2019-01-31 08:06:53 +00:00
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/* Test implementation for VTY transcript testing. */
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/*
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* (C) 2019 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
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*
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* All Rights Reserved
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*
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* SPDX-License-Identifier: GPL-2.0+
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*
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* Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
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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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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#define _GNU_SOURCE
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#include <getopt.h>
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#include <signal.h>
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#include <limits.h>
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#include <string.h>
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#include <osmocom/core/application.h>
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#include <osmocom/vty/command.h>
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#include <osmocom/vty/misc.h>
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#include <osmocom/vty/telnet_interface.h>
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#include <stdlib.h>
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#include "config.h"
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void *root_ctx = NULL;
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static void print_help()
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{
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printf( "options:\n"
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" -h --help this text\n"
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" -d --debug MASK Enable debugging (e.g. -d DRSL:DOML:DLAPDM)\n"
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" -D --daemonize For the process into a background daemon\n"
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" -c --config-file Specify the filename of the config file\n"
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" -s --disable-color Don't use colors in stderr log output\n"
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" -T --timestamp Prefix every log line with a timestamp\n"
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" -V --version Print version information and exit\n"
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" -e --log-level Set a global log-level\n"
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);
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}
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static struct {
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const char *config_file;
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int daemonize;
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} cmdline_config = {};
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static void handle_options(int argc, char **argv)
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{
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while (1) {
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int option_idx = 0, c;
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static const struct option long_options[] = {
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{ "help", 0, 0, 'h' },
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{ "debug", 1, 0, 'd' },
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{ "daemonize", 0, 0, 'D' },
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{ "config-file", 1, 0, 'c' },
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{ "disable-color", 0, 0, 's' },
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{ "timestamp", 0, 0, 'T' },
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{ "version", 0, 0, 'V' },
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{ "log-level", 1, 0, 'e' },
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{}
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};
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c = getopt_long(argc, argv, "hc:d:Dc:sTVe:",
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long_options, &option_idx);
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if (c == -1)
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break;
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switch (c) {
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case 'h':
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print_help();
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exit(0);
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case 's':
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log_set_use_color(osmo_stderr_target, 0);
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break;
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case 'd':
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log_parse_category_mask(osmo_stderr_target, optarg);
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break;
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case 'D':
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cmdline_config.daemonize = 1;
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break;
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case 'c':
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cmdline_config.config_file = optarg;
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break;
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case 'T':
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log_set_print_timestamp(osmo_stderr_target, 1);
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break;
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case 'e':
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log_set_log_level(osmo_stderr_target, atoi(optarg));
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break;
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case 'V':
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print_version(1);
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exit(0);
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break;
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default:
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/* catch unknown options *as well as* missing arguments. */
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fprintf(stderr, "Error in command line options. Exiting.\n");
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exit(-1);
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}
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}
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}
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static int quit = 0;
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static void signal_handler(int signal)
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{
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fprintf(stdout, "signal %u received\n", signal);
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switch (signal) {
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case SIGINT:
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case SIGTERM:
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quit++;
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break;
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case SIGABRT:
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osmo_generate_backtrace();
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/* in case of abort, we want to obtain a talloc report
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* and then return to the caller, who will abort the process */
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case SIGUSR1:
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talloc_report(tall_vty_ctx, stderr);
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talloc_report_full(root_ctx, stderr);
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break;
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case SIGUSR2:
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talloc_report_full(tall_vty_ctx, stderr);
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break;
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default:
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break;
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}
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}
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static struct vty_app_info vty_info = {
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.name = "vty_transcript_test",
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.version = PACKAGE_VERSION,
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};
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static const struct log_info_cat default_categories[] = {};
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const struct log_info log_info = {
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.cat = default_categories,
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.num_cat = ARRAY_SIZE(default_categories),
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};
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DEFUN(multi0, multi0_cmd,
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"multi0 (one|two|three)",
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"multi0 test command\n" "1\n2\n3\n")
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{
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vty_out(vty, "ok argc=%d%s%s%s", argc, argc ? " " : "", argc ? argv[0] : "", VTY_NEWLINE);
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return CMD_SUCCESS;
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}
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DEFUN(multi1, multi1_cmd,
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"multi1 ([one]|[two]|[three])",
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"multi1 test command\n" "1\n2\n3\n")
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{
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vty_out(vty, "ok argc=%d%s%s%s", argc, argc ? " " : "", argc ? argv[0] : "", VTY_NEWLINE);
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return CMD_SUCCESS;
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}
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2019-01-31 07:13:31 +00:00
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DEFUN(multi2, multi2_cmd,
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"multi2 [(one|two|three)]",
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"multi2 test command\n" "1\n2\n3\n")
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{
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vty_out(vty, "ok argc=%d%s%s%s", argc, argc ? " " : "", argc ? argv[0] : "", VTY_NEWLINE);
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return CMD_SUCCESS;
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}
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2019-01-31 08:06:53 +00:00
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static void init_vty_cmds()
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{
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install_element_ve(&multi0_cmd);
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install_element_ve(&multi1_cmd);
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2019-01-31 07:13:31 +00:00
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install_element_ve(&multi2_cmd);
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2019-01-31 08:06:53 +00:00
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}
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int main(int argc, char **argv)
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{
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int rc;
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root_ctx = talloc_named_const(NULL, 0, "vty_transcript_test");
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vty_info.tall_ctx = root_ctx;
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vty_init(&vty_info);
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osmo_talloc_vty_add_cmds();
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init_vty_cmds();
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osmo_init_logging2(root_ctx, &log_info);
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handle_options(argc, argv);
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if (cmdline_config.config_file) {
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rc = vty_read_config_file(cmdline_config.config_file, NULL);
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if (rc < 0) {
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fprintf(stderr, "Failed to parse the config file: '%s'\n", cmdline_config.config_file);
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return 1;
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}
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}
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rc = telnet_init_dynif(root_ctx, NULL, vty_get_bind_addr(), 42042);
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if (rc < 0)
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return 2;
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signal(SIGINT, &signal_handler);
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signal(SIGTERM, &signal_handler);
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signal(SIGABRT, &signal_handler);
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signal(SIGUSR1, &signal_handler);
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signal(SIGUSR2, &signal_handler);
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osmo_init_ignore_signals();
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if (cmdline_config.daemonize) {
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rc = osmo_daemonize();
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if (rc < 0) {
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perror("Error during daemonize");
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return 6;
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}
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}
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while (!quit) {
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log_reset_context();
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osmo_select_main(0);
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}
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talloc_free(root_ctx);
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talloc_free(tall_vty_ctx);
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return 0;
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}
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