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send-announce.c
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send-announce.c
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/*
* $Id: send-announce.c,v 1.65 2006/05/25 03:36:56 hno Exp $
*
* DEBUG: section 27 Cache Announcer
* AUTHOR: Duane Wessels
*
* SQUID Web Proxy Cache http://www.squid-cache.org/
* ----------------------------------------------------------
*
* Squid is the result of efforts by numerous individuals from
* the Internet community; see the CONTRIBUTORS file for full
* details. Many organizations have provided support for Squid's
* development; see the SPONSORS file for full details. Squid is
* Copyrighted (C) 2001 by the Regents of the University of
* California; see the COPYRIGHT file for full details. Squid
* incorporates software developed and/or copyrighted by other
* sources; see the CREDITS file for full details.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
*
*/
#include "squid.h"
static IPH send_announce;
void
start_announce(void *datanotused)
{
if (0 == Config.onoff.announce)
return;
if (theOutIcpConnection < 0)
return;
ipcache_nbgethostbyname(Config.Announce.host, send_announce, NULL);
eventAdd("send_announce", start_announce, NULL, (double) Config.Announce.period, 1);
}
static void
send_announce(const ipcache_addrs * ia, void *junk)
{
LOCAL_ARRAY(char, tbuf, 256);
LOCAL_ARRAY(char, sndbuf, BUFSIZ);
struct sockaddr_in S;
char *host = Config.Announce.host;
char *file = NULL;
u_short port = Config.Announce.port;
int l;
int n;
int fd;
int x;
if (ia == NULL) {
debug(27, 1) ("send_announce: Unknown host '%s'\n", host);
return;
}
debug(27, 1) ("Sending Announcement to %s\n", host);
sndbuf[0] = '\0';
snprintf(tbuf, 256, "cache_version SQUID/%s\n", version_string);
strcat(sndbuf, tbuf);
assert(Config.Sockaddr.http);
snprintf(tbuf, 256, "Running on %s %d %d\n",
getMyHostname(),
getMyPort(),
(int) Config.Port.icp);
strcat(sndbuf, tbuf);
if (Config.adminEmail) {
snprintf(tbuf, 256, "cache_admin: %s\n", Config.adminEmail);
strcat(sndbuf, tbuf);
}
snprintf(tbuf, 256, "generated %d [%s]\n",
(int) squid_curtime,
mkhttpdlogtime(&squid_curtime));
strcat(sndbuf, tbuf);
l = strlen(sndbuf);
if ((file = Config.Announce.file) != NULL) {
fd = file_open(file, O_RDONLY | O_TEXT);
if (fd > -1 && (n = FD_READ_METHOD(fd, sndbuf + l, BUFSIZ - l - 1)) > 0) {
fd_bytes(fd, n, FD_READ);
l += n;
sndbuf[l] = '\0';
file_close(fd);
} else {
debug(50, 1) ("send_announce: %s: %s\n", file, xstrerror());
}
}
memset(&S, '\0', sizeof(S));
S.sin_family = AF_INET;
S.sin_port = htons(port);
S.sin_addr = ia->in_addrs[0];
assert(theOutIcpConnection > 0);
x = comm_udp_sendto(theOutIcpConnection,
&S, sizeof(S),
sndbuf, strlen(sndbuf) + 1);
if (x < 0)
debug(27, 1) ("send_announce: FD %d: %s\n", theOutIcpConnection,
xstrerror());
}