IonVdb * createIonVdb(char * ionvdbName)
{
IonVdb *vdb = NULL;
PsmAddress vdbAddress;
PsmAddress elt;
Sdr sdr;
PsmPartition ionwm;
IonDB iondb;
char * name = ionvdbName;
/* Attaching to volatile database. */
ionwm = getIonwm();
if (psm_locate(ionwm, name, &vdbAddress, &elt) < 0)
{
putErrmsg("Failed searching for vdb.", name);
return NULL;
}
if (elt)
{
vdb = (IonVdb *) psp(ionwm, vdbAddress);
}
if (vdb != NULL)
return vdb;
/* ION volatile database doesn't exist yet. */
sdr = getIonsdr();
CHKNULL(sdr_begin_xn(sdr)); /* To lock memory. */
vdbAddress = psm_zalloc(ionwm, sizeof(IonVdb));
if (vdbAddress == 0)
{
sdr_exit_xn(sdr);
putErrmsg("No space for volatile database.", name);
return NULL;
}
vdb = (IonVdb *) psp(ionwm, vdbAddress);
memset((char *) vdb, 0, sizeof(IonVdb));
if ((vdb->nodes = sm_rbt_create(ionwm)) == 0
|| (vdb->neighbors = sm_rbt_create(ionwm)) == 0
|| (vdb->contactIndex = sm_rbt_create(ionwm)) == 0
|| (vdb->rangeIndex = sm_rbt_create(ionwm)) == 0
|| (vdb->timeline = sm_rbt_create(ionwm)) == 0
|| (vdb->probes = sm_list_create(ionwm)) == 0
|| (vdb->requisitions[0] = sm_list_create(ionwm)) == 0
|| (vdb->requisitions[1] = sm_list_create(ionwm)) == 0
|| psm_catlg(ionwm, name, vdbAddress) < 0)
{
sdr_exit_xn(sdr);
putErrmsg("Can't initialize volatile database.", name);
return NULL;
}
vdb->clockPid = ERROR; /* None yet. */
sdr_read(sdr, (char *) &iondb, getIonDbObject(), sizeof(IonDB));
vdb->deltaFromUTC = iondb.deltaFromUTC;
sdr_exit_xn(sdr); /* Unlock memory. */
//fprintf(stderr, "ionVdb created: %d\n", getOwnNodeNbr());
return vdb;
}
static IonVdb *_ionvdb(char **name)
{
static IonVdb *vdb = NULL;
PsmAddress vdbAddress;
PsmAddress elt;
Sdr sdr;
PsmPartition ionwm;
if (name)
{
if (*name == NULL) /* Terminating. */
{
vdb = NULL;
return vdb;
}
/* Attaching to volatile database. */
ionwm = _ionwm(NULL);
if (psm_locate(ionwm, *name, &vdbAddress, &elt) < 0)
{
putErrmsg("Failed searching for vdb.", NULL);
return vdb;
}
if (elt)
{
vdb = (IonVdb *) psp(ionwm, vdbAddress);
return vdb;
}
/* ION volatile database doesn't exist yet. */
sdr = _ionsdr(NULL);
sdr_begin_xn(sdr); /* Just to lock memory. */
vdbAddress = psm_zalloc(ionwm, sizeof(IonVdb));
if (vdbAddress == 0)
{
sdr_exit_xn(sdr);
putErrmsg("No space for volatile database.", NULL);
return NULL;
}
vdb = (IonVdb *) psp(ionwm, vdbAddress);
memset((char *) vdb, 0, sizeof(IonVdb));
if ((vdb->nodes = sm_list_create(ionwm)) == 0
|| (vdb->neighbors = sm_list_create(ionwm)) == 0
|| (vdb->probes = sm_list_create(ionwm)) == 0
|| psm_catlg(ionwm, *name, vdbAddress) < 0)
{
sdr_exit_xn(sdr);
putErrmsg("Can't initialize volatile database.", NULL);
return NULL;
}
vdb->deltaFromUTC = (_ionConstants())->deltaFromUTC;
sdr_exit_xn(sdr); /* Unlock memory. */
}
return vdb;
}
static IonVdb *_ionvdb(char **name)
{
static IonVdb *vdb = NULL;
PsmAddress vdbAddress;
PsmAddress elt;
Sdr sdr;
PsmPartition ionwm;
IonDB iondb;
if (name)
{
if (*name == NULL) /* Terminating. */
{
vdb = NULL;
return vdb;
}
/* Attaching to volatile database. */
ionwm = _ionwm(NULL);
if (psm_locate(ionwm, *name, &vdbAddress, &elt) < 0)
{
putErrmsg("Failed searching for vdb.", *name);
return NULL;
}
if (elt)
{
vdb = (IonVdb *) psp(ionwm, vdbAddress);
return vdb;
}
/* ION volatile database doesn't exist yet. */
sdr = _ionsdr(NULL);
CHKNULL(sdr_begin_xn(sdr)); /* To lock memory. */
vdbAddress = psm_zalloc(ionwm, sizeof(IonVdb));
if (vdbAddress == 0)
{
sdr_exit_xn(sdr);
putErrmsg("No space for volatile database.", *name);
return NULL;
}
vdb = (IonVdb *) psp(ionwm, vdbAddress);
memset((char *) vdb, 0, sizeof(IonVdb));
vdb->zcoSemaphore = sm_SemCreate(SM_NO_KEY, SM_SEM_FIFO);
if (vdb->zcoSemaphore == SM_SEM_NONE)
{
sdr_exit_xn(sdr);
putErrmsg("Can't initialize volatile database.", *name);
return NULL;
}
sm_SemTake(vdb->zcoSemaphore); /* Lock it. */
if ((vdb->nodes = sm_rbt_create(ionwm)) == 0
|| (vdb->neighbors = sm_rbt_create(ionwm)) == 0
|| (vdb->contactIndex = sm_rbt_create(ionwm)) == 0
|| (vdb->rangeIndex = sm_rbt_create(ionwm)) == 0
|| (vdb->timeline = sm_rbt_create(ionwm)) == 0
|| (vdb->probes = sm_list_create(ionwm)) == 0
|| psm_catlg(ionwm, *name, vdbAddress) < 0)
{
sdr_exit_xn(sdr);
putErrmsg("Can't initialize volatile database.", *name);
return NULL;
}
vdb->clockPid = ERROR; /* None yet. */
sdr_read(sdr, (char *) &iondb, _iondbObject(NULL),
sizeof(IonDB));
vdb->deltaFromUTC = iondb.deltaFromUTC;
sdr_exit_xn(sdr); /* Unlock memory. */
}
return vdb;
}
