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[gapil.git] / sources / MQFortuneClient.c

diff --git a/sources/MQFortuneClient.c b/sources/MQFortuneClient.c
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--- a/sources/MQFortuneClient.c
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-/* MQFortuneClient.c
- * 
- * Copyright (C) 2002 Simone Piccardi
- * 
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-/****************************************************************
- *
- * Program fortuned 
- * Fortune Cleint - Using Message Queues
- *
- * Author: Simone Piccardi
- * Oct. 2002
- *
- * Usage: fortune -h give all info
- *
- * $Id: MQFortuneClient.c,v 1.2 2002/12/03 11:06:05 piccardi Exp $
- *
- ****************************************************************/
-/* 
- * Include needed headers
- */
-#include <sys/types.h>   /* predefined types */
-#include <sys/stat.h>    /*  */
-#include <unistd.h>      /* include unix standard library */
-#include <stdio.h>       /* include standard I/O library */
-#include <stdlib.h>     /* standard library */
-#include <string.h>     /* ANSI C standard string */
-#include <errno.h>      /* errorstring */
-#include <signal.h>     /* signals */
-#include <sys/ipc.h>
-#include <sys/msg.h>
-
-#include "macros.h"
-
-/* Maximum message size */
-#define MSGMAX 8192
-
-/* Subroutines declaration */
-void usage(void);
-
-int main(int argc, char *argv[])
-{
-/* Variables definition */
-    int i;
-    struct msgbuf_read {          /* message struct to ask fortune to server */
-       long mtype;                               /* message type, must be 1 */
-       long pid;             /* message data, must be the pid of the client */
-    } msg_read;
-    struct msgbuf_write {        /* message struct to get result from server */
-       long mtype;            /* message type, will be the pid of the client*/
-       char mtext[MSGMAX];             /* message data, will be the fortune */
-    } msg_write;
-    int msgid;                                   /* Message queue identifier */
-    key_t key;                                          /* Message queue key */
-    int size;                                                /* message size */
-    /*
-     * Input section: decode parameters passed in the calling 
-     * Use getopt function
-     */
-    opterr = 0;                                     /* don't want writing to stderr */
-    while ( (i = getopt(argc, argv, "h")) != -1) {
-       switch (i) {
-       /* 
-        * Handling options 
-        */ 
-       case 'h':  
-           usage();
-           return(0);
-           break;
-       case '?':                                    /* unrecognized options */
-           printf("Unrecognized options -%c\n", optopt);
-           usage();
-       default:                                       /* should not reached */
-           usage();
-       }
-    }
-    /* ***********************************************************
-     * 
-     *          Options processing completed
-     *
-     *               Main code beginning
-     * 
-     * ***********************************************************/
-    /* 
-     * Comunication section 
-     */
-    key = ftok("./MQFortuneServer.c", 1); 
-    msgid = msgget(key, 0); 
-    if (msgid < 0) {
-       perror("Cannot find message queue");
-       exit(1);
-    }
-
-    /* Main body: do request and write result */
-    msg_read.mtype = 1;                      /* type for request is always 1 */
-    msg_read.pid = getpid();                   /* use pid for communications */
-    size = sizeof(msg_read.pid);  
-    msgsnd(msgid, &msg_read, size, 0);               /* send request message */
-    debug("sent request from %d\n", msg_read.pid);
-    msgrcv(msgid, &msg_write, MSGMAX, msg_read.pid, MSG_NOERROR);
-    printf("%s", msg_write.mtext);
-}
-/*
- * routine to print usage info and exit
- */
-void usage(void) {
-    printf("Elementary fortune server\n");
-    printf("Usage:\n");
-    printf("  fortuned [-h] [-f] -n XXX \n");
-    printf("  -h   print this help\n");
-    printf("  -f filename   set file for fortunes\n");
-    printf("  -n XXX        set pool depth\n");
-    exit(1);
-}