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Annotation of mstools/samples/rpc/callback/calls.c, revision 1.1.1.1

1.1       root        1: /****************************************************************************
                      2:                   Microsoft RPC Version 1.0
                      3:                Copyright Microsoft Corp. 1992
                      4:                       call Example
                      5: 
                      6:     FILE:       calls.c
                      7: 
                      8:     USAGE:      calls  -p protocol_sequence
                      9:                        -e endpoint
                     10:                        -m max calls
                     11:                        -n min calls
                     12:                        -f flag for RpcServerListen
                     13: 
                     14:     PURPOSE:    Server side of RPC distributed application call
                     15: 
                     16:     FUNCTIONS:  main() - registers server as RPC server
                     17: 
                     18:     COMMENTS:   This sample program generates a Fibonacci number by
                     19:                 static callback.
                     20: 
                     21: ****************************************************************************/
                     22: 
                     23: #include <stdlib.h>
                     24: #include <stdio.h>
                     25: #include <string.h>
                     26: #include <ctype.h>
                     27: #include "call.h"    // header file generated by MIDL compiler
                     28: 
                     29: #define PURPOSE \
                     30: "This Microsoft RPC Version 1.0 sample program demonstrates\n\
                     31: the use of the [string] attribute. For more information\n\
                     32: about the attributes and the RPC API functions, see the\n\
                     33: RPC programming guide and reference.\n\n"
                     34: 
                     35: void Usage(char * pszProgramName)
                     36: {
                     37:     fprintf(stderr, "%s", PURPOSE);
                     38:     fprintf(stderr, "Usage:  %s\n", pszProgramName);
                     39:     fprintf(stderr, " -p protocol_sequence\n");
                     40:     fprintf(stderr, " -e endpoint\n");
                     41:     fprintf(stderr, " -m maxcalls\n");
                     42:     fprintf(stderr, " -n mincalls\n");
                     43:     fprintf(stderr, " -f flag_wait_op\n");
                     44:     exit(1);
                     45: }
                     46: 
                     47: /* main:  register the interface, start listening for clients */
                     48: void _CRTAPI1 main(int argc, char * argv[])
                     49: {
                     50:     RPC_STATUS status;
                     51:     unsigned char * pszProtocolSequence = "ncacn_np";
                     52:     unsigned char * pszSecurity         = NULL;
                     53:     unsigned char * pszEndpoint         = "\\pipe\\callback";
                     54:     unsigned int    cMinCalls           = 1;
                     55:     unsigned int    cMaxCalls           = 20;
                     56:     unsigned int    fDontWait           = FALSE;
                     57:     int i;
                     58: 
                     59:     /* allow the user to override settings with command line switches */
                     60:     for (i = 1; i < argc; i++) {
                     61:         if ((*argv[i] == '-') || (*argv[i] == '/')) {
                     62:             switch (tolower(*(argv[i]+1))) {
                     63:             case 'p':  // protocol sequence
                     64:                 pszProtocolSequence = argv[++i];
                     65:                 break;
                     66:             case 'e':
                     67:                 pszEndpoint = argv[++i];
                     68:                 break;
                     69:             case 'm':
                     70:                 cMaxCalls = (unsigned int) atoi(argv[++i]);
                     71:                 break;
                     72:             case 'n':
                     73:                 cMinCalls = (unsigned int) atoi(argv[++i]);
                     74:                 break;
                     75:             case 'f':
                     76:                 fDontWait = (unsigned int) atoi(argv[++i]);
                     77:                 break;
                     78:             case 'h':
                     79:             case '?':
                     80:             default:
                     81:                 Usage(argv[0]);
                     82:             }
                     83:         }
                     84:         else
                     85:             Usage(argv[0]);
                     86:     }
                     87: 
                     88:     status = RpcServerUseProtseqEp(pszProtocolSequence,
                     89:                                    cMaxCalls,   
                     90:                                    pszEndpoint,
                     91:                                    pszSecurity);  // Security descriptor
                     92:     printf("RpcServerUseProtseqEp returned 0x%x\n", status);
                     93:     if (status) {
                     94:         exit(status);
                     95:     }
                     96: 
                     97:     status = RpcServerRegisterIf(callback_ServerIfHandle,  // interface to register
                     98:                                  NULL,   // MgrTypeUuid
                     99:                                  NULL);  // MgrEpv; null means use default
                    100:     printf("RpcServerRegisterIf returned 0x%x\n", status);
                    101:     if (status) {
                    102:         exit(status);
                    103:     }
                    104: 
                    105:     printf("Calling RpcServerListen\n");
                    106:     status = RpcServerListen(cMinCalls,
                    107:                              cMaxCalls,
                    108:                              fDontWait);
                    109:     printf("RpcServerListen returned: 0x%x\n", status);
                    110:     if (status) {
                    111:         exit(status);
                    112:     }
                    113: 
                    114:     if (fDontWait) {
                    115:         printf("Calling RpcMgmtWaitServerListen\n");
                    116:         status = RpcMgmtWaitServerListen();  //  wait operation
                    117:         printf("RpcMgmtWaitServerListen returned: 0x%x\n", status);
                    118:         if (status) {
                    119:             exit(status);
                    120:         }
                    121:     }
                    122: 
                    123: }  // end main() 
                    124: 
                    125: 
                    126: /*********************************************************************/
                    127: /*                 MIDL allocate and free                            */
                    128: /*********************************************************************/
                    129: 
                    130: void __RPC_FAR * __RPC_API midl_user_allocate(size_t len)
                    131: {
                    132:     return(malloc(len));
                    133: }
                    134: 
                    135: void __RPC_API midl_user_free(void __RPC_FAR * ptr)
                    136: {
                    137:     free(ptr);
                    138: }
                    139: 
                    140: /* end file calls.c */

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