c_char*
cmx_readerSnapshotNew(
const c_char* reader)
{
u_entity e;
c_char* result;
struct cmx_readerSnapshotArg arg;
os_mutex m;
arg.success = FALSE;
result = NULL;
e = cmx_entityUserEntity(reader);
if(e != NULL){
u_entityAction(e, cmx_readerSnapshotNewAction, &arg);
if(arg.success == TRUE){
m = cmx_getReaderSnapshotMutex();
os_mutexLock(&m);
readerSnapshots = c_iterInsert(readerSnapshots, arg.snapshot);
os_mutexUnlock(&m);
result = (c_char*)(os_malloc(60));
os_sprintf(result, "<readerSnapshot><id>"PA_ADDRFMT"</id></readerSnapshot>", (c_address)(arg.snapshot));
}
}
return result;
}
cmx_readerSnapshot
cmx_readerSnapshotLookup(
const c_char* snapshot)
{
c_char* copy;
c_char* temp;
cmx_readerSnapshot s;
os_mutex m;
s = NULL;
if(snapshot != NULL){
copy = (c_char*)(os_malloc(strlen(snapshot) + 1));
os_strcpy(copy, snapshot);
temp = strtok((c_char*)copy, "</>"); /*<readerSnapshot>*/
temp = strtok(NULL, "</>"); /*<id>*/
temp = strtok(NULL, "</>"); /*... the pointer*/
if(temp != NULL){
sscanf(temp, PA_ADDRFMT, (c_address *)(&s));
m = cmx_getReaderSnapshotMutex();
os_mutexLock(&m);
if(c_iterContains(readerSnapshots, s) == FALSE){
s = NULL;
}
os_mutexUnlock(&m);
}
os_free(copy);
}
return s;
}
void
cmx_readerSnapshotFree(
c_char* snapshot)
{
cmx_readerSnapshot s;
c_char* sample;
os_mutex m;
s = cmx_readerSnapshotLookup(snapshot);
if(s != NULL){
m = cmx_getReaderSnapshotMutex();
os_mutexLock(&m);
c_iterTake(readerSnapshots, s);
os_mutexUnlock(&m);
if(s->samples != NULL){
sample = (c_char*)(c_iterTakeFirst(s->samples));
while(sample != NULL){
os_free(sample);
sample = (c_char*)(c_iterTakeFirst(s->samples));
}
c_iterFree(s->samples);
}
os_free(s);
os_free(snapshot);
}
}
void
cmx_readerSnapshotFreeAll()
{
cmx_readerSnapshot s;
c_char* sample;
os_mutex m;
m = cmx_getReaderSnapshotMutex();
os_mutexLock(&m);
s = cmx_readerSnapshot(c_iterTakeFirst(readerSnapshots));
while(s != NULL){
if(s->samples != NULL){
sample = (c_char*)(c_iterTakeFirst(s->samples));
while(sample != NULL){
os_free(sample);
sample = (c_char*)(c_iterTakeFirst(s->samples));
}
c_iterFree(s->samples);
}
os_free(s);
s = cmx_readerSnapshot(c_iterTakeFirst(readerSnapshots));
}
os_mutexUnlock(&m);
}
c_char*
cmx_readerSnapshotNew(
const c_char* reader)
{
cmx_entity ce;
c_char* result;
struct cmx_readerSnapshotArg arg;
os_mutex m;
arg.success = FALSE;
result = NULL;
ce = cmx_entityClaim(reader);
if(ce != NULL){
if (u_observableAction(u_observable(ce->uentity),
cmx_readerSnapshotNewAction,
&arg) == U_RESULT_OK)
{
if(arg.success == TRUE){
m = cmx_getReaderSnapshotMutex();
os_mutexLock(&m);
readerSnapshots = c_iterInsert(readerSnapshots, arg.snapshot);
os_mutexUnlock(&m);
result = (c_char*)(os_malloc(60));
os_sprintf(result,
"<readerSnapshot><id>"PA_ADDRFMT"</id></readerSnapshot>",
(c_address)(arg.snapshot));
}
}
cmx_entityRelease(ce);
}
return result;
}
