| /* test program with a vty interface to test logging behavior */ |
| /* |
| * (C) 2018 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de> |
| * All Rights Reserved |
| * |
| * Author: Neels Hofmeyr <neels@hofmeyr.de> |
| * |
| * 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. |
| * |
| */ |
| |
| #define _GNU_SOURCE |
| #include <getopt.h> |
| |
| #include <signal.h> |
| |
| #include <osmocom/core/logging.h> |
| #include <osmocom/core/utils.h> |
| #include <osmocom/core/application.h> |
| |
| #include <osmocom/vty/command.h> |
| #include <osmocom/vty/logging.h> |
| #include <osmocom/vty/misc.h> |
| #include <osmocom/vty/telnet_interface.h> |
| |
| #include <stdlib.h> |
| |
| #include "config.h" |
| |
| void *root_ctx = NULL; |
| |
| enum { |
| DAA, |
| DBB, |
| DCCC, |
| DDDDD, |
| DEEE, |
| }; |
| |
| DEFUN(log_sweep, log_sweep_cmd, |
| "log-sweep [CATEGORY]", |
| "Log once for all categories on all levels\n") |
| { |
| int only_category = argc ? log_parse_category(argv[0]) : -1; |
| |
| if (argc && only_category < 0) { |
| vty_out(vty, "%% Error: unknown category: %s%s", argv[0], VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| #define LOG_LEVEL(CAT, LEVEL) \ |
| if (only_category < 0 || only_category == CAT) \ |
| LOGP(CAT, LEVEL, "Log message for " #CAT " on level " #LEVEL "\n") |
| |
| #define LOG_ALL_LEVELS(CAT) \ |
| LOG_LEVEL(CAT, LOGL_DEBUG); \ |
| LOG_LEVEL(CAT, LOGL_INFO); \ |
| LOG_LEVEL(CAT, LOGL_NOTICE); \ |
| LOG_LEVEL(CAT, LOGL_ERROR); \ |
| LOG_LEVEL(CAT, LOGL_FATAL) |
| |
| LOG_ALL_LEVELS(DAA); |
| LOG_ALL_LEVELS(DBB); |
| LOG_ALL_LEVELS(DCCC); |
| LOG_ALL_LEVELS(DDDDD); |
| LOG_ALL_LEVELS(DEEE); |
| |
| vty_out(vty, "%s", VTY_NEWLINE); |
| |
| return CMD_SUCCESS; |
| } |
| |
| static void vty_commands_init(void) |
| { |
| install_element_ve(&log_sweep_cmd); |
| } |
| |
| static const struct log_info_cat default_categories[] = { |
| [DAA] = { |
| .name = "DAA", |
| .description = "Antropomorphic Armadillos (AA)", |
| .color = "\033[1;31m", |
| .enabled = 1, .loglevel = LOGL_DEBUG, |
| }, |
| [DBB] = { |
| .name = "DBB", |
| .description = "Bidirectional Breadspread (BB)", |
| .color = "\033[1;32m", |
| .enabled = 1, .loglevel = LOGL_INFO, |
| }, |
| [DCCC] = { |
| .name = "DCCC", |
| .description = "Chaos Communication Congress (CCC)", |
| .color = "\033[1;33m", |
| .enabled = 1, .loglevel = LOGL_NOTICE, |
| }, |
| [DDDDD] = { |
| .name = "DDDDD", |
| .description = "Dehydrated Dribbling Duck Dunkers (DDDD)", |
| .color = "\033[1;34m", |
| .enabled = 1, .loglevel = LOGL_ERROR, |
| }, |
| [DEEE] = { |
| .name = "DEEE", |
| .description = "Exhaustive Entropy Extraction (EEE)", |
| .color = "\033[1;35m", |
| .enabled = 1, .loglevel = LOGL_FATAL, |
| }, |
| }; |
| |
| const struct log_info log_info = { |
| .cat = default_categories, |
| .num_cat = ARRAY_SIZE(default_categories), |
| }; |
| |
| static void print_help(void) |
| { |
| printf( "options:\n" |
| " -h --help this text\n" |
| " -d --debug MASK Enable debugging (e.g. -d DRSL:DOML:DLAPDM)\n" |
| " -D --daemonize For the process into a background daemon\n" |
| " -c --config-file Specify the filename of the config file\n" |
| " -s --disable-color Don't use colors in stderr log output\n" |
| " -T --timestamp Prefix every log line with a timestamp\n" |
| " -V --version Print version information and exit\n" |
| " -e --log-level Set a global log-level\n" |
| ); |
| } |
| |
| static struct { |
| const char *config_file; |
| int daemonize; |
| } cmdline_config = {}; |
| |
| static void handle_options(int argc, char **argv) |
| { |
| while (1) { |
| int option_idx = 0, c; |
| static const struct option long_options[] = { |
| { "help", 0, 0, 'h' }, |
| { "debug", 1, 0, 'd' }, |
| { "daemonize", 0, 0, 'D' }, |
| { "config-file", 1, 0, 'c' }, |
| { "disable-color", 0, 0, 's' }, |
| { "timestamp", 0, 0, 'T' }, |
| { "version", 0, 0, 'V' }, |
| { "log-level", 1, 0, 'e' }, |
| {} |
| }; |
| |
| c = getopt_long(argc, argv, "hc:d:Dc:sTVe:", |
| long_options, &option_idx); |
| if (c == -1) |
| break; |
| |
| switch (c) { |
| case 'h': |
| print_help(); |
| exit(0); |
| case 's': |
| log_set_use_color(osmo_stderr_target, 0); |
| break; |
| case 'd': |
| log_parse_category_mask(osmo_stderr_target, optarg); |
| break; |
| case 'D': |
| cmdline_config.daemonize = 1; |
| break; |
| case 'c': |
| cmdline_config.config_file = optarg; |
| break; |
| case 'T': |
| log_set_print_timestamp(osmo_stderr_target, 1); |
| break; |
| case 'e': |
| log_set_log_level(osmo_stderr_target, atoi(optarg)); |
| break; |
| case 'V': |
| print_version(1); |
| exit(0); |
| break; |
| default: |
| /* catch unknown options *as well as* missing arguments. */ |
| fprintf(stderr, "Error in command line options. Exiting.\n"); |
| exit(-1); |
| } |
| } |
| } |
| |
| static int quit = 0; |
| |
| static void signal_handler(int signal) |
| { |
| fprintf(stdout, "signal %u received\n", signal); |
| |
| switch (signal) { |
| case SIGINT: |
| case SIGTERM: |
| quit++; |
| break; |
| case SIGABRT: |
| osmo_generate_backtrace(); |
| /* in case of abort, we want to obtain a talloc report |
| * and then return to the caller, who will abort the process */ |
| case SIGUSR1: |
| talloc_report(tall_vty_ctx, stderr); |
| talloc_report_full(root_ctx, stderr); |
| break; |
| case SIGUSR2: |
| talloc_report_full(tall_vty_ctx, stderr); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static struct vty_app_info vty_info = { |
| .name = "logging_vty_test", |
| .version = PACKAGE_VERSION, |
| }; |
| |
| int main(int argc, char **argv) |
| { |
| int rc; |
| |
| root_ctx = talloc_named_const(NULL, 0, "logging_vty_test"); |
| |
| vty_info.tall_ctx = root_ctx; |
| vty_init(&vty_info); |
| |
| osmo_init_logging2(root_ctx, &log_info); |
| log_enable_multithread(); |
| |
| vty_commands_init(); |
| |
| handle_options(argc, argv); |
| |
| logging_vty_add_cmds(); |
| osmo_talloc_vty_add_cmds(); |
| |
| log_set_print_category(osmo_stderr_target, 1); |
| log_set_print_category_hex(osmo_stderr_target, 0); |
| log_set_print_level(osmo_stderr_target, 1); |
| log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_NONE); |
| log_target_file_switch_to_wqueue(osmo_stderr_target); |
| |
| if (cmdline_config.config_file) { |
| rc = vty_read_config_file(cmdline_config.config_file, NULL); |
| if (rc < 0) { |
| LOGP(DLGLOBAL, LOGL_FATAL, "Failed to parse the config file: '%s'\n", |
| cmdline_config.config_file); |
| return 1; |
| } |
| } |
| |
| rc = telnet_init_default(root_ctx, NULL, 42042); |
| if (rc < 0) |
| return 2; |
| |
| signal(SIGINT, &signal_handler); |
| signal(SIGTERM, &signal_handler); |
| signal(SIGABRT, &signal_handler); |
| signal(SIGUSR1, &signal_handler); |
| signal(SIGUSR2, &signal_handler); |
| osmo_init_ignore_signals(); |
| |
| if (cmdline_config.daemonize) { |
| rc = osmo_daemonize(); |
| if (rc < 0) { |
| perror("Error during daemonize"); |
| return 6; |
| } |
| } |
| |
| while (!quit) { |
| log_reset_context(); |
| osmo_select_main(0); |
| } |
| |
| talloc_report(tall_vty_ctx, stderr); |
| talloc_report_full(root_ctx, stderr); |
| |
| log_fini(); |
| |
| return 0; |
| } |