BOOL CHPThreadPool::DoAdjustThreadCount(DWORD dwNewThreadCount)
{
ASSERT((int)dwNewThreadCount >= 0);
BOOL bRemove = FALSE;
DWORD dwThreadCount = 0;
{
CCriSecLock lock(m_cs);
if(dwNewThreadCount > m_dwThreadCount)
{
dwThreadCount = dwNewThreadCount - m_dwThreadCount;
return CreateWorkerThreads(dwThreadCount);
}
else if(dwNewThreadCount < m_dwThreadCount)
{
bRemove = TRUE;
dwThreadCount = m_dwThreadCount - dwNewThreadCount;
m_dwThreadCount -= dwThreadCount;
}
}
if(bRemove)
{
CMutexLock2 lock(m_mtx);
for(DWORD i = 0; i < dwThreadCount; i++)
m_cv.notify_one();
}
return TRUE;
}
BOOL CIocpServer::Start(LPCTSTR pszBindAddress, USHORT usPort)
{
if(!CheckParams() || !CheckStarting())
return FALSE;
//创建监听套接字开始监听端口
if(CreateListenSocket(pszBindAddress, usPort))
{
if(CreateCompletePort())
{
if(CreateWorkerThreads())
{
if(StartAcceptThread())
{
m_enState = SS_STARTED;
return TRUE;
}
}
}
}
Stop();
return FALSE;
}
BOOL CTcpAgent::Start(LPCTSTR pszBindAddress, BOOL bAsyncConnect)
{
if(!CheckParams() || !CheckStarting())
return FALSE;
if(ParseBindAddress(pszBindAddress, bAsyncConnect))
if(CreateCompletePort())
if(CreateWorkerThreads())
{
m_bAsyncConnect = bAsyncConnect;
m_enState = SS_STARTED;
return TRUE;
}
Stop();
return FALSE;
}
BOOL CTcpServer::Start(LPCTSTR lpszBindAddress, USHORT usPort)
{
if(!CheckParams() || !CheckStarting())
return FALSE;
PrepareStart();
if(CreateListenSocket(lpszBindAddress, usPort))
if(CreateCompletePort())
if(CreateWorkerThreads())
if(StartAccept())
{
m_enState = SS_STARTED;
return TRUE;
}
EXECUTE_RESTORE_ERROR(Stop());
return FALSE;
}
BOOL CTcpServer::Start(LPCTSTR lpszBindAddress, USHORT usPort)
{
if(!CheckParams() || !CheckStarting())
return FALSE;
PrepareStart();
if(CreateListenSocket(lpszBindAddress, usPort))
if(CreateCompletePort())
if(CreateWorkerThreads())
if(StartAccept())
{
m_enState = SS_STARTED;
return TRUE;
}
DWORD dwCode = ::GetLastError();
Stop();
::SetLastError(dwCode);
return FALSE;
}
//启动网络服务器
//bMode启动模式,1:以客户端的方式启动,2:以服务器的方式启动
bool CServer::Start(BYTE bMode,CDataBlockAllocator* pDBAllocator,
long nMaxFreeSockOperNum,long nMaxFreeIOOperNum,long lIOOperDataBufNum,
bool bCheck,long lForbidTime,
long lMaxMsgLen,long lMaxConNums,long lTotalClientsNum,
long lPendingWrBufNum,long lPendingRdBufNum,
long lMaxSendSizePerSecond,long lMaxRecvSizePerSecond,
long lMaxBlockSendMsgNum,
long lConPendingWrBufNum,long lConPendingRdBufNum,
long lConMaxSendSizePerSecond,long lConMaxRecvSizePerSecond,
long lConMaxBlockSendMsgNum)
{
m_bMode = bMode;
m_pDBAllocator=pDBAllocator;
m_nMaxFreeSockOperNum = nMaxFreeSockOperNum;
m_nMaxFreeIOOperNum = nMaxFreeIOOperNum;
m_lIOOperDataBufNum = lIOOperDataBufNum;
m_bCheck = bCheck;
m_lForbidTime = lForbidTime;
m_lMaxMessageLength=lMaxMsgLen;
m_lMaxClientConNum = lMaxConNums;
m_lTotalClientsNum = lTotalClientsNum;
m_lPendingWrBufNum = lPendingWrBufNum;
m_lPendingRdBufNum=lPendingRdBufNum;
m_lMaxSendSizePerSecond = lMaxSendSizePerSecond;
m_lMaxRecvSizePerSecond = lMaxRecvSizePerSecond;
m_lMaxBlockSendMsgNum = lMaxBlockSendMsgNum;
m_lConPendingWrBufNum = lConPendingWrBufNum;
m_lConPendingRdBufNum=lConPendingRdBufNum;
m_lConMaxSendSizePerSecond= lConMaxSendSizePerSecond;
m_lConMaxRecvSizePerSecond = lConMaxRecvSizePerSecond;
m_lConMaxBlockSendMsgNum = lConMaxBlockSendMsgNum;
//预分配命令操作结构
InitializeCriticalSection(&m_CSSockOper);
InitializeCriticalSection(&m_CSMsgStat);
uint i = 0;
for(; i<m_nMaxFreeSockOperNum; i++)
{
tagSocketOper* pSockOper = new tagSocketOper();
m_FreeSocketOpers.push_back(pSockOper);
}
//预分配IO操作结构
InitializeCriticalSection(&m_CSIOOper);
i = 0;
for(; i<m_nMaxFreeIOOperNum; i++)
{
PER_IO_OPERATION_DATA* pPerIOData = new PER_IO_OPERATION_DATA(m_lIOOperDataBufNum);
m_FreeListIOOpers.push_back(pPerIOData);
}
//初始化预分配的客户端
InitClients();
//得到CPU的数量
SYSTEM_INFO sysInfo;
GetSystemInfo(&sysInfo);
//根据cpu数量创建完成端口
m_hCompletionPort=CreateIoCompletionPort(INVALID_HANDLE_VALUE,NULL,0,sysInfo.dwNumberOfProcessors);
//创建完成端口失败
if(m_hCompletionPort==NULL)
{
PutErrorString(NET_MODULE,"%-15s %s",__FUNCTION__,"创建完成端口失败!");
return false;
}
//创建网络主线程
bool bRet = CreateNetMainThread();
if(!bRet)
{
PutErrorString(NET_MODULE,"%-15s %s",__FUNCTION__,"创建网络主线程失败!");
return false;
}
//创建在完成端口上等待的工作者线程
bRet=CreateWorkerThreads(sysInfo.dwNumberOfProcessors);
if(!bRet)
{
PutErrorString(NET_MODULE,"%-15s %s",__FUNCTION__,"创建工作线程失败!");
return false;
}
//客户端方式启动
if(bMode&0x1)
{
}
//服务器方式启动
if(bMode&0x2)
{
//Host(dwPort,strIP,nSocketType);
}
//设置本机IP
SetHostName();
return true;
}
int main(int argc, char *argv[])
{
SOCKET listener;
SOCKET newsocket;
WSADATA WsaData;
struct sockaddr_in serverAddress;
struct sockaddr_in clientAddress;
int clientAddressLength;
int err;
CheckOsVersion();
err = WSAStartup (0x0101, &WsaData);
if (err == SOCKET_ERROR)
{
FatalError("WSAStartup Failed");
return EXIT_FAILURE;
}
/*
* Open a TCP socket connection to the server
* By default, a socket is always opened
* for overlapped I/O. Do NOT attach this
* socket (listener) to the I/O completion
* port!
*/
listener = socket(AF_INET, SOCK_STREAM, 0);
if (listener < 0)
{
FatalError("socket() failed");
return EXIT_FAILURE;
}
/*
* Bind our local address
*/
memset(&serverAddress, 0, sizeof(serverAddress));
serverAddress.sin_family = AF_INET;
serverAddress.sin_addr.s_addr = htonl(INADDR_ANY);
serverAddress.sin_port = htons(SERV_TCP_PORT);
err = bind(listener,
(struct sockaddr *)&serverAddress,
sizeof(serverAddress)
);
if (err < 0)
FatalError("bind() failed");
ghCompletionPort = CreateIoCompletionPort(
INVALID_HANDLE_VALUE,
NULL, // No prior port
0, // No key
0 // Use default # of threads
);
if (ghCompletionPort == NULL)
FatalError("CreateIoCompletionPort() failed");
CreateWorkerThreads(ghCompletionPort);
listen(listener, 5);
fprintf(stderr, "Echo Server with I/O Completion Ports\n");
fprintf(stderr, "Running on TCP port %d\n", SERV_TCP_PORT);
fprintf(stderr, "\nPress Ctrl+C to stop the server\n");
//
// Loop forever accepting requests new connections
// and starting reading from them.
//
for (;;)
{
struct ContextKey *pKey;
clientAddressLength = sizeof(clientAddress);
newsocket = accept(listener,
(struct sockaddr *)&clientAddress,
&clientAddressLength);
if (newsocket < 0)
{
FatalError("accept() Failed");
return EXIT_FAILURE;
}
// Create a context key and initialize it.
// calloc will zero the buffer
pKey = calloc(1, sizeof(struct ContextKey));
pKey->sock = newsocket;
pKey->ovOut.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
// Set the event for writing so that packets
// will not be sent to the completion port when
// a write finishes.
pKey->ovOut.hEvent = (HANDLE)((DWORD)pKey->ovOut.hEvent | 0x1);
// Associate the socket with the completion port
CreateIoCompletionPort(
(HANDLE)newsocket,
ghCompletionPort,
(DWORD)pKey, // No key
0 // Use default # of threads
);
// Kick off the first read
IssueRead(pKey);
}
return 0;
}
