version 1.28, 2002/07/19 23:00:25
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version 1.32.2.5, 2002/10/31 15:24:27
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// | // |
//%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
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#include <Pegasus/Common/Config.h> |
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#include <cstring> |
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#include "Monitor.h" | #include "Monitor.h" |
#include "MessageQueue.h" |
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#include "Socket.h" |
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#include <Pegasus/Common/Tracer.h> |
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#include <Pegasus/Common/HTTPConnection.h> |
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#ifdef PEGASUS_OS_TYPE_WINDOWS | #ifdef PEGASUS_OS_TYPE_WINDOWS |
# if defined(FD_SETSIZE) && FD_SETSIZE != 1024 | # if defined(FD_SETSIZE) && FD_SETSIZE != 1024 |
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static struct timeval create_time = {0, 1}; | static struct timeval create_time = {0, 1}; |
static struct timeval destroy_time = {15, 0}; | static struct timeval destroy_time = {15, 0}; |
static struct timeval deadlock_time = {0, 0}; |
static struct timeval deadlock_time = {300, 0}; |
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//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
// | // |
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//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
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Monitor::Monitor() | Monitor::Monitor() |
: _module_handle(0), _controller(0), _async(false) |
: _async(false) |
{ | { |
Socket::initializeInterface(); | Socket::initializeInterface(); |
_rep = 0; | _rep = 0; |
_entries.reserveCapacity(128); |
_entries.reserveCapacity(32); |
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int i = 0; |
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for( ; i < 32; i++ ) |
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{ |
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_MonitorEntry entry(0, 0, 0); |
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_entries.append(entry); |
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} |
} | } |
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Monitor::Monitor(Boolean async) | Monitor::Monitor(Boolean async) |
: _module_handle(0), _controller(0), _async(async) |
: _async(async) |
{ | { |
Socket::initializeInterface(); | Socket::initializeInterface(); |
_rep = 0; | _rep = 0; |
_entries.reserveCapacity(128); |
_entries.reserveCapacity(32); |
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int i = 0; |
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for( ; i < 32; i++ ) |
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{ |
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_MonitorEntry entry(0, 0, 0); |
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_entries.append(entry); |
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} |
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if( _async == true ) | if( _async == true ) |
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{ | { |
_thread_pool = new ThreadPool(0, | _thread_pool = new ThreadPool(0, |
"Monitor", | "Monitor", |
0, |
1, |
0, | 0, |
create_time, | create_time, |
destroy_time, | destroy_time, |
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Tracer::trace(TRC_HTTP, Tracer::LEVEL4, | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
"deregistering with module controller"); | "deregistering with module controller"); |
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if(_module_handle != NULL) |
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{ |
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_controller->deregister_module(PEGASUS_MODULENAME_MONITOR); |
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_controller = 0; |
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delete _module_handle; |
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} |
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Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "deleting rep"); | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "deleting rep"); |
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Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "uninitializing interface"); | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "uninitializing interface"); |
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gettimeofday(&now, NULL); | gettimeofday(&now, NULL); |
int dead_threads = 0; | int dead_threads = 0; |
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if( now.tv_sec - last.tv_sec > 0 ) |
if( now.tv_sec - last.tv_sec > 300 ) |
{ | { |
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PEGASUS_STD(cout) << "Monitor Thread Pool currently has " << |
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_thread_pool->running_count() + |
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_thread_pool->pool_count() << " Threads." << PEGASUS_STD(endl); |
gettimeofday(&last, NULL); | gettimeofday(&last, NULL); |
try | try |
{ | { |
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dead_threads = _thread_pool->kill_dead_threads(); | dead_threads = _thread_pool->kill_dead_threads(); |
} | } |
catch(IPCException& ) | catch(IPCException& ) |
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struct timeval tv = {0,1}; | struct timeval tv = {0,1}; |
fd_set fdread; | fd_set fdread; |
FD_ZERO(&fdread); | FD_ZERO(&fdread); |
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_entry_mut.lock(pegasus_thread_self()); |
_entries_mut.lock(pegasus_thread_self()); |
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for( int indx = 0; indx < (int)_entries.size(); indx++) | for( int indx = 0; indx < (int)_entries.size(); indx++) |
{ | { |
if(_entries[indx]._status == _MonitorEntry::IDLE) |
if(_entries[indx]._status.value() == _MonitorEntry::IDLE) |
{ | { |
FD_SET(_entries[indx].socket, &fdread); | FD_SET(_entries[indx].socket, &fdread); |
} | } |
} | } |
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int events = select(FD_SETSIZE, &fdread, NULL, NULL, &tv); | int events = select(FD_SETSIZE, &fdread, NULL, NULL, &tv); |
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#ifdef PEGASUS_OS_TYPE_WINDOWS | #ifdef PEGASUS_OS_TYPE_WINDOWS |
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MessageQueue *q = MessageQueue::lookup(_entries[indx].queueId); | MessageQueue *q = MessageQueue::lookup(_entries[indx].queueId); |
if(q == 0) | if(q == 0) |
{ | { |
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PEGASUS_STD(cout) << "Monitor:: found an empty connection slot" << PEGASUS_STD(endl); |
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try |
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{ |
_entries[indx]._status = _MonitorEntry::EMPTY; | _entries[indx]._status = _MonitorEntry::EMPTY; |
_entries_mut.unlock(); |
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return true; |
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} | } |
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catch(...) |
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{ |
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} |
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continue; |
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} |
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try |
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{ |
if(_entries[indx]._type == Monitor::CONNECTION) | if(_entries[indx]._type == Monitor::CONNECTION) |
{ | { |
static_cast<HTTPConnection *>(q)->_entry_index = indx; | static_cast<HTTPConnection *>(q)->_entry_index = indx; |
if(static_cast<HTTPConnection *>(q)->_dying.value() > 0 ) | if(static_cast<HTTPConnection *>(q)->_dying.value() > 0 ) |
{ | { |
_entries[indx]._status = _MonitorEntry::DYING; | _entries[indx]._status = _MonitorEntry::DYING; |
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MessageQueue & o = static_cast<HTTPConnection *>(q)->get_owner(); | MessageQueue & o = static_cast<HTTPConnection *>(q)->get_owner(); |
Message* message= new CloseConnectionMessage(_entries[indx].socket); | Message* message= new CloseConnectionMessage(_entries[indx].socket); |
message->dest = o.getQueueId(); | message->dest = o.getQueueId(); |
_entries_mut.unlock(); |
_entry_mut.unlock(); |
o.enqueue(message); | o.enqueue(message); |
return true; | return true; |
} | } |
_entries[indx]._status = _MonitorEntry::BUSY; | _entries[indx]._status = _MonitorEntry::BUSY; |
_entries_mut.unlock(); |
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_thread_pool->allocate_and_awaken((void *)q, _dispatch); | _thread_pool->allocate_and_awaken((void *)q, _dispatch); |
_entries_mut.lock(pegasus_thread_self()); |
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} | } |
else | else |
{ | { |
int events = 0; | int events = 0; |
events |= SocketMessage::READ; | events |= SocketMessage::READ; |
Message *msg = new SocketMessage(_entries[indx].socket, events); | Message *msg = new SocketMessage(_entries[indx].socket, events); |
_entries_mut.unlock(); |
_entries[indx]._status = _MonitorEntry::BUSY; |
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_entry_mut.unlock(); |
q->enqueue(msg); | q->enqueue(msg); |
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_entries[indx]._status = _MonitorEntry::IDLE; |
return true; | return true; |
} | } |
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} |
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catch(...) |
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{ |
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} |
handled_events = true; | handled_events = true; |
} | } |
} | } |
} | } |
_entries_mut.unlock(); |
_entry_mut.unlock(); |
return(handled_events); | return(handled_events); |
} | } |
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PEG_METHOD_ENTER(TRC_HTTP, "Monitor::solictSocketMessage"); | PEG_METHOD_ENTER(TRC_HTTP, "Monitor::solictSocketMessage"); |
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_MonitorEntry entry(socket, queueId, type); |
int index = -1; |
entry._status = _MonitorEntry::IDLE; |
_entry_mut.lock(pegasus_thread_self()); |
_entries_mut.lock(pegasus_thread_self()); |
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Boolean found = false; |
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int index ; |
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for(index = 0; index < (int)_entries.size(); index++) | for(index = 0; index < (int)_entries.size(); index++) |
{ | { |
if(_entries[index]._status == _MonitorEntry::EMPTY) |
try |
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{ |
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if(_entries[index]._status.value() == _MonitorEntry::EMPTY) |
{ | { |
_entries[index].operator =(entry); |
_entries[index].socket = socket; |
found = true; |
_entries[index].queueId = queueId; |
break; |
_entries[index]._type = type; |
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_entries[index]._status = _MonitorEntry::IDLE; |
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_entry_mut.unlock(); |
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return index; |
} | } |
} | } |
if(found == false) |
catch(...) |
{ | { |
_entries.append(entry); |
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index = _entries.size() - 1; |
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} | } |
_connections++; |
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_entries_mut.unlock(); |
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} |
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_entry_mut.unlock(); |
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
return index; | return index; |
} | } |
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void Monitor::unsolicitSocketMessages(Sint32 socket) | void Monitor::unsolicitSocketMessages(Sint32 socket) |
{ | { |
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitSocketMessages"); | PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitSocketMessages"); |
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_entry_mut.lock(pegasus_thread_self()); |
_entries_mut.lock(pegasus_thread_self()); |
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Boolean found = false; |
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for(int index = 0; index < (int)_entries.size(); index++) | for(int index = 0; index < (int)_entries.size(); index++) |
{ | { |
if(_entries[index].socket == socket) | if(_entries[index].socket == socket) |
{ | { |
found = true; |
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_connections--; |
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_entries[index]._status = _MonitorEntry::EMPTY; | _entries[index]._status = _MonitorEntry::EMPTY; |
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break; |
} | } |
} | } |
_entries_mut.unlock(); |
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PEGASUS_ASSERT(found == true); |
_entry_mut.unlock(); |
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PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
} |
if( _async == true ) |
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PEGASUS_STD(cout) << "Monitor:: running " << _thread_pool->running_count() << |
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" idle " << _thread_pool->pool_count() << PEGASUS_STD(endl); |
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} |
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PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL Monitor::_dispatch(void *parm) | PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL Monitor::_dispatch(void *parm) |
{ | { |
HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(parm); | HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(parm); |
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dst->run(1); | dst->run(1); |
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if( dst->_monitor->_entries.size() > (Uint32)dst->_entry_index ) |
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dst->_monitor->_entries[dst->_entry_index]._status = _MonitorEntry::IDLE; |
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return 0; | return 0; |
} | } |
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