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/*
* Copyright (C) 2009 Sony Computer Entertainment Inc.
* Copyright 2009 Sony Corp.
*
* 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; version 2 of the License.
*
* 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 02111-1307 USA
*/
#if defined(HAVE_CONFIG_H)
#include "config.h"
#endif
#define _GNU_SOURCE
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/un.h>
#include "discover/user-event.h"
#if defined(DEBUG)
#define DBG(_args...) do {fprintf(stderr, _args); fflush(stderr); } while (0)
#else
static inline int __attribute__ ((format (printf, 1, 2))) DBG(
__attribute__((unused)) const char *fmt, ...) {return 0; }
#endif
static void print_version(void)
{
printf("pb-event (" PACKAGE_NAME ") " PACKAGE_VERSION "\n");
}
static void print_usage(void)
{
print_version();
printf(
"Usage: pb-event [-h, --help] [-V, --version]\n"
"\n"
" Reads a single petitboot user event on stdin and forwards it to the\n"
" petitboot discover server pb-discover. User events must have the\n"
" following format:\n"
"\n"
" (add|remove)@device-id\\0[name=value\\0][image=value\\0][args=value\\0]\n"
"\n"
"Examples:\n"
"\n"
" printf 'add@/net/eth0\\0name=netboot\\0image=tftp://192.168.1.10/vmlinux\\0args=root=/dev/nfs nfsroot=192.168.1.10:/target\\0' | pb-event\n"
" printf 'remove@/net/eth0\\0' | pb-event\n"
"\n");
}
int main(int argc, __attribute__((unused)) char *argv[])
{
int result;
struct sockaddr_un addr;
char buf[PBOOT_USER_EVENT_SIZE];
ssize_t len;
int s;
int i;
if (argc > 1) {
print_usage();
return EXIT_FAILURE;
}
s = socket(PF_UNIX, SOCK_DGRAM, 0);
if (s < 0) {
fprintf(stderr, "pb-event: socket: %s\n", strerror(errno));
return EXIT_FAILURE;
}
result = EXIT_SUCCESS;
len = fread(buf, 1, sizeof(buf), stdin);
if (!feof(stdin)) {
fprintf(stderr, "pb-event: msg too big (%u byte max)\n",
(unsigned int)sizeof(buf));
result = EXIT_FAILURE;
/* continue on and try to write msg */
}
if (!len)
return result;
memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
strcpy(addr.sun_path, PBOOT_USER_EVENT_SOCKET);
for (i = 10; i; i--) {
ssize_t sent = sendto(s, buf, len, 0, (struct sockaddr *)&addr,
SUN_LEN(&addr));
if (sent == len)
break;
DBG("pb-event: waiting for server %d\n", i);
sleep(1);
}
if (!i) {
fprintf(stderr, "pb-event: send: %s\n", strerror(errno));
return EXIT_FAILURE;
}
DBG("pb-event: wrote %u bytes\n", (unsigned int)len);
return result;
}
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