version 1.103, 2006/01/30 16:17:05
|
version 1.103.10.26, 2006/10/10 08:33:26
|
|
|
// | // |
//============================================================================== | //============================================================================== |
// | // |
// 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 <Pegasus/Common/Config.h> | #include <Pegasus/Common/Config.h> |
| |
#include <cstring> | #include <cstring> |
#include "Monitor.h" |
#include <Pegasus/Common/Monitor.h> |
#include "MessageQueue.h" |
#include <Pegasus/Common/MessageQueue.h> |
#include "Socket.h" |
#include <Pegasus/Common/Socket.h> |
#include <Pegasus/Common/Tracer.h> | #include <Pegasus/Common/Tracer.h> |
#include <Pegasus/Common/HTTPConnection.h> | #include <Pegasus/Common/HTTPConnection.h> |
#include <Pegasus/Common/MessageQueueService.h> | #include <Pegasus/Common/MessageQueueService.h> |
#include <Pegasus/Common/Exception.h> | #include <Pegasus/Common/Exception.h> |
#include "ArrayIterator.h" |
#include <Pegasus/Common/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 | #ifdef PEGASUS_OS_TYPE_WINDOWS |
# if defined(FD_SETSIZE) && FD_SETSIZE != 1024 | # if defined(FD_SETSIZE) && FD_SETSIZE != 1024 |
|
|
| |
static AtomicInt _connections(0); | static AtomicInt _connections(0); |
| |
|
Mutex Monitor::_cout_mut; |
|
|
|
|
|
// Added for NamedPipe implementation for windows |
|
#if defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET) |
|
#define PIPE_INCREMENT 1 |
|
#endif |
|
|
//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
// | // |
// Monitor | // Monitor |
|
|
//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
| |
#define MAX_NUMBER_OF_MONITOR_ENTRIES 32 | #define MAX_NUMBER_OF_MONITOR_ENTRIES 32 |
|
|
Monitor::Monitor() | Monitor::Monitor() |
: _stopConnections(0), | : _stopConnections(0), |
_stopConnectionsSem(0), | _stopConnectionsSem(0), |
|
|
_tickle_server_socket(-1), | _tickle_server_socket(-1), |
_tickle_peer_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; | int numberOfMonitorEntriesToAllocate = MAX_NUMBER_OF_MONITOR_ENTRIES; |
Socket::initializeInterface(); | Socket::initializeInterface(); |
_entries.reserveCapacity(numberOfMonitorEntriesToAllocate); | _entries.reserveCapacity(numberOfMonitorEntriesToAllocate); |
|
|
_MonitorEntry entry(0, 0, 0); | _MonitorEntry entry(0, 0, 0); |
_entries.append(entry); | _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() | 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"); | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "uninitializing interface"); |
| |
try{ | try{ |
|
|
Socket::uninitializeInterface(); | Socket::uninitializeInterface(); |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
"returning from monitor destructor"); | "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(){ | 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 | NOTE: On any errors trying to |
setup out tickle connection, | setup out tickle connection, |
|
|
// add the tickler to the list of entries to be monitored and set to IDLE because Monitor only | // 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 | // checks entries with IDLE state for events |
_MonitorEntry entry(_tickle_peer_socket, 1, INTERNAL); | _MonitorEntry entry(_tickle_peer_socket, 1, INTERNAL); |
|
Tracer::trace(TRC_HTTP,Tracer::LEVEL2,"!!!!!!!! TICKLE SOCKET-ID = %u",_tickle_peer_socket); |
entry._status = _MonitorEntry::IDLE; | entry._status = _MonitorEntry::IDLE; |
_entries.append(entry); | _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) | 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[] = | static char _buffer[] = |
{ | { |
'0','0' | '0','0' |
}; | }; |
|
Tracer::trace (TRC_HTTP, Tracer::LEVEL2, |
|
"Now Monitor::Tickle "); |
AutoMutex autoMutex(_tickle_mutex); | AutoMutex autoMutex(_tickle_mutex); |
Socket::disableBlocking(_tickle_client_socket); | Socket::disableBlocking(_tickle_client_socket); |
|
Tracer::trace (TRC_HTTP, Tracer::LEVEL2, |
|
"Now Monitor::Tickle::Write() "); |
|
|
Socket::write(_tickle_client_socket,&_buffer, 2); | Socket::write(_tickle_client_socket,&_buffer, 2); |
Socket::enableBlocking(_tickle_client_socket); | 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 ) | void Monitor::setState( Uint32 index, _MonitorEntry::entry_status status ) |
|
|
Boolean handled_events = false; | Boolean handled_events = false; |
int i = 0; | int i = 0; |
| |
struct timeval tv = {milliseconds/1000, milliseconds%1000*1000}; |
|
| |
fd_set fdread; | fd_set fdread; |
FD_ZERO(&fdread); | FD_ZERO(&fdread); |
|
|
if ((entry._status.get() == _MonitorEntry::DYING) && | if ((entry._status.get() == _MonitorEntry::DYING) && |
(entry._type == Monitor::CONNECTION)) | (entry._type == Monitor::CONNECTION)) |
{ | { |
|
|
MessageQueue *q = MessageQueue::lookup(entry.queueId); | MessageQueue *q = MessageQueue::lookup(entry.queueId); |
PEGASUS_ASSERT(q != 0); | PEGASUS_ASSERT(q != 0); |
HTTPConnection &h = *static_cast<HTTPConnection *>(q); | HTTPConnection &h = *static_cast<HTTPConnection *>(q); |
| |
if (h._connectionClosePending == false) | if (h._connectionClosePending == false) |
|
{ |
continue; | continue; |
|
} |
|
|
| |
// NOTE: do not attempt to delete while there are pending responses | // NOTE: do not attempt to delete while there are pending responses |
// coming thru. The last response to come thru after a | // coming thru. The last response to come thru after a |
|
|
| |
if (h._responsePending == true) | 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 - " | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "Monitor::run - " |
"Ignoring connection delete request because " | "Ignoring connection delete request because " |
"responses are still pending. " | "responses are still pending. " |
"connection=0x%p, socket=%d\n", | "connection=0x%p, socket=%d\n", |
(void *)&h, h.getSocket()); | (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; | continue; |
} | } |
h._connectionClosePending = false; | h._connectionClosePending = false; |
MessageQueue &o = h.get_owner(); | MessageQueue &o = h.get_owner(); |
Message* message= new CloseConnectionMessage(entry.socket); |
Message* message = 0; |
|
|
|
// 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(); | message->dest = o.getQueueId(); |
| |
// HTTPAcceptor is responsible for closing the connection. | // HTTPAcceptor is responsible for closing the connection. |
|
|
autoEntryMutex.lock(); | autoEntryMutex.lock(); |
// After enqueue a message and the autoEntryMutex has been released and locked again, | // 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. | // 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. |
*/ | */ |
|
|
PEGASUS_SOCKET 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) | if(maxSocketCurrentPass < entries[indx].socket) |
|
{ |
maxSocketCurrentPass = entries[indx].socket; | maxSocketCurrentPass = entries[indx].socket; |
|
} |
if(entries[indx]._status.get() == _MonitorEntry::IDLE) | if(entries[indx]._status.get() == _MonitorEntry::IDLE) |
{ | { |
_idleEntries++; | _idleEntries++; |
FD_SET(entries[indx].socket, &fdread); | 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 |
} | } |
| |
/* | /* |
|
|
| |
autoEntryMutex.unlock(); | autoEntryMutex.unlock(); |
| |
// |
int events = -1; |
// The first argument to select() is ignored on Windows and it is not |
// Since the pipes have been introduced, the ratio of procesing |
// a socket value. The original code assumed that the number of sockets |
// time Socket:Pipe :: 3/4:1/4 respectively |
// 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 | #ifdef PEGASUS_OS_TYPE_WINDOWS |
int events = select(0, &fdread, NULL, NULL, &tv); |
events = select(0, &fdread, NULL, NULL, &tv); |
#else | #else |
int events = select(maxSocketCurrentPass, &fdread, NULL, NULL, &tv); |
events = select(maxSocketCurrentPass, &fdread, NULL, NULL, &tv); |
#endif | #endif |
|
|
autoEntryMutex.lock(); | autoEntryMutex.lock(); |
// After enqueue a message and the autoEntryMutex has been released and locked again, | // 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 | // the array of _entries can be changed. The ArrayIterator has be reset with the original _entries |
entries.reset(_entries); | entries.reset(_entries); |
|
|
#ifdef PEGASUS_OS_TYPE_WINDOWS | #ifdef PEGASUS_OS_TYPE_WINDOWS |
if(events == SOCKET_ERROR) | if(events == SOCKET_ERROR) |
#else | #else |
|
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
"Monitor::run select event received events = %d, monitoring %d idle entries", | "Monitor::run select event received events = %d, monitoring %d idle entries", |
events, _idleEntries); | events, _idleEntries); |
for( int indx = 0; indx < (int)entries.size(); indx++) |
for ( int sindx = 0; sindx < socketEntryCount; sindx++) |
{ | { |
// The Monitor should only look at entries in the table that are IDLE (i.e., | // The Monitor should only look at entries in the table that are IDLE (i.e., |
// owned by the Monitor). | // owned by the Monitor). |
|
indx = socketCountAssociator[sindx]; |
|
|
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))) |
{ | { |
|
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, | 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); |
|
|
PEGASUS_ASSERT(q !=0); | PEGASUS_ASSERT(q !=0); |
| |
try | try |
{ | { |
if(entries[indx]._type == Monitor::CONNECTION) | if(entries[indx]._type == Monitor::CONNECTION) |
{ | { |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
|
"entries[indx].type for indx = %d is Monitor::CONNECTION", indx); |
|
static_cast<HTTPConnection *>(q)->_entry_index = indx; | static_cast<HTTPConnection *>(q)->_entry_index = indx; |
| |
// Do not update the entry just yet. The entry gets updated once | // Do not update the entry just yet. The entry gets updated once |
|
|
//entries[indx]._status = _MonitorEntry::BUSY; | //entries[indx]._status = _MonitorEntry::BUSY; |
| |
// If allocate_and_awaken failure, retry on next iteration | // 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); | HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(q); |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, | Tracer::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, q = %p", |
|
|
"Monitor::_dispatch: exception received"); | "Monitor::_dispatch: exception received"); |
} | } |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, | Tracer::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){ |
else if (entries[indx]._type == Monitor::INTERNAL) |
|
{ |
// set ourself to BUSY, | // set ourself to BUSY, |
// read the data | // read the data |
// and set ourself back to IDLE | // and set ourself back to IDLE |
|
|
entries[indx]._status = _MonitorEntry::BUSY; |
|
static char buffer[2]; | static char buffer[2]; |
Socket::disableBlocking(entries[indx].socket); | Socket::disableBlocking(entries[indx].socket); |
|
|
Sint32 amt = Socket::read(entries[indx].socket,&buffer, 2); | Sint32 amt = Socket::read(entries[indx].socket,&buffer, 2); |
Socket::enableBlocking(entries[indx].socket); | Socket::enableBlocking(entries[indx].socket); |
entries[indx]._status = _MonitorEntry::IDLE; | entries[indx]._status = _MonitorEntry::IDLE; |
|
|
{ | { |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, | Tracer::trace(TRC_HTTP, Tracer::LEVEL4, |
"Non-connection entry, indx = %d, has been received.", indx); | "Non-connection entry, indx = %d, has been received.", indx); |
|
|
int events = 0; | int events = 0; |
events |= SocketMessage::READ; | events |= SocketMessage::READ; |
Message *msg = new SocketMessage(entries[indx].socket, events); | Message *msg = new SocketMessage(entries[indx].socket, events); |
|
|
// the array of entries can be changed. The ArrayIterator has be reset with the original _entries | // 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; |
|
handled_events = true; |
| |
return true; |
|
} | } |
} | } |
catch(...) | catch(...) |
|
|
handled_events = true; | handled_events = true; |
} | } |
} | } |
|
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; |
|
Tracer::trace(TRC_HTTP,Tracer::LEVEL4," PIPE_PEEKING for PIPE = %u ", hPipeList[pipeIndex]); |
|
bPeekPipe = ::PeekNamedPipe(hPipeList[pipeIndex], |
|
NULL, |
|
NULL, |
|
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; |
|
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, "EVENT TRIGGERED in Pipe = %u ",entries[indexPipeCountAssociator[pipeIndex]].namedPipe.getPipe()); |
|
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; |
|
return true; |
|
} |
|
|
|
|
|
} |
|
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); | return(handled_events); |
} | } |
| |
void Monitor::stopListeningForConnections(Boolean wait) | 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()"); | 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(); |
|
#ifdef PEGASUS_LOCALDOMAINSOCKET_DEBUG |
|
{ |
|
AutoMutex automut(Monitor::_cout_mut); |
|
PEGASUS_STD(cout) << "Exiting: Monitor::stopListeningForConnections(): (tid:" << Uint32(pegasus_thread_self()) << ")" << PEGASUS_STD(endl); |
|
} |
|
#endif |
} | } |
| |
| |
|
|
Uint32 queueId, | Uint32 queueId, |
int type) | 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"); | 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 |
|
|
_entries[index]._type = type; | _entries[index]._type = type; |
_entries[index]._status = _MonitorEntry::IDLE; | _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; | return index; |
} | } |
} | } |
|
|
} | } |
_solicitSocketCount--; // decrease the count, if we are here we didnt do anything meaningful | _solicitSocketCount--; // decrease the count, if we are here we didnt do anything meaningful |
PEG_METHOD_EXIT(); | 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; | return -1; |
| |
} | } |
| |
void Monitor::unsolicitSocketMessages(PEGASUS_SOCKET socket) | void Monitor::unsolicitSocketMessages(PEGASUS_SOCKET 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"); | PEG_METHOD_ENTER(TRC_HTTP, "Monitor::unsolicitSocketMessages"); |
AutoMutex autoMut(_entry_mut); | AutoMutex autoMut(_entry_mut); |
|
|
index--; | index--; |
} | } |
PEG_METHOD_EXIT(); | 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. | // Note: this is no longer called with PEP 183. |
PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL Monitor::_dispatch(void *parm) | 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); | HTTPConnection *dst = reinterpret_cast<HTTPConnection *>(parm); |
Tracer::trace(TRC_HTTP, Tracer::LEVEL4, | Tracer::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, q = %p", |
|
|
return 0; | 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 | PEGASUS_NAMESPACE_END |