From 530ecc0879572a7281655693a53cc17b6920b118 Mon Sep 17 00:00:00 2001
From: Holger Hans Peter Freyther <zecke@selfish.org>
Date: Tue, 31 May 2011 15:47:44 +0200
Subject: osmo_pcap_client: Start with the framework for the pcap client

This is just the normal skeleton for the osmocom code.
---
 src/osmo_client_main.c | 164 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 164 insertions(+)

(limited to 'src/osmo_client_main.c')

diff --git a/src/osmo_client_main.c b/src/osmo_client_main.c
index 4725f1a..f00530e 100644
--- a/src/osmo_client_main.c
+++ b/src/osmo_client_main.c
@@ -20,10 +20,174 @@
  *
  */
 
+#include <osmo-pcap/common.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-client.cfg";
+static int daemonize = 0;
+
+void *tall_bsc_ctx;
+extern void *tall_msgb_ctx;
+extern void *tall_ctr_ctx;
+
+static struct vty_app_info vty_info = {
+	.name		= "OsmoPCAPClient",
+	.version	= PACKAGE_VERSION,
+	.go_parent_cb	= osmopcap_go_parent,
+	.is_config_node	= osmopcap_is_config_node,
+};
+
+static void print_usage()
+{
+	printf("Usage: osmo_pcap_client\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, "nat");
+	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, 4240);
+
+	if (daemonize) {
+		rc = osmo_daemonize();
+		if (rc < 0) {
+			perror("Error during daemonize");
+			exit(1);
+		}
+	}
+
+	while (1) {
+		osmo_select_main(0);
+	}
+
 	return(0);
 }
-- 
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