[GPRS] SGSN: Add Signal handler and NS VTY support
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f2b4cd7b86
commit
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@ -26,6 +26,7 @@
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#include <string.h>
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#include <getopt.h>
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#include <errno.h>
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#include <signal.h>
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#include <sys/fcntl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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@ -35,6 +36,7 @@
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#include <osmocore/talloc.h>
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#include <osmocore/select.h>
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#include <osmocore/rate_ctr.h>
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#include <openbsc/signal.h>
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#include <openbsc/debug.h>
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@ -89,8 +91,34 @@ static int sgsn_ns_cb(enum gprs_ns_evt event, struct gprs_nsvc *nsvc,
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return rc;
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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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dispatch_signal(SS_GLOBAL, S_GLOBAL_SHUTDOWN, NULL);
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sleep(1);
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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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case SIGUSR2:
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talloc_report_full(tall_vty_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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/* NSI that BSSGP uses when transmitting on NS */
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extern struct gprs_ns_inst *bssgp_nsi;
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extern void *tall_msgb_ctx;
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int main(int argc, char **argv)
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{
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@ -100,18 +128,21 @@ int main(int argc, char **argv)
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int rc;
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tall_bsc_ctx = talloc_named_const(NULL, 0, "osmo_sgsn");
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tall_msgb_ctx = talloc_named_const(tall_bsc_ctx, 0, "msgb");
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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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signal(SIGUSR2, &signal_handler);
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signal(SIGPIPE, SIG_IGN);
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log_init(&log_info);
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stderr_target = log_target_create_stderr();
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log_add_target(stderr_target);
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log_set_all_filter(stderr_target, 1);
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rate_ctr_init(tall_bsc_ctx);
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telnet_init(&dummy_network, 4245);
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rc = sgsn_parse_config(config_file, &sgcfg);
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if (rc < 0) {
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LOGP(DGPRS, LOGL_FATAL, "Cannot parse config file\n");
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exit(2);
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}
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sgsn_nsi = gprs_ns_instantiate(&sgsn_ns_cb);
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if (!sgsn_nsi) {
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@ -119,6 +150,15 @@ int main(int argc, char **argv)
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exit(1);
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}
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bssgp_nsi = sgcfg.nsi = sgsn_nsi;
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gprs_ns_vty_init(bssgp_nsi);
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/* FIXME: register signal handler for SS_NS */
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rc = sgsn_parse_config(config_file, &sgcfg);
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if (rc < 0) {
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LOGP(DGPRS, LOGL_FATAL, "Cannot parse config file\n");
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exit(2);
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}
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nsip_listen(sgsn_nsi, sgcfg.nsip_listen_port);
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while (1) {
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