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Annotation of mstools/samples/rpc/data/inout/inoutc.c, revision 1.1

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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