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Diff for /pegasus/src/Pegasus/Common/Monitor.cpp between version 1.64 and 1.120

version 1.64, 2003/10/22 14:26:03 version 1.120, 2007/06/05 09:36:36
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 //%2003////////////////////////////////////////////////////////////////////////  //%2006////////////////////////////////////////////////////////////////////////
 // //
 // Copyright (c) 2000, 2001, 2002  BMC Software, Hewlett-Packard Development  // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
 // Company, L. P., IBM Corp., The Open Group, Tivoli Systems.  // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
 // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L. P.; // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L. P.;
 // IBM Corp.; EMC Corporation, The Open Group. // IBM Corp.; EMC Corporation, The Open Group.
   // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
   // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
   // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
   // EMC Corporation; VERITAS Software Corporation; The Open Group.
   // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
   // EMC Corporation; Symantec Corporation; The Open Group.
 // //
 // Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to // of this software and associated documentation files (the "Software"), to
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 // //
 //============================================================================== //==============================================================================
 // //
 // Author: Mike Brasher (mbrasher@bmc.com)  
 //  
 // Modified By: Mike Day (monitor_2) mdday@us.ibm.com  
 //  
 //%///////////////////////////////////////////////////////////////////////////// //%/////////////////////////////////////////////////////////////////////////////
  
   #include "Network.h"
 #include <Pegasus/Common/Config.h> #include <Pegasus/Common/Config.h>
   
 #include <cstring> #include <cstring>
 #include "Monitor.h" #include "Monitor.h"
 #include "MessageQueue.h" #include "MessageQueue.h"
 #include "Socket.h" #include "Socket.h"
 #include <Pegasus/Common/Tracer.h> #include <Pegasus/Common/Tracer.h>
 #include <Pegasus/Common/HTTPConnection.h> #include <Pegasus/Common/HTTPConnection.h>
   #include <Pegasus/Common/MessageQueueService.h>
 #ifdef PEGASUS_OS_TYPE_WINDOWS  #include <Pegasus/Common/Exception.h>
 # if defined(FD_SETSIZE) && FD_SETSIZE != 1024  #include "ArrayIterator.h"
 #  error "FD_SETSIZE was not set to 1024 prior to the last inclusion \  #include <errno.h>
 of <winsock.h>. It may have been indirectly included (e.g., by including \  
 <windows.h>). Finthe inclusion of that header which is visible to this \  
 compilation unit and #define FD_SETZIE to 1024 prior to that inclusion; \  
 otherwise, less than 64 clients (the default) will be able to connect to the \  
 CIMOM. PLEASE DO NOT SUPPRESS THIS WARNING; PLEASE FIX THE PROBLEM."  
   
 # endif  
 # define FD_SETSIZE 1024  
 # include <windows.h>  
 #else  
 # include <sys/types.h>  
 # include <sys/socket.h>  
 # include <sys/time.h>  
 # include <netinet/in.h>  
 # include <netdb.h>  
 # include <arpa/inet.h>  
 #endif  
  
 PEGASUS_USING_STD; PEGASUS_USING_STD;
  
 PEGASUS_NAMESPACE_BEGIN PEGASUS_NAMESPACE_BEGIN
  
   static AtomicInt _connections(0);
 static AtomicInt _connections = 0;  
   
   
 static struct timeval create_time = {0, 1};  
 static struct timeval destroy_time = {300, 0};  
 static struct timeval deadlock_time = {0, 0};  
   
 ////////////////////////////////////////////////////////////////////////////////  
 //  
 // MonitorRep  
 //  
 ////////////////////////////////////////////////////////////////////////////////  
   
 struct MonitorRep  
 {  
     fd_set rd_fd_set;  
     fd_set wr_fd_set;  
     fd_set ex_fd_set;  
     fd_set active_rd_fd_set;  
     fd_set active_wr_fd_set;  
     fd_set active_ex_fd_set;  
 };  
  
 //////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
 // //
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 #define MAX_NUMBER_OF_MONITOR_ENTRIES  32 #define MAX_NUMBER_OF_MONITOR_ENTRIES  32
 Monitor::Monitor() Monitor::Monitor()
    : _module_handle(0), _controller(0), _async(false), _stopConnections(0)     : _stopConnections(0),
        _stopConnectionsSem(0),
        _solicitSocketCount(0),
        _tickle_client_socket(-1),
        _tickle_server_socket(-1),
        _tickle_peer_socket(-1)
 { {
     int numberOfMonitorEntriesToAllocate = MAX_NUMBER_OF_MONITOR_ENTRIES;     int numberOfMonitorEntriesToAllocate = MAX_NUMBER_OF_MONITOR_ENTRIES;
     Socket::initializeInterface();     Socket::initializeInterface();
     _rep = 0;  
     _entries.reserveCapacity(numberOfMonitorEntriesToAllocate);     _entries.reserveCapacity(numberOfMonitorEntriesToAllocate);
     for( int i = 0; i < numberOfMonitorEntriesToAllocate; i++ )  
     {  
        _MonitorEntry entry(0, 0, 0);  
        _entries.append(entry);  
     }  
 }  
  
 Monitor::Monitor(Boolean async)      // setup the tickler
    : _module_handle(0), _controller(0), _async(async), _stopConnections(0)      initializeTickler();
 {  
     int numberOfMonitorEntriesToAllocate = MAX_NUMBER_OF_MONITOR_ENTRIES;      // Start the count at 1 because initilizeTickler()
     Socket::initializeInterface();      // has added an entry in the first position of the
     _rep = 0;      // _entries array
     _entries.reserveCapacity(numberOfMonitorEntriesToAllocate);      for (int i = 1; i < numberOfMonitorEntriesToAllocate; i++)
     for( int i = 0; i < numberOfMonitorEntriesToAllocate; i++ )  
     {     {
        _MonitorEntry entry(0, 0, 0);        _MonitorEntry entry(0, 0, 0);
        _entries.append(entry);        _entries.append(entry);
     }     }
     if( _async == true )  
     {  
        _thread_pool = new ThreadPool(0,  
                                      "Monitor",  
                                      0,  
                                      0,  
                                      create_time,  
                                      destroy_time,  
                                      deadlock_time);  
     }  
     else  
        _thread_pool = 0;  
 } }
  
 Monitor::~Monitor() Monitor::~Monitor()
 { {
     Tracer::trace(TRC_HTTP, Tracer::LEVEL4,      uninitializeTickler();
                   "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, "uninitializing interface");  
     Socket::uninitializeInterface();     Socket::uninitializeInterface();
     Tracer::trace(TRC_HTTP, Tracer::LEVEL4,      PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL4,
                   "returning from monitor destructor");                   "returning from monitor destructor");
     if(_async == true)  
        delete _thread_pool;  
 } }
   void Monitor::uninitializeTickler()
   
 int Monitor::kill_idle_threads()  
 { {
    static struct timeval now, last;      PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL4, "uninitializing interface");
    gettimeofday(&now, NULL);  
    int dead_threads = 0;  
  
    if( now.tv_sec - last.tv_sec > 120 )  
    {  
       gettimeofday(&last, NULL);  
       try       try
       {       {
          dead_threads =  _thread_pool->kill_dead_threads();          if (_tickle_peer_socket >= 0)
       }  
       catch(IPCException& )  
       {       {
               Socket::close(_tickle_peer_socket);
       }       }
           if (_tickle_client_socket >= 0)
    }  
    return dead_threads;  
 }  
   
   
 Boolean Monitor::run(Uint32 milliseconds)  
 {  
   
     Boolean handled_events = false;  
      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};  
 #endif  
     fd_set 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++)              Socket::close(_tickle_client_socket);
         {  
             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          if (_tickle_server_socket >= 0)
                    {                    {
                        // set status to DYING              Socket::close(_tickle_server_socket);
                       _entries[indx]._status = _MonitorEntry::DYING;  
                    }                    }
                }                }
            }      catch (...)
         }  
         _stopConnections = 0;  
     }  
   
     Uint32 _idleEntries = 0;  
   
     for( int indx = 0; indx < (int)_entries.size(); indx++)  
     {  
        if(_entries[indx]._status.value() == _MonitorEntry::IDLE)  
        {        {
           _idleEntries++;          PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL4,
           FD_SET(_entries[indx].socket, &fdread);                    "Failed to close tickle sockets");
        }  
     }     }
  
     // Fixed in monitor_2 but added because Monitor is still the default monitor.  
     // When _idleEntries is 0 don't imediatly return, otherwize this loops out of control  
     // kicking off kill idle thread threads.  E.g. There is nothing to select on when the cimserver  
     // is shutting down.  
     if( _idleEntries == 0 )  
     {  
         Thread::sleep( milliseconds );  
         _entry_mut.unlock();  
         return false;  
     }     }
  
     _entry_mut.unlock();  void Monitor::initializeTickler()
     int events = select(FD_SETSIZE, &fdread, NULL, NULL, &tv);  
    _entry_mut.lock(pegasus_thread_self());  
   
 #ifdef PEGASUS_OS_TYPE_WINDOWS  
     if(events == SOCKET_ERROR)  
 #else  
     if(events == -1)  
 #endif  
     {     {
        Tracer::trace(TRC_HTTP, Tracer::LEVEL4,      /*
           "Monitor::run - errorno = %d has occurred on select.", errno);         NOTE: On any errors trying to
        // The EBADF error indicates that one or more or the file               setup out tickle connection,
        // descriptions was not valid. This could indicate that               throw an exception/end the server
        // the _entries structure has been corrupted or that      */
        // we have a synchronization error.  
  
        PEGASUS_ASSERT(errno != EBADF);      /* setup the tickle server/listener */
     }      // try until the tcpip is restarted
     else if (events)      do
     {     {
        Tracer::trace(TRC_HTTP, Tracer::LEVEL4,          // get a socket for the server side
           "Monitor::run select event received events = %d, monitoring %d idle entries",          if ((_tickle_server_socket =
            events, _idleEntries);                   Socket::createSocket(PF_INET, SOCK_STREAM, 0)) ==
        for( int indx = 0; indx < (int)_entries.size(); indx++)               PEGASUS_INVALID_SOCKET)
        {  
           // The Monitor should only look at entries in the table that are IDLE (i.e.,  
           // owned by the Monitor).  
           if((_entries[indx]._status.value() == _MonitorEntry::IDLE) &&  
              (FD_ISSET(_entries[indx].socket, &fdread)))  
           {           {
              MessageQueue *q = MessageQueue::lookup(_entries[indx].queueId);              MessageLoaderParms parms(
              Tracer::trace(TRC_HTTP, Tracer::LEVEL4,                  "Common.Monitor.TICKLE_CREATE",
                   "Monitor::run indx = %d, queueId =  %d, q = %p",                  "Received error number $0 while creating the internal socket.",
                   indx, _entries[indx].queueId, q);                  getSocketError());
              PEGASUS_ASSERT(q !=0);              throw Exception(parms);
   
              try  
              {  
                 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;  
                    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;  
                       MessageQueue & o = static_cast<HTTPConnection *>(q)->get_owner();  
                       Message* message= new CloseConnectionMessage(_entries[indx].socket);  
                       message->dest = o.getQueueId();  
                       _entry_mut.unlock();  
                       o.enqueue(message);  
                       return true;  
                    }  
                    _entries[indx]._status = _MonitorEntry::BUSY;  
                    _thread_pool->allocate_and_awaken((void *)q, _dispatch);  
                 }                 }
                 else  
                 {  
                    Tracer::trace(TRC_HTTP, Tracer::LEVEL4,  
                      "Non-connection entry, indx = %d, has been received.", indx);  
                    int events = 0;  
                    events |= SocketMessage::READ;  
                    Message *msg = new SocketMessage(_entries[indx].socket, events);  
                    _entries[indx]._status = _MonitorEntry::BUSY;  
                    _entry_mut.unlock();  
  
                    q->enqueue(msg);          // initialize the address
                    _entries[indx]._status = _MonitorEntry::IDLE;          memset(&_tickle_server_addr, 0, sizeof(_tickle_server_addr));
                    return true;  
                 }  
              }  
              catch(...)  
              {  
              }  
              handled_events = true;  
           }  
        }  
     }  
     _entry_mut.unlock();  
     return(handled_events);  
 }  
  
 void Monitor::stopListeningForConnections()          _tickle_server_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
           _tickle_server_addr.sin_family = PF_INET;
           _tickle_server_addr.sin_port = 0;
   
           SocketLength _addr_size = sizeof(_tickle_server_addr);
   
           // bind server side to socket
           if ((::bind(_tickle_server_socket,
                    reinterpret_cast<struct sockaddr*>(&_tickle_server_addr),
                    sizeof(_tickle_server_addr))) < 0)
 { {
     PEG_METHOD_ENTER(TRC_HTTP, "Monitor::stopListeningForConnections()");  #ifdef PEGASUS_OS_ZOS
               MessageLoaderParms parms(
     _stopConnections = 1;                  "Common.Monitor.TICKLE_BIND_LONG",
                   "Received error:$0 while binding the internal socket.",
     PEG_METHOD_EXIT();                  strerror(errno));
   #else
               MessageLoaderParms parms(
                   "Common.Monitor.TICKLE_BIND",
                   "Received error number $0 while binding the internal socket.",
                   getSocketError());
   #endif
               throw Exception(parms);
 } }
  
           // tell the kernel we are a server
 int  Monitor::solicitSocketMessages(          if ((::listen(_tickle_server_socket, 3)) < 0)
     Sint32 socket,  
     Uint32 events,  
     Uint32 queueId,  
     int type)  
 {  
   
    PEG_METHOD_ENTER(TRC_HTTP, "Monitor::solicitSocketMessages");  
   
    _entry_mut.lock(pegasus_thread_self());  
   
    for(int index = 0; index < (int)_entries.size(); index++)  
    {    {
       try              MessageLoaderParms parms(
       {                  "Common.Monitor.TICKLE_LISTEN",
          if(_entries[index]._status.value() == _MonitorEntry::EMPTY)                  "Received error number $0 while listening to the internal "
          {                      "socket.",
             _entries[index].socket = socket;                  getSocketError());
             _entries[index].queueId  = queueId;              throw Exception(parms);
             _entries[index]._type = type;          }
             _entries[index]._status = _MonitorEntry::IDLE;  
             _entry_mut.unlock();          // make sure we have the correct socket for our server
           int sock = ::getsockname(
             return index;              _tickle_server_socket,
               reinterpret_cast<struct sockaddr*>(&_tickle_server_addr),
               &_addr_size);
           if (sock < 0)
           {
               MessageLoaderParms parms(
                   "Common.Monitor.TICKLE_SOCKNAME",
                   "Received error number $0 while getting the internal socket "
                       "name.",
                   getSocketError());
               throw Exception(parms);
           }
   
           /* set up the tickle client/connector */
   
           // get a socket for our tickle client
           if ((_tickle_client_socket =
                    Socket::createSocket(PF_INET, SOCK_STREAM, 0)) ==
               PEGASUS_INVALID_SOCKET)
           {
               MessageLoaderParms parms(
                   "Common.Monitor.TICKLE_CLIENT_CREATE",
                   "Received error number $0 while creating the internal client "
                       "socket.",
                   getSocketError());
               throw Exception(parms);
           }
   
           // setup the address of the client
           memset(&_tickle_client_addr, 0, sizeof(_tickle_client_addr));
   
           _tickle_client_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
           _tickle_client_addr.sin_family = PF_INET;
           _tickle_client_addr.sin_port = 0;
   
           // bind socket to client side
           if ((::bind(_tickle_client_socket,
                    reinterpret_cast<struct sockaddr*>(&_tickle_client_addr),
                    sizeof(_tickle_client_addr))) < 0)
           {
               MessageLoaderParms parms(
                   "Common.Monitor.TICKLE_CLIENT_BIND",
                   "Received error number $0 while binding the internal client "
                       "socket.",
                   getSocketError());
               throw Exception(parms);
           }
   
           // connect to server side
           if ((::connect(_tickle_client_socket,
                    reinterpret_cast<struct sockaddr*>(&_tickle_server_addr),
                    sizeof(_tickle_server_addr))) < 0)
           {
               MessageLoaderParms parms(
                   "Common.Monitor.TICKLE_CLIENT_CONNECT",
                   "Received error number $0 while connecting the internal "
                       "client socket.",
                   getSocketError());
               throw Exception(parms);
           }
   
           /* set up the slave connection */
           memset(&_tickle_peer_addr, 0, sizeof(_tickle_peer_addr));
           SocketLength peer_size = sizeof(_tickle_peer_addr);
           Threads::sleep(1);
   
           // this call may fail, we will try a max of 20 times to establish
           // this peer connection
           if ((_tickle_peer_socket = ::accept(_tickle_server_socket,
                    reinterpret_cast<struct sockaddr*>(&_tickle_peer_addr),
                    &peer_size)) < 0)
           {
               if (_tickle_peer_socket == PEGASUS_SOCKET_ERROR &&
                   getSocketError() == PEGASUS_NETWORK_TRYAGAIN)
               {
                   int retries = 0;
                   do
                   {
                       Threads::sleep(1);
                       _tickle_peer_socket = ::accept(
                           _tickle_server_socket,
                           reinterpret_cast<struct sockaddr*>(&_tickle_peer_addr),
                           &peer_size);
                       retries++;
                   } while (_tickle_peer_socket == PEGASUS_SOCKET_ERROR &&
                            getSocketError() == PEGASUS_NETWORK_TRYAGAIN &&
                            retries < 20);
               }
               // TCP/IP is down, destroy sockets and retry again.
               if (_tickle_peer_socket == PEGASUS_SOCKET_ERROR &&
                   getSocketError() == PEGASUS_NETWORK_TCPIP_STOPPED)
               {
                   // destroy everything
                   uninitializeTickler();
                   // retry again.
                   continue;
               }
           }
           if (_tickle_peer_socket == PEGASUS_SOCKET_ERROR)
           {
               MessageLoaderParms parms(
                   "Common.Monitor.TICKLE_ACCEPT",
                   "Received error number $0 while accepting the internal "
                       "socket connection.",
                   getSocketError());
               throw Exception(parms);
          }          }
       }          else
       catch(...)  
       {       {
               // socket is ok
               break;
       }       }
       } while (1); // try until TCP/IP is restarted
  
    }      Socket::disableBlocking(_tickle_peer_socket);
    _entry_mut.unlock();      Socket::disableBlocking(_tickle_client_socket);
    PEG_METHOD_EXIT();  
    return -1;  
 }  
  
 void Monitor::unsolicitSocketMessages(Sint32 socket)      // add the tickler to the list of entries to be monitored and set to
 {      // IDLE because Monitor only
       // checks entries with IDLE state for events
       _MonitorEntry entry(_tickle_peer_socket, 1, INTERNAL);
       entry._status = _MonitorEntry::IDLE;
  
     PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitSocketMessages");      // is the tickler initalized as first socket on startup ?
     _entry_mut.lock(pegasus_thread_self());      if (_entries.size()==0)
   
     for(int index = 0; index < (int)_entries.size(); index++)  
     {  
        if(_entries[index].socket == socket)  
        {        {
           _entries[index]._status = _MonitorEntry::EMPTY;         // if yes, append a new entry
           _entries[index].socket = -1;         _entries.append(entry);
           break;  
        }        }
       else
       {
          // if not, overwrite the tickler entry with new socket
          _entries[0]=entry;
     }     }
     _entry_mut.unlock();  
     PEG_METHOD_EXIT();  
 } }
  
 PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL Monitor::_dispatch(void *parm)  void Monitor::tickle()
 {  
    HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(parm);  
    Tracer::trace(TRC_HTTP, Tracer::LEVEL4,  
         "Monitor::_dispatch: entering run() for indx  = %d, queueId = %d, q = %p",  
         dst->_entry_index, dst->_monitor->_entries[dst->_entry_index].queueId, dst);  
    try  
    {    {
       dst->run(1);      static char _buffer[] =
    }  
    catch (...)  
    {    {
       Tracer::trace(TRC_HTTP, Tracer::LEVEL4,        '0','0'
           "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.  
  
    PEGASUS_ASSERT(dst->_monitor->_entries[dst->_entry_index]._status.value() == _MonitorEntry::BUSY);      AutoMutex autoMutex(_tickle_mutex);
    dst->_monitor->_entries[dst->_entry_index]._status = _MonitorEntry::IDLE;      Socket::write(_tickle_client_socket,&_buffer, 2);
    if (dst->_connectionClosePending)  
    {  
       dst->_dying = 1;  
    }  
    dst->_monitor->_entry_mut.unlock();  
    return 0;  
 } }
  
   void Monitor::setState( Uint32 index, _MonitorEntry::entry_status status )
   
 ////************************* monitor 2 *****************************////  
 ////************************* monitor 2 *****************************////  
 ////************************* monitor 2 *****************************////  
 ////************************* monitor 2 *****************************////  
 ////************************* monitor 2 *****************************////  
 ////************************* monitor 2 *****************************////  
 ////************************* monitor 2 *****************************////  
   
   
   
   
   
 m2e_rep::m2e_rep(void)  
   :Base(), state(IDLE)  
   
 { {
       // Set the state to requested state
       _entries[index]._status = status;
 } }
  
 m2e_rep::m2e_rep(monitor_2_entry_type _type,  void Monitor::run(Uint32 milliseconds)
                  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)      struct timeval tv = {milliseconds/1000, milliseconds%1000*1000};
 {  
 }  
   
 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;  
  
   }      fd_set fdread;
 }      FD_ZERO(&fdread);
  
       AutoMutex autoEntryMutex(_entry_mut);
  
 m2e_rep& m2e_rep::operator =(const m2e_rep& r)      ArrayIterator<_MonitorEntry> entries(_entries);
 {  
   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)      // Check the stopConnections flag.  If set, clear the Acceptor monitor
       // entries
       if (_stopConnections.get() == 1)
 { {
   if(this == &r)          for ( int indx = 0; indx < (int)entries.size(); indx++)
     return true;  
   return false;  
 }  
   
 Boolean m2e_rep::operator ==(void* r)  
 { {
   if((void*)this == r)              if (entries[indx]._type == Monitor::ACCEPTOR)
     return true;  
   return false;  
 }  
   
 m2e_rep::operator pegasus_socket() const  
 { {
   return psock;                  if ( entries[indx]._status.get() != _MonitorEntry::EMPTY)
 }  
   
   
 monitor_2_entry::monitor_2_entry(void)  
 { {
   _rep = new m2e_rep();                     if ( entries[indx]._status.get() == _MonitorEntry::IDLE ||
 }                          entries[indx]._status.get() == _MonitorEntry::DYING )
   
 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);                         // remove the entry
                          entries[indx]._status = _MonitorEntry::EMPTY;
 } }
                      else
 monitor_2_entry::monitor_2_entry(const monitor_2_entry& e)  
 { {
   if(this != &e){                         // set status to DYING
     Inc(this->_rep = e._rep);                        entries[indx]._status = _MonitorEntry::DYING;
   }   }
 } }
   
 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;          _stopConnections = 0;
           _stopConnectionsSem.signal();
 } }
  
 Boolean monitor_2_entry::operator ==(const monitor_2_entry& me) const      for (int indx = 0; indx < (int)entries.size(); indx++)
 { {
   if(this == &me)          const _MonitorEntry &entry = entries[indx];
     return true;          if ((entry._status.get() == _MonitorEntry::DYING) &&
   return false;              (entry._type == Monitor::CONNECTION))
 }  
   
 Boolean monitor_2_entry::operator ==(void* k) const  
 { {
   if((void *)this == k)              MessageQueue *q = MessageQueue::lookup(entry.queueId);
     return true;              PEGASUS_ASSERT(q != 0);
   return false;              HTTPConnection &h = *static_cast<HTTPConnection *>(q);
 }  
  
               if (h._connectionClosePending == false)
                   continue;
  
 monitor_2_entry_type monitor_2_entry::get_type(void) const              // NOTE: do not attempt to delete while there are pending responses
 {              // coming thru. The last response to come thru after a
   return _rep->type;              // _connectionClosePending will reset _responsePending to false
 }              // and then cause the monitor to rerun this code and clean up.
               // (see HTTPConnection.cpp)
 void monitor_2_entry::set_type(monitor_2_entry_type t)  
 {              if (h._responsePending == true)
   _rep->type = t;              {
 }                  PEG_TRACE((TRC_HTTP, Tracer::LEVEL4,
                       "Monitor::run - Ignoring connection delete request "
                           "because responses are still pending. "
                           "connection=0x%p, socket=%d\n",
                       (void *)&h, h.getSocket()));
                   continue;
               }
               h._connectionClosePending = false;
               MessageQueue &o = h.get_owner();
               Message* message= new CloseConnectionMessage(entry.socket);
               message->dest = o.getQueueId();
  
 monitor_2_entry_state  monitor_2_entry::get_state(void) const              // HTTPAcceptor is responsible for closing the connection.
 {              // The lock is released to allow HTTPAcceptor to call
   return (monitor_2_entry_state) _rep->state.value();              // unsolicitSocketMessages to free the entry.
 }              // Once HTTPAcceptor completes processing of the close
               // connection, the lock is re-requested and processing of
               // the for loop continues.  This is safe with the current
               // implementation of the entries object.  Note that the
               // loop condition accesses the entries.size() on each
               // iteration, so that a change in size while the mutex is
               // unlocked will not result in an ArrayIndexOutOfBounds
               // exception.
  
 void monitor_2_entry::set_state(monitor_2_entry_state t)              _entry_mut.unlock();
 {              o.enqueue(message);
   _rep->state = t;              _entry_mut.lock();
 }  
  
 void* monitor_2_entry::get_accept(void) const              // After enqueue a message and the autoEntryMutex has been
 {              // released and locked again, the array of _entries can be
   return _rep->accept_parm;              // changed. The ArrayIterator has be reset with the original
               // _entries.
               entries.reset(_entries);
 } }
   
 void monitor_2_entry::set_accept(void* a)  
 {  
   _rep->accept_parm = a;  
 } }
  
       Uint32 _idleEntries = 0;
  
 void* monitor_2_entry::get_dispatch(void) const      /*
 {          We will keep track of the maximum socket number and pass this value
   return _rep->dispatch_parm;          to the kernel as a parameter to SELECT.  This loop seems like a good
 }          place to calculate the max file descriptor (maximum socket number)
           because we have to traverse the entire array.
 void monitor_2_entry::set_dispatch(void* a)      */
       SocketHandle maxSocketCurrentPass = 0;
       for (int indx = 0; indx < (int)entries.size(); indx++)
 { {
   _rep->dispatch_parm = a;         if (maxSocketCurrentPass < entries[indx].socket)
 }             maxSocketCurrentPass = entries[indx].socket;
  
 pegasus_socket monitor_2_entry::get_sock(void) const         if (entries[indx]._status.get() == _MonitorEntry::IDLE)
 { {
   return _rep->psock;             _idleEntries++;
              FD_SET(entries[indx].socket, &fdread);
 } }
   
   
 void monitor_2_entry::set_sock(pegasus_socket& s)  
 {  
   _rep->psock = s;  
   
 } }
  
 //static monitor_2* _m2_instance;      /*
           Add 1 then assign maxSocket accordingly. We add 1 to account for
 AsyncDQueue<HTTPConnection2> monitor_2::_connections(true, 0);          descriptors starting at 0.
       */
 monitor_2::monitor_2(void)      maxSocketCurrentPass++;
   : _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  
 #ifdef PEGASUS_PLATFORM_OS400_ISERIES_IBM  
 #pragma convert(37)  
 #endif  
     _tickle_addr.sin_addr.s_addr = inet_addr("127.0.0.1");  
 #ifdef PEGASUS_PLATFORM_OS400_ISERIES_IBM  
 #pragma convert(0)  
 #endif  
 #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));      _entry_mut.unlock();
     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);      // The first argument to select() is ignored on Windows and it is not
     struct sockaddr_in _addr;      // a socket value.  The original code assumed that the number of sockets
     memset(&_addr, 0, sizeof(_addr));      // and a socket value have the same type.  On Windows they do not.
 #ifdef PEGASUS_OS_ZOS      //
     _addr.sin_addr.s_addr = inet_addr_ebcdic("127.0.0.1");  #ifdef PEGASUS_OS_TYPE_WINDOWS
       int events = select(0, &fdread, NULL, NULL, &tv);
 #else #else
     _addr.sin_addr.s_addr = inet_addr("127.0.0.1");      int events = select(maxSocketCurrentPass, &fdread, NULL, NULL, &tv);
 #endif #endif
     _addr.sin_family = PF_INET;      _entry_mut.lock();
     _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);      // After enqueue a message and the autoEntryMutex has been released and
     _tickle->set_state(BUSY);      // locked again, the array of _entries can be changed. The ArrayIterator
       // has be reset with the original _entries
       entries.reset(_entries);
  
     _listeners.insert_first(_tickle);      if (events == PEGASUS_SOCKET_ERROR)
       {
           PEG_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);
   }   }
   catch(...){  }      else if (events)
 }      {
           PEG_TRACE((TRC_HTTP, Tracer::LEVEL4,
 monitor_2::~monitor_2(void)              "Monitor::run select event received events = %d, monitoring %d "
                   "idle entries",
               events, _idleEntries));
           for (int indx = 0; indx < (int)entries.size(); indx++)
           {
               // The Monitor should only look at entries in the table that are
               // IDLE (i.e., owned by the Monitor).
               if ((entries[indx]._status.get() == _MonitorEntry::IDLE) &&
                   (FD_ISSET(entries[indx].socket, &fdread)))
 { {
                   MessageQueue *q = MessageQueue::lookup(entries[indx].queueId);
                   PEG_TRACE((TRC_HTTP, Tracer::LEVEL4,
                       "Monitor::run indx = %d, queueId =  %d, q = %p",
                       indx, entries[indx].queueId, q));
                   PEGASUS_ASSERT(q !=0);
  
    stop();                  try
                   {
                       if (entries[indx]._type == Monitor::CONNECTION)
                       {
                           PEG_TRACE((TRC_HTTP, Tracer::LEVEL4,
                               "entries[indx].type for indx = %d is "
                                   "Monitor::CONNECTION",
                               indx));
                           static_cast<HTTPConnection *>(q)->_entry_index = indx;
  
   try {                          // Do not update the entry just yet. The entry gets
     monitor_2_entry* temp = _listeners.remove_first();                          // updated once the request has been read.
     while(temp){                          //entries[indx]._status = _MonitorEntry::BUSY;
       delete temp;  
       temp = _listeners.remove_first();                          // If allocate_and_awaken failure, retry on next
     }                          // iteration
   /* Removed for PEP 183.
                           if (!MessageQueueService::get_thread_pool()->
                                   allocate_and_awaken((void *)q, _dispatch))
                           {
                               PEG_TRACE_CSTRING(TRC_DISCARDED_DATA,
                                   Tracer::LEVEL2,
                                   "Monitor::run: Insufficient resources to "
                                       "process request.");
                               entries[indx]._status = _MonitorEntry::IDLE;
                               return true;
   }   }
   */
   catch(...){  }  // Added for PEP 183
                           HTTPConnection *dst =
                               reinterpret_cast<HTTPConnection *>(q);
                           PEG_TRACE((TRC_HTTP, Tracer::LEVEL4,
                               "Monitor::_dispatch: entering run() for "
                                   "indx = %d, queueId = %d, q = %p",
                               dst->_entry_index,
                               dst->_monitor->_entries[dst->_entry_index].queueId,
                               dst));
  
   try   try
   {   {
      HTTPConnection2* temp = _connections.remove_first();                              dst->run(1);
      while(temp)  
      {  
         delete temp;  
         temp = _connections.remove_first();  
      }  
   }   }
   catch(...)   catch(...)
   {   {
                               PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL4,
                                   "Monitor::_dispatch: exception received");
   }   }
                           PEG_TRACE((TRC_HTTP, Tracer::LEVEL4,
                               "Monitor::_dispatch: exited run() for index %d",
                               dst->_entry_index));
   
                           // It is possible the entry status may not be set to
                           // busy.  The following will fail in that case.
                           // PEGASUS_ASSERT(dst->_monitor->_entries[
                           //     dst->_entry_index]._status.get() ==
                           //    _MonitorEntry::BUSY);
                           // Once the HTTPConnection thread has set the status
                           // value to either Monitor::DYING or Monitor::IDLE,
                           // it has returned control of the connection to the
                           // Monitor.  It is no longer permissible to access
                           // the connection or the entry in the _entries table.
   
                           // The following is not relevant as the worker thread
                           // or the reader thread will update the status of the
                           // entry.
                           //if (dst->_connectionClosePending)
                           //{
                           //  dst->_monitor->_entries[dst->_entry_index]._status =
                           //    _MonitorEntry::DYING;
                           //}
                           //else
                           //{
                           //  dst->_monitor->_entries[dst->_entry_index]._status =
                           //    _MonitorEntry::IDLE;
                           //}
   // end Added for PEP 183
                       }
                       else if (entries[indx]._type == Monitor::INTERNAL)
                       {
                           // set ourself to BUSY,
                           // read the data
                           // and set ourself back to IDLE
  
                           entries[indx]._status = _MonitorEntry::BUSY;
                           static char buffer[2];
                           Sint32 amt =
                               Socket::read(entries[indx].socket,&buffer, 2);
  
 }                          if (amt == PEGASUS_SOCKET_ERROR &&
                               getSocketError() == PEGASUS_NETWORK_TCPIP_STOPPED)
   
 void monitor_2::run(void)  
 { {
   monitor_2_entry* temp;                              PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL4,
   while(_die.value() == 0) {                                  "Monitor::run: Tickler socket got an IO error. "
                                       "Going to re-create Socket and wait for "
      struct timeval tv_idle = { 60, 0 };                                      "TCP/IP restart.");
                               uninitializeTickler();
     // place all sockets in the select set                              initializeTickler();
     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.  
     if(_connections.count() )  
        int events = select(FD_SETSIZE, &rd_fd_set, NULL, NULL, NULL);  
     else     else
        int events = select(FD_SETSIZE, &rd_fd_set, NULL, NULL, &tv_idle);  
   
     if(_die.value())  
     {     {
        break;                              entries[indx]._status = _MonitorEntry::IDLE;
     }     }
   
     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(...)                      else
           {           {
           }                          PEG_TRACE((TRC_HTTP, Tracer::LEVEL4,
                               "Non-connection entry, indx = %d, has been "
                                   "received.",
                               indx));
                           int events = 0;
                           events |= SocketMessage::READ;
                           Message* msg = new SocketMessage(
                               entries[indx].socket, events);
                           entries[indx]._status = _MonitorEntry::BUSY;
                           _entry_mut.unlock();
                           q->enqueue(msg);
                           _entry_mut.lock();
  
           _requestCount++;                          // After enqueue a message and the autoEntryMutex has
                           // been released and locked again, the array of
                           // entries can be changed. The ArrayIterator has be
                           // reset with the original _entries
                           entries.reset(_entries);
                           entries[indx]._status = _MonitorEntry::IDLE;
         }         }
         temp = _listeners.next(temp);  
       }       }
       _listeners.unlock();                  catch (...)
                   {
     }     }
     catch(...){  
       return;  
     }     }
     // now handle the sockets that are ready to read  
     if(_ready.count())  
        _dispatch();  
     else  
     {  
        if(_connections.count() == 0 )  
           _idle_dispatch(_idle_parm);  
     }     }
   } // 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 Monitor::stopListeningForConnections(Boolean wait)
 { {
   void* old = (void*)_accept_dispatch;      PEG_METHOD_ENTER(TRC_HTTP, "Monitor::stopListeningForConnections()");
   _accept_dispatch = dp;      // set boolean then tickle the server to recognize _stopConnections
   return old;      _stopConnections = 1;
 }      tickle();
  
 void* monitor_2::set_idle_dispatch(void (*dp)(void*))      if (wait)
 { {
    void* old = (void*)_idle_dispatch;        // Wait for the monitor to notice _stopConnections.  Otherwise the
    _idle_dispatch = dp;        // caller of this function may unbind the ports while the monitor
    return old;        // is still accepting connections on them.
         _stopConnectionsSem.wait();
 } }
  
 void* monitor_2::set_idle_parm(void* parm)      PEG_METHOD_EXIT();
 {  
    void* old = _idle_parm;  
    _idle_parm = parm;  
    return old;  
 } }
  
  
   int Monitor::solicitSocketMessages(
 //-----------------------------------------------------------------      SocketHandle socket,
 // Note on deleting the monitor_2_entry nodes:      Uint32 events,
 //  Each case: in the switch statement needs to handle the deletion      Uint32 queueId,
 //  of the monitor_2_entry * node differently. A SESSION dispatch      int type)
 //  routine MUST DELETE the entry during its dispatch handling.  
 //  All other dispatch routines MUST NOT delete the entry during the  
 //  dispatch handling, but must allow monitor_2::_dispatch to delete  
 //   the entry.  
 //  
 //  The reason is pretty obscure and it is debatable whether or not  
 //  to even bother, but during cimserver shutdown the single monitor_2_entry*  
 //  will leak unless the _session_dispatch routine takes care of deleting it.  
 //  
 //  The reason is that a shutdown messages completely stops everything and  
 //  the _session_dispatch routine never returns. So monitor_2::_dispatch is  
 //  never able to do its own cleanup.  
 //  
 // << Mon Oct 13 09:33:33 2003 mdd >>  
 //-----------------------------------------------------------------  
   
 void monitor_2::_dispatch(void)  
 { {
    monitor_2_entry* entry;      PEG_METHOD_ENTER(TRC_HTTP, "Monitor::solicitSocketMessages");
       AutoMutex autoMut(_entry_mut);
    try      // Check to see if we need to dynamically grow the _entries array
       // We always want the _entries array to 2 bigger than the
       // current connections requested
       _solicitSocketCount++;  // bump the count
       int size = (int)_entries.size();
       if ((int)_solicitSocketCount >= (size-1))
    {    {
           for (int i = 0; i < ((int)_solicitSocketCount - (size-1)); i++)
          entry = _ready.remove_first();  
    }  
    catch(...)  
    {    {
               _MonitorEntry entry(0, 0, 0);
               _entries.append(entry);
           }
    }    }
  
   while(entry != 0 ) {      int index;
     switch(entry->get_type()) {      for (index = 1; index < (int)_entries.size(); index++)
     case INTERNAL:  
       static char buffer[2];  
       entry->get_sock().disableBlocking();  
       entry->get_sock().read(&buffer, 2);  
       entry->get_sock().enableBlocking();  
       delete entry;  
   
       break;  
     case LISTEN:  
       {       {
         static struct sockaddr peer;          try
         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);  
         delete entry;  
   
       }  
       break;  
     case SESSION:  
        if(_session_dispatch != 0 )  
        {        {
           // NOTE: _session_dispatch will delete entry - do not do it here              if (_entries[index]._status.get() == _MonitorEntry::EMPTY)
           _session_dispatch(entry);              {
        }                  _entries[index].socket = socket;
                   _entries[index].queueId  = queueId;
       else {                  _entries[index]._type = type;
         static char buffer[4096];                  _entries[index]._status = _MonitorEntry::IDLE;
         int bytes = entry->get_sock().read(&buffer, 4096);  
         delete entry;  
       }  
  
       break;                  return index;
     case UNTYPED:  
     default:  
            delete entry;  
       break;  
     }     }
     _requestCount--;  
   
     if(_ready.count() == 0 )  
        break;  
   
     try  
     {  
        entry = _ready.remove_first();  
     }     }
     catch(...)     catch(...)
     {     {
     }     }
   
   }   }
       // decrease the count, if we are here we didn't do anything meaningful
       _solicitSocketCount--;
       PEG_METHOD_EXIT();
       return -1;
 } }
  
 void monitor_2::stop(void)  void Monitor::unsolicitSocketMessages(SocketHandle socket)
 { {
   _die = 1;      PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitSocketMessages");
   tickle();      AutoMutex autoMut(_entry_mut);
   // shut down the listener list, free the list nodes  
   _tickler.get_sock().close();  
   _listeners.shutdown_queue();  
 }  
  
 void monitor_2::tickle(void)      /*
           Start at index = 1 because _entries[0] is the tickle entry which
           never needs to be EMPTY;
       */
       unsigned int index;
       for (index = 1; index < _entries.size(); index++)
 { {
   static char _buffer[] =          if (_entries[index].socket == socket)
     {  
       '0','0'  
     };  
   
   _tickler.get_sock().disableBlocking();  
   
   _tickler.get_sock().write(&_buffer, 2);  
   _tickler.get_sock().enableBlocking();  
   
 }  
   
   
 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);              _entries[index]._status = _MonitorEntry::EMPTY;
               _entries[index].socket = PEGASUS_INVALID_SOCKET;
   try{              _solicitSocketCount--;
     _listeners.insert_first(m2e);              break;
   }  
   catch(...){  
     delete m2e;  
     return 0;  
   }   }
   tickle();  
   return m2e;  
 } }
  
 Boolean monitor_2::remove_entry(Sint32 s)      /*
 {          Dynamic Contraction:
   monitor_2_entry* temp;          To remove excess entries we will start from the end of the _entries
   try {          array and remove all entries with EMPTY status until we find the
     _listeners.try_lock(pegasus_thread_self());          first NON EMPTY.  This prevents the positions, of the NON EMPTY
     temp = _listeners.next(0);          entries, from being changed.
     while(temp != 0){      */
       if(s == (Sint32)temp->_rep->psock ){      index = _entries.size() - 1;
         temp = _listeners.remove_no_lock(temp);      while (_entries[index]._status.get() == _MonitorEntry::EMPTY)
         delete temp;      {
         _listeners.unlock();          if (_entries.size() > MAX_NUMBER_OF_MONITOR_ENTRIES)
         return true;                  _entries.remove(index);
       }          index--;
       temp = _listeners.next(temp);  
     }     }
     _listeners.unlock();      PEG_METHOD_EXIT();
   }  
   catch(...){  
   }  
   return false;  
 } }
  
 Uint32 monitor_2::getOutstandingRequestCount(void)  // Note: this is no longer called with PEP 183.
 {  ThreadReturnType PEGASUS_THREAD_CDECL Monitor::_dispatch(void* parm)
   return _requestCount.value();  
   
 }  
   
   
 HTTPConnection2* monitor_2::remove_connection(Sint32 sock)  
 { {
       HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(parm);
       PEG_TRACE((TRC_HTTP, Tracer::LEVEL4,
           "Monitor::_dispatch: entering run() for indx  = %d, queueId = %d, "
               "q = %p",
           dst->_entry_index,
           dst->_monitor->_entries[dst->_entry_index].queueId,
           dst));
  
    HTTPConnection2* temp;  
    try    try
    {    {
       monitor_2::_connections.lock(pegasus_thread_self());          dst->run(1);
       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(...)    catch(...)
    {    {
           PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL4,
               "Monitor::_dispatch: exception received");
    }    }
    return 0;      PEG_TRACE((TRC_HTTP, Tracer::LEVEL4,
 }          "Monitor::_dispatch: exited run() for index %d", dst->_entry_index));
  
 Boolean monitor_2::insert_connection(HTTPConnection2* connection)      PEGASUS_ASSERT(dst->_monitor->_entries[dst->_entry_index]._status.get() ==
 {          _MonitorEntry::BUSY);
    try  
       // Once the HTTPConnection thread has set the status value to either
       // Monitor::DYING or Monitor::IDLE, it has returned control of the
       // connection to the Monitor.  It is no longer permissible to access the
       // connection or the entry in the _entries table.
       if (dst->_connectionClosePending)
    {    {
       monitor_2::_connections.insert_first(connection);          dst->_monitor->_entries[dst->_entry_index]._status =
               _MonitorEntry::DYING;
    }    }
    catch(...)      else
    {    {
       return false;          dst->_monitor->_entries[dst->_entry_index]._status =
               _MonitorEntry::IDLE;
    }    }
    return true;      return 0;
 } }
  
   
 PEGASUS_NAMESPACE_END PEGASUS_NAMESPACE_END

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