164 lines
3.4 KiB
C
164 lines
3.4 KiB
C
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/**********************************************************************/
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/** Microsoft Windows NT **/
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/** Copyright(c) Microsoft Corp., 1994 **/
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/**********************************************************************/
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/*
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cpsock.h
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This module contains the communication package prototypes and
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the implementation for TCP sockets.
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FILE HISTORY:
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Johnl 08-Aug-1994 Created.
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*/
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#ifndef _CPSOCK_H_
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#define _CPSOCK_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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//
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// This is the function callback that is called when the connect thread has
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// accepted a new connection
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//
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typedef
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VOID
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(*PFN_ON_CONNECT)(
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SOCKET sNew,
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SOCKADDR_IN * psockaddr
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);
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//
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// Contains Connection Package socket information
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//
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typedef struct _CP_INFO
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{
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//
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// Function to be called when a new connection comes in
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//
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PFN_ON_CONNECT pfnOnConnect;
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//
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// Addressing information
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//
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SOCKADDR_IN sockaddr;
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//
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// Thread handle of connect thread. Used to synchronize shutdown
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//
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HANDLE hConnectThread;
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//
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// Critical section that should be taken when modifying any of the
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// following members
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//
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CRITICAL_SECTION InfoCriticalSection;
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//
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// Tells connect thread to terminate itself
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//
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BOOL fShutDown;
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//
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// Socket the connect thread listens on for incoming connections
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//
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SOCKET ListenSocket;
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} CP_INFO, *PCP_INFO;
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////////////////////////////////////////////////////////////////////////////
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//
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// Communication Package function pointers
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//
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////////////////////////////////////////////////////////////////////////////
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typedef
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BOOL
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(*PFN_CPINITIALIZE)(
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PCP_INFO * ppInfo,
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PFN_ON_CONNECT pfnOnConnect,
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BYTE * LocalAddress,
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u_short port,
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DWORD reserved
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);
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typedef
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INT
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(*PFN_CPCREATELISTENSOCKET)(
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PCP_INFO pcpInfo
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);
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typedef
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BOOL
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(*PFN_CPSTARTCONNECTTHREAD)(
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PCP_INFO pcpInfo
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);
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typedef
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BOOL
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(*PFN_CPSTOPCONNECTTHREAD)(
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PCP_INFO pcpInfo
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);
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//
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// Forcefully closes a socket
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//
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INT ResetSocket( SOCKET s );
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//
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// Serialization for access to the CP_INFO data (used primarily during
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// shutdown)
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//
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#define LockCPInfo(pcpInfo) EnterCriticalSection( &(pcpInfo)->InfoCriticalSection )
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#define UnlockCPInfo(pcpInfo) LeaveCriticalSection( &(pcpInfo)->InfoCriticalSection )
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//
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// For now, we'll only support TCP sockets
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//
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#define CPInitialize TcpInitialize
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#define CPCreateListenSocket TcpCreateListenSocket
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#define CPStartConnectThread TcpStartConnectThread
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#define CPStopConnectThread TcpStopConnectThread
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////////////////////////////////////////////////////////////////////////////
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//
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// TCP Sockets Communication Package prototypes
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//
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////////////////////////////////////////////////////////////////////////////
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dllexp
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BOOL TcpInitialize( PCP_INFO * ppInfo,
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PFN_ON_CONNECT pfnOnConnect,
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BYTE * LocalAddress,
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u_short port,
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DWORD reserved );
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dllexp INT TcpCreateListenSocket( PCP_INFO pcpInfo );
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dllexp BOOL TcpStartConnectThread( PCP_INFO pcpInfo );
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dllexp BOOL TcpStopConnectThread( PCP_INFO pcpInfo );
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#ifdef __cplusplus
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}
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#endif
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#endif //!_CPSOCK_H_
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