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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: xmit Example ! 5: ! 6: FILE: xmitc.c ! 7: ! 8: USAGE: xmitc -n network_address ! 9: -p protocol_sequence ! 10: -e endpoint ! 11: -o options ! 12: -c count of elements in linked list ! 13: -v value of first element in linked list ! 14: -d delta between values in linked list ! 15: ! 16: PURPOSE: Client side of RPC distributed application. ! 17: This sample demonstrates the transmit_as example. ! 18: A doubly-linked list is transmitted over the network ! 19: as a sized array. ! 20: ! 21: RELATED: xmits.c - server main ! 22: xmitp.c - remote procedures ! 23: xmitu.c - utility procedures ! 24: ! 25: FUNCTIONS: main() - bind to server and call remote procedure ! 26: ! 27: COMMENTS: This sample program generates a linked list to ! 28: demonstrate how a list with aliasing can be transmitted ! 29: using the transmit_as attribute as a sized array. ! 30: The pointers are rebuilt on the server side. ! 31: ! 32: The [transmit_as] attribute (used in the typedef of ! 33: DOUBLE_LINK_TYPE in the file XMIT.IDL) requires the ! 34: four user-supplied functions whose names start with ! 35: the name of the presented type, DOUBLE_LINK_TYPE. ! 36: ! 37: The [in, out] attributes applied to remote procedure ! 38: parameters require the two user-supplied functions ! 39: midl_user_allocate and midl_user_free. 1.1 root 40: 1.1.1.3 ! root 41: The other functions are utilities that are used to ! 42: build or display the data structures. 1.1 root 43: 44: 45: ****************************************************************************/ 1.1.1.3 ! root 46: 1.1 root 47: #include <stdlib.h> 1.1.1.3 ! root 48: #include <stdio.h> ! 49: #include <ctype.h> 1.1 root 50: #include "xmit.h" // header file generated by MIDL compiler 1.1.1.2 root 51: #include "xmitu.h" // utility function prototypes 52: 1.1 root 53: #define PURPOSE \ 54: "This Microsoft RPC Version 1.0 sample program demonstrates\n\ 55: the use of the [transmit_as] attribute. For more information\n\ 56: about the attributes and the RPC API functions, see the\n\ 57: RPC programming guide and reference.\n\n" 58: 59: #define MAX_ELEMENTS 50 60: 61: void Usage(char * pszProgramName) 62: { 63: fprintf(stderr, "%s", PURPOSE); 64: fprintf(stderr, "Usage: %s\n", pszProgramName); 65: fprintf(stderr, " -p protocol_sequence\n"); 66: fprintf(stderr, " -n network_address\n"); 67: fprintf(stderr, " -e endpoint\n"); 68: fprintf(stderr, " -o options\n"); 69: fprintf(stderr, " -c count_of_elements\n"); 70: fprintf(stderr, " -v value\n"); 71: fprintf(stderr, " -d delta\n"); 72: exit(1); 73: } 74: 1.1.1.2 root 75: void _CRTAPI1 main(int argc, char **argv) 1.1 root 76: { 1.1.1.3 ! root 77: RPC_STATUS status; ! 78: unsigned char * pszUuid = NULL; 1.1 root 79: unsigned char * pszProtocolSequence = "ncacn_np"; 80: unsigned char * pszNetworkAddress = NULL; 1.1.1.3 ! root 81: unsigned char * pszEndpoint = "\\pipe\\xmit"; 1.1 root 82: unsigned char * pszOptions = NULL; 1.1.1.3 ! root 83: unsigned char * pszStringBinding = NULL; 1.1 root 84: int i; 85: int cElements = 10; 86: short sValue = 100; 87: short sDelta = 10; 88: 1.1.1.3 ! root 89: DOUBLE_LINK_TYPE *pFirst, *pCurrent; 1.1 root 90: 1.1.1.3 ! root 91: /* allow the user to override settings with command line switches */ 1.1 root 92: for (i = 1; i < argc; i++) { 1.1.1.3 ! root 93: if ((*argv[i] == '-') || (*argv[i] == '/')) { ! 94: switch (tolower(*(argv[i]+1))) { ! 95: case 'p': // protocol sequence ! 96: pszProtocolSequence = argv[++i]; ! 97: break; ! 98: case 'n': // network address ! 99: pszNetworkAddress = argv[++i]; ! 100: break; ! 101: case 'e': ! 102: pszEndpoint = argv[++i]; ! 103: break; ! 104: case 'o': ! 105: pszOptions = argv[++i]; ! 106: break; ! 107: case 'c': ! 108: cElements = atoi(argv[++i]); ! 109: if (cElements > MAX_ELEMENTS) ! 110: cElements = MAX_ELEMENTS; ! 111: break; ! 112: case 'v': ! 113: sValue = (short)atoi(argv[++i]); ! 114: break; ! 115: case 'd': ! 116: sDelta = (short)atoi(argv[++i]); ! 117: break; ! 118: case 'h': ! 119: case '?': ! 120: default: ! 121: Usage(argv[0]); ! 122: } ! 123: } ! 124: else ! 125: Usage(argv[0]); 1.1 root 126: } 1.1.1.3 ! root 127: ! 128: /* initialize a list with a number of elements */ 1.1 root 129: pFirst = InsertNewNode(sValue, NULL); 1.1.1.3 ! root 130: pCurrent = pFirst; // assign some values to the list nodes ! 131: sValue += sDelta; // make them different values 1.1 root 132: 133: for (i = 1; i < cElements; i++) { 1.1.1.3 ! root 134: pCurrent = InsertNewNode(sValue, pCurrent); ! 135: sValue += sDelta; 1.1 root 136: } 137: ListWalkProc(pFirst); 138: 1.1.1.3 ! root 139: /* Use a convenience function to concatenate the elements of the string */ ! 140: /* binding into the syntax needed by RpcBindingFromStringBinding. */ 1.1 root 141: status = RpcStringBindingCompose(pszUuid, 142: pszProtocolSequence, 143: pszNetworkAddress, 144: pszEndpoint, 145: pszOptions, 146: &pszStringBinding); 147: printf("RpcStringBindingCompose returned 0x%x\n", status); 148: printf("pszStringBinding = %s\n", pszStringBinding); 1.1.1.3 ! root 149: if (status) { ! 150: exit(status); ! 151: } 1.1 root 152: 1.1.1.3 ! root 153: /* Set the binding handle that will be used to bind to the server. */ 1.1 root 154: status = RpcBindingFromStringBinding(pszStringBinding, 1.1.1.3 ! root 155: &hXmit); 1.1 root 156: printf("RpcBindingFromStringBinding returned 0x%x\n", status); 1.1.1.3 ! root 157: if (status) { ! 158: exit(status); ! 159: } 1.1 root 160: 161: printf("Calling the remote procedure 'ModifyListProc'\n"); 1.1.1.3 ! root 162: ModifyListProc(pFirst); // call the remote procedure 1.1 root 163: 164: printf("Calling the remote procedure 'Shutdown'\n"); 1.1.1.3 ! root 165: Shutdown(); // shut down the server side 1.1 root 166: 167: printf("After ModifyListProc, the list appears as follows:\n"); 168: ListWalkProc(pFirst); // call the utility that displays the list 169: 1.1.1.3 ! root 170: /* The calls to the remote procedures are complete. */ ! 171: /* Free the string and the binding handle using RPC API calls. */ ! 172: status = RpcStringFree(&pszStringBinding); 1.1 root 173: printf("RpcStringFree returned 0x%x\n", status); 1.1.1.3 ! root 174: if (status) { ! 175: exit(status); ! 176: } 1.1 root 177: 1.1.1.3 ! root 178: status = RpcBindingFree(&hXmit); 1.1 root 179: printf("RpcBindingFree returned 0x%x\n", status); 1.1.1.3 ! root 180: if (status) { ! 181: exit(status); ! 182: } 1.1 root 183: 1.1.1.3 ! root 184: exit(0); ! 185: ! 186: } // end main() ! 187: ! 188: /* end file xmitc.c */
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