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/*
* MudName Server v. 1.6 - A character name generator
* Copyright (C) 1997-2001 Ragnar Hojland Espinosa <ragnar@ragnar-hojland.com>
*
* 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/wait.h>
#include <time.h>
#include "names.h"
#include "globals.h"
#include "server.h"
int serverfd;
int connection_count;
void name_generator (int fd, void *args)
{
int i;
srand (time(NULL) ^ getpid());
write (fd, text_version, strlen (text_version));
write (fd, text_ad, strlen (text_ad));
for (i = 0; i < 10; ++i) {
char buf[8192];
generate_name (rrand(0,dictionary_count - 1), buf, 8190);
strcat (buf, "\n\r");
buf[0] -= 32;
write (fd, buf, strlen (buf));
}
write (fd, text_footer, strlen (text_footer));
}
/* obviously at least gettimeofday shouldn't be called inside a signal
* handler. it'll do, tho */
void handler_sigterm (int signo)
{
struct timeval tv;
char *now;
close (serverfd);
gettimeofday (&tv, NULL);
now = ctime (&tv.tv_sec);
now[strlen(now) -1] = '\0';
fprintf (logfile, "%s: killed, processed %d connections\n", now, connection_count);
exit(0);
}
int init_server (int port)
{
struct sockaddr_in server_addr;
serverfd = socket (AF_INET, SOCK_STREAM, 0);
if (serverfd < 0) {
perror ("socket");
return 1;
}
memset (&server_addr, 0, sizeof(server_addr));
server_addr.sin_family = AF_INET;
server_addr.sin_addr.s_addr = htonl (INADDR_ANY);
server_addr.sin_port = htons(port);
if (bind (serverfd, (struct sockaddr*) &server_addr, sizeof(server_addr)) < 0) {
perror ("bind");
return 1;
}
if (listen (serverfd, 5) < 0) {
perror ("listen");
return 1;
}
return 0;
}
int run_server (void (*function)(int fd, void *args), void *args)
{
struct sockaddr_in client_addr;
struct timeval tv;
char *now;
gettimeofday (&tv, NULL);
now = ctime (&tv.tv_sec);
now[strlen(now) -1] = '\0';
fprintf (logfile, "%s: %s started\n", now, text_fullid);
while (1) {
pid_t child;
unsigned int n = sizeof (client_addr);
int clientfd = accept (serverfd, (struct sockaddr*) &client_addr, &n);
if (clientfd < 0) {
perror ("accept");
}
++connection_count;
if ( (child = fork()) < 0) {
perror ("fork");
} else if (child == 0) {
if ( (child = fork()) < 0) {
perror ("fork");
} else if (child > 0) {
exit(0);
}
close (serverfd);
function (clientfd, args);
close (clientfd);
exit(0);
}
close (clientfd);
waitpid (child, NULL, 0);
}
}
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