276 lines
8.6 KiB
C
276 lines
8.6 KiB
C
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//
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// clicnct.h - the Rome/Shuttle Client Connection API
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//
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// initial version - July 1995 - t-alexwe
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//
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// This file lives in both the Shuttle and MOS SLM trees. In shuttle it
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// belongs in \mos\h\clicnct.h. In MOS it belongs in \mos\include\mos.
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//
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#ifndef _CLICNCT_H_
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#define _CLICNCT_H_
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#include <windows.h>
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//
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// this has the event codes in it
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//
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#include "moscl.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef DllExport
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#define DllExport __declspec(dllexport)
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#endif // DllExport
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//
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// Client Connection API error codes
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//
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// win32 error code - customer bit set, error bits set, facility 0x300
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//
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#define PROXYERR_BASE 0xE3000000
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#define PROXYERR_INVALID_STATE (PROXYERR_BASE+0)
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#define PROXYERR_UNSUPPORTED_VER (PROXYERR_BASE+1)
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#define PROXYERR_INVALID_PACKET (PROXYERR_BASE+2)
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#define PROXYERR_HOSTNAME_TOO_LONG (PROXYERR_BASE+3)
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#define PROXYERR_TOO_MANY_SOCKOPTS (PROXYERR_BASE+4)
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#define PROXYERR_AUTH_ERROR (PROXYERR_BASE+5)
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//
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// this is the callback function that will be called with event progress.
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// it uses the events above
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//
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// possible events:
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//
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typedef void (WINAPI *EVENT_CALLBACK)(DWORD obj, DWORD event, DWORD errcode);
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typedef void (WINAPI *ERRORLOG_CALLBACK)(DWORD obj, PSTR psz, DWORD dw);
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//
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// structure for passing socket options in ProxyConnectOpen(). Each element
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// has the same purpose as the similarily named parameter in setsockopt().
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//
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typedef struct {
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int level;
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int optname;
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const char FAR *optval;
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int optlen;
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} *PSOCKOPT, SOCKOPT;
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// Init and Deinit functions because launching and killing threads in DLLMain
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// causes major grief
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DllExport void WINAPI ProxyDllStartup(void);
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DllExport void WINAPI ProxyDllShutdown(void);
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typedef void (WINAPI *LPFNPROXYDLLSTARTUP)(void);
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typedef void (WINAPI *LPFNPROXYDLLSHUTDOWN)(void);
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//
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// Synopsis
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// API takes a DialParams string in the form below
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// dials up primary/backup phone number as configured in registry
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//
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// Parameters:
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// pszDialParams - <P|B>:<username>:<password>
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// phEventHandle - returned: an event handle that is signalled when
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// the dialing is complete (or an error has occured).
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// lpfnEventCb - fn ptr to post events & errors
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// lpfnErrorCb - fn ptr to log (for stats/debugging) errors
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// dwLogParam - magic cookie passed into lpfnEventCb, lpfnErrorCb
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// pdwDialId - returned: a dialing ID that can be used by
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// ProxyDialClose() and ProxyDialGetResult().
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//
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// Returns:
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// Success - ERROR_SUCCESS (0)
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// Failure - NT or WinSock error code
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//
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DllExport DWORD WINAPI ProxyDialOpen(PSTR lpszDialParams, // [in]
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EVENT_CALLBACK lpfnEventCb, // [in]
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ERRORLOG_CALLBACK lpfnErrLogCb, // [in]
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DWORD dwLogParam, // [in]
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PHANDLE phEventHandle, // [out]
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PDWORD pdwDialId ); // [out]
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typedef DWORD (WINAPI *LPFNPROXYDIALOPEN)(PSTR, EVENT_CALLBACK, ERRORLOG_CALLBACK, DWORD, PHANDLE, PDWORD);
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//
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// Synopsis:
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// Closes a dial connection started by ProxyDialOpen().
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// Cancels dial if still in progress.
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//
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// Parameters:
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// dwConnectId - the dial ID returned by ProxyDialOpen()
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//
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// Returns:
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// Success - ERROR_SUCCESS(0)
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// Failure - NT or WinSock error code
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//
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// Notes:
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// This should always succeed unless passed in invalid parameters.
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//
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DllExport DWORD WINAPI ProxyDialClose(DWORD dwConnectId); // [in]
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typedef DWORD (WINAPI *LPFNPROXYDIALCLOSE)(DWORD);
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//
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// Synopsis:
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// Gets dial completion status a dial started by ProxyDialOpen().
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//
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// Parameters:
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// dwConnectId - the dial ID returned by ProxyDialOpen()
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//
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// Returns:
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// Success - ERROR_SUCCESS(0)
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// Failure - NT or WinSock error code
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//
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DllExport DWORD WINAPI ProxyDialGetResult(DWORD dwConnectId); // [in]
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typedef DWORD (WINAPI *LPFNPROXYDIALGETRESULT)(DWORD);
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//
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// Synopsis:
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// Gets dial error-log string in specific format
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// applicable only to TCPCONN.DLL. Other proxy DLLs
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// should _not_ implement this entry point!!
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//
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// Parameters:
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// dwConnectId - the dial ID returned by ProxyDialOpen()
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// pszErrStr - buffer to write result into
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// dwLen - length of buffer
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//
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// Returns:
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// Success - ERROR_SUCCESS(0)
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// Failure - NT or WinSock error code
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//
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DllExport DWORD WINAPI ProxyDialGetErrorLogString(DWORD dwConnectId, PSTR pszStr, DWORD dwLen); // [in]
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typedef DWORD (WINAPI *LPFNPROXYDIALGETERRORLOGSTRING)(DWORD, PSTR, DWORD);
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//=====================================================
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//
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// Synopsis
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// API takes a hostname for MSN and socket options for the socket to
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// be created and returns immediatly with an event handle and a
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// connection ID. The calling process should wait on the event
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// handle for completion. The connection ID is used for CancelConnect()
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// and ProxyConnectGetResult().
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//
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// Parameters:
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// pszDNSName0 - the PRIMARY hostname to connect to
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// pszDNSName1 - the BACKUP hostname to connect to
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// wPort - the TCP/IP port to connect to
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// pSockopts - the socket options to use on the socket
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// cSockopts - the number of socket options in pSockopts
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// lpfnEventCb - fn ptr to post events & errors
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// lpfnErrorCb - fn ptr to log (for stats/debugging) errors
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// dwLogParam - magic cookie passed into lpfnEventCb, lpfnErrorCb
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// phEventHandle - returned: an event handle that is signalled when
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// the connection is complete (or an error has occured).
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// pdwConnectId - returned: a connection ID that can be used by
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// ProxyConnectClose() and ProxyConnectGetResult().
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//
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// Returns:
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// Success - ERROR_SUCCESS (0)
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// Failure - NT or WinSock error code
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//
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DllExport DWORD WINAPI ProxyConnectOpen(PSTR pszDNSName0, // [in]
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PSTR pszDNSName1, // [in]
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WORD wPort, // [in]
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PSOCKOPT pSockopts, // [in]
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DWORD cSockopts, // [in]
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EVENT_CALLBACK lpfnEventCb, // [in]
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ERRORLOG_CALLBACK lpfnErrLogCb, // [in]
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DWORD dwLogParam, // [in]
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PHANDLE phEventHandle, // [out]
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PDWORD pdwConnectId ); // [out]
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typedef DWORD (WINAPI *LPFNPROXYCONNECTOPEN)(PSTR, PSTR, WORD, PSOCKOPT, DWORD, EVENT_CALLBACK, ERRORLOG_CALLBACK, DWORD, PHANDLE, PDWORD);
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//
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// Synopsis:
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// Closes a connection opened by ProxyConnectOpen().
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// Cancels a connection attempt if in progress.
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//
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// Parameters:
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// dwConnectId - the connection ID returned by ProxyConnectOpen()
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//
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// Returns:
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// Success - ERROR_SUCCESS(0)
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// Failure - NT or WinSock error code
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//
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// Notes:
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// This should always succeed unless passed in invalid parameters.
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//
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DllExport DWORD WINAPI ProxyConnectClose(DWORD dwConnectId ); // [in]
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typedef DWORD (WINAPI *LPFNPROXYCONNECTCLOSE)(DWORD);
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//
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// Synopsis:
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// Gets a connected socket handle from a connection started by
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// ProxyConnectOpen().
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//
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// Parameters:
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// hEventHandle - the event handle returned by ProxyConnectOpen()
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// dwConnectId - the connection ID returned by ProxyConnectOpen()
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// phSocket - returned: the socket handle
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//
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// Returns:
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// Success - ERROR_SUCCESS(0)
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// Failure - NT or WinSock error code
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//
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DllExport DWORD WINAPI ProxyConnectGetResult(DWORD dwConnectId, // [in]
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PHANDLE phSocket ); // [out]
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typedef DWORD (WINAPI *LPFNPROXYCONNECTGETRESULT)(DWORD, PHANDLE);
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//
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// Synopsis:
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// Gets the set of local IP addres in a string in specific format
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// applicable only to TCPCONN.DLL. Other proxy DLLs
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// should _not_ implement this entry point!!
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//
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// Parameters:
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// dwConnectId - the dial ID returned by ProxyConnectOpen()
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//
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// Returns:
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// Success - string ptr (LocalAlloc'd string)
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// Failure - NULL
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//
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DllExport PSTR WINAPI ProxyConnectGetMyIPAddrs(DWORD dwConnectId); // [in]
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typedef PSTR (WINAPI *LPFNPROXYCONNECTGETMYIPADDRS)(DWORD);
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typedef struct
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{
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HINSTANCE hinst;
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LPFNPROXYDLLSTARTUP lpfnProxyDllStartup;
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LPFNPROXYDLLSHUTDOWN lpfnProxyDllShutdown;
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LPFNPROXYDIALOPEN lpfnProxyDialOpen;
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LPFNPROXYDIALCLOSE lpfnProxyDialClose;
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LPFNPROXYDIALGETRESULT lpfnProxyDialGetResult;
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LPFNPROXYCONNECTOPEN lpfnProxyConnectOpen;
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LPFNPROXYCONNECTCLOSE lpfnProxyConnectClose;
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LPFNPROXYCONNECTGETRESULT lpfnProxyConnectGetResult;
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LPFNPROXYCONNECTGETMYIPADDRS lpfnProxyConnectGetMyIPAddrs;
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LPFNPROXYDIALGETERRORLOGSTRING lpfnProxyDialGetErrorLogString;
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}
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PROXYDLLPTRS, *PPROXYDLLPTRS;
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#define SZPROXYDLLSTARTUP "ProxyDllStartup"
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#define SZPROXYDLLSHUTDOWN "ProxyDllShutdown"
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#define SZPROXYDIALOPEN "ProxyDialOpen"
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#define SZPROXYDIALCLOSE "ProxyDialClose"
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#define SZPROXYDIALGETRESULT "ProxyDialGetResult"
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#define SZPROXYCONNECTOPEN "ProxyConnectOpen"
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#define SZPROXYCONNECTCLOSE "ProxyConnectClose"
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#define SZPROXYCONNECTGETRESULT "ProxyConnectGetResult"
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#define SZPROXYCONNECTGETMYIPADDRS "ProxyConnectGetMyIPAddrs"
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#define SZPROXYDIALGETERRORLOGSTRING "ProxyDialGetErrorLogString"
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#ifdef __cplusplus
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}
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#endif
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#endif
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