version 1.37, 2003/11/07 19:18:46
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version 1.38, 2004/08/12 10:47:43
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// | // |
// Author: Mike Brasher (mbrasher@bmc.com) | // Author: Mike Brasher (mbrasher@bmc.com) |
// | // |
// Modified By: |
// Modified By: Amit K Arora, IBM (amita@in.ibm.com) for Bug#1090 |
// | // |
//%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
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void MessageQueue::remove_myself(Uint32 qid) | void MessageQueue::remove_myself(Uint32 qid) |
{ | { |
q_table_mut.lock(pegasus_thread_self()); |
AutoMutex autoMut(q_table_mut); |
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_queueTable.remove(qid); | _queueTable.remove(qid); |
q_table_mut.unlock(); |
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} | } |
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// | // |
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static Mutex _id_mut ; | static Mutex _id_mut ; |
_id_mut.lock(pegasus_thread_self()); |
AutoMutex autoMut(_id_mut); |
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Uint32 queueId; | Uint32 queueId; |
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queueId = _nextQueueId++; | queueId = _nextQueueId++; |
} while (lookup(queueId) != 0); | } while (lookup(queueId) != 0); |
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// |
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// Unlock mutex: |
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// |
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_id_mut.unlock(); |
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return queueId; | return queueId; |
} | } |
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// Insert into queue table: | // Insert into queue table: |
// | // |
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q_table_mut.lock(pegasus_thread_self()); |
AutoMutex autoMut(q_table_mut); |
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while (!_queueTable.insert(_queueId, this)) | while (!_queueTable.insert(_queueId, this)) |
; | ; |
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q_table_mut.unlock(); |
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PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
} | } |
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Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL3, | Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL3, |
"MessageQueue::~MessageQueue queueId = %i, name = %s", _queueId, _name); | "MessageQueue::~MessageQueue queueId = %i, name = %s", _queueId, _name); |
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q_table_mut.lock(pegasus_thread_self()); |
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{ |
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AutoMutex autoMut(q_table_mut); |
_queueTable.remove(_queueId); | _queueTable.remove(_queueId); |
q_table_mut.unlock(); |
} // mutex unlocks here |
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// Free the name: | // Free the name: |
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MessageTypeToString(message->getType()), | MessageTypeToString(message->getType()), |
message->getKey() ); | message->getKey() ); |
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_mut.lock(pegasus_thread_self()); |
{ |
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AutoMutex autoMut(_mut); |
if (_back) | if (_back) |
{ | { |
_back->_next = message; | _back->_next = message; |
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Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL4, | Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL4, |
"MessageQueue::enqueue _queueId = %d, _count = %d", _queueId, _count); | "MessageQueue::enqueue _queueId = %d, _count = %d", _queueId, _count); |
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_mut.unlock(); |
} // mutex unlocks here |
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handleEnqueue(); | handleEnqueue(); |
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
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{ | { |
PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE,"MessageQueue::dequeue()"); | PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE,"MessageQueue::dequeue()"); |
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_mut.lock(pegasus_thread_self()); |
AutoMutex autoMut(_mut); |
if (_front) | if (_front) |
{ | { |
Message* message = _front; | Message* message = _front; |
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"MessageQueue::dequeue _queueId = %d, _count = %d", | "MessageQueue::dequeue _queueId = %d, _count = %d", |
_queueId, _count); | _queueId, _count); |
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_mut.unlock(); |
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message->_next = 0; | message->_next = 0; |
message->_prev = 0; | message->_prev = 0; |
message->_owner = 0; | message->_owner = 0; |
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PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
return message; | return message; |
} | } |
_mut.unlock(); |
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PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
return 0; | return 0; |
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throw NoSuchMessageOnQueue(); | throw NoSuchMessageOnQueue(); |
} | } |
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_mut.lock(pegasus_thread_self()); |
{ |
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AutoMutex autoMut(_mut); |
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if (message->_next) | if (message->_next) |
message->_next->_prev = message->_prev; | message->_next->_prev = message->_prev; |
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Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL4, | Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL4, |
"MessageQueue::remove _count = %d", _count); | "MessageQueue::remove _count = %d", _count); |
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_mut.unlock(); |
} // mutex unlocks here |
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message->_prev = 0; | message->_prev = 0; |
message->_next = 0; | message->_next = 0; |
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Message* MessageQueue::findByType(Uint32 type) throw(IPCException) | Message* MessageQueue::findByType(Uint32 type) throw(IPCException) |
{ | { |
_mut.lock(pegasus_thread_self()); |
AutoMutex autoMut(_mut); |
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for (Message* m = front(); m; m = m->getNext()) | for (Message* m = front(); m; m = m->getNext()) |
{ | { |
if (m->getType() == type) | if (m->getType() == type) |
{ | { |
_mut.unlock(); |
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return m; | return m; |
} | } |
} | } |
_mut.unlock(); |
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return 0; | return 0; |
} | } |
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Message* MessageQueue::findByKey(Uint32 key) throw(IPCException) | Message* MessageQueue::findByKey(Uint32 key) throw(IPCException) |
{ | { |
_mut.lock(pegasus_thread_self()); |
AutoMutex autoMut(_mut); |
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for (Message* m = front(); m; m = m->getNext()) | for (Message* m = front(); m; m = m->getNext()) |
{ | { |
if (m->getKey() == key) | if (m->getKey() == key) |
{ | { |
_mut.unlock(); |
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return m; | return m; |
} | } |
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} | } |
_mut.unlock(); |
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return 0; | return 0; |
} | } |
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void MessageQueue::print(ostream& os) const throw(IPCException) | void MessageQueue::print(ostream& os) const throw(IPCException) |
{ | { |
const_cast<MessageQueue *>(this)->_mut.lock(pegasus_thread_self()); |
AutoMutex autoMut(const_cast<MessageQueue *>(this)->_mut); |
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for (const Message* m = front(); m; m = m->getNext()) | for (const Message* m = front(); m; m = m->getNext()) |
m->print(os); | m->print(os); |
const_cast<MessageQueue *>(this)->_mut.unlock(); |
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} | } |
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Message* MessageQueue::find(Uint32 type, Uint32 key) throw(IPCException) | Message* MessageQueue::find(Uint32 type, Uint32 key) throw(IPCException) |
{ | { |
_mut.lock(pegasus_thread_self()); |
AutoMutex autoMut(_mut); |
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for (Message* m = front(); m; m = m->getNext()) | for (Message* m = front(); m; m = m->getNext()) |
{ | { |
if (m->getType() == type && m->getKey() == key) | if (m->getType() == type && m->getKey() == key) |
{ | { |
_mut.unlock(); |
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return m; | return m; |
} | } |
} | } |
_mut.unlock(); |
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return 0; | return 0; |
} | } |
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{ | { |
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MessageQueue* queue = 0; | MessageQueue* queue = 0; |
q_table_mut.lock(pegasus_thread_self()); |
AutoMutex autoMut(q_table_mut); |
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if (_queueTable.lookup(queueId, queue)) | if (_queueTable.lookup(queueId, queue)) |
{ | { |
q_table_mut.unlock(); |
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return queue; | return queue; |
} | } |
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// Not found! | // Not found! |
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q_table_mut.unlock(); |
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Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL3, | Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL3, |
"MessageQueue::lookup failure queueId = %i", queueId); | "MessageQueue::lookup failure queueId = %i", queueId); |
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if(name == NULL) | if(name == NULL) |
throw NullPointer(); | throw NullPointer(); |
q_table_mut.lock(pegasus_thread_self()); |
AutoMutex autoMut(q_table_mut); |
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for(QueueTable::Iterator i = _queueTable.start(); i; i++) | for(QueueTable::Iterator i = _queueTable.start(); i; i++) |
{ | { |
// ATTN: Need to decide how many characters to compare in queue names | // ATTN: Need to decide how many characters to compare in queue names |
if(! strcmp( ((MessageQueue *)i.value())->getQueueName(), name) ) | if(! strcmp( ((MessageQueue *)i.value())->getQueueName(), name) ) |
{ | { |
q_table_mut.unlock(); |
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return( (MessageQueue *)i.value()); | return( (MessageQueue *)i.value()); |
} | } |
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} | } |
q_table_mut.unlock(); |
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Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL3, | Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL3, |
"MessageQueue::lookup failure - name = %s", name); | "MessageQueue::lookup failure - name = %s", name); |