windows-nt/Source/XPSP1/NT/enduser/netmeeting/h/t120/it120xprt.h

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2020-09-26 03:20:57 -05:00
#ifndef _IT120_TRANSPORT_H_
#define _IT120_TRANSPORT_H_
#include <basetyps.h>
#include <t120type.h>
#define T120_CONNECTION_ID_LENGTH 64
typedef enum tagPLUGXPRT_PROTOCOL
{
PLUGXPRT_PROTOCOL_X224 = 0,
}
PLUGXPRT_PROTOCOL;
typedef enum tagPLUGXPRT_RESULT
{
PLUGXPRT_RESULT_SUCCESSFUL = 0,
PLUGXPRT_RESULT_READ_FAILED = 1,
PLUGXPRT_RESULT_WRITE_FAILED = 2,
PLUGXPRT_RESULT_FAILED = 3,
PLUGXPRT_RESULT_ABANDONED = 4,
}
PLUGXPRT_RESULT;
typedef enum tagPLUGXPRT_STATE
{
PLUGXPRT_UNKNOWN_STATE = 0,
PLUGXPRT_CONNECTING = 1,
PLUGXPRT_CONNECTED = 2,
PLUGXPRT_DISCONNECTING = 3,
PLUGXPRT_DISCONNECTED = 4,
}
PLUGXPRT_STATE;
typedef struct tagPLUGXPRT_MESSAGE
{
PLUGXPRT_STATE eState;
LPVOID pContext;
LPSTR pszConnID;
PLUGXPRT_PROTOCOL eProtocol;
PLUGXPRT_RESULT eResult;
}
PLUGXPRT_MESSAGE;
typedef void (CALLBACK *LPFN_PLUGXPRT_CB) (PLUGXPRT_MESSAGE *);
#undef INTERFACE
#define INTERFACE IT120PluggableTransport
DECLARE_INTERFACE(IT120PluggableTransport)
{
STDMETHOD_(void, ReleaseInterface) (THIS) PURE;
STDMETHOD_(T120Error, CreateConnection) (THIS_
char szConnID[], /* out */
PLUGXPRT_CALL_TYPE eCaller, // caller vs callee
HANDLE hCommLink,
HANDLE hevtDataAvailable,
HANDLE hevtWriteReady,
HANDLE hevtConnectionClosed,
PLUGXPRT_FRAMING eFraming,
PLUGXPRT_PARAMETERS *pParams) PURE;
STDMETHOD_(T120Error, UpdateConnection) (THIS_
LPSTR pszConnID,
HANDLE hCommLink) PURE;
STDMETHOD_(T120Error, CloseConnection) (THIS_ LPSTR pszConnID) PURE;
STDMETHOD_(T120Error, EnableWinsock) (THIS) PURE;
STDMETHOD_(T120Error, DisableWinsock) (THIS) PURE;
STDMETHOD_(void, Advise) (THIS_ LPFN_PLUGXPRT_CB, LPVOID pContext) PURE;
STDMETHOD_(void, UnAdvise) (THIS) PURE;
STDMETHOD_(void, ResetConnCounter) (THIS) PURE;
};
#ifdef __cplusplus
extern "C" {
#endif
T120Error WINAPI T120_CreatePluggableTransport(IT120PluggableTransport **);
#ifdef __cplusplus
}
#endif
#endif // _IT120_TRANSPORT_H_