) { if (msgPoolDataTabLock(space) <0){
NZG_ERROR("msgPoolDataTabLock", space->poolDataTabSemId); NZG_ERROR("msgPoolDataTabLock",space->poolDataTabSemId);
goto ERROR; goto ERROR;
}; };
@ -26,38 +25,42 @@ int msgFree(msgSpace * space, void *addr)
// TODO: verouiller semaphore DataInfo ?? // TODO: verouiller semaphore DataInfo ??
poolIndex = -1; poolIndex=-1; bufferIndex=-1;
bufferIndex = -1; err=msgBufferGetProcAttach(
err = msgBufferGetProcAttach(poolDataTabAddr, poolDataTabAddr,
space->poolNb, space->poolNb,
&poolIndex, &bufferIndex, addr); &poolIndex,
&bufferIndex,
addr
);
printf("Found : %d\n", err); printf("Found : %d\n",err);
printf("Freing pool: %d, buffer: %d\n", poolIndex, bufferIndex); printf("Freing pool: %d, buffer: %d\n",poolIndex,bufferIndex);
msgBufferDetachProc(poolDataTabAddr, poolIndex, bufferIndex, addr); msgBufferDetachProc(poolDataTabAddr,poolIndex,bufferIndex,addr);
/* unmapper le buffer */ /* unmapper le buffer */
realAddr = addr; realAddr=addr;
bufferSize = poolDataTabAddr[poolIndex].bufferSize; bufferSize=poolDataTabAddr[poolIndex].bufferSize;
bufferNb = poolDataTabAddr[poolIndex].bufferNb; bufferNb=poolDataTabAddr[poolIndex].bufferNb;
realAddr = realAddr - poolIndex * bufferSize; realAddr=realAddr-poolIndex*bufferSize;
munmap(realAddr, bufferSize * bufferNb); munmap(realAddr,bufferSize*bufferNb);
msgPoolDataTabClose(space, poolDataTabAddr); msgPoolDataTabClose(space,poolDataTabAddr);
// deverouiller semaphore DataInfo // deverouiller semaphore DataInfo
msgPoolDataTabUnlock(space); msgPoolDataTabUnlock(space);
// deverouiller semaphore ressource. // deverouiller semaphore ressource.
msgPoolSemIdIntern(ressourceSemId, space->externId, poolIndex); msgPoolSemIdIntern(ressourceSemId,space->externId,poolIndex);
ressourceSemFd = sem_open(ressourceSemId, O_CREAT, SEM_DEFAULT_MODE, 0); ressourceSemFd = sem_open(ressourceSemId,O_CREAT,SEM_DEFAULT_MODE,0);
if (ressourceSemFd == SEM_FAILED) { if (ressourceSemFd == SEM_FAILED){
NZG_ERROR("sem_open", ressourceSemId); NZG_ERROR("sem_open",ressourceSemId);
goto ERROR; goto ERROR;
} }
sem_post(ressourceSemFd); sem_post(ressourceSemFd);
sem_close(ressourceSemFd); sem_close(ressourceSemFd);
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -2,60 +2,59 @@
#define NONBLOCK -1 #define NONBLOCK -1
void *msgGet(msgSpace * space, int queueIndex, int option) void * msgGet(msgSpace * space,int queueIndex,int option){
{ void * resultAddr;
void *resultAddr;
msgQueueId queueId; msgQueueId queueId;
msgQueue *queue; msgQueue * queue;
msgQueueElemId oldElemId; msgQueueElemId oldElemId;
msgQueueElem *oldElem; msgQueueElem * oldElem;
msgPoolData *poolDataTab; msgPoolData * poolDataTab;
// on teste la possibilité de lecture sur la liste... // on teste la possibilité de lecture sur la liste...
if (option == NONBLOCK) { if (option == NONBLOCK){
if (msgQueueReadTryLock(space->externId, queueIndex) < 0) { if (msgQueueReadTryLock(space->externId,queueIndex) <0){
NZG_ERROR("msgQueueReadTryLock", space->externId); NZG_ERROR("msgQueueReadTryLock",space->externId);
goto ERROR; goto ERROR;
} }
} else { } else {
if (msgQueueReadLock(space->externId, queueIndex) < 0) { if (msgQueueReadLock(space->externId,queueIndex) <0){
NZG_ERROR("msgQueueReadLock", space->externId); NZG_ERROR("msgQueueReadLock",space->externId);
goto ERROR; goto ERROR;
} }
} }
// la lecture est possible // la lecture est possible
// on essaye donc de modifier la liste // on essaye donc de modifier la liste
msgQueueProtLock(space->externId, queueIndex); msgQueueProtLock(space->externId,queueIndex);
msgQueueIdIntern(queueId, space->externId, queueIndex); msgQueueIdIntern(queueId,space->externId,queueIndex);
// ouvrir la file // ouvrir la file
queue = msgQueueOpen(queueId); queue = msgQueueOpen(queueId);
if (queue == NULL) { if (queue==NULL){
NZG_ERROR("msgQueueOpen", queueId); NZG_ERROR("msgQueueOpen",queueId);
goto ERROR; goto ERROR;
} }
// recupérer l'id de l'ancien element... // recupérer l'id de l'ancien element...
msgQueueRem(queue, oldElemId); msgQueueRem(queue, oldElemId);
oldElem = msgQueueElemOpen(oldElemId); oldElem = msgQueueElemOpen(oldElemId);
if (oldElem == NULL) { if (oldElem == NULL){
NZG_ERROR("msgQueueElemOpen", oldElemId); NZG_ERROR("msgQueueElemOpen",oldElemId);
goto ERROR; goto ERROR;
} }
/* on récupere la taille des buffer dans la pool du buffer */ /* on récupere la taille des buffer dans la pool du buffer */
poolDataTab = msgPoolDataTabOpen(space); poolDataTab=msgPoolDataTabOpen(space);
// mapper le buffer dans l'espace mémoire du processus // mapper le buffer dans l'espace mémoire du processus
resultAddr = resultAddr=msgBufferMap(poolDataTab,oldElem->poolIndex,oldElem->bufferIndex);
msgBufferMap(poolDataTab, oldElem->poolIndex, oldElem->bufferIndex);
// attacher au buffer... // attacher au buffer...
if (msgBufferAttachProc(poolDataTab, if (msgBufferAttachProc(poolDataTab,
oldElem->poolIndex, oldElem->poolIndex,
oldElem->bufferIndex, resultAddr) < 0) { oldElem->bufferIndex,
NZG_ERROR("msgBufferAttachProc", oldElemId); resultAddr) <0){
NZG_ERROR("msgBufferAttachProc",oldElemId);
goto ERROR; goto ERROR;
} }
msgPoolDataTabClose(space, poolDataTab); msgPoolDataTabClose(space,poolDataTab);
if (msgQueueElemClose(oldElem) < 0) { if (msgQueueElemClose(oldElem) <0){
NZG_ERROR("msgQueueElemClose", oldElemId); NZG_ERROR("msgQueueElemClose",oldElemId);
} }
shm_unlink(oldElemId); shm_unlink(oldElemId);
@ -64,9 +63,9 @@ void *msgGet(msgSpace * space, int queueIndex, int option)
msgQueueClose(queue); msgQueueClose(queue);
// on a fini de modifier la liste // on a fini de modifier la liste
msgQueueProtUnlock(space->externId, queueIndex); msgQueueProtUnlock(space->externId,queueIndex);
return resultAddr; return resultAddr;
ERROR: ERROR:
return NULL; return NULL;
} }

View file

@ -25,10 +25,12 @@
#define SEM_FAILED ((sem_t *)0) #define SEM_FAILED ((sem_t *)0)
#endif #endif
#ifndef MAP_FAILED #ifndef MAP_FAILED
#define MAP_FAILED ((void *)-1) #define MAP_FAILED ((void *)-1)
#endif #endif
#ifdef _NZG_REALFILEID #ifdef _NZG_REALFILEID
#define DEFAULT_MSGSPACELISTID "/tmp/nzgSpaceList" #define DEFAULT_MSGSPACELISTID "/tmp/nzgSpaceList"
#else #else

View file

@ -1,48 +0,0 @@
#ifndef _NZG_GLOBAL
#define _NZG_GLOBAL 1
#include <unistd.h> /* POSIX et al */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h> /* pour O_RDWR */
#include <sys/types.h>
#include <sys/mman.h> /* shm_open */
#include <errno.h>
#include <semaphore.h>
#define PAGESIZE sysconf(_SC_PAGESIZE)
#define MSGSPACE_DEFAULT_MODE 0600
#define SEM_DEFAULT_MODE 0600
#define SHM_DEFAULT_MODE 0600
#define MSGSPACE_ID_LEN 32
#define ERR_UNHANDLED "Gérer mieu les erreurs"
#define ANYPOOL -1
#define SPECIFICPOOL 0
#ifndef SEM_FAILED
#define SEM_FAILED ((sem_t *)0)
#endif
#ifndef MAP_FAILED
#define MAP_FAILED ((void *)-1)
#endif
#ifdef _NZG_REALFILEID
#define DEFAULT_MSGSPACELISTID "/tmp/nzgSpaceList"
#else
#define DEFAULT_MSGSPACELISTID "/nzgSpaceList"
#endif
#ifdef _NZG_REALFILEID
#define DEFAULT_MSGSPACELISTSEMID "/tmp/nzgSpaceListSem"
#else
#define DEFAULT_MSGSPACELISTSEMID "/nzgSpaceListSem"
#endif
#define NZG_ERROR(func,str) fprintf(stderr,"*** %s: %s***\n%s in %s:%d\n",func,strerror(errno),str,__FILE__,__LINE__);
#endif

126
src/ids.c
View file

@ -1,150 +1,158 @@
#include "libnazgul.h" #include "libnazgul.h"
#include "ids.h" #include "ids.h"
int msgSpaceIdIntern(msgSpaceId dest, const msgSpaceId src) int msgSpaceIdIntern(msgSpaceId dest,const msgSpaceId src ){
{ if (strlen(src)>MSGSPACE_ID_LEN){
if (strlen(src) > MSGSPACE_ID_LEN) {
return -1; return -1;
} }
/* sprintf(resNzgId,"/tmp/.nzg-%s",(char *)spaceId); */ /* sprintf(resNzgId,"/tmp/.nzg-%s",(char *)spaceId); */
#ifdef _NZG_REALFILEID #ifdef _NZG_REALFILEID
sprintf(dest, "/tmp/nzgSpace%s", (char *)src); sprintf(dest,"/tmp/nzgSpace%s",(char *)src);
#else #else
sprintf(dest, "/nzgSpace%s", (char *)src); sprintf(dest,"/nzgSpace%s",(char *)src);
#endif #endif
return 0; return 0;
} }
int msgPoolDataTabSemIdIntern(
int msgPoolDataTabSemIdIntern(msgPoolSemId destSemId, const msgSpaceId externId) msgPoolSemId destSemId,
{ const msgSpaceId externId){
if (strlen(externId) > MSGSPACE_ID_LEN * 4) { if (strlen(externId)>MSGSPACE_ID_LEN*4){
return -1; return -1;
} }
/* sprintf(resNzgId,"/tmp/.nzg-%s",(char *)spaceId); */ /* sprintf(resNzgId,"/tmp/.nzg-%s",(char *)spaceId); */
#ifdef _NZG_REALFILEID #ifdef _NZG_REALFILEID
sprintf(destSemId, "/tmp/nzgPoolDTSem-%s", (char *)externId); sprintf(destSemId,"/tmp/nzgPoolDTSem-%s",(char *)externId);
#else #else
sprintf(destSemId, "/nzgPoolDTSem-%s", (char *)externId); sprintf(destSemId,"/nzgPoolDTSem-%s",(char *)externId);
#endif #endif
return 0; return 0;
} }
int msgPoolSemIdIntern(
int msgPoolSemIdIntern(msgPoolSemId destSemId, msgPoolSemId destSemId,
const msgSpaceId srcPoolId, int poolIdx) const msgSpaceId srcPoolId,
{ int poolIdx){
if (strlen(srcPoolId) > MSGSPACE_ID_LEN * 4) { if (strlen(srcPoolId)>MSGSPACE_ID_LEN*4){
return -1; return -1;
} }
/* sprintf(resNzgId,"/tmp/.nzg-%s",(char *)spaceId); */ /* sprintf(resNzgId,"/tmp/.nzg-%s",(char *)spaceId); */
#ifdef _NZG_REALFILEID #ifdef _NZG_REALFILEID
sprintf(destSemId, "/tmp/nzgPoolSem-%s-%d", (char *)srcPoolId, poolIdx); sprintf(destSemId,"/tmp/nzgPoolSem-%s-%d",(char *)srcPoolId,poolIdx);
#else #else
sprintf(destSemId, "/nzgPoolSem-%s-%d", (char *)srcPoolId, poolIdx); sprintf(destSemId,"/nzgPoolSem-%s-%d",(char *)srcPoolId,poolIdx);
#endif #endif
return 0; return 0;
} }
int msgPoolDataIdIntern(msgPoolDataTabId dest, const msgSpaceId src) int msgPoolDataIdIntern(msgPoolDataTabId dest,const msgSpaceId src ){
{ if (strlen(src)>MSGSPACE_ID_LEN){
if (strlen(src) > MSGSPACE_ID_LEN) {
return -1; return -1;
} }
/* sprintf(resNzgId,"/tmp/.nzg-%s",(char *)spaceId); */ /* sprintf(resNzgId,"/tmp/.nzg-%s",(char *)spaceId); */
#ifdef _NZG_REALFILEID #ifdef _NZG_REALFILEID
sprintf(dest, "/tmp/nzgPoolData-%s", (char *)src); sprintf(dest,"/tmp/nzgPoolData-%s",(char *)src);
#else #else
sprintf(dest, "/nzgPoolData-%s", (char *)src); sprintf(dest,"/nzgPoolData-%s",(char *)src);
#endif #endif
return 0; return 0;
} }
int msgPoolIdIntern(msgPoolId dest, msgPoolId src, int num)
{ int msgPoolIdIntern(msgPoolId dest,msgPoolId src, int num){
if (strlen(src) > MSGSPACE_ID_LEN) { if (strlen(src)>MSGSPACE_ID_LEN){
return -1; return -1;
} }
#ifdef _NZG_REALFILEID #ifdef _NZG_REALFILEID
sprintf(dest, "/tmp/nzgPool-%s-%d", (char *)src, num); sprintf(dest,"/tmp/nzgPool-%s-%d",(char *)src,num);
#else #else
sprintf(dest, "/nzgPool-%s-%d", (char *)src, num); sprintf(dest,"/nzgPool-%s-%d",(char *)src,num);
#endif #endif
return 0; return 0;
} }
int msgBufferInfoTabIdIntern(msgBufferInfoTabId dest, msgSpaceId src, int num) int msgBufferInfoTabIdIntern(
{ msgBufferInfoTabId dest,
if (strlen(src) > MSGSPACE_ID_LEN) { msgSpaceId src,
int num){
if (strlen(src)>MSGSPACE_ID_LEN){
return -1; return -1;
} }
#ifdef _NZG_REALFILEID #ifdef _NZG_REALFILEID
sprintf(dest, "/tmp/nzgBufferInfo-%s-%d", (char *)src, num); sprintf(dest,"/tmp/nzgBufferInfo-%s-%d",(char *)src,num);
#else #else
sprintf(dest, "/nzgBufferInfo-%s-%d", (char *)src, num); sprintf(dest,"/nzgBufferInfo-%s-%d",(char *)src,num);
#endif #endif
return 0; return 0;
} }
int msgQueueProtSemIdIntern(msgQueueSemId dest, int msgQueueProtSemIdIntern(
msgSpaceId externId, int queueIdx) msgQueueSemId dest,
{ msgSpaceId externId,
if (strlen(externId) > MSGSPACE_ID_LEN) { int queueIdx){
if (strlen(externId)>MSGSPACE_ID_LEN){
return -1; return -1;
} }
#ifdef _NZG_REALFILEID #ifdef _NZG_REALFILEID
sprintf(dest, "/tmp/nzgQueueProtSem-%s-%d", (char *)externId, queueIdx); sprintf(dest,"/tmp/nzgQueueProtSem-%s-%d",(char *)externId,queueIdx);
#else #else
sprintf(dest, "/nzgQueueProtSem-%s-%d", (char *)externId, queueIdx); sprintf(dest,"/nzgQueueProtSem-%s-%d",(char *)externId,queueIdx);
#endif #endif
return 0; return 0;
} }
int msgQueueReadSemIdIntern(msgQueueSemId dest, int msgQueueReadSemIdIntern(
msgSpaceId externId, int queueIdx) msgQueueSemId dest,
{ msgSpaceId externId,
if (strlen(externId) > MSGSPACE_ID_LEN) { int queueIdx){
if (strlen(externId)>MSGSPACE_ID_LEN){
return -1; return -1;
} }
#ifdef _NZG_REALFILEID #ifdef _NZG_REALFILEID
sprintf(dest, "/tmp/nzgQueueReadSem-%s-%d", (char *)externId, queueIdx); sprintf(dest,"/tmp/nzgQueueReadSem-%s-%d",(char *)externId,queueIdx);
#else #else
sprintf(dest, "/nzgQueueReadSem-%s-%d", (char *)externId, queueIdx); sprintf(dest,"/nzgQueueReadSem-%s-%d",(char *)externId,queueIdx);
#endif #endif
return 0; return 0;
} }
int msgQueueIdIntern(msgQueueId dest, msgSpaceId externId, int queueIdx) int msgQueueIdIntern(
{ msgQueueId dest,
if (strlen(externId) > MSGSPACE_ID_LEN) { msgSpaceId externId,
int queueIdx){
if (strlen(externId)>MSGSPACE_ID_LEN){
return -1; return -1;
} }
#ifdef _NZG_REALFILEID #ifdef _NZG_REALFILEID
sprintf(dest, "/tmp/nzgQueue-%s-%d", (char *)externId, queueIdx); sprintf(dest,"/tmp/nzgQueue-%s-%d",(char *)externId,queueIdx);
#else #else
sprintf(dest, "/nzgQueue-%s-%d", (char *)externId, queueIdx); sprintf(dest,"/nzgQueue-%s-%d",(char *)externId,queueIdx);
#endif #endif
return 0; return 0;
} }
int msgQueueElemIdIntern(msgQueueElemId dest, msgQueueId src, int counter) int msgQueueElemIdIntern(
{ msgQueueElemId dest,
if (strlen(src) > MSGSPACE_ID_LEN) { msgQueueId src,
int counter){
if (strlen(src)>MSGSPACE_ID_LEN){
return -1; return -1;
} }
sprintf(dest, "%s-%d", (char *)src, counter); sprintf(dest,"%s-%d",(char *)src,counter);
return 0; return 0;
} }
int msgSpaceListElemIdIntern(msgSpaceListElemId elemListId, msgSpaceId externId) int msgSpaceListElemIdIntern(msgSpaceListElemId elemListId,msgSpaceId externId){
{ if (strlen(externId)>MSGSPACE_ID_LEN){
if (strlen(externId) > MSGSPACE_ID_LEN) {
return -1; return -1;
} }
/* sprintf(resNzgId,"/tmp/.nzg-%s",(char *)spaceId); */ /* sprintf(resNzgId,"/tmp/.nzg-%s",(char *)spaceId); */
#ifdef _NZG_REALFILEID #ifdef _NZG_REALFILEID
sprintf(elemListId, "/tmp/nzgSpaceListElem-%s", (char *)externId); sprintf(elemListId,"/tmp/nzgSpaceListElem-%s",(char *)externId);
#else #else
sprintf(elemListId, "/nzgSpaceListElem-%s", (char *)externId); sprintf(elemListId,"/nzgSpaceListElem-%s",(char *)externId);
#endif #endif
return 0; return 0;
} }

View file

@ -2,13 +2,21 @@
#define _NZG_IDS 1 #define _NZG_IDS 1
#include "libnazgul.h" #include "libnazgul.h"
/* nzg_ids.c */ /* nzg_ids.c */
int msgSpaceIdIntern(msgSpaceId dest, const msgSpaceId src); int msgSpaceIdIntern(msgSpaceId dest, const msgSpaceId src);
int msgPoolSemIdIntern(msgPoolSemId destSemId, const msgSpaceId srcPoolId, int msgPoolSemIdIntern(msgPoolSemId destSemId, const msgSpaceId srcPoolId, int poolIdx);
int poolIdx);
int msgPoolDataIdIntern(msgPoolDataTabId dest, const msgSpaceId src); int msgPoolDataIdIntern(msgPoolDataTabId dest, const msgSpaceId src);
int msgPoolIdIntern(msgPoolId dest, msgPoolId src, int num); int msgPoolIdIntern(msgPoolId dest,msgPoolId src, int num);
int msgQueueSemIdIntern(msgQueueSemId dest, msgSpaceId externId, int queueIdx); int msgQueueSemIdIntern(
int msgQueueIdIntern(msgQueueId dest, msgSpaceId externId, int queueIdx); msgQueueSemId dest,
msgSpaceId externId,
int queueIdx);
int msgQueueIdIntern(
msgQueueId dest,
msgSpaceId externId,
int queueIdx);
#endif #endif

View file

@ -1,22 +0,0 @@
#ifndef _NZG_IDS
#define _NZG_IDS 1
#include "libnazgul.h"
/* nzg_ids.c */
int msgSpaceIdIntern(msgSpaceId dest, const msgSpaceId src);
int msgPoolSemIdIntern(msgPoolSemId destSemId, const msgSpaceId srcPoolId, int poolIdx);
int msgPoolDataIdIntern(msgPoolDataTabId dest, const msgSpaceId src);
int msgPoolIdIntern(msgPoolId dest,msgPoolId src, int num);
int msgQueueSemIdIntern(
msgQueueSemId dest,
msgSpaceId externId,
int queueIdx);
int msgQueueIdIntern(
msgQueueId dest,
msgSpaceId externId,
int queueIdx);
#endif

View file

@ -3,26 +3,26 @@
#include "global.h" #include "global.h"
typedef enum { true = 1, false = 0 } bool; typedef enum { true=1, false=0} bool;
typedef char msgSpaceId[MSGSPACE_ID_LEN]; typedef char msgSpaceId[MSGSPACE_ID_LEN];
typedef char msgSpaceListId[4 * MSGSPACE_ID_LEN]; typedef char msgSpaceListId[4*MSGSPACE_ID_LEN];
typedef char msgSpaceListSemId[4 * MSGSPACE_ID_LEN]; typedef char msgSpaceListSemId[4*MSGSPACE_ID_LEN];
typedef char msgSpaceListElemId[4 * MSGSPACE_ID_LEN]; typedef char msgSpaceListElemId[4*MSGSPACE_ID_LEN];
typedef char msgPoolDataTabId[4 * MSGSPACE_ID_LEN]; typedef char msgPoolDataTabId[4*MSGSPACE_ID_LEN];
typedef char msgPoolDataTabSemId[4 * MSGSPACE_ID_LEN]; typedef char msgPoolDataTabSemId[4*MSGSPACE_ID_LEN];
typedef char msgBufferInfoTabId[4 * MSGSPACE_ID_LEN]; typedef char msgBufferInfoTabId[4*MSGSPACE_ID_LEN];
typedef char msgPoolId[4 * MSGSPACE_ID_LEN]; typedef char msgPoolId[4*MSGSPACE_ID_LEN];
typedef char msgPoolSemId[4 * MSGSPACE_ID_LEN]; typedef char msgPoolSemId[4*MSGSPACE_ID_LEN];
typedef char msgQueueDataId[4 * MSGSPACE_ID_LEN]; typedef char msgQueueDataId[4*MSGSPACE_ID_LEN];
typedef char msgQueueId[4 * MSGSPACE_ID_LEN]; typedef char msgQueueId[4*MSGSPACE_ID_LEN];
typedef char msgQueueElemId[4 * MSGSPACE_ID_LEN]; typedef char msgQueueElemId[4*MSGSPACE_ID_LEN];
typedef char msgQueueSemId[4 * MSGSPACE_ID_LEN]; typedef char msgQueueSemId[4*MSGSPACE_ID_LEN];
/* pid[] */ /* pid[] */
/* liste des processus demandeurs */ /* liste des processus demandeurs */
@ -33,7 +33,7 @@ typedef struct MsgPool {
typedef struct MsgBufferInfo { typedef struct MsgBufferInfo {
pid_t ownerPid; pid_t ownerPid;
void *addr; void * addr;
} msgBufferInfo; } msgBufferInfo;
typedef struct MsgPoolData { typedef struct MsgPoolData {
@ -46,6 +46,7 @@ typedef struct MsgPoolData {
/* TODO: queueId */ /* TODO: queueId */
typedef struct MsgSpace { typedef struct MsgSpace {
msgSpaceId id; msgSpaceId id;
msgSpaceId externId; msgSpaceId externId;
@ -56,6 +57,7 @@ typedef struct MsgSpace {
msgPoolDataTabSemId poolDataTabSemId; msgPoolDataTabSemId poolDataTabSemId;
} msgSpace; } msgSpace;
typedef struct MsgSpaceListElem { typedef struct MsgSpaceListElem {
msgSpaceListElemId id; msgSpaceListElemId id;

View file

@ -1,91 +0,0 @@
#ifndef _NZG_IFACE
#define _NZG_IFACE 1
#include "global.h"
typedef enum { true=1, false=0} bool;
typedef char msgSpaceId[MSGSPACE_ID_LEN];
typedef char msgSpaceListId[4*MSGSPACE_ID_LEN];
typedef char msgSpaceListSemId[4*MSGSPACE_ID_LEN];
typedef char msgSpaceListElemId[4*MSGSPACE_ID_LEN];
typedef char msgPoolDataTabId[4*MSGSPACE_ID_LEN];
typedef char msgPoolDataTabSemId[4*MSGSPACE_ID_LEN];
typedef char msgBufferInfoTabId[4*MSGSPACE_ID_LEN];
typedef char msgPoolId[4*MSGSPACE_ID_LEN];
typedef char msgPoolSemId[4*MSGSPACE_ID_LEN];
typedef char msgQueueDataId[4*MSGSPACE_ID_LEN];
typedef char msgQueueId[4*MSGSPACE_ID_LEN];
typedef char msgQueueElemId[4*MSGSPACE_ID_LEN];
typedef char msgQueueSemId[4*MSGSPACE_ID_LEN];
/* pid[] */
/* liste des processus demandeurs */
typedef struct MsgPool {
int bufferSize;
int bufferNb;
} msgPool;
typedef struct MsgBufferInfo {
pid_t ownerPid;
void * addr;
} msgBufferInfo;
typedef struct MsgPoolData {
msgPoolId poolId;
msgBufferInfoTabId bufferInfoTabId;
int bufferNb;
int bufferSize;
int allocDispBuffer;
} msgPoolData;
/* TODO: queueId */
typedef struct MsgSpace {
msgSpaceId id;
msgSpaceId externId;
int poolNb;
int queueNb;
int pid;
msgPoolDataTabId poolDataTabId;
msgPoolDataTabSemId poolDataTabSemId;
} msgSpace;
typedef struct MsgSpaceListElem {
msgSpaceListElemId id;
msgSpaceId spaceId;
msgSpaceListElemId next;
} msgSpaceListElem;
typedef struct MsgSpaceList {
msgSpaceListId id;
int elemCounter;
msgSpaceListElemId headId;
msgSpaceListElemId tailId;
} msgSpaceList;
typedef struct MsgQueueElem {
msgQueueElemId id;
int poolIndex;
int bufferIndex;
msgQueueElemId next;
} msgQueueElem;
typedef struct MsgQueue {
msgQueueId id;
int elemCounter;
msgQueueElemId headId;
msgQueueElemId tailId;
} msgQueue;
#endif
/* */

View file

@ -1,8 +0,0 @@
#ifndef _LIBNAZGUL
#define _LIBNAZGUL 1
#include "global.h"
#include "iface.h"
#include "proto.h"
#endif

View file

@ -1,51 +1,49 @@
#include "libnazgul.h" #include "libnazgul.h"
#include "ids.h" #include "ids.h"
int msgPoolCreate(msgSpaceId externId, int poolIdx, int buffNb, int buffSize) int msgPoolCreate(
{ msgSpaceId externId,
int poolIdx,
int buffNb,
int buffSize
) {
int poolFd; int poolFd;
sem_t *ressourceSemFd; sem_t * ressourceSemFd;
msgPoolId poolId; msgPoolId poolId;
msgPoolSemId poolRessourceSemId; msgPoolSemId poolRessourceSemId;
/* creation des buffers DEBUT */ /* creation des buffers DEBUT */
if (msgPoolIdIntern(poolId, externId, poolIdx) == -1) { if (msgPoolIdIntern(poolId,externId,poolIdx) == -1){
fprintf(stderr, "msgPoolId creation failed for id %s\n", fprintf( stderr, "msgPoolId creation failed for id %s\n", (char*)poolId );
(char *)poolId);
return -1; return -1;
} }
poolFd = poolFd=shm_open(poolId,O_RDWR|O_CREAT|O_EXCL|O_TRUNC,MSGSPACE_DEFAULT_MODE);
shm_open(poolId, O_RDWR | O_CREAT | O_EXCL | O_TRUNC, if (poolFd == -1 ) {
MSGSPACE_DEFAULT_MODE); fprintf( stderr, "msgPool : %s creation failed: %s\n",poolId,
if (poolFd == -1) { strerror( errno ) );
fprintf(stderr, "msgPool : %s creation failed: %s\n", poolId,
strerror(errno));
return -1; return -1;
} }
if (ftruncate(poolFd, (buffSize * buffNb)) == -1) { if (ftruncate(poolFd, (buffSize*buffNb)) == -1){
fprintf(stderr, "msgPool resizing failed: %s\n", fprintf( stderr, "msgPool resizing failed: %s\n",
strerror(errno)); strerror( errno ) );
return -1; return -1;
} }
/* creation des buffers FIN */ /* creation des buffers FIN */
if (msgPoolSemIdIntern(poolRessourceSemId, externId, poolIdx) == -1) { if (msgPoolSemIdIntern(poolRessourceSemId,externId,poolIdx) == -1){
fprintf(stderr, "msgPoolId creation failed for id %s\n", fprintf( stderr, "msgPoolId creation failed for id %s\n",
(char *)poolRessourceSemId); (char*)poolRessourceSemId );
return -1; return -1;
} }
// on met un semaphore sur le pool // on met un semaphore sur le pool
ressourceSemFd = ressourceSemFd = sem_open(poolRessourceSemId, O_CREAT|O_EXCL,SEM_DEFAULT_MODE, buffNb);
sem_open(poolRessourceSemId, O_CREAT | O_EXCL, SEM_DEFAULT_MODE, if (ressourceSemFd == SEM_FAILED){
buffNb); NZG_ERROR("sem_open : creation de la ressource",poolRessourceSemId);
if (ressourceSemFd == SEM_FAILED) {
NZG_ERROR("sem_open : creation de la ressource",
poolRessourceSemId);
goto ERROR; goto ERROR;
} else { } else {
printf("[ Created %s with %d ressources ]\n", printf("[ Created %s with %d ressources ]\n",poolRessourceSemId,buffNb);
poolRessourceSemId, buffNb);
} }
//TODO: verrifier les erreurs sur l'ouverture de la sem //TODO: verrifier les erreurs sur l'ouverture de la sem
@ -57,6 +55,7 @@ int msgPoolCreate(msgSpaceId externId, int poolIdx, int buffNb, int buffSize)
close(poolFd); close(poolFd);
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -1,14 +1,13 @@
#include "libnazgul.h" #include "libnazgul.h"
int msgPoolDataTabClose(msgSpace * space, void *addr) int msgPoolDataTabClose(msgSpace * space,void * addr){
{
/* unmapper le msgPoolDataTab */ /* unmapper le msgPoolDataTab */
if (munmap(addr, (space->poolNb) * sizeof(msgPoolData)) < 0) { if (munmap(addr,(space->poolNb) * sizeof( msgPoolData )) < 0){
NZG_ERROR("unmap", space->poolDataTabId); NZG_ERROR("unmap",space->poolDataTabId);
goto ERROR; goto ERROR;
} }
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -1,28 +1,29 @@
#include "libnazgul.h" #include "libnazgul.h"
#include "ids.h" #include "ids.h"
void *msgPoolDataTabCreate(msgSpace * space) void * msgPoolDataTabCreate(msgSpace * space){
{
int poolDataFd; // shm file descriptor int poolDataFd; // shm file descriptor
msgPoolData *poolDataTabAddr; msgPoolData * poolDataTabAddr;
poolDataFd = shm_open(space->poolDataTabId, poolDataFd=shm_open(
O_RDWR | O_CREAT | O_EXCL | O_TRUNC, space->poolDataTabId,
MSGSPACE_DEFAULT_MODE); O_RDWR|O_CREAT|O_EXCL|O_TRUNC,
if (poolDataFd == -1) { MSGSPACE_DEFAULT_MODE
NZG_ERROR("shm_open :create", space->poolDataTabId); );
if (poolDataFd == -1 ) {
NZG_ERROR("shm_open :create",space->poolDataTabId);
goto ERROR; goto ERROR;
} }
/* allocation de la bonne zone mémoire pour le poolData */ /* allocation de la bonne zone mémoire pour le poolData */
if (ftruncate(poolDataFd, (space->poolNb) * sizeof(msgPoolData)) == -1) { if (ftruncate(poolDataFd, (space->poolNb)*sizeof(msgPoolData)) == -1){
NZG_ERROR("ftruncate", space->poolDataTabId); NZG_ERROR("ftruncate",space->poolDataTabId);
goto ERROR; goto ERROR;
} }
close(poolDataFd); close(poolDataFd);
poolDataTabAddr = msgPoolDataTabOpen(space); poolDataTabAddr = msgPoolDataTabOpen(space);
if (poolDataTabAddr == NULL) { if (poolDataTabAddr == NULL){
NZG_ERROR("msgPoolDataTabOpen : create", space->poolDataTabId); NZG_ERROR("msgPoolDataTabOpen : create",space->poolDataTabId);
goto ERROR; goto ERROR;
} }
/*mmap( 0, sizeof( *mSAddr ), /*mmap( 0, sizeof( *mSAddr ),
@ -31,9 +32,11 @@ void *msgPoolDataTabCreate(msgSpace * space)
if( poolDataAddr == MAP_FAILED ) { if( poolDataAddr == MAP_FAILED ) {
NZG_ERROR("mmap",poolDataTabId); NZG_ERROR("mmap",poolDataTabId);
goto ERROR; goto ERROR;
} */ }*/
return poolDataTabAddr; return poolDataTabAddr;
ERROR: ERROR:
return NULL; return NULL;
} }

View file

@ -3,35 +3,34 @@
#define DEBUG 0 #define DEBUG 0
int msgPoolDataTabLock(msgSpace * space) int msgPoolDataTabLock(msgSpace * space){
{
int semval; int semval;
sem_t *poolDataTabSemFd; sem_t * poolDataTabSemFd;
semval = 0; semval=0;
if (DEBUG) { if (DEBUG) {printf("Locking %s\n",space->poolDataTabSemId);}
printf("Locking %s\n", space->poolDataTabSemId);
}
poolDataTabSemFd = sem_open(space->poolDataTabSemId, O_CREAT, poolDataTabSemFd=sem_open(
SEM_DEFAULT_MODE, 1); space->poolDataTabSemId
if (poolDataTabSemFd == SEM_FAILED) { ,O_CREAT,
NZG_ERROR("sem_open", space->poolDataTabSemId); SEM_DEFAULT_MODE,
1);
if(poolDataTabSemFd==SEM_FAILED){
NZG_ERROR("sem_open",space->poolDataTabSemId);
goto ERROR; goto ERROR;
} }
if (sem_wait(poolDataTabSemFd) == -1) { if(sem_wait(poolDataTabSemFd)==-1){
NZG_ERROR("sem_wait", space->poolDataTabSemId); NZG_ERROR("sem_wait",space->poolDataTabSemId);
goto ERROR; goto ERROR;
} }
sem_getvalue(poolDataTabSemFd, &semval); sem_getvalue(poolDataTabSemFd,&semval);
if (DEBUG) { if (DEBUG) { printf("(AfternValue:%d)\n",semval);}
printf("(AfternValue:%d)\n", semval);
}
sem_close(poolDataTabSemFd); sem_close(poolDataTabSemFd);
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -1,30 +1,31 @@
#include "libnazgul.h" #include "libnazgul.h"
#include "ids.h" #include "ids.h"
void *msgPoolDataTabOpen(msgSpace * space) void * msgPoolDataTabOpen(msgSpace * space){
{
int poolDataTabFd; int poolDataTabFd;
void *poolDataTabAddr; void * poolDataTabAddr;
poolDataTabFd = shm_open(space->poolDataTabId, poolDataTabFd=shm_open(space->poolDataTabId,
O_RDWR, MSGSPACE_DEFAULT_MODE); O_RDWR,
if (poolDataTabFd == -1) { MSGSPACE_DEFAULT_MODE);
NZG_ERROR("shm_open", space->poolDataTabId); if (poolDataTabFd == -1 ) {
NZG_ERROR("shm_open",space->poolDataTabId);
goto ERROR; goto ERROR;
} }
poolDataTabAddr = mmap(NULL, (space->poolNb) * sizeof(msgPoolData),
PROT_READ | PROT_WRITE,
MAP_SHARED, poolDataTabFd, 0);
if (poolDataTabAddr == MAP_FAILED) { poolDataTabAddr = mmap( NULL, (space->poolNb) * sizeof( msgPoolData ),
NZG_ERROR("mmap", space->poolDataTabId); PROT_READ | PROT_WRITE,
MAP_SHARED, poolDataTabFd, 0 );
if( poolDataTabAddr == MAP_FAILED) {
NZG_ERROR("mmap",space->poolDataTabId);
goto ERROR; goto ERROR;
} }
close(poolDataTabFd); close(poolDataTabFd);
return poolDataTabAddr; return poolDataTabAddr;
ERROR: ERROR:
return NULL; return NULL;
} }

View file

@ -3,34 +3,33 @@
#define DEBUG 0 #define DEBUG 0
int msgPoolDataTabUnlock(msgSpace * space) int msgPoolDataTabUnlock(msgSpace * space){
{
int semval; int semval;
sem_t *poolDataTabSemFd; sem_t * poolDataTabSemFd;
if (DEBUG) { if (DEBUG) { printf("Unlocking %s\n",space->poolDataTabSemId); }
printf("Unlocking %s\n", space->poolDataTabSemId); poolDataTabSemFd=sem_open(
} space->poolDataTabSemId
poolDataTabSemFd = sem_open(space->poolDataTabSemId, O_CREAT, ,O_CREAT,
SEM_DEFAULT_MODE, 1); SEM_DEFAULT_MODE,
if (poolDataTabSemFd == SEM_FAILED) { 1);
NZG_ERROR("sem_open", space->poolDataTabSemId); if(poolDataTabSemFd==SEM_FAILED){
NZG_ERROR("sem_open",space->poolDataTabSemId);
goto ERROR; goto ERROR;
} }
if (sem_post(poolDataTabSemFd) == -1) { if(sem_post(poolDataTabSemFd)==-1){
NZG_ERROR("sem_post", space->poolDataTabSemId); NZG_ERROR("sem_post",space->poolDataTabSemId);
goto ERROR; goto ERROR;
} }
semval = 0; semval=0;
sem_getvalue(poolDataTabSemFd, &semval); sem_getvalue(poolDataTabSemFd,&semval);
if (DEBUG) { if (DEBUG) { printf("(AfternValue:%d)\n",semval); }
printf("(AfternValue:%d)\n", semval);
}
sem_close(poolDataTabSemFd); sem_close(poolDataTabSemFd);
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -1,44 +1,45 @@
#include "libnazgul.h" #include "libnazgul.h"
#include "ids.h" #include "ids.h"
int msgPoolDelete(msgSpaceId spaceId, int poolIdx) int msgPoolDelete(
{ msgSpaceId spaceId,
int poolIdx
) {
msgPoolId poolId; msgPoolId poolId;
msgBufferInfoTabId bufferInfoTabId; msgBufferInfoTabId bufferInfoTabId;
msgPoolSemId poolRessourceSemId; msgPoolSemId poolRessourceSemId;
/* suppression des infos sur buffers DEBUT */ /* suppression des infos sur buffers DEBUT */
if (msgBufferInfoTabIdIntern(bufferInfoTabId, spaceId, poolIdx) == -1) { if (msgBufferInfoTabIdIntern(bufferInfoTabId,spaceId,poolIdx) == -1){
fprintf(stderr, "msgPoolId creation failed for id %s\n", fprintf( stderr, "msgPoolId creation failed for id %s\n", (char*)poolId );
(char *)poolId);
return -1; return -1;
} }
if (shm_unlink(bufferInfoTabId) < 0) { if (shm_unlink(bufferInfoTabId) <0 ) {
fprintf(stderr, "msgInfoTab : %s deletion failed: %s\n", fprintf( stderr, "msgInfoTab : %s deletion failed: %s\n",bufferInfoTabId,
bufferInfoTabId, strerror(errno)); strerror( errno ) );
return -1; return -1;
} }
/* suppression des infos sur buffers FIN */ /* suppression des infos sur buffers FIN */
/* suppression des buffers DEBUT */ /* suppression des buffers DEBUT */
if (msgPoolIdIntern(poolId, spaceId, poolIdx) == -1) { if (msgPoolIdIntern(poolId,spaceId,poolIdx) == -1){
fprintf(stderr, "msgPoolId creation failed for id %s\n", fprintf( stderr, "msgPoolId creation failed for id %s\n", (char*)poolId );
(char *)poolId);
return -1; return -1;
} }
if (shm_unlink(poolId) < 0) { if (shm_unlink(poolId) <0 ) {
fprintf(stderr, "msgPool : %s deletion failed: %s\n", poolId, fprintf( stderr, "msgPool : %s deletion failed: %s\n",poolId,
strerror(errno)); strerror( errno ) );
return -1; return -1;
} }
/* suppression des buffers FIN */ /* suppression des buffers FIN */
/* suppression de la sémaphore */ /* suppression de la sémaphore */
if (msgPoolSemIdIntern(poolRessourceSemId, spaceId, poolIdx) == -1) { if (msgPoolSemIdIntern(poolRessourceSemId,spaceId,poolIdx) == -1){
fprintf(stderr, "msgPoolId creation failed for id %s\n", fprintf( stderr, "msgPoolId creation failed for id %s\n",
(char *)poolRessourceSemId); (char*)poolRessourceSemId );
return -1; return -1;
} }
// on met un semaphore sur le pool // on met un semaphore sur le pool

View file

@ -2,77 +2,66 @@
#define _NZG_PROTO 1 #define _NZG_PROTO 1
/* allocate.c */ /* allocate.c */
void *msgAllocate(msgSpace * space, int pool, int taille, int option); void *msgAllocate(msgSpace *space, int pool, int taille, int option);
/* bufferAttachProc.c */ /* bufferAttachProc.c */
int msgBufferAttachProc(msgPoolData * poolDataTabAddr, int poolIndex, int msgBufferAttachProc(msgPoolData *poolDataTabAddr, int poolIndex, int bufferIndex, void *addr);
int bufferIndex, void *addr);
/* buffer.c */ /* buffer.c */
int msgBufferGetAttachedProcIndex(msgPoolData * poolDataTabAddr, int poolIndex, int msgBufferGetAttachedProcIndex(msgPoolData *poolDataTabAddr, int poolIndex, void *addr);
void *addr);
/* bufferDetachProc.c */ /* bufferDetachProc.c */
int msgBufferDetachProc(msgPoolData * poolDataTabAddr, int poolIndex, int msgBufferDetachProc(msgPoolData *poolDataTabAddr, int poolIndex, int bufferIndex, void *addr);
int bufferIndex, void *addr);
/* bufferGetFreeIndex.c */ /* bufferGetFreeIndex.c */
int msgBufferGetFreeIndex(msgPoolData * poolDataTabAddr, int poolIndex); int msgBufferGetFreeIndex(msgPoolData *poolDataTabAddr, int poolIndex);
/* bufferGetProcAttach.c */ /* bufferGetProcAttach.c */
int msgBufferGetProcAttach(msgPoolData * poolDataTabAddr, int poolNb, int msgBufferGetProcAttach(msgPoolData *poolDataTabAddr, int poolNb, int *poolIndex, int *bufferIndex, void *addr);
int *poolIndex, int *bufferIndex, void *addr);
/* bufferInfoTabCreate.c */ /* bufferInfoTabCreate.c */
int msgBufferInfoTabCreate(msgSpaceId externId, msgPoolData * poolDataTabAddr, int msgBufferInfoTabCreate(msgSpaceId externId, msgPoolData *poolDataTabAddr, int poolIdx, int bufferNb);
int poolIdx, int bufferNb);
/* bufferInfoTabInit.c */ /* bufferInfoTabInit.c */
int msgBufferInfoTabInit(msgPoolData * poolDataTabAddr, int poolIndex); int msgBufferInfoTabInit(msgPoolData *poolDataTabAddr, int poolIndex);
/* bufferMap.c */ /* bufferMap.c */
void *msgBufferMap(msgPoolData * poolDataTab, int poolIndex, int bufferIndex); void *msgBufferMap(msgPoolData *poolDataTab, int poolIndex, int bufferIndex);
/* free.c */ /* free.c */
int msgFree(msgSpace * space, void *addr); int msgFree(msgSpace *space, void *addr);
/* get.c */ /* get.c */
void *msgGet(msgSpace * space, int queueIndex, int option); void *msgGet(msgSpace *space, int queueIndex, int option);
/* ids.c */ /* ids.c */
int msgSpaceIdIntern(msgSpaceId dest, const msgSpaceId src); int msgSpaceIdIntern(msgSpaceId dest, const msgSpaceId src);
int msgPoolDataTabSemIdIntern(msgPoolSemId destSemId, int msgPoolDataTabSemIdIntern(msgPoolSemId destSemId, const msgSpaceId externId);
const msgSpaceId externId); int msgPoolSemIdIntern(msgPoolSemId destSemId, const msgSpaceId srcPoolId, int poolIdx);
int msgPoolSemIdIntern(msgPoolSemId destSemId, const msgSpaceId srcPoolId,
int poolIdx);
int msgPoolDataIdIntern(msgPoolDataTabId dest, const msgSpaceId src); int msgPoolDataIdIntern(msgPoolDataTabId dest, const msgSpaceId src);
int msgPoolIdIntern(msgPoolId dest, msgPoolId src, int num); int msgPoolIdIntern(msgPoolId dest, msgPoolId src, int num);
int msgBufferInfoTabIdIntern(msgBufferInfoTabId dest, msgSpaceId src, int num); int msgBufferInfoTabIdIntern(msgBufferInfoTabId dest, msgSpaceId src, int num);
int msgQueueProtSemIdIntern(msgQueueSemId dest, msgSpaceId externId, int msgQueueProtSemIdIntern(msgQueueSemId dest, msgSpaceId externId, int queueIdx);
int queueIdx); int msgQueueReadSemIdIntern(msgQueueSemId dest, msgSpaceId externId, int queueIdx);
int msgQueueReadSemIdIntern(msgQueueSemId dest, msgSpaceId externId,
int queueIdx);
int msgQueueIdIntern(msgQueueId dest, msgSpaceId externId, int queueIdx); int msgQueueIdIntern(msgQueueId dest, msgSpaceId externId, int queueIdx);
int msgQueueElemIdIntern(msgQueueElemId dest, msgQueueId src, int counter); int msgQueueElemIdIntern(msgQueueElemId dest, msgQueueId src, int counter);
int msgSpaceListElemIdIntern(msgSpaceListElemId elemListId, int msgSpaceListElemIdIntern(msgSpaceListElemId elemListId, msgSpaceId externId);
msgSpaceId externId);
/* list.c */ /* list.c */
/* poolCreate.c */ /* poolCreate.c */
int msgPoolCreate(msgSpaceId externId, int poolIdx, int buffNb, int buffSize); int msgPoolCreate(msgSpaceId externId, int poolIdx, int buffNb, int buffSize);
/* poolDataTabClose.c */ /* poolDataTabClose.c */
int msgPoolDataTabClose(msgSpace * space, void *addr); int msgPoolDataTabClose(msgSpace *space, void *addr);
/* poolDataTabCreate.c */ /* poolDataTabCreate.c */
void *msgPoolDataTabCreate(msgSpace * space); void *msgPoolDataTabCreate(msgSpace *space);
/* poolDataTabLock.c */ /* poolDataTabLock.c */
int msgPoolDataTabLock(msgSpace * space); int msgPoolDataTabLock(msgSpace *space);
/* poolDataTabOpen.c */ /* poolDataTabOpen.c */
void *msgPoolDataTabOpen(msgSpace * space); void *msgPoolDataTabOpen(msgSpace *space);
/* poolDataTabUnlock.c */ /* poolDataTabUnlock.c */
int msgPoolDataTabUnlock(msgSpace * space); int msgPoolDataTabUnlock(msgSpace *space);
/* poolDelete.c */ /* poolDelete.c */
int msgPoolDelete(msgSpaceId spaceId, int poolIdx); int msgPoolDelete(msgSpaceId spaceId, int poolIdx);
/* put.c */ /* put.c */
int msgPut(msgSpace * space, int queueIndex, void *addr); int msgPut(msgSpace *space, int queueIndex, void *addr);
/* queueAdd.c */ /* queueAdd.c */
int msgQueueAdd(msgQueue * queue, msgQueueElemId newElemId); int msgQueueAdd(msgQueue *queue, msgQueueElemId newElemId);
/* queueClose.c */ /* queueClose.c */
int msgQueueClose(msgQueue * queue); int msgQueueClose(msgQueue *queue);
/* queueDelete.c */ /* queueDelete.c */
int msgQueueDelete(msgQueueId externId, int queueIdx); int msgQueueDelete(msgQueueId externId, int queueIdx);
/* queueElemClose.c */ /* queueElemClose.c */
int msgQueueElemClose(msgQueueElem * queueElem); int msgQueueElemClose(msgQueueElem *queueElem);
/* queueElemCreate.c */ /* queueElemCreate.c */
int msgQueueElemCreate(msgQueueElemId finalQueueElemId, msgQueueId queueId, int msgQueueElemCreate(msgQueueElemId finalQueueElemId, msgQueueId queueId, int counter);
int counter);
/* queueElemDelete.c */ /* queueElemDelete.c */
int msgQueueElemDelete(msgQueueElemId queueElemId); int msgQueueElemDelete(msgQueueElemId queueElemId);
/* queueElemOpen.c */ /* queueElemOpen.c */
@ -92,22 +81,21 @@ int msgQueueReadTryLock(msgSpaceId externId, int queueIdx);
/* queueReadUnlock.c */ /* queueReadUnlock.c */
int msgQueueReadUnlock(msgSpaceId externId, int queueIdx); int msgQueueReadUnlock(msgSpaceId externId, int queueIdx);
/* queueRem.c */ /* queueRem.c */
int msgQueueRem(msgQueue * queue, msgQueueElemId oldElemId); int msgQueueRem(msgQueue *queue, msgQueueElemId oldElemId);
/* spaceClose.c */ /* spaceClose.c */
int msgSpaceClose(msgSpace * space); int msgSpaceClose(msgSpace *space);
/* spaceCreate.c */ /* spaceCreate.c */
msgSpace *msgSpaceCreate(msgSpaceId externId, int queueNb, int poolNb, msgSpace *msgSpaceCreate(msgSpaceId externId, int queueNb, int poolNb, msgPool *poolInfos);
msgPool * poolInfos);
/* spaceDelete.c */ /* spaceDelete.c */
int msgSpaceDelete(msgSpaceId externId); int msgSpaceDelete(msgSpaceId externId);
/* spaceListAdd.c */ /* spaceListAdd.c */
int msgSpaceListAdd(msgSpaceListElemId newElemId); int msgSpaceListAdd(msgSpaceListElemId newElemId);
/* spaceListClose.c */ /* spaceListClose.c */
int msgSpaceListClose(msgSpaceList * list); int msgSpaceListClose(msgSpaceList *list);
/* spaceListElemClose.c */ /* spaceListElemClose.c */
int msgSpaceListElemClose(msgSpaceListElem * listElem); int msgSpaceListElemClose(msgSpaceListElem *listElem);
/* spaceListElemCreate.c */ /* spaceListElemCreate.c */
int msgSpaceListElemCreate(msgSpaceListElemId listElemId, msgSpace * space); int msgSpaceListElemCreate(msgSpaceListElemId listElemId, msgSpace *space);
/* spaceListElemLink.c */ /* spaceListElemLink.c */
/* spaceListElemOpen.c */ /* spaceListElemOpen.c */
void *msgSpaceListElemOpen(msgSpaceListElemId listElemId); void *msgSpaceListElemOpen(msgSpaceListElemId listElemId);

View file

@ -1,118 +0,0 @@
#ifndef _NZG_PROTO
#define _NZG_PROTO 1
/* allocate.c */
void *msgAllocate(msgSpace *space, int pool, int taille, int option);
/* bufferAttachProc.c */
int msgBufferAttachProc(msgPoolData *poolDataTabAddr, int poolIndex, int bufferIndex, void *addr);
/* buffer.c */
int msgBufferGetAttachedProcIndex(msgPoolData *poolDataTabAddr, int poolIndex, void *addr);
/* bufferDetachProc.c */
int msgBufferDetachProc(msgPoolData *poolDataTabAddr, int poolIndex, int bufferIndex, void *addr);
/* bufferGetFreeIndex.c */
int msgBufferGetFreeIndex(msgPoolData *poolDataTabAddr, int poolIndex);
/* bufferGetProcAttach.c */
int msgBufferGetProcAttach(msgPoolData *poolDataTabAddr, int poolNb, int *poolIndex, int *bufferIndex, void *addr);
/* bufferInfoTabCreate.c */
int msgBufferInfoTabCreate(msgSpaceId externId, msgPoolData *poolDataTabAddr, int poolIdx, int bufferNb);
/* bufferInfoTabInit.c */
int msgBufferInfoTabInit(msgPoolData *poolDataTabAddr, int poolIndex);
/* bufferMap.c */
void *msgBufferMap(msgPoolData *poolDataTab, int poolIndex, int bufferIndex);
/* free.c */
int msgFree(msgSpace *space, void *addr);
/* get.c */
void *msgGet(msgSpace *space, int queueIndex, int option);
/* ids.c */
int msgSpaceIdIntern(msgSpaceId dest, const msgSpaceId src);
int msgPoolDataTabSemIdIntern(msgPoolSemId destSemId, const msgSpaceId externId);
int msgPoolSemIdIntern(msgPoolSemId destSemId, const msgSpaceId srcPoolId, int poolIdx);
int msgPoolDataIdIntern(msgPoolDataTabId dest, const msgSpaceId src);
int msgPoolIdIntern(msgPoolId dest, msgPoolId src, int num);
int msgBufferInfoTabIdIntern(msgBufferInfoTabId dest, msgSpaceId src, int num);
int msgQueueProtSemIdIntern(msgQueueSemId dest, msgSpaceId externId, int queueIdx);
int msgQueueReadSemIdIntern(msgQueueSemId dest, msgSpaceId externId, int queueIdx);
int msgQueueIdIntern(msgQueueId dest, msgSpaceId externId, int queueIdx);
int msgQueueElemIdIntern(msgQueueElemId dest, msgQueueId src, int counter);
int msgSpaceListElemIdIntern(msgSpaceListElemId elemListId, msgSpaceId externId);
/* list.c */
/* poolCreate.c */
int msgPoolCreate(msgSpaceId externId, int poolIdx, int buffNb, int buffSize);
/* poolDataTabClose.c */
int msgPoolDataTabClose(msgSpace *space, void *addr);
/* poolDataTabCreate.c */
void *msgPoolDataTabCreate(msgSpace *space);
/* poolDataTabLock.c */
int msgPoolDataTabLock(msgSpace *space);
/* poolDataTabOpen.c */
void *msgPoolDataTabOpen(msgSpace *space);
/* poolDataTabUnlock.c */
int msgPoolDataTabUnlock(msgSpace *space);
/* poolDelete.c */
int msgPoolDelete(msgSpaceId spaceId, int poolIdx);
/* put.c */
int msgPut(msgSpace *space, int queueIndex, void *addr);
/* queueAdd.c */
int msgQueueAdd(msgQueue *queue, msgQueueElemId newElemId);
/* queueClose.c */
int msgQueueClose(msgQueue *queue);
/* queueDelete.c */
int msgQueueDelete(msgQueueId externId, int queueIdx);
/* queueElemClose.c */
int msgQueueElemClose(msgQueueElem *queueElem);
/* queueElemCreate.c */
int msgQueueElemCreate(msgQueueElemId finalQueueElemId, msgQueueId queueId, int counter);
/* queueElemDelete.c */
int msgQueueElemDelete(msgQueueElemId queueElemId);
/* queueElemOpen.c */
void *msgQueueElemOpen(msgQueueElemId queueElemId);
/* queueInit.c */
msgQueue *msgQueueInit(msgSpaceId externId, int queueIdx);
/* queueOpen.c */
void *msgQueueOpen(msgQueueId queueId);
/* queueProtLock.c */
int msgQueueProtLock(msgSpaceId externId, int queueIdx);
/* queueProtUnlock.c */
int msgQueueProtUnlock(msgSpaceId externId, int queueIdx);
/* queueReadLock.c */
int msgQueueReadLock(msgSpaceId externId, int queueIdx);
/* queueReadTryLock.c */
int msgQueueReadTryLock(msgSpaceId externId, int queueIdx);
/* queueReadUnlock.c */
int msgQueueReadUnlock(msgSpaceId externId, int queueIdx);
/* queueRem.c */
int msgQueueRem(msgQueue *queue, msgQueueElemId oldElemId);
/* spaceClose.c */
int msgSpaceClose(msgSpace *space);
/* spaceCreate.c */
msgSpace *msgSpaceCreate(msgSpaceId externId, int queueNb, int poolNb, msgPool *poolInfos);
/* spaceDelete.c */
int msgSpaceDelete(msgSpaceId externId);
/* spaceListAdd.c */
int msgSpaceListAdd(msgSpaceListElemId newElemId);
/* spaceListClose.c */
int msgSpaceListClose(msgSpaceList *list);
/* spaceListElemClose.c */
int msgSpaceListElemClose(msgSpaceListElem *listElem);
/* spaceListElemCreate.c */
int msgSpaceListElemCreate(msgSpaceListElemId listElemId, msgSpace *space);
/* spaceListElemLink.c */
/* spaceListElemOpen.c */
void *msgSpaceListElemOpen(msgSpaceListElemId listElemId);
/* spaceListFindId.c */
int msgSpaceListFindId(msgSpaceId externId);
int msgSpaceListElemFindId(msgSpaceListElemId elemId, msgSpaceId spaceId);
/* spaceListInit.c */
int msgSpaceListInit(void);
/* spaceListLocking.c */
int msgSpaceListLock(void);
int msgSpaceListUnlock(void);
/* spaceListOpen.c */
void *msgSpaceListOpen(void);
/* spaceListRem.c */
int msgSpaceListRem(msgSpaceId spaceId);
/* spaceOpen.c */
msgSpace *msgSpaceOpen(msgSpaceId externId);
/* spaceState.c */
#endif

View file

@ -1,66 +1,70 @@
#include "libnazgul.h" #include "libnazgul.h"
int msgPut(msgSpace * space, int queueIndex, void *addr) int msgPut(msgSpace * space,int queueIndex, void * addr){
{
// retrouver le pool, buffer qui correspondent à l'addresse... // retrouver le pool, buffer qui correspondent à l'addresse...
msgPoolData *poolDataTabAddr; msgPoolData * poolDataTabAddr;
int poolIndex; int poolIndex;
int bufferIndex; int bufferIndex;
int err; int err;
msgQueueElemId newElemId; msgQueueElemId newElemId;
msgQueueElem *queueElem; msgQueueElem * queueElem;
msgQueueId queueId; msgQueueId queueId;
msgQueue *queue; msgQueue * queue;
msgPoolDataTabLock(space); msgPoolDataTabLock(space);
poolDataTabAddr = msgPoolDataTabOpen(space); poolDataTabAddr=msgPoolDataTabOpen(space);
if (poolDataTabAddr == NULL) { if (poolDataTabAddr == NULL){
NZG_ERROR("msgPoolDataTabOpen", space->poolDataTabId); NZG_ERROR("msgPoolDataTabOpen",space->poolDataTabId);
goto ERROR; goto ERROR;
} }
err = msgBufferGetProcAttach(poolDataTabAddr, err=msgBufferGetProcAttach(
poolDataTabAddr,
space->poolNb, space->poolNb,
&poolIndex, &bufferIndex, addr); &poolIndex,
if (err) { &bufferIndex,
//FIXME addr
} );
// ouvrir la queue avec le bon index
msgQueueIdIntern(queueId, space->externId, queueIndex);
msgQueueProtLock(space->externId, queueIndex); // ouvrir la queue avec le bon index
msgQueueIdIntern(queueId,space->externId,queueIndex);
msgQueueProtLock(space->externId,queueIndex);
queue = msgQueueOpen(queueId); queue = msgQueueOpen(queueId);
// creer un element vide // creer un element vide
msgQueueElemCreate(newElemId, queueId, queue->elemCounter); msgQueueElemCreate(newElemId,queueId,queue->elemCounter);
// ouvrir l'element // ouvrir l'element
queueElem = msgQueueElemOpen(newElemId); queueElem=msgQueueElemOpen(newElemId);
// modifier les index pour retrouver le buffer // modifier les index pour retrouver le buffer
queueElem->poolIndex = poolIndex; queueElem->poolIndex=poolIndex;
queueElem->bufferIndex = bufferIndex; queueElem->bufferIndex=bufferIndex;
// fermer l'element // fermer l'element
if (msgQueueElemClose(queueElem) < 0) { if (msgQueueElemClose(queueElem) <0 ){
NZG_ERROR("msgQueueElemClose", ""); NZG_ERROR("msgQueueElemClose","");
goto ERROR; goto ERROR;
} }
//ajouter le message a la bonne file... //ajouter le message a la bonne file...
if (msgQueueAdd(queue, newElemId) < 0) { if (msgQueueAdd(queue,newElemId) < 0){
NZG_ERROR("msgQueueAdd", newElemId); NZG_ERROR("msgQueueAdd",newElemId);
goto ERROR; goto ERROR;
} }
// fermer la file // fermer la file
msgQueueClose(queue); msgQueueClose(queue);
msgQueueProtUnlock(space->externId, queueIndex); msgQueueProtUnlock(space->externId,queueIndex);
msgPoolDataTabClose(space, poolDataTabAddr); msgPoolDataTabClose(space,poolDataTabAddr);
msgPoolDataTabUnlock(space); msgPoolDataTabUnlock(space);
// on laisse une nouvelle ressource de la liste au get // on laisse une nouvelle ressource de la liste au get
msgQueueReadUnlock(space->externId, queueIndex); msgQueueReadUnlock(space->externId,queueIndex);
return 0; return 0;
ERROR:
ERROR:
return -1; return -1;
} }

View file

@ -2,48 +2,47 @@
// on ajoute en fin de queue... // on ajoute en fin de queue...
int msgQueueAdd(msgQueue * queue, msgQueueElemId newElemId) int msgQueueAdd(msgQueue * queue, msgQueueElemId newElemId){
{ msgQueueElem * queueOldTailElem;
msgQueueElem *queueOldTailElem; msgQueueElem * queueNewTailElem;
msgQueueElem *queueNewTailElem;
// on informe l'element qu'il est le dernier // on informe l'element qu'il est le dernier
queueNewTailElem = msgQueueElemOpen(newElemId); queueNewTailElem=msgQueueElemOpen(newElemId);
if (queueNewTailElem == NULL) { if (queueNewTailElem == NULL){
NZG_ERROR("msgQueueElemOpen", newElemId); NZG_ERROR("msgQueueElemOpen",newElemId);
goto ERROR; goto ERROR;
} }
strcpy(queueNewTailElem->next, newElemId); strcpy(queueNewTailElem->next,newElemId);
if (msgQueueElemClose(queueNewTailElem) < 0) { if (msgQueueElemClose(queueNewTailElem) <0 ){
NZG_ERROR("msgQueueElemClose", newElemId); NZG_ERROR("msgQueueElemClose",newElemId);
goto ERROR; goto ERROR;
} }
/* TODO: verifier si la liste n'est pas vide... */ /* TODO: verifier si la liste n'est pas vide... */
if ((strcmp(queue->headId, queue->id) == 0) if((strcmp(queue->headId,queue->id)==0)
&& (strcmp(queue->tailId, queue->id) == 0)) { && (strcmp(queue->tailId,queue->id)==0)) {
printf("- premier elem de queue -\n"); printf("- premier elem de queue -\n");
// on donne a la queue l'id de l'element // on donne a la queue l'id de l'element
strcpy(queue->headId, newElemId); strcpy(queue->headId,newElemId);
strcpy(queue->tailId, newElemId); strcpy(queue->tailId,newElemId);
} else { } else {
/* on informe son prédecesseur qu'il a un suivant */ /* on informe son prédecesseur qu'il a un suivant */
queueOldTailElem = msgQueueElemOpen(queue->tailId); queueOldTailElem=msgQueueElemOpen(queue->tailId);
if (queueOldTailElem == NULL) { if (queueOldTailElem == NULL){
NZG_ERROR("msgQueueElemOpen", queue->tailId); NZG_ERROR("msgQueueElemOpen",queue->tailId);
goto ERROR; goto ERROR;
} }
strcpy(queueOldTailElem->next, newElemId); strcpy(queueOldTailElem->next,newElemId);
if (msgQueueElemClose(queueOldTailElem) < 0) { if (msgQueueElemClose(queueOldTailElem) < 0){
NZG_ERROR("msgQueueElemClose", queue->tailId); NZG_ERROR("msgQueueElemClose",queue->tailId);
goto ERROR; goto ERROR;
} }
// on donne a la queue l'id du dernier element // on donne a la queue l'id du dernier element
strcpy(queue->tailId, newElemId); strcpy(queue->tailId,newElemId);
} }
// on incremente elemCounter // on incremente elemCounter
queue->elemCounter++; queue->elemCounter++;
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -1,17 +1,16 @@
#include "libnazgul.h" #include "libnazgul.h"
#include "ids.h" #include "ids.h"
int msgQueueClose(msgQueue * queue) int msgQueueClose(msgQueue * queue){
{
msgQueueId qId; msgQueueId qId;
strcpy(qId, queue->id); strcpy(qId,queue->id);
if (munmap(queue, sizeof(msgQueue)) < 0) { if (munmap(queue,sizeof(msgQueue)) < 0){
NZG_ERROR("unmap", qId); NZG_ERROR("unmap",qId);
goto ERROR; goto ERROR;
} }
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -1,34 +1,35 @@
#include "libnazgul.h" #include "libnazgul.h"
int msgQueueDelete(msgQueueId externId, int queueIdx) int msgQueueDelete(msgQueueId externId,int queueIdx){
{ msgQueue * queue;
msgQueue *queue;
msgQueueId queueId; msgQueueId queueId;
msgQueueSemId queueProtLockSemId; msgQueueSemId queueProtLockSemId;
msgQueueSemId queueReadLockSemId; msgQueueSemId queueReadLockSemId;
msgQueueIdIntern(queueId, externId, queueIdx); msgQueueIdIntern(queueId,externId,queueIdx);
queue = msgQueueOpen(queueId); queue = msgQueueOpen(queueId);
if (strcmp(queue->headId, queue->id) != 0) { if (strcmp(queue->headId,queue->id)!=0){
// liste non-vide // liste non-vide
if (msgQueueElemDelete(queue->headId) < 0) { if (msgQueueElemDelete(queue->headId) <0){
NZG_ERROR("msgQueueElemDelete", queue->headId); NZG_ERROR("msgQueueElemDelete",queue->headId);
goto ERROR; goto ERROR;
} }
} }
msgQueueProtSemIdIntern(queueProtLockSemId, externId, queueIdx); msgQueueProtSemIdIntern(queueProtLockSemId,externId,queueIdx);
msgQueueReadSemIdIntern(queueReadLockSemId, externId, queueIdx); msgQueueReadSemIdIntern(queueReadLockSemId,externId,queueIdx);
sem_unlink(queueProtLockSemId); sem_unlink(queueProtLockSemId);
sem_unlink(queueReadLockSemId); sem_unlink(queueReadLockSemId);
if (shm_unlink(queueId) < 0) { if (shm_unlink(queueId) < 0){
NZG_ERROR("shm_unlink msgQueueElem", queueId); NZG_ERROR("shm_unlink msgQueueElem",queueId);
goto ERROR; goto ERROR;
} }
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -1,16 +1,15 @@
#include "libnazgul.h" #include "libnazgul.h"
int msgQueueElemClose(msgQueueElem * queueElem) int msgQueueElemClose(msgQueueElem * queueElem){
{
msgQueueElemId qId; msgQueueElemId qId;
strcpy(qId, queueElem->id); strcpy(qId,queueElem->id);
if (munmap(queueElem, sizeof(msgQueueElem)) < 0) { if (munmap(queueElem,sizeof(msgQueueElem)) < 0){
NZG_ERROR("unmap", qId); NZG_ERROR("unmap",qId);
goto ERROR; goto ERROR;
} }
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -1,30 +1,31 @@
#include "libnazgul.h" #include "libnazgul.h"
#include "ids.h" #include "ids.h"
int msgQueueElemCreate(msgQueueElemId finalQueueElemId, int msgQueueElemCreate(
msgQueueId queueId, int counter) msgQueueElemId finalQueueElemId ,
{ msgQueueId queueId,
int counter){
msgQueueElemId queueElemId; msgQueueElemId queueElemId;
int queueElemFd; int queueElemFd;
msgQueueElemIdIntern(queueElemId, queueId, counter); msgQueueElemIdIntern(queueElemId,queueId,counter);
strcpy(finalQueueElemId, queueElemId); strcpy(finalQueueElemId,queueElemId);
queueElemFd = shm_open(queueElemId, queueElemFd=shm_open(queueElemId,
O_RDWR | O_CREAT | O_EXCL | O_TRUNC, O_RDWR|O_CREAT|O_EXCL|O_TRUNC,
SHM_DEFAULT_MODE); SHM_DEFAULT_MODE);
if (queueElemFd == -1) { if (queueElemFd == -1 ) {
NZG_ERROR("shm_open : msgQueueElem creation", queueElemId); NZG_ERROR("shm_open : msgQueueElem creation",queueElemId);
goto ERROR; goto ERROR;
} }
if (ftruncate(queueElemFd, sizeof(msgQueueElem)) < 0) { if (ftruncate(queueElemFd, sizeof(msgQueueElem)) < 0){
NZG_ERROR("ftruncate", queueElemId); NZG_ERROR("ftruncate", queueElemId);
goto ERROR; goto ERROR;
} }
close(queueElemFd); close(queueElemFd);
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -1,26 +1,26 @@
#include "libnazgul.h" #include "libnazgul.h"
int msgQueueElemDelete(msgQueueElemId queueElemId) int msgQueueElemDelete(msgQueueElemId queueElemId){
{ msgQueueElem * queueElem;
msgQueueElem *queueElem;
msgQueueElemId nextIdToDie; msgQueueElemId nextIdToDie;
queueElem = msgQueueElemOpen(queueElemId); queueElem = msgQueueElemOpen(queueElemId);
if (queueElem == NULL) { if (queueElem==NULL){
NZG_ERROR("msgQueueElemOpen", queueElemId); NZG_ERROR("msgQueueElemOpen",queueElemId);
goto ERROR; goto ERROR;
} }
strcpy(nextIdToDie, queueElem->next); strcpy(nextIdToDie, queueElem->next);
if (msgQueueElemClose(queueElem) < 0) { if (msgQueueElemClose(queueElem) < 0){
NZG_ERROR("msgQueueElemClose", queueElemId); NZG_ERROR("msgQueueElemClose",queueElemId);
goto ERROR; goto ERROR;
} }
// on détruit l'élément // on détruit l'élément
shm_unlink(queueElemId); shm_unlink(queueElemId);
if (nextIdToDie != queueElemId) { if (nextIdToDie != queueElemId){
return msgQueueElemDelete(nextIdToDie); return msgQueueElemDelete(nextIdToDie);
} else { } else {
printf("msgQueueElemDelete: EOL reached \n"); printf("msgQueueElemDelete: EOL reached \n");
@ -28,6 +28,6 @@ int msgQueueElemDelete(msgQueueElemId queueElemId)
return 0; return 0;
} }
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -1,28 +1,29 @@
#include "libnazgul.h" #include "libnazgul.h"
#include "ids.h" #include "ids.h"
void *msgQueueElemOpen(msgQueueElemId queueElemId) void * msgQueueElemOpen(msgQueueElemId queueElemId){
{
int queueElemFd; int queueElemFd;
void *queueElemAddr; void * queueElemAddr;
queueElemFd = shm_open(queueElemId, O_RDWR, SHM_DEFAULT_MODE); queueElemFd=shm_open(queueElemId,O_RDWR,SHM_DEFAULT_MODE);
if (queueElemFd == -1) { if (queueElemFd == -1 ) {
NZG_ERROR("shm_open : msgQueue open", queueElemId); NZG_ERROR("shm_open : msgQueue open",queueElemId);
goto ERROR; goto ERROR;
} }
queueElemAddr = mmap(NULL, queueElemAddr=mmap(NULL,
sizeof(msgQueueElem), sizeof(msgQueueElem),
PROT_READ | PROT_WRITE, PROT_READ|PROT_WRITE,
MAP_SHARED, queueElemFd, 0); MAP_SHARED,
if (queueElemAddr == MAP_FAILED) { queueElemFd,
NZG_ERROR("mmap", queueElemId); 0);
if( queueElemAddr == MAP_FAILED ) {
NZG_ERROR("mmap",queueElemId);
goto ERROR; goto ERROR;
} }
close(queueElemFd); close(queueElemFd);
return queueElemAddr; return queueElemAddr;
ERROR: ERROR:
return NULL; return NULL;
} }

View file

@ -1,32 +1,33 @@
#include "libnazgul.h" #include "libnazgul.h"
#include "ids.h" #include "ids.h"
msgQueue *msgQueueInit(msgSpaceId externId, int queueIdx) msgQueue * msgQueueInit(msgSpaceId externId, int queueIdx) {
{
int queueFd; int queueFd;
msgQueue *queue; msgQueue * queue;
sem_t *semProtectFd; sem_t * semProtectFd;
msgQueueSemId queueSemProtectId; msgQueueSemId queueSemProtectId;
sem_t *semReadableFd; sem_t * semReadableFd;
msgQueueSemId queueSemReadableId; msgQueueSemId queueSemReadableId;
msgQueueId queueId; msgQueueId queueId;
queue = NULL; queue = NULL;
msgQueueProtSemIdIntern(queueSemProtectId, externId, queueIdx);
msgQueueReadSemIdIntern(queueSemReadableId, externId, queueIdx); msgQueueProtSemIdIntern(queueSemProtectId,externId,queueIdx);
msgQueueReadSemIdIntern(queueSemReadableId,externId,queueIdx);
// creation du semaphore de lecture // creation du semaphore de lecture
semReadableFd = sem_open(queueSemReadableId, semReadableFd = sem_open(queueSemReadableId,
O_CREAT | O_EXCL, SEM_DEFAULT_MODE, 0); O_CREAT|O_EXCL, SEM_DEFAULT_MODE, 0);
if (semReadableFd == SEM_FAILED) { if(semReadableFd == SEM_FAILED) {
NZG_ERROR("sem_open", queueSemReadableId); NZG_ERROR("sem_open", queueSemReadableId);
goto ERROR; goto ERROR;
} }
// creation du semaphore de protection // creation du semaphore de protection
semProtectFd = sem_open(queueSemProtectId, semProtectFd = sem_open(queueSemProtectId,
O_CREAT | O_EXCL, SEM_DEFAULT_MODE, 0); O_CREAT|O_EXCL, SEM_DEFAULT_MODE, 0);
if (semProtectFd == SEM_FAILED) { if(semProtectFd == SEM_FAILED) {
NZG_ERROR("sem_open", queueSemProtectId); NZG_ERROR("sem_open", queueSemProtectId);
goto ERROR; goto ERROR;
} }
@ -36,36 +37,35 @@ msgQueue *msgQueueInit(msgSpaceId externId, int queueIdx)
goto ERROR; goto ERROR;
} */ } */
if (msgQueueIdIntern(queueId, externId, queueIdx) < 0) { if(msgQueueIdIntern(queueId, externId, queueIdx) < 0) {
return NULL; return NULL;
} }
queueFd = queueFd = shm_open(queueId, O_RDWR|O_CREAT|O_EXCL|O_TRUNC, MSGSPACE_DEFAULT_MODE);
shm_open(queueId, O_RDWR | O_CREAT | O_EXCL | O_TRUNC, if(queueFd == -1) {
MSGSPACE_DEFAULT_MODE); NZG_ERROR("shm_open : queueInit",queueId);
if (queueFd == -1) {
NZG_ERROR("shm_open : queueInit", queueId);
return NULL; return NULL;
} }
if (ftruncate(queueFd, sizeof(msgQueue)) == -1) { if(ftruncate(queueFd, sizeof(msgQueue)) == -1) {
fprintf(stderr, "Queue resizing failed: %s\n", strerror(errno)); fprintf( stderr, "Queue resizing failed: %s\n",
strerror( errno ) );
return NULL; return NULL;
} }
queue = msgQueueOpen(queueId); queue=msgQueueOpen(queueId);
/* on remplit la structure msgQueue */ /* on remplit la structure msgQueue */
queue->elemCounter = 0; queue->elemCounter = 0;
strcpy(queue->id, queueId); strcpy(queue->id,queueId);
strcpy(queue->headId, queue->id); strcpy(queue->headId,queue->id);
strcpy(queue->tailId, queue->id); strcpy(queue->tailId,queue->id);
/* on ferme tout ce qu'il faut */ /* on ferme tout ce qu'il faut */
close(queueFd); close(queueFd);
msgQueueProtUnlock(externId, queueIdx); msgQueueProtUnlock(externId,queueIdx);
return queue; return queue;
ERROR: ERROR:
return NULL; return NULL;
} }

View file

@ -1,27 +1,29 @@
#include "libnazgul.h" #include "libnazgul.h"
#include "ids.h" #include "ids.h"
void *msgQueueOpen(msgQueueId queueId) void * msgQueueOpen(msgQueueId queueId){
{
int queueFd; int queueFd;
void *queueAddr; void * queueAddr;
queueFd = shm_open(queueId, O_RDWR, SHM_DEFAULT_MODE); queueFd=shm_open(queueId,O_RDWR,SHM_DEFAULT_MODE);
if (queueFd == -1) { if (queueFd == -1 ) {
NZG_ERROR("shm_open : msgQueue open", queueId); NZG_ERROR("shm_open : msgQueue open",queueId);
goto ERROR; goto ERROR;
} }
queueAddr = mmap(NULL, queueAddr=mmap(NULL,
sizeof(msgQueue), sizeof(msgQueue),
PROT_READ | PROT_WRITE, MAP_SHARED, queueFd, 0); PROT_READ|PROT_WRITE,
if (queueAddr == MAP_FAILED) { MAP_SHARED,
NZG_ERROR("mmap", queueId); queueFd,
0);
if( queueAddr == MAP_FAILED ) {
NZG_ERROR("mmap",queueId);
goto ERROR; goto ERROR;
} }
close(queueFd); close(queueFd);
return queueAddr; return queueAddr;
ERROR: ERROR:
return NULL; return NULL;
} }

View file

@ -2,36 +2,32 @@
#include "ids.h" #include "ids.h"
#define DEBUG 0 #define DEBUG 0
int msgQueueProtLock(msgSpaceId externId, int queueIdx) int msgQueueProtLock(msgSpaceId externId,int queueIdx){
{
int semval; int semval;
sem_t *queueSemFd; sem_t * queueSemFd;
msgQueueSemId queueSemId; msgQueueSemId queueSemId;
msgQueueProtSemIdIntern(queueSemId, externId, queueIdx); msgQueueProtSemIdIntern(queueSemId,externId,queueIdx);
if (DEBUG) { if (DEBUG) { printf("Locking %s\n",queueSemId);}
printf("Locking %s\n", queueSemId); queueSemFd=sem_open(queueSemId,O_CREAT,SEM_DEFAULT_MODE,1);
} if(queueSemFd==SEM_FAILED){
queueSemFd = sem_open(queueSemId, O_CREAT, SEM_DEFAULT_MODE, 1); NZG_ERROR("sem_open",queueSemId);
if (queueSemFd == SEM_FAILED) {
NZG_ERROR("sem_open", queueSemId);
goto ERROR; goto ERROR;
} }
if (sem_wait(queueSemFd) == -1) { if(sem_wait(queueSemFd)==-1){
NZG_ERROR("sem_wait", queueSemId); NZG_ERROR("sem_wait",queueSemId);
goto ERROR; goto ERROR;
} }
semval = 0; semval=0;
sem_getvalue(queueSemFd, &semval); sem_getvalue(queueSemFd,&semval);
if (DEBUG) { if (DEBUG) { printf("(AfterValue:%d)\n",semval); }
printf("(AfterValue:%d)\n", semval);
}
sem_close(queueSemFd); sem_close(queueSemFd);
sem_close(queueSemFd); sem_close(queueSemFd);
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -3,36 +3,32 @@
#define DEBUG 0 #define DEBUG 0
int msgQueueProtUnlock(msgSpaceId externId, int queueIdx) int msgQueueProtUnlock(msgSpaceId externId,int queueIdx){
{
int semval; int semval;
sem_t *queueSemFd; sem_t * queueSemFd;
msgQueueSemId queueSemId; msgQueueSemId queueSemId;
msgQueueProtSemIdIntern(queueSemId, externId, queueIdx); msgQueueProtSemIdIntern(queueSemId,externId,queueIdx);
if (DEBUG) { if (DEBUG) { printf("Unlocking %s\n",queueSemId); }
printf("Unlocking %s\n", queueSemId);
}
queueSemFd = sem_open(queueSemId, O_CREAT, SEM_DEFAULT_MODE, 1); queueSemFd=sem_open(queueSemId,O_CREAT,SEM_DEFAULT_MODE,1);
if (queueSemFd == SEM_FAILED) { if(queueSemFd==SEM_FAILED){
NZG_ERROR("sem_open", queueSemId); NZG_ERROR("sem_open",queueSemId);
goto ERROR; goto ERROR;
} }
if (sem_post(queueSemFd) == -1) { if(sem_post(queueSemFd)==-1){
NZG_ERROR("sem_post", queueSemId); NZG_ERROR("sem_post",queueSemId);
goto ERROR; goto ERROR;
} }
semval = 0; semval=0;
sem_getvalue(queueSemFd, &semval); sem_getvalue(queueSemFd,&semval);
if (DEBUG) { if (DEBUG) { printf("(AfterValue:%d)\n",semval); }
printf("(AfterValue:%d)\n", semval);
}
sem_close(queueSemFd); sem_close(queueSemFd);
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -3,35 +3,31 @@
#define DEBUG 0 #define DEBUG 0
int msgQueueReadLock(msgSpaceId externId, int queueIdx) int msgQueueReadLock(msgSpaceId externId,int queueIdx){
{
int semval; int semval;
sem_t *queueSemFd; sem_t * queueSemFd;
msgQueueSemId queueSemId; msgQueueSemId queueSemId;
msgQueueReadSemIdIntern(queueSemId, externId, queueIdx); msgQueueReadSemIdIntern(queueSemId,externId,queueIdx);
if (DEBUG) { if (DEBUG) { printf("Locking %s\n",queueSemId); }
printf("Locking %s\n", queueSemId); queueSemFd=sem_open(queueSemId,O_CREAT,SEM_DEFAULT_MODE,1);
} if(queueSemFd==SEM_FAILED){
queueSemFd = sem_open(queueSemId, O_CREAT, SEM_DEFAULT_MODE, 1); NZG_ERROR("sem_open",queueSemId);
if (queueSemFd == SEM_FAILED) {
NZG_ERROR("sem_open", queueSemId);
goto ERROR; goto ERROR;
} }
if (sem_wait(queueSemFd) == -1) { if(sem_wait(queueSemFd)==-1){
NZG_ERROR("sem_wait", queueSemId); NZG_ERROR("sem_wait",queueSemId);
goto ERROR; goto ERROR;
} }
semval = 0; semval=0;
sem_getvalue(queueSemFd, &semval); sem_getvalue(queueSemFd,&semval);
if (DEBUG) { if (DEBUG) { printf("(AfterValue:%d)\n",semval); }
printf("(AfterValue:%d)\n", semval);
}
sem_close(queueSemFd); sem_close(queueSemFd);
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -3,35 +3,31 @@
#define DEBUG 0 #define DEBUG 0
int msgQueueReadTryLock(msgSpaceId externId, int queueIdx) int msgQueueReadTryLock(msgSpaceId externId,int queueIdx){
{
int semval; int semval;
sem_t *queueSemFd; sem_t * queueSemFd;
msgQueueSemId queueSemId; msgQueueSemId queueSemId;
msgQueueReadSemIdIntern(queueSemId, externId, queueIdx); msgQueueReadSemIdIntern(queueSemId,externId,queueIdx);
queueSemFd = sem_open(queueSemId, O_CREAT, SEM_DEFAULT_MODE, 1); queueSemFd=sem_open(queueSemId,O_CREAT,SEM_DEFAULT_MODE,1);
if (queueSemFd == SEM_FAILED) { if(queueSemFd==SEM_FAILED){
NZG_ERROR("sem_open", queueSemId); NZG_ERROR("sem_open",queueSemId);
goto ERROR; goto ERROR;
} }
if (sem_trywait(queueSemFd) == -1) { if(sem_trywait(queueSemFd)==-1){
NZG_ERROR("sem_wait", queueSemId); NZG_ERROR("sem_wait",queueSemId);
goto ERROR; goto ERROR;
} }
if (DEBUG) { if (DEBUG) { printf("Locking %s\n",queueSemId); }
printf("Locking %s\n", queueSemId); semval=0;
} sem_getvalue(queueSemFd,&semval);
semval = 0; if (DEBUG) { printf("(AfterValue:%d)\n",semval); }
sem_getvalue(queueSemFd, &semval);
if (DEBUG) {
printf("(AfterValue:%d)\n", semval);
}
sem_close(queueSemFd); sem_close(queueSemFd);
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -3,35 +3,32 @@
#define DEBUG 0 #define DEBUG 0
int msgQueueReadUnlock(msgSpaceId externId, int queueIdx) int msgQueueReadUnlock(msgSpaceId externId,int queueIdx){
{
int semval; int semval;
sem_t *queueSemFd; sem_t * queueSemFd;
msgQueueSemId queueSemId; msgQueueSemId queueSemId;
msgQueueReadSemIdIntern(queueSemId, externId, queueIdx); msgQueueReadSemIdIntern(queueSemId,externId,queueIdx);
if (DEBUG) { if (DEBUG) { printf("Unlocking %s\n",queueSemId); }
printf("Unlocking %s\n", queueSemId); queueSemFd=sem_open(queueSemId,O_CREAT,SEM_DEFAULT_MODE,1);
} if(queueSemFd==SEM_FAILED){
queueSemFd = sem_open(queueSemId, O_CREAT, SEM_DEFAULT_MODE, 1); NZG_ERROR("sem_open",queueSemId);
if (queueSemFd == SEM_FAILED) {
NZG_ERROR("sem_open", queueSemId);
goto ERROR; goto ERROR;
} }
if (sem_post(queueSemFd) == -1) { if(sem_post(queueSemFd)==-1){
NZG_ERROR("sem_post", queueSemId); NZG_ERROR("sem_post",queueSemId);
goto ERROR; goto ERROR;
} }
semval = 0; semval=0;
sem_getvalue(queueSemFd, &semval); sem_getvalue(queueSemFd,&semval);
if (DEBUG) { if (DEBUG) { printf("(AfterValue:%d)\n",semval); }
printf("(AfterValue:%d)\n", semval);
}
sem_close(queueSemFd); sem_close(queueSemFd);
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -2,36 +2,37 @@
// l'id de l'element enlevé vas dans oldElemId // l'id de l'element enlevé vas dans oldElemId
int msgQueueRem(msgQueue * queue, msgQueueElemId oldElemId) int msgQueueRem(msgQueue * queue, msgQueueElemId oldElemId){
{ msgQueueElem * queueOldHeadElem;
msgQueueElem *queueOldHeadElem;
if (strcmp(queue->headId, queue->id) == 0) {
NZG_ERROR("msgQueueElemRem : Empty queue", queue->id); if (strcmp(queue->headId,queue->id)==0){
NZG_ERROR("msgQueueElemRem : Empty queue",queue->id);
goto ERROR; goto ERROR;
} }
strcpy(oldElemId, queue->headId); strcpy(oldElemId,queue->headId);
queueOldHeadElem = msgQueueElemOpen(oldElemId); queueOldHeadElem=msgQueueElemOpen(oldElemId);
if (queueOldHeadElem == NULL) { if (queueOldHeadElem == NULL){
NZG_ERROR("msgQueueElemOpen", oldElemId); NZG_ERROR("msgQueueElemOpen",oldElemId);
goto ERROR; goto ERROR;
} }
// on indique à la queue le nouveau premier element // on indique à la queue le nouveau premier element
strcpy(queue->headId, queueOldHeadElem->next); strcpy(queue->headId,queueOldHeadElem->next);
if (strcmp(queueOldHeadElem->next, oldElemId) == 0) { if (strcmp(queueOldHeadElem->next,oldElemId)==0){
strcpy(queue->headId, queue->id); strcpy(queue->headId,queue->id);
} }
// on fait en sorte que l'element ne connaisse plus // on fait en sorte que l'element ne connaisse plus
// ses voisins (utile pour le Delete) // ses voisins (utile pour le Delete)
strcpy(queueOldHeadElem->next, queueOldHeadElem->id); strcpy(queueOldHeadElem->next,queueOldHeadElem->id);
if (msgQueueElemClose(queueOldHeadElem) < 0) { if (msgQueueElemClose(queueOldHeadElem)<0 ){
NZG_ERROR("msgQueueElemClose", oldElemId); NZG_ERROR("msgQueueElemClose",oldElemId);
goto ERROR; goto ERROR;
} }
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -1,16 +1,15 @@
#include "libnazgul.h" #include "libnazgul.h"
int msgSpaceClose(msgSpace * space) int msgSpaceClose(msgSpace * space){
{
msgSpaceId spaceId; msgSpaceId spaceId;
strcpy(spaceId, space->id); strcpy(spaceId,space->id);
if (munmap(space, sizeof(msgSpace)) < 0) { if (munmap(space,sizeof(msgSpace)) < 0){
NZG_ERROR("unmap", spaceId); NZG_ERROR("unmap",spaceId);
goto ERROR; goto ERROR;
} }
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -2,10 +2,10 @@
#include "ids.h" #include "ids.h"
/* prototypes des fonctions annexes à ne pas exporter */ /* prototypes des fonctions annexes à ne pas exporter */
int msgSpaceIdIntern(msgSpaceId dest, const msgSpaceId src); int msgSpaceIdIntern(msgSpaceId dest,const msgSpaceId src );
int msgPoolDataIdIntern(msgSpaceId dest, const msgSpaceId src); int msgPoolDataIdIntern(msgSpaceId dest,const msgSpaceId src );
int msgPoolDataTabSemIdIntern(msgPoolSemId destSemId, int msgPoolDataTabSemIdIntern(
const msgSpaceId externId); msgPoolSemId destSemId,const msgSpaceId externId);
/* /*
* spaceId : identifiant externe de l'espace de msg * spaceId : identifiant externe de l'espace de msg
* queueNb : nombre de files de messages * queueNb : nombre de files de messages
@ -13,105 +13,109 @@ int msgPoolDataTabSemIdIntern(msgPoolSemId destSemId,
* queueNbCar : tableau de caracteristiques des different pool * queueNbCar : tableau de caracteristiques des different pool
*/ */
msgSpace *msgSpaceCreate(msgSpaceId externId, msgSpace * msgSpaceCreate(
int queueNb, int poolNb, msgPool * poolInfos) msgSpaceId externId,
{ int queueNb,
int poolNb,
msgPool * poolInfos ){
msgSpaceId nzgId; msgSpaceId nzgId;
/* msgSpaceList mSList; */ /* msgSpaceList mSList; */
int mSFd; // shm file descriptor int mSFd; // shm file descriptor
int i; int i;
int err; int err;
static int mSIdNum = -1; static int mSIdNum=-1;
msgSpace *space; msgSpace * space;
msgSpaceListElemId listElemId; msgSpaceListElemId listElemId;
msgPoolDataTabId poolDataTabId; msgPoolDataTabId poolDataTabId;
msgPoolData *poolDataTabAddr; msgPoolData * poolDataTabAddr;
msgBufferInfoTabId bufferInfoTabId; msgBufferInfoTabId bufferInfoTabId;
msgPoolId poolId; msgPoolId poolId;
sem_t *mSDataTabSemFd; sem_t * mSDataTabSemFd;
mSIdNum++; mSIdNum++;
space = NULL; space=NULL;
/** recuperation de la liste des msgSpace **/ /** recuperation de la liste des msgSpace **/
/* (creation si elle n'existe pas */ /* (creation si elle n'existe pas */
/** on créee le nouvel element **/ /** on créee le nouvel element **/
printf("PAGESIZE : %d\n", (int)PAGESIZE); printf("PAGESIZE : %d\n",(int)PAGESIZE);
if (msgSpaceIdIntern(nzgId, externId) < 0) { if (msgSpaceIdIntern(nzgId,externId) < 0){
return NULL; return NULL;
} }
if (msgSpaceListInit() < 0) { if (msgSpaceListInit() <0){
NZG_ERROR("msgSpaceListInit", nzgId); NZG_ERROR("msgSpaceListInit",nzgId);
goto ERROR; goto ERROR;
}; };
if (msgSpaceListLock() < 0) { if (msgSpaceListLock() <0){
NZG_ERROR("msgSpaceListLock", ""); NZG_ERROR("msgSpaceListLock","");
goto ERROR; goto ERROR;
} }
if ((err = msgSpaceListFindId(externId)) < 1) { if ((err=msgSpaceListFindId(externId)) < 1){
if (err == 0) { if (err==0){
// soit le msgSpace existe deja // soit le msgSpace existe deja
NZG_ERROR("spaceListFindId : existing ", nzgId); NZG_ERROR("spaceListFindId : existing ",nzgId);
} else { } else {
// zut, il y a soit une erreur // zut, il y a soit une erreur
NZG_ERROR("spaceListFindId : error ", nzgId); NZG_ERROR("spaceListFindId : error ",nzgId);
} }
msgSpaceListUnlock(); msgSpaceListUnlock();
// on quitte // on quitte
goto ERROR; goto ERROR;
} }
printf("spaceListFind ok\n"); printf("spaceListFind ok\n");
if (msgSpaceListUnlock() < 0) { if (msgSpaceListUnlock() < 0){
NZG_ERROR("msgSpaceListUnlock", ""); NZG_ERROR("msgSpaceListUnlock","");
goto ERROR; goto ERROR;
} }
printf("spaceListUnlock ok\n"); printf("spaceListUnlock ok\n");
fprintf(stderr, "Creating msgSpace with id : %s\n", nzgId); fprintf(stderr,"Creating msgSpace with id : %s\n",nzgId);
mSFd = shm_open(nzgId, mSFd=shm_open(
O_RDWR | O_CREAT | O_EXCL | O_TRUNC, nzgId,
MSGSPACE_DEFAULT_MODE); O_RDWR|O_CREAT|O_EXCL|O_TRUNC,
if (mSFd == -1) { MSGSPACE_DEFAULT_MODE
NZG_ERROR("shm_open : msgSpace creation", nzgId); );
if (mSFd == -1 ) {
NZG_ERROR("shm_open : msgSpace creation",nzgId);
goto ERROR; goto ERROR;
} }
/* on redimentionne l'element */ /* on redimentionne l'element */
if (ftruncate(mSFd, sizeof(*space)) == -1) { if (ftruncate(mSFd, sizeof(* space)) == -1){
NZG_ERROR("ftruncate", nzgId); NZG_ERROR("ftruncate",nzgId);
goto ERROR; goto ERROR;
} }
/* Map the memory object */ /* Map the memory object */
space = mmap(0, sizeof(*space), space = mmap( 0, sizeof( *space ),
PROT_READ | PROT_WRITE, MAP_SHARED, mSFd, 0); PROT_READ | PROT_WRITE,
if (space == MAP_FAILED) { MAP_SHARED, mSFd, 0 );
NZG_ERROR("mmap", nzgId); if( space == MAP_FAILED ) {
NZG_ERROR("mmap",nzgId);
goto ERROR; goto ERROR;
} }
printf("CREAT: msgSpace mapped to 0x%08lx in %d\n", (long)space, printf( "CREAT: msgSpace mapped to 0x%08x in %d\n", (int)space,(int)getpid());
(int)getpid());
/* on ferme le descripteur du fichier */ /* on ferme le descripteur du fichier */
close(mSFd); close(mSFd);
/* on remplit la structure */ /* on remplit la structure */
strcpy(space->id, nzgId); strcpy(space->id,nzgId);
space->poolNb = poolNb; space->poolNb=poolNb;
space->queueNb = queueNb; space->queueNb=queueNb;
space->pid = getpid(); space->pid=getpid();
msgPoolDataTabSemIdIntern(space->poolDataTabSemId, externId); msgPoolDataTabSemIdIntern(space->poolDataTabSemId,externId);
/* creation du poolData */ /* creation du poolData */
msgPoolDataIdIntern(poolDataTabId, externId); msgPoolDataIdIntern(poolDataTabId,externId);
strcpy(space->poolDataTabId, poolDataTabId); strcpy(space->poolDataTabId,poolDataTabId);
strcpy(space->externId, externId); strcpy(space->externId,externId);
mSDataTabSemFd = sem_open(space->poolDataTabSemId, mSDataTabSemFd=sem_open(space->poolDataTabSemId,
O_CREAT | O_EXCL, SEM_DEFAULT_MODE, 0); O_CREAT|O_EXCL,SEM_DEFAULT_MODE,0);
if (mSDataTabSemFd == SEM_FAILED) { if (mSDataTabSemFd == SEM_FAILED){
NZG_ERROR("sem_open : creation de la ressource", NZG_ERROR("sem_open : creation de la ressource",
space->poolDataTabSemId); space->poolDataTabSemId);
goto ERROR; goto ERROR;
@ -122,67 +126,60 @@ msgSpace *msgSpaceCreate(msgSpaceId externId,
sem_close(mSDataTabSemFd); sem_close(mSDataTabSemFd);
/* attacher le tableau des msgPoolData */ /* attacher le tableau des msgPoolData */
poolDataTabAddr = msgPoolDataTabCreate(space); poolDataTabAddr=msgPoolDataTabCreate(space);
if (poolDataTabAddr == NULL) { if (poolDataTabAddr == NULL){
NZG_ERROR("msgPoolDataTabCreate", space->poolDataTabId); NZG_ERROR("msgPoolDataTabCreate",space->poolDataTabId);
goto ERROR; goto ERROR;
} }
for (i = 0; i < poolNb; i++) { for (i=0;i<poolNb;i++){
/* Pour chacun des poolData /* Pour chacun des poolData
* - y écrire les informations passées en param * - y écrire les informations passées en param
* - creer les zones mémoires de chacune des pool * - creer les zones mémoires de chacune des pool
*/ */
// creation d'une pool // creation d'une pool
poolDataTabAddr[i].bufferNb = poolInfos[i].bufferNb; poolDataTabAddr[i].bufferNb=poolInfos[i].bufferNb;
poolDataTabAddr[i].bufferSize = poolInfos[i].bufferSize; poolDataTabAddr[i].bufferSize=poolInfos[i].bufferSize;
poolDataTabAddr[i].allocDispBuffer = 0; poolDataTabAddr[i].allocDispBuffer=0;
if (msgBufferInfoTabIdIntern(bufferInfoTabId, externId, i) == if (msgBufferInfoTabIdIntern(bufferInfoTabId,externId,i) == -1){
-1) { fprintf( stderr, "msgBufferInfoTabId creation failed for id %s\n",
fprintf(stderr, (char*)poolId );
"msgBufferInfoTabId creation failed for id %s\n",
(char *)poolId);
return NULL; return NULL;
} }
strcpy(poolDataTabAddr[i].bufferInfoTabId, bufferInfoTabId); strcpy(poolDataTabAddr[i].bufferInfoTabId,bufferInfoTabId);
printf("buffIfoTab %d name : %s\n", i, printf("buffIfoTab %d name : %s\n",i,poolDataTabAddr[i].bufferInfoTabId);
poolDataTabAddr[i].bufferInfoTabId); msgBufferInfoTabCreate(externId,poolDataTabAddr,i,poolInfos[i].bufferNb);
msgBufferInfoTabCreate(externId, poolDataTabAddr, i,
poolInfos[i].bufferNb);
if (msgPoolIdIntern(poolId, externId, i) == -1) { if (msgPoolIdIntern(poolId,externId,i) == -1){
fprintf(stderr, "msgPoolId creation failed for id %s\n", fprintf( stderr, "msgPoolId creation failed for id %s\n",
(char *)poolId); (char*)poolId );
return NULL; return NULL;
} }
strcpy(poolDataTabAddr[i].poolId, poolId); strcpy(poolDataTabAddr[i].poolId,poolId);
msgPoolCreate(externId, i, poolInfos[i].bufferNb, msgPoolCreate(externId,i,poolInfos[i].bufferNb,poolInfos[i].bufferSize);
poolInfos[i].bufferSize);
} }
/* on crée queueNb files de messages */ /* on crée queueNb files de messages */
printf("Creating queues:\n"); printf("Creating queues:\n");
for (i = 0; i < queueNb; i++) { for (i=0; i<queueNb;i++){
printf("- queue %i...", i); printf("- queue %i...",i); fflush(stdout);
fflush(stdout); if (msgQueueInit(space->externId,i) < 0){
if (msgQueueInit(space->externId, i) < 0) {
printf("fail.\n"); printf("fail.\n");
NZG_ERROR("msgQueueInit : queue ?? for", NZG_ERROR("msgQueueInit : queue ?? for",space->externId);
space->externId);
goto ERROR; goto ERROR;
} }
printf("ok.\n"); printf("ok.\n");
} }
msgPoolDataTabClose(space, poolDataTabAddr); msgPoolDataTabClose(space,poolDataTabAddr);
/* on ajoute spaceId a la liste des msgSpace connus */ /* on ajoute spaceId a la liste des msgSpace connus */
printf("spaceListInit...\n"); printf("spaceListInit...\n");
printf("ok\n"); printf("ok\n");
msgSpaceListLock(); msgSpaceListLock();
printf("spaceListLock...ok\n"); printf("spaceListLock...ok\n");
msgSpaceListElemCreate(listElemId, space); msgSpaceListElemCreate(listElemId,space);
printf("spaceListElemCreate...ok\n"); printf("spaceListElemCreate...ok\n");
msgSpaceListAdd(listElemId); msgSpaceListAdd(listElemId);
printf("spaceListAdd...ok\n"); printf("spaceListAdd...ok\n");
@ -192,6 +189,9 @@ msgSpace *msgSpaceCreate(msgSpaceId externId,
/* on renvoie un pointeur sur le bon spaceId */ /* on renvoie un pointeur sur le bon spaceId */
msgPoolDataTabUnlock(space); msgPoolDataTabUnlock(space);
return space; return space;
ERROR: ERROR:
return NULL; return NULL;
} }

View file

@ -2,66 +2,66 @@
#include "ids.h" #include "ids.h"
/* prototypes des fonctions annexes à ne pas exporter */ /* prototypes des fonctions annexes à ne pas exporter */
int msgSpaceIdIntern(msgSpaceId dest, const msgSpaceId src); int msgSpaceIdIntern(msgSpaceId dest,const msgSpaceId src );
int msgPoolDataIdIntern(msgSpaceId dest, const msgSpaceId src); int msgPoolDataIdIntern(msgSpaceId dest,const msgSpaceId src );
int msgPoolDataTabSemIdIntern(msgPoolSemId destSemId, int msgPoolDataTabSemIdIntern(
const msgSpaceId externId); msgPoolSemId destSemId,const msgSpaceId externId);
int msgSpaceDelete(msgSpaceId externId) int msgSpaceDelete(msgSpaceId externId){
{
//int shmId; //int shmId;
msgSpaceId nzgId; msgSpaceId nzgId;
msgSpace *space; msgSpace * space;
int i; int i;
fprintf(stderr, "Deleting msgSpace with id : %s\n", externId); fprintf(stderr,"Deleting msgSpace with id : %s\n",externId);
if (msgSpaceIdIntern(nzgId, externId) == -1) { if (msgSpaceIdIntern(nzgId,externId) == -1){
NZG_ERROR("msgSpaceIdIntern", externId); NZG_ERROR("msgSpaceIdIntern",externId);
goto ERROR; goto ERROR;
} }
space = msgSpaceOpen(externId); space = msgSpaceOpen(externId);
/* supprimer chaque pool */ /* supprimer chaque pool */
for (i = 0; i < space->poolNb; i++) { for (i=0;i<space->poolNb;i++){
msgPoolDelete(externId, i); msgPoolDelete(externId,i);
} }
/* supprimer chaque queue */ /* supprimer chaque queue */
for (i = 0; i < space->queueNb; i++) { for (i=0;i<space->queueNb;i++){
msgQueueDelete(externId, i); msgQueueDelete(externId,i);
} }
printf("openned successfully !\n"); printf("openned successfully !\n");
printf("Unlinking DataTab... "); printf("Unlinking DataTab... ");
if (shm_unlink(space->poolDataTabId) < 0) { if (shm_unlink(space->poolDataTabId) < 0){
perror("shm_unlink"); perror("shm_unlink");
return -1; return -1;
} }
printf("ok\n"); printf("ok\n");
printf("Unlinking DataTabSem... "); printf("Unlinking DataTabSem... ");
if (sem_unlink(space->poolDataTabSemId) < 0) { if (sem_unlink(space->poolDataTabSemId) < 0){
NZG_ERROR("sem_unlink", space->poolDataTabSemId); NZG_ERROR("sem_unlink",space->poolDataTabSemId);
return -1; return -1;
} }
printf("ok\n"); printf("ok\n");
if (shm_unlink(nzgId) < 0) { if (shm_unlink(nzgId)<0){
NZG_ERROR("shm_unlink", nzgId); NZG_ERROR("shm_unlink",nzgId);
goto ERROR; goto ERROR;
}; };
if (msgSpaceListLock() < 0) { if (msgSpaceListLock()<0){
NZG_ERROR("msgSpaceListLock", ""); NZG_ERROR("msgSpaceListLock","");
goto ERROR; goto ERROR;
} }
if (msgSpaceListRem(nzgId) < 0) { if (msgSpaceListRem(nzgId) < 0){
NZG_ERROR("msgSpaceListRem", nzgId); NZG_ERROR("msgSpaceListRem",nzgId);
goto ERROR; goto ERROR;
} }
if (msgSpaceListUnlock() < 0) { if (msgSpaceListUnlock()< 0){
NZG_ERROR("msgSpaceListUnlock", ""); NZG_ERROR("msgSpaceListUnlock","");
goto ERROR; goto ERROR;
} }
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -3,55 +3,54 @@
// ajoute un element en début de liste. // ajoute un element en début de liste.
// fait pointer l'ancien dernier vers lui // fait pointer l'ancien dernier vers lui
// il s'enregistre en tant que dernier chez la liste // il s'enregistre en tant que dernier chez la liste
int msgSpaceListAdd(msgSpaceListElemId newElemId) int msgSpaceListAdd(msgSpaceListElemId newElemId){
{ msgSpaceListElem * listOldTailElem;
msgSpaceListElem *listOldTailElem; msgSpaceListElem * listNewTailElem;
msgSpaceListElem *listNewTailElem; msgSpaceList * list;
msgSpaceList *list;
list = msgSpaceListOpen(); list=msgSpaceListOpen();
if (list == NULL) { if (list == NULL){
NZG_ERROR("msgSpaceListOpen", ""); NZG_ERROR("msgSpaceListOpen","");
goto ERROR; goto ERROR;
} }
// on informe l'element qui est le dernier // on informe l'element qui est le dernier
listNewTailElem = msgSpaceListElemOpen(newElemId); listNewTailElem=msgSpaceListElemOpen(newElemId);
if (listNewTailElem == NULL) { if (listNewTailElem==NULL){
NZG_ERROR("msgSpaceListElemOpen", newElemId); NZG_ERROR("msgSpaceListElemOpen",newElemId);
goto ERROR; goto ERROR;
} }
strcpy(listNewTailElem->next, newElemId); strcpy(listNewTailElem->next,newElemId);
if (msgSpaceListElemClose(listNewTailElem) < 0) { if (msgSpaceListElemClose(listNewTailElem) <0 ){
NZG_ERROR("msgSpaceListElemClose", newElemId); NZG_ERROR("msgSpaceListElemClose",newElemId);
goto ERROR; goto ERROR;
} }
/* verifier si la liste n'est pas vide... */ /* verifier si la liste n'est pas vide... */
if ((strcmp(list->headId, list->id) == 0) if((strcmp(list->headId,list->id)==0)
&& (strcmp(list->tailId, list->id) == 0)) { && (strcmp(list->tailId,list->id)==0)) {
printf("- premier elem de spaceList -\n"); printf("- premier elem de spaceList -\n");
// on donne a la queue l'id de l'element // on donne a la queue l'id de l'element
strcpy(list->headId, newElemId); strcpy(list->headId,newElemId);
strcpy(list->tailId, newElemId); strcpy(list->tailId,newElemId);
} else { } else {
/* on informe son prédecesseur qu'il a un suivant */ /* on informe son prédecesseur qu'il a un suivant */
listOldTailElem = msgSpaceListElemOpen(list->tailId); listOldTailElem=msgSpaceListElemOpen(list->tailId);
if (listOldTailElem == NULL) { if (listOldTailElem == NULL){
NZG_ERROR("msgSpaceListElemOpen", list->tailId); NZG_ERROR("msgSpaceListElemOpen",list->tailId);
goto ERROR; goto ERROR;
} }
strcpy(listOldTailElem->next, newElemId); strcpy(listOldTailElem->next,newElemId);
if (msgSpaceListElemClose(listOldTailElem) < 0) { if (msgSpaceListElemClose(listOldTailElem) < 0){
NZG_ERROR("msgSpaceListElemClose", list->tailId); NZG_ERROR("msgSpaceListElemClose",list->tailId);
goto ERROR; goto ERROR;
} }
// on donne a la queue l'id du dernier element // on donne a la queue l'id du dernier element
strcpy(list->tailId, newElemId); strcpy(list->tailId,newElemId);
} }
// on incremente elemCounter // on incremente elemCounter
msgSpaceListClose(list); msgSpaceListClose(list);
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -1,18 +1,17 @@
#include "libnazgul.h" #include "libnazgul.h"
#include "ids.h" #include "ids.h"
int msgSpaceListClose(msgSpaceList * list) int msgSpaceListClose(msgSpaceList * list){
{
msgSpaceListId spaceListId; msgSpaceListId spaceListId;
strcpy(spaceListId, DEFAULT_MSGSPACELISTID); strcpy(spaceListId,DEFAULT_MSGSPACELISTID);
if (munmap(list, sizeof(msgSpaceList)) < 0) { if (munmap(list,sizeof(msgSpaceList)) < 0){
NZG_ERROR("unmap", spaceListId); NZG_ERROR("unmap",spaceListId);
goto ERROR; goto ERROR;
} }
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -5,14 +5,14 @@ int msgSpaceListElemClose(msgSpaceListElem * listElem)
{ {
msgSpaceListElemId eId; msgSpaceListElemId eId;
strcpy(eId, listElem->id); strcpy(eId,listElem->id);
if (munmap(listElem, sizeof(msgSpaceListElem)) < 0) { if (munmap(listElem,sizeof(msgSpaceListElem)) < 0){
NZG_ERROR("unmap", eId); NZG_ERROR("unmap",eId);
goto ERROR; goto ERROR;
} }
return 0; return 0;
ERROR: ERROR:
return -1; return-1;
}; };

View file

@ -2,43 +2,47 @@
#include "ids.h" #include "ids.h"
// cree un nouvel elemen // cree un nouvel elemen
int msgSpaceListElemCreate(msgSpaceListElemId listElemId, msgSpace * space) int msgSpaceListElemCreate(
msgSpaceListElemId listElemId,
msgSpace * space)
{ {
int listElemFd; int listElemFd;
msgSpaceListElem *listElem; msgSpaceListElem * listElem;
msgSpaceListElemIdIntern(listElemId, space->externId); msgSpaceListElemIdIntern(listElemId,space->externId);
listElemFd = shm_open(listElemId, listElemFd=shm_open(listElemId,
O_RDWR | O_CREAT | O_EXCL | O_TRUNC, O_RDWR|O_CREAT|O_EXCL|O_TRUNC,
SHM_DEFAULT_MODE); SHM_DEFAULT_MODE);
if (listElemFd == -1) { if (listElemFd == -1 ) {
NZG_ERROR("shm_open : msgSpaceListElem creation", listElemId); NZG_ERROR("shm_open : msgSpaceListElem creation",listElemId);
goto ERROR; goto ERROR;
} }
if (ftruncate(listElemFd, sizeof(msgSpaceListElem)) < 0) { if (ftruncate(listElemFd, sizeof(msgSpaceListElem)) < 0){
NZG_ERROR("ftruncate", listElemId); NZG_ERROR("ftruncate", listElemId);
goto ERROR; goto ERROR;
} }
close(listElemFd); close(listElemFd);
listElem = msgSpaceListElemOpen(listElemId); listElem=msgSpaceListElemOpen(listElemId);
if (listElem == NULL) { if (listElem ==NULL){
NZG_ERROR("msgSpaceListElemOpen", listElemId); NZG_ERROR("msgSpaceListElemOpen",listElemId);
goto ERROR; goto ERROR;
} }
strcpy(listElem->id, listElemId); strcpy(listElem->id,listElemId);
strcpy(listElem->next, listElemId); strcpy(listElem->next,listElemId);
strcpy(listElem->spaceId, space->id); strcpy(listElem->spaceId,space->id);
printf("[ ListElem : id %s,next: %s, Sid: %s ]\n", printf("[ ListElem : id %s,next: %s, Sid: %s ]\n",
listElem->id, listElem->next, listElem->spaceId); listElem->id,
if (msgSpaceListElemClose(listElem) < 0) { listElem->next,
NZG_ERROR("msgSpaceListElemClose", listElemId); listElem->spaceId);
if (msgSpaceListElemClose(listElem) <0){
NZG_ERROR("msgSpaceListElemClose",listElemId);
} }
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
}; };

View file

@ -2,5 +2,6 @@
// modifie l'element suivant de l'element choisi // modifie l'element suivant de l'element choisi
// et le fait pointer sur un nouvel ID // et le fait pointer sur un nouvel ID
int msgSpaceListElemLinkNext(msgSpaceListElemId current, int msgSpaceListElemLinkNext(msgSpaceListElemId current,msgSpaceListElemId next);
msgSpaceListElemId next);

View file

@ -2,29 +2,32 @@
#include "ids.h" #include "ids.h"
// cree un nouvel elemen // cree un nouvel elemen
void *msgSpaceListElemOpen(msgSpaceListElemId listElemId) void * msgSpaceListElemOpen(msgSpaceListElemId listElemId){
{
int listElemFd; int listElemFd;
void *listElemAddr; void * listElemAddr;
listElemFd = shm_open(listElemId, O_RDWR, SHM_DEFAULT_MODE); listElemFd=shm_open(listElemId,O_RDWR,SHM_DEFAULT_MODE);
if (listElemFd == -1) { if (listElemFd == -1 ) {
NZG_ERROR("shm_open : msgSpaceListElem open", listElemId); NZG_ERROR("shm_open : msgSpaceListElem open",listElemId);
goto ERROR; goto ERROR;
} }
listElemAddr = mmap(NULL, listElemAddr=mmap(NULL,
sizeof(msgQueueElem), sizeof(msgQueueElem),
PROT_READ | PROT_WRITE, MAP_SHARED, listElemFd, 0); PROT_READ|PROT_WRITE,
MAP_SHARED,
listElemFd,
0);
if (listElemAddr == MAP_FAILED) { if( listElemAddr == MAP_FAILED ) {
NZG_ERROR("mmap", listElemId); NZG_ERROR("mmap",listElemId);
goto ERROR; goto ERROR;
} }
close(listElemFd); close(listElemFd);
return listElemAddr; return listElemAddr;
ERROR: ERROR:
return NULL; return NULL;
}; };

View file

@ -2,84 +2,78 @@
#define DEBUG 1 #define DEBUG 1
int msgSpaceListFindId(msgSpaceId externId) int msgSpaceListFindId(msgSpaceId externId){
{ msgSpaceList * list;
msgSpaceList *list;
msgSpaceId spaceId; msgSpaceId spaceId;
msgSpaceListElemId listHeadElemId; msgSpaceListElemId listHeadElemId;
msgSpaceListElemId listTailElemId; msgSpaceListElemId listTailElemId;
msgSpaceListId listId; msgSpaceListId listId;
msgSpaceIdIntern(spaceId, externId); msgSpaceIdIntern(spaceId,externId);
list = msgSpaceListOpen(); list=msgSpaceListOpen();
if (list == NULL) { if (list==NULL){
NZG_ERROR("msgSpaceListOpen", ""); NZG_ERROR("msgSpaceListOpen","");
goto ERROR; goto ERROR;
} }
if (DEBUG) { if (DEBUG) { printf("Before ListStrCpy\n"); }
printf("Before ListStrCpy\n"); strcpy(listHeadElemId,list->headId);
} strcpy(listTailElemId,list->tailId);
strcpy(listHeadElemId, list->headId); strcpy(listId,list->id);
strcpy(listTailElemId, list->tailId); if (DEBUG) { printf("After ListStrCpy\n"); }
strcpy(listId, list->id); if ((strcmp(listHeadElemId,listId)==0)
if (DEBUG) { && strcmp(listTailElemId,listId)==0){
printf("After ListStrCpy\n");
}
if ((strcmp(listHeadElemId, listId) == 0)
&& strcmp(listTailElemId, listId) == 0) {
// si la liste est vide // si la liste est vide
if (DEBUG) { if (DEBUG) { printf("SpaceList : vide\n"); }
printf("SpaceList : vide\n");
}
return 1; return 1;
} else { } else {
return msgSpaceListElemFindId(listHeadElemId, spaceId); return msgSpaceListElemFindId(listHeadElemId,spaceId);
} }
if (msgSpaceListClose(list) < 0) { if (msgSpaceListClose(list) < 0){
NZG_ERROR("msgSpaceListClose", ""); NZG_ERROR("msgSpaceListClose","");
goto ERROR; goto ERROR;
} }
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }
int msgSpaceListElemFindId(msgSpaceListElemId elemId, msgSpaceId spaceId) int msgSpaceListElemFindId(msgSpaceListElemId elemId,msgSpaceId spaceId){
{ msgSpaceListElem * listElem;
msgSpaceListElem *listElem;
msgSpaceListElemId listElemIdNext; msgSpaceListElemId listElemIdNext;
msgSpaceId currentElemSpaceId; msgSpaceId currentElemSpaceId;
listElem = msgSpaceListElemOpen(elemId); listElem=msgSpaceListElemOpen(elemId);
if (listElem == NULL) { if (listElem==NULL){
NZG_ERROR("msgSpaceListElemOpen", elemId); NZG_ERROR("msgSpaceListElemOpen",elemId);
goto ERROR; goto ERROR;
} }
strcpy(listElemIdNext, listElem->next); strcpy(listElemIdNext,listElem->next);
strcpy(currentElemSpaceId, listElem->spaceId); strcpy(currentElemSpaceId,listElem->spaceId);
if (msgSpaceListElemClose(listElem) < 0) { if (msgSpaceListElemClose(listElem) < 0){
NZG_ERROR("msgSpaceListElemClose", elemId); NZG_ERROR("msgSpaceListElemClose",elemId);
goto ERROR; goto ERROR;
} }
printf("Current ListElem: Next:%s, Sid:%s\n", printf("Current ListElem: Next:%s, Sid:%s\n",
listElemIdNext, currentElemSpaceId); listElemIdNext,currentElemSpaceId);
printf("comparisons...\n"); printf("comparisons...\n");
if (strcmp(currentElemSpaceId, spaceId) == 0) { if (strcmp(currentElemSpaceId,spaceId)==0) {
printf("Found %s in spaceList !\n", spaceId); printf("Found %s in spaceList !\n",spaceId);
return 0; return 0;
} else { } else {
if (strcmp(listElemIdNext, elemId) == 0) { if (strcmp(listElemIdNext,elemId)==0){
printf("End of spaceList reached.\n"); printf("End of spaceList reached.\n");
/* fin de liste ?? */ /* fin de liste ?? */
return 1; return 1;
} else { } else {
/* continuer sur l'element suivant */ /* continuer sur l'element suivant */
return msgSpaceListElemFindId(listElemIdNext, spaceId); return msgSpaceListElemFindId(listElemIdNext,spaceId);
} }
} }
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -1,73 +1,76 @@
#include "libnazgul.h" #include "libnazgul.h"
#include "ids.h" #include "ids.h"
int msgSpaceListInit() int msgSpaceListInit(){
{
int spaceListFd; int spaceListFd;
sem_t *spaceListSemFd; sem_t * spaceListSemFd;
msgSpaceList *list; msgSpaceList *list;
msgSpaceListSemId spaceListSemId; msgSpaceListSemId spaceListSemId;
msgSpaceListId spaceListId; msgSpaceListId spaceListId;
strcpy(spaceListSemId, DEFAULT_MSGSPACELISTSEMID); strcpy(spaceListSemId,DEFAULT_MSGSPACELISTSEMID);
strcpy(spaceListId, DEFAULT_MSGSPACELISTID); strcpy(spaceListId,DEFAULT_MSGSPACELISTID);
/* Creation de semaphore */ /* Creation de semaphore */
spaceListSemFd = sem_open(spaceListSemId, O_CREAT | O_EXCL, 0666, 0); spaceListSemFd=sem_open(spaceListSemId,O_CREAT|O_EXCL,0666,0);
if (spaceListSemFd == SEM_FAILED) { if(spaceListSemFd==SEM_FAILED){
spaceListSemFd = sem_open(spaceListSemId, O_CREAT, 0666, 0); spaceListSemFd=sem_open(spaceListSemId,O_CREAT,0666,0);
if (spaceListSemFd == SEM_FAILED) { if(spaceListSemFd==SEM_FAILED){
NZG_ERROR("sem_open", spaceListSemId); NZG_ERROR("sem_open",spaceListSemId);
goto ERROR; goto ERROR;
} }
} }
/*Fait un segment de memoir partager sur espace de listelement */
spaceListFd = shm_open(spaceListId,
O_RDWR | O_CREAT | O_EXCL | O_TRUNC, 0666); /*Fait un segment de memoir partager sur espace de listelement*/
if (spaceListFd == -1) { spaceListFd=shm_open(spaceListId,
spaceListFd = shm_open(spaceListId, O_RDWR, 0666); O_RDWR|O_CREAT|O_EXCL|O_TRUNC,
if (spaceListFd == -1) { 0666);
NZG_ERROR("shm_open", spaceListId); if (spaceListFd == -1){
spaceListFd=shm_open(spaceListId,O_RDWR,0666);
if (spaceListFd == -1){
NZG_ERROR("shm_open",spaceListId);
goto ERROR; goto ERROR;
} else { } else {
close(spaceListFd); close(spaceListFd);
goto EXISTING; goto EXISTING;
} }
} }
if (ftruncate(spaceListFd, sizeof(msgSpaceList)) < 0) { if (ftruncate(spaceListFd, sizeof(msgSpaceList)) < 0){
NZG_ERROR("ftruncate", spaceListId); NZG_ERROR("ftruncate",spaceListId);
goto ERROR; goto ERROR;
} }
close(spaceListFd); close(spaceListFd);
list = msgSpaceListOpen(); list=msgSpaceListOpen();
if (list == NULL) { if (list == NULL){
NZG_ERROR("msgSpaceListOpen", ""); NZG_ERROR("msgSpaceListOpen","");
goto ERROR; goto ERROR;
} }
strcpy(list->id, spaceListId); strcpy(list->id,spaceListId);
strcpy(list->headId, spaceListId); strcpy(list->headId,spaceListId);
strcpy(list->tailId, spaceListId); strcpy(list->tailId,spaceListId);
if (msgSpaceListClose(list) < 0) { if (msgSpaceListClose(list) <0){
NZG_ERROR("msgSpaceListClose", ""); NZG_ERROR("msgSpaceListClose","");
goto ERROR; goto ERROR;
} }
if (msgSpaceListUnlock() < 0) { if (msgSpaceListUnlock() < 0){
NZG_ERROR("msgSpaceListUnlock", ""); NZG_ERROR("msgSpaceListUnlock","");
goto ERROR; goto ERROR;
} }
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
EXISTING: EXISTING:
if (msgSpaceListUnlock() < 0) { if (msgSpaceListUnlock() < 0){
NZG_ERROR("msgSpaceListUnlock", ""); NZG_ERROR("msgSpaceListUnlock","");
goto ERROR; goto ERROR;
} }
return 0; return 0;
}; };

View file

@ -1,65 +1,69 @@
#include "libnazgul.h" #include "libnazgul.h"
// verouille le semaphore de la liste // verouille le semaphore de la liste
int msgSpaceListLock() int msgSpaceListLock(){
{ sem_t * msgSpaceListSemFd;
sem_t *msgSpaceListSemFd;
msgSpaceListSemId spaceListSemId; msgSpaceListSemId spaceListSemId;
strcpy(spaceListSemId, DEFAULT_MSGSPACELISTSEMID); strcpy(spaceListSemId,DEFAULT_MSGSPACELISTSEMID);
/* Ouverture d'un semafore */ /* Ouverture d'un semafore */
msgSpaceListSemFd = sem_open(spaceListSemId, O_CREAT, 0666, 1); msgSpaceListSemFd=sem_open(spaceListSemId,O_CREAT,0666,1);
if (msgSpaceListSemFd == SEM_FAILED) { if(msgSpaceListSemFd==SEM_FAILED){
NZG_ERROR("sem_open", spaceListSemId); NZG_ERROR("sem_open",spaceListSemId);
goto ERROR; goto ERROR;
} }
/* Pose d'un semaphore et le verrouille */ /* Pose d'un semaphore et le verrouille */
if (sem_wait(msgSpaceListSemFd) == -1) { if(sem_wait(msgSpaceListSemFd)==-1){
NZG_ERROR("sem_wait", spaceListSemId); NZG_ERROR("sem_wait",spaceListSemId);
goto ERROR; goto ERROR;
} }
/* Ferme le semaphore */ /* Ferme le semaphore*/
/* if(sem_close(msgSpaceListSemFd)==-1){ /* if(sem_close(msgSpaceListSemFd)==-1){
NZG_ERROR("sem_close",spaceListSemId); NZG_ERROR("sem_close",spaceListSemId);
return -1; return -1;
} */ }*/
sem_close(msgSpaceListSemFd); sem_close(msgSpaceListSemFd);
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }
// deverouille le semaphore de la liste // deverouille le semaphore de la liste
int msgSpaceListUnlock() int msgSpaceListUnlock(){
{ sem_t * msgSpaceListSemFd;
sem_t *msgSpaceListSemFd;
msgSpaceListSemId spaceListSemId; msgSpaceListSemId spaceListSemId;
strcpy(spaceListSemId, DEFAULT_MSGSPACELISTSEMID); strcpy(spaceListSemId,DEFAULT_MSGSPACELISTSEMID);
/*Ouverture dun semaphore */
msgSpaceListSemFd = sem_open(spaceListSemId, O_CREAT, 0666, 0); /*Ouverture dun semaphore*/
if (msgSpaceListSemFd == SEM_FAILED) { msgSpaceListSemFd=sem_open(spaceListSemId,O_CREAT,0666,0);
NZG_ERROR("sem_open", spaceListSemId); if(msgSpaceListSemFd==SEM_FAILED){
NZG_ERROR("sem_open",spaceListSemId);
goto ERROR; goto ERROR;
} }
/*Relachement du semaphore */
if (sem_post(msgSpaceListSemFd) == -1) { /*Relachement du semaphore*/
NZG_ERROR("sem_relache", spaceListSemId); if(sem_post(msgSpaceListSemFd)==-1){
NZG_ERROR("sem_relache",spaceListSemId);
goto ERROR; goto ERROR;
} }
/* Ferme le semaphore */ /* Ferme le semaphore */
if (sem_close(msgSpaceListSemFd) == -1) { if(sem_close(msgSpaceListSemFd)==-1){
NZG_ERROR("sem_close", spaceListSemId); NZG_ERROR("sem_close",spaceListSemId);
goto ERROR; goto ERROR;
} }
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
}; };

View file

@ -1,30 +1,32 @@
#include "libnazgul.h" #include "libnazgul.h"
#include "ids.h" #include "ids.h"
void *msgSpaceListOpen() void * msgSpaceListOpen(){
{
int listFd; int listFd;
void *listAddr; void * listAddr;
msgSpaceListId spaceListId; msgSpaceListId spaceListId;
strcpy(spaceListId, DEFAULT_MSGSPACELISTID); strcpy(spaceListId,DEFAULT_MSGSPACELISTID);
listFd = shm_open(spaceListId, O_RDWR, SHM_DEFAULT_MODE); listFd=shm_open(spaceListId,O_RDWR,SHM_DEFAULT_MODE);
if (listFd == -1) { if (listFd == -1 ) {
NZG_ERROR("shm_open : msgSpaceList open", spaceListId); NZG_ERROR("shm_open : msgSpaceList open",spaceListId);
goto ERROR; goto ERROR;
} }
listAddr = mmap(NULL, listAddr=mmap(NULL,
sizeof(msgSpaceList), sizeof(msgSpaceList),
PROT_READ | PROT_WRITE, MAP_SHARED, listFd, 0); PROT_READ|PROT_WRITE,
if (listAddr == MAP_FAILED) { MAP_SHARED,
NZG_ERROR("mmap", spaceListId); listFd,
0);
if( listAddr == MAP_FAILED ) {
NZG_ERROR("mmap",spaceListId);
goto ERROR; goto ERROR;
} }
close(listFd); close(listFd);
return listAddr; return listAddr;
ERROR: ERROR:
return NULL; return NULL;
} }

View file

@ -2,9 +2,8 @@
#define DEBUG 1 #define DEBUG 1
int msgSpaceListRem(msgSpaceId spaceId) int msgSpaceListRem(msgSpaceId spaceId){
{ msgSpaceList * list;
msgSpaceList *list;
msgSpaceListElemId listHeadElemId; msgSpaceListElemId listHeadElemId;
msgSpaceListElemId listTailElemId; msgSpaceListElemId listTailElemId;
msgSpaceListId listId; msgSpaceListId listId;
@ -13,116 +12,99 @@ int msgSpaceListRem(msgSpaceId spaceId)
msgSpaceListElemId currElemId; msgSpaceListElemId currElemId;
msgSpaceListElemId nextElemId; msgSpaceListElemId nextElemId;
msgSpaceListElem *prevElem; msgSpaceListElem * prevElem;
msgSpaceListElem *currElem; msgSpaceListElem * currElem;
msgSpaceId currSpaceId; msgSpaceId currSpaceId;
list = msgSpaceListOpen(); list=msgSpaceListOpen();
if (list == NULL) { if (list==NULL){
NZG_ERROR("msgSpaceListOpen", ""); NZG_ERROR("msgSpaceListOpen","");
goto ERROR; goto ERROR;
} }
if (DEBUG) { if (DEBUG) { printf("Before ListStrCpy\n"); }
printf("Before ListStrCpy\n"); strcpy(listHeadElemId,list->headId);
} strcpy(listTailElemId,list->tailId);
strcpy(listHeadElemId, list->headId); strcpy(listId,list->id);
strcpy(listTailElemId, list->tailId); if (DEBUG) { printf("After ListStrCpy\n"); }
strcpy(listId, list->id); if ((strcmp(listHeadElemId,listId)==0)
if (DEBUG) { && strcmp(listTailElemId,listId)==0){
printf("After ListStrCpy\n"); if (DEBUG) { printf("SpaceList : vide\n"); }
}
if ((strcmp(listHeadElemId, listId) == 0)
&& strcmp(listTailElemId, listId) == 0) {
if (DEBUG) {
printf("SpaceList : vide\n");
}
return 1; return 1;
} else { } else {
bool found = false; bool found=false;
strcpy(prevElemId, list->headId); strcpy(prevElemId,list->headId);
strcpy(currElemId, list->headId); strcpy(currElemId,list->headId);
while (!found) { while(!found){
printf("Recherche dans l'element %s\n", listHeadElemId); printf("Recherche dans l'element %s\n",listHeadElemId);
currElem = msgSpaceListElemOpen(currElemId); currElem=msgSpaceListElemOpen(currElemId);
if (currElem == NULL) { if (currElem==NULL){
NZG_ERROR("msgSpaceListElemOpen", currElemId); NZG_ERROR("msgSpaceListElemOpen",currElemId);
goto ERROR; goto ERROR;
} }
strcpy(nextElemId, currElem->next); strcpy(nextElemId,currElem->next);
strcpy(currSpaceId, currElem->spaceId); strcpy(currSpaceId,currElem->spaceId);
if (msgSpaceListElemClose(currElem) < 0) { if (msgSpaceListElemClose(currElem) <0){
NZG_ERROR("msgSpaceListElemClose", currElemId); NZG_ERROR("msgSpaceListElemClose",currElemId);
goto ERROR; goto ERROR;
} }
if (strcmp(prevElemId, nextElemId) == 0) { if (strcmp(prevElemId,nextElemId)==0){
// list à 1 seul élement // list à 1 seul élement
if (strcmp(currSpaceId, spaceId) == 0) { if (strcmp(currSpaceId,spaceId)==0){
// on a trouvé l'elem // on a trouvé l'elem
strcpy(list->headId, list->id); strcpy(list->headId,list->id);
strcpy(list->tailId, list->id); strcpy(list->tailId,list->id);
// on efface // on efface
shm_unlink(currElemId); shm_unlink(currElemId);
found = true; found=true;
} else { } else {
break; break;
} }
} else { } else {
// liste à plusieurs élements... // liste à plusieurs élements...
if (strcmp(currSpaceId, spaceId) == 0) { if (strcmp(currSpaceId,spaceId)==0){
// ca correspond // ca correspond
if (strcmp(prevElemId, currElemId) == 0) { if (strcmp(prevElemId,currElemId)==0){
// si on est en début de liste (prev=current) // si on est en début de liste (prev=current)
// - la tete de liste pointe sur le suivant // - la tete de liste pointe sur le suivant
strcpy(list->headId, strcpy(list->headId,nextElemId);
nextElemId);
} else { } else {
if (strcmp if (strcmp(currElemId,nextElemId)==0){
(currElemId,
nextElemId) == 0) {
// si on est en find de liste (current=next) // si on est en find de liste (current=next)
// - on fait pointer la queue de liste sur le précédent // - on fait pointer la queue de liste sur le précédent
strcpy(list->tailId, strcpy(list->tailId,prevElemId);
prevElemId);
// - on fait pointer le précédent sur lui-meme // - on fait pointer le précédent sur lui-meme
prevElem = prevElem=msgSpaceListElemOpen(prevElemId);
msgSpaceListElemOpen strcpy(prevElem->next,prevElemId);
(prevElemId); msgSpaceListElemClose(prevElem);
strcpy(prevElem->next, }else {
prevElemId);
msgSpaceListElemClose
(prevElem);
} else {
// on est en milieu de liste // on est en milieu de liste
// - on fait pointer le précédent sur le suivant // - on fait pointer le précédent sur le suivant
prevElem = prevElem=msgSpaceListElemOpen(prevElemId);
msgSpaceListElemOpen strcpy(prevElem->next,nextElemId);
(prevElemId); msgSpaceListElemClose(prevElem);
strcpy(prevElem->next,
nextElemId);
msgSpaceListElemClose
(prevElem);
} }
} }
// - on détruit l'actuel // - on détruit l'actuel
shm_unlink(currElemId); shm_unlink(currElemId);
found = true; found=true;
break; break;
} else { } else {
//cela ne correspond pas //cela ne correspond pas
//on recopie //on recopie
strcpy(prevElemId, currElemId); strcpy(prevElemId,currElemId);
strcpy(currElemId, nextElemId); strcpy(currElemId,nextElemId);
} }
} }
} }
if (msgSpaceListClose(list) < 0) { if (msgSpaceListClose(list) < 0){
NZG_ERROR("msgSpaceListClose", ""); NZG_ERROR("msgSpaceListClose","");
goto ERROR; goto ERROR;
} }
return 0; return 0;
} }
ERROR: ERROR:
return -1; return -1;
} }

View file

@ -2,26 +2,25 @@
#include "ids.h" #include "ids.h"
/* prototypes des fonctions annexes à ne pas exporter */ /* prototypes des fonctions annexes à ne pas exporter */
int msgSpaceIdIntern(msgSpaceId dest, const msgSpaceId src); int msgSpaceIdIntern(msgSpaceId dest,const msgSpaceId src );
int msgPoolDataIdIntern(msgSpaceId dest, const msgSpaceId src); int msgPoolDataIdIntern(msgSpaceId dest,const msgSpaceId src );
msgSpace *msgSpaceOpen(msgSpaceId externId)
{ msgSpace * msgSpaceOpen(msgSpaceId externId){
int shmFd; int shmFd;
msgSpaceId nzgId; msgSpaceId nzgId;
msgSpace *mSAddr; msgSpace * mSAddr;
if (msgSpaceIdIntern(nzgId, externId) < 0) { if (msgSpaceIdIntern(nzgId,externId) < 0){
return NULL; return NULL;
} }
if ((shmFd = shm_open(nzgId, O_RDWR, MSGSPACE_DEFAULT_MODE)) < 0) { if ((shmFd=shm_open(nzgId,O_RDWR,MSGSPACE_DEFAULT_MODE)) < 0){
perror("shm_open"); perror("shm_open");
return NULL; return NULL;
} }
mSAddr = mSAddr=mmap(NULL,sizeof(msgSpace),PROT_READ|PROT_WRITE,MAP_SHARED,shmFd,(off_t)0);
mmap(NULL, sizeof(msgSpace), PROT_READ | PROT_WRITE, MAP_SHARED,
shmFd, (off_t) 0);
printf("OPEN: msgSpace mapped to %p in %d\n", (void *)mSAddr, printf( "OPEN: msgSpace mapped to 0x%08x in %d\n", (int)mSAddr,(int)getpid());
(int)getpid());
return mSAddr; return mSAddr;
} }

View file

@ -1 +1,2 @@
#include "libnazgul.h" #include "libnazgul.h"

View file

@ -6,57 +6,58 @@
#include "libnazgul.h" #include "libnazgul.h"
int main(void) int main(void) {
{
// msgSpace mS=0; // msgSpace mS=0;
pid_t pid; pid_t pid;
msgSpaceId testId; msgSpaceId testId;
msgSpace *mSPAC; msgSpace * mSPAC;
msgPool poolInfos[3]; msgPool poolInfos[3];
char *montext; char * montext;
poolInfos[0].bufferNb = 4; poolInfos[0].bufferNb=4;
poolInfos[0].bufferSize = 200; poolInfos[0].bufferSize=200;
poolInfos[1].bufferNb = 5; poolInfos[1].bufferNb=5;
poolInfos[1].bufferSize = 250; poolInfos[1].bufferSize=250;
poolInfos[2].bufferNb = 5; poolInfos[2].bufferNb=5;
poolInfos[2].bufferSize = 280; poolInfos[2].bufferSize=280;
sprintf(testId, "test%d", (int)getuid()); sprintf(testId,"test%d",(int)getuid());
printf("RequestedId: %s\n", testId); printf("RequestedId: %s\n",testId);
printf("Void size: %d\n", (int)sizeof(void)); printf("Void size: %d\n",(int)sizeof(void));
mSPAC = msgSpaceCreate(testId, 0, 3, poolInfos); mSPAC=msgSpaceCreate(testId,0,3,poolInfos);
if (mSPAC == NULL) { if (mSPAC ==NULL) {
NZG_ERROR("msgSpaceCreate", testId); NZG_ERROR("msgSpaceCreate",testId);
exit(0); exit(0);
} }
pid = fork(); pid=fork();
if (pid == 0) {
mSPAC = msgSpaceOpen(testId);
if (pid ==0){
mSPAC=msgSpaceOpen(testId);
sleep(5); sleep(5);
montext = msgAllocate(mSPAC, 2, 180, 0); montext=msgAllocate(mSPAC,2,180,0);
sleep(5); sleep(5);
montext = msgAllocate(mSPAC, 2, 170, 0); montext=msgAllocate(mSPAC,2,170,0);
sleep(5); sleep(5);
montext = msgAllocate(mSPAC, 2, 270, 0); montext=msgAllocate(mSPAC,2,270,0);
} else { } else {
mSPAC = msgSpaceOpen(testId); mSPAC=msgSpaceOpen(testId);
montext = msgAllocate(mSPAC, 2, 280, 0); montext=msgAllocate(mSPAC,2,280,0);
*montext = 42; *montext=42;
printf("### test Valeur0 %d ###\n", (int)*montext); printf("### test Valeur0 %d ###\n",(int)*montext);
//sleep(2); //sleep(2);
montext = msgAllocate(mSPAC, 2, 270, 0); montext=msgAllocate(mSPAC,2,270,0);
*montext = 17; *montext=17;
printf("### test Valeur1 %d ###\n", (int)*montext); printf("### test Valeur1 %d ###\n",(int)*montext);
sleep(5); sleep(5);
montext = msgAllocate(mSPAC, 2, 270, 0); montext=msgAllocate(mSPAC,2,270,0);
msgFree(mSPAC, (void *)montext); msgFree(mSPAC,(void *)montext);
//msgFree(mSPAC,(void *)montext); //msgFree(mSPAC,(void *)montext);
//msgFree(mSPAC,(void *)montext); //msgFree(mSPAC,(void *)montext);
wait(NULL); wait(NULL);

View file

@ -6,64 +6,54 @@
#include "libnazgul.h" #include "libnazgul.h"
void usage(char *myname) void usage(char * myname){
{ printf("Usage: %s [--all | msgSpaceId1 msgSpaceId2 ... ]\n",myname);
printf("Usage: %s [--all | msgSpaceId1 msgSpaceId2 ... ]\n", myname);
} }
int about(char *spaceId) int about(char * spaceId){
{
msgPoolDataTabSemId ressourceSemId; msgPoolDataTabSemId ressourceSemId;
sem_t *ressourceSemFd; sem_t * ressourceSemFd;
int i; int i;
msgPoolData *poolDataTab; msgPoolData * poolDataTab;
msgSpace *space; msgSpace * space;
int ressourceSemVal; int ressourceSemVal;
if (strlen(spaceId) > MSGSPACE_ID_LEN) { if (strlen(spaceId)> MSGSPACE_ID_LEN){
//verif de la longueur //verif de la longueur
fprintf(stderr, "Too long ident : %s\n", spaceId); fprintf(stderr,"Too long ident : %s\n",spaceId);
goto ERROR; goto ERROR;
} else { } else {
int err; int err;
msgSpaceListLock(); msgSpaceListLock();
err = msgSpaceListFindId(spaceId); err=msgSpaceListFindId(spaceId);
msgSpaceListUnlock(); msgSpaceListUnlock();
if (err < 1) { if (err < 1){
if (err == 0) { if (err==0){
// le msgSpace existe // le msgSpace existe
space = msgSpaceOpen(spaceId); space=msgSpaceOpen(spaceId);
// on lit les informations sur le msgSpace // on lit les informations sur le msgSpace
// les pool // les pool
for (i = 0; i < space->poolNb; i++) { for (i=0;i<space->poolNb;i++){
msgPoolSemIdIntern(ressourceSemId, msgPoolSemIdIntern(ressourceSemId,space->externId,i);
space->externId, i); ressourceSemFd = sem_open(ressourceSemId,O_CREAT,SEM_DEFAULT_MODE,0);
ressourceSemFd = if (ressourceSemFd == SEM_FAILED){
sem_open(ressourceSemId, O_CREAT, NZG_ERROR("sem_open",ressourceSemId);
SEM_DEFAULT_MODE, 0);
if (ressourceSemFd == SEM_FAILED) {
NZG_ERROR("sem_open",
ressourceSemId);
goto ERROR; goto ERROR;
} }
if (sem_getvalue if (sem_getvalue(ressourceSemFd, &ressourceSemVal) < 0){
(ressourceSemFd, NZG_ERROR("sem_getvalue",ressourceSemId);
&ressourceSemVal) < 0) {
NZG_ERROR("sem_getvalue",
ressourceSemId);
goto ERROR; goto ERROR;
} }
msgPoolDataTabLock(space); msgPoolDataTabLock(space);
poolDataTab = msgPoolDataTabOpen(space); poolDataTab= msgPoolDataTabOpen(space);
// donner le nombre de buffer disponibles // donner le nombre de buffer disponibles
printf printf("- %d/%d free buffers in pool #%d\n",
("- %d/%d free buffers in pool #%d\n",
ressourceSemVal, ressourceSemVal,
poolDataTab[i].bufferNb, i); poolDataTab[i].bufferNb,
msgPoolDataTabClose(space, poolDataTab); i);
msgPoolDataTabClose(space,poolDataTab);
msgPoolDataTabUnlock(space); msgPoolDataTabUnlock(space);
if (sem_close(ressourceSemFd) < 0) { if(sem_close(ressourceSemFd) <0){
NZG_ERROR("sem_getvalue", NZG_ERROR("sem_getvalue",ressourceSemId);
ressourceSemId);
goto ERROR; goto ERROR;
} }
// pour chaque buffer, dire s'il est libre ou pas // pour chaque buffer, dire s'il est libre ou pas
@ -72,37 +62,36 @@ int about(char *spaceId)
msgSpaceClose(space); msgSpaceClose(space);
} else { } else {
// zut, il y a soit une erreur // zut, il y a soit une erreur
NZG_ERROR("spaceListFindId : error ", spaceId); NZG_ERROR("spaceListFindId : error ",spaceId);
} }
} else { } else {
// on quitte : l'element n'existe // on quitte : l'element n'existe
fprintf(stderr, "Ident %s does not exist.\n", spaceId); fprintf(stderr,"Ident %s does not exist.\n",spaceId);
} }
} }
return 0; return 0;
ERROR: ERROR:
return -1; return -1;
} }
int main(int argc, char **argv) int main(int argc,char **argv){
{ printf("Args %d\n",argc);
printf("Args %d\n", argc); if (argc<2){
if (argc < 2) {
usage(argv[0]); usage(argv[0]);
} else { }else {
if (argc == 2) { if (argc==2){
if (strcmp("--all", argv[1]) == 0) { if (strcmp("--all",argv[1])==0){
// listing // listing
printf("[ Listing of msgSpaces ]\n"); printf("[ Listing of msgSpaces ]\n");
} else { } else {
// only one msgSpaceId // only one msgSpaceId
printf("[ About %s ]\n", argv[1]); printf("[ About %s ]\n",argv[1]);
about(argv[1]); about(argv[1]);
} }
} else { } else {
int i; int i;
for (i = 1; i < argc; i++) { for (i=1;i<argc;i++){
printf("[ About %s ]\n", argv[i]); printf("[ About %s ]\n",argv[i]);
about(argv[i]); about(argv[i]);
} }
} }

View file

@ -6,50 +6,48 @@
#include "libnazgul.h" #include "libnazgul.h"
int main(void) int main(void) {
{
// msgSpace mS=0; // msgSpace mS=0;
msgSpaceId testId; msgSpaceId testId;
msgSpace *mSPAC; msgSpace * mSPAC;
msgPool poolInfos[3]; msgPool poolInfos[3];
char *montext; char * montext;
poolInfos[0].bufferNb = 4; poolInfos[0].bufferNb=4;
poolInfos[0].bufferSize = 200; poolInfos[0].bufferSize=200;
poolInfos[1].bufferNb = 5; poolInfos[1].bufferNb=5;
poolInfos[1].bufferSize = 250; poolInfos[1].bufferSize=250;
sprintf(testId, "test%d", (int)getuid()); sprintf(testId,"test%d",(int)getuid());
printf("RequestedId: %s\n", testId); printf("RequestedId: %s\n",testId);
printf("Void size: %d\n", (int)sizeof(void)); printf("Void size: %d\n",(int)sizeof(void));
//creation de l'espace de messages //creation de l'espace de messages
mSPAC = msgSpaceCreate(testId, 1, 2, poolInfos); mSPAC=msgSpaceCreate(testId,1,2,poolInfos);
if (mSPAC == NULL) { if (mSPAC ==NULL) {
NZG_ERROR("msgSpaceCreate", testId); NZG_ERROR("msgSpaceCreate",testId);
exit(0); exit(0);
} }
printf("CREATION ------------------ ok\n"); printf("CREATION ------------------ ok\n");
mSPAC = msgSpaceOpen(testId); mSPAC=msgSpaceOpen(testId);
/***** TEST 1 *****/ /***** TEST 1 *****/
montext = msgAllocate(mSPAC, 1, 280, 0); montext=msgAllocate(mSPAC,1,280,0);
*montext = 42; *montext=42;
printf("### test Valeur0 %d ###\n", (int)*montext); printf("### test Valeur0 %d ###\n",(int)*montext);
printf("Put..."); printf("Put..."); fflush(stdout);
fflush(stdout); msgPut(mSPAC,0,montext);
msgPut(mSPAC, 0, montext);
printf("put-ok\n"); printf("put-ok\n");
printf("Get...");
fflush(stdout); printf("Get..."); fflush(stdout);
montext = msgGet(mSPAC, 0, 0); montext=msgGet(mSPAC,0,0);
printf("get-ok\n"); printf("get-ok\n");
printf("### test Reception %d ###\n", (int)*montext); printf("### test Reception %d ###\n",(int)*montext);
msgFree(mSPAC, montext); msgFree(mSPAC,montext);
/***** TEST 1 *****/ /***** TEST 1 *****/
msgSpaceDelete(testId); msgSpaceDelete(testId);
return 0; return 0;

View file

@ -6,53 +6,50 @@
#include "libnazgul.h" #include "libnazgul.h"
int main(void) int main(void) {
{
// msgSpace mS=0; // msgSpace mS=0;
msgSpaceId testId; msgSpaceId testId;
msgSpace *mSPAC; msgSpace * mSPAC;
msgPool poolInfos[3]; msgPool poolInfos[3];
char *montext; char * montext;
poolInfos[0].bufferNb = 4; poolInfos[0].bufferNb=4;
poolInfos[0].bufferSize = 200; poolInfos[0].bufferSize=200;
poolInfos[1].bufferNb = 5; poolInfos[1].bufferNb=5;
poolInfos[1].bufferSize = 250; poolInfos[1].bufferSize=250;
sprintf(testId, "test%d", (int)getuid()); sprintf(testId,"test%d",(int)getuid());
printf("RequestedId: %s\n", testId); printf("RequestedId: %s\n",testId);
printf("Void size: %d\n", (int)sizeof(void)); printf("Void size: %d\n",(int)sizeof(void));
//creation de l'espace de messages //creation de l'espace de messages
mSPAC = msgSpaceCreate(testId, 1, 2, poolInfos); mSPAC=msgSpaceCreate(testId,1,2,poolInfos);
if (mSPAC == NULL) { if (mSPAC ==NULL) {
NZG_ERROR("msgSpaceCreate", testId); NZG_ERROR("msgSpaceCreate",testId);
exit(0); exit(0);
} }
printf("CREATION ------------------ ok\n"); printf("CREATION ------------------ ok\n");
pid_t pid = fork(); pid_t pid=fork();
if (pid == 0) { if (pid==0){
sleep(2); sleep(2);
mSPAC = msgSpaceOpen(testId); mSPAC=msgSpaceOpen(testId);
montext = msgAllocate(mSPAC, 1, 280, 0); montext=msgAllocate(mSPAC,1,280,0);
*montext = 42; *montext=42;
printf("### test Valeur0 %d ###\n", (int)*montext); printf("### test Valeur0 %d ###\n",(int)*montext);
printf("Put1..."); printf("Put1..."); fflush(stdout);
fflush(stdout); msgPut(mSPAC,0,montext);
msgPut(mSPAC, 0, montext);
printf("put1-ok\n"); printf("put1-ok\n");
} else { } else {
mSPAC = msgSpaceOpen(testId); mSPAC=msgSpaceOpen(testId);
printf("Get..."); printf("Get..."); fflush(stdout);
fflush(stdout); montext=msgGet(mSPAC,0,0);
montext = msgGet(mSPAC, 0, 0);
printf("get-ok\n"); printf("get-ok\n");
printf("### test Reception %d ###\n", (int)*montext); printf("### test Reception %d ###\n",(int)*montext);
msgFree(mSPAC, montext); msgFree(mSPAC,montext);
wait(NULL); wait(NULL);
msgSpaceDelete(testId); msgSpaceDelete(testId);
} }
return 0; return 0;
} }