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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: -u uuid
12: -1 short_value_1
13: -2 short_value_2
14: -3 float_value_3
15:
16: PURPOSE: Client side of RPC distributed application
17: FUNCTIONS: main() - binds to server and calls remote procedure
18: COMMENTS:
19:
20: ****************************************************************************/
21: #include <stdio.h>
22: #include <string.h>
23: #include <stdlib.h>
24: #include <rpc.h> // RPC API functions, types
25: #include "inout.h" // header file generated by MIDL compiler
26:
27: #define PURPOSE \
28: "This Microsoft RPC Version 1.0 sample program demonstrates\n\
29: use of the [in], [out], and [in, out] attributes. For more\n\
30: information about attributes and RPC API functions, see the\n\
31: Microsoft RPC programming guide and reference.\n\n"
32:
33: #define DESCRIPTION \
34: "One [in], one [out], and one [in,out] parameter are defined\n\
35: for the function InOutProc(). This program displays the values\n\
36: of these parameters before and after the remote procedure call.\n\n"
37:
38: void Usage(char * pszProgramName)
39: {
40: fprintf(stderr, "%s", PURPOSE);
41: fprintf(stderr, "Usage: %s\n", pszProgramName);
42: fprintf(stderr, " -p protocol_sequence\n");
43: fprintf(stderr, " -n network_address\n");
44: fprintf(stderr, " -e endpoint\n");
45: fprintf(stderr, " -o options\n");
46: fprintf(stderr, " -u uuid\n");
47: fprintf(stderr, " -1 parameter_1\n");
48: fprintf(stderr, " -2 parameter_2\n");
49: fprintf(stderr, " -3 parameter_3\n");
50: exit(1);
51: }
52:
53: void * MIDL_user_allocate(size_t len)
54: {
55: return(malloc(len));
56: }
57:
58: void MIDL_user_free(void * ptr)
59: {
60: free(ptr);
61: }
62:
63: void main(int argc, char **argv)
64: {
65: RPC_STATUS status; // returned by RPC API function
66: unsigned char * pszUuid = "12345678-1234-1234-1234-123456789ABC";
67: unsigned char * pszProtocolSequence = "ncacn_np";
68: unsigned char * pszNetworkAddress = NULL;
69: unsigned char * pszEndpoint = "\\pipe\\inout";
70: unsigned char * pszOptions = NULL;
71: unsigned char * pszStringBinding = NULL;
72: short s1 = 257;
73: short s2 = 631;
74: float f3 = (float) 0.406;
75:
76: int i;
77:
78: // allow the user to override settings with command line switches
79: for (i = 1; i < argc; i++) {
80: if ((*argv[i] == '-') || (*argv[i] == '/')) {
81: switch (tolower(*(argv[i]+1))) {
82: case 'p': // protocol sequence
83: pszProtocolSequence = argv[++i];
84: break;
85: case 'n': // network address
86: pszNetworkAddress = argv[++i];
87: break;
88: case 'e':
89: pszEndpoint = argv[++i];
90: break;
91: case 'o':
92: pszOptions = argv[++i];
93: break;
94: case 'u':
95: pszUuid = argv[++i];
96: break;
97: case '1':
98: s1 = (short) atoi(argv[++i]);
99: break;
100: case '2':
101: s2 = (short) atoi(argv[++i]);
102: break;
103: case '3':
104: f3 = (float) atof(argv[++i]);
105: break;
106: case 'h':
107: case '?':
108: default:
109: Usage(argv[0]);
110: }
111: }
112: else
113: Usage(argv[0]);
114: }
115: printf("%s", DESCRIPTION);
116:
117: /* Use a convenience function to concatenate the elements of */
118: /* the string binding into the proper sequence. */
119:
120: status = RpcStringBindingCompose(pszUuid,
121: pszProtocolSequence,
122: pszNetworkAddress,
123: pszEndpoint,
124: pszOptions,
125: &pszStringBinding);
126: printf("RpcStringBindingCompose returned 0x%x\n", status);
127: printf("pszStringBinding = %s\n", pszStringBinding);
128: if (status)
129: exit(2);
130:
131: /* Set the binding handle that will be used to bind to the server. */
132:
133: status = RpcBindingFromStringBinding(pszStringBinding,
134: &inout_IfHandle);
135: printf("RpcBindingFromStringBinding returned 0x%x\n", status);
136: if (status)
137: exit(2);
138:
139: printf("Calling the remote procedure 'InOutProc'\n");
140: printf(" parameters = %d %d %0.3f\n", s1, s2, f3);
141:
142: InOutProc(s1, &s2, &f3); // call the remote procedure
143:
144: printf("Returning from the remote procedure 'InOutProc'\n");
145: printf(" parameters = %d %d %0.3f\n", s1, s2, f3);
146:
147: Shutdown();
148:
149: /* The call to the remote procedure is complete. Free the binding handle */
150:
151: status = RpcBindingFree(&inout_IfHandle); // remote calls done; unbind
152: printf("RpcBindingFree returned 0x%x\n", status);
153: if (status)
154: exit(2);
155:
156: status = RpcStringFree(&pszStringBinding); // free memory for string
157: printf("RpcStringFree returned 0x%x\n", status);
158: if (status)
159: exit(2);
160:
161: exit(0);
162:
163: } /* end inoutc.c */
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