// 创建 Listen Socket，进入监听状态，等待客户端的连接
bool CServer::Host(UINT dwPort, const char* strIP,long lFlag, ulong nSocketType)
{
if(!(m_bMode&2)) return FALSE;
SetFlag(lFlag);
// 创建 socket
bool bRet = CreateEx(dwPort, strIP,nSocketType);
//创建失败
if(!bRet)
{
return bRet;
}
//创建接收客户socket线程
bRet=CreateAcceptThread();
if(!bRet)
{
PutErrorString(NET_MODULE,"%-15s %s",__FUNCTION__,"创建接受连接线程失败!");
return FALSE;
}
// listen
bRet = Listen(m_lMaxBlockConnetNum);
if(!bRet)
{
PutErrorString(NET_MODULE,"%-15s %s",__FUNCTION__,"listen 失败!");
return FALSE;
}
return bRet;
}
BOOL CIOCPort::Listen(int port)
{
int opt;
struct sockaddr_in addr;
struct linger lingerOpt;
// Open a TCP socket (an Internet stream socket).
//
if ( ( m_ListenSocket = socket(AF_INET, SOCK_STREAM, 0) ) < 0 )
{
TRACE("Can't open stream socket\n");
return FALSE;
}
// Bind our local address so that the client can send to us.
//
memset((void *)&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
addr.sin_port = htons(port);
// added in an attempt to allow rebinding to the port
//
opt = 1;
setsockopt( m_ListenSocket, SOL_SOCKET, SO_REUSEADDR, (char *)&opt, sizeof(opt));
opt = 1;
setsockopt( m_ListenSocket, SOL_SOCKET, SO_KEEPALIVE, (char *)&opt, sizeof(opt));
// Linger off -> close socket immediately regardless of existance of data
//
lingerOpt.l_onoff = 1;
lingerOpt.l_linger = 0;
setsockopt(m_ListenSocket, SOL_SOCKET, SO_LINGER, (char *)&lingerOpt, sizeof(lingerOpt));
if ( bind(m_ListenSocket, (struct sockaddr *)&addr, sizeof(addr)) < 0 )
{
TRACE("Can't bind local address\n");
return FALSE;
}
int socklen, len, err;
socklen = SOCKET_BUFF_SIZE*4;
setsockopt( m_ListenSocket, SOL_SOCKET, SO_RCVBUF, (char*)&socklen, sizeof(socklen));
len = sizeof(socklen);
err = getsockopt( m_ListenSocket, SOL_SOCKET, SO_RCVBUF, (char*)&socklen, &len);
if (err == SOCKET_ERROR)
{
TRACE("FAIL : Set Socket RecvBuf of port(%d) as %d\n", port, socklen);
return FALSE;
}
socklen = SOCKET_BUFF_SIZE*4;
setsockopt( m_ListenSocket, SOL_SOCKET, SO_SNDBUF, (char*)&socklen, sizeof(socklen));
len = sizeof(socklen);
err = getsockopt( m_ListenSocket, SOL_SOCKET, SO_SNDBUF, (char*)&socklen, &len);
if (err == SOCKET_ERROR)
{
TRACE("FAIL: Set Socket SendBuf of port(%d) as %d\n", port, socklen);
return FALSE;
}
listen(m_ListenSocket, 5);
m_hListenEvent = WSACreateEvent();
if( m_hListenEvent == WSA_INVALID_EVENT ) {
err = WSAGetLastError();
TRACE("Listen Event Create Fail!! %d \n", err);
return FALSE;
}
WSAEventSelect( m_ListenSocket, m_hListenEvent, FD_ACCEPT);
TRACE("Port (%05d) initialzed\n", port);
CreateAcceptThread();
return TRUE;
}
/**
@brief
@param numWorkThread 0이면 시스템 코어에 맞춰 자동
*/
void XEWinSocketSvr::Create( WORD port, int numWorkThread )
{
XBREAK( port == 0 );
if( XWinNetwork::sStartUp() == false ) {
XALERT( "WSAStartup failed" );
return;
}
//
// m_Socket = socket( AF_INET, SOCK_STREAM, 0 );
m_Socket = WSASocket( PF_INET, SOCK_STREAM, 0, NULL, 0, WSA_FLAG_OVERLAPPED );
if( m_Socket == INVALID_SOCKET ) {
XALERT( "create socket failed" );
return;
}
SOCKADDR_IN addr;
addr.sin_family = AF_INET;
addr.sin_port = htons( port );
addr.sin_addr.S_un.S_addr = htonl( INADDR_ANY );
if( bind( m_Socket, ( struct sockaddr * )&addr, sizeof( addr ) ) == SOCKET_ERROR ) {
XBREAK(1);
XALERT( "Network bind error" );
Destroy();
return;
}
//
m_Port = port;
// 클라로부터 접속을 받을 준비
if( listen( m_Socket, SOMAXCONN ) == SOCKET_ERROR ) {
XALERT( "Network::listen error" );
Destroy();
return;
}
//
m_pUserMng = CreateUserMng( m_maxConnect );
XBREAK( m_pUserMng == NULL );
// 유저 커스텀 create
OnCreate(); // virtual
// IOCP 객체 생성
m_hIOCP = CreateIoCompletionPort( INVALID_HANDLE_VALUE, NULL, 0, 0 );
// 워커 스레드 생성
SYSTEM_INFO si;
memset( &si, 0, sizeof(si));
GetSystemInfo( &si );
#if defined(_DEBUG) && !defined(_XBOT)
const int numThread = 4; // 개발중엔 편의상 스레드 적게쓴다.
#else
const int numThread = (numWorkThread == 0)?
(int)(si.dwNumberOfProcessors * 2)
: numWorkThread;
#endif
XBREAK( numThread <= 0 || numThread > 32 );
for( int i = 0; i < numThread; ++i ) {
m_aryThreadWork.push_back( CreateWorkThread() );
}
// accept( 클라이언트로부터의 접속대기 ) 스레드 생성
m_thAccept = CreateAcceptThread();
//
#if _DEV_LEVEL <= DLV_OPEN_BETA
m_timerSec.Set( 1.f );
#endif
}
