u_subscriber
u_subscriberNew(
u_participant p,
const c_char *name,
v_subscriberQos qos,
c_bool enable)
{
u_subscriber _this = NULL;
v_subscriber ks;
v_participant kp = NULL;
u_result result;
if (name == NULL) {
name = "No name specified";
}
if (p != NULL) {
result = u_entityWriteClaim(u_entity(p),(v_entity*)(&kp));
if (result == U_RESULT_OK) {
assert(kp);
ks = v_subscriberNew(kp,name,qos,enable);
if (ks != NULL) {
_this = u_entityAlloc(p,u_subscriber,ks,TRUE);
if (_this != NULL) {
result = u_subscriberInit(_this,p);
if (result != U_RESULT_OK) {
OS_REPORT_1(OS_ERROR, "u_subscriberNew", 0,
"Initialisation failed. "
"For DataReader: <%s>.", name);
(void)u_subscriberFree(_this);
_this = NULL;
}
} else {
OS_REPORT_1(OS_ERROR, "u_subscriberNew", 0,
"Create user proxy failed. "
"For Subscriber: <%s>.", name);
}
c_free(ks);
} else {
OS_REPORT_1(OS_ERROR, "u_subscriberNew", 0,
"Create kernel entity failed. "
"For Subscriber: <%s>.", name);
}
result = u_entityRelease(u_entity(p));
if (result != U_RESULT_OK) {
OS_REPORT_1(OS_WARNING, "u_subscriberNew", 0,
"Could not release participant."
"However subscriber <%s> is created.", name);
}
} else {
OS_REPORT_1(OS_WARNING, "u_subscriberNew", 0,
"Claim Participant failed. "
"For Subscriber: <%s>.", name);
}
} else {
OS_REPORT_1(OS_ERROR,"u_subscriberNew",0,
"No Participant specified. "
"For Subscriber: <%s>", name);
}
return _this;
}
v_subscriber
v_participantGetBuiltinSubscriber(
v_participant p)
{
v_subscriberQos sQos;
v_readerQos rQos;
v_kernel kernel;
c_bool create_builtin_readers = FALSE;
assert(p != NULL);
assert(C_TYPECHECK(p, v_participant));
c_mutexLock(&p->builtinLock);
if (p->builtinSubscriber == NULL) {
kernel = v_objectKernel(p);
sQos = v_subscriberQosNew(kernel, NULL);
sQos->presentation.access_scope = V_PRESENTATION_TOPIC;
c_free(sQos->partition);
sQos->partition = c_stringNew(c_getBase(c_object(kernel)),
V_BUILTIN_PARTITION);
sQos->entityFactory.autoenable_created_entities = TRUE;
p->builtinSubscriber = v_subscriberNew(p, V_BUILTINSUBSCRIBER_NAME,
sQos, TRUE);
v_subscriberQosFree(sQos);
create_builtin_readers = TRUE;
c_mutexUnlock(&p->builtinLock);
assert(p->builtinSubscriber != NULL);
rQos = v_readerQosNew(kernel, NULL);
rQos->durability.kind = V_DURABILITY_TRANSIENT;
rQos->reliability.kind = V_RELIABILITY_RELIABLE;
rQos->history.kind = V_HISTORY_KEEPLAST;
rQos->history.depth = 1;
#define _CREATE_READER_(topicName) {\
q_expr expr; \
v_dataReader dr; \
expr = q_parse("select * from " topicName);\
dr = v_dataReaderNew(p->builtinSubscriber, topicName "Reader", \
expr, NULL, rQos, TRUE);\
c_free(dr); \
q_dispose(expr); \
}
_CREATE_READER_(V_PARTICIPANTINFO_NAME)
_CREATE_READER_(V_TOPICINFO_NAME)
_CREATE_READER_(V_PUBLICATIONINFO_NAME)
_CREATE_READER_(V_SUBSCRIPTIONINFO_NAME)
#undef _CREATE_READER_
v_readerQosFree(rQos);
} else {
c_mutexUnlock(&p->builtinLock);
}
return c_keep(p->builtinSubscriber);
}
