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/****************************************************************************
Microsoft RPC Version 1`1 Copyright Microsoft Corp. 1992 Hello Example
FILE: helloc.c USAGE: client -n network_address -p protocol_sequence -e endpoint -o options -u uuid
PURPOSE: Client side of RPC distributed application FUNCTIONS: main() - binds to server and calls remote procedure COMMENTS: This distributed application prints a string such as "hello, world" on the server. The client manages its connection to the server. The client uses the binding handle hello_IfHandle defined in the file hello.h.
****************************************************************************/ #include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <rpc.h> // RPC API functions, types
#include "hello.h" // header file generated by MIDL compiler
void Usage(char * pszProgramName) { 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, " -u uuid\n"); fprintf(stderr, " -s string\n"); exit(1); }
int __cdecl main (argc, argv) int argc; char *argv[]; { RPC_STATUS status; // returned by RPC API function
unsigned char * pszUuid = "12345678-1234-1234-1234-123456789ABC"; unsigned char * pszProtocolSequence = "ncacn_np"; unsigned char * pszNetworkAddress = NULL; unsigned char * pszEndpoint = "\\pipe\\hello"; unsigned char * pszOptions = NULL; unsigned char * pszStringBinding = NULL; unsigned char * pszString = "hello, world"; 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 'u': pszUuid = argv[++i]; break; case 's': pszString = argv[++i]; break; case 'h': case '?': default: Usage(argv[0]); } } else { Usage(argv[0]); } }
// Use a convenience function to concatenate the elements of
// the string binding into the proper sequence.
status = RpcStringBindingCompose(pszUuid, pszProtocolSequence, pszNetworkAddress, pszEndpoint, pszOptions, &pszStringBinding);
if (status) { printf("RpcStringBindingCompose returned 0x%x\n", status); exit(2); } printf("pszStringBinding = %s\n", pszStringBinding);
//
// Set the binding handle that will be used to bind to the server.
//
status = RpcBindingFromStringBinding(pszStringBinding, &hello_IfHandle); if (status) { printf("RpcBindingFromStringBinding returned 0x%x\n", status); exit(2); }
//
// Tell RPC to do the security thing.
//
status = RpcBindingSetAuthInfo( hello_IfHandle, "ntdev\\chandans", RPC_C_AUTHN_LEVEL_CONNECT, 18, NULL, RPC_C_AUTHZ_NAME );
if ( status ) { printf("RpcBindingSetAuthInfo returned %ld\n", status); exit(2); }
//
// Do the actual RPC calls to the server.
//
printf(" print the string '%s' on the server\n", pszString);
RpcTryExcept { int i; for ( i=0; i<100 ; i++ ) { HelloProc(pszString); // make call with user message
} Shutdown(); // shut down the server side
} RpcExcept(1) { printf("Runtime library reported an exception 0x%lx\n", RpcExceptionCode()); } RpcEndExcept
// The calls to the remote procedures are complete.
// Free the string and the binding handle
status = RpcStringFree(&pszStringBinding); // remote calls done; unbind
if (status) { printf("RpcStringFree returned 0x%x\n", status); exit(2); }
status = RpcBindingFree(&hello_IfHandle); // remote calls done; unbind
if (status) { printf("RpcBindingFree returned 0x%x\n", status); exit(2); }
return 0;
}
// ====================================================================
// MIDL allocate and free
// ====================================================================
void __RPC_FAR * __RPC_API MIDL_user_allocate(size_t len) { return(malloc(len)); }
void __RPC_API MIDL_user_free(void __RPC_FAR * ptr) { free(ptr); }
/* end file helloc.c */
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