version 1.32.2.2, 2002/10/29 21:13:17
|
version 1.52, 2003/10/01 00:14:57
|
|
|
// | // |
// Author: Mike Brasher (mbrasher@bmc.com) | // Author: Mike Brasher (mbrasher@bmc.com) |
// | // |
// Modified By: |
// Modified By: Mike Day (monitor_2) mdday@us.ibm.com |
// | // |
//%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
| |
|
#include <Pegasus/Common/Config.h> |
|
|
|
#include <cstring> |
#include "Monitor.h" | #include "Monitor.h" |
|
#include "MessageQueue.h" |
|
#include "Socket.h" |
|
#include <Pegasus/Common/Tracer.h> |
|
#include <Pegasus/Common/HTTPConnection.h> |
| |
#ifdef PEGASUS_OS_TYPE_WINDOWS | #ifdef PEGASUS_OS_TYPE_WINDOWS |
# if defined(FD_SETSIZE) && FD_SETSIZE != 1024 | # if defined(FD_SETSIZE) && FD_SETSIZE != 1024 |
|
|
# include <netinet/in.h> | # include <netinet/in.h> |
# include <netdb.h> | # include <netdb.h> |
# include <arpa/inet.h> | # include <arpa/inet.h> |
# include <unistd.h> |
|
#endif | #endif |
| |
PEGASUS_USING_STD; | PEGASUS_USING_STD; |
|
|
| |
| |
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 = {300, 0}; |
static struct timeval deadlock_time = {0, 0}; | static struct timeval deadlock_time = {0, 0}; |
| |
//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
|
|
//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
| |
Monitor::Monitor() | Monitor::Monitor() |
: _async(false) |
: _module_handle(0), _controller(0), _async(false), _stopConnections(0) |
{ | { |
Socket::initializeInterface(); | Socket::initializeInterface(); |
_rep = 0; | _rep = 0; |
_entries.reserveCapacity(32); | _entries.reserveCapacity(32); |
int i = 0; |
for( int i = 0; i < 32; i++ ) |
for( ; i < 32; i++ ) |
|
{ | { |
_MonitorEntry entry(0, 0, 0); | _MonitorEntry entry(0, 0, 0); |
_entries.append(entry); | _entries.append(entry); |
|
|
} | } |
| |
Monitor::Monitor(Boolean async) | Monitor::Monitor(Boolean async) |
: _async(async) |
: _module_handle(0), _controller(0), _async(async), _stopConnections(0) |
{ | { |
Socket::initializeInterface(); | Socket::initializeInterface(); |
_rep = 0; | _rep = 0; |
// _entries.reserveCapacity(32); |
_entries.reserveCapacity(32); |
// int i = 0; |
for( int i = 0; i < 32; i++ ) |
// for( ; i < 32; i++ ) |
{ |
// { |
_MonitorEntry entry(0, 0, 0); |
// _MonitorEntry entry(0, 0, 0); |
_entries.append(entry); |
// _entries.append(entry); |
} |
// } |
|
|
|
if( _async == true ) | if( _async == true ) |
|
|
{ | { |
_thread_pool = new ThreadPool(0, | _thread_pool = new ThreadPool(0, |
"Monitor", | "Monitor", |
1, |
0, |
0, | 0, |
create_time, | create_time, |
destroy_time, | destroy_time, |
|
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
"deregistering with module controller"); | "deregistering with module controller"); |
| |
|
if(_module_handle != NULL) |
|
{ |
|
_controller->deregister_module(PEGASUS_MODULENAME_MONITOR); |
|
_controller = 0; |
|
delete _module_handle; |
|
} |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "deleting rep"); | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "deleting rep"); |
| |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "uninitializing interface"); | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "uninitializing interface"); |
|
|
gettimeofday(&now, NULL); | gettimeofday(&now, NULL); |
int dead_threads = 0; | int dead_threads = 0; |
| |
if( now.tv_sec - last.tv_sec > 300 ) |
if( now.tv_sec - last.tv_sec > 120 ) |
{ | { |
PEGASUS_STD(cout) << "Monitor Thread Pool currently has " << |
|
_thread_pool->running_count() + |
|
_thread_pool->pool_count() << " Threads." << PEGASUS_STD(endl); |
|
gettimeofday(&last, NULL); | gettimeofday(&last, NULL); |
try | try |
{ | { |
|
|
| |
Boolean handled_events = false; | Boolean handled_events = false; |
int i = 0; | int i = 0; |
|
#if defined(PEGASUS_OS_OS400) || defined(PEGASUS_OS_HPUX) |
|
struct timeval tv = {milliseconds/1000, milliseconds%1000*1000}; |
|
#else |
struct timeval tv = {0,1}; | struct timeval tv = {0,1}; |
|
#endif |
fd_set fdread; | fd_set fdread; |
FD_ZERO(&fdread); | FD_ZERO(&fdread); |
|
_entry_mut.lock(pegasus_thread_self()); |
|
|
|
// Check the stopConnections flag. If set, clear the Acceptor monitor entries |
|
if (_stopConnections == 1) |
|
{ |
|
for ( int indx = 0; indx < (int)_entries.size(); indx++) |
|
{ |
|
if (_entries[indx]._type == Monitor::ACCEPTOR) |
|
{ |
|
if ( _entries[indx]._status.value() != _MonitorEntry::EMPTY) |
|
{ |
|
if ( _entries[indx]._status.value() == _MonitorEntry::IDLE || |
|
_entries[indx]._status.value() == _MonitorEntry::DYING ) |
|
{ |
|
// remove the entry |
|
_entries[indx]._status = _MonitorEntry::EMPTY; |
|
} |
|
else |
|
{ |
|
// set status to DYING |
|
_entries[indx]._status = _MonitorEntry::DYING; |
|
} |
|
} |
|
} |
|
} |
|
_stopConnections = 0; |
|
} |
|
|
|
Uint32 _idleEntries = 0; |
| |
for( int indx = 0; indx < (int)_entries.size(); indx++) | for( int indx = 0; indx < (int)_entries.size(); indx++) |
{ | { |
if(_entries[indx]._status.value() == _MonitorEntry::IDLE) | if(_entries[indx]._status.value() == _MonitorEntry::IDLE) |
{ | { |
|
_idleEntries++; |
FD_SET(_entries[indx].socket, &fdread); | FD_SET(_entries[indx].socket, &fdread); |
} | } |
} | } |
| |
|
_entry_mut.unlock(); |
int events = select(FD_SETSIZE, &fdread, NULL, NULL, &tv); | int events = select(FD_SETSIZE, &fdread, NULL, NULL, &tv); |
|
_entry_mut.lock(pegasus_thread_self()); |
| |
#ifdef PEGASUS_OS_TYPE_WINDOWS | #ifdef PEGASUS_OS_TYPE_WINDOWS |
if(events && events != SOCKET_ERROR ) |
if(events == SOCKET_ERROR) |
#else | #else |
if(events && events != -1 ) |
if(events == -1) |
#endif | #endif |
{ | { |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::run - errorno = %d has occurred on select.", errno); |
|
// The EBADF error indicates that one or more or the file |
|
// descriptions was not valid. This could indicate that |
|
// the _entries structure has been corrupted or that |
|
// we have a synchronization error. |
|
|
|
PEGASUS_ASSERT(errno != EBADF); |
|
} |
|
else if (events) |
|
{ |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::run select event received events = %d, monitoring %d idle entries", |
|
events, _idleEntries); |
for( int indx = 0; indx < (int)_entries.size(); indx++) | for( int indx = 0; indx < (int)_entries.size(); indx++) |
{ | { |
if(FD_ISSET(_entries[indx].socket, &fdread)) | if(FD_ISSET(_entries[indx].socket, &fdread)) |
|
|
MessageQueue *q = MessageQueue::lookup(_entries[indx].queueId); | MessageQueue *q = MessageQueue::lookup(_entries[indx].queueId); |
if(q == 0) | if(q == 0) |
{ | { |
PEGASUS_STD(cout) << "Monitor:: found an empty connection slot" << PEGASUS_STD(endl); |
|
try | try |
{ | { |
_entries[indx]._status = _MonitorEntry::EMPTY; | _entries[indx]._status = _MonitorEntry::EMPTY; |
} | } |
catch(...) | catch(...) |
{ | { |
|
|
} | } |
return true; |
continue; |
} | } |
try | try |
{ | { |
if(_entries[indx]._type == Monitor::CONNECTION) | if(_entries[indx]._type == Monitor::CONNECTION) |
{ | { |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"_entries[indx].type for indx = %d is Monitor::CONNECTION", indx); |
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 ) |
{ | { |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::run processing dying value > 0 for indx = %d, connection being closed.", |
|
indx); |
_entries[indx]._status = _MonitorEntry::DYING; | _entries[indx]._status = _MonitorEntry::DYING; |
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(); |
|
_entry_mut.unlock(); |
o.enqueue(message); | o.enqueue(message); |
return true; | return true; |
} | } |
|
|
} | } |
else | else |
{ | { |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Non-connection entry, indx = %d, has been received.", indx); |
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[indx]._status = _MonitorEntry::BUSY; | _entries[indx]._status = _MonitorEntry::BUSY; |
|
_entry_mut.unlock(); |
|
|
q->enqueue(msg); | q->enqueue(msg); |
_entries[indx]._status = _MonitorEntry::IDLE; | _entries[indx]._status = _MonitorEntry::IDLE; |
return true; | return true; |
|
|
} | } |
} | } |
} | } |
|
_entry_mut.unlock(); |
return(handled_events); | return(handled_events); |
} | } |
| |
|
void Monitor::stopListeningForConnections() |
|
{ |
|
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::stopListeningForConnections()"); |
|
|
|
_stopConnections = 1; |
|
|
|
PEG_METHOD_EXIT(); |
|
} |
|
|
| |
int Monitor::solicitSocketMessages( | int Monitor::solicitSocketMessages( |
Sint32 socket, | Sint32 socket, |
|
|
int type) | int type) |
{ | { |
| |
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::solictSocketMessage"); |
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::solicitSocketMessages"); |
|
|
|
_entry_mut.lock(pegasus_thread_self()); |
| |
int index = -1; |
for(int index = 0; index < (int)_entries.size(); index++) |
for(index = 0; index < (int)_entries.size(); index++) |
|
{ | { |
try | try |
{ | { |
if(_entries[index]._status.value() == _MonitorEntry::EMPTY) | if(_entries[index]._status.value() == _MonitorEntry::EMPTY) |
{ | { |
|
|
_entries[index].socket = socket; | _entries[index].socket = socket; |
_entries[index].queueId = queueId; | _entries[index].queueId = queueId; |
_entries[index]._type = type; | _entries[index]._type = type; |
_entries[index]._status = _MonitorEntry::IDLE; | _entries[index]._status = _MonitorEntry::IDLE; |
|
_entry_mut.unlock(); |
|
|
return index; | return index; |
} | } |
} | } |
catch(...) | catch(...) |
{ | { |
} | } |
|
|
} | } |
|
_entry_mut.unlock(); |
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
return index; |
return -1; |
} | } |
| |
void Monitor::unsolicitSocketMessages(Sint32 socket) | void Monitor::unsolicitSocketMessages(Sint32 socket) |
{ | { |
|
|
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitSocketMessages"); | PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitSocketMessages"); |
|
_entry_mut.lock(pegasus_thread_self()); |
| |
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) |
{ | { |
_entries[index]._status = _MonitorEntry::EMPTY; | _entries[index]._status = _MonitorEntry::EMPTY; |
|
break; |
} | } |
} | } |
|
_entry_mut.unlock(); |
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
if( _async == true ) |
|
PEGASUS_STD(cout) << "Monitor:: running " << _thread_pool->running_count() << |
|
" idle " << _thread_pool->pool_count() << PEGASUS_STD(endl); |
|
|
|
} | } |
| |
|
|
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); |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::_dispatch: entering run() for index = %d", |
|
dst->_entry_index); |
|
try |
|
{ |
dst->run(1); | dst->run(1); |
if( dst->_monitor->_entries.size() > (Uint32)dst->_entry_index ) |
} |
|
catch (...) |
|
{ |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::_dispatch: exception received"); |
|
} |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::_dispatch: exited run() for index %d", dst->_entry_index); |
|
|
|
dst->_monitor->_entry_mut.lock(pegasus_thread_self()); |
|
// It shouldn't be necessary to set status = _MonitorEntry::IDLE |
|
// if the connection is being closed. However, the current logic |
|
// in Monitor::run requires this value to be set for the close |
|
// to be processed. |
dst->_monitor->_entries[dst->_entry_index]._status = _MonitorEntry::IDLE; | dst->_monitor->_entries[dst->_entry_index]._status = _MonitorEntry::IDLE; |
|
if (dst->_connectionClosePending) |
|
{ |
|
dst->_dying = 1; |
|
} |
|
dst->_monitor->_entry_mut.unlock(); |
|
return 0; |
|
} |
|
|
|
|
|
|
|
////************************* monitor 2 *****************************//// |
|
////************************* monitor 2 *****************************//// |
|
////************************* monitor 2 *****************************//// |
|
////************************* monitor 2 *****************************//// |
|
////************************* monitor 2 *****************************//// |
|
////************************* monitor 2 *****************************//// |
|
////************************* monitor 2 *****************************//// |
|
|
|
|
|
m2e_rep::m2e_rep(void) |
|
:Base(), state(IDLE) |
|
|
|
{ |
|
} |
|
|
|
m2e_rep::m2e_rep(monitor_2_entry_type _type, |
|
pegasus_socket _sock, |
|
void* _accept, |
|
void* _dispatch) |
|
: Base(), type(_type), state(IDLE), psock(_sock), |
|
accept_parm(_accept), dispatch_parm(_dispatch) |
|
{ |
|
|
|
} |
|
|
|
m2e_rep::~m2e_rep(void) |
|
{ |
|
} |
|
|
|
m2e_rep::m2e_rep(const m2e_rep& r) |
|
: Base() |
|
{ |
|
if(this != &r){ |
|
type = r.type; |
|
psock = r.psock; |
|
accept_parm = r.accept_parm; |
|
dispatch_parm = r.dispatch_parm; |
|
state = IDLE; |
|
|
|
} |
|
} |
|
|
|
|
|
m2e_rep& m2e_rep::operator =(const m2e_rep& r) |
|
{ |
|
if(this != &r) { |
|
type = r.type; |
|
psock = r.psock; |
|
accept_parm = r.accept_parm; |
|
dispatch_parm = r.dispatch_parm; |
|
state = IDLE; |
|
} |
|
return *this; |
|
} |
|
|
|
Boolean m2e_rep::operator ==(const m2e_rep& r) |
|
{ |
|
if(this == &r) |
|
return true; |
|
return false; |
|
} |
|
|
|
Boolean m2e_rep::operator ==(void* r) |
|
{ |
|
if((void*)this == r) |
|
return true; |
|
return false; |
|
} |
|
|
|
m2e_rep::operator pegasus_socket() const |
|
{ |
|
return psock; |
|
} |
|
|
|
|
|
monitor_2_entry::monitor_2_entry(void) |
|
{ |
|
_rep = new m2e_rep(); |
|
} |
|
|
|
monitor_2_entry::monitor_2_entry(pegasus_socket& _psock, |
|
monitor_2_entry_type _type, |
|
void* _accept_parm, void* _dispatch_parm) |
|
{ |
|
_rep = new m2e_rep(_type, _psock, _accept_parm, _dispatch_parm); |
|
} |
|
|
|
monitor_2_entry::monitor_2_entry(const monitor_2_entry& e) |
|
{ |
|
if(this != &e){ |
|
Inc(this->_rep = e._rep); |
|
} |
|
} |
|
|
|
monitor_2_entry::~monitor_2_entry(void) |
|
{ |
|
Dec(_rep); |
|
} |
|
|
|
monitor_2_entry& monitor_2_entry::operator=(const monitor_2_entry& e) |
|
{ |
|
if(this != &e){ |
|
Dec(_rep); |
|
Inc(this->_rep = e._rep); |
|
} |
|
return *this; |
|
} |
|
|
|
Boolean monitor_2_entry::operator ==(const monitor_2_entry& me) const |
|
{ |
|
if(this == &me) |
|
return true; |
|
return false; |
|
} |
|
|
|
Boolean monitor_2_entry::operator ==(void* k) const |
|
{ |
|
if((void *)this == k) |
|
return true; |
|
return false; |
|
} |
|
|
|
|
|
monitor_2_entry_type monitor_2_entry::get_type(void) const |
|
{ |
|
return _rep->type; |
|
} |
|
|
|
void monitor_2_entry::set_type(monitor_2_entry_type t) |
|
{ |
|
_rep->type = t; |
|
} |
|
|
|
|
|
monitor_2_entry_state monitor_2_entry::get_state(void) const |
|
{ |
|
return (monitor_2_entry_state) _rep->state.value(); |
|
} |
|
|
|
void monitor_2_entry::set_state(monitor_2_entry_state t) |
|
{ |
|
_rep->state = t; |
|
} |
|
|
|
void* monitor_2_entry::get_accept(void) const |
|
{ |
|
return _rep->accept_parm; |
|
} |
|
|
|
void monitor_2_entry::set_accept(void* a) |
|
{ |
|
_rep->accept_parm = a; |
|
} |
|
|
|
|
|
void* monitor_2_entry::get_dispatch(void) const |
|
{ |
|
return _rep->dispatch_parm; |
|
} |
|
|
|
void monitor_2_entry::set_dispatch(void* a) |
|
{ |
|
_rep->dispatch_parm = a; |
|
} |
|
|
|
pegasus_socket monitor_2_entry::get_sock(void) const |
|
{ |
|
return _rep->psock; |
|
} |
|
|
|
|
|
void monitor_2_entry::set_sock(pegasus_socket& s) |
|
{ |
|
_rep->psock = s; |
|
|
|
} |
|
|
|
|
|
AsyncDQueue<HTTPConnection2> monitor_2::_connections(true, 0); |
|
|
|
|
|
monitor_2::monitor_2(void) |
|
: _session_dispatch(0), _accept_dispatch(0), _listeners(true, 0), |
|
_ready(true, 0), _die(0), _requestCount(0) |
|
{ |
|
try { |
|
|
|
bsd_socket_factory _factory; |
|
|
|
// set up the listener/acceptor |
|
pegasus_socket temp = pegasus_socket(&_factory); |
|
|
|
temp.socket(PF_INET, SOCK_STREAM, 0); |
|
// initialize the address |
|
memset(&_tickle_addr, 0, sizeof(_tickle_addr)); |
|
#ifdef PEGASUS_OS_ZOS |
|
_tickle_addr.sin_addr.s_addr = inet_addr_ebcdic("127.0.0.1"); |
|
#else |
|
_tickle_addr.sin_addr.s_addr = inet_addr("127.0.0.1"); |
|
#endif |
|
_tickle_addr.sin_family = PF_INET; |
|
_tickle_addr.sin_port = 0; |
|
|
|
PEGASUS_SOCKLEN_SIZE _addr_size = sizeof(_tickle_addr); |
|
|
|
temp.bind((struct sockaddr *)&_tickle_addr, sizeof(_tickle_addr)); |
|
temp.listen(3); |
|
temp.getsockname((struct sockaddr*)&_tickle_addr, &_addr_size); |
|
|
|
// set up the connector |
|
|
|
pegasus_socket tickler = pegasus_socket(&_factory); |
|
tickler.socket(PF_INET, SOCK_STREAM, 0); |
|
struct sockaddr_in _addr; |
|
memset(&_addr, 0, sizeof(_addr)); |
|
#ifdef PEGASUS_OS_ZOS |
|
_addr.sin_addr.s_addr = inet_addr_ebcdic("127.0.0.1"); |
|
#else |
|
_addr.sin_addr.s_addr = inet_addr("127.0.0.1"); |
|
#endif |
|
_addr.sin_family = PF_INET; |
|
_addr.sin_port = 0; |
|
tickler.bind((struct sockaddr*)&_addr, sizeof(_addr)); |
|
tickler.connect((struct sockaddr*)&_tickle_addr, sizeof(_tickle_addr)); |
|
|
|
_tickler.set_sock(tickler); |
|
_tickler.set_type(INTERNAL); |
|
_tickler.set_state(BUSY); |
|
|
|
struct sockaddr_in peer; |
|
memset(&peer, 0, sizeof(peer)); |
|
PEGASUS_SOCKLEN_SIZE peer_size = sizeof(peer); |
|
|
|
pegasus_socket accepted = temp.accept((struct sockaddr*)&peer, &peer_size); |
|
monitor_2_entry* _tickle = new monitor_2_entry(accepted, INTERNAL, 0, 0); |
|
_tickle->set_state(BUSY); |
|
|
|
_listeners.insert_first(_tickle); |
|
|
|
} |
|
catch(...){ } |
|
} |
|
|
|
monitor_2::~monitor_2(void) |
|
{ |
|
try { |
|
monitor_2_entry* temp = _listeners.remove_first(); |
|
while(temp){ |
|
delete temp; |
|
temp = _listeners.remove_first(); |
|
} |
|
} |
|
catch(...){ } |
|
} |
|
|
|
|
|
void monitor_2::run(void) |
|
{ |
|
monitor_2_entry* temp; |
|
while(_die.value() == 0) { |
|
|
|
struct timeval tv = {0, 0}; |
|
|
|
// place all sockets in the select set |
|
FD_ZERO(&rd_fd_set); |
|
try { |
|
_listeners.lock(pegasus_thread_self()); |
|
temp = _listeners.next(0); |
|
while(temp != 0 ){ |
|
if(temp->get_state() == CLOSED ){ |
|
monitor_2_entry* closed = temp; |
|
temp = _listeners.next(closed); |
|
_listeners.remove_no_lock(closed); |
|
HTTPConnection2 *cn = monitor_2::remove_connection((Sint32)(closed->get_sock())); |
|
delete cn; |
|
delete closed; |
|
} |
|
if(temp == 0) |
|
break; |
|
Sint32 fd = (Sint32) temp->get_sock(); |
|
if(fd >= 0 ) |
|
FD_SET(fd , &rd_fd_set); |
|
temp = _listeners.next(temp); |
|
} |
|
_listeners.unlock(); |
|
} |
|
catch(...){ |
|
return; |
|
} |
|
// important - the dispatch routine has pointers to all the |
|
// entries that are readable. These entries can be changed but |
|
// the pointer must not be tampered with. |
|
|
|
int events = select(FD_SETSIZE, &rd_fd_set, NULL, NULL, NULL); |
|
try { |
|
_listeners.lock(pegasus_thread_self()); |
|
temp = _listeners.next(0); |
|
while(temp != 0 ){ |
|
Sint32 fd = (Sint32) temp->get_sock(); |
|
if(fd >= 0 && FD_ISSET(fd, &rd_fd_set)) { |
|
temp->set_state(BUSY); |
|
FD_CLR(fd, &rd_fd_set); |
|
monitor_2_entry* ready = new monitor_2_entry(*temp); |
|
try |
|
{ |
|
_ready.insert_first(ready); |
|
} |
|
catch(...) |
|
{ |
|
} |
|
|
|
_requestCount++; |
|
} |
|
temp = _listeners.next(temp); |
|
} |
|
_listeners.unlock(); |
|
} |
|
catch(...){ |
|
return; |
|
} |
|
// now handle the sockets that are ready to read |
|
_dispatch(); |
|
} // while alive |
|
} |
|
|
|
void* monitor_2::set_session_dispatch(void (*dp)(monitor_2_entry*)) |
|
{ |
|
void* old = (void *)_session_dispatch; |
|
_session_dispatch = dp; |
|
return old; |
|
} |
|
|
|
void* monitor_2::set_accept_dispatch(void (*dp)(monitor_2_entry*)) |
|
{ |
|
void* old = (void*)_accept_dispatch; |
|
_accept_dispatch = dp; |
|
return old; |
|
|
|
} |
|
|
|
|
|
// important - the dispatch routine has pointers to all the |
|
// entries that are readable. These entries can be changed but |
|
// the pointer must not be tampered with. |
|
void monitor_2::_dispatch(void) |
|
{ |
|
monitor_2_entry* entry; |
|
|
|
if(_ready.count() == 0 ) |
|
return; |
|
|
|
|
|
try |
|
{ |
|
|
|
entry = _ready.remove_first(); |
|
} |
|
catch(...) |
|
{ |
|
} |
|
|
|
while(entry != 0 ) { |
|
switch(entry->get_type()) { |
|
case INTERNAL: |
|
static char buffer[2]; |
|
entry->get_sock().disableBlocking(); |
|
entry->get_sock().read(&buffer, 2); |
|
entry->get_sock().enableBlocking(); |
|
break; |
|
case LISTEN: |
|
{ |
|
static struct sockaddr peer; |
|
static PEGASUS_SOCKLEN_SIZE peer_size = sizeof(peer); |
|
entry->get_sock().disableBlocking(); |
|
pegasus_socket connected = entry->get_sock().accept(&peer, &peer_size); |
|
entry->get_sock().enableBlocking(); |
|
monitor_2_entry *temp = add_entry(connected, SESSION, entry->get_accept(), entry->get_dispatch()); |
|
if(temp && _accept_dispatch != 0) |
|
_accept_dispatch(temp); |
|
} |
|
break; |
|
case SESSION: |
|
if(_session_dispatch != 0 ) |
|
_session_dispatch(entry); |
|
else { |
|
static char buffer[4096]; |
|
int bytes = entry->get_sock().read(&buffer, 4096); |
|
} |
|
|
|
break; |
|
case UNTYPED: |
|
default: |
|
break; |
|
} |
|
_requestCount--; |
|
delete entry; |
| |
|
if(_ready.count() == 0 ) |
|
break; |
|
|
|
try |
|
{ |
|
entry = _ready.remove_first(); |
|
} |
|
catch(...) |
|
{ |
|
} |
|
|
|
} |
|
} |
|
|
|
void monitor_2::stop(void) |
|
{ |
|
_die = 1; |
|
tickle(); |
|
|
|
// shut down the listener list, free the list nodes |
|
_tickler.get_sock().close(); |
|
_listeners.shutdown_queue(); |
|
} |
|
|
|
void monitor_2::tickle(void) |
|
{ |
|
static char _buffer[] = |
|
{ |
|
'0','0' |
|
}; |
|
|
|
_tickler.get_sock().write(&_buffer, 2); |
|
} |
|
|
|
|
|
monitor_2_entry* monitor_2::add_entry(pegasus_socket& ps, |
|
monitor_2_entry_type type, |
|
void* accept_parm, |
|
void* dispatch_parm) |
|
{ |
|
monitor_2_entry* m2e = new monitor_2_entry(ps, type, accept_parm, dispatch_parm); |
|
|
|
try{ |
|
_listeners.insert_first(m2e); |
|
} |
|
catch(...){ |
|
delete m2e; |
return 0; | return 0; |
} | } |
|
tickle(); |
|
return m2e; |
|
} |
|
|
|
Boolean monitor_2::remove_entry(Sint32 s) |
|
{ |
|
monitor_2_entry* temp; |
|
try { |
|
_listeners.try_lock(pegasus_thread_self()); |
|
temp = _listeners.next(0); |
|
while(temp != 0){ |
|
if(s == (Sint32)temp->_rep->psock ){ |
|
temp = _listeners.remove_no_lock(temp); |
|
delete temp; |
|
_listeners.unlock(); |
|
return true; |
|
} |
|
temp = _listeners.next(temp); |
|
} |
|
_listeners.unlock(); |
|
} |
|
catch(...){ |
|
} |
|
return false; |
|
} |
|
|
|
Uint32 monitor_2::getOutstandingRequestCount(void) |
|
{ |
|
return _requestCount.value(); |
|
|
|
} |
|
|
|
|
|
HTTPConnection2* monitor_2::remove_connection(Sint32 sock) |
|
{ |
|
|
|
HTTPConnection2* temp; |
|
try |
|
{ |
|
monitor_2::_connections.lock(pegasus_thread_self()); |
|
temp = monitor_2::_connections.next(0); |
|
while(temp != 0 ) |
|
{ |
|
if(sock == temp->getSocket()) |
|
{ |
|
temp = monitor_2::_connections.remove_no_lock(temp); |
|
monitor_2::_connections.unlock(); |
|
return temp; |
|
} |
|
temp = monitor_2::_connections.next(temp); |
|
} |
|
monitor_2::_connections.unlock(); |
|
} |
|
catch(...) |
|
{ |
|
} |
|
return 0; |
|
} |
|
|
|
Boolean monitor_2::insert_connection(HTTPConnection2* connection) |
|
{ |
|
try |
|
{ |
|
monitor_2::_connections.insert_first(connection); |
|
} |
|
catch(...) |
|
{ |
|
return false; |
|
} |
|
return true; |
|
} |
| |
| |
PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |