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inoutc.c
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1996-06-11
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178 lines
/****************************************************************************
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 demonstrates\n\
use of the [in], [out], and [in, out] attributes. For more\n\
information about attributes and RPC API functions, see the\n\
Microsoft RPC programming guide and reference.\n\n"
#define DESCRIPTION \
"One [in], one [out], and one [in,out] parameter are defined\n\
for the function InOutProc(). This program displays the values\n\
of these parameters before and after the remote procedure call.\n\n"
void Usage(char * pszProgramName)
{
fprintf(stderr, "%s", PURPOSE);
fprintf(stderr, "Usage: %s\n", pszProgramName);
fprintf(stderr, " -p protocol_sequence\n");
fprintf(stderr, " -n network_address\n");
fprintf(stderr, " -e endpoint\n");
fprintf(stderr, " -o options\n");
fprintf(stderr, " -1 parameter_1\n");
fprintf(stderr, " -2 parameter_2\n");
fprintf(stderr, " -3 parameter_3\n");
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%x\n", status);
printf("pszStringBinding = %s\n", 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%x\n", status);
if (status) {
exit(status);
}
printf("Calling the remote procedure 'InOutProc'\n");
printf(" parameters = %d %d %0.3f\n", s1, s2, f3);
RpcTryExcept {
InOutProc(s1, &s2, &f3); // call the remote procedure
printf("Returning from the remote procedure 'InOutProc'\n");
printf(" parameters = %d %d %0.3f\n", s1, s2, f3);
Shutdown();
}
RpcExcept(1) {
printf("Runtime reported exception %ld\n", RpcExceptionCode() );
}
RpcEndExcept
/* The call to the remote procedure is complete. */
/* Free the string and binding handle. */
status = RpcBindingFree(&inout_IfHandle);
printf("RpcBindingFree returned 0x%x\n", status);
if (status) {
exit(status);
}
status = RpcStringFree(&pszStringBinding);
printf("RpcStringFree returned 0x%x\n", 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 */