version 1.102, 2007/08/03 00:56:52
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version 1.109, 2007/12/18 18:50:45
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PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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static int MAX_CONNECTION_QUEUE_LENGTH = -1; |
static int _maxConnectionQueueLength = -1; |
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//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
// | // |
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_connectionType(connectionType), | _connectionType(connectionType), |
_portNumber(portNumber), | _portNumber(portNumber), |
_sslcontext(sslcontext), | _sslcontext(sslcontext), |
_sslContextObjectLock(sslContextObjectLock) |
_sslContextObjectLock(sslContextObjectLock), |
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_idleConnectionTimeoutSeconds(0) |
{ | { |
Socket::initializeInterface(); | Socket::initializeInterface(); |
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/* | /* |
Platforms interpret the value of MAX_CONNECTION_QUEUE_LENGTH |
Platforms interpret the value of _maxConnectionQueueLength |
differently. Some platforms interpret the value literally, while | differently. Some platforms interpret the value literally, while |
others multiply a fudge factor. When the server is under stress from | others multiply a fudge factor. When the server is under stress from |
multiple clients with multiple requests, toggling this number may | multiple clients with multiple requests, toggling this number may |
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value, we allow an environment variable to be set which specifies a | value, we allow an environment variable to be set which specifies a |
number greater than the maximum concurrent client connections | number greater than the maximum concurrent client connections |
possible. If this environment var is not specified, then | possible. If this environment var is not specified, then |
MAX_CONNECTION_QUEUE_LENGTH = 15. |
_maxConnectionQueueLength = 15. |
*/ | */ |
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//To engage runtime backlog queue length: uncomment the following block AND | //To engage runtime backlog queue length: uncomment the following block AND |
//comment out the line MAX_CONNECTION_QUEUE_LENGTH = 15 |
//comment out the line _maxConnectionQueueLength = 15 |
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/* | /* |
if (MAX_CONNECTION_QUEUE_LENGTH == -1) |
if (_maxConnectionQueueLength == -1) |
{ | { |
const char* env = getenv("PEGASUS_MAX_BACKLOG_CONNECTION_QUEUE"); | const char* env = getenv("PEGASUS_MAX_BACKLOG_CONNECTION_QUEUE"); |
if (!env) | if (!env) |
{ | { |
MAX_CONNECTION_QUEUE_LENGTH = 15; |
_maxConnectionQueueLength = 15; |
} | } |
else | else |
{ | { |
char* end = NULL; | char* end = NULL; |
MAX_CONNECTION_QUEUE_LENGTH = strtol(env, &end, 10); |
_maxConnectionQueueLength = strtol(env, &end, 10); |
if (*end) | if (*end) |
MAX_CONNECTION_QUEUE_LENGTH = 15; |
_maxConnectionQueueLength = 15; |
cout << " MAX_CONNECTION_QUEUE_LENGTH = " << |
cout << " _maxConnectionQueueLength = " << |
MAX_CONNECTION_QUEUE_LENGTH << endl; |
_maxConnectionQueueLength << endl; |
} | } |
} | } |
*/ | */ |
MAX_CONNECTION_QUEUE_LENGTH = 15; |
#ifdef PEGASUS_WMIMAPPER |
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//The WMI Mapper can be used as a proxy to multiple WMI Servers. |
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//If a client application simultaneously initiates connections |
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//to many Windows systems, many of these connections may be routed |
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//to a single WMI Mapper. A larger _maxConnectionQueueLength |
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//value is required to allow these connections to be initiated |
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//successfully. |
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_maxConnectionQueueLength = 40; |
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#else |
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_maxConnectionQueueLength = 15; |
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#endif |
} | } |
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HTTPAcceptor::~HTTPAcceptor() | HTTPAcceptor::~HTTPAcceptor() |
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throw BindFailedException(parms); | throw BindFailedException(parms); |
} | } |
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Socket::disableBlocking(_rep->socket); |
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// set the close-on-exec bit for this file handle. | // set the close-on-exec bit for this file handle. |
// any unix that forks needs this bit set. | // any unix that forks needs this bit set. |
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// Set up listening on the given socket: | // Set up listening on the given socket: |
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//int const MAX_CONNECTION_QUEUE_LENGTH = 15; |
//int const _maxConnectionQueueLength = 15; |
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if (listen(_rep->socket, MAX_CONNECTION_QUEUE_LENGTH) < 0) |
if (listen(_rep->socket, _maxConnectionQueueLength) < 0) |
{ | { |
Socket::close(_rep->socket); | Socket::close(_rep->socket); |
delete _rep; | delete _rep; |
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_rep->socket, | _rep->socket, |
SocketMessage::READ | SocketMessage::EXCEPTION, | SocketMessage::READ | SocketMessage::EXCEPTION, |
getQueueId(), | getQueueId(), |
Monitor::ACCEPTOR))) |
MonitorEntry::TYPE_ACCEPTOR))) |
{ | { |
Socket::close(_rep->socket); | Socket::close(_rep->socket); |
delete _rep; | delete _rep; |
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_socketWriteTimeout = socketWriteTimeout; | _socketWriteTimeout = socketWriteTimeout; |
} | } |
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void HTTPAcceptor::setIdleConnectionTimeout(Uint32 idleConnectionTimeoutSeconds) |
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{ |
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_idleConnectionTimeoutSeconds = idleConnectionTimeoutSeconds; |
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} |
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void HTTPAcceptor::unbind() | void HTTPAcceptor::unbind() |
{ | { |
if (_rep) | if (_rep) |
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#endif | #endif |
} | } |
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SocketHandle socket; |
// It is not necessary to handle EINTR errors from this accept() call. |
#ifdef PEGASUS_OS_TYPE_WINDOWS |
// An EINTR error should not occur on a non-blocking socket. If the |
socket = accept(_rep->socket, accept_address, &address_size); |
// listen socket is blocking and EINTR occurs, the new socket connection |
#else |
// is not accepted here. |
while ( |
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((socket = accept(_rep->socket, accept_address, &address_size)) == -1) |
// EAGAIN errors are also not handled here. An EAGAIN error should not |
&& (errno == EINTR)) |
// occur after select() indicates that the listen socket is available for |
; |
// reading. If the accept() fails with an EAGAIN error code, a new |
#endif |
// connection is not accepted here. |
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SocketHandle socket = accept(_rep->socket, accept_address, &address_size); |
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if (socket == PEGASUS_SOCKET_ERROR) | if (socket == PEGASUS_SOCKET_ERROR) |
{ | { |
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#ifdef PEGASUS_ENABLE_IPV6 | #ifdef PEGASUS_ENABLE_IPV6 |
char ipBuffer[PEGASUS_INET6_ADDRSTR_LEN]; | char ipBuffer[PEGASUS_INET6_ADDRSTR_LEN]; |
int rc; | int rc; |
while ((rc = getnameinfo(accept_address, address_size, ipBuffer, |
if ((rc = System::getNameInfo(accept_address, |
PEGASUS_INET6_ADDRSTR_LEN, 0, 0, NI_NUMERICHOST)) == EAI_AGAIN) |
address_size, |
; |
ipBuffer, |
if (rc) |
PEGASUS_INET6_ADDRSTR_LEN, |
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0, |
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0, |
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NI_NUMERICHOST))) |
{ | { |
Logger::put(Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE, | Logger::put(Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE, |
"HTTPAcceptor - getnameinfo() failure. rc: $0", rc); | "HTTPAcceptor - getnameinfo() failure. rc: $0", rc); |
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SharedPtr<MP_Socket> mp_socket(new MP_Socket( | SharedPtr<MP_Socket> mp_socket(new MP_Socket( |
socket, _sslcontext, _sslContextObjectLock, ipAddress)); | socket, _sslcontext, _sslContextObjectLock, ipAddress)); |
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mp_socket->disableBlocking(); |
mp_socket->setSocketWriteTimeout(_socketWriteTimeout); | mp_socket->setSocketWriteTimeout(_socketWriteTimeout); |
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// Perform the SSL handshake, if applicable. Make the socket non-blocking |
// Perform the SSL handshake, if applicable. |
// for this operation so we can send it back to the Monitor's select() loop |
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// if it takes a while. |
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mp_socket->disableBlocking(); |
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Sint32 socketAcceptStatus = mp_socket->accept(); | Sint32 socketAcceptStatus = mp_socket->accept(); |
mp_socket->enableBlocking(); |
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if (socketAcceptStatus < 0) | if (socketAcceptStatus < 0) |
{ | { |
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HTTPConnection* connection = new HTTPConnection(_monitor, mp_socket, | HTTPConnection* connection = new HTTPConnection(_monitor, mp_socket, |
ipAddress, this, static_cast<MessageQueue *>(_outputMessageQueue)); | ipAddress, this, static_cast<MessageQueue *>(_outputMessageQueue)); |
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if (_idleConnectionTimeoutSeconds) |
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{ |
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connection->_idleConnectionTimeoutSeconds = |
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_idleConnectionTimeoutSeconds; |
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Time::gettimeofday(&connection->_idleStartTime); |
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} |
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if (socketAcceptStatus == 0) | if (socketAcceptStatus == 0) |
{ | { |
PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL2, | PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL2, |
"HTTPAcceptor: SSL_accept() pending"); | "HTTPAcceptor: SSL_accept() pending"); |
connection->_acceptPending = true; | connection->_acceptPending = true; |
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Time::gettimeofday(&connection->_acceptPendingStartTime); |
} | } |
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// Solicit events on this new connection's socket: | // Solicit events on this new connection's socket: |
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if (-1 == (index = _monitor->solicitSocketMessages( | if (-1 == (index = _monitor->solicitSocketMessages( |
connection->getSocket(), | connection->getSocket(), |
SocketMessage::READ | SocketMessage::EXCEPTION, | SocketMessage::READ | SocketMessage::EXCEPTION, |
connection->getQueueId(), Monitor::CONNECTION)) ) |
connection->getQueueId(), MonitorEntry::TYPE_CONNECTION)) ) |
{ | { |
// ATTN-DE-P2-2003100503::TODO::Need to enhance code to return | // ATTN-DE-P2-2003100503::TODO::Need to enhance code to return |
// an error message to Client application. | // an error message to Client application. |