+/*****************************************************************************\
+** **
+** LCR **
+** **
+**---------------------------------------------------------------------------**
+** Copyright: Andreas Eversberg **
+** **
+** mISDN gsm (BS mode) **
+** **
+\*****************************************************************************/
+
+#include "main.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>
+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;
+
+/* timer to store statistics */
+#define DB_SYNC_INTERVAL 60, 0
+static struct timer_list db_sync_timer;
+}
+
+/* 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);
+}
+
+/*
+ * 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)
+{
+ p_m_g_instance = gsm->network;
+ PDEBUG(DEBUG_GSM, "Created new GSMBSPort(%s).\n", portname);
+}
+
+/*
+ * destructor
+ */
+Pgsm_bs::~Pgsm_bs()
+{
+ PDEBUG(DEBUG_GSM, "Destroyed GSM BS process(%s).\n", p_name);
+}
+
+/* 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);
+ 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);
+ add_trace("keypad", NULL, "%c", mncc->keypad);
+ end_trace();
+ resp = create_mncc(MNCC_START_DTMF_RSP, p_m_g_callref);
+ resp->keypad = mncc->keypad;
+ send_and_free_mncc(p_m_g_instance, resp->msg_type, resp);
+
+ /* 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);
+}
+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);
+ add_trace("keypad", NULL, "%c", mncc->keypad);
+ end_trace();
+
+ /* send resp */
+ gsm_trace_header(p_m_mISDNport, 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->keypad = mncc->keypad;
+ send_and_free_mncc(p_m_g_instance, resp->msg_type, resp);
+}
+
+/* HOLD INDICATION */
+void Pgsm_bs::hold_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
+{
+ struct lcr_msg *message;
+ struct gsm_mncc *resp, *frame;
+
+ gsm_trace_header(p_m_mISDNport, this, msg_type, DIRECTION_IN);
+ end_trace();
+
+ /* notify the hold of call */
+ message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_NOTIFY);
+ message->param.notifyinfo.notify = INFO_NOTIFY_REMOTE_HOLD;
+ message->param.notifyinfo.local = 1; /* call is held by supplementary service */
+ message_put(message);
+
+ /* acknowledge hold */
+ gsm_trace_header(p_m_mISDNport, 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);
+
+ /* disable audio */
+ if (p_m_g_tch_connected) { /* it should be true */
+ gsm_trace_header(p_m_mISDNport, 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;
+ }
+}
+
+
+/* RETRIEVE INDICATION */
+void Pgsm_bs::retr_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
+{
+ struct lcr_msg *message;
+ struct gsm_mncc *resp, *frame;
+
+ gsm_trace_header(p_m_mISDNport, this, msg_type, DIRECTION_IN);
+ end_trace();
+
+ /* notify the retrieve of call */
+ message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_NOTIFY);
+ message->param.notifyinfo.notify = INFO_NOTIFY_REMOTE_RETRIEVAL;
+ message->param.notifyinfo.local = 1; /* call is retrieved by supplementary service */
+ message_put(message);
+
+ /* acknowledge retr */
+ gsm_trace_header(p_m_mISDNport, 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);
+
+ /* enable audio */
+ if (!p_m_g_tch_connected) { /* it should be true */
+ gsm_trace_header(p_m_mISDNport, 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;
+ }
+}
+
+/*
+ * handles all indications
+ */
+/* 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;
+
+ /* process given callref */
+ l1l2l3_trace_header(p_m_mISDNport, this, L3_NEW_L3ID_IND, DIRECTION_IN);
+ add_trace("callref", "new", "0x%x", callref);
+ if (p_m_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);
+ mncc->fields |= MNCC_F_CAUSE;
+ mncc->cause.coding = 3;
+ mncc->cause.location = 1;
+ mncc->cause.value = 47;
+ 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, "callref already in use");
+ 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;
+ }
+ p_m_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;
+ else
+ p_callerinfo.present = INFO_PRESENT_ALLOWED;
+ if (mncc->calling.number[0])
+ SCPY(p_callerinfo.id, mncc->calling.number);
+ else
+ p_callerinfo.present = INFO_PRESENT_NOTAVAIL;
+ 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);
+
+ /* dialing information */
+ SCAT(p_dialinginfo.id, mncc->called.number);
+ switch (mncc->called.type) {
+ case 0x1:
+ p_dialinginfo.ntype = INFO_NTYPE_INTERNATIONAL;
+ break;
+ case 0x2:
+ p_dialinginfo.ntype = INFO_NTYPE_NATIONAL;
+ break;
+ case 0x4:
+ p_dialinginfo.ntype = INFO_NTYPE_SUBSCRIBER;
+ break;
+ default:
+ p_dialinginfo.ntype = INFO_NTYPE_UNKNOWN;
+ break;
+ }
+ if (mncc->emergency) {
+ SCPY(p_dialinginfo.id, "emergency");
+ }
+ 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);
+ mncc->fields |= MNCC_F_CAUSE;
+ mncc->cause.coding = 3;
+ mncc->cause.location = 1;
+ mncc->cause.value = 34;
+ 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");
+ 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;
+ }
+ bchannel_event(p_m_mISDNport, p_m_b_index, B_EVENT_USE);
+ if (bchannel_open(p_m_b_index))
+ goto no_channel;
+
+ /* what infos did we got ... */
+ gsm_trace_header(p_m_mISDNport, this, msg_type, DIRECTION_IN);
+ if (p_callerinfo.id[0])
+ add_trace("calling", "number", "%s", p_callerinfo.id);
+ else
+ SPRINT(p_callerinfo.id, "imsi-%s", p_callerinfo.imsi);
+ add_trace("calling", "imsi", "%s", p_callerinfo.imsi);
+ add_trace("dialing", "number", "%s", p_dialinginfo.id);
+ end_trace();
+
+ /* create endpoint */
+ if (p_epointlist)
+ 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");
+ 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);
+
+ /* 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) {
+ proceeding->fields |= MNCC_F_PROGRESS;
+ proceeding->progress.coding = 3; /* GSM */
+ proceeding->progress.location = 1;
+ proceeding->progress.descr = 8;
+ add_trace("progress", "coding", "%d", proceeding->progress.coding);
+ add_trace("progress", "location", "%d", proceeding->progress.location);
+ add_trace("progress", "descr", "%d", proceeding->progress.descr);
+ }
+ end_trace();
+ send_and_free_mncc(p_m_g_instance, 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);
+ 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;
+ }
+
+ /* 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));
+ memcpy(&message->param.setup.callerinfo, &p_callerinfo, sizeof(struct caller_info));
+ memcpy(&message->param.setup.capainfo, &p_capainfo, sizeof(struct capa_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);
+}
+
+/*
+ * BSC sends message to port
+ */
+static int message_bsc(struct gsm_network *net, 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;
+
+ /* Special messages */
+ switch(msg_type) {
+ }
+
+ /* find callref */
+ callref = mncc->callref;
+ port = port_first;
+ 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) {
+ break;
+ }
+ }
+ port = port->next;
+ }
+
+ if (msg_type == GSM_TCHF_FRAME) {
+ if (port)
+ pgsm_bs->frame_receive((struct gsm_trau_frame *)arg);
+ return 0;
+ }
+
+ if (!port) {
+ 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) {
+ struct gsm_mncc *rej;
+
+ rej = create_mncc(MNCC_REJ_REQ, callref);
+ rej->fields |= MNCC_F_CAUSE;
+ rej->cause.coding = 3;
+ rej->cause.location = 1;
+ rej->cause.value = 27;
+ gsm_trace_header(NULL, NULL, MNCC_REJ_REQ, DIRECTION_OUT);
+ add_trace("cause", "coding", "%d", rej->cause.coding);
+ add_trace("cause", "location", "%d", rej->cause.location);
+ add_trace("cause", "value", "%d", rej->cause.value);
+ end_trace();
+ send_and_free_mncc(gsm->network, 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)))
+
+ FATAL("Cannot create Port instance.\n");
+ }
+
+ switch(msg_type) {
+ case MNCC_SETUP_IND:
+ pgsm_bs->setup_ind(msg_type, callref, mncc);
+ break;
+
+ case MNCC_START_DTMF_IND:
+ pgsm_bs->start_dtmf_ind(msg_type, callref, mncc);
+ break;
+
+ case MNCC_STOP_DTMF_IND:
+ pgsm_bs->stop_dtmf_ind(msg_type, callref, mncc);
+ break;
+
+ case MNCC_CALL_CONF_IND:
+ pgsm_bs->call_conf_ind(msg_type, callref, mncc);
+ break;
+
+ case MNCC_ALERT_IND:
+ pgsm_bs->alert_ind(msg_type, callref, mncc);
+ break;
+
+ case MNCC_SETUP_CNF:
+ pgsm_bs->setup_cnf(msg_type, callref, mncc);
+ break;
+
+ case MNCC_SETUP_COMPL_IND:
+ pgsm_bs->setup_compl_ind(msg_type, callref, mncc);
+ break;
+
+ case MNCC_DISC_IND:
+ pgsm_bs->disc_ind(msg_type, callref, mncc);
+ break;
+
+ case MNCC_REL_IND:
+ case MNCC_REL_CNF:
+ case MNCC_REJ_IND:
+ pgsm_bs->rel_ind(msg_type, callref, mncc);
+ break;
+
+ case MNCC_NOTIFY_IND:
+ pgsm_bs->notify_ind(msg_type, callref, mncc);
+ break;
+
+ case MNCC_HOLD_IND:
+ pgsm_bs->hold_ind(msg_type, callref, mncc);
+ break;
+
+ case MNCC_RETRIEVE_IND:
+ pgsm_bs->retr_ind(msg_type, callref, mncc);
+ break;
+
+ default:
+ PDEBUG(DEBUG_GSM, "Pgsm_bs(%s) gsm port with (caller id %s) received unhandled nessage: 0x%x\n", pgsm_bs->p_name, pgsm_bs->p_callerinfo.id, msg_type);
+ }
+ return(0);
+}
+
+/* MESSAGE_SETUP */
+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_dialinginfo, ¶m->setup.dialinginfo, sizeof(p_dialinginfo));
+ 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.");
+ end_trace();
+ message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
+ 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);
+ 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.");
+ end_trace();
+ message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
+ message->param.disconnectinfo.cause = 27; // temp. unavail.
+ message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
+ message_put(message);
+ new_state(PORT_STATE_RELEASE);
+ trigger_work(&p_m_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.");
+ 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;
+ }
+ 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);
+
+ /* attach only if not already */
+ epointlist = p_epointlist;
+ while(epointlist) {
+ if (epointlist->epoint_id == epoint_id)
+ break;
+ epointlist = epointlist->next;
+ }
+ if (!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);
+ end_trace();
+
+ gsm_trace_header(p_m_mISDNport, this, MNCC_SETUP_REQ, DIRECTION_OUT);
+ mncc = create_mncc(MNCC_SETUP_REQ, p_m_g_callref);
+ /* caller information */
+ mncc->fields |= MNCC_F_CALLING;
+ mncc->calling.plan = 1;
+ switch (p_callerinfo.ntype) {
+ case INFO_NTYPE_UNKNOWN:
+ mncc->calling.type = 0x0;
+ break;
+ case INFO_NTYPE_INTERNATIONAL:
+ mncc->calling.type = 0x1;
+ break;
+ case INFO_NTYPE_NATIONAL:
+ mncc->calling.type = 0x2;
+ break;
+ case INFO_NTYPE_SUBSCRIBER:
+ mncc->calling.type = 0x4;
+ break;
+ default: /* INFO_NTYPE_NOTPRESENT */
+ mncc->fields &= ~MNCC_F_CALLING;
+ break;
+ }
+ switch (p_callerinfo.screen) {
+ case INFO_SCREEN_USER:
+ mncc->calling.screen = 0;
+ break;
+ default: /* INFO_SCREEN_NETWORK */
+ mncc->calling.screen = 3;
+ break;
+ }
+ switch (p_callerinfo.present) {
+ case INFO_PRESENT_ALLOWED:
+ mncc->calling.present = 0;
+ break;
+ case INFO_PRESENT_RESTRICTED:
+ mncc->calling.present = 1;
+ break;
+ default: /* INFO_PRESENT_NOTAVAIL */
+ mncc->calling.present = 2;
+ break;
+ }
+ if (mncc->fields & MNCC_F_CALLING) {
+ SCPY(mncc->calling.number, p_callerinfo.id);
+ add_trace("calling", "type", "%d", mncc->calling.type);
+ add_trace("calling", "plan", "%d", mncc->calling.plan);
+ add_trace("calling", "present", "%d", mncc->calling.present);
+ add_trace("calling", "screen", "%d", mncc->calling.screen);
+ add_trace("calling", "number", "%s", mncc->calling.number);
+ }
+ /* dialing information */
+ mncc->fields |= MNCC_F_CALLED;
+ if (!strncmp(p_dialinginfo.id, "imsi-", 5)) {
+ SCPY(mncc->imsi, p_dialinginfo.id+5);
+ add_trace("dialing", "imsi", "%s", mncc->imsi);
+ } else {
+ SCPY(mncc->called.number, p_dialinginfo.id);
+ add_trace("dialing", "number", "%s", mncc->called.number);
+ }
+
+ /* sending user-user */
+
+ /* redirecting number */
+ mncc->fields |= MNCC_F_REDIRECTING;
+ mncc->redirecting.plan = 1;
+ switch (p_redirinfo.ntype) {
+ case INFO_NTYPE_UNKNOWN:
+ mncc->redirecting.type = 0x0;
+ break;
+ case INFO_NTYPE_INTERNATIONAL:
+ mncc->redirecting.type = 0x1;
+ break;
+ case INFO_NTYPE_NATIONAL:
+ mncc->redirecting.type = 0x2;
+ break;
+ case INFO_NTYPE_SUBSCRIBER:
+ mncc->redirecting.type = 0x4;
+ break;
+ default: /* INFO_NTYPE_NOTPRESENT */
+ mncc->fields &= ~MNCC_F_REDIRECTING;
+ break;
+ }
+ switch (p_redirinfo.screen) {
+ case INFO_SCREEN_USER:
+ mncc->redirecting.screen = 0;
+ break;
+ default: /* INFO_SCREE_NETWORK */
+ mncc->redirecting.screen = 3;
+ break;
+ }
+ switch (p_redirinfo.present) {
+ case INFO_PRESENT_ALLOWED:
+ mncc->redirecting.present = 0;
+ break;
+ case INFO_PRESENT_RESTRICTED:
+ mncc->redirecting.present = 1;
+ break;
+ default: /* INFO_PRESENT_NOTAVAIL */
+ mncc->redirecting.present = 2;
+ break;
+ }
+ /* sending redirecting number only in ntmode */
+ if (mncc->fields & MNCC_F_REDIRECTING) {
+ SCPY(mncc->redirecting.number, p_redirinfo.id);
+ add_trace("redir", "type", "%d", mncc->redirecting.type);
+ add_trace("redir", "plan", "%d", mncc->redirecting.plan);
+ add_trace("redir", "present", "%d", mncc->redirecting.present);
+ 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);
+
+ 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);
+}
+
+/*
+ * endpoint sends messages to the port
+ */
+int Pgsm_bs::message_epoint(unsigned int epoint_id, int message_id, union parameter *param)
+{
+ if (Pgsm::message_epoint(epoint_id, message_id, param))
+ return(1);
+
+ switch(message_id) {
+ case MESSAGE_SETUP: /* dial-out command received from epoint */
+ if (p_state!=PORT_STATE_IDLE)
+ break;
+ message_setup(epoint_id, message_id, param);
+ break;
+
+ default:
+ PDEBUG(DEBUG_GSM, "Pgsm_bs(%s) gsm port with (caller id %s) received unhandled nessage: %d\n", p_name, p_callerinfo.id, message_id);
+ }
+
+ return(1);
+}
+
+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 */
+// }
+ }
+
+ return(rc);
+}
+
+int gsm_bs_init(void)
+{
+ char hlr[128], cfg[128], filename[128];
+ mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
+ int pcapfd, rc;
+
+ 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);
+
+ /* 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);
+ }
+
+ /* use RTP proxy for audio streaming */
+ ipacc_rtp_direct = 0;
+
+ /* 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");
+
+ /* 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);
+
+ /* 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);
+ }
+ gsm->network = bsc_gsmnet;
+
+ 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 / commitdiff