pegasus/src/Pegasus/Common/Monitor.cpp - diff

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Diff for /pegasus/src/Pegasus/Common/Monitor.cpp between version 1.103.10.27 and 1.109

version 1.103.10.27, 2006/10/18 04:24:42

version 1.109, 2006/06/28 00:15:41

Line 29

//==============================================================================

// Author: Mike Brasher (mbrasher@bmc.com)

// Modified By: Mike Day (monitor_2) mdday@us.ibm.com

// Amit K Arora (Bug#1153) amita@in.ibm.com

// Alagaraja Ramasubramanian (alags_raj@in.ibm.com) for Bug#1090

// Sushma Fernandes (sushma@hp.com) for Bug#2057

// Josephine Eskaline Joyce (jojustin@in.ibm.com) for PEP#101

// Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com)

//%/////////////////////////////////////////////////////////////////////////////

#include "Network.h"

#include <Pegasus/Common/Config.h>

#include <cstring>

#include <Pegasus/Common/Monitor.h>

#include "Monitor.h"

#include <Pegasus/Common/MessageQueue.h>

#include "MessageQueue.h"

#include <Pegasus/Common/Socket.h>

#include "Socket.h"

#include <Pegasus/Common/Tracer.h>

#include <Pegasus/Common/HTTPConnection.h>

#include <Pegasus/Common/MessageQueueService.h>

#include <Pegasus/Common/Exception.h>

#include <Pegasus/Common/ArrayIterator.h>

#include "ArrayIterator.h"

//const static DWORD MAX_BUFFER_SIZE = 4096; // 4 kilobytes

#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET)

// Maximum iterations of Pipe processing in Monitor::run

const Uint32 maxIterations = 3;

#endif

#ifdef PEGASUS_OS_TYPE_WINDOWS

# if defined(FD_SETSIZE) && FD_SETSIZE != 1024

# error "FD_SETSIZE was not set to 1024 prior to the last inclusion \

of <winsock.h>. It may have been indirectly included (e.g., by including \

<windows.h>). Find 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;

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static AtomicInt _connections(0);

Mutex Monitor::_cout_mut;

////////////////////////////////////////////////////////////////////////////////

// _getError()

////////////////////////////////////////////////////////////////////////////////

// Added for NamedPipe implementation for windows

static inline int _getError()

#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET)

{

#define PIPE_INCREMENT 1

#ifdef PEGASUS_OS_TYPE_WINDOWS

return WSAGetLastError();

#else

return errno;

#endif

}

////////////////////////////////////////////////////////////////////////////////

Line 94

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////////////////////////////////////////////////////////////////////////////////

#define MAX_NUMBER_OF_MONITOR_ENTRIES 32

Monitor::Monitor()

: _stopConnections(0),

_stopConnectionsSem(0),

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_tickle_server_socket(-1),

_tickle_peer_socket(-1)

{

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Entering: Monitor::Monitor(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

int numberOfMonitorEntriesToAllocate = MAX_NUMBER_OF_MONITOR_ENTRIES;

Socket::initializeInterface();

_entries.reserveCapacity(numberOfMonitorEntriesToAllocate);

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_MonitorEntry entry(0, 0, 0);

_entries.append(entry);

}

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Exiting: Monitor::Monitor(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

}

Monitor::~Monitor()

{

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Entering: Monitor::~Monitor(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "uninitializing interface");

try{

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Socket::uninitializeInterface();

Tracer::trace(TRC_HTTP, Tracer::LEVEL4,

"returning from monitor destructor");

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Exiting: Monitor::~Monitor(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

}

void Monitor::initializeTickler(){

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Entering: Monitor::initializeTickler(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

NOTE: On any errors trying to

setup out tickle connection,

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//handle error

MessageLoaderParms parms("Common.Monitor.TICKLE_CREATE",

"Received error number $0 while creating the internal socket.",

#if !defined(PEGASUS_OS_TYPE_WINDOWS)

_getError());

errno);

#else

WSAGetLastError());

#endif

throw Exception(parms);

}

// set TCP_NODELAY

int opt = 1;

setsockopt(_tickle_server_socket, IPPROTO_TCP, TCP_NODELAY, (char*)&opt, sizeof(opt));

// initialize the address

memset(&_tickle_server_addr, 0, sizeof(_tickle_server_addr));

#ifdef PEGASUS_PLATFORM_OS400_ISERIES_IBM

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_tickle_server_addr.sin_family = PF_INET;

_tickle_server_addr.sin_port = 0;

PEGASUS_SOCKLEN_T _addr_size = sizeof(_tickle_server_addr);

SocketLength _addr_size = sizeof(_tickle_server_addr);

// bind server side to socket

if((::bind(_tickle_server_socket,

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#else

MessageLoaderParms parms("Common.Monitor.TICKLE_BIND",

"Received error number $0 while binding the internal socket.",

#if !defined(PEGASUS_OS_TYPE_WINDOWS)

_getError());

errno);

#else

WSAGetLastError());

#endif

throw Exception(parms);

}

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// handle error

MessageLoaderParms parms("Common.Monitor.TICKLE_LISTEN",

"Received error number $0 while listening to the internal socket.",

#if !defined(PEGASUS_OS_TYPE_WINDOWS)

_getError());

errno);

#else

WSAGetLastError());

#endif

throw Exception(parms);

}

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// handle error

MessageLoaderParms parms("Common.Monitor.TICKLE_SOCKNAME",

"Received error number $0 while getting the internal socket name.",

#if !defined(PEGASUS_OS_TYPE_WINDOWS)

_getError());

errno);

#else

WSAGetLastError());

#endif

throw Exception(parms);

}

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// handle error

MessageLoaderParms parms("Common.Monitor.TICKLE_CLIENT_CREATE",

"Received error number $0 while creating the internal client socket.",

#if !defined(PEGASUS_OS_TYPE_WINDOWS)

_getError());

errno);

#else

WSAGetLastError());

#endif

throw Exception(parms);

}

// set TCP_NODELAY

setsockopt(_tickle_client_socket, IPPROTO_TCP, TCP_NODELAY, (char*)&opt, sizeof(opt));

// setup the address of the client

memset(&_tickle_client_addr, 0, sizeof(_tickle_client_addr));

#ifdef PEGASUS_PLATFORM_OS400_ISERIES_IBM

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// handle error

MessageLoaderParms parms("Common.Monitor.TICKLE_CLIENT_BIND",

"Received error number $0 while binding the internal client socket.",

#if !defined(PEGASUS_OS_TYPE_WINDOWS)

_getError());

errno);

#else

WSAGetLastError());

#endif

throw Exception(parms);

}

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// handle error

MessageLoaderParms parms("Common.Monitor.TICKLE_CLIENT_CONNECT",

"Received error number $0 while connecting the internal client socket.",

#if !defined(PEGASUS_OS_TYPE_WINDOWS)

_getError());

errno);

#else

WSAGetLastError());

#endif

throw Exception(parms);

}

/* set up the slave connection */

memset(&_tickle_peer_addr, 0, sizeof(_tickle_peer_addr));

PEGASUS_SOCKLEN_T peer_size = sizeof(_tickle_peer_addr);

SocketLength peer_size = sizeof(_tickle_peer_addr);

pegasus_sleep(1);

// this call may fail, we will try a max of 20 times to establish this peer connection

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// handle error

MessageLoaderParms parms("Common.Monitor.TICKLE_ACCEPT",

"Received error number $0 while accepting the internal socket connection.",

#if !defined(PEGASUS_OS_TYPE_WINDOWS)

_getError());

errno);

#else

WSAGetLastError());

#endif

throw Exception(parms);

}

// 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);

Tracer::trace(TRC_HTTP,Tracer::LEVEL2,"!!!!!!!! TICKLE SOCKET-ID = %u",_tickle_peer_socket);

entry._status = _MonitorEntry::IDLE;

_entries.append(entry);

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Exiting: Monitor::initializeTickler(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

}

void Monitor::tickle(void)

{

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Entering: Monitor::tickle(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

static char _buffer[] =

{

'0','0'

};

Tracer::trace (TRC_HTTP, Tracer::LEVEL2,

"Now Monitor::Tickle ");

AutoMutex autoMutex(_tickle_mutex);

Socket::disableBlocking(_tickle_client_socket);

Tracer::trace (TRC_HTTP, Tracer::LEVEL2,

"Now Monitor::Tickle::Write() ");

Socket::write(_tickle_client_socket,&_buffer, 2);

Socket::enableBlocking(_tickle_client_socket);

Tracer::trace (TRC_HTTP, Tracer::LEVEL2,

"Now Monitor::Tickled ");

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Exiting: Monitor::tickle(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

}

void Monitor::setState( Uint32 index, _MonitorEntry::entry_status status )

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Boolean handled_events = false;

int i = 0;

struct timeval tv = {milliseconds/1000, milliseconds%1000*1000};

fd_set fdread;

FD_ZERO(&fdread);

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if ((entry._status.get() == _MonitorEntry::DYING) &&

(entry._type == Monitor::CONNECTION))

{

MessageQueue *q = MessageQueue::lookup(entry.queueId);

PEGASUS_ASSERT(q != 0);

HTTPConnection &h = *static_cast<HTTPConnection *>(q);

if (h._connectionClosePending == false)

{

continue;

}

// NOTE: do not attempt to delete while there are pending responses

// coming thru. The last response to come thru after a

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if (h._responsePending == true)

{

// Added for NamedPipe implementation for windows

#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET)

if (!entry.namedPipeConnection)

{

#endif

Tracer::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());

// Added for NamedPipe implementation for windows

#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET)

}

else

{

Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "Monitor::run - "

"Ignoring connection delete request because "

"responses are still pending. "

"connection=0x%p, NamedPipe=%d\n",

(void *)&h, h.getNamedPipe().getPipe());

}

#endif

continue;

}

h._connectionClosePending = false;

MessageQueue &o = h.get_owner();

Message* message = 0;

Message* message= new CloseConnectionMessage(entry.socket);

// Added for NamedPipe implementation for windows

#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET)

if (!entry.namedPipeConnection)

{

#endif

message= new CloseConnectionMessage(entry.socket);

// Added for NamedPipe implementation for windows

#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET)

}

else

{

message= new CloseConnectionMessage(entry.namedPipe);

}

#endif

message->dest = o.getQueueId();

// HTTPAcceptor is responsible for closing the connection.

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autoEntryMutex.lock();

// 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);

}

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place to calculate the max file descriptor (maximum socket number)

because we have to traverse the entire array.

SocketHandle maxSocketCurrentPass = 0;

PEGASUS_SOCKET maxSocketCurrentPass = 0;

for( int indx = 0; indx < (int)entries.size(); indx++)

int indx;

// Record the indexes at which Sockets are available

Array <Uint32> socketCountAssociator;

int socketEntryCount=0;

// Added for NamedPipe implementation for windows

#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET)

//This array associates named pipe connections to their place in [indx]

//in the entries array. The value in portion zero of the array is the

//index of the fist named pipe connection in the entries array

// Record the indexes at which Pipes are available

Array <Uint32> indexPipeCountAssociator;

int pipeEntryCount=0;

int MaxPipes = PIPE_INCREMENT;

// List of Pipe Handlers

HANDLE * hPipeList = new HANDLE[PIPE_INCREMENT];

#endif

// This loop takes care of setting the namedpipe which has to be used from the list....

for ( indx = 0,socketEntryCount=0 ;

indx < (int)entries.size(); indx++)

{

// Added for NamedPipe implementation for windows

#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET)

if (!entries[indx].namedPipeConnection)

{

#endif

if (maxSocketCurrentPass < entries[indx].socket)

{

maxSocketCurrentPass = entries[indx].socket;

}

if(entries[indx]._status.get() == _MonitorEntry::IDLE)

{

_idleEntries++;

FD_SET(entries[indx].socket, &fdread);

socketCountAssociator.append(indx);

socketEntryCount++;

}

// Added for NamedPipe implementation for windows

#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET)

}

else

{

entries[indx].pipeSet = false;

if (pipeEntryCount >= MaxPipes)

{

MaxPipes += PIPE_INCREMENT;

HANDLE* temp_pList = new HANDLE[MaxPipes];

for (Uint32 i =0;i<pipeEntryCount;i++)

{

temp_pList[i] = hPipeList[i];

}

delete [] hPipeList;

hPipeList = temp_pList;

}

hPipeList[pipeEntryCount] = entries[indx].namedPipe.getPipe();

indexPipeCountAssociator.append(indx);

pipeEntryCount++;

}

#endif

}

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autoEntryMutex.unlock();

int events = -1;

// Since the pipes have been introduced, the ratio of procesing

// The first argument to select() is ignored on Windows and it is not

// time Socket:Pipe :: 3/4:1/4 respectively

// a socket value. The original code assumed that the number of sockets

// and a socket value have the same type. On Windows they do not.

Uint32 newMilliseconds = milliseconds;

#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET)

newMilliseconds = (milliseconds * 3)/4 ;

#endif

struct timeval tv = {newMilliseconds/1000, newMilliseconds%1000*1000};

#ifdef PEGASUS_OS_TYPE_WINDOWS

events = select(0, &fdread, NULL, NULL, &tv);

int events = select(0, &fdread, NULL, NULL, &tv);

#else

events = select(maxSocketCurrentPass, &fdread, NULL, NULL, &tv);

int events = select(maxSocketCurrentPass, &fdread, NULL, NULL, &tv);

#endif

autoEntryMutex.lock();

// 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);

#ifdef PEGASUS_OS_TYPE_WINDOWS

if (events == PEGASUS_SOCKET_ERROR)

if(events == SOCKET_ERROR)

#else

if(events == -1)

#endif

{

Tracer::trace(TRC_HTTP, Tracer::LEVEL4,

"Monitor::run - errorno = %d has occurred on select.", errno);

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Tracer::trace(TRC_HTTP, Tracer::LEVEL4,

"Monitor::run select event received events = %d, monitoring %d idle entries",

events, _idleEntries);

for ( int sindx = 0; sindx < socketEntryCount; sindx++)

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).

indx = socketCountAssociator[sindx];

if ((entries[indx]._status.get() == _MonitorEntry::IDLE) &&

(FD_ISSET(entries[indx].socket, &fdread)))

{

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Line 480

Tracer::trace(TRC_HTTP, Tracer::LEVEL4,

"Monitor::run indx = %d, queueId = %d, q = %p",

indx, entries[indx].queueId, q);

PEGASUS_ASSERT(q !=0);

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;

// Do not update the entry just yet. The entry gets updated once

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//entries[indx]._status = _MonitorEntry::BUSY;

// If allocate_and_awaken failure, retry on next iteration

/* Removed for PEP 183.

if (!MessageQueueService::get_thread_pool()->allocate_and_awaken(

(void *)q, _dispatch))

{

Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2,

"Monitor::run: Insufficient resources to process request.");

entries[indx]._status = _MonitorEntry::IDLE;

return true;

}

// Added for PEP 183

HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(q);

Tracer::trace(TRC_HTTP, Tracer::LEVEL4,

"Monitor::_dispatch: entering run() for indx = %d, queueId = %d, q = %p",

Line 716

Line 520

"Monitor::_dispatch: exception received");

}

Tracer::trace(TRC_HTTP, Tracer::LEVEL4,

"Monitor::_dispatch: exited run() for index %d",

"Monitor::_dispatch: exited run() for index %d", dst->_entry_index);

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)

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];

Socket::disableBlocking(entries[indx].socket);

Sint32 amt = Socket::read(entries[indx].socket,&buffer, 2);

Socket::enableBlocking(entries[indx].socket);

entries[indx]._status = _MonitorEntry::IDLE;

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Line 558

{

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);

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// the array of entries can be changed. The ArrayIterator has be reset with the original _entries

entries.reset(_entries);

entries[indx]._status = _MonitorEntry::IDLE;

handled_events = true;

delete [] hPipeList;

return handled_events;

return true;

}

catch(...)

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Line 579

handled_events = true;

}

delete [] hPipeList;

return handled_events;

}

#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET)

//if no pipes are registered return immediately

int pEvents = -1;

int pCount = -1;

BOOL bPeekPipe = 0;

DWORD dwBytesAvail=0;

// The pipe is sniffed and check if there are any data. If available, the

// message is picked from the Queue and appropriate methods are invoked.

// pipeProcessCount records the number of requests that are processed.

// At the end of loop this is verified against the count of request

// on local connection . If there are any pipes which needs to be

// processed we would apply delay and then proceed to iterate.

Uint32 pipeProcessCount =0;

for (int counter = 1; counter < maxIterations ; counter ++)

{

// pipeIndex is used to index into indexPipeCountAssociator to fetch

// index of the _MonitorEntry of Monitor

for (int pipeIndex = 0; pipeIndex < pipeEntryCount; pipeIndex++)

{

dwBytesAvail = 0;

bPeekPipe = ::PeekNamedPipe(hPipeList[pipeIndex],

NULL,

&dwBytesAvail,

NULL

);

// If peek on NamedPipe was successfull and data is available

if (bPeekPipe && dwBytesAvail)

{

Tracer::trace(TRC_HTTP,Tracer::LEVEL4," PIPE_PEEKING FOUND = %u BYTES", dwBytesAvail);

pEvents = 1;

entries[indexPipeCountAssociator[pipeIndex]].pipeSet = true;

Tracer::trace(TRC_HTTP, Tracer::LEVEL4,

"Monitor::run select event received events = %d, \

monitoring %d idle entries",

pEvents,

_idleEntries);

int pIndx = indexPipeCountAssociator[pipeIndex];

if ((entries[pIndx]._status.get() == _MonitorEntry::IDLE) &&

entries[pIndx].namedPipe.isConnected() &&

(pEvents))

{

MessageQueue *q = 0;

try

{

q = MessageQueue::lookup (entries[pIndx].queueId);

}

catch (Exception e)

{

e.getMessage();

}

catch(...)

{

}

Tracer::trace(TRC_HTTP, Tracer::LEVEL4,

"Monitor::run indx = %d, queueId = %d,\

q = %p",pIndx, entries[pIndx].queueId, q);

try

{

if (entries[pIndx]._type == Monitor::CONNECTION)

{

Tracer::trace(TRC_HTTP, Tracer::LEVEL4,

"entries[indx].type for indx = \

%d is Monitor::CONNECTION",

pIndx);

static_cast<HTTPConnection *>(q)->_entry_index = pIndx;

HTTPConnection *dst = reinterpret_cast \

<HTTPConnection *>(q);

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);

// Record that the requested data is read/Written

pipeProcessCount++;

}

catch (...)

{

Tracer::trace(TRC_HTTP, Tracer::LEVEL4,

"Monitor::_dispatch: \

exception received");

}

Tracer::trace(TRC_HTTP, Tracer::LEVEL4,

"Monitor::_dispatch: exited \

\run() index %d",

dst->_entry_index);

}

else

{

/* The condition

entries[indx]._type == Monitor::INTERNAL can be

ignored for pipes as the tickler is of

Monitor::INTERNAL type. The tickler is

a socket.

Tracer::trace(TRC_HTTP, Tracer::LEVEL4,

"Non-connection entry, indx = %d,\

has been received.", pIndx);

int events = 0;

Message *msg = 0;

pEvents |= NamedPipeMessage::READ;

msg = new NamedPipeMessage(entries[pIndx].namedPipe, pEvents);

entries[pIndx]._status = _MonitorEntry::BUSY;

autoEntryMutex.unlock();

q->enqueue(msg);

autoEntryMutex.lock();

entries.reset(_entries);

entries[pIndx]._status = _MonitorEntry::IDLE;

delete [] hPipeList;

return(handled_events);

}

catch(...)

{

}

//Check if all the pipes had recieved the data, If no then try again

if (pipeEntryCount == pipeProcessCount)

{

break;

}

delete [] hPipeList;

#endif

return(handled_events);

}

void Monitor::stopListeningForConnections(Boolean wait)

{

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Entering: Monitor::stopListeningForConnections(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

PEG_METHOD_ENTER(TRC_HTTP, "Monitor::stopListeningForConnections()");

// set boolean then tickle the server to recognize _stopConnections

_stopConnections = 1;

Line 960

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}

PEG_METHOD_EXIT();

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Exiting: Monitor::stopListeningForConnections(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

}

int Monitor::solicitSocketMessages(

PEGASUS_SOCKET socket,

SocketHandle socket,

Uint32 events,

Uint32 queueId,

int type)

{

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Entering: Monitor::solicitSocketMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

PEG_METHOD_ENTER(TRC_HTTP, "Monitor::solicitSocketMessages");

AutoMutex autoMut(_entry_mut);

// Check to see if we need to dynamically grow the _entries array

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_entries[index]._type = type;

_entries[index]._status = _MonitorEntry::IDLE;

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Exiting: Monitor::solicitSocketMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

return index;

}

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}

_solicitSocketCount--; // decrease the count, if we are here we didnt do anything meaningful

PEG_METHOD_EXIT();

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Exiting: Monitor::solicitSocketMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

return -1;

}

void Monitor::unsolicitSocketMessages(PEGASUS_SOCKET socket)

void Monitor::unsolicitSocketMessages(SocketHandle socket)

{

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Entering: Monitor::unsolicitSocketMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitSocketMessages");

AutoMutex autoMut(_entry_mut);

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Line 683

index--;

}

PEG_METHOD_EXIT();

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Exiting: Monitor::unsolicitSocketMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

}

// Note: this is no longer called with PEP 183.

PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL Monitor::_dispatch(void *parm)

{

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Entering: Monitor::_dispatch(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(parm);

Tracer::trace(TRC_HTTP, Tracer::LEVEL4,

"Monitor::_dispatch: entering run() for indx = %d, queueId = %d, q = %p",

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return 0;

}

// Added for NamedPipe implementation for windows

#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET)

//This method is anlogus to solicitSocketMessages. It does the same thing for named Pipes

int Monitor::solicitPipeMessages(

NamedPipe namedPipe,

Uint32 events, //not sure what has to change for this enum

Uint32 queueId,

int type)

{

PEG_METHOD_ENTER(TRC_HTTP, "Monitor::solicitPipeMessages");

AutoMutex autoMut(_entry_mut);

// 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

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "In Monitor::solicitPipeMessages at the begining" << PEGASUS_STD(endl);

}

#endif

_solicitSocketCount++; // bump the count

int size = (int)_entries.size();

if((int)_solicitSocketCount >= (size-1)){

for(int i = 0; i < ((int)_solicitSocketCount - (size-1)); i++){

_MonitorEntry entry(0, 0, 0);

_entries.append(entry);

}

int index;

for(index = 1; index < (int)_entries.size(); index++)

{

try

{

if(_entries[index]._status.get() == _MonitorEntry::EMPTY)

{

_entries[index].socket = NULL;

_entries[index].namedPipe = namedPipe;

_entries[index].namedPipeConnection = true;

_entries[index].queueId = queueId;

_entries[index]._type = type;

_entries[index]._status = _MonitorEntry::IDLE;

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "In Monitor::solicitPipeMessages after seting up _entries[index] index = " << index << PEGASUS_STD(endl);

}

#endif

return index;

}

catch(...)

{

}

_solicitSocketCount--; // decrease the count, if we are here we didnt do anything meaningful

PEGASUS_STD(cout) << "In Monitor::solicitPipeMessages nothing happed - it didn't work" << PEGASUS_STD(endl);

PEG_METHOD_EXIT();

return -1;

}

//////////////////////////////////////////////////////////////////////////////

// Method Name : unsolicitPipeMessages

// Input Parameter : namedPipe - type NamedPipe

// Return Type : void

//============================================================================

// This method is invoked from HTTPAcceptor::handleEnqueue for server

// when the CLOSE_CONNECTION_MESSAGE is recieved. This method is also invoked

// from HTTPAcceptor::destroyConnections method when the CIMServer is shutdown.

// For the CIMClient, this is invoked from HTTPConnector::handleEnqueue when the

// CLOSE_CONNECTION_MESSAGE is recieved. This method is also invoked from

// HTTPConnector::disconnect when CIMClient requests a disconnect request.

// The list of _MonitorEntry is searched for the matching pipe.

// The Handle of the identified is closed and _MonitorEntry for the

// requested pipe is removed.

///////////////////////////////////////////////////////////////////////////////

void Monitor::unsolicitPipeMessages(NamedPipe namedPipe)

{

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Entering: Monitor::unsolicitPipeMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitPipeMessages");

AutoMutex autoMut(_entry_mut);

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++)

{

if (_entries[index].namedPipe.getPipe() == namedPipe.getPipe())

{

_entries[index]._status = _MonitorEntry::EMPTY;

// Ensure that the client has read the data

::FlushFileBuffers (namedPipe.getPipe());

//Disconnect to release the pipe. This doesn't release Pipe Handle

::DisconnectNamedPipe (_entries[index].namedPipe.getPipe());

// Must use CloseHandle to Close Pipe

::CloseHandle(_entries[index].namedPipe.getPipe());

_entries[index].namedPipe.disconnect();

_solicitSocketCount--;

break;

}

Dynamic Contraction:

To remove excess entries we will start from the end of the _entries array

and remove all entries with EMPTY status until we find the first NON EMPTY.

This prevents the positions, of the NON EMPTY entries, from being changed.

index = _entries.size() - 1;

while (_entries[index]._status.get() == _MonitorEntry::EMPTY)

{

if ((_entries[index].namedPipe.getPipe() == namedPipe.getPipe()) ||

(_entries.size() > MAX_NUMBER_OF_MONITOR_ENTRIES))

{

_entries.remove(index);

}

index--;

}

PEG_METHOD_EXIT();

#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG

{

AutoMutex automut(Monitor::_cout_mut);

PEGASUS_STD(cout) << "Exiting: Monitor::unsolicitPipeMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl);

}

#endif

}

#endif

PEGASUS_NAMESPACE_END

Legend:

Removed from v.1.103.10.27
changed lines
	Added in v.1.109

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