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1.1 root 1: /****************************************************************************
2: Microsoft RPC Version 1.0
3: Copyright Microsoft Corp. 1992
4: InOut Example
5:
6: FILE: inoutc.c
7: USAGE: inoutc -n network_address
8: -p protocol_sequence
9: -e endpoint
10: -o options
11: -1 short_value_1
12: -2 short_value_2
13: -3 float_value_3
14:
15: PURPOSE: Client side of RPC distributed application
16: FUNCTIONS: main() - binds to server and calls remote procedure
17: COMMENTS:
18:
19: ****************************************************************************/
20: #include <stdio.h>
21: #include <string.h>
22: #include <stdlib.h>
23: #include <rpc.h> // RPC API functions, types
24: #include "inout.h" // header file generated by MIDL compiler
25:
26: #define PURPOSE \
27: "This Microsoft RPC Version 1.0 sample program demonstrates\n\
28: use of the [in], [out], and [in, out] attributes. For more\n\
29: information about attributes and RPC API functions, see the\n\
30: Microsoft RPC programming guide and reference.\n\n"
31:
32: #define DESCRIPTION \
33: "One [in], one [out], and one [in,out] parameter are defined\n\
34: for the function InOutProc(). This program displays the values\n\
35: of these parameters before and after the remote procedure call.\n\n"
36:
37: void Usage(char * pszProgramName)
38: {
39: fprintf(stderr, "%s", PURPOSE);
40: fprintf(stderr, "Usage: %s\n", pszProgramName);
41: fprintf(stderr, " -p protocol_sequence\n");
42: fprintf(stderr, " -n network_address\n");
43: fprintf(stderr, " -e endpoint\n");
44: fprintf(stderr, " -o options\n");
45: fprintf(stderr, " -1 parameter_1\n");
46: fprintf(stderr, " -2 parameter_2\n");
47: fprintf(stderr, " -3 parameter_3\n");
48: exit(1);
49: }
50:
51: void * MIDL_user_allocate(size_t len)
52: {
53: return(malloc(len));
54: }
55:
56: void MIDL_user_free(void * ptr)
57: {
58: free(ptr);
59: }
60:
1.1.1.2 ! root 61: void _CRTAPI1 main(int argc, char **argv)
1.1 root 62: {
63: RPC_STATUS status; // returned by RPC API function
1.1.1.2 ! root 64: unsigned char * pszUuid = NULL;
1.1 root 65: unsigned char * pszProtocolSequence = "ncacn_np";
66: unsigned char * pszNetworkAddress = NULL;
67: unsigned char * pszEndpoint = "\\pipe\\inout";
68: unsigned char * pszOptions = NULL;
69: unsigned char * pszStringBinding = NULL;
70: short s1 = 257;
71: short s2 = 631;
72: float f3 = (float) 0.406;
73:
74: int i;
75:
76: // allow the user to override settings with command line switches
77: for (i = 1; i < argc; i++) {
78: if ((*argv[i] == '-') || (*argv[i] == '/')) {
79: switch (tolower(*(argv[i]+1))) {
80: case 'p': // protocol sequence
81: pszProtocolSequence = argv[++i];
82: break;
83: case 'n': // network address
84: pszNetworkAddress = argv[++i];
85: break;
86: case 'e':
87: pszEndpoint = argv[++i];
88: break;
89: case 'o':
90: pszOptions = argv[++i];
91: break;
92: case '1':
93: s1 = (short) atoi(argv[++i]);
94: break;
95: case '2':
96: s2 = (short) atoi(argv[++i]);
97: break;
98: case '3':
99: f3 = (float) atof(argv[++i]);
100: break;
101: case 'h':
102: case '?':
103: default:
104: Usage(argv[0]);
105: }
106: }
107: else
108: Usage(argv[0]);
109: }
110: printf("%s", DESCRIPTION);
111:
112: /* Use a convenience function to concatenate the elements of */
113: /* the string binding into the proper sequence. */
114:
115: status = RpcStringBindingCompose(pszUuid,
116: pszProtocolSequence,
117: pszNetworkAddress,
118: pszEndpoint,
119: pszOptions,
120: &pszStringBinding);
121: printf("RpcStringBindingCompose returned 0x%x\n", status);
122: printf("pszStringBinding = %s\n", pszStringBinding);
123: if (status)
124: exit(2);
125:
126: /* Set the binding handle that will be used to bind to the server. */
127:
128: status = RpcBindingFromStringBinding(pszStringBinding,
129: &inout_IfHandle);
130: printf("RpcBindingFromStringBinding returned 0x%x\n", status);
131: if (status)
132: exit(2);
133:
134: printf("Calling the remote procedure 'InOutProc'\n");
135: printf(" parameters = %d %d %0.3f\n", s1, s2, f3);
136:
137: InOutProc(s1, &s2, &f3); // call the remote procedure
138:
139: printf("Returning from the remote procedure 'InOutProc'\n");
140: printf(" parameters = %d %d %0.3f\n", s1, s2, f3);
141:
142: Shutdown();
143:
144: /* The call to the remote procedure is complete. Free the binding handle */
145:
146: status = RpcBindingFree(&inout_IfHandle); // remote calls done; unbind
147: printf("RpcBindingFree returned 0x%x\n", status);
148: if (status)
149: exit(2);
150:
151: status = RpcStringFree(&pszStringBinding); // free memory for string
152: printf("RpcStringFree returned 0x%x\n", status);
153: if (status)
154: exit(2);
155:
156: exit(0);
157:
158: } /* end inoutc.c */
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