version 1.103.10.9, 2006/06/14 10:48:59
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version 1.121.4.5, 2008/03/26 19:21:44
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// | // |
//============================================================================== | //============================================================================== |
// | // |
// Author: Mike Brasher (mbrasher@bmc.com) |
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// |
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// Modified By: Mike Day (monitor_2) mdday@us.ibm.com |
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// Amit K Arora (Bug#1153) amita@in.ibm.com |
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// Alagaraja Ramasubramanian (alags_raj@in.ibm.com) for Bug#1090 |
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// Sushma Fernandes (sushma@hp.com) for Bug#2057 |
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// Josephine Eskaline Joyce (jojustin@in.ibm.com) for PEP#101 |
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// Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com) |
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// |
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//%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
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#include "Network.h" |
#include <Pegasus/Common/Config.h> | #include <Pegasus/Common/Config.h> |
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#include <cstring> | #include <cstring> |
#include "Monitor.h" | #include "Monitor.h" |
#include "MessageQueue.h" | #include "MessageQueue.h" |
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#include <Pegasus/Common/MessageQueueService.h> | #include <Pegasus/Common/MessageQueueService.h> |
#include <Pegasus/Common/Exception.h> | #include <Pegasus/Common/Exception.h> |
#include "ArrayIterator.h" | #include "ArrayIterator.h" |
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#include "HostAddress.h" |
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#include <errno.h> |
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const static DWORD MAX_BUFFER_SIZE = 4096; // 4 kilobytes |
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#ifdef PEGASUS_OS_TYPE_WINDOWS |
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# if defined(FD_SETSIZE) && FD_SETSIZE != 1024 |
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# error "FD_SETSIZE was not set to 1024 prior to the last inclusion \ |
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of <winsock.h>. It may have been indirectly included (e.g., by including \ |
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<windows.h>). Find inclusion of that header which is visible to this \ |
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compilation unit and #define FD_SETZIE to 1024 prior to that inclusion; \ |
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otherwise, less than 64 clients (the default) will be able to connect to the \ |
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CIMOM. PLEASE DO NOT SUPPRESS THIS WARNING; PLEASE FIX THE PROBLEM." |
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# endif |
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# define FD_SETSIZE 1024 |
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# include <windows.h> |
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#else |
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# include <sys/types.h> |
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# include <sys/socket.h> |
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# include <sys/time.h> |
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# include <netinet/in.h> |
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# include <netdb.h> |
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# include <arpa/inet.h> |
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#endif |
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PEGASUS_USING_STD; | PEGASUS_USING_STD; |
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PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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static AtomicInt _connections(0); |
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Mutex Monitor::_cout_mut; |
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#ifdef PEGASUS_OS_TYPE_WINDOWS |
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#define PIPE_INCREMENT 1 |
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#endif |
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//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
// | // |
// Monitor |
// Tickler |
// | // |
//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
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#define MAX_NUMBER_OF_MONITOR_ENTRIES 32 |
Tickler::Tickler() |
Monitor::Monitor() |
: _listenSocket(PEGASUS_INVALID_SOCKET), |
: _stopConnections(0), |
_clientSocket(PEGASUS_INVALID_SOCKET), |
_stopConnectionsSem(0), |
_serverSocket(PEGASUS_INVALID_SOCKET) |
_solicitSocketCount(0), |
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_tickle_client_socket(-1), |
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_tickle_server_socket(-1), |
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_tickle_peer_socket(-1) |
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{ | { |
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try |
{ | { |
AutoMutex automut(Monitor::_cout_mut); |
_initialize(); |
PEGASUS_STD(cout) << "Entering: Monitor::Monitor(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
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} |
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int numberOfMonitorEntriesToAllocate = MAX_NUMBER_OF_MONITOR_ENTRIES; |
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Socket::initializeInterface(); |
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_entries.reserveCapacity(numberOfMonitorEntriesToAllocate); |
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// setup the tickler |
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initializeTickler(); |
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// Start the count at 1 because initilizeTickler() |
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// has added an entry in the first position of the |
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// _entries array |
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for( int i = 1; i < numberOfMonitorEntriesToAllocate; i++ ) |
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{ |
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_MonitorEntry entry(0, 0, 0); |
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_entries.append(entry); |
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} | } |
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catch (...) |
{ | { |
AutoMutex automut(Monitor::_cout_mut); |
_uninitialize(); |
PEGASUS_STD(cout) << "Exiting: Monitor::Monitor(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
throw; |
} | } |
} | } |
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Monitor::~Monitor() |
Tickler::~Tickler() |
{ |
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{ | { |
AutoMutex automut(Monitor::_cout_mut); |
_uninitialize(); |
PEGASUS_STD(cout) << "Entering: Monitor::~Monitor(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
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} | } |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "uninitializing interface"); |
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try{ |
void Tickler::notify() |
if(_tickle_peer_socket >= 0) |
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{ | { |
Socket::close(_tickle_peer_socket); |
Socket::write(_clientSocket, "\0", 1); |
} | } |
if(_tickle_client_socket >= 0) |
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void Tickler::reset() |
{ | { |
Socket::close(_tickle_client_socket); |
// Clear all bytes from the tickle socket |
} |
char buffer[32]; |
if(_tickle_server_socket >= 0) |
while (Socket::read(_serverSocket, buffer, 32) > 0) |
{ | { |
Socket::close(_tickle_server_socket); |
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} | } |
} | } |
catch(...) |
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#if defined(PEGASUS_OS_TYPE_UNIX) |
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// Use an anonymous pipe for the tickle connection. |
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void Tickler::_initialize() |
{ | { |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
int fds[2]; |
"Failed to close tickle sockets"); |
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} |
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Socket::uninitializeInterface(); |
if (pipe(fds) == -1) |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
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"returning from monitor destructor"); |
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{ | { |
AutoMutex automut(Monitor::_cout_mut); |
MessageLoaderParms parms( |
PEGASUS_STD(cout) << "Exiting: Monitor::~Monitor(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
"Common.Monitor.TICKLE_CREATE", |
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"Received error number $0 while creating the internal socket.", |
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getSocketError()); |
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throw Exception(parms); |
} | } |
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_serverSocket = fds[0]; |
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_clientSocket = fds[1]; |
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Socket::disableBlocking(_serverSocket); |
} | } |
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void Monitor::initializeTickler(){ |
#else |
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// Use an external loopback socket connection to allow the tickle socket to |
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// be included in the select() array on non-Unix platforms. |
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void Tickler::_initialize() |
{ | { |
AutoMutex automut(Monitor::_cout_mut); |
// |
PEGASUS_STD(cout) << "Entering: Monitor::initializeTickler(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
// Set up the addresses for the listen, client, and server sockets |
} |
// based on whether IPv6 is enabled. |
/* |
// |
NOTE: On any errors trying to |
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setup out tickle connection, |
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throw an exception/end the server |
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*/ |
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/* setup the tickle server/listener */ |
Socket::initializeInterface(); |
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// get a socket for the server side |
# ifdef PEGASUS_ENABLE_IPV6 |
if((_tickle_server_socket = ::socket(PF_INET, SOCK_STREAM, 0)) == PEGASUS_INVALID_SOCKET){ |
struct sockaddr_storage listenAddress; |
//handle error |
struct sockaddr_storage clientAddress; |
MessageLoaderParms parms("Common.Monitor.TICKLE_CREATE", |
struct sockaddr_storage serverAddress; |
"Received error number $0 while creating the internal socket.", |
# else |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
struct sockaddr_in listenAddress; |
errno); |
struct sockaddr_in clientAddress; |
#else |
struct sockaddr_in serverAddress; |
WSAGetLastError()); |
# endif |
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int addressFamily; |
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SocketLength addressLength; |
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memset(&listenAddress, 0, sizeof (listenAddress)); |
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# ifdef PEGASUS_ENABLE_IPV6 |
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if (System::isIPv6StackActive()) |
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{ |
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// Use the IPv6 loopback address for the listen sockets |
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HostAddress::convertTextToBinary( |
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HostAddress::AT_IPV6, |
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"::1", |
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&reinterpret_cast<struct sockaddr_in6*>(&listenAddress)->sin6_addr); |
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listenAddress.ss_family = AF_INET6; |
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reinterpret_cast<struct sockaddr_in6*>(&listenAddress)->sin6_port = 0; |
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addressFamily = AF_INET6; |
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addressLength = sizeof(struct sockaddr_in6); |
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} |
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else |
#endif | #endif |
throw Exception(parms); |
{ |
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// Use the IPv4 loopback address for the listen sockets |
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HostAddress::convertTextToBinary( |
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HostAddress::AT_IPV4, |
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"127.0.0.1", |
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&reinterpret_cast<struct sockaddr_in*>( |
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&listenAddress)->sin_addr.s_addr); |
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reinterpret_cast<struct sockaddr_in*>(&listenAddress)->sin_family = |
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AF_INET; |
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reinterpret_cast<struct sockaddr_in*>(&listenAddress)->sin_port = 0; |
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addressFamily = AF_INET; |
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addressLength = sizeof(struct sockaddr_in); |
} | } |
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// initialize the address |
// Use the same address for the client socket as the listen socket |
memset(&_tickle_server_addr, 0, sizeof(_tickle_server_addr)); |
clientAddress = listenAddress; |
#ifdef PEGASUS_PLATFORM_OS400_ISERIES_IBM |
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#pragma convert(37) |
// |
#endif |
// Set up a listen socket to allow the tickle client and server to connect |
_tickle_server_addr.sin_addr.s_addr = inet_addr("127.0.0.1"); |
// |
#ifdef PEGASUS_PLATFORM_OS400_ISERIES_IBM |
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#pragma convert(0) |
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#endif |
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_tickle_server_addr.sin_family = PF_INET; |
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_tickle_server_addr.sin_port = 0; |
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PEGASUS_SOCKLEN_T _addr_size = sizeof(_tickle_server_addr); |
// Create the listen socket |
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if ((_listenSocket = Socket::createSocket(addressFamily, SOCK_STREAM, 0)) == |
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PEGASUS_INVALID_SOCKET) |
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{ |
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MessageLoaderParms parms( |
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"Common.Monitor.TICKLE_CREATE", |
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"Received error number $0 while creating the internal socket.", |
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getSocketError()); |
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throw Exception(parms); |
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} |
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// bind server side to socket |
// Bind the listen socket to the loopback address |
if((::bind(_tickle_server_socket, |
if (::bind( |
reinterpret_cast<struct sockaddr*>(&_tickle_server_addr), |
_listenSocket, |
sizeof(_tickle_server_addr))) < 0){ |
reinterpret_cast<struct sockaddr*>(&listenAddress), |
// handle error |
addressLength) < 0) |
#ifdef PEGASUS_OS_ZOS |
{ |
MessageLoaderParms parms("Common.Monitor.TICKLE_BIND_LONG", |
MessageLoaderParms parms( |
"Received error:$0 while binding the internal socket.",strerror(errno)); |
"Common.Monitor.TICKLE_BIND", |
#else |
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MessageLoaderParms parms("Common.Monitor.TICKLE_BIND", |
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"Received error number $0 while binding the internal socket.", | "Received error number $0 while binding the internal socket.", |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
getSocketError()); |
errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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#endif |
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throw Exception(parms); | throw Exception(parms); |
} | } |
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// tell the kernel we are a server |
// Listen for a connection from the tickle client |
if((::listen(_tickle_server_socket,3)) < 0){ |
if ((::listen(_listenSocket, 3)) < 0) |
// handle error |
{ |
MessageLoaderParms parms("Common.Monitor.TICKLE_LISTEN", |
MessageLoaderParms parms( |
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"Common.Monitor.TICKLE_LISTEN", |
"Received error number $0 while listening to the internal socket.", | "Received error number $0 while listening to the internal socket.", |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
getSocketError()); |
errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); | throw Exception(parms); |
} | } |
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// make sure we have the correct socket for our server |
// Verify we have the correct listen socket |
int sock = ::getsockname(_tickle_server_socket, |
SocketLength tmpAddressLength = addressLength; |
reinterpret_cast<struct sockaddr*>(&_tickle_server_addr), |
int sock = ::getsockname( |
&_addr_size); |
_listenSocket, |
if(sock < 0){ |
reinterpret_cast<struct sockaddr*>(&listenAddress), |
// handle error |
&tmpAddressLength); |
MessageLoaderParms parms("Common.Monitor.TICKLE_SOCKNAME", |
if (sock < 0) |
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{ |
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MessageLoaderParms parms( |
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"Common.Monitor.TICKLE_SOCKNAME", |
"Received error number $0 while getting the internal socket name.", | "Received error number $0 while getting the internal socket name.", |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
getSocketError()); |
errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); | throw Exception(parms); |
} | } |
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/* set up the tickle client/connector */ |
// |
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// Set up the client side of the tickle connection. |
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// |
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// get a socket for our tickle client |
// Create the client socket |
if((_tickle_client_socket = ::socket(PF_INET, SOCK_STREAM, 0)) == PEGASUS_INVALID_SOCKET){ |
if ((_clientSocket = Socket::createSocket(addressFamily, SOCK_STREAM, 0)) == |
// handle error |
PEGASUS_INVALID_SOCKET) |
MessageLoaderParms parms("Common.Monitor.TICKLE_CLIENT_CREATE", |
{ |
"Received error number $0 while creating the internal client socket.", |
MessageLoaderParms parms( |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
"Common.Monitor.TICKLE_CLIENT_CREATE", |
errno); |
"Received error number $0 while creating the internal client " |
#else |
"socket.", |
WSAGetLastError()); |
getSocketError()); |
#endif |
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throw Exception(parms); | throw Exception(parms); |
} | } |
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// setup the address of the client |
// Bind the client socket to the loopback address |
memset(&_tickle_client_addr, 0, sizeof(_tickle_client_addr)); |
if (::bind( |
#ifdef PEGASUS_PLATFORM_OS400_ISERIES_IBM |
_clientSocket, |
#pragma convert(37) |
reinterpret_cast<struct sockaddr*>(&clientAddress), |
#endif |
addressLength) < 0) |
_tickle_client_addr.sin_addr.s_addr = inet_addr("127.0.0.1"); |
{ |
#ifdef PEGASUS_PLATFORM_OS400_ISERIES_IBM |
MessageLoaderParms parms( |
#pragma convert(0) |
"Common.Monitor.TICKLE_CLIENT_BIND", |
#endif |
"Received error number $0 while binding the internal client " |
_tickle_client_addr.sin_family = PF_INET; |
"socket.", |
_tickle_client_addr.sin_port = 0; |
getSocketError()); |
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throw Exception(parms); |
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} |
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// bind socket to client side |
// Connect the client socket to the listen socket address |
if((::bind(_tickle_client_socket, |
if (::connect( |
reinterpret_cast<struct sockaddr*>(&_tickle_client_addr), |
_clientSocket, |
sizeof(_tickle_client_addr))) < 0){ |
reinterpret_cast<struct sockaddr*>(&listenAddress), |
// handle error |
addressLength) < 0) |
MessageLoaderParms parms("Common.Monitor.TICKLE_CLIENT_BIND", |
{ |
"Received error number $0 while binding the internal client socket.", |
MessageLoaderParms parms( |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
"Common.Monitor.TICKLE_CLIENT_CONNECT", |
errno); |
"Received error number $0 while connecting the internal client " |
#else |
"socket.", |
WSAGetLastError()); |
getSocketError()); |
#endif |
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throw Exception(parms); | throw Exception(parms); |
} | } |
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// connect to server side |
// |
if((::connect(_tickle_client_socket, |
// Set up the server side of the tickle connection. |
reinterpret_cast<struct sockaddr*>(&_tickle_server_addr), |
// |
sizeof(_tickle_server_addr))) < 0){ |
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// handle error |
tmpAddressLength = addressLength; |
MessageLoaderParms parms("Common.Monitor.TICKLE_CLIENT_CONNECT", |
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"Received error number $0 while connecting the internal client socket.", |
// Accept the client socket connection. |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
_serverSocket = ::accept( |
errno); |
_listenSocket, |
#else |
reinterpret_cast<struct sockaddr*>(&serverAddress), |
WSAGetLastError()); |
&tmpAddressLength); |
#endif |
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if (_serverSocket == PEGASUS_SOCKET_ERROR) |
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{ |
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MessageLoaderParms parms( |
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"Common.Monitor.TICKLE_ACCEPT", |
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"Received error number $0 while accepting the internal socket " |
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"connection.", |
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getSocketError()); |
throw Exception(parms); | throw Exception(parms); |
} | } |
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/* set up the slave connection */ |
// |
memset(&_tickle_peer_addr, 0, sizeof(_tickle_peer_addr)); |
// Close the listen socket and make the other sockets non-blocking |
PEGASUS_SOCKLEN_T peer_size = sizeof(_tickle_peer_addr); |
// |
pegasus_sleep(1); |
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Socket::close(_listenSocket); |
// this call may fail, we will try a max of 20 times to establish this peer connection |
_listenSocket = PEGASUS_INVALID_SOCKET; |
if((_tickle_peer_socket = ::accept(_tickle_server_socket, |
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reinterpret_cast<struct sockaddr*>(&_tickle_peer_addr), |
Socket::disableBlocking(_serverSocket); |
&peer_size)) < 0){ |
Socket::disableBlocking(_clientSocket); |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
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// Only retry on non-windows platforms. |
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if(_tickle_peer_socket == -1 && errno == EAGAIN) |
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{ |
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int retries = 0; |
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do |
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{ |
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pegasus_sleep(1); |
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_tickle_peer_socket = ::accept(_tickle_server_socket, |
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reinterpret_cast<struct sockaddr*>(&_tickle_peer_addr), |
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&peer_size); |
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retries++; |
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} while(_tickle_peer_socket == -1 && errno == EAGAIN && retries < 20); |
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} | } |
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#endif | #endif |
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void Tickler::_uninitialize() |
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{ |
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PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL4, "uninitializing interface"); |
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try |
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{ |
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if (_serverSocket != PEGASUS_INVALID_SOCKET) |
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{ |
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Socket::close(_serverSocket); |
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_serverSocket = PEGASUS_INVALID_SOCKET; |
} | } |
if(_tickle_peer_socket == -1){ |
if (_clientSocket != PEGASUS_INVALID_SOCKET) |
// handle error |
{ |
MessageLoaderParms parms("Common.Monitor.TICKLE_ACCEPT", |
Socket::close(_clientSocket); |
"Received error number $0 while accepting the internal socket connection.", |
_clientSocket = PEGASUS_INVALID_SOCKET; |
#if !defined(PEGASUS_OS_TYPE_WINDOWS) |
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errno); |
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#else |
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WSAGetLastError()); |
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#endif |
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throw Exception(parms); |
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} | } |
// add the tickler to the list of entries to be monitored and set to IDLE because Monitor only |
if (_listenSocket != PEGASUS_INVALID_SOCKET) |
// checks entries with IDLE state for events |
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_MonitorEntry entry(_tickle_peer_socket, 1, INTERNAL); |
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entry._status = _MonitorEntry::IDLE; |
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_entries.append(entry); |
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{ | { |
AutoMutex automut(Monitor::_cout_mut); |
Socket::close(_listenSocket); |
PEGASUS_STD(cout) << "Exiting: Monitor::initializeTickler(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
_listenSocket = PEGASUS_INVALID_SOCKET; |
} | } |
} | } |
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catch (...) |
void Monitor::tickle(void) |
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{ |
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{ | { |
AutoMutex automut(Monitor::_cout_mut); |
PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL4, |
PEGASUS_STD(cout) << "Entering: Monitor::tickle(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
"Failed to close tickle sockets"); |
} | } |
static char _buffer[] = |
Socket::uninitializeInterface(); |
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} |
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//////////////////////////////////////////////////////////////////////////////// |
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// |
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// Monitor |
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// |
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//////////////////////////////////////////////////////////////////////////////// |
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#define MAX_NUMBER_OF_MONITOR_ENTRIES 32 |
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Monitor::Monitor() |
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: _stopConnections(0), |
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_stopConnectionsSem(0), |
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_solicitSocketCount(0) |
{ | { |
'0','0' |
int numberOfMonitorEntriesToAllocate = MAX_NUMBER_OF_MONITOR_ENTRIES; |
}; |
_entries.reserveCapacity(numberOfMonitorEntriesToAllocate); |
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AutoMutex autoMutex(_tickle_mutex); |
// Create a MonitorEntry for the Tickler and set its state to IDLE so the |
Socket::disableBlocking(_tickle_client_socket); |
// Monitor will watch for its events. |
Socket::write(_tickle_client_socket,&_buffer, 2); |
_MonitorEntry entry(_tickler.getReadHandle(), 1, INTERNAL); |
Socket::enableBlocking(_tickle_client_socket); |
entry._status = _MonitorEntry::IDLE; |
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_entries.append(entry); |
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// Start the count at 1 because _entries[0] is the Tickler |
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for (int i = 1; i < numberOfMonitorEntriesToAllocate; i++) |
{ | { |
AutoMutex automut(Monitor::_cout_mut); |
_MonitorEntry entry(0, 0, 0); |
PEGASUS_STD(cout) << "Exiting: Monitor::tickle(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
_entries.append(entry); |
} | } |
} | } |
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void Monitor::setState( Uint32 index, _MonitorEntry::entry_status status ) |
Monitor::~Monitor() |
{ | { |
// Set the state to requested state |
PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL4, |
_entries[index]._status = status; |
"returning from monitor destructor"); |
} | } |
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Boolean Monitor::run(Uint32 milliseconds) |
void Monitor::tickle() |
{ | { |
{ |
_tickler.notify(); |
AutoMutex automut(Monitor::_cout_mut); |
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PEGASUS_STD(cout) << "Entering: Monitor::run(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
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} | } |
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Boolean handled_events = false; |
void Monitor::setState( |
int i = 0; |
Uint32 index, |
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_MonitorEntry::entry_status status) |
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{ |
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AutoMutex autoEntryMutex(_entry_mut); |
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// Set the state to requested state |
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_entries[index]._status = status; |
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} |
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void Monitor::run(Uint32 milliseconds) |
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{ |
struct timeval tv = {milliseconds/1000, milliseconds%1000*1000}; | struct timeval tv = {milliseconds/1000, milliseconds%1000*1000}; |
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fd_set fdread; | fd_set fdread; |
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ArrayIterator<_MonitorEntry> entries(_entries); | ArrayIterator<_MonitorEntry> entries(_entries); |
| |
// Check the stopConnections flag. If set, clear the Acceptor monitor entries |
// Check the stopConnections flag. If set, clear the Acceptor monitor |
|
// entries |
if (_stopConnections.get() == 1) | if (_stopConnections.get() == 1) |
{ | { |
for ( int indx = 0; indx < (int)entries.size(); indx++) | for ( int indx = 0; indx < (int)entries.size(); indx++) |
|
|
| |
if (h._responsePending == true) | if (h._responsePending == true) |
{ | { |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "Monitor::run - " |
PEG_TRACE((TRC_HTTP, Tracer::LEVEL4, |
"Ignoring connection delete request because " |
"Monitor::run - Ignoring connection delete request " |
"responses are still pending. " |
"because responses are still pending. " |
"connection=0x%p, socket=%d\n", | "connection=0x%p, socket=%d\n", |
(void *)&h, h.getSocket()); |
(void *)&h, h.getSocket())); |
continue; | continue; |
} | } |
h._connectionClosePending = false; | h._connectionClosePending = false; |
|
|
// unlocked will not result in an ArrayIndexOutOfBounds | // unlocked will not result in an ArrayIndexOutOfBounds |
// exception. | // exception. |
| |
autoEntryMutex.unlock(); |
_entry_mut.unlock(); |
o.enqueue(message); | o.enqueue(message); |
autoEntryMutex.lock(); |
_entry_mut.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. |
// 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.reset(_entries); |
} | } |
} | } |
|
|
place to calculate the max file descriptor (maximum socket number) | place to calculate the max file descriptor (maximum socket number) |
because we have to traverse the entire array. | because we have to traverse the entire array. |
*/ | */ |
//Array<HANDLE> pipeEventArray; |
SocketHandle maxSocketCurrentPass = 0; |
PEGASUS_SOCKET maxSocketCurrentPass = 0; |
for (int indx = 0; indx < (int)entries.size(); indx++) |
int indx; |
|
|
|
|
|
#ifdef PEGASUS_OS_TYPE_WINDOWS |
|
|
|
//This array associates named pipe connections to their place in [indx] |
|
//in the entries array. The value in poition zero of the array is the |
|
//index of the fist named pipe connection in the entries array |
|
Array <Uint32> indexPipeCountAssociator; |
|
int pipeEntryCount=0; |
|
int MaxPipes = PIPE_INCREMENT; |
|
HANDLE* hEvents = new HANDLE[PIPE_INCREMENT]; |
|
|
|
#endif |
|
|
|
for( indx = 0; indx < (int)entries.size(); indx++) |
|
{ |
|
|
|
|
|
#ifdef PEGASUS_OS_TYPE_WINDOWS |
|
if(entries[indx].isNamedPipeConnection()) |
|
{ |
|
|
|
//entering this clause mean that a Named Pipe connection is at entries[indx] |
|
//cout << "In Monitor::run in clause to to create array of for WaitformultipuleObjects" << endl; |
|
|
|
//cout << "In Monitor::run - pipe being added to array is " << entries[indx].namedPipe.getName() << endl; |
|
|
|
entries[indx].pipeSet = false; |
|
|
|
// We can Keep a counter in the Monitor class for the number of named pipes ... |
|
// Which can be used here to create the array size for hEvents..( obviously before this for loop.:-) ) |
|
if (pipeEntryCount >= MaxPipes) |
|
{ |
|
// cout << "Monitor::run 'if (pipeEntryCount >= MaxPipes)' begining - pipeEntryCount=" << |
|
// pipeEntryCount << " MaxPipes=" << MaxPipes << endl; |
|
MaxPipes += PIPE_INCREMENT; |
|
HANDLE* temp_hEvents = new HANDLE[MaxPipes]; |
|
|
|
for (Uint32 i =0;i<pipeEntryCount;i++) |
|
{ |
|
temp_hEvents[i] = hEvents[i]; |
|
} |
|
|
|
delete [] hEvents; |
|
|
|
hEvents = temp_hEvents; |
|
// cout << "Monitor::run 'if (pipeEntryCount >= MaxPipes)' ending"<< endl; |
|
|
|
} |
|
|
|
//pipeEventArray.append((entries[indx].namedPipe.getOverlap()).hEvent); |
|
hEvents[pipeEntryCount] = entries[indx].namedPipe.getOverlap().hEvent; |
|
|
|
indexPipeCountAssociator.append(indx); |
|
|
|
pipeEntryCount++; |
|
|
|
|
|
|
|
// cout << "Monitor::run pipeEntrycount is " << pipeEntryCount << |
|
// " this is the type " << entries[indx]._type << " this is index " << indx << endl; |
|
|
|
} |
|
else |
|
|
|
#endif |
|
{ | { |
|
|
if(maxSocketCurrentPass < entries[indx].socket) | if(maxSocketCurrentPass < entries[indx].socket) |
maxSocketCurrentPass = entries[indx].socket; | maxSocketCurrentPass = entries[indx].socket; |
| |
|
|
_idleEntries++; | _idleEntries++; |
FD_SET(entries[indx].socket, &fdread); | FD_SET(entries[indx].socket, &fdread); |
} | } |
|
|
} |
|
} | } |
| |
/* | /* |
|
|
*/ | */ |
maxSocketCurrentPass++; | maxSocketCurrentPass++; |
| |
autoEntryMutex.unlock(); |
_entry_mut.unlock(); |
| |
// | // |
// The first argument to select() is ignored on Windows and it is not | // The first argument to select() is ignored on Windows and it is not |
|
|
// and a socket value have the same type. On Windows they do not. | // and a socket value have the same type. On Windows they do not. |
// | // |
#ifdef PEGASUS_OS_TYPE_WINDOWS | #ifdef PEGASUS_OS_TYPE_WINDOWS |
//int events = select(0, &fdread, NULL, NULL, &tv); |
int events = select(0, &fdread, NULL, NULL, &tv); |
int events = 0; |
|
DWORD dwWait=NULL; |
|
int pEvents = 0; |
|
|
|
// cout << "events after select" << events << endl; |
|
cout << "Calling WaitForMultipleObjects\n"; |
|
|
|
//this should be in a try block |
|
|
|
dwWait = WaitForMultipleObjects(MaxPipes, |
|
hEvents, //ABB:- array of event objects |
|
FALSE, // ABB:-does not wait for all |
|
20000); //ABB:- timeout value |
|
|
|
if(dwWait == WAIT_TIMEOUT) |
|
{ |
|
cout << "Wait WAIT_TIMEOUT\n"; |
|
|
|
// Sleep(2000); |
|
//continue; |
|
|
|
//return false; // I think we do nothing.... Mybe there is a socket connection... so |
|
// cant return. |
|
} |
|
else if (dwWait == WAIT_FAILED) |
|
{ |
|
cout << "Wait Failed returned\n"; |
|
cout << "failed with " << GetLastError() << "." << endl; |
|
pEvents = -1; |
|
return false; |
|
} |
|
else |
|
{ |
|
int pCount = dwWait - WAIT_OBJECT_0; // determines which pipe |
|
// cout << " WaitForMultiPleObject returned activity on server pipe: "<< |
|
// pCount<< endl; |
|
|
|
pEvents = 1; |
|
|
|
//this statment gets the pipe entry that was trigered |
|
entries[indexPipeCountAssociator[pCount]].pipeSet = true; |
|
|
|
if (pCount > 0) //this means activity on pipe is CIMOperation reques |
|
{ |
|
// cout << "In Monitor::run got Operation request" << endl; |
|
//entries[indx]._type = Monitor::CONNECTION; |
|
} |
|
else //this clause my not be needed in production but is used for testing |
|
{ |
|
// cout << "In Monitor::run got Connection request" << endl; |
|
|
|
} |
|
|
|
} |
|
// |
|
|
|
|
|
// Sleep(2000); |
|
|
|
//int events = 1; |
|
/*if (dwWait) |
|
{ |
|
cout << "in Monitor::run about to call handlePipeConnectionEvent" << endl; |
|
_handlePipeConnectionEvent(dwWait); |
|
}*/ |
|
#else | #else |
int events = select(maxSocketCurrentPass, &fdread, NULL, NULL, &tv); | int events = select(maxSocketCurrentPass, &fdread, NULL, NULL, &tv); |
#endif | #endif |
autoEntryMutex.lock(); |
_entry_mut.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(pEvents == -1) |
|
{ |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::run - errorno = %d has occurred on select.",GetLastError() ); |
|
// 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. |
|
|
|
// We need to generate an assert here... |
|
PEGASUS_ASSERT(GetLastError()!= EBADF); |
|
| |
|
struct timeval timeNow; |
|
Time::gettimeofday(&timeNow); |
| |
} |
// 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); |
| |
if(events == SOCKET_ERROR) |
if (events == PEGASUS_SOCKET_ERROR) |
#else |
|
if(events == -1) |
|
#endif |
|
{ | { |
|
PEG_TRACE((TRC_HTTP, Tracer::LEVEL4, |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
"Monitor::run - errorno = %d has occurred on select.", errno)); |
"Monitor::run - errorno = %d has occurred on select.", errno); |
|
// The EBADF error indicates that one or more or the file | // The EBADF error indicates that one or more or the file |
// descriptions was not valid. This could indicate that | // descriptions was not valid. This could indicate that |
// the entries structure has been corrupted or that | // the entries structure has been corrupted or that |
|
|
| |
PEGASUS_ASSERT(errno != EBADF); | PEGASUS_ASSERT(errno != EBADF); |
} | } |
else if ((events)||(pEvents)) |
else if (events) |
{ | { |
|
PEG_TRACE((TRC_HTTP, Tracer::LEVEL4, |
// cout << "IN Monior::run 'else if (events)' clause - array size is " << |
"Monitor::run select event received events = %d, monitoring %d " |
// (int)entries.size() << endl; |
"idle entries", |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
events, _idleEntries)); |
"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++) |
{ | { |
//cout << "Monitor::run at start of 'for( int indx = 0; indx ' - index = " << indx << endl; |
// The Monitor should only look at entries in the table that are |
// The Monitor should only look at entries in the table that are IDLE (i.e., |
// IDLE (i.e., owned by the Monitor). |
// owned by the Monitor). |
if ((entries[indx]._status.get() == _MonitorEntry::IDLE) && |
if(((entries[indx]._status.get() == _MonitorEntry::IDLE) && |
(FD_ISSET(entries[indx].socket, &fdread))) |
FD_ISSET(entries[indx].socket, &fdread)&& (events)) || |
|
(entries[indx].isNamedPipeConnection() && entries[indx].pipeSet && (pEvents))) |
|
{ |
|
MessageQueue *q; |
|
cout << "IN Monior::run inside - for int indx = " <<indx << |
|
"and queue ID is " << entries[indx].queueId << endl; |
|
try{ |
|
|
|
q = MessageQueue::lookup(entries[indx].queueId); |
|
} |
|
catch (Exception e) |
|
{ |
|
cout << " this is what lookup gives - " << e.getMessage() << endl; |
|
exit(1); |
|
} |
|
catch(...) |
|
{ | { |
cout << "MessageQueue::lookup gives strange exception " << endl; |
MessageQueue *q = MessageQueue::lookup(entries[indx].queueId); |
exit(1); |
PEG_TRACE((TRC_HTTP, Tracer::LEVEL4, |
} |
|
|
|
|
|
|
|
cout << "Monitor::run after MessageQueue::lookup(entries[indx].queueId)" << endl; |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Monitor::run indx = %d, queueId = %d, q = %p", | "Monitor::run indx = %d, queueId = %d, q = %p", |
indx, entries[indx].queueId, q); |
indx, entries[indx].queueId, q)); |
cout << "Monitor::run before PEGASUS_ASSerT(q !=0) " << endl; |
|
PEGASUS_ASSERT(q !=0); | PEGASUS_ASSERT(q !=0); |
| |
try | try |
{ | { |
cout <<" this is the type " << entries[indx]._type << |
|
"for index " << indx << endl; |
|
cout << "IN Monior::run right before entries[indx]._type == Monitor::CONNECTION" << endl; |
|
if(entries[indx]._type == Monitor::CONNECTION) | if(entries[indx]._type == Monitor::CONNECTION) |
{ | { |
cout << "In Monitor::run Monitor::CONNECTION clause" << endl; |
PEG_TRACE((TRC_HTTP, Tracer::LEVEL4, |
|
"entries[indx].type for indx = %d is " |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
"Monitor::CONNECTION", |
"entries[indx].type for indx = %d is Monitor::CONNECTION", indx); |
indx)); |
static_cast<HTTPConnection *>(q)->_entry_index = indx; |
HTTPConnection *dst = |
|
reinterpret_cast<HTTPConnection *>(q); |
// Do not update the entry just yet. The entry gets updated once |
dst->_entry_index = indx; |
// the request has been read. |
|
//entries[indx]._status = _MonitorEntry::BUSY; |
// Update idle start time because we have received some |
|
// data. Any data is good data at this point, and we'll |
// If allocate_and_awaken failure, retry on next iteration |
// keep the connection alive, even if we've exceeded |
/* Removed for PEP 183. |
// the idleConnectionTimeout, which will be checked |
if (!MessageQueueService::get_thread_pool()->allocate_and_awaken( |
// when we call closeConnectionOnTimeout() next. |
(void *)q, _dispatch)) |
Time::gettimeofday(&dst->_idleStartTime); |
{ |
|
Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2, |
// Check for accept pending (ie. SSL handshake pending) |
"Monitor::run: Insufficient resources to process request."); |
// or idle connection timeouts for sockets from which |
entries[indx]._status = _MonitorEntry::IDLE; |
// we received data (avoiding extra queue lookup below). |
return true; |
if (!dst->closeConnectionOnTimeout(&timeNow)) |
} |
{ |
*/ |
|
// Added for PEP 183 |
PEG_TRACE((TRC_HTTP, Tracer::LEVEL4, |
HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(q); |
"Monitor::_dispatch: entering run() for " |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
"indx = %d, queueId = %d, q = %p", |
"Monitor::_dispatch: entering run() for indx = %d, queueId = %d, q = %p", |
dst->_entry_index, |
dst->_entry_index, dst->_monitor->_entries[dst->_entry_index].queueId, dst); |
dst->_monitor-> |
|
_entries[dst->_entry_index].queueId, |
/*In the case of named Pipes, the request has already been read from the pipe |
dst)); |
therefor this section passed the request data to the HTTPConnection |
|
NOTE: not sure if this would be better suited in a sparate private method |
|
*/ |
|
dst->setNamedPipe(entries[indx].namedPipe); //this step shouldn't be needd |
|
cout << "In Monitor::run after dst->setNamedPipe string read is " << |
|
entries[indx].namedPipe.raw << endl; |
|
| |
try | try |
{ | { |
cout << "In Monitor::run about to call 'dst->run(1)' " << endl; |
|
dst->run(1); | dst->run(1); |
} | } |
catch (...) | catch (...) |
{ | { |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL4, |
"Monitor::_dispatch: exception received"); | "Monitor::_dispatch: exception received"); |
} | } |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
PEG_TRACE((TRC_HTTP, Tracer::LEVEL4, |
"Monitor::_dispatch: exited run() for index %d", dst->_entry_index); |
"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 |
|
cout << " in - entries[indx]._type == Monitor::INTERNAL- " << endl; |
|
|
|
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; |
|
} | } |
else |
|
{ |
|
cout << "In Monitor::run else clause of CONNECTION if statments" << endl; |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"Non-connection entry, indx = %d, has been received.", indx); |
|
int events = 0; |
|
Message *msg; |
|
cout << " In Monitor::run Just before checking if NamedPipeConnection" << "for Index "<<indx<< endl; |
|
|
|
if (entries[indx].isNamedPipeConnection()) |
|
{ |
|
if(!entries[indx].namedPipe.isConnectionPipe) |
|
{ /*if we enter this clasue it means that the named pipe that we are |
|
looking at has recived a connection but is not the pipe we get connection requests over. |
|
therefore we neew to change the _type to CONNECTION and wait for a CIM Operations request*/ |
|
entries[indx]._type = Monitor::CONNECTION; |
|
|
|
|
|
/* This is a test - this shows that the read file needs to be done |
|
before we call wiatForMultipleObjects*/ |
|
/****************************************************** |
|
********************************************************/ |
|
|
|
//DWORD size = 0; |
|
|
|
BOOL rc = ::ReadFile( |
|
entries[indx].namedPipe.getPipe(), |
|
&entries[indx].namedPipe.raw, |
|
MAX_BUFFER_SIZE, |
|
&entries[indx].namedPipe.bytesRead, |
|
&entries[indx].namedPipe.getOverlap()); |
|
|
|
cout << "just called read on index " << indx << endl; |
|
|
|
//&entries[indx].namedPipe.bytesRead = &size; |
|
if(!rc) |
|
{ |
|
|
|
cout << "ReadFile failed for : " << GetLastError() << "."<< endl; |
|
|
|
} | } |
|
else if (entries[indx]._type == Monitor::INTERNAL) |
|
{ |
|
_tickler.reset(); |
/****************************************************** |
|
********************************************************/ |
|
|
|
|
|
|
|
|
|
continue; |
|
|
|
} |
|
cout << " In Monitor::run about to create a Pipe message" << endl; |
|
events |= NamedPipeMessage::READ; |
|
msg = new NamedPipeMessage(entries[indx].namedPipe, events); |
|
} | } |
else | else |
{ | { |
cout << " In Monitor::run ..its a socket message" << endl; |
PEG_TRACE((TRC_HTTP, Tracer::LEVEL4, |
|
"Non-connection entry, indx = %d, has been " |
|
"received.", |
|
indx)); |
|
int events = 0; |
events |= SocketMessage::READ; | events |= SocketMessage::READ; |
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; |
autoEntryMutex.unlock(); |
_entry_mut.unlock(); |
q->enqueue(msg); | q->enqueue(msg); |
autoEntryMutex.lock(); |
_entry_mut.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 |
// 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.reset(_entries); |
entries[indx]._status = _MonitorEntry::IDLE; | entries[indx]._status = _MonitorEntry::IDLE; |
|
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Exiting: Monitor::run(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
return true; |
|
} | } |
} | } |
catch(...) | catch(...) |
{ | { |
} | } |
handled_events = true; |
} |
|
// else check for accept pending (ie. SSL handshake pending) or |
|
// idle connection timeouts for sockets from which we did not |
|
// receive data. |
|
else if ((entries[indx]._status.get() == _MonitorEntry::IDLE) && |
|
entries[indx]._type == Monitor::CONNECTION) |
|
{ |
|
MessageQueue *q = MessageQueue::lookup(entries[indx].queueId); |
|
HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(q); |
|
dst->_entry_index = indx; |
|
dst->closeConnectionOnTimeout(&timeNow); |
} | } |
} | } |
} | } |
|
// else if "events" is zero (ie. select timed out) then we still need |
|
// to check if there are any pending SSL handshakes that have timed out. |
|
else |
{ | { |
AutoMutex automut(Monitor::_cout_mut); |
for (int indx = 0; indx < (int)entries.size(); indx++) |
PEGASUS_STD(cout) << "Exiting: Monitor::run(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
{ |
|
if ((entries[indx]._status.get() == _MonitorEntry::IDLE) && |
|
entries[indx]._type == Monitor::CONNECTION) |
|
{ |
|
MessageQueue *q = MessageQueue::lookup(entries[indx].queueId); |
|
HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(q); |
|
dst->_entry_index = indx; |
|
dst->closeConnectionOnTimeout(&timeNow); |
|
} |
|
} |
} | } |
return(handled_events); |
|
} | } |
| |
void Monitor::stopListeningForConnections(Boolean wait) | void Monitor::stopListeningForConnections(Boolean wait) |
{ | { |
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Entering: Monitor::stopListeningForConnections(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::stopListeningForConnections()"); | PEG_METHOD_ENTER(TRC_HTTP, "Monitor::stopListeningForConnections()"); |
// set boolean then tickle the server to recognize _stopConnections | // set boolean then tickle the server to recognize _stopConnections |
_stopConnections = 1; | _stopConnections = 1; |
|
|
} | } |
| |
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Exiting: Monitor::stopListeningForConnections(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
} | } |
| |
| |
int Monitor::solicitSocketMessages( | int Monitor::solicitSocketMessages( |
PEGASUS_SOCKET socket, |
SocketHandle socket, |
Uint32 events, | Uint32 events, |
Uint32 queueId, | Uint32 queueId, |
int type) | int type) |
{ | { |
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Entering: Monitor::solicitSocketMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::solicitSocketMessages"); | PEG_METHOD_ENTER(TRC_HTTP, "Monitor::solicitSocketMessages"); |
AutoMutex autoMut(_entry_mut); | AutoMutex autoMut(_entry_mut); |
// Check to see if we need to dynamically grow the _entries array | // Check to see if we need to dynamically grow the _entries array |
|
|
// current connections requested | // current connections requested |
_solicitSocketCount++; // bump the count | _solicitSocketCount++; // bump the count |
int size = (int)_entries.size(); | int size = (int)_entries.size(); |
if((int)_solicitSocketCount >= (size-1)){ |
if ((int)_solicitSocketCount >= (size-1)) |
for(int i = 0; i < ((int)_solicitSocketCount - (size-1)); i++){ |
{ |
|
for (int i = 0; i < ((int)_solicitSocketCount - (size-1)); i++) |
|
{ |
_MonitorEntry entry(0, 0, 0); | _MonitorEntry entry(0, 0, 0); |
_entries.append(entry); | _entries.append(entry); |
} | } |
|
|
_entries[index]._type = type; | _entries[index]._type = type; |
_entries[index]._status = _MonitorEntry::IDLE; | _entries[index]._status = _MonitorEntry::IDLE; |
| |
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Exiting: Monitor::solicitSocketMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
return index; | return index; |
} | } |
} | } |
|
|
{ | { |
} | } |
} | } |
_solicitSocketCount--; // decrease the count, if we are here we didnt do anything meaningful |
// decrease the count, if we are here we didn't do anything meaningful |
|
_solicitSocketCount--; |
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Exiting: Monitor::solicitSocketMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
return -1; | return -1; |
|
|
} | } |
| |
void Monitor::unsolicitSocketMessages(PEGASUS_SOCKET socket) |
void Monitor::unsolicitSocketMessages(SocketHandle socket) |
{ | { |
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Entering: Monitor::unsolicitSocketMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
|
|
PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitSocketMessages"); | PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitSocketMessages"); |
AutoMutex autoMut(_entry_mut); | AutoMutex autoMut(_entry_mut); |
| |
/* | /* |
Start at index = 1 because _entries[0] is the tickle entry which never needs |
Start at index = 1 because _entries[0] is the tickle entry which |
to be EMPTY; |
never needs to be EMPTY; |
*/ | */ |
unsigned int index; | unsigned int index; |
for(index = 1; index < _entries.size(); index++) | for(index = 1; index < _entries.size(); index++) |
|
|
| |
/* | /* |
Dynamic Contraction: | Dynamic Contraction: |
To remove excess entries we will start from the end of the _entries array |
To remove excess entries we will start from the end of the _entries |
and remove all entries with EMPTY status until we find the first NON EMPTY. |
array and remove all entries with EMPTY status until we find the |
This prevents the positions, of the NON EMPTY entries, from being changed. |
first NON EMPTY. This prevents the positions, of the NON EMPTY |
|
entries, from being changed. |
*/ | */ |
index = _entries.size() - 1; | index = _entries.size() - 1; |
while(_entries[index]._status.get() == _MonitorEntry::EMPTY){ |
while (_entries[index]._status.get() == _MonitorEntry::EMPTY) |
|
{ |
if(_entries.size() > MAX_NUMBER_OF_MONITOR_ENTRIES) | if(_entries.size() > MAX_NUMBER_OF_MONITOR_ENTRIES) |
_entries.remove(index); | _entries.remove(index); |
index--; | index--; |
} | } |
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Exiting: Monitor::unsolicitSocketMessages(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
} | } |
| |
// Note: this is no longer called with PEP 183. | // Note: this is no longer called with PEP 183. |
PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL Monitor::_dispatch(void *parm) |
ThreadReturnType PEGASUS_THREAD_CDECL Monitor::_dispatch(void* parm) |
{ | { |
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Entering: Monitor::_dispatch(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(parm); | HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(parm); |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
PEG_TRACE((TRC_HTTP, Tracer::LEVEL4, |
"Monitor::_dispatch: entering run() for indx = %d, queueId = %d, q = %p", |
"Monitor::_dispatch: entering run() for indx = %d, queueId = %d, " |
dst->_entry_index, dst->_monitor->_entries[dst->_entry_index].queueId, dst); |
"q = %p", |
|
dst->_entry_index, |
|
dst->_monitor->_entries[dst->_entry_index].queueId, |
|
dst)); |
|
|
try | try |
{ | { |
dst->run(1); | dst->run(1); |
} | } |
catch (...) | catch (...) |
{ | { |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL4, |
"Monitor::_dispatch: exception received"); | "Monitor::_dispatch: exception received"); |
} | } |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
PEG_TRACE((TRC_HTTP, Tracer::LEVEL4, |
"Monitor::_dispatch: exited run() for index %d", dst->_entry_index); |
"Monitor::_dispatch: exited run() for index %d", dst->_entry_index)); |
| |
PEGASUS_ASSERT(dst->_monitor->_entries[dst->_entry_index]._status.get() == _MonitorEntry::BUSY); |
PEGASUS_ASSERT(dst->_monitor->_entries[dst->_entry_index]._status.get() == |
|
_MonitorEntry::BUSY); |
| |
// Once the HTTPConnection thread has set the status value to either | // Once the HTTPConnection thread has set the status value to either |
// Monitor::DYING or Monitor::IDLE, it has returned control of the connection |
// Monitor::DYING or Monitor::IDLE, it has returned control of the |
// to the Monitor. It is no longer permissible to access the connection |
// connection to the Monitor. It is no longer permissible to access the |
// or the entry in the _entries table. |
// connection or the entry in the _entries table. |
if (dst->_connectionClosePending) | if (dst->_connectionClosePending) |
{ | { |
dst->_monitor->_entries[dst->_entry_index]._status = _MonitorEntry::DYING; |
dst->_monitor->_entries[dst->_entry_index]._status = |
|
_MonitorEntry::DYING; |
} | } |
else | else |
{ | { |
dst->_monitor->_entries[dst->_entry_index]._status = _MonitorEntry::IDLE; |
dst->_monitor->_entries[dst->_entry_index]._status = |
|
_MonitorEntry::IDLE; |
} | } |
return 0; | return 0; |
} | } |
| |
|
|
//This method is anlogsu 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 |
|
PEGASUS_STD(cout) << "In Monitor::solicitPipeMessages at the begining" << PEGASUS_STD(endl); |
|
|
|
|
|
|
|
_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; |
|
|
|
PEGASUS_STD(cout) << "In Monitor::solicitPipeMessages after seting up _entries[index] index = " << index << PEGASUS_STD(endl); |
|
|
|
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; |
|
|
|
} |
|
|
|
|
|
PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |