/**************************************************************
* private functions
**************************************************************/
static void
v_serviceWatchSplicedaemon(
v_service service)
{
v_kernel k;
v_serviceManager m;
v_serviceState splicedState;
k = v_objectKernel(service);
m = v_getServiceManager(k);
splicedState = v_serviceManagerGetServiceState(m, V_SPLICED_NAME);
v_observableAddObserver(v_observable(splicedState), v_observer(service), NULL);
}
static void
cmx_participantInitDetach(
v_public entity,
c_voidp args)
{
v_kernel k;
v_serviceManager m;
v_serviceState splicedState;
OS_UNUSED_ARG(args);
k = v_objectKernel(entity);
m = v_getServiceManager(k);
splicedState = v_serviceManagerGetServiceState(m, V_SPLICED_NAME);
v_observableAddObserver(v_observable(splicedState), v_observer(entity), V_EVENTMASK_ALL, NULL);
}
/**************************************************************
* constructor/destructor
**************************************************************/
u_service
u_serviceNew(
const c_char *uri,
c_long timeout,
const c_char *name,
const c_char *extendedStateName,
u_serviceKind kind,
v_qos qos)
{
u_domain domain;
v_kernel kk;
v_service ks;
v_serviceManager sm;
u_service s;
u_result r;
os_result osr;
c_bool serviceTermHandlerRequired = FALSE;
ks = NULL;
r = u_domainOpen(&domain, uri, timeout);
if (r != U_RESULT_OK) {
OS_REPORT_1(OS_ERROR,"u_serviceNew",0,
"Failure to open the kernel - return code %d", r);
return NULL;
}
s = NULL;
if (domain != NULL) {
r = u_entityWriteClaim(u_entity(domain),(v_entity*)(&kk));
if (r == U_RESULT_OK) {
assert(kk);
sm = v_getServiceManager(kk);
if (sm != NULL) {
#ifndef INTEGRITY
if (lockPages(kk, name)) {
osr = os_procMLockAll(OS_MEMLOCK_CURRENT|OS_MEMLOCK_FUTURE);
} else {
osr = os_resultSuccess;
}
if (osr == os_resultSuccess) {
#endif
switch(kind){
case U_SERVICE_DDSI:
case U_SERVICE_DDSIE:
case U_SERVICE_NETWORKING:
ks = v_service(v_networkingNew(sm, name,
extendedStateName,
(v_participantQos)qos));
serviceTermHandlerRequired = TRUE;
break;
case U_SERVICE_DURABILITY:
ks = v_service(v_durabilityNew(sm, name,
extendedStateName,
(v_participantQos)qos));
serviceTermHandlerRequired = TRUE;
break;
case U_SERVICE_CMSOAP:
ks = v_service(v_cmsoapNew(sm, name,
extendedStateName,
(v_participantQos)qos));
serviceTermHandlerRequired = TRUE;
break;
case U_SERVICE_RNR:
ks = v_service(v_rnrNew(sm, name,
extendedStateName,
(v_participantQos)qos));
serviceTermHandlerRequired = TRUE;
break;
case U_SERVICE_DBMSCONNECT:
case U_SERVICE_INCOGNITO:
ks = v_serviceNew(sm, name,
extendedStateName,
(v_participantQos)qos, NULL);
serviceTermHandlerRequired = TRUE;
break;
case U_SERVICE_SPLICED:
break;
default:
OS_REPORT(OS_WARNING,"u_serviceNew",0,
"Failed to start an unknown service kind");
break;
}
} else {
OS_REPORT(OS_ERROR,"u_serviceNew",0,
"Failed to lock memory pages for current process");
}
/* Install the service signal handlers if spliced is not within this
* same process. i.e. only do this if each service is in its own
* process so signal handlers won't interfere */
if (serviceTermHandlerRequired && !u_splicedInProcess()) {
os_procSetTerminationHandler(serviceTermHandler);
}
#ifndef INTEGRITY
} else {
OS_REPORT(OS_ERROR,"u_serviceNew",0,
"Failed to retrieve the Service Manager");
}
#endif
if (ks != NULL) {
s = u_entityAlloc(NULL,u_service,ks,TRUE);
r = u_serviceInit(s, kind, domain);
if (r != U_RESULT_OK) {
OS_REPORT_1(OS_ERROR,"u_serviceNew",0,
"Failed to initialize service: %s", name);
u_serviceFree(s);
s = NULL;
}
callbackService = s;
(void) os_signalHandlerSetExceptionCallback(u__serviceExceptionCallbackWrapper);
} else {
OS_REPORT(OS_WARNING,"u_serviceNew",0,
"Failed to retrieve the Service Manager");
}
r = u_entityRelease(u_entity(domain));
}
}
return s;
}
void
v_serviceInit(
v_service service,
const c_char *name,
const c_char *extStateName,
v_serviceType serviceType,
v_participantQos qos,
c_bool enable)
{
c_char *typeName;
os_duration lp = 300*OS_DURATION_SECOND;
v_kernel kernel;
v_serviceManager manager;
assert(service != NULL);
assert(serviceType != V_SERVICETYPE_NONE);
assert(C_TYPECHECK(service, v_service));
assert(C_TYPECHECK(qos, v_participantQos));
assert(name != NULL);
kernel = v_objectKernel(service);
manager = v_getServiceManager(kernel);
/* v_participantInit writes the DCPSParticipant and CMParticipant topics, but
* it downcasts to v_service to extract serviceType, and hence needs it available.
*/
service->serviceType = serviceType;
v_participantInit(v_participant(service), name, qos);
if(enable) {
(void)v_entityEnable(v_entity(service));
}
service->state = v_serviceManagerRegister(manager, service, extStateName);
service->lease = v_leaseMonotonicNew(kernel, lp);
service->newGroups = NULL;
if(service->lease)
{
v_result result;
result = v_leaseManagerRegister(
kernel->livelinessLM,
service->lease,
V_LEASEACTION_SERVICESTATE_EXPIRED,
v_public(service->state),
FALSE/*do not repeat */);
if(result != V_RESULT_OK)
{
c_free(service->lease);
service->lease = NULL;
OS_REPORT(OS_FATAL, "v_service", result,
"A fatal error was detected when trying to register the liveliness lease "
"to the liveliness lease manager of the kernel. The result code was %d.", result);
}
} else
{
OS_REPORT(OS_FATAL, "v_service", V_RESULT_INTERNAL_ERROR,
"Unable to create a liveliness lease! Most likely not enough shared "
"memory available to complete the operation.");
}
if(service->lease)/* aka everything is ok so far */
{
v_result result;
c_iter participants;
v_participant splicedParticipant;
participants = v_resolveParticipants(kernel, V_SPLICED_NAME);
assert(c_iterLength(participants) == 1 || 0 == strcmp(name, V_SPLICED_NAME));
splicedParticipant = v_participant(c_iterTakeFirst(participants));
if(splicedParticipant)
{
result = v_leaseManagerRegister(
v_participant(service)->leaseManager,
v_service(splicedParticipant)->lease,
V_LEASEACTION_SERVICESTATE_EXPIRED,
v_public(v_service(splicedParticipant)->state),
FALSE /* only observing, do not repeat */);
if(result != V_RESULT_OK)
{
c_free(service->lease);
service->lease = NULL;
OS_REPORT(OS_FATAL, "v_service", result,
"A fatal error was detected when trying to register the spliced's liveliness lease "
"to the lease manager of participant %p (%s). The result code was %d.", (void*)service, name, result);
}
c_free(splicedParticipant);
}
c_iterFree(participants);
}
if (service->state != NULL) {
/* check if state has correct type */
typeName = c_metaScopedName(c_metaObject(c_getType(c_object(service->state))));
if (extStateName == NULL) {
extStateName = VSERVICESTATE_NAME;
}
if (strcmp(typeName, extStateName) == 0) {
/* Splicedaemon may not observer itself! */
if (strcmp(name, V_SPLICED_NAME) != 0) {
v_serviceState splicedState;
splicedState = v_serviceManagerGetServiceState(manager, V_SPLICED_NAME);
(void)OSPL_ADD_OBSERVER(splicedState, service, V_EVENT_SERVICESTATE_CHANGED, NULL);
}
} else {
OS_REPORT(OS_ERROR, "v_service",
V_RESULT_ILL_PARAM, "Requested state type (%s) differs with existing state type (%s)",
extStateName, typeName);
c_free(service->state);
service->state = NULL;
}
os_free(typeName);
}
}
