[gprs] Add option parsing to SGSN
diff --git a/openbsc/src/gprs/sgsn_main.c b/openbsc/src/gprs/sgsn_main.c
index 92f4310..8c42edc 100644
--- a/openbsc/src/gprs/sgsn_main.c
+++ b/openbsc/src/gprs/sgsn_main.c
@@ -37,6 +37,8 @@
#include <osmocore/talloc.h>
#include <osmocore/select.h>
#include <osmocore/rate_ctr.h>
+#include <osmocore/logging.h>
+#include <osmocore/process.h>
#include <osmocom/vty/telnet_interface.h>
@@ -61,6 +63,8 @@
void *tall_bsc_ctx;
struct gprs_ns_inst *sgsn_nsi;
+static struct log_target *stderr_target;
+static int daemonize = 0;
const char *openbsc_copyright =
"Copyright (C) 2010 Harald Welte and On-Waves\n"
"License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>\n"
@@ -133,10 +137,70 @@
.go_parent_cb = bsc_vty_go_parent,
};
+static void print_help(void)
+{
+ printf("Some useful help...\n");
+ printf(" -h --help\tthis text\n");
+ printf(" -D --daemonize\tFork the process into a background daemon\n");
+ printf(" -d option --debug\tenable Debugging\n");
+ printf(" -s --disable-color\n");
+ printf(" -c --config-file\tThe config file to use\n");
+ printf(" -e --log-level number\tSet a global log level\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'},
+ {"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'},
+ {NULL, 0, 0, 0}
+ };
+
+ c = getopt_long(argc, argv, "hd:Dc:sTe:",
+ long_options, &option_index);
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case 'h':
+ //print_usage();
+ print_help();
+ exit(0);
+ case 's':
+ log_set_use_color(stderr_target, 0);
+ break;
+ case 'd':
+ log_parse_category_mask(stderr_target, optarg);
+ break;
+ case 'D':
+ daemonize = 1;
+ break;
+ case 'c':
+ sgsn_inst.config_file = strdup(optarg);
+ break;
+ case 'T':
+ log_set_print_timestamp(stderr_target, 1);
+ break;
+ case 'e':
+ log_set_log_level(stderr_target, atoi(optarg));
+ break;
+ default:
+ /* ignore */
+ break;
+ }
+ }
+}
+
int main(int argc, char **argv)
{
struct gsm_network dummy_network;
- struct log_target *stderr_target;
struct sockaddr_in sin;
int rc;
@@ -159,6 +223,8 @@
logging_vty_add_cmds();
sgsn_vty_init();
+ handle_options(argc, argv);
+
rate_ctr_init(tall_bsc_ctx);
rc = telnet_init(tall_bsc_ctx, &dummy_network, 4245);
if (rc < 0)
@@ -204,6 +270,14 @@
exit(2);
}
+ if (daemonize) {
+ rc = osmo_daemonize();
+ if (rc < 0) {
+ perror("Error during daemonize");
+ exit(1);
+ }
+ }
+
while (1) {
rc = bsc_select_main(0);
if (rc < 0)