void cm_InitDaemon(int nDaemons)
{
static osi_once_t once;
long pid;
thread_t phandle;
int i;
cm_nDaemons = (nDaemons > CM_MAX_DAEMONS) ? CM_MAX_DAEMONS : nDaemons;
if (osi_Once(&once)) {
lock_InitializeRWLock(&cm_daemonLock, "cm_daemonLock",
LOCK_HIERARCHY_DAEMON_GLOBAL);
osi_EndOnce(&once);
/* creating IP Address Change monitor daemon */
phandle = thrd_Create((SecurityAttrib) 0, 0,
(ThreadFunc) cm_IpAddrDaemon, 0, 0, &pid, "cm_IpAddrDaemon");
osi_assertx(phandle != NULL, "cm_IpAddrDaemon thread creation failure");
thrd_CloseHandle(phandle);
/* creating pinging daemon */
phandle = thrd_Create((SecurityAttrib) 0, 0,
(ThreadFunc) cm_Daemon, 0, 0, &pid, "cm_Daemon");
osi_assertx(phandle != NULL, "cm_Daemon thread creation failure");
thrd_CloseHandle(phandle);
for(i=0; i < cm_nDaemons; i++) {
phandle = thrd_Create((SecurityAttrib) 0, 0,
(ThreadFunc) cm_BkgDaemon, (LPVOID)i, 0, &pid,
"cm_BkgDaemon");
osi_assertx(phandle != NULL, "cm_BkgDaemon thread creation failure");
thrd_CloseHandle(phandle);
}
}
}
void cm_InitCell(int newFile, long maxCells)
{
static osi_once_t once;
if (osi_Once(&once)) {
cm_cell_t * cellp;
lock_InitializeRWLock(&cm_cellLock, "cell global lock", LOCK_HIERARCHY_CELL_GLOBAL);
if ( newFile ) {
cm_data.allCellsp = NULL;
cm_data.currentCells = 0;
cm_data.maxCells = maxCells;
memset(cm_data.cellNameHashTablep, 0, sizeof(cm_cell_t *) * cm_data.cellHashTableSize);
memset(cm_data.cellIDHashTablep, 0, sizeof(cm_cell_t *) * cm_data.cellHashTableSize);
#ifdef AFS_FREELANCE_CLIENT
/* Generate a dummy entry for the Freelance cell whether or not
* freelance mode is being used in this session
*/
cellp = &cm_data.cellBaseAddress[cm_data.currentCells++];
memset(cellp, 0, sizeof(cm_cell_t));
cellp->magic = CM_CELL_MAGIC;
lock_InitializeMutex(&cellp->mx, "cm_cell_t mutex", LOCK_HIERARCHY_CELL);
lock_ObtainMutex(&cellp->mx);
lock_ObtainWrite(&cm_cellLock);
/* copy in name */
strncpy(cellp->name, "Freelance.Local.Cell", CELL_MAXNAMELEN); /*safe*/
cellp->name[CELL_MAXNAMELEN-1] = '\0';
/* thread on global list */
cellp->allNextp = cm_data.allCellsp;
cm_data.allCellsp = cellp;
cellp->cellID = AFS_FAKE_ROOT_CELL_ID;
cellp->vlServersp = NULL;
_InterlockedOr(&cellp->flags, CM_CELLFLAG_FREELANCE);
cm_AddCellToNameHashTable(cellp);
cm_AddCellToIDHashTable(cellp);
lock_ReleaseWrite(&cm_cellLock);
lock_ReleaseMutex(&cellp->mx);
#endif
} else {
lock_ObtainRead(&cm_cellLock);
for (cellp = cm_data.allCellsp; cellp; cellp=cellp->allNextp) {
lock_InitializeMutex(&cellp->mx, "cm_cell_t mutex", LOCK_HIERARCHY_CELL);
cellp->vlServersp = NULL;
_InterlockedOr(&cellp->flags, CM_CELLFLAG_VLSERVER_INVALID);
}
lock_ReleaseRead(&cm_cellLock);
}
osi_EndOnce(&once);
}
}
cm_space_t *cm_GetSpace(void)
{
cm_space_t *tsp;
if (osi_Once(&cm_utilsOnce)) {
lock_InitializeRWLock(&cm_utilsLock, "cm_utilsLock", LOCK_HIERARCHY_UTILS_GLOBAL);
osi_EndOnce(&cm_utilsOnce);
}
lock_ObtainWrite(&cm_utilsLock);
if (tsp = cm_spaceListp) {
cm_spaceListp = tsp->nextp;
}
else tsp = (cm_space_t *) malloc(sizeof(cm_space_t));
(void) memset(tsp, 0, sizeof(cm_space_t));
lock_ReleaseWrite(&cm_utilsLock);
return tsp;
}
void cm_InitDaemon(int nDaemons)
{
static osi_once_t once;
pthread_t phandle;
pthread_attr_t tattr;
int pstatus;
int i;
pthread_attr_init(&tattr);
pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED);
cm_nDaemons = (nDaemons > CM_MAX_DAEMONS) ? CM_MAX_DAEMONS : nDaemons;
if (osi_Once(&once)) {
/* creating IP Address Change monitor daemon */
pstatus = pthread_create(&phandle, &tattr, cm_IpAddrDaemon, 0);
osi_assertx(pstatus == 0, "cm_IpAddrDaemon thread creation failure");
/* creating pinging daemon */
pstatus = pthread_create(&phandle, &tattr, cm_Daemon, 0);
osi_assertx(pstatus == 0, "cm_Daemon thread creation failure");
pstatus = pthread_create(&phandle, &tattr, cm_LockDaemon, 0);
osi_assertx(pstatus == 0, "cm_LockDaemon thread creation failure");
cm_bkgListpp = malloc(nDaemons * sizeof(void *));
cm_bkgListEndpp = malloc(nDaemons * sizeof(void *));
cm_bkgQueueCountp = malloc(nDaemons * sizeof(afs_uint64));
cm_daemonLockp = malloc(nDaemons * sizeof(osi_rwlock_t));
for(i=0; i < cm_nDaemons; i++) {
lock_InitializeRWLock(&cm_daemonLockp[i], "cm_daemonLock",
LOCK_HIERARCHY_DAEMON_GLOBAL);
cm_bkgListpp[i] = cm_bkgListEndpp[i] = NULL;
cm_bkgQueueCountp[i]=0;
pstatus = pthread_create(&phandle, &tattr, cm_BkgDaemon, (LPVOID)(LONG_PTR)i);
osi_assertx(pstatus == 0, "cm_BkgDaemon thread creation failure");
}
osi_EndOnce(&once);
}
pthread_attr_destroy(&tattr);
}
/*
* Initialize the cache to have an entries. Called during system startup.
*/
long cm_InitACLCache(int newFile, long size)
{
cm_aclent_t *aclp;
long i;
static osi_once_t once;
if (osi_Once(&once)) {
lock_InitializeRWLock(&cm_aclLock, "cm_aclLock", LOCK_HIERARCHY_ACL_GLOBAL);
osi_EndOnce(&once);
}
lock_ObtainWrite(&cm_aclLock);
if ( newFile ) {
cm_data.aclLRUp = cm_data.aclLRUEndp = NULL;
aclp = (cm_aclent_t *) cm_data.aclBaseAddress;
memset(aclp, 0, size * sizeof(cm_aclent_t));
/*
* Put all of these guys on the LRU queue
*/
for (i = 0; i < size; i++) {
aclp->magic = CM_ACLENT_MAGIC;
osi_QAddH((osi_queue_t **) &cm_data.aclLRUp, (osi_queue_t **) &cm_data.aclLRUEndp, &aclp->q);
aclp++;
}
} else {
aclp = (cm_aclent_t *) cm_data.aclBaseAddress;
for (i = 0; i < size; i++) {
aclp->userp = NULL;
aclp->tgtLifetime = 0;
aclp++;
}
}
lock_ReleaseWrite(&cm_aclLock);
return 0;
}
main_BasicTest(HANDLE hWnd)
{
long mod1ID;
long mod2ID;
long scan1ID;
long scan2ID;
HANDLE mod1Handle;
HANDLE mod2Handle;
HANDLE scan1Handle;
HANDLE scan2Handle;
long localDone;
osi_Init();
if (main_logp == NULL) {
main_logp = osi_LogCreate("basic", 0);
osi_LogEnable(main_logp);
osi_SetStatLog(main_logp);
}
/* create three processes, two modifiers and one scanner. The scanner
* checks that the basic invariants are being maintained, while the
* modifiers modify the global variables, maintaining certain invariants
* by using locks.
*
* The invariant is that global variables a and b total 100.
*/
a = 100;
b = 0;
done = 0;
lock_InitializeRWLock(&main_doneRWLock, "done lock");
lock_InitializeRWLock(&main_bRWLock, "b lock");
lock_InitializeMutex(&main_aMutex, "a mutex");
mod1Handle = CreateThread((SECURITY_ATTRIBUTES *) 0, 0,
(LPTHREAD_START_ROUTINE) main_Mod1, 0, 0, &mod1ID);
if (mod1Handle == NULL) return -1;
mod2Handle = CreateThread((SECURITY_ATTRIBUTES *) 0, 0,
(LPTHREAD_START_ROUTINE) main_Mod2, 0, 0, &mod2ID);
if (mod2Handle == NULL) return -2;
scan1Handle = CreateThread((SECURITY_ATTRIBUTES *) 0, 0,
(LPTHREAD_START_ROUTINE) main_Scan1, 0, 0, &scan1ID);
if (scan1Handle== NULL) return -2;
scan2Handle = CreateThread((SECURITY_ATTRIBUTES *) 0, 0,
(LPTHREAD_START_ROUTINE) main_Scan2, 0, 0, &scan2ID);
if (scan2Handle== NULL) return -2;
/* start running check daemon */
while (1) {
Sleep(1000);
wsprintf(main_screenText[1], "Mod1 iteration %d", m1Loops);
wsprintf(main_screenText[2], "Mod2 iteration %d", m2Loops);
wsprintf(main_screenText[3], "Scan1 iteration %d", s1Loops);
wsprintf(main_screenText[4], "Scan2 iteration %d, %d opportunites seen",
s2Loops, s2Events);
main_ForceDisplay(hWnd);
/* copy out count of # of dudes finished */
lock_ObtainRead(&main_doneRWLock);
localDone = done;
lock_ReleaseRead(&main_doneRWLock);
/* right now, we're waiting for 4 threads */
if (localDone == 4) break;
}
wsprintf(main_screenText[0], "Test done.");
main_ForceDisplay(hWnd);
/* done, release and finalize all locks */
lock_FinalizeRWLock(&main_doneRWLock);
lock_FinalizeRWLock(&main_bRWLock);
lock_FinalizeMutex(&main_aMutex);
/* finally clean up thread handles */
CloseHandle(mod1Handle);
CloseHandle(mod2Handle);
CloseHandle(scan1Handle);
CloseHandle(scan2Handle);
return 0;
}