int _ossSocket::bind_listen ()
{
int rc = EDB_OK ;
int temp = 1 ;
rc = setsockopt ( _fd, SOL_SOCKET,
SO_REUSEADDR, (char*)&temp, sizeof(int) ) ;
if ( rc )
{
PD_LOG ( PDWARNING, "Failed to setsockopt SO_REUSEADDR, rc = %d",
SOCKET_GETLASTERROR ) ;
}
rc = setSocketLi ( 1, 30 ) ;
if ( rc )
{
PD_LOG ( PDWARNING, "Failed to setsockopt SO_LINGER, rc = %d",
SOCKET_GETLASTERROR ) ;
}
rc = ::bind ( _fd, (struct sockaddr*)&_sockAddress, _addressLen ) ;
if ( rc )
{
PD_RC_CHECK( EDB_NETWORK, PDERROR,
"Failed to bind socket, rc = %d", SOCKET_GETLASTERROR ) ;
}
rc = listen ( _fd, SOMAXCONN ) ;
if ( rc )
{
PD_RC_CHECK( EDB_NETWORK, PDERROR,
"Failed to listen socket, rc = %d", SOCKET_GETLASTERROR ) ;
}
done :
return rc ;
error :
close () ;
goto done ;
}
// PD_TRACE_DECLARE_FUNCTION ( SDB_OSSSK_BIND_LSTN, "ossSocket::bind_listen" )
INT32 _ossSocket::bind_listen ()
{
INT32 rc = SDB_OK ;
PD_TRACE_ENTRY ( SDB_OSSSK_BIND_LSTN );
INT32 temp = 1 ;
SDB_ASSERT ( _init, "socket is not initialized" ) ;
PD_CHECK( _init, SDB_SYS, error, PDWARNING, "Socket is not init" ) ;
rc = setsockopt ( _fd, SOL_SOCKET, SO_REUSEADDR,
(char*)&temp, sizeof (INT32) ) ;
if ( rc )
{
PD_LOG ( PDWARNING, "Failed to setsockopt SO_REUSEADDR, rc = %d",
SOCKET_GETLASTERROR ) ;
}
rc = setSocketLi( 1, 30 ) ;
if ( rc )
{
PD_LOG ( PDWARNING, "Failed to setsockopt SO_LINGER, rc = %d",
SOCKET_GETLASTERROR ) ;
}
rc = ::bind ( _fd, (struct sockaddr *)&_sockAddress, _addressLen ) ;
if ( rc )
{
PD_LOG ( PDERROR, "Failed to bind socket, rc = %d",
SOCKET_GETLASTERROR ) ;
rc = SDB_NETWORK ;
goto error ;
}
rc = listen ( _fd, SOMAXCONN ) ;
if ( rc )
{
PD_LOG ( PDERROR, "Failed to listen socket, rc = %d",
SOCKET_GETLASTERROR ) ;
rc = SDB_NETWORK ;
goto error ;
}
done :
PD_TRACE_EXITRC ( SDB_OSSSK_BIND_LSTN, rc );
return rc ;
error :
close () ;
goto done ;
}
int ossSocket::bind_listen()
{
int rc = EDB_OK;
int temp = 1;
//确保sock可以重复使用SO_REUSEADDR
/*
这个套接字选项通知内核，如果端口忙，但TCP状态位于 TIME_WAIT ，可以重用端
口。如果端口忙，而TCP状态位于其他状态，重用端口时依旧得到一个错误信息，指明"地址
已经使用中"。如果你的服务程序停止后想立即重启，而新套接字依旧使用同一端口，此时 SO_REUSEADDR 选项非常有用。
*/
rc = setsockopt(_fd, SOL_SOCKET, SO_REUSEADDR, (char*)&temp, sizeof(int));
if(rc)
{
printf("Failed to setsockopt SO_REUSEADDR,rc=%d", SOCKET_GETLASTERROR);
}
rc = setSocketLi(1, 30);
if(rc)
{
printf("Failed to setsockopt SO_LINGER, rc=%d", SOCKET_GETLASTERROR);
}
//将套接字绑定到本地地址
rc = ::bind(_fd, (struct sockaddr*)&_sockAddress, _addressLen);
if(rc)
{
printf("Failed to bind socket, rc=%d", SOCKET_GETLASTERROR);
rc=EDB_NETWORK;
goto error;
}
//为避免协议拒绝或丢弃传入的请求，把来不及处理的请求排队，至多将SOMAXCONN个连接请求排队
rc = listen(_fd, SOMAXCONN);
if(rc)
{
printf("Failed to listen socket, rc=%d", SOCKET_GETLASTERROR);
rc = EDB_NETWORK;
goto error;
}
done:
return rc;
error:
close();
goto done;
}
