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