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-rw-r--r--src/osmo-msc/msc_main.c156
1 files changed, 88 insertions, 68 deletions
diff --git a/src/osmo-msc/msc_main.c b/src/osmo-msc/msc_main.c
index cd30bdb51..857a6a691 100644
--- a/src/osmo-msc/msc_main.c
+++ b/src/osmo-msc/msc_main.c
@@ -1,7 +1,7 @@
/* OsmoMSC - Circuit-Switched Core Network (MSC+VLR+HLR+SMSC) implementation
*/
-/* (C) 2016 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+/* (C) 2016-2019 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
* All Rights Reserved
*
* Based on OsmoNITB:
@@ -63,16 +63,21 @@
#include <osmocom/mgcp_client/mgcp_client.h>
#include <osmocom/msc/sgs_iface.h>
#include <osmocom/msc/sgs_server.h>
+#include <osmocom/msc/ran_infra.h>
+#include <osmocom/msc/ran_peer.h>
+#include <osmocom/msc/ran_msg_a.h>
+#include <osmocom/msc/msub.h>
+#include <osmocom/msc/call_leg.h>
+#include <osmocom/msc/msc_ho.h>
+#include <osmocom/msc/gsup_client_mux.h>
+#include <osmocom/msc/e_link.h>
+#include <osmocom/msc/mncc_call.h>
#ifdef BUILD_IU
#include <osmocom/ranap/iu_client.h>
+#include <asn1c/asn_internal.h>
#endif
-#include <osmocom/msc/msc_ifaces.h>
-#include <osmocom/msc/iucs.h>
-#include <osmocom/msc/iucs_ranap.h>
-#include <osmocom/msc/a_iface.h>
-
static const char * const osmomsc_copyright =
"OsmoMSC - Osmocom Circuit-Switched Core Network implementation\r\n"
"Copyright (C) 2016 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>\r\n"
@@ -216,6 +221,7 @@ struct gsm_network *msc_network_alloc(void *ctx,
net->gsup_server_port = MSC_HLR_REMOTE_PORT_DEFAULT;
mgcp_client_conf_init(&net->mgw.conf);
+ net->mgw.tdefs = g_mgw_tdefs;
return net;
}
@@ -320,27 +326,6 @@ static struct vty_app_info msc_vty_info = {
.is_config_node = msc_vty_is_config_node,
};
-#ifdef BUILD_IU
-static int rcvmsg_iu_cs(struct msgb *msg, struct gprs_ra_id *ra_id, uint16_t *sai)
-{
- DEBUGP(DIUCS, "got IuCS message %d bytes: %s\n", msg->len, msgb_hexdump(msg));
- if (ra_id) {
- DEBUGP(DIUCS, "got IuCS message on %s\n", osmo_rai_name(ra_id));
- }
-
- return gsm0408_rcvmsg_iucs(msc_network, msg, ra_id? &ra_id->lac : NULL);
-}
-
-static int rx_iu_event(struct ranap_ue_conn_ctx *ctx, enum ranap_iu_event_type type,
- void *data)
-{
- DEBUGP(DIUCS, "got IuCS event %u: %s\n", type,
- ranap_iu_event_type_str(type));
-
- return iucs_rx_ranap_event(msc_network, ctx, type, data);
-}
-#endif
-
#define DEFAULT_M3UA_REMOTE_IP "127.0.0.1"
#define DEFAULT_PC "0.23.1"
@@ -361,42 +346,38 @@ static struct osmo_sccp_instance *sccp_setup(void *ctx, uint32_t cs7_instance,
* Similarly, 'cs7' / 'listen' can specify the local IP address. */
}
-static int ss7_setup(void *ctx)
+static int ss7_setup(void *ctx, struct osmo_sccp_instance **sccp_a, struct osmo_sccp_instance **sccp_iu)
{
- uint32_t cs7_instance_a = msc_network->a.cs7_instance;
+ uint32_t i_a = msc_network->a.cs7_instance;
+ uint32_t i_iu = msc_network->iu.cs7_instance;
+
+ const char *name_a = "OsmoMSC-A";
+ const char *name_iu = NULL;
+
#if BUILD_IU
- uint32_t cs7_instance_iu = msc_network->iu.cs7_instance;
-
- if (cs7_instance_a == cs7_instance_iu) {
- /* Create one single SCCP instance which will be used for both,
- * Iu and A at the same time, under the same point-code */
- LOGP(DMSC, LOGL_NOTICE, "CS7 Instance identifiers: A = Iu = %u\n", cs7_instance_a);
-
- msc_network->a.sccp = sccp_setup(ctx, cs7_instance_a, "OsmoMSC-A-Iu", DEFAULT_PC);
- if (!msc_network->a.sccp)
- return -EINVAL;
-
- msc_network->iu.sccp = msc_network->a.sccp;
- } else {
- /* Create two separate SCCP instances to run A and Iu independently on different
- * pointcodes */
- LOGP(DMSC, LOGL_NOTICE, "CS7 Instance identifiers: A = %u, Iu = %u\n",
- cs7_instance_a, cs7_instance_iu);
-
- msc_network->a.sccp = sccp_setup(ctx, cs7_instance_a, "OsmoMSC-A", DEFAULT_PC);
- if (!msc_network->a.sccp)
- return -EINVAL;
-
- msc_network->iu.sccp = sccp_setup(ctx, cs7_instance_iu, "OsmoMSC-Iu", DEFAULT_PC);
- if (!msc_network->iu.sccp)
- return -EINVAL;
+ if (i_a == i_iu)
+ name_a = name_iu = "OsmoMSC-A-Iu";
+ else
+ name_iu = "OsmoMSC-Iu";
+#endif
+
+ *sccp_a = sccp_setup(ctx, i_a, name_a, DEFAULT_PC);
+ if (!*sccp_a)
+ return -EINVAL;
+
+ if (!name_iu) {
+ *sccp_iu = NULL;
+ return 0;
+ }
+
+ if (i_a == i_iu) {
+ *sccp_iu = *sccp_a;
+ return 0;
}
-#else
- /* No Iu support, just open up an A instance */
- msc_network->a.sccp = sccp_setup(ctx, cs7_instance_a, "OsmoMSC-A", DEFAULT_PC);
- if (!msc_network->a.sccp)
+
+ *sccp_iu = sccp_setup(ctx, i_iu, name_iu, DEFAULT_PC);
+ if (!*sccp_iu)
return -EINVAL;
-#endif
return 0;
}
@@ -451,6 +432,7 @@ static const struct log_info_cat msc_default_categories[] = {
[DHO] = {
.name = "DHO",
.description = "Hand-Over",
+ .color = "\033[1;38m",
.enabled = 1, .loglevel = LOGL_NOTICE,
},
[DDB] = {
@@ -527,6 +509,9 @@ int main(int argc, char **argv)
{
int rc;
+ struct osmo_sccp_instance *sccp_a;
+ struct osmo_sccp_instance *sccp_iu;
+
/* Track the use of talloc NULL memory contexts */
talloc_enable_null_tracking();
@@ -544,6 +529,10 @@ int main(int argc, char **argv)
tall_trans_ctx = talloc_named_const(tall_msc_ctx, 0, "transaction");
osmo_init_logging2(tall_msc_ctx, &log_info);
+
+ osmo_fsm_log_timeouts(true);
+ osmo_fsm_log_addr(true);
+
osmo_stats_init(tall_msc_ctx);
/* For --version, vty_init() must be called before handling options */
@@ -562,6 +551,9 @@ int main(int argc, char **argv)
if (!msc_network)
return -ENOMEM;
+ call_leg_init(msc_network);
+ mncc_call_fsm_init(msc_network);
+
if (msc_vlr_alloc(msc_network)) {
fprintf(stderr, "Failed to allocate VLR\n");
exit(1);
@@ -653,14 +645,18 @@ TODO: we probably want some of the _net_ ctrl commands from bsc_base_ctrl_cmds_i
return 4;
}
- osmo_fsm_log_addr(true);
+ if (msc_gsup_client_start(msc_network)) {
+ fprintf(stderr, "Failed to start GSUP client\n");
+ exit(1);
+ }
+
+ msc_a_i_t_gsup_init(msc_network);
+
if (msc_vlr_start(msc_network)) {
fprintf(stderr, "Failed to start VLR\n");
exit(1);
}
- ran_conn_init();
-
if (db_prepare()) {
printf("DB: Failed to prepare database.\n");
return 5;
@@ -690,7 +686,7 @@ TODO: we probably want some of the _net_ ctrl commands from bsc_base_ctrl_cmds_i
return 7;
}
- if (ss7_setup(tall_msc_ctx)) {
+ if (ss7_setup(tall_msc_ctx, &sccp_a, &sccp_iu)) {
printf("Setting up SCCP client failed.\n");
return 8;
}
@@ -700,13 +696,37 @@ TODO: we probably want some of the _net_ ctrl commands from bsc_base_ctrl_cmds_i
return 9;
}
+ msc_network->a.sri = sccp_ran_init(msc_network, sccp_a, OSMO_SCCP_SSN_BSSAP,
+ "OsmoMSC-A", &msc_ran_infra[OSMO_RAT_GERAN_A],
+ msc_network);
+ if (!msc_network->a.sri) {
+ printf("Setting up A receiver failed\n");
+ return 10;
+ }
+ LOGP(DMSC, LOGL_NOTICE, "A-interface: SCCP user %s, cs7-instance %u (%s)\n",
+ osmo_sccp_user_name(msc_network->a.sri->scu),
+ osmo_sccp_get_ss7(msc_network->a.sri->sccp)->cfg.id,
+ osmo_sccp_get_ss7(msc_network->a.sri->sccp)->cfg.name);
+
#ifdef BUILD_IU
- /* Set up IuCS */
- ranap_iu_init(tall_msc_ctx, DRANAP, "OsmoMSC-IuCS", msc_network->iu.sccp, rcvmsg_iu_cs, rx_iu_event);
-#endif
+ talloc_asn1_ctx = talloc_named_const(tall_msc_ctx, 0, "asn1");
+
+ msc_network->iu.sri = sccp_ran_init(msc_network, sccp_iu, OSMO_SCCP_SSN_RANAP,
+ "OsmoMSC-IuCS", &msc_ran_infra[OSMO_RAT_UTRAN_IU],
+ msc_network);
+ if (!msc_network->iu.sri) {
+ printf("Setting up IuCS receiver failed\n");
+ return 11;
+ }
- /* Set up A interface */
- a_init(msc_network->a.sccp, msc_network);
+ /* Compatibility with legacy osmo-hnbgw that was unable to properly handle RESET messages. */
+ msc_network->iu.sri->ignore_missing_reset = true;
+
+ LOGP(DMSC, LOGL_NOTICE, "Iu-interface: SCCP user %s, cs7-instance %u (%s)\n",
+ osmo_sccp_user_name(msc_network->iu.sri->scu),
+ osmo_sccp_get_ss7(msc_network->iu.sri->sccp)->cfg.id,
+ osmo_sccp_get_ss7(msc_network->iu.sri->sccp)->cfg.name);
+#endif
/* Init RRLP handlers */
msc_rrlp_init();
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 19:51:41 +0000