[GPRS] SGSN: Add Signal handler and NS VTY support
diff --git a/openbsc/src/gprs/sgsn_main.c b/openbsc/src/gprs/sgsn_main.c
index 15f760d..b355fb5 100644
--- a/openbsc/src/gprs/sgsn_main.c
+++ b/openbsc/src/gprs/sgsn_main.c
@@ -26,6 +26,7 @@
#include <string.h>
#include <getopt.h>
#include <errno.h>
+#include <signal.h>
#include <sys/fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
@@ -35,6 +36,7 @@
#include <osmocore/talloc.h>
#include <osmocore/select.h>
+#include <osmocore/rate_ctr.h>
#include <openbsc/signal.h>
#include <openbsc/debug.h>
@@ -89,8 +91,34 @@
return rc;
}
+static void signal_handler(int signal)
+{
+ fprintf(stdout, "signal %u received\n", signal);
+
+ switch (signal) {
+ case SIGINT:
+ dispatch_signal(SS_GLOBAL, S_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:
+ talloc_report(tall_vty_ctx, stderr);
+ talloc_report_full(tall_bsc_ctx, stderr);
+ break;
+ case SIGUSR2:
+ talloc_report_full(tall_vty_ctx, stderr);
+ break;
+ default:
+ break;
+ }
+}
+
/* NSI that BSSGP uses when transmitting on NS */
extern struct gprs_ns_inst *bssgp_nsi;
+extern void *tall_msgb_ctx;
int main(int argc, char **argv)
{
@@ -100,18 +128,21 @@
int rc;
tall_bsc_ctx = talloc_named_const(NULL, 0, "osmo_sgsn");
+ tall_msgb_ctx = talloc_named_const(tall_bsc_ctx, 0, "msgb");
+
+ signal(SIGINT, &signal_handler);
+ signal(SIGABRT, &signal_handler);
+ signal(SIGUSR1, &signal_handler);
+ signal(SIGUSR2, &signal_handler);
+ signal(SIGPIPE, SIG_IGN);
log_init(&log_info);
stderr_target = log_target_create_stderr();
log_add_target(stderr_target);
log_set_all_filter(stderr_target, 1);
+ rate_ctr_init(tall_bsc_ctx);
telnet_init(&dummy_network, 4245);
- rc = sgsn_parse_config(config_file, &sgcfg);
- if (rc < 0) {
- LOGP(DGPRS, LOGL_FATAL, "Cannot parse config file\n");
- exit(2);
- }
sgsn_nsi = gprs_ns_instantiate(&sgsn_ns_cb);
if (!sgsn_nsi) {
@@ -119,6 +150,15 @@
exit(1);
}
bssgp_nsi = sgcfg.nsi = sgsn_nsi;
+ gprs_ns_vty_init(bssgp_nsi);
+ /* FIXME: register signal handler for SS_NS */
+
+ rc = sgsn_parse_config(config_file, &sgcfg);
+ if (rc < 0) {
+ LOGP(DGPRS, LOGL_FATAL, "Cannot parse config file\n");
+ exit(2);
+ }
+
nsip_listen(sgsn_nsi, sgcfg.nsip_listen_port);
while (1) {