mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
138 lines
2.9 KiB
138 lines
2.9 KiB
/* Socket.h
|
|
*
|
|
* Copyright (c) 1996 by Microsoft Corporation
|
|
*
|
|
* Abstract:
|
|
* This is the WinSock interface to a socket. It can create a
|
|
* connection with another machine, transmit and receive data, and shut
|
|
* down the socket when it is finished.
|
|
*
|
|
*/
|
|
#ifndef _SOCKET_
|
|
#define _SOCKET_
|
|
|
|
#include "databeam.h"
|
|
|
|
extern "C"
|
|
{
|
|
#include "t120.h"
|
|
#include "winsock2.h"
|
|
}
|
|
#include "tprtsec.h"
|
|
|
|
/* States that the socket can be in */
|
|
typedef enum
|
|
{
|
|
NOT_CONNECTED,
|
|
WAITING_FOR_CONNECTION,
|
|
SOCKET_CONNECTED,
|
|
X224_CONNECTED,
|
|
WAITING_FOR_DISCONNECT
|
|
} SocketState;
|
|
|
|
/* Security states that the socket can be in */
|
|
typedef enum
|
|
{
|
|
SC_UNDETERMINED,
|
|
SC_SECURE,
|
|
SC_NONSECURE
|
|
} SecurityState;
|
|
|
|
#define MAXIMUM_IP_ADDRESS_SIZE 32
|
|
|
|
/*
|
|
** This is the port number specified by IMTC
|
|
*/
|
|
#define TCP_PORT_NUMBER 1503
|
|
|
|
typedef enum {
|
|
READ_HEADER,
|
|
READ_DATA,
|
|
DISCONNECT_REQUEST, /* There are dependencies on this order */
|
|
CONNECTION_CONFIRM,
|
|
CONNECTION_REQUEST,
|
|
DATA_READY
|
|
} ReadState;
|
|
|
|
#define WM_SOCKET_NOTIFICATION (WM_APP)
|
|
#define WM_SECURE_SOCKET_NOTIFICATION (WM_APP+1)
|
|
#define WM_PLUGGABLE_X224 (WM_APP+2)
|
|
#define WM_PLUGGABLE_PSTN (WM_APP+3)
|
|
|
|
typedef struct _Security_Buffer_Info {
|
|
LPBYTE lpBuffer;
|
|
UINT uiLength;
|
|
} Security_Buffer_Info;
|
|
|
|
class CSocket : public CRefCount
|
|
{
|
|
public:
|
|
|
|
CSocket(BOOL *, TransportConnection, PSecurityContext);
|
|
~CSocket(void);
|
|
|
|
void FreeTransportBuffer(void);
|
|
|
|
public:
|
|
|
|
X224_DATA_PACKET X224_Header;
|
|
|
|
/* global variables */
|
|
// SOCKET Socket_Number;
|
|
SocketState State;
|
|
SecurityState SecState;
|
|
PSecurityContext pSC;
|
|
UINT Max_Packet_Length;
|
|
|
|
Char Remote_Address[MAXIMUM_IP_ADDRESS_SIZE];
|
|
|
|
/* recv state variables */
|
|
UINT Current_Length;
|
|
PUChar Data_Indication_Buffer;
|
|
UINT Data_Indication_Length;
|
|
ReadState Read_State;
|
|
UINT X224_Length;
|
|
BOOL bSpaceAllocated;
|
|
PMemory Data_Memory;
|
|
|
|
/* send state variables */
|
|
union {
|
|
PDataPacket pUnfinishedPacket;
|
|
Security_Buffer_Info sbiBufferInfo;
|
|
} Retry_Info;
|
|
|
|
BOOL fExtendedX224;
|
|
BOOL fIncomingSecure;
|
|
|
|
// plugable transport
|
|
TransportConnection XprtConn;
|
|
};
|
|
|
|
typedef CSocket *PSocket;
|
|
|
|
class CSocketList : public CList
|
|
{
|
|
DEFINE_CLIST(CSocketList, PSocket)
|
|
void SafeAppend(PSocket);
|
|
BOOL SafeRemove(PSocket);
|
|
PSocket FindByTransportConnection(TransportConnection, BOOL fNoAddRef = FALSE);
|
|
PSocket RemoveByTransportConnection(TransportConnection);
|
|
};
|
|
|
|
extern CSocketList *g_pSocketList;
|
|
|
|
|
|
/* Function prototypes */
|
|
PSocket newSocket(TransportConnection, PSecurityContext);
|
|
PSocket newPluggableSocket(TransportConnection);
|
|
PSocket newSocketEx(TransportConnection, PSecurityContext);
|
|
|
|
void freeSocket(PSocket, TransportConnection);
|
|
void freeListenSocket(TransportConnection);
|
|
void freePluggableSocket(PSocket);
|
|
void freeSocketEx(PSocket, TransportConnection /* listen_socket_number */);
|
|
|
|
SOCKET CreateAndConfigureListenSocket (VOID);
|
|
|
|
#endif /* _SOCKET_ */
|
|
|