INOUTC.C
资源名称:MSDN_VC98.zip [点击查看]
上传用户:bangxh
上传日期:2007-01-31
资源大小:42235k
文件大小:6k
源码类别:
Windows编程
开发平台:
Visual C++
- /****************************************************************************
- Microsoft RPC Version 2.0
- Copyright Microsoft Corp. 1992, 1993, 1994- 1996
- InOut Example
- FILE: inoutc.c
- USAGE: inoutc -n network_address
- -p protocol_sequence
- -e endpoint
- -o options
- -1 short_value_1
- -2 short_value_2
- -3 float_value_3
- PURPOSE: Client side of RPC distributed application inout
- FUNCTIONS: main() - binds to server and calls remote procedure
- COMMENTS: This distributed application demonstrates in, out
- parameters.
- ****************************************************************************/
- #include <stdlib.h>
- #include <stdio.h>
- #include <ctype.h>
- #include "inout.h" // header file generated by MIDL compiler
- #define PURPOSE
- "This Microsoft RPC Version 2.0 sample program demonstratesn
- use of the [in], [out], and [in, out] attributes. For moren
- information about attributes and RPC API functions, see then
- Microsoft RPC programming guide and reference.nn"
- #define DESCRIPTION
- "One [in], one [out], and one [in,out] parameter are definedn
- for the function InOutProc(). This program displays the valuesn
- of these parameters before and after the remote procedure call.nn"
- void Usage(char * pszProgramName)
- {
- fprintf(stderr, "%s", PURPOSE);
- fprintf(stderr, "Usage: %sn", pszProgramName);
- fprintf(stderr, " -p protocol_sequencen");
- fprintf(stderr, " -n network_addressn");
- fprintf(stderr, " -e endpointn");
- fprintf(stderr, " -o optionsn");
- fprintf(stderr, " -1 parameter_1n");
- fprintf(stderr, " -2 parameter_2n");
- fprintf(stderr, " -3 parameter_3n");
- exit(1);
- }
- void _CRTAPI1 main(int argc, char **argv)
- {
- RPC_STATUS status;
- unsigned char * pszUuid = NULL;
- unsigned char * pszProtocolSequence = "ncacn_np";
- unsigned char * pszNetworkAddress = NULL;
- unsigned char * pszEndpoint = "\pipe\inout";
- unsigned char * pszOptions = NULL;
- unsigned char * pszStringBinding = NULL;
- short s1 = 257;
- short s2 = 631;
- float f3 = (float) 0.406;
- int i;
- /* allow the user to override settings with command line switches */
- for (i = 1; i < argc; i++) {
- if ((*argv[i] == '-') || (*argv[i] == '/')) {
- switch (tolower(*(argv[i]+1))) {
- case 'p': // protocol sequence
- pszProtocolSequence = argv[++i];
- break;
- case 'n': // network address
- pszNetworkAddress = argv[++i];
- break;
- case 'e':
- pszEndpoint = argv[++i];
- break;
- case 'o':
- pszOptions = argv[++i];
- break;
- case '1':
- s1 = (short) atoi(argv[++i]);
- break;
- case '2':
- s2 = (short) atoi(argv[++i]);
- break;
- case '3':
- f3 = (float) atof(argv[++i]);
- break;
- case 'h':
- case '?':
- default:
- Usage(argv[0]);
- }
- }
- else
- Usage(argv[0]);
- }
- printf("%s", DESCRIPTION);
- /* Use a convenience function to concatenate the elements of */
- /* the string binding into the proper sequence. */
- status = RpcStringBindingCompose(pszUuid,
- pszProtocolSequence,
- pszNetworkAddress,
- pszEndpoint,
- pszOptions,
- &pszStringBinding);
- printf("RpcStringBindingCompose returned 0x%xn", status);
- printf("pszStringBinding = %sn", pszStringBinding);
- if (status) {
- exit(status);
- }
- /* Set the binding handle that will be used to bind to the server. */
- status = RpcBindingFromStringBinding(pszStringBinding,
- &inout_IfHandle);
- printf("RpcBindingFromStringBinding returned 0x%xn", status);
- if (status) {
- exit(status);
- }
- printf("Calling the remote procedure 'InOutProc'n");
- printf(" parameters = %d %d %0.3fn", s1, s2, f3);
- RpcTryExcept {
- InOutProc(s1, &s2, &f3); // call the remote procedure
- printf("Returning from the remote procedure 'InOutProc'n");
- printf(" parameters = %d %d %0.3fn", s1, s2, f3);
- Shutdown();
- }
- RpcExcept(1) {
- printf("Runtime reported exception %ldn", RpcExceptionCode() );
- }
- RpcEndExcept
- /* The call to the remote procedure is complete. */
- /* Free the string and binding handle. */
- status = RpcBindingFree(&inout_IfHandle);
- printf("RpcBindingFree returned 0x%xn", status);
- if (status) {
- exit(status);
- }
- status = RpcStringFree(&pszStringBinding);
- printf("RpcStringFree returned 0x%xn", status);
- if (status) {
- exit(status);
- }
- exit(0);
- } // end main()
- /*********************************************************************/
- /* MIDL allocate and free */
- /*********************************************************************/
- void __RPC_FAR * __RPC_USER midl_user_allocate(size_t len)
- {
- return(malloc(len));
- }
- void __RPC_USER midl_user_free(void __RPC_FAR * ptr)
- {
- free(ptr);
- }
- /* end file inoutc.c */