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1.1 root 1: /**************************************************************************** 1.1.1.3 ! root 2: Microsoft RPC Version 1.0 ! 3: Copyright Microsoft Corp. 1992 ! 4: cxhndl Example ! 5: ! 6: FILE: cxhndlc.c ! 7: ! 8: USAGE: cxhndlc -n network_address ! 9: -p protocol_sequence ! 10: -e endpoint ! 11: -o options ! 12: -f filename ! 13: ! 14: PURPOSE: Client side of RPC distributed application ! 15: ! 16: FUNCTIONS: main() - binds to server and calls remote procedure ! 17: ! 18: COMMENTS: This distributed application uses a context handle. 1.1 root 19: 20: ****************************************************************************/ 1.1.1.3 ! root 21: 1.1 root 22: #include <stdlib.h> 1.1.1.3 ! root 23: #include <stdio.h> ! 24: #include "cxhndl.h" // header file generated by MIDL compiler 1.1 root 25: 26: 27: #define PURPOSE \ 28: "This Microsoft RPC Version 1.0 sample program demonstrates\n\ 29: the use of the [context_handle] attribute. For more information\n\ 30: about attributes and RPC API functions, see the RPC programming\n\ 31: guide and reference.\n\n" 32: 33: 34: void Usage(char * pszProgramName) 35: { 36: fprintf(stderr, "%s", PURPOSE); 37: fprintf(stderr, "Usage: %s\n", pszProgramName); 38: fprintf(stderr, " -p protocol_sequence\n"); 39: fprintf(stderr, " -n network_address\n"); 40: fprintf(stderr, " -e endpoint\n"); 41: fprintf(stderr, " -o options\n"); 42: fprintf(stderr, " -f filename\n"); 43: exit(1); 44: } 45: 1.1.1.2 root 46: void _CRTAPI1 main(int argc, char **argv) 1.1 root 47: { 1.1.1.3 ! root 48: RPC_STATUS status; 1.1 root 49: PCONTEXT_HANDLE_TYPE phContext = NULL; 50: 1.1.1.2 root 51: unsigned char * pbBuf = NULL; 1.1.1.3 ! root 52: short cbRead; // count of bytes read 1.1 root 53: 1.1.1.3 ! root 54: unsigned char * pszUuid = NULL; 1.1 root 55: unsigned char * pszProtocolSequence = "ncacn_np"; 56: unsigned char * pszNetworkAddress = NULL; 1.1.1.3 ! root 57: unsigned char * pszEndpoint = "\\pipe\\cxhndl"; 1.1 root 58: unsigned char * pszOptions = NULL; 1.1.1.3 ! root 59: unsigned char * pszStringBinding = NULL; ! 60: unsigned char * pszFileName = "readme.txt"; 1.1 root 61: int i; 62: 1.1.1.3 ! root 63: /* allow the user to override settings with command line switches */ 1.1 root 64: for (i = 1; i < argc; i++) { 1.1.1.3 ! root 65: if ((*argv[i] == '-') || (*argv[i] == '/')) { ! 66: switch (tolower(*(argv[i]+1))) { ! 67: case 'p': // protocol sequence ! 68: pszProtocolSequence = argv[++i]; ! 69: break; ! 70: case 'n': // network address ! 71: pszNetworkAddress = argv[++i]; ! 72: break; ! 73: case 'e': ! 74: pszEndpoint = argv[++i]; ! 75: break; ! 76: case 'o': ! 77: pszOptions = argv[++i]; ! 78: break; ! 79: case 'f': ! 80: pszFileName = argv[++i]; ! 81: break; ! 82: case 'h': ! 83: case '?': ! 84: default: ! 85: Usage(argv[0]); ! 86: } ! 87: } ! 88: else ! 89: Usage(argv[0]); 1.1 root 90: } 91: 1.1.1.3 ! root 92: pbBuf = (unsigned char *) ! 93: midl_user_allocate(BUFSIZE * sizeof(unsigned char)); 1.1 root 94: 1.1.1.3 ! root 95: /* Use a convenience function to concatenate the elements of */ ! 96: /* the string binding into the proper sequence. */ 1.1 root 97: status = RpcStringBindingCompose(pszUuid, 98: pszProtocolSequence, 99: pszNetworkAddress, 100: pszEndpoint, 101: pszOptions, 102: &pszStringBinding); 103: printf("RpcStringBindingCompose returned 0x%x\n", status); 104: printf("pszStringBinding = %s\n", pszStringBinding); 1.1.1.3 ! root 105: if (status) { ! 106: exit(status); ! 107: } 1.1 root 108: 1.1.1.3 ! root 109: /* Set the binding handle that will be used to bind to the server. */ 1.1 root 110: status = RpcBindingFromStringBinding(pszStringBinding, 1.1.1.3 ! root 111: &hStarter); 1.1 root 112: printf("RpcBindingFromStringBinding returned 0x%x\n", status); 1.1.1.3 ! root 113: if (status) { ! 114: exit(status); ! 115: } 1.1 root 116: 117: printf("Calling the remote procedure RemoteOpen\n"); 118: if (RemoteOpen(&phContext, pszFileName) < 0) { 1.1.1.3 ! root 119: printf("Unable to open %s\n", pszFileName); ! 120: Shutdown(); ! 121: exit(2); 1.1 root 122: } 123: 1.1.1.3 ! root 124: /* Now the context handle also manages the binding. */ 1.1 root 125: status = RpcBindingFree(&hStarter); 126: printf("RpcBindingFree returned 0x%x\n", status); 1.1.1.3 ! root 127: if (status) { ! 128: exit(status); ! 129: } 1.1 root 130: 131: printf("Calling the remote procedure RemoteRead\n"); 1.1.1.3 ! root 132: while (RemoteRead(phContext, pbBuf, &cbRead) > 0) { ! 133: for (i = 0; i < cbRead; i++) ! 134: putchar(*(pbBuf+i)); 1.1 root 135: } 136: 137: printf("Calling the remote procedure RemoteClose\n"); 138: if (RemoteClose(&phContext) < 0 ) { 1.1.1.3 ! root 139: printf("Close failed on %s\n", pszFileName); ! 140: exit(2); 1.1 root 141: } 142: 1.1.1.3 ! root 143: /* The calls to the remote procedures are complete. */ ! 144: /* Free the string and the binding handle */ ! 145: status = RpcStringFree(&pszStringBinding); 1.1 root 146: printf("RpcStringFree returned 0x%x\n", status); 1.1.1.3 ! root 147: if (status) { ! 148: exit(status); ! 149: } 1.1 root 150: 151: exit(0); 152: 1.1.1.3 ! root 153: } // end main() ! 154: ! 155: ! 156: /*********************************************************************/ ! 157: /* MIDL allocate and free */ ! 158: /*********************************************************************/ 1.1 root 159: 1.1.1.3 ! root 160: void __RPC_FAR * __RPC_API midl_user_allocate(size_t len) 1.1 root 161: { 162: return(malloc(len)); 163: } 164: 1.1.1.3 ! root 165: void __RPC_API midl_user_free(void __RPC_FAR * ptr) 1.1 root 166: { 167: free(ptr); 168: } 169: 170: /* end cxhndlc.c */
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