MessageQueue::MessageQueue(const char* name)
: _queueId(getNextQueueId())
{
//
// Copy the name:
//
PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE,"MessageQueue::MessageQueue()");
if (!name)
{
name = "";
}
_name = new char[strlen(name) + 1];
strcpy(_name, name);
PEG_TRACE((TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL3,
"MessageQueue::MessageQueue name = %s, queueId = %u", name, _queueId));
//
// Insert into queue table:
//
AutoMutex autoMut(q_table_mut);
while (!_queueTable.insert(_queueId, this))
;
PEG_METHOD_EXIT();
}
MessageQueue::MessageQueue(
const char* name,
Boolean async,
Uint32 queueId)
: _queueId(queueId), _capabilities(0), _count(0), _front(0), _back(0), _async(async)
{
//
// Copy the name:
//
PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE,"MessageQueue::MessageQueue()");
if (!name)
name = "";
_name = new char[strlen(name) + 1];
strcpy(_name, name);
Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL3,
"MessageQueue::MessageQueue name = %s, queueId = %u", name, queueId);
//
// Insert into queue table:
//
AutoMutex autoMut(q_table_mut);
while (!_queueTable.insert(_queueId, this))
;
PEG_METHOD_EXIT();
}
MessageQueue::~MessageQueue()
{
// ATTN-A: thread safety!
PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE,"MessageQueue::~MessageQueue()");
Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL3,
"MessageQueue::~MessageQueue queueId = %i, name = %s", _queueId, _name);
{
AutoMutex autoMut(q_table_mut);
_queueTable.remove(_queueId);
} // mutex unlocks here
// Free the name:
delete [] _name;
while(_front)
{
Message* tmp = _front;
_front = _front->_next;
delete tmp;
}
PEG_METHOD_EXIT();
}
MessageQueue* MessageQueue::lookup(Uint32 queueId)
{
MessageQueue* queue = 0;
AutoMutex autoMut(q_table_mut);
if (_queueTable.lookup(queueId, queue))
{
return queue;
}
// Not found!
PEG_TRACE((TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL1,
"MessageQueue::lookup failure queueId = %u", queueId));
return 0;
}
MessageQueue* MessageQueue::lookup(const char *name)
{
if (name == NULL)
throw NullPointer();
AutoMutex autoMut(q_table_mut);
for (QueueTable::Iterator i = _queueTable.start(); i; i++)
{
// ATTN: Need to decide how many characters to compare in queue names
if (!strcmp(((MessageQueue *)i.value())->getQueueName(), name))
{
return (MessageQueue *)i.value();
}
}
PEG_TRACE((TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL1,
"MessageQueue::lookup failure - name = %s", name));
return 0;
}
MessageQueue::~MessageQueue()
{
// ATTN-A: thread safety!
PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE,"MessageQueue::~MessageQueue()");
PEG_TRACE((TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL3,
"MessageQueue::~MessageQueue queueId = %i, name = %s",
_queueId,
_name));
{
AutoMutex autoMut(q_table_mut);
_queueTable.remove(_queueId);
} // mutex unlocks here
// Free the name:
delete [] _name;
// Return the queue id.
putQueueId(_queueId);
PEG_METHOD_EXIT();
}
void MessageQueue::remove_myself(Uint32 qid)
{
AutoMutex autoMut(q_table_mut);
_queueTable.remove(qid);
}