mirror of https://gerrit.osmocom.org/libosmocore
New osmo-gsmtap-logsend utility
This utility can be used to "pipe" stdin or some file as log lines via GSMTAP logging. Change-Id: Ida96e87d84e0c349c5069edc67fec1c3cf19d1abchanges/16/31916/7
parent
5761c44609
commit
b394d6fc85
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@ -72,6 +72,7 @@ tests/*/*_test
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utils/osmo-arfcn
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utils/osmo-auc-gen
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utils/osmo-config-merge
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utils/osmo-gsmtap-logsend
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utils/osmo-sim-test
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utils/osmo-aka-verify
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@ -2,3 +2,4 @@ usr/bin/osmo-arfcn
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usr/bin/osmo-auc-gen
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usr/bin/osmo-aka-verify
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usr/bin/osmo-config-merge
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usr/bin/osmo-gsmtap-logsend
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@ -8,7 +8,7 @@ LDADD = $(top_builddir)/src/core/libosmocore.la $(top_builddir)/src/gsm/libosmog
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if ENABLE_UTILITIES
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EXTRA_DIST = conv_gen.py conv_codes_gsm.py
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bin_PROGRAMS += osmo-arfcn osmo-auc-gen osmo-config-merge osmo-aka-verify
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bin_PROGRAMS += osmo-arfcn osmo-auc-gen osmo-config-merge osmo-aka-verify osmo-gsmtap-logsend
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osmo_arfcn_SOURCES = osmo-arfcn.c
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@ -16,6 +16,8 @@ osmo_auc_gen_SOURCES = osmo-auc-gen.c
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osmo_aka_verify_SOURCES = osmo-aka-verify.c
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osmo_gsmtap_logsend_SOURCES = gsmtap-logsend.c
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osmo_config_merge_SOURCES = osmo-config-merge.c
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osmo_config_merge_LDADD = $(LDADD) $(TALLOC_LIBS)
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@ -0,0 +1,139 @@
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/* Small program to read an input file / stdin and send each line via GSMTAP logging */
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/* (C) 2023 by Harald Welte <laforge@osmocom.org>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <stdio.h>
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#include <errno.h>
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#include <sys/uio.h>
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#include <getopt.h>
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#include <osmocom/core/byteswap.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/core/timer.h>
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#include <osmocom/core/gsmtap.h>
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#include <osmocom/core/gsmtap_util.h>
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static char *proc_name = "gsmtap-logsend";
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static char *subsys_name = "unknown";
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static char *dest_host = "localhost";
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static int dest_port = GSMTAP_UDP_PORT;
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static void help(void)
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{
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printf("osmo-gsmtap-logsend Usage:\n"
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"\t[ -r DESTADDR ] [ -p PORTNR ] [ -n PROC_NAME ] [ -s SUBSYS ] [ INFILE ]\n"
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"\n"
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" -a --remote-address HOSTNAME Destination IP destination address (default: localhost)\n"
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" -p --remote-port PORTNR Destination UDP Port number (default: 4729)\n"
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" -n --process-name PROC_NAME Process name to include in GSMTAP LOG header\n"
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" -s --subsys-name SUBSYS Subsystem name to include in GSMTAP LOG header\n"
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" -h --help This help message\n"
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);
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}
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int main(int argc, char **argv)
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{
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char buf[1024];
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int gsmtap_fd;
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FILE *infile;
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char *line;
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int rc;
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while (1) {
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static const struct option long_options[] = {
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{ "remote-address", 1, 0, 'a' },
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{ "remote-port", 1, 0, 'p' },
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{ "process-name", 1, 0, 'n' },
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{ "subsys-name", 1, 0, 's' },
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{ "help", 0, 0, 'h' },
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{ 0, 0, 0, 0 }
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};
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int c, option_index;
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c = getopt_long(argc, argv, "a:p:n:s:h", long_options, &option_index);
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if (c == -1)
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break;
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switch (c) {
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case 'a':
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dest_host = optarg;
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break;
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case 'p':
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dest_port = atoi(optarg);
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break;
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case 'n':
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proc_name = optarg;
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break;
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case 's':
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subsys_name = optarg;
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break;
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case 'h':
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help();
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exit(0);
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break;
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default:
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help();
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exit(1);
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}
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}
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if (argc <= optind) {
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infile = stdin;
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} else {
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infile = fopen(argv[optind], "r");
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if (!infile) {
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fprintf(stderr, "Unable to open %s: %s\n", argv[optind], strerror(errno));
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exit(2);
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}
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}
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gsmtap_fd = gsmtap_source_init_fd(dest_host, dest_port);
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if (gsmtap_fd < 0) {
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fprintf(stderr, "Unable to create GSMTAP soicket: %s\n", strerror(errno));
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exit(2);
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}
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/* prepare all the data structures that don't change for each line */
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struct {
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struct gsmtap_hdr gsmtap;
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struct gsmtap_osmocore_log_hdr log;
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} __attribute__ ((packed)) hdr;
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struct timeval tv;
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memset(&hdr, 0, sizeof(hdr));
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hdr.gsmtap.version = GSMTAP_VERSION;
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hdr.gsmtap.hdr_len = sizeof(hdr.gsmtap)/4;
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hdr.gsmtap.type = GSMTAP_TYPE_OSMOCORE_LOG;
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OSMO_STRLCPY_ARRAY(hdr.log.proc_name, proc_name);
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OSMO_STRLCPY_ARRAY(hdr.log.subsys, subsys_name);
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hdr.log.level = LOGL_INFO;
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while ((line = fgets(buf, sizeof(buf), infile))) {
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struct iovec iov[2] = {
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{ .iov_base = &hdr, .iov_len = sizeof(hdr) },
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{ .iov_base = buf, .iov_len = strlen(line) + 1 },
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};
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osmo_gettimeofday(&tv, NULL);
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hdr.log.ts.sec = osmo_htonl(tv.tv_sec);
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hdr.log.ts.usec = osmo_htonl(tv.tv_usec);
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rc = writev(gsmtap_fd, iov, ARRAY_SIZE(iov));
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if (rc <= 0) {
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fprintf(stderr, "Short write on GSMTAP socket: %d (%s)\n", rc, strerror(errno));
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exit(1);
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}
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}
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}
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