diff options
Diffstat (limited to 'src/osmo_server_main.c')
| -rw-r--r-- | src/osmo_server_main.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/src/osmo_server_main.c b/src/osmo_server_main.c new file mode 100644 index 0000000..04c84a0 --- /dev/null +++ b/src/osmo_server_main.c @@ -0,0 +1,215 @@ +/* + * osmo-pcap-server code + * + * (C) 2011 by Holger Hans Peter Freyther <zecke@selfish.org> + * (C) 2011 by On-Waves + * All Rights Reserved + * + * 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 <osmo-pcap/common.h> +#include <osmo-pcap/osmo_pcap_server.h> + +#include <osmocom/core/application.h> +#include <osmocom/core/process.h> +#include <osmocom/core/rate_ctr.h> +#include <osmocom/core/select.h> +#include <osmocom/core/talloc.h> + +#include <osmocom/vty/logging.h> +#include <osmocom/vty/telnet_interface.h> + +#include <pcap.h> +#include <signal.h> +#include <stdio.h> +#include <string.h> +#include <time.h> + +#define _GNU_SOURCE +#include <getopt.h> + +#include "osmopcapconfig.h" + +static const char *config_file = "osmo-pcap-server.cfg"; +static int daemonize = 0; + +void *tall_bsc_ctx; +struct osmo_pcap_server *pcap_server; +extern void *tall_msgb_ctx; +extern void *tall_ctr_ctx; + +static struct vty_app_info vty_info = { + .name = "OsmoPCAPServer", + .version = PACKAGE_VERSION, + .go_parent_cb = osmopcap_go_parent, + .is_config_node = osmopcap_is_config_node, +}; + +static void print_usage() +{ + printf("Usage: osmo_pcap_server\n"); +} + +static void print_help() +{ + printf(" Some useful help...\n"); + printf(" -h --help this text\n"); + printf(" -D --daemonize Fork the process into a background daemon\n"); + printf(" -d option --debug=DRLL:DCC:DMM:DRR:DRSL:DNM enable debugging\n"); + printf(" -s --disable-color\n"); + printf(" -T --timestamp. Print a timestamp in the debug output.\n"); + printf(" -e --log-level number. Set a global loglevel.\n"); + printf(" -c --config-file filename The config file to use.\n"); +} + +static void handle_options(int argc, char **argv) +{ + while (1) { + int option_index = 0, c; + static struct option long_options[] = { + {"help", 0, 0, 'h'}, + {"daemonize", 0, 0, 'D'}, + {"debug", 1, 0, 'd'}, + {"disable-color", 0, 0, 's'}, + {"timestamp", 0, 0, 'T'}, + {"log-level", 1, 0, 'e'}, + {"config-file", 1, 0, 'c'}, + {0, 0, 0, 0} + }; + + c = getopt_long(argc, argv, "hd:DsTc:e:", + long_options, &option_index); + if (c == -1) + break; + + switch (c) { + case 'h': + print_usage(); + print_help(); + exit(0); + case 'D': + daemonize = 1; + break; + case 'd': + log_parse_category_mask(osmo_stderr_target, optarg); + break; + case 's': + log_set_use_color(osmo_stderr_target, 0); + 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 'c': + config_file = strdup(optarg); + break; + default: + /* ignore */ + break; + } + } +} + +static void signal_handler(int signal) +{ + fprintf(stdout, "signal %u received\n", signal); + + switch (signal) { + case SIGINT: + 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: + talloc_report(tall_vty_ctx, stderr); + talloc_report_full(tall_bsc_ctx, stderr); + break; + default: + break; + } +} + +static void talloc_init_ctx() +{ + tall_bsc_ctx = talloc_named_const(NULL, 0, "server"); + tall_msgb_ctx = talloc_named_const(tall_bsc_ctx, 0, "msgb"); + tall_ctr_ctx = talloc_named_const(tall_bsc_ctx, 0, "counter"); +} + +int main(int argc, char **argv) +{ + int rc; + + talloc_init_ctx(); + osmo_init_logging(&log_info); + + vty_info.copyright = osmopcap_copyright; + vty_init(&vty_info); + logging_vty_add_cmds(&log_info); + + /* parse options */ + handle_options(argc, argv); + + rate_ctr_init(tall_bsc_ctx); + + /* seed the PRNG */ + srand(time(NULL)); + + + signal(SIGINT, &signal_handler); + signal(SIGABRT, &signal_handler); + signal(SIGUSR1, &signal_handler); + osmo_init_ignore_signals(); + + telnet_init(tall_bsc_ctx, NULL, 4241); + + pcap_server = talloc_zero(tall_bsc_ctx, struct osmo_pcap_server); + if (!pcap_server) { + LOGP(DSERVER, LOGL_ERROR, "Failed to allocate osmo_pcap_server.\n"); + exit(1); + } + vty_server_init(pcap_server); + + if (vty_read_config_file(config_file, NULL) < 0) { + LOGP(DSERVER, LOGL_ERROR, + "Failed to parse the config file: %s\n", config_file); + exit(1); + } + + /* attempt to connect to the remote */ + if (osmo_pcap_server_listen(pcap_server) != 0) { + LOGP(DSERVER, LOGL_ERROR, + "Failed to listen for incoming data\n"); + exit(1); + } + + if (daemonize) { + rc = osmo_daemonize(); + if (rc < 0) { + perror("Error during daemonize"); + exit(1); + } + } + + while (1) { + osmo_select_main(0); + } + + return(0); +} |