\*****************************************************************************/
#include "main.h"
-#include "config.h"
+#include "mncc.h"
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif
-extern "C" {
-#include <getopt.h>
-
-#include <openbsc/db.h>
-#include <osmocore/select.h>
-#include <openbsc/debug.h>
-#include <openbsc/e1_input.h>
-#include <osmocore/talloc.h>
-#include <openbsc/mncc.h>
-#include <openbsc/trau_frame.h>
-#include <openbsc/osmo_msc.h>
-//#include <osmocom/vty/command.h>
-struct gsm_network *bsc_gsmnet = 0;
-extern int ipacc_rtp_direct;
-extern int bsc_bootstrap_network(int (*mmc_rev)(struct gsm_network *, int, void *),
- const char *cfg_file);
-extern int bsc_shutdown_net(struct gsm_network *net);
-void talloc_ctx_init(void);
-void on_dso_load_token(void);
-void on_dso_load_rrlp(void);
-void on_dso_load_ho_dec(void);
-int bts_model_unknown_init(void);
-int bts_model_bs11_init(void);
-int bts_model_nanobts_init(void);
-static struct log_target *stderr_target;
-extern const char *openbsc_copyright;
-
-/* timer to store statistics */
-#define DB_SYNC_INTERVAL 60, 0
-static struct timer_list db_sync_timer;
-
-/* FIXME: copied from the include file, because it will con compile with C++ */
-struct vty_app_info {
- const char *name;
- const char *version;
- const char *copyright;
- void *tall_ctx;
- int (*go_parent_cb)(struct vty *vty);
- int (*is_config_node)(struct vty *vty, int node);
-};
-
-extern int bsc_vty_go_parent(struct vty *vty);
-extern int bsc_vty_is_config_node(struct vty *vty, int node);
-static struct vty_app_info vty_info = {
- "OpenBSC",
- PACKAGE_VERSION,
- NULL,
- NULL,
- bsc_vty_go_parent,
- bsc_vty_is_config_node,
-};
-
-void vty_init(struct vty_app_info *app_info);
-int bsc_vty_init(void);
-
-}
+struct lcr_gsm *gsm_bs = NULL;
-/* timer handling */
-static int _db_store_counter(struct counter *counter, void *data)
-{
- return db_store_counter(counter);
-}
-
-static void db_sync_timer_cb(void *data)
-{
- /* store counters to database and re-schedule */
- counters_for_each(_db_store_counter, NULL);
- bsc_schedule_timer(&db_sync_timer, DB_SYNC_INTERVAL);
-}
+#define PAYLOAD_TYPE_GSM 3
/*
* DTMF stuff
/*
* constructor
*/
-Pgsm_bs::Pgsm_bs(int type, struct mISDNport *mISDNport, char *portname, struct port_settings *settings, int channel, int exclusive, int mode) : Pgsm(type, mISDNport, portname, settings, channel, exclusive, mode)
+Pgsm_bs::Pgsm_bs(int type, char *portname, struct port_settings *settings, struct interface *interface) : Pgsm(type, portname, settings, interface)
{
- p_m_g_instance = gsm->network;
- p_m_g_dtmf = NULL;
- p_m_g_dtmf_index = 0;
+ p_g_lcr_gsm = gsm_bs;
+ p_g_dtmf = NULL;
+ p_g_dtmf_index = 0;
PDEBUG(DEBUG_GSM, "Created new GSMBSPort(%s).\n", portname);
}
PDEBUG(DEBUG_GSM, "Destroyed GSM BS process(%s).\n", p_name);
}
+static const char *media_type2name(unsigned char media_type) {
+ switch (media_type) {
+ case MEDIA_TYPE_ULAW:
+ return "PCMU";
+ case MEDIA_TYPE_ALAW:
+ return "PCMA";
+ case MEDIA_TYPE_GSM:
+ return "GSM";
+ case MEDIA_TYPE_GSM_HR:
+ return "GSM-HR";
+ case MEDIA_TYPE_GSM_EFR:
+ return "GSM-EFR";
+ case MEDIA_TYPE_AMR:
+ return "AMR";
+ }
+
+ return "UKN";
+}
+
+/* PROCEEDING INDICATION (from MS) */
+void Pgsm_bs::call_conf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
+{
+ int media_types[8];
+ unsigned char payload_types[8];
+ int payloads = 0;
+
+ gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
+ if (mncc->fields & MNCC_F_CAUSE) {
+ add_trace("cause", "coding", "%d", mncc->cause.coding);
+ add_trace("cause", "location", "%", mncc->cause.location);
+ add_trace("cause", "value", "%", mncc->cause.value);
+ }
+ end_trace();
+
+ new_state(PORT_STATE_OUT_PROCEEDING);
+
+ /* get list of offered payload types
+ * if list ist empty, the FR V1 is selected */
+ select_payload_type(mncc, payload_types, media_types, &payloads, sizeof(payload_types));
+ /* if no given payload type is supported, we assume */
+ if (!payloads) {
+ media_types[0] = MEDIA_TYPE_GSM;
+ payload_types[0] = PAYLOAD_TYPE_GSM;
+ payloads = 1;
+ }
+
+ /* select first payload type that matches the rtp list */
+ if (p_g_rtp_bridge) {
+ int i, j;
+
+ for (i = 0; i < p_g_rtp_payloads; i++) {
+ for (j = 0; j < payloads; j++) {
+ if (p_g_rtp_media_types[i] == media_types[j])
+ break;
+ }
+ if (j < payloads)
+ break;
+ }
+ if (i == p_g_rtp_payloads) {
+ struct lcr_msg *message;
+
+ /* payload offered by remote RTP is not supported */
+ message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_RELEASE);
+ message->param.disconnectinfo.cause = 65;
+ message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
+ message_put(message);
+ /* send release */
+ mncc = create_mncc(MNCC_REL_REQ, p_g_callref);
+ gsm_trace_header(p_g_interface_name, this, MNCC_REL_REQ, DIRECTION_OUT);
+ mncc->fields |= MNCC_F_CAUSE;
+ mncc->cause.coding = 3;
+ mncc->cause.location = LOCATION_PRIVATE_LOCAL;
+ mncc->cause.value = 65;
+ add_trace("cause", "coding", "%d", mncc->cause.coding);
+ add_trace("cause", "location", "%d", mncc->cause.location);
+ add_trace("cause", "value", "%d", mncc->cause.value);
+ add_trace("reason", NULL, "None of the payload types are supported by MS");
+ end_trace();
+ send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
+ new_state(PORT_STATE_RELEASE);
+ trigger_work(&p_g_delete);
+
+ return;
+ }
+ modify_lchan(p_g_rtp_media_types[i]);
+ /* use the payload type from received rtp list, not from locally generated payload types */
+ p_g_payload_type = p_g_rtp_payload_types[i];
+ } else {
+ /* modify to first given payload */
+ modify_lchan(media_types[0]);
+ p_g_payload_type = payload_types[0];
+ }
+}
+
/* DTMF INDICATION */
void Pgsm_bs::start_dtmf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
{
-// struct lcr_msg *message;
struct gsm_mncc *resp;
- gsm_trace_header(p_m_mISDNport, this, msg_type, DIRECTION_IN);
+ gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
add_trace("keypad", NULL, "%c", mncc->keypad);
end_trace();
SPRINT(p_dialinginfo.id, "%c", mncc->keypad);
p_dialinginfo.ntype = INFO_NTYPE_UNKNOWN;
/* send resp */
- gsm_trace_header(p_m_mISDNport, this, MNCC_START_DTMF_RSP, DIRECTION_OUT);
+ gsm_trace_header(p_g_interface_name, this, MNCC_START_DTMF_RSP, DIRECTION_OUT);
add_trace("keypad", NULL, "%c", mncc->keypad);
end_trace();
- resp = create_mncc(MNCC_START_DTMF_RSP, p_m_g_callref);
+ resp = create_mncc(MNCC_START_DTMF_RSP, p_g_callref);
+ resp->fields |= MNCC_F_KEYPAD;
resp->keypad = mncc->keypad;
- send_and_free_mncc(p_m_g_instance, resp->msg_type, resp);
-
-#if 0
- /* send dialing information */
- message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_INFORMATION);
- memcpy(&message->param.information, &p_dialinginfo, sizeof(struct dialing_info));
- message_put(message);
-#endif
-
- /* generate DTMF tones */
- switch (mncc->keypad) {
- case '1': p_m_g_dtmf = dtmf_samples[0]; break;
- case '2': p_m_g_dtmf = dtmf_samples[1]; break;
- case '3': p_m_g_dtmf = dtmf_samples[2]; break;
- case 'a':
- case 'A': p_m_g_dtmf = dtmf_samples[3]; break;
- case '4': p_m_g_dtmf = dtmf_samples[4]; break;
- case '5': p_m_g_dtmf = dtmf_samples[5]; break;
- case '6': p_m_g_dtmf = dtmf_samples[6]; break;
- case 'b':
- case 'B': p_m_g_dtmf = dtmf_samples[7]; break;
- case '7': p_m_g_dtmf = dtmf_samples[8]; break;
- case '8': p_m_g_dtmf = dtmf_samples[9]; break;
- case '9': p_m_g_dtmf = dtmf_samples[10]; break;
- case 'c':
- case 'C': p_m_g_dtmf = dtmf_samples[11]; break;
- case '*': p_m_g_dtmf = dtmf_samples[12]; break;
- case '0': p_m_g_dtmf = dtmf_samples[13]; break;
- case '#': p_m_g_dtmf = dtmf_samples[14]; break;
- case 'd':
- case 'D': p_m_g_dtmf = dtmf_samples[15]; break;
- }
- p_m_g_dtmf_index = 0;
+ send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
+
+ if (p_g_rtp_bridge) {
+ /* if two members are bridged */
+ if (p_bridge && p_bridge->first && p_bridge->first->next && !p_bridge->first->next->next) {
+ class Port *remote = NULL;
+
+ /* select other member */
+ if (p_bridge->first->port == this)
+ remote = p_bridge->first->next->port;
+ if (p_bridge->first->next->port == this)
+ remote = p_bridge->first->port;
+
+ if (remote) {
+ struct lcr_msg *message;
+
+ /* send dtmf information, because we bridge RTP directly */
+ message = message_create(0, remote->p_serial, EPOINT_TO_PORT, MESSAGE_DTMF);
+ message->param.dtmf = mncc->keypad;
+ message_put(message);
+ }
+ }
+ } else {
+ /* generate DTMF tones, since we do audio forwarding inside LCR */
+ switch (mncc->keypad) {
+ case '1': p_g_dtmf = dtmf_samples[0]; break;
+ case '2': p_g_dtmf = dtmf_samples[1]; break;
+ case '3': p_g_dtmf = dtmf_samples[2]; break;
+ case 'a':
+ case 'A': p_g_dtmf = dtmf_samples[3]; break;
+ case '4': p_g_dtmf = dtmf_samples[4]; break;
+ case '5': p_g_dtmf = dtmf_samples[5]; break;
+ case '6': p_g_dtmf = dtmf_samples[6]; break;
+ case 'b':
+ case 'B': p_g_dtmf = dtmf_samples[7]; break;
+ case '7': p_g_dtmf = dtmf_samples[8]; break;
+ case '8': p_g_dtmf = dtmf_samples[9]; break;
+ case '9': p_g_dtmf = dtmf_samples[10]; break;
+ case 'c':
+ case 'C': p_g_dtmf = dtmf_samples[11]; break;
+ case '*': p_g_dtmf = dtmf_samples[12]; break;
+ case '0': p_g_dtmf = dtmf_samples[13]; break;
+ case '#': p_g_dtmf = dtmf_samples[14]; break;
+ case 'd':
+ case 'D': p_g_dtmf = dtmf_samples[15]; break;
+ }
+ p_g_dtmf_index = 0;
+ }
}
void Pgsm_bs::stop_dtmf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
{
struct gsm_mncc *resp;
- gsm_trace_header(p_m_mISDNport, this, msg_type, DIRECTION_IN);
+ gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
add_trace("keypad", NULL, "%c", mncc->keypad);
end_trace();
/* send resp */
- gsm_trace_header(p_m_mISDNport, this, MNCC_STOP_DTMF_RSP, DIRECTION_OUT);
+ gsm_trace_header(p_g_interface_name, this, MNCC_STOP_DTMF_RSP, DIRECTION_OUT);
add_trace("keypad", NULL, "%c", mncc->keypad);
end_trace();
- resp = create_mncc(MNCC_STOP_DTMF_RSP, p_m_g_callref);
+ resp = create_mncc(MNCC_STOP_DTMF_RSP, p_g_callref);
resp->keypad = mncc->keypad;
- send_and_free_mncc(p_m_g_instance, resp->msg_type, resp);
+ send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
/* stop DTMF */
- p_m_g_dtmf = NULL;
+ p_g_dtmf = NULL;
}
/* HOLD INDICATION */
struct lcr_msg *message;
struct gsm_mncc *resp, *frame;
- gsm_trace_header(p_m_mISDNport, this, msg_type, DIRECTION_IN);
+ gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
end_trace();
/* notify the hold of call */
message_put(message);
/* acknowledge hold */
- gsm_trace_header(p_m_mISDNport, this, MNCC_HOLD_CNF, DIRECTION_OUT);
+ gsm_trace_header(p_g_interface_name, this, MNCC_HOLD_CNF, DIRECTION_OUT);
end_trace();
- resp = create_mncc(MNCC_HOLD_CNF, p_m_g_callref);
- send_and_free_mncc(p_m_g_instance, resp->msg_type, resp);
+ resp = create_mncc(MNCC_HOLD_CNF, p_g_callref);
+ send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
/* disable audio */
- if (p_m_g_tch_connected) { /* it should be true */
- gsm_trace_header(p_m_mISDNport, this, MNCC_FRAME_DROP, DIRECTION_OUT);
+ if (p_g_tch_connected) { /* it should be true */
+ gsm_trace_header(p_g_interface_name, this, MNCC_FRAME_DROP, DIRECTION_OUT);
end_trace();
- frame = create_mncc(MNCC_FRAME_DROP, p_m_g_callref);
- send_and_free_mncc(p_m_g_instance, frame->msg_type, frame);
- p_m_g_tch_connected = 0;
+ frame = create_mncc(MNCC_FRAME_DROP, p_g_callref);
+ send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
+ p_g_tch_connected = 0;
}
}
struct lcr_msg *message;
struct gsm_mncc *resp, *frame;
- gsm_trace_header(p_m_mISDNport, this, msg_type, DIRECTION_IN);
+ gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
end_trace();
/* notify the retrieve of call */
message_put(message);
/* acknowledge retr */
- gsm_trace_header(p_m_mISDNport, this, MNCC_RETRIEVE_CNF, DIRECTION_OUT);
+ gsm_trace_header(p_g_interface_name, this, MNCC_RETRIEVE_CNF, DIRECTION_OUT);
end_trace();
- resp = create_mncc(MNCC_RETRIEVE_CNF, p_m_g_callref);
- send_and_free_mncc(p_m_g_instance, resp->msg_type, resp);
+ resp = create_mncc(MNCC_RETRIEVE_CNF, p_g_callref);
+ send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
/* enable audio */
- if (!p_m_g_tch_connected) { /* it should be true */
- gsm_trace_header(p_m_mISDNport, this, MNCC_FRAME_RECV, DIRECTION_OUT);
+ if (!p_g_tch_connected) { /* it should be true */
+ gsm_trace_header(p_g_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
end_trace();
- frame = create_mncc(MNCC_FRAME_RECV, p_m_g_callref);
- send_and_free_mncc(p_m_g_instance, frame->msg_type, frame);
- p_m_g_tch_connected = 1;
+ frame = create_mncc(MNCC_FRAME_RECV, p_g_callref);
+ send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
+ p_g_tch_connected = 1;
+ }
+}
+
+/*
+ * select payload type by given list or GSM V1 FR
+ * return the payload type or 0 if not given
+ */
+
+void Pgsm_bs::select_payload_type(struct gsm_mncc *mncc, unsigned char *payload_types, int *media_types, int *payloads, int max_payloads)
+{
+ int media_type;
+ unsigned char payload_type;
+
+ *payloads = 0;
+
+ gsm_trace_header(p_g_interface_name, this, 1 /* codec negotioation */, DIRECTION_NONE);
+ if ((mncc->fields & MNCC_F_BEARER_CAP)) {
+ /* select preferred payload type from list */
+ int i;
+ unsigned char dynamic_type = 96;
+
+ add_trace("bearer", "capa", "given by MS");
+ for (i = 0; mncc->bearer_cap.speech_ver[i] >= 0; i++) {
+ /* select payload type we support */
+ switch (mncc->bearer_cap.speech_ver[i]) {
+ case 0:
+ add_trace("speech", "version", "Full Rate given");
+ media_type = MEDIA_TYPE_GSM;
+ payload_type = PAYLOAD_TYPE_GSM;
+ break;
+ case 2:
+ add_trace("speech", "version", "EFR given");
+ media_type = MEDIA_TYPE_GSM_EFR;
+ payload_type = dynamic_type++;
+ break;
+ case 4:
+ add_trace("speech", "version", "AMR given");
+ media_type = MEDIA_TYPE_AMR;
+ payload_type = dynamic_type++;
+ break;
+ case 1:
+ add_trace("speech", "version", "Half Rate given");
+ media_type = MEDIA_TYPE_GSM_HR;
+ payload_type = dynamic_type++;
+ break;
+ case 5:
+ add_trace("speech", "version", "AMR Half Rate given");
+ media_type = MEDIA_TYPE_AMR;
+ payload_type = dynamic_type++;
+ break;
+ default:
+ add_trace("speech", "version", "%d given", mncc->bearer_cap.speech_ver[i]);
+ media_type = 0;
+ payload_type = 0;
+ }
+ /* wen don't support it, so we check the next */
+ if (!media_type) {
+ add_trace("speech", "ignored", "Not supported by LCR");
+ continue;
+ }
+ if (!p_g_rtp_bridge) {
+ if (media_type != MEDIA_TYPE_GSM) {
+ add_trace("speech", "ignored", "Not suitable for LCR");
+ continue;
+ }
+ }
+ if (*payloads <= max_payloads) {
+ media_types[*payloads] = media_type;
+ payload_types[*payloads] = payload_type;
+ (*payloads)++;
+ }
+ }
+ } else {
+ add_trace("bearer", "capa", "not given by MS");
+ add_trace("speech", "version", "Full Rate given");
+ media_types[0] = MEDIA_TYPE_GSM;
+ payload_types[0] = PAYLOAD_TYPE_GSM;
+ *payloads = 1;
}
+ if (!(*payloads))
+ add_trace("error", "", "All given payload types unsupported");
+ end_trace();
}
/*
/* SETUP INDICATION */
void Pgsm_bs::setup_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
{
- int ret;
class Endpoint *epoint;
struct lcr_msg *message;
- int channel;
- struct gsm_mncc *mode, *proceeding, *frame;
+ struct gsm_mncc *proceeding, *frame;
+ struct interface *interface;
+ int media_types[8];
+ unsigned char payload_types[8];
+ int payloads = 0;
+
+ interface = getinterfacebyname(p_g_interface_name);
+ if (!interface) {
+ PERROR("Cannot find interface %s.\n", p_g_interface_name);
+ return;
+ }
/* process given callref */
- l1l2l3_trace_header(p_m_mISDNport, this, L3_NEW_L3ID_IND, DIRECTION_IN);
+ gsm_trace_header(p_g_interface_name, this, 0, DIRECTION_IN);
add_trace("callref", "new", "0x%x", callref);
- if (p_m_g_callref) {
+ if (p_g_callref) {
/* release in case the ID is already in use */
add_trace("error", NULL, "callref already in use");
end_trace();
mncc = create_mncc(MNCC_REJ_REQ, callref);
- gsm_trace_header(p_m_mISDNport, this, MNCC_REJ_REQ, DIRECTION_OUT);
+ gsm_trace_header(p_g_interface_name, this, MNCC_REJ_REQ, DIRECTION_OUT);
mncc->fields |= MNCC_F_CAUSE;
mncc->cause.coding = 3;
mncc->cause.location = 1;
add_trace("cause", "value", "%d", mncc->cause.value);
add_trace("reason", NULL, "callref already in use");
end_trace();
- send_and_free_mncc(p_m_g_instance, mncc->msg_type, mncc);
+ send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
new_state(PORT_STATE_RELEASE);
- trigger_work(&p_m_g_delete);
+ trigger_work(&p_g_delete);
return;
}
- p_m_g_callref = callref;
+ p_g_callref = callref;
end_trace();
- /* if blocked, release call with MT_RELEASE_COMPLETE */
- if (p_m_mISDNport->ifport->block) {
- mncc = create_mncc(MNCC_REJ_REQ, p_m_g_callref);
- gsm_trace_header(p_m_mISDNport, this, MNCC_REJ_REQ, DIRECTION_OUT);
- mncc->fields |= MNCC_F_CAUSE;
- mncc->cause.coding = 3;
- mncc->cause.location = 1;
- mncc->cause.value = 27;
- add_trace("cause", "coding", "%d", mncc->cause.coding);
- add_trace("cause", "location", "%d", mncc->cause.location);
- add_trace("cause", "value", "%d", mncc->cause.value);
- add_trace("reason", NULL, "port is blocked");
- end_trace();
- send_and_free_mncc(p_m_g_instance, mncc->msg_type, mncc);
- new_state(PORT_STATE_RELEASE);
- trigger_work(&p_m_g_delete);
- return;
- }
-
/* caller info */
if (mncc->clir.inv)
p_callerinfo.present = INFO_PRESENT_RESTRICTED;
SCPY(p_callerinfo.imsi, mncc->imsi);
p_callerinfo.screen = INFO_SCREEN_NETWORK;
p_callerinfo.ntype = INFO_NTYPE_UNKNOWN;
- p_callerinfo.isdn_port = p_m_portnum;
- SCPY(p_callerinfo.interface, p_m_mISDNport->ifport->interface->name);
+ SCPY(p_callerinfo.interface, p_g_interface_name);
/* dialing information */
SCAT(p_dialinginfo.id, mncc->called.number);
p_dialinginfo.sending_complete = 1;
/* bearer capability */
- // todo
p_capainfo.bearer_capa = INFO_BC_SPEECH;
p_capainfo.bearer_info1 = (options.law=='a')?3:2;
p_capainfo.bearer_mode = INFO_BMODE_CIRCUIT;
p_capainfo.source_mode = B_MODE_TRANSPARENT;
- p_m_g_mode = p_capainfo.source_mode;
-
- /* useruser */
-
- /* hunt channel */
- ret = channel = hunt_bchannel();
- if (ret < 0)
- goto no_channel;
-
- /* open channel */
- ret = seize_bchannel(channel, 1);
- if (ret < 0) {
- no_channel:
- mncc = create_mncc(MNCC_REJ_REQ, p_m_g_callref);
- gsm_trace_header(p_m_mISDNport, this, MNCC_REJ_REQ, DIRECTION_OUT);
+ p_g_mode = p_capainfo.source_mode;
+
+ /* get list of offered payload types
+ * if list ist empty, the FR V1 is selected */
+ select_payload_type(mncc, payload_types, media_types, &payloads, sizeof(payload_types));
+ /* if no given payload type is supported, we assume */
+ if (!payloads) {
+ media_types[0] = MEDIA_TYPE_GSM;
+ payload_types[0] = PAYLOAD_TYPE_GSM;
+ payloads = 1;
+ }
+#if 0
+ /* if no given payload type is supported, we reject the call */
+ if (!payloads) {
+ mncc = create_mncc(MNCC_REJ_REQ, callref);
+ gsm_trace_header(p_g_interface_name, this, MNCC_REJ_REQ, DIRECTION_OUT);
mncc->fields |= MNCC_F_CAUSE;
mncc->cause.coding = 3;
mncc->cause.location = 1;
- mncc->cause.value = 34;
+ mncc->cause.value = 65;
add_trace("cause", "coding", "%d", mncc->cause.coding);
add_trace("cause", "location", "%d", mncc->cause.location);
add_trace("cause", "value", "%d", mncc->cause.value);
- add_trace("reason", NULL, "no channel");
+ add_trace("reason", NULL, "Given speech codec(s) not supported");
end_trace();
- send_and_free_mncc(p_m_g_instance, mncc->msg_type, mncc);
+ send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
new_state(PORT_STATE_RELEASE);
- trigger_work(&p_m_g_delete);
+ trigger_work(&p_g_delete);
return;
}
- bchannel_event(p_m_mISDNport, p_m_b_index, B_EVENT_USE);
- if (bchannel_open(p_m_b_index))
- goto no_channel;
+#endif
+
+ /* useruser */
/* what infos did we got ... */
- gsm_trace_header(p_m_mISDNport, this, msg_type, DIRECTION_IN);
+ gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
if (p_callerinfo.id[0])
add_trace("calling", "number", "%s", p_callerinfo.id);
else
FATAL("Incoming call but already got an endpoint.\n");
if (!(epoint = new Endpoint(p_serial, 0)))
FATAL("No memory for Endpoint instance\n");
- if (!(epoint->ep_app = new DEFAULT_ENDPOINT_APP(epoint, 0))) //incoming
- FATAL("No memory for Endpoint Application instance\n");
+ epoint->ep_app = new_endpointapp(epoint, 0, interface->app); //incoming
epointlist_new(epoint->ep_serial);
- /* modify lchan to GSM codec V1 */
- gsm_trace_header(p_m_mISDNport, this, MNCC_LCHAN_MODIFY, DIRECTION_OUT);
- mode = create_mncc(MNCC_LCHAN_MODIFY, p_m_g_callref);
- mode->lchan_mode = 0x01; /* GSM V1 */
- add_trace("mode", NULL, "0x%02x", mode->lchan_mode);
- end_trace();
- send_and_free_mncc(p_m_g_instance, mode->msg_type, mode);
+ /* modify lchan in case of no rtp bridge */
+ if (!p_g_rtp_bridge)
+ modify_lchan(media_types[0]);
/* send call proceeding */
- gsm_trace_header(p_m_mISDNport, this, MNCC_CALL_PROC_REQ, DIRECTION_OUT);
- proceeding = create_mncc(MNCC_CALL_PROC_REQ, p_m_g_callref);
- if (p_m_mISDNport->tones) {
+ gsm_trace_header(p_g_interface_name, this, MNCC_CALL_PROC_REQ, DIRECTION_OUT);
+ proceeding = create_mncc(MNCC_CALL_PROC_REQ, p_g_callref);
+ if (p_g_tones) {
proceeding->fields |= MNCC_F_PROGRESS;
proceeding->progress.coding = 3; /* GSM */
proceeding->progress.location = 1;
add_trace("progress", "descr", "%d", proceeding->progress.descr);
}
end_trace();
- send_and_free_mncc(p_m_g_instance, proceeding->msg_type, proceeding);
+ send_and_free_mncc(p_g_lcr_gsm, proceeding->msg_type, proceeding);
new_state(PORT_STATE_IN_PROCEEDING);
- if (p_m_mISDNport->tones && !p_m_g_tch_connected) { /* only if ... */
- gsm_trace_header(p_m_mISDNport, this, MNCC_FRAME_RECV, DIRECTION_OUT);
+ if (p_g_tones && !p_g_tch_connected) { /* only if ... */
+ gsm_trace_header(p_g_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
end_trace();
- frame = create_mncc(MNCC_FRAME_RECV, p_m_g_callref);
- send_and_free_mncc(p_m_g_instance, frame->msg_type, frame);
- p_m_g_tch_connected = 1;
+ frame = create_mncc(MNCC_FRAME_RECV, p_g_callref);
+ send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
+ p_g_tch_connected = 1;
}
/* send setup message to endpoit */
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_SETUP);
- message->param.setup.isdn_port = p_m_portnum;
message->param.setup.port_type = p_type;
// message->param.setup.dtmf = 0;
memcpy(&message->param.setup.dialinginfo, &p_dialinginfo, sizeof(struct dialing_info));
SCPY((char *)message->param.setup.useruser.data, (char *)mncc->useruser.info);
message->param.setup.useruser.len = strlen(mncc->useruser.info);
message->param.setup.useruser.protocol = mncc->useruser.proto;
- message_put(message);
+ if (p_g_rtp_bridge) {
+ struct gsm_mncc_rtp *rtp;
+ int i;
+
+ PDEBUG(DEBUG_GSM, "Request RTP peer info, before forwarding setup\n");
+ p_g_setup_pending = message;
+ rtp = (struct gsm_mncc_rtp *) create_mncc(MNCC_RTP_CREATE, p_g_callref);
+ send_and_free_mncc(p_g_lcr_gsm, rtp->msg_type, rtp);
+
+ for (i = 0; i < (int)sizeof(message->param.setup.rtpinfo.payload_types) && i < payloads; i++) {
+ message->param.setup.rtpinfo.media_types[i] = media_types[i];
+ message->param.setup.rtpinfo.payload_types[i] = payload_types[i];
+ message->param.setup.rtpinfo.payloads++;
+ }
+
+ } else
+ message_put(message);
+
}
/*
* BSC sends message to port
*/
-static int message_bsc(struct gsm_network *net, int msg_type, void *arg)
+int message_bsc(struct lcr_gsm *lcr_gsm, int msg_type, void *arg)
{
struct gsm_mncc *mncc = (struct gsm_mncc *)arg;
unsigned int callref = mncc->callref;
class Port *port;
class Pgsm_bs *pgsm_bs = NULL;
char name[64];
- struct mISDNport *mISDNport;
+// struct mISDNport *mISDNport;
/* Special messages */
switch(msg_type) {
while(port) {
if ((port->p_type & PORT_CLASS_GSM_MASK) == PORT_CLASS_GSM_BS) {
pgsm_bs = (class Pgsm_bs *)port;
- if (pgsm_bs->p_m_g_callref == callref) {
+ if (pgsm_bs->p_g_callref == callref) {
break;
}
}
port = port->next;
}
- if (msg_type == GSM_TCHF_FRAME) {
+ if (msg_type == GSM_TCHF_FRAME
+ || msg_type == GSM_BAD_FRAME) {
if (port) {
/* inject DTMF, if enabled */
- if (pgsm_bs->p_m_g_dtmf) {
+ if (pgsm_bs->p_g_dtmf) {
unsigned char data[160];
int i;
for (i = 0; i < 160; i++) {
- data[i] = pgsm_bs->p_m_g_dtmf[pgsm_bs->p_m_g_dtmf_index++];
- if (pgsm_bs->p_m_g_dtmf_index == 8000)
- pgsm_bs->p_m_g_dtmf_index = 0;
+ data[i] = pgsm_bs->p_g_dtmf[pgsm_bs->p_g_dtmf_index++];
+ if (pgsm_bs->p_g_dtmf_index == 8000)
+ pgsm_bs->p_g_dtmf_index = 0;
}
/* send */
- pgsm_bs->bchannel_send(PH_DATA_REQ, 0, data, 160);
+ pgsm_bs->bridge_tx(data, 160);
} else
pgsm_bs->frame_receive(arg);
+ /* if we do not bridge we need to inject audio, if available */
+ if (!pgsm_bs->p_bridge || pgsm_bs->p_tone_name[0]) {
+ unsigned char data[160];
+ int i;
+
+ i = pgsm_bs->read_audio(data, 160);
+ if (i)
+ pgsm_bs->audio_send(data, i);
+ }
}
return 0;
}
if (!port) {
+ struct interface *interface;
+
if (msg_type != MNCC_SETUP_IND)
return(0);
- /* find gsm port */
- mISDNport = mISDNport_first;
- while(mISDNport) {
- if (mISDNport->gsm_bs)
- break;
- mISDNport = mISDNport->next;
- }
- if (!mISDNport) {
+
+ interface = getinterfacebyname(lcr_gsm->interface_name);
+ if (!interface) {
struct gsm_mncc *rej;
rej = create_mncc(MNCC_REJ_REQ, callref);
add_trace("cause", "coding", "%d", rej->cause.coding);
add_trace("cause", "location", "%d", rej->cause.location);
add_trace("cause", "value", "%d", rej->cause.value);
+ add_trace("reason", NULL, "interface %s not found", lcr_gsm->interface_name);
end_trace();
- send_and_free_mncc(gsm->network, rej->msg_type, rej);
+ send_and_free_mncc(lcr_gsm, rej->msg_type, rej);
return 0;
}
/* creating port object, transparent until setup with hdlc */
- SPRINT(name, "%s-%d-in", mISDNport->ifport->interface->name, mISDNport->portnum);
- if (!(pgsm_bs = new Pgsm_bs(PORT_TYPE_GSM_BS_IN, mISDNport, name, NULL, 0, 0, B_MODE_TRANSPARENT)))
-
+ SPRINT(name, "%s-%d-in", interface->name, 0);
+ if (!(pgsm_bs = new Pgsm_bs(PORT_TYPE_GSM_BS_IN, name, NULL, interface)))
FATAL("Cannot create Port instance.\n");
}
pgsm_bs->setup_ind(msg_type, callref, mncc);
break;
+ case MNCC_RTP_CREATE:
+ pgsm_bs->rtp_create_ind(msg_type, callref, mncc);
+ break;
+
+ case MNCC_RTP_CONNECT:
+ pgsm_bs->rtp_connect_ind(msg_type, callref, mncc);
+ break;
+
case MNCC_START_DTMF_IND:
pgsm_bs->start_dtmf_ind(msg_type, callref, mncc);
break;
void Pgsm_bs::message_setup(unsigned int epoint_id, int message_id, union parameter *param)
{
struct lcr_msg *message;
- int ret;
struct epoint_list *epointlist;
struct gsm_mncc *mncc;
- int channel;
/* copy setup infos to port */
memcpy(&p_callerinfo, ¶m->setup.callerinfo, sizeof(p_callerinfo));
memcpy(&p_capainfo, ¶m->setup.capainfo, sizeof(p_capainfo));
memcpy(&p_redirinfo, ¶m->setup.redirinfo, sizeof(p_redirinfo));
- /* no number */
- if (!p_dialinginfo.id[0]) {
- gsm_trace_header(p_m_mISDNport, this, MNCC_SETUP_REQ, DIRECTION_OUT);
- add_trace("failure", NULL, "No dialed subscriber given.");
+ /* no GSM MNCC connection */
+ if (p_g_lcr_gsm->mncc_lfd.fd < 0) {
+ gsm_trace_header(p_g_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
+ add_trace("failure", NULL, "No MNCC connection.");
end_trace();
message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
- message->param.disconnectinfo.cause = 28;
+ message->param.disconnectinfo.cause = 41; // temp. failure.
message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
message_put(message);
new_state(PORT_STATE_RELEASE);
- trigger_work(&p_m_g_delete);
+ trigger_work(&p_g_delete);
return;
}
-
- /* release if port is blocked */
- if (p_m_mISDNport->ifport->block) {
- gsm_trace_header(p_m_mISDNport, this, MNCC_SETUP_REQ, DIRECTION_OUT);
- add_trace("failure", NULL, "Port blocked.");
+
+ /* no number */
+ if (!p_dialinginfo.id[0]) {
+ gsm_trace_header(p_g_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
+ add_trace("failure", NULL, "No dialed subscriber given.");
end_trace();
message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
- message->param.disconnectinfo.cause = 27; // temp. unavail.
+ message->param.disconnectinfo.cause = 28;
message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
message_put(message);
new_state(PORT_STATE_RELEASE);
- trigger_work(&p_m_g_delete);
+ trigger_work(&p_g_delete);
return;
}
- /* hunt channel */
- ret = channel = hunt_bchannel();
- if (ret < 0)
- goto no_channel;
- /* open channel */
- ret = seize_bchannel(channel, 1);
- if (ret < 0) {
- no_channel:
- gsm_trace_header(p_m_mISDNport, this, MNCC_SETUP_REQ, DIRECTION_OUT);
- add_trace("failure", NULL, "No internal audio channel available.");
+ /* unsupported codec for RTP bridge */
+ if (param->setup.rtpinfo.port) {
+ int i;
+
+ p_g_rtp_payloads = 0;
+ gsm_trace_header(p_g_interface_name, this, 1 /* codec negotioation */, DIRECTION_NONE);
+ for (i = 0; i < param->setup.rtpinfo.payloads; i++) {
+ switch (param->setup.rtpinfo.media_types[i]) {
+ case MEDIA_TYPE_GSM:
+ case MEDIA_TYPE_GSM_EFR:
+ case MEDIA_TYPE_AMR:
+ case MEDIA_TYPE_GSM_HR:
+ add_trace("rtp", "payload", "%s:%d supported", media_type2name(param->setup.rtpinfo.media_types[i]), param->setup.rtpinfo.payload_types[i]);
+ if (p_g_rtp_payloads < (int)sizeof(p_g_rtp_payload_types)) {
+ p_g_rtp_media_types[p_g_rtp_payloads] = param->setup.rtpinfo.media_types[i];
+ p_g_rtp_payload_types[p_g_rtp_payloads] = param->setup.rtpinfo.payload_types[i];
+ p_g_rtp_payloads++;
+ }
+ break;
+ default:
+ add_trace("rtp", "payload", "%s:%d unsupported", media_type2name(param->setup.rtpinfo.media_types[i]), param->setup.rtpinfo.payload_types[i]);
+ }
+ }
end_trace();
- message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
- message->param.disconnectinfo.cause = 34;
- message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
- message_put(message);
- new_state(PORT_STATE_RELEASE);
- trigger_work(&p_m_g_delete);
- return;
+ if (!p_g_rtp_payloads) {
+ gsm_trace_header(p_g_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
+ add_trace("failure", NULL, "No payload given that is supported by GSM");
+ end_trace();
+ message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
+ message->param.disconnectinfo.cause = 65;
+ message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
+ message_put(message);
+ new_state(PORT_STATE_RELEASE);
+ trigger_work(&p_g_delete);
+ return;
+ }
}
- bchannel_event(p_m_mISDNport, p_m_b_index, B_EVENT_USE);
- if (bchannel_open(p_m_b_index))
- goto no_channel;
// SCPY(&p_m_tones_dir, param->setup.ext.tones_dir);
/* screen outgoing caller id */
- do_screen(1, p_callerinfo.id, sizeof(p_callerinfo.id), &p_callerinfo.ntype, &p_callerinfo.present, p_m_mISDNport->ifport->interface);
+ do_screen(1, p_callerinfo.id, sizeof(p_callerinfo.id), &p_callerinfo.ntype, &p_callerinfo.present, p_g_interface_name);
/* attach only if not already */
epointlist = p_epointlist;
epointlist_new(epoint_id);
/* creating l3id */
- l1l2l3_trace_header(p_m_mISDNport, this, L3_NEW_L3ID_REQ, DIRECTION_OUT);
- p_m_g_callref = new_callref++;
- add_trace("callref", "new", "0x%x", p_m_g_callref);
+ gsm_trace_header(p_g_interface_name, this, 0, DIRECTION_OUT);
+ p_g_callref = new_callref++;
+ add_trace("callref", "new", "0x%x", p_g_callref);
end_trace();
- gsm_trace_header(p_m_mISDNport, this, MNCC_SETUP_REQ, DIRECTION_OUT);
- mncc = create_mncc(MNCC_SETUP_REQ, p_m_g_callref);
+ gsm_trace_header(p_g_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
+ mncc = create_mncc(MNCC_SETUP_REQ, p_g_callref);
/* caller information */
mncc->fields |= MNCC_F_CALLING;
mncc->calling.plan = 1;
add_trace("redir", "screen", "%d", mncc->redirecting.screen);
add_trace("redir", "number", "%s", mncc->redirecting.number);
}
- /* bearer capability */
- //todo
end_trace();
- send_and_free_mncc(p_m_g_instance, mncc->msg_type, mncc);
+ send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
new_state(PORT_STATE_OUT_SETUP);
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_PROCEEDING);
message_put(message);
- new_state(PORT_STATE_OUT_PROCEEDING);
+ /* RTP bridge */
+ if (param->setup.rtpinfo.port) {
+ p_g_rtp_bridge = 1;
+ p_g_rtp_ip_remote = param->setup.rtpinfo.ip;
+ p_g_rtp_port_remote = param->setup.rtpinfo.port;
+ } else
+ p_g_rtp_bridge = 0;
}
/*
int gsm_bs_exit(int rc)
{
/* free gsm instance */
- if (gsm) {
- /* shutdown network */
- if (gsm->network)
- bsc_shutdown_net((struct gsm_network *)gsm->network);
- /* free network */
-// if (gsm->network) {
-// free((struct gsm_network *)gsm->network); /* TBD */
-// }
+ if (gsm_bs) {
+ if (gsm_bs->mncc_lfd.fd > -1) {
+ close(gsm_bs->mncc_lfd.fd);
+ unregister_fd(&gsm_bs->mncc_lfd);
+ }
+
+ del_timer(&gsm_bs->socket_retry);
+ free(gsm_bs);
+ gsm_bs = NULL;
}
+
return(rc);
}
-int gsm_bs_init(void)
+int gsm_bs_init(struct interface *interface)
{
- char hlr[128], cfg[128], filename[128];
- mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
- int pcapfd, rc;
-
- vty_info.copyright = openbsc_copyright;
-
- log_init(&log_info);
- tall_bsc_ctx = talloc_named_const(NULL, 1, "openbsc");
- talloc_ctx_init();
- on_dso_load_token();
- on_dso_load_rrlp();
- on_dso_load_ho_dec();
- stderr_target = log_target_create_stderr();
- log_add_target(stderr_target);
-
- bts_model_unknown_init();
- bts_model_bs11_init();
- bts_model_nanobts_init();
-
- /* enable filters */
- log_set_all_filter(stderr_target, 1);
-
- /* Init VTY (need to preceed options) */
- vty_init(&vty_info);
- bsc_vty_init();
-
- /* set debug */
- if (gsm->conf.debug[0])
- log_parse_category_mask(stderr_target, gsm->conf.debug);
-
- /* open pcap file */
- if (gsm->conf.pcapfile[0]) {
- if (gsm->conf.pcapfile[0] == '/')
- SCPY(filename, gsm->conf.pcapfile);
- else
- SPRINT(filename, "%s/%s", CONFIG_DATA, gsm->conf.pcapfile);
- pcapfd = open(filename, O_WRONLY|O_TRUNC|O_CREAT, mode);
- if (pcapfd < 0) {
- PERROR("Failed to open file for pcap\n");
- return gsm_exit(-1);
- }
- e1_set_pcap_fd(pcapfd);
- }
+ /* create gsm instance */
+ gsm_bs = (struct lcr_gsm *)MALLOC(sizeof(struct lcr_gsm));
- /* use RTP proxy for audio streaming */
- ipacc_rtp_direct = 0;
+ SCPY(gsm_bs->interface_name, interface->name);
+ gsm_bs->type = LCR_GSM_TYPE_NETWORK;
+ gsm_bs->sun.sun_family = AF_UNIX;
+ SCPY(gsm_bs->sun.sun_path, "/tmp/bsc_mncc");
- /* bootstrap network */
- if (gsm->conf.openbsc_cfg[0] == '/')
- SCPY(cfg, gsm->conf.openbsc_cfg);
- else
- SPRINT(cfg, "%s/%s", CONFIG_DATA, gsm->conf.openbsc_cfg);
- rc = bsc_bootstrap_network(&message_bsc, cfg);
- if (rc < 0) {
- PERROR("Failed to bootstrap GSM network.\n");
- return gsm_exit(-1);
- }
- bsc_api_init(bsc_gsmnet, msc_bsc_api());
- gsm->network = bsc_gsmnet;
-
- /* init database */
- if (gsm->conf.hlr[0] == '/')
- SCPY(hlr, gsm->conf.hlr);
- else
- SPRINT(hlr, "%s/%s", CONFIG_DATA, gsm->conf.hlr);
- if (db_init(hlr)) {
- PERROR("GSM DB: Failed to init database '%s'. Please check the option settings.\n", hlr);
- return gsm_exit(-1);
- }
- printf("DB: Database initialized.\n");
- if (db_prepare()) {
- PERROR("GSM DB: Failed to prepare database.\n");
- return gsm_exit(-1);
- }
- printf("DB: Database prepared.\n");
+ memset(&gsm_bs->socket_retry, 0, sizeof(gsm_bs->socket_retry));
+ add_timer(&gsm_bs->socket_retry, mncc_socket_retry_cb, gsm_bs, 0);
- /* setup the timer */
- db_sync_timer.cb = db_sync_timer_cb;
- db_sync_timer.data = NULL;
- bsc_schedule_timer(&db_sync_timer, DB_SYNC_INTERVAL);
+ /* do the initial connect */
+ mncc_socket_retry_cb(&gsm_bs->socket_retry, gsm_bs, 0);
generate_dtmf();
return 0;
}
-
-/*
- * handles bsc select function within LCR's main loop
- */
-int handle_gsm_bs(void)
-{
- int ret1, ret2;
-
- ret1 = bsc_upqueue((struct gsm_network *)gsm->network);
- log_reset_context();
- ret2 = bsc_select_main(1); /* polling */
- if (ret1 || ret2)
- return 1;
- return 0;
-}
-
projects / lcr.git / blobdiff