add

+/*
+ * Copyright 2008 Stephen Liu
+ * For license terms, see the file COPYING along with this library.
+ */
+
+#include <winsock2.h>
+#include <windows.h>
+#include <stdio.h>
+#include <assert.h>
+
+#include "spthread.hpp"
+
+#define _CRTDBG_MAP_ALLOC
+#include <stdlib.h>
+#include <crtdbg.h>
+
+#include "spporting.hpp"
+#include "spwin32iocp.hpp"
+#include "spiocpserver.hpp"
+
+#include "spmsgdecoder.hpp"
+#include "spbuffer.hpp"
+
+#include "sphandler.hpp"
+#include "spresponse.hpp"
+#include "sprequest.hpp"
+#include "sputils.hpp"
+
+#pragma comment(lib,"ws2_32")
+#pragma comment(lib,"mswsock")
+
+class SP_OnlineSidList {
+public:
+	SP_OnlineSidList();
+	~SP_OnlineSidList();
+
+	void copy( SP_SidList * outList, SP_Sid_t * ignoreSid = NULL );
+	void remove( SP_Sid_t sid );
+	void add( SP_Sid_t sid );
+	int getCount();
+
+private:
+	SP_SidList mList;
+	sp_thread_mutex_t mMutex;
+};
+
+SP_OnlineSidList :: SP_OnlineSidList()
+{
+	sp_thread_mutex_init( &mMutex, NULL );
+}
+
+SP_OnlineSidList :: ~SP_OnlineSidList()
+{
+	sp_thread_mutex_destroy( &mMutex );
+}
+
+void SP_OnlineSidList :: copy( SP_SidList * outList, SP_Sid_t * ignoreSid )
+{
+	sp_thread_mutex_lock( &mMutex );
+
+	for( int i = 0; i < mList.getCount(); i++ ) {
+		if( NULL != ignoreSid ) {
+			SP_Sid_t theSid = mList.get( i );
+			if( theSid.mKey == ignoreSid->mKey && theSid.mSeq == ignoreSid->mSeq ) {
+				continue;
+			}
+		}
+
+		outList->add( mList.get( i ) );
+	}
+
+	sp_thread_mutex_unlock( &mMutex );
+}
+
+void SP_OnlineSidList :: remove( SP_Sid_t sid )
+{
+	sp_thread_mutex_lock( &mMutex );
+
+	for( int i = 0; i < mList.getCount(); i++ ) {
+		SP_Sid_t theSid = mList.get( i );
+		if( theSid.mKey == sid.mKey && theSid.mSeq == sid.mSeq ) {
+			mList.take( i );
+			break;
+		}
+	}
+
+	sp_thread_mutex_unlock( &mMutex );
+}
+
+void SP_OnlineSidList :: add( SP_Sid_t sid )
+{
+	sp_thread_mutex_lock( &mMutex );
+
+	mList.add( sid );
+
+	sp_thread_mutex_unlock( &mMutex );
+}
+
+int SP_OnlineSidList :: getCount()
+{
+	int count = 0;
+
+	sp_thread_mutex_lock( &mMutex );
+
+	count = mList.getCount();
+
+	sp_thread_mutex_unlock( &mMutex );
+
+	return count;
+}
+
+//---------------------------------------------------------
+
+class SP_ChatHandler : public SP_Handler {
+public:
+	SP_ChatHandler( SP_OnlineSidList * onlineSidList );
+	virtual ~SP_ChatHandler();
+
+	virtual int start( SP_Request * request, SP_Response * response );
+
+	// return -1 : terminate session, 0 : continue
+	virtual int handle( SP_Request * request, SP_Response * response );
+
+	virtual void error( SP_Response * response );
+
+	virtual void timeout( SP_Response * response );
+
+	virtual void close();
+
+private:
+	SP_Sid_t mSid;
+
+	SP_OnlineSidList * mOnlineSidList;
+
+	static int mMsgSeq;
+
+	void broadcast( SP_Response * response, const char * buffer, SP_Sid_t * ignoreSid = 0 );
+};
+
+int SP_ChatHandler :: mMsgSeq = 0;
+
+SP_ChatHandler :: SP_ChatHandler( SP_OnlineSidList * onlineSidList )
+{
+	memset( &mSid, 0, sizeof( mSid ) );
+
+	mOnlineSidList = onlineSidList;
+}
+
+SP_ChatHandler :: ~SP_ChatHandler()
+{
+}
+
+void SP_ChatHandler :: broadcast( SP_Response * response, const char * buffer, SP_Sid_t * ignoreSid )
+{
+	if( mOnlineSidList->getCount() > 0 ) {
+		SP_Message * msg = new SP_Message();
+		mOnlineSidList->copy( msg->getToList(), ignoreSid );
+		msg->setCompletionKey( ++mMsgSeq );
+
+		msg->getMsg()->append( buffer );
+		response->addMessage( msg );
+	}
+}
+
+int SP_ChatHandler :: start( SP_Request * request, SP_Response * response )
+{
+	request->setMsgDecoder( new SP_MultiLineMsgDecoder() );
+
+	mSid = response->getFromSid();
+
+	char buffer[ 128 ] = { 0 };
+	snprintf( buffer, sizeof( buffer ),
+		"Welcome %d to chat server, enter 'quit' to quit.\r\n", mSid.mKey );
+	response->getReply()->getMsg()->append( buffer );
+	response->getReply()->setCompletionKey( ++mMsgSeq );
+
+	snprintf( buffer, sizeof( buffer ), "SYS : %d online\r\n", mSid.mKey);
+
+	broadcast( response, buffer );
+
+	mOnlineSidList->add( mSid );
+
+	return 0;
+}
+
+int SP_ChatHandler :: handle( SP_Request * request, SP_Response * response )
+{
+	SP_MultiLineMsgDecoder * decoder = (SP_MultiLineMsgDecoder*)request->getMsgDecoder();
+	SP_CircleQueue * msgQueue = decoder->getQueue();
+
+	char buffer[ 256 ] = { 0 };
+	int ret = 0;
+
+	for( ; NULL != msgQueue->top(); ) {
+		char * line = (char*)msgQueue->pop();
+		if( 0 != strcasecmp( line, "quit" ) ) {
+			snprintf( buffer, sizeof( buffer ), "%d say: %s\r\n", mSid.mKey, line );
+			broadcast( response, buffer );
+		} else {
+			snprintf( buffer, sizeof( buffer ), "SYS : %d normal offline\r\n", mSid.mKey );
+			broadcast( response, buffer, &mSid );
+
+			response->getReply()->getMsg()->append( "SYS : Byebye\r\n" );
+			response->getReply()->setCompletionKey( ++mMsgSeq );
+
+			ret = -1;
+		}
+
+		free( line );
+	}
+
+	return ret;
+}
+
+void SP_ChatHandler :: error( SP_Response * response )
+{
+	char buffer[ 64 ] = { 0 };
+	snprintf( buffer, sizeof( buffer ), "SYS : %d error offline\r\n", mSid.mKey );
+
+	broadcast( response, buffer, &mSid );
+}
+
+void SP_ChatHandler :: timeout( SP_Response * response )
+{
+	char buffer[ 64 ] = { 0 };
+	snprintf( buffer, sizeof( buffer ), "SYS : %d timeout offline\r\n", mSid.mKey );
+
+	broadcast( response, buffer, &mSid );
+}
+
+void SP_ChatHandler :: close()
+{
+	mOnlineSidList->remove( mSid );
+}
+
+//---------------------------------------------------------
+
+class SP_ChatCompletionHandler : public SP_CompletionHandler {
+public:
+	SP_ChatCompletionHandler();
+	~SP_ChatCompletionHandler();
+	virtual void completionMessage( SP_Message * msg );
+};
+
+SP_ChatCompletionHandler :: SP_ChatCompletionHandler()
+{
+}
+
+SP_ChatCompletionHandler :: ~SP_ChatCompletionHandler()
+{
+}
+
+void SP_ChatCompletionHandler :: completionMessage( SP_Message * msg )
+{
+#if 0
+	printf( "message completed { completion key : %d }\n", msg->getCompletionKey() );
+
+	printf( "\tsuccess {" );
+	for( int i = 0; i < msg->getSuccess()->getCount(); i++ ) {
+		printf( " %d", msg->getSuccess()->get( i ).mKey );
+	}
+	printf( "}\n" );
+
+	printf( "\tfailure {" );
+	for( int i = 0; i < msg->getFailure()->getCount(); i++ ) {
+		printf( " %d", msg->getFailure()->get( i ).mKey );
+	}
+	printf( "}\n" );
+#endif
+
+	delete msg;
+}
+
+//---------------------------------------------------------
+
+class SP_ChatHandlerFactory : public SP_HandlerFactory {
+public:
+	SP_ChatHandlerFactory( SP_OnlineSidList * onlineSidList );
+	virtual ~SP_ChatHandlerFactory();
+
+	virtual SP_Handler * create() const;
+
+	virtual SP_CompletionHandler * createCompletionHandler() const;
+
+private:
+	SP_OnlineSidList * mOnlineSidList;
+};
+
+SP_ChatHandlerFactory :: SP_ChatHandlerFactory( SP_OnlineSidList * onlineSidList )
+{
+	mOnlineSidList = onlineSidList;
+}
+
+SP_ChatHandlerFactory :: ~SP_ChatHandlerFactory()
+{
+}
+
+SP_Handler * SP_ChatHandlerFactory :: create() const
+{
+	return new SP_ChatHandler( mOnlineSidList );
+}
+
+SP_CompletionHandler * SP_ChatHandlerFactory :: createCompletionHandler() const
+{
+	return new SP_ChatCompletionHandler();
+}
+
+//---------------------------------------------------------
+
+int main( int argc, char * argv[] )
+{
+	int port = 5555, maxThreads = 10;
+
+	if( 0 != sp_initsock() ) assert( 0 );
+
+	SP_OnlineSidList onlineSidList;
+
+	SP_IocpServer server( "", port, new SP_ChatHandlerFactory( &onlineSidList ) );
+	server.setTimeout( 60 );
+	server.setMaxThreads( maxThreads );
+	server.setReqQueueSize( 100, "Sorry, server is busy now!\n" );
+
+	server.runForever();
+
+	sp_closelog();
+
+	return 0;
+}
+