mirror of https://gerrit.osmocom.org/libosmocore
140 lines
3.7 KiB
C
140 lines
3.7 KiB
C
/* Small program to read an input file / stdin and send each line via GSMTAP logging */
|
|
/* (C) 2023 by Harald Welte <laforge@osmocom.org>
|
|
*
|
|
* All Rights Reserved
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <sys/uio.h>
|
|
#include <getopt.h>
|
|
|
|
#include <osmocom/core/byteswap.h>
|
|
#include <osmocom/core/logging.h>
|
|
#include <osmocom/core/timer.h>
|
|
#include <osmocom/core/gsmtap.h>
|
|
#include <osmocom/core/gsmtap_util.h>
|
|
|
|
static char *proc_name = "gsmtap-logsend";
|
|
static char *subsys_name = "unknown";
|
|
static char *dest_host = "localhost";
|
|
static int dest_port = GSMTAP_UDP_PORT;
|
|
|
|
static void help(void)
|
|
{
|
|
printf("osmo-gsmtap-logsend Usage:\n"
|
|
"\t[ -r DESTADDR ] [ -p PORTNR ] [ -n PROC_NAME ] [ -s SUBSYS ] [ INFILE ]\n"
|
|
"\n"
|
|
" -a --remote-address HOSTNAME Destination IP destination address (default: localhost)\n"
|
|
" -p --remote-port PORTNR Destination UDP Port number (default: 4729)\n"
|
|
" -n --process-name PROC_NAME Process name to include in GSMTAP LOG header\n"
|
|
" -s --subsys-name SUBSYS Subsystem name to include in GSMTAP LOG header\n"
|
|
" -h --help This help message\n"
|
|
);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
char buf[1024];
|
|
int gsmtap_fd;
|
|
FILE *infile;
|
|
char *line;
|
|
int rc;
|
|
|
|
while (1) {
|
|
static const struct option long_options[] = {
|
|
{ "remote-address", 1, 0, 'a' },
|
|
{ "remote-port", 1, 0, 'p' },
|
|
{ "process-name", 1, 0, 'n' },
|
|
{ "subsys-name", 1, 0, 's' },
|
|
{ "help", 0, 0, 'h' },
|
|
{ 0, 0, 0, 0 }
|
|
};
|
|
int c, option_index;
|
|
|
|
c = getopt_long(argc, argv, "a:p:n:s:h", long_options, &option_index);
|
|
if (c == -1)
|
|
break;
|
|
|
|
switch (c) {
|
|
case 'a':
|
|
dest_host = optarg;
|
|
break;
|
|
case 'p':
|
|
dest_port = atoi(optarg);
|
|
break;
|
|
case 'n':
|
|
proc_name = optarg;
|
|
break;
|
|
case 's':
|
|
subsys_name = optarg;
|
|
break;
|
|
case 'h':
|
|
help();
|
|
exit(0);
|
|
break;
|
|
default:
|
|
help();
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (argc <= optind) {
|
|
infile = stdin;
|
|
} else {
|
|
infile = fopen(argv[optind], "r");
|
|
if (!infile) {
|
|
fprintf(stderr, "Unable to open %s: %s\n", argv[optind], strerror(errno));
|
|
exit(2);
|
|
}
|
|
}
|
|
|
|
gsmtap_fd = gsmtap_source_init_fd(dest_host, dest_port);
|
|
if (gsmtap_fd < 0) {
|
|
fprintf(stderr, "Unable to create GSMTAP soicket: %s\n", strerror(errno));
|
|
exit(2);
|
|
}
|
|
|
|
/* prepare all the data structures that don't change for each line */
|
|
struct {
|
|
struct gsmtap_hdr gsmtap;
|
|
struct gsmtap_osmocore_log_hdr log;
|
|
} __attribute__ ((packed)) hdr;
|
|
struct timeval tv;
|
|
|
|
memset(&hdr, 0, sizeof(hdr));
|
|
hdr.gsmtap.version = GSMTAP_VERSION;
|
|
hdr.gsmtap.hdr_len = sizeof(hdr.gsmtap)/4;
|
|
hdr.gsmtap.type = GSMTAP_TYPE_OSMOCORE_LOG;
|
|
|
|
OSMO_STRLCPY_ARRAY(hdr.log.proc_name, proc_name);
|
|
OSMO_STRLCPY_ARRAY(hdr.log.subsys, subsys_name);
|
|
hdr.log.level = LOGL_INFO;
|
|
|
|
while ((line = fgets(buf, sizeof(buf), infile))) {
|
|
struct iovec iov[2] = {
|
|
{ .iov_base = &hdr, .iov_len = sizeof(hdr) },
|
|
{ .iov_base = buf, .iov_len = strlen(line) + 1 },
|
|
};
|
|
osmo_gettimeofday(&tv, NULL);
|
|
hdr.log.ts.sec = osmo_htonl(tv.tv_sec);
|
|
hdr.log.ts.usec = osmo_htonl(tv.tv_usec);
|
|
|
|
rc = writev(gsmtap_fd, iov, ARRAY_SIZE(iov));
|
|
if (rc <= 0) {
|
|
fprintf(stderr, "Short write on GSMTAP socket: %d (%s)\n", rc, strerror(errno));
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|