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/*
* $Header$
*
* Copyright 2008 Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
#include <stdlib.h>
#include <stdio.h>
#include "ccs_request.h" // header file generated by MIDL compiler
#include "cci_debugging.h"
#include "WorkQueue.h"
#include "win-utils.h"
#include "ccs_win_pipe.h"
void ccs_rpc_request(
const long rpcmsg, /* Message type */
const char tspHandle[], /* Client's tspdata* */
const char* pszUUID, /* Where client will listen for the reply */
const long lenRequest, /* Length of buffer */
const char pbRequest[], /* Data buffer */
const long serverStartTime, /* Which server session we're talking to */
long* return_status ) { /* Return code */
cc_int32 status = 0;
cci_stream_t stream;
DWORD* p = (DWORD*)(tspHandle);
WIN_PIPE* pipe = NULL;
cci_debug_printf("%s rpcmsg:%d; UUID:<%s> SST:<%s>",
__FUNCTION__, rpcmsg, pszUUID, serverStartTime);
status = (rpcmsg != CCMSG_REQUEST) && (rpcmsg != CCMSG_PING);
if (!status) {
status = cci_stream_new (&stream); /* Create a stream for the request data */
}
if (!status) { /* Put the data into the stream */
status = cci_stream_write (stream, pbRequest, lenRequest);
}
pipe = ccs_win_pipe_new(pszUUID, *p);
worklist_add(rpcmsg, pipe, stream, serverStartTime);
*return_status = status;
}
void ccs_rpc_connect(
const long rpcmsg, /* Message type */
const char tspHandle[], /* Client's tspdata* */
const char* pszUUID, /* Data buffer */
long* return_status ) { /* Return code */
DWORD* p = (DWORD*)(tspHandle);
WIN_PIPE* pipe = ccs_win_pipe_new(pszUUID, *p);
cci_debug_printf("%s; rpcmsg:%d; UUID: <%s>", __FUNCTION__, rpcmsg, pszUUID);
worklist_add( rpcmsg,
pipe,
NULL, /* No payload with connect request */
(const time_t)0 ); /* No server session number with connect request */
}
// 'Authentication' is client setting a value in a file and the server
// returning that value plus one.
CC_UINT32 ccs_authenticate(const CC_CHAR* name) {
HANDLE hMap = 0;
PDWORD pvalue = 0;
CC_UINT32 result = 0;
DWORD status = 0;
cci_debug_printf("%s ( %s )", __FUNCTION__, name);
hMap = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, (LPSTR)name);
status = !hMap;
if (!status) {
pvalue = (PDWORD)MapViewOfFile(hMap, FILE_MAP_WRITE, 0, 0, 0);
status = !pvalue;
}
if (!status) {
*pvalue += 1;
result = *pvalue;
}
if (pvalue) {
UnmapViewOfFile(pvalue);
}
if (hMap) CloseHandle(hMap);
return result;
}
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