mirror of https://gerrit.osmocom.org/osmo-pcap
osmo_pcap_client: Start with the framework for the pcap client
This is just the normal skeleton for the osmocom code.
This commit is contained in:
parent
430366a2c5
commit
530ecc0879
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@ -17,8 +17,13 @@ install-sh
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missing
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stamp-h1
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osmopcapconfig.h*
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# git-version-gen magic
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.tarball-version
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.version
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# apps
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src/osmo_pcap_client
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@ -50,6 +50,7 @@ if test "$enable_coverage" = "yes"; then
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AC_SUBST([COVERAGE_LDFLAGS])
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fi
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AM_CONFIG_HEADER(osmopcapconfig.h)
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dnl Generate the output
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AC_OUTPUT(
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@ -1 +1 @@
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noinst_HEADERS =
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noinst_HEADERS = common.h
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@ -0,0 +1,50 @@
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/*
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* osmo-pcap common
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*
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* (C) 2011 by Holger Hans Peter Freyther <zecke@selfish.org>
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* (C) 2011 by On-Waves
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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 Affero General Public License as published by
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* the Free Software Foundation; either version 3 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef OSMO_PCAP_COMMON_H
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#define OSMO_PCAP_COMMON_H
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#include <osmocom/core/logging.h>
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#include <osmocom/vty/vty.h>
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#include <osmocom/vty/buffer.h>
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#include <osmocom/vty/command.h>
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enum {
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DPCAP,
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DCLIENT,
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DSERVER,
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DVTY,
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Debug_LastEntry,
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};
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enum {
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CLIENT_NODE = _LAST_OSMOVTY_NODE + 1,
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SERVER_NODE,
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};
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extern const struct log_info log_info;
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extern const char *osmopcap_copyright;
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extern enum node_type osmopcap_go_parent(struct vty *vty);
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extern int osmopcap_is_config_node(struct vty *vty, int node);
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#endif
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@ -0,0 +1,34 @@
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/*
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* osmo-pcap-client code
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*
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* (C) 2011 by Holger Hans Peter Freyther <zecke@selfish.org>
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* (C) 2011 by On-Waves
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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 Affero General Public License as published by
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* the Free Software Foundation; either version 3 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <pcap.h>
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struct osmo_pcap_client {
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char *device;
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pcap_t *handle;
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struct bpf_program *bpf;
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char *filter_string;
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};
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int vty_client_init();
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@ -1,8 +1,8 @@
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INCLUDES = $(all_includes) -I$(top_srcdir)/include
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INCLUDES = $(all_includes) -I$(top_srcdir)/include -I$(top_builddir)/
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AM_CFLAGS = -Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOVTY_CFLAGS) $(PCAP_CFLAGS)
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AM_LDFLAGS = $(LIBOSMOCORE_LIBS) $(LIBOSMOVTY_LIBS)
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bin_PROGRAMS = osmo_pcap_client
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osmo_pcap_client_SOURCES = osmo_client_main.c
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osmo_pcap_client_SOURCES = osmo_client_main.c osmo_common.c
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osmo_pcap_client_LDADD = $(PCAP_LIBS)
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@ -20,10 +20,174 @@
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*
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*/
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#include <osmo-pcap/common.h>
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#include <osmocom/core/application.h>
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#include <osmocom/core/process.h>
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#include <osmocom/core/rate_ctr.h>
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#include <osmocom/core/select.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/vty/logging.h>
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#include <osmocom/vty/telnet_interface.h>
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#include <pcap.h>
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#include <signal.h>
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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#define _GNU_SOURCE
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#include <getopt.h>
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#include "osmopcapconfig.h"
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static const char *config_file = "osmo-pcap-client.cfg";
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static int daemonize = 0;
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void *tall_bsc_ctx;
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extern void *tall_msgb_ctx;
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extern void *tall_ctr_ctx;
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static struct vty_app_info vty_info = {
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.name = "OsmoPCAPClient",
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.version = PACKAGE_VERSION,
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.go_parent_cb = osmopcap_go_parent,
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.is_config_node = osmopcap_is_config_node,
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};
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static void print_usage()
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{
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printf("Usage: osmo_pcap_client\n");
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}
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static void print_help()
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{
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printf(" Some useful help...\n");
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printf(" -h --help this text\n");
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printf(" -D --daemonize Fork the process into a background daemon\n");
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printf(" -d option --debug=DRLL:DCC:DMM:DRR:DRSL:DNM enable debugging\n");
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printf(" -s --disable-color\n");
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printf(" -T --timestamp. Print a timestamp in the debug output.\n");
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printf(" -e --log-level number. Set a global loglevel.\n");
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printf(" -c --config-file filename The config file to use.\n");
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}
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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_index = 0, c;
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static struct option long_options[] = {
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{"help", 0, 0, 'h'},
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{"daemonize", 0, 0, 'D'},
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{"debug", 1, 0, 'd'},
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{"disable-color", 0, 0, 's'},
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{"timestamp", 0, 0, 'T'},
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{"log-level", 1, 0, 'e'},
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{"config-file", 1, 0, 'c'},
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{0, 0, 0, 0}
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};
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c = getopt_long(argc, argv, "hd:DsTc:e:",
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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 'h':
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print_usage();
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print_help();
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exit(0);
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case 'D':
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daemonize = 1;
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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 's':
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log_set_use_color(osmo_stderr_target, 0);
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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 'c':
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config_file = strdup(optarg);
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break;
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default:
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/* ignore */
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break;
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}
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}
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}
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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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exit(0);
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break;
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case SIGABRT:
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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(tall_bsc_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 void talloc_init_ctx()
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{
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tall_bsc_ctx = talloc_named_const(NULL, 0, "nat");
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tall_msgb_ctx = talloc_named_const(tall_bsc_ctx, 0, "msgb");
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tall_ctr_ctx = talloc_named_const(tall_bsc_ctx, 0, "counter");
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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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talloc_init_ctx();
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osmo_init_logging(&log_info);
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vty_info.copyright = osmopcap_copyright;
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vty_init(&vty_info);
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logging_vty_add_cmds(&log_info);
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/* parse options */
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handle_options(argc, argv);
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rate_ctr_init(tall_bsc_ctx);
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/* seed the PRNG */
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srand(time(NULL));
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signal(SIGINT, &signal_handler);
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signal(SIGABRT, &signal_handler);
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signal(SIGUSR1, &signal_handler);
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osmo_init_ignore_signals();
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telnet_init(tall_bsc_ctx, NULL, 4240);
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if (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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exit(1);
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}
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}
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while (1) {
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osmo_select_main(0);
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}
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return(0);
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}
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@ -0,0 +1,23 @@
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/*
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* osmo-pcap-client code
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*
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* (C) 2011 by Holger Hans Peter Freyther <zecke@selfish.org>
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* (C) 2011 by On-Waves
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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 Affero General Public License as published by
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* the Free Software Foundation; either version 3 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <osmo-pcap/osmo_pcap_client.h>
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@ -0,0 +1,90 @@
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/*
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* osmo-pcap common code
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*
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* (C) 2011 by Holger Hans Peter Freyther <zecke@selfish.org>
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* (C) 2011 by On-Waves
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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 Affero General Public License as published by
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* the Free Software Foundation; either version 3 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <osmo-pcap/common.h>
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#include <osmocom/core/utils.h>
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static const struct log_info_cat default_categories[] = {
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[DPCAP] = {
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.name = "DPCAP",
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.description = "PCAP related functionality",
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.color = "\033[1;31m",
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.enabled = 1, .loglevel = LOGL_NOTICE,
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},
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[DCLIENT] = {
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.name = "DCLIENT",
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.description = "Client related functionality",
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.color = "\033[1;32m",
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.enabled = 1, .loglevel = LOGL_NOTICE,
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},
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[DSERVER] = {
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.name = "DSERVER",
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.description = "Server related functionality",
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.color = "\033[1;33m",
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.enabled = 1, .loglevel = LOGL_NOTICE,
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},
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[DVTY] = {
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.name = "DVTY",
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.description = "VTY code",
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.color = "\033[1;34m",
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.enabled = 1, .loglevel = LOGL_NOTICE,
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},
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};
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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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const char *osmopcap_copyright =
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"Copyright (C) 2011 Holger Freyther\r\n"
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"License AGPLv3+: GNU AGPL version 3 or later <http://gnu.org/licenses/agpl-3.0.html>\r\n"
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"This is free software: you are free to change and redistribute it.\r\n"
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"There is NO WARRANTY, to the extent permitted by law.\r\n";
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enum node_type osmopcap_go_parent(struct vty *vty)
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{
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switch (vty->node) {
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case CLIENT_NODE:
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case SERVER_NODE:
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vty->node = CONFIG_NODE;
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vty->index = NULL;
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break;
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default:
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LOGP(DVTY, LOGL_ERROR, "Unhandled node %d\n", vty->node);
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break;
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}
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return vty->node;
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}
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int osmopcap_is_config_node(struct vty *vty, int node)
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{
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switch (node) {
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case CONFIG_NODE:
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return 0;
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default:
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return 1;
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}
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}
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Reference in New Issue