3 * Copyright (C) 2002 Simone Piccardi
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or (at
8 * your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 /****************************************************************
24 * Author: Simone Piccardi
27 * Usage: fortuned -h give all info
29 * $Id: FortuneServer.c,v 1.1 2002/08/18 10:34:10 piccardi Exp $
31 ****************************************************************/
33 * Include needed headers
35 #include <sys/types.h> /* predefined types */
36 #include <sys/stat.h> /* */
37 #include <unistd.h> /* include unix standard library */
38 #include <stdio.h> /* include standard I/O library */
39 #include <stdlib.h> /* standard library */
40 #include <string.h> /* ANSI C standard string */
41 #include <errno.h> /* errorstring */
42 #include <fcntl.h> /* */
46 /* Subroutines declaration */
48 int FortuneParse(char *file, char **fortune, int n);
50 int main(int argc, char *argv[])
52 /* Variables definition */
55 char *fortunefilename = "/usr/share/misc/fortune/fortune.it";
56 char *fifoname = "/tmp/fortune.fifo";
59 int fifo_server, fifo_client;
62 * Input section: decode parameters passed in the calling
66 opterr = 0; /* don't want writing to stderr */
67 while ( (i = getopt(argc, argv, "hn:f:")) != -1) {
73 printf("Wrong -h option use\n");
78 fortunefilename = optarg;
81 n = strtol(optarg, NULL, 10);
82 fortune = (char **) calloc(sizeof(*fortune), n);
84 case '?': /* unrecognized options */
85 printf("Unrecognized options -%c\n",optopt);
87 default: /* should not reached */
91 /* ***********************************************************
93 * Options processing completed
97 * ***********************************************************/
98 if (n==0) { /* if no pool depth exit */
99 usage(); /* print usage info */
101 i = FortuneParse(fortunefilename, fortune, n);
102 for (n=0; n<i; n++) debug("%s", fortune[n]);
104 * Comunication section
106 if (mkfifo(fifoname, 0622)) {
108 perror("Cannot create well known fifo");
113 fifo_server = open(fifoname, O_RDONLY);
114 if (fifo_server < 0) {
115 perror("Cannot open well known fifo");
118 nread = read(fifo_server, line, 79);
120 debug("%s %d\n", line,nread);
122 debug("fortune[%d]=%s\n", n, fortune[n]);
123 fifo_client = open(line, O_WRONLY);
124 nread = write(fifo_client, fortune[n], strlen(fortune[n])+1);
130 * routine to print usage info and exit
133 printf("Elementary fortune server\n");
135 printf(" fortuned [-h] [-f] -n XXX \n");
136 printf(" -h print this help\n");
137 printf(" -f filename set file for fortunes\n");
138 printf(" -n XXX set pool depth\n");