aboutsummaryrefslogtreecommitdiffstats
path: root/openbsc/src/gprs/gtphub_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'openbsc/src/gprs/gtphub_main.c')
-rw-r--r--openbsc/src/gprs/gtphub_main.c359
1 files changed, 0 insertions, 359 deletions
diff --git a/openbsc/src/gprs/gtphub_main.c b/openbsc/src/gprs/gtphub_main.c
deleted file mode 100644
index 2b87d19ef..000000000
--- a/openbsc/src/gprs/gtphub_main.c
+++ /dev/null
@@ -1,359 +0,0 @@
-/* GTP Hub main program */
-
-/* (C) 2015 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
- * All Rights Reserved
- *
- * Author: Neels Hofmeyr
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 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 Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <unistd.h>
-#include <signal.h>
-#include <string.h>
-#include <errno.h>
-#include <inttypes.h>
-#include <sys/stat.h>
-
-#define _GNU_SOURCE
-#include <getopt.h>
-
-#include <osmocom/core/signal.h>
-#include <osmocom/core/application.h>
-#include <osmocom/core/logging.h>
-#include <osmocom/core/utils.h>
-#include <osmocom/core/rate_ctr.h>
-
-#include <osmocom/vty/logging.h>
-#include <osmocom/vty/telnet_interface.h>
-#include <osmocom/vty/ports.h>
-
-#include <openbsc/debug.h>
-#include <openbsc/gtphub.h>
-#include <openbsc/vty.h>
-
-#include "../../bscconfig.h"
-
-extern void *osmo_gtphub_ctx;
-
-
-const char *gtphub_copyright =
- "Copyright (C) 2015 sysmocom s.f.m.c GmbH <info@sysmocom.de>\r\n"
- "License AGPLv3+: GNU AGPL version 2 or later <http://gnu.org/licenses/agpl-3.0.html>\r\n"
- "This is free software: you are free to change and redistribute it.\r\n"
- "There is NO WARRANTY, to the extent permitted by law.\r\n";
-
-static struct log_info_cat gtphub_categories[] = {
- [DGTPHUB] = {
- .name = "DGTPHUB",
- .description = "GTP Hub",
- .color = "\033[1;33m",
- .enabled = 1,
- .loglevel = LOGL_INFO,
- },
-};
-
-int gtphub_log_filter_fn(const struct log_context *ctx,
- struct log_target *tar)
-{
- return 0;
-}
-
-static const struct log_info gtphub_log_info = {
- .filter_fn = gtphub_log_filter_fn,
- .cat = gtphub_categories,
- .num_cat = ARRAY_SIZE(gtphub_categories),
-};
-
-void log_cfg(struct gtphub_cfg *cfg)
-{
- int side_idx, plane_idx;
- for_each_side_and_plane(side_idx, plane_idx) {
- struct gtphub_cfg_addr *a;
- a = &cfg->to_gsns[side_idx][plane_idx].bind;
- LOGP(DGTPHUB, LOGL_NOTICE,
- "to-%ss bind, %s: %s port %d\n",
- gtphub_side_idx_names[side_idx],
- gtphub_plane_idx_names[plane_idx],
- a->addr_str, a->port);
- }
-}
-
-static void signal_handler(int signal)
-{
- fprintf(stdout, "signal %d received\n", signal);
-
- switch (signal) {
- case SIGINT:
- case SIGTERM:
- osmo_signal_dispatch(SS_L_GLOBAL, S_L_GLOBAL_SHUTDOWN, NULL);
- sleep(1);
- exit(0);
- break;
- case SIGABRT:
- /* in case of abort, we want to obtain a talloc report
- * and then return to the caller, who will abort the process */
- case SIGUSR1:
- case SIGUSR2:
- talloc_report_full(osmo_gtphub_ctx, stderr);
- break;
- default:
- break;
- }
-}
-
-extern int bsc_vty_go_parent(struct vty *vty);
-
-static struct vty_app_info vty_info = {
- .name = "OsmoGTPhub",
- .version = PACKAGE_VERSION,
- .go_parent_cb = bsc_vty_go_parent,
- .is_config_node = bsc_vty_is_config_node,
-};
-
-struct cmdline_cfg {
- const char *config_file;
- const char *restart_counter_file;
- int daemonize;
-};
-
-static uint8_t next_restart_count(const char *path)
-{
- int umask_was = umask(022);
-
- uint8_t counter = 0;
-
- FILE *f = fopen(path, "r");
- if (f) {
- int rc = fscanf(f, "%hhu", &counter);
-
- if (rc != 1)
- goto failed_to_read;
-
- char c;
- while (fread(&c, 1, 1, f) > 0) {
- switch (c) {
- case ' ':
- case '\t':
- case '\n':
- case '\r':
- break;
- default:
- goto failed_to_read;
- }
- }
- fclose(f);
- }
-
- counter ++;
-
- f = fopen(path, "w");
- if (!f)
- goto failed_to_write;
- if (fprintf(f, "%" PRIu8 "\n", counter) < 2)
- goto failed_to_write;
- if (fclose(f)) {
- f = NULL;
- goto failed_to_write;
- }
-
- umask(umask_was);
-
- LOGP(DGTPHUB, LOGL_NOTICE, "Restarted with counter %hhu\n", counter);
- return counter;
-
-failed_to_read:
- fclose(f);
- umask(umask_was);
- LOGP(DGTPHUB, LOGL_FATAL, "Restart counter file cannot be parsed:"
- " %s\n", path);
- exit(1);
-
-failed_to_write:
- if (f)
- fclose(f);
- umask(umask_was);
- LOGP(DGTPHUB, LOGL_FATAL, "Restart counter file cannot be written:"
- " %s\n", path);
- exit(1);
-}
-
-static void print_help(struct cmdline_cfg *ccfg)
-{
- printf("gtphub commandline options\n");
- printf(" -h,--help This text.\n");
- printf(" -D,--daemonize Fork the process into a background daemon.\n");
- printf(" -d,--debug <cat> Enable Debugging for this category.\n");
- printf(" Pass '-d list' to get a category listing.\n");
- printf(" -s,--disable-color\n");
- printf(" -c,--config-file <path> The config file to use [%s].\n",
- ccfg->config_file);
- printf(" -e,--log-level <nr> Set a global log level.\n");
- printf(" -r,--restart-file <path> File for counting restarts [%s].\n",
- ccfg->restart_counter_file);
-}
-
-static void list_categories(void)
-{
- printf("Avaliable debug categories:\n");
- int i;
- for (i = 0; i < gtphub_log_info.num_cat; ++i) {
- if (!gtphub_log_info.cat[i].name)
- continue;
-
- printf("%s\n", gtphub_log_info.cat[i].name);
- }
-}
-
-static void handle_options(struct cmdline_cfg *ccfg, int argc, char **argv)
-{
- while (1) {
- int option_index = 0, c;
- static 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'},
- {"log-level", 1, 0, 'e'},
- {"restart-file", 1, 0, 'r'},
- {NULL, 0, 0, 0}
- };
-
- c = getopt_long(argc, argv, "hd:Dc:sTe:r:",
- long_options, &option_index);
- if (c == -1) {
- if (optind < argc) {
- LOGP(DGTPHUB, LOGL_FATAL,
- "Excess commandline arguments ('%s').\n",
- argv[optind]);
- exit(2);
- }
- break;
- }
-
- switch (c) {
- case 'h':
- //print_usage();
- print_help(ccfg);
- exit(0);
- case 's':
- log_set_use_color(osmo_stderr_target, 0);
- break;
- case 'd':
- if (strcmp("list", optarg) == 0) {
- list_categories();
- exit(0);
- } else
- log_parse_category_mask(osmo_stderr_target, optarg);
- break;
- case 'D':
- ccfg->daemonize = 1;
- break;
- case 'c':
- ccfg->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 'r':
- ccfg->restart_counter_file = optarg;
- break;
- default:
- LOGP(DGTPHUB, LOGL_FATAL, "Invalid command line argument, abort.\n");
- exit(1);
- break;
- }
- }
-}
-
-int main(int argc, char **argv)
-{
- int rc;
-
- struct cmdline_cfg _ccfg;
- struct cmdline_cfg *ccfg = &_ccfg;
- memset(ccfg, '\0', sizeof(*ccfg));
- ccfg->config_file = "./gtphub.conf";
- ccfg->restart_counter_file = "./gtphub_restart_count";
-
- struct gtphub_cfg _cfg;
- struct gtphub_cfg *cfg = &_cfg;
- memset(cfg, '\0', sizeof(*cfg));
-
- struct gtphub _hub;
- struct gtphub *hub = &_hub;
-
- osmo_gtphub_ctx = talloc_named_const(NULL, 0, "osmo_gtphub");
- msgb_talloc_ctx_init(osmo_gtphub_ctx, 0);
-
- signal(SIGINT, &signal_handler);
- signal(SIGTERM, &signal_handler);
- signal(SIGABRT, &signal_handler);
- signal(SIGUSR1, &signal_handler);
- signal(SIGUSR2, &signal_handler);
- osmo_init_ignore_signals();
-
- osmo_init_logging(&gtphub_log_info);
-
- vty_info.copyright = gtphub_copyright;
- vty_init(&vty_info);
- logging_vty_add_cmds(NULL);
- gtphub_vty_init(hub, cfg);
-
- rate_ctr_init(osmo_gtphub_ctx);
-
- handle_options(ccfg, argc, argv);
-
- rc = gtphub_cfg_read(cfg, ccfg->config_file);
- if (rc < 0) {
- LOGP(DGTPHUB, LOGL_FATAL, "Cannot parse config file '%s'\n",
- ccfg->config_file);
- exit(2);
- }
-
- /* start telnet after reading config for vty_get_bind_addr() */
- rc = telnet_init_dynif(osmo_gtphub_ctx, 0, vty_get_bind_addr(),
- OSMO_VTY_PORT_GTPHUB);
- if (rc < 0)
- exit(1);
-
- if (gtphub_start(hub, cfg,
- next_restart_count(ccfg->restart_counter_file))
- != 0)
- return -1;
-
- log_cfg(cfg);
-
- if (ccfg->daemonize) {
- rc = osmo_daemonize();
- if (rc < 0) {
- LOGP(DGTPHUB, LOGL_FATAL, "Error during daemonize");
- exit(1);
- }
- }
-
- while (1) {
- rc = osmo_select_main(0);
- if (rc < 0)
- exit(3);
- }
-
- /* not reached */
- exit(0);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-18 23:52:22 +0000