--- /dev/null
+/*****************************************************************************\
+** **
+** LCR **
+** **
+**---------------------------------------------------------------------------**
+** Copyright: Andreas Eversberg **
+** **
+** mISDN gsm (MS mode) **
+** **
+\*****************************************************************************/
+
+#include "main.h"
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+extern "C" {
+#include <getopt.h>
+
+#include <osmocore/select.h>
+#include <osmocore/talloc.h>
+
+#include <osmocom/osmocom_data.h>
+#include <osmocom/logging.h>
+#include <osmocom/l1l2_interface.h>
+#include <osmocom/l23_app.h>
+}
+
+struct llist_head ms_list;
+struct log_target *stderr_target;
+void *l23_ctx = NULL;
+int (*l23_app_work) (struct osmocom_ms *ms) = NULL;
+int (*l23_app_exit) (struct osmocom_ms *ms) = NULL;
+
+/*
+ * constructor
+ */
+Pgsm_ms::Pgsm_ms(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)
+{
+ struct osmocom_ms *ms = NULL;
+ char *ms_name = mISDNport->ifport->gsm_ms_name;
+
+ p_m_g_instance = NULL;
+
+ llist_for_each_entry(ms, &ms_list, entity) {
+ if (!strcmp(ms->name, ms_name)) {
+ p_m_g_instance = ms;
+ break;
+ }
+ }
+
+ if (!p_m_g_instance)
+ FATAL("MS name %s does not exists. Please fix!");
+
+ PDEBUG(DEBUG_GSM, "Created new GSMMSPort(%s %s).\n", portname, ms_name);
+}
+
+/*
+ * destructor
+ */
+Pgsm_ms::~Pgsm_ms()
+{
+ PDEBUG(DEBUG_GSM, "Destroyed GSM MS process(%s).\n", p_name);
+}
+
+/*
+ * handles all indications
+ */
+/* SETUP INDICATION */
+void Pgsm_ms::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 information */
+ p_callerinfo.ntype = INFO_NTYPE_NOTPRESENT;
+ if (mncc->fields & MNCC_F_CALLING) {
+ switch (mncc->calling.present) {
+ case 1:
+ p_callerinfo.present = INFO_PRESENT_RESTRICTED;
+ break;
+ case 2:
+ p_callerinfo.present = INFO_PRESENT_NOTAVAIL;
+ break;
+ default:
+ p_callerinfo.present = INFO_PRESENT_ALLOWED;
+ break;
+ }
+ switch (mncc->calling.screen) {
+ case 0:
+ p_callerinfo.screen = INFO_SCREEN_USER;
+ break;
+ case 1:
+ p_callerinfo.screen = INFO_SCREEN_USER_VERIFIED_PASSED;
+ break;
+ case 2:
+ p_callerinfo.screen = INFO_SCREEN_USER_VERIFIED_FAILED;
+ break;
+ default:
+ p_callerinfo.screen = INFO_SCREEN_NETWORK;
+ break;
+ }
+ switch (mncc->calling.type) {
+ case 0x0:
+ p_callerinfo.ntype = INFO_NTYPE_UNKNOWN;
+ break;
+ case 0x1:
+ p_callerinfo.ntype = INFO_NTYPE_INTERNATIONAL;
+ break;
+ case 0x2:
+ p_callerinfo.ntype = INFO_NTYPE_NATIONAL;
+ break;
+ case 0x4:
+ p_callerinfo.ntype = INFO_NTYPE_SUBSCRIBER;
+ break;
+ default:
+ p_callerinfo.ntype = INFO_NTYPE_UNKNOWN;
+ break;
+ }
+ SCPY(p_callerinfo.id, mncc->calling.number);
+ 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);
+ }
+ p_callerinfo.isdn_port = p_m_portnum;
+ SCPY(p_callerinfo.interface, p_m_mISDNport->ifport->interface->name);
+ /* dialing information */
+ if (mncc->fields & MNCC_F_CALLED) {
+ 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;
+ }
+ add_trace("dialing", "type", "%d", mncc->called.type);
+ add_trace("dialing", "plan", "%d", mncc->called.plan);
+ add_trace("dialing", "number", "%s", mncc->called.number);
+ }
+ /* redir info */
+ p_redirinfo.ntype = INFO_NTYPE_NOTPRESENT;
+ if (mncc->fields & MNCC_F_REDIRECTING) {
+ switch (mncc->redirecting.present) {
+ case 1:
+ p_redirinfo.present = INFO_PRESENT_RESTRICTED;
+ break;
+ case 2:
+ p_redirinfo.present = INFO_PRESENT_NOTAVAIL;
+ break;
+ default:
+ p_redirinfo.present = INFO_PRESENT_ALLOWED;
+ break;
+ }
+ switch (mncc->redirecting.screen) {
+ case 0:
+ p_redirinfo.screen = INFO_SCREEN_USER;
+ break;
+ case 1:
+ p_redirinfo.screen = INFO_SCREEN_USER_VERIFIED_PASSED;
+ break;
+ case 2:
+ p_redirinfo.screen = INFO_SCREEN_USER_VERIFIED_FAILED;
+ break;
+ default:
+ p_redirinfo.screen = INFO_SCREEN_NETWORK;
+ break;
+ }
+ switch (mncc->redirecting.type) {
+ case 0x0:
+ p_redirinfo.ntype = INFO_NTYPE_UNKNOWN;
+ break;
+ case 0x1:
+ p_redirinfo.ntype = INFO_NTYPE_INTERNATIONAL;
+ break;
+ case 0x2:
+ p_redirinfo.ntype = INFO_NTYPE_NATIONAL;
+ break;
+ case 0x4:
+ p_redirinfo.ntype = INFO_NTYPE_SUBSCRIBER;
+ break;
+ default:
+ p_redirinfo.ntype = INFO_NTYPE_UNKNOWN;
+ break;
+ }
+ SCPY(p_redirinfo.id, mncc->redirecting.number);
+ 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);
+ p_redirinfo.isdn_port = p_m_portnum;
+ }
+ /* bearer capability */
+ if (mncc->fields & MNCC_F_BEARER_CAP) {
+ switch (mncc->bearer_cap.transfer) {
+ case 1:
+ p_capainfo.bearer_capa = INFO_BC_DATAUNRESTRICTED;
+ break;
+ case 2:
+ case 3:
+ p_capainfo.bearer_capa = INFO_BC_AUDIO;
+ p_capainfo.bearer_info1 = (options.law=='a')?3:2;
+ break;
+ default:
+ p_capainfo.bearer_capa = INFO_BC_SPEECH;
+ p_capainfo.bearer_info1 = (options.law=='a')?3:2;
+ break;
+ }
+ switch (mncc->bearer_cap.mode) {
+ case 1:
+ p_capainfo.bearer_mode = INFO_BMODE_PACKET;
+ break;
+ default:
+ p_capainfo.bearer_mode = INFO_BMODE_CIRCUIT;
+ break;
+ }
+ } else {
+ p_capainfo.bearer_capa = INFO_BC_SPEECH;
+ p_capainfo.bearer_info1 = (options.law=='a')?3:2;
+ p_capainfo.bearer_mode = INFO_BMODE_CIRCUIT;
+ }
+ /* if packet mode works some day, see dss1.cpp for conditions */
+ p_capainfo.source_mode = B_MODE_TRANSPARENT;
+
+ /* 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);
+}
+
+/*
+ * MS sends message to port
+ */
+static int message_ms(struct osmocom_ms *ms, int msg_type, void *arg)
+{
+ struct gsm_mncc *mncc = (struct gsm_mncc *)arg;
+ unsigned int callref = mncc->callref;
+ class Port *port;
+ class Pgsm_ms *pgsm_ms = NULL;
+ char name[64];
+ struct mISDNport *mISDNport;
+
+ /* Special messages */
+ if (msg_type) {
+ }
+
+ /* find callref */
+ callref = mncc->callref;
+ port = port_first;
+ while(port) {
+ if ((port->p_type & PORT_CLASS_GSM_MASK) == PORT_CLASS_GSM_MS) {
+ pgsm_ms = (class Pgsm_ms *)port;
+ if (pgsm_ms->p_m_g_callref == callref) {
+ break;
+ }
+ }
+ port = port->next;
+ }
+
+ if (msg_type == GSM_TCHF_FRAME) {
+ if (port)
+ pgsm_ms->frame_receive((struct gsm_trau_frame *)arg);
+ return 0;
+ }
+
+ if (!port) {
+ if (msg_type != MNCC_SETUP_IND)
+ return(0);
+ /* find gsm ms port */
+ mISDNport = mISDNport_first;
+ while(mISDNport) {
+ if (mISDNport->gsm_ms && !strcmp(mISDNport->ifport->interface->name, ms->name))
+ 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(ms, 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_ms = new Pgsm_ms(PORT_TYPE_GSM_MS_IN, mISDNport, name, NULL, 0, 0, B_MODE_TRANSPARENT)))
+
+ FATAL("Cannot create Port instance.\n");
+ }
+
+ switch(msg_type) {
+ case MNCC_SETUP_IND:
+ pgsm_ms->setup_ind(msg_type, callref, mncc);
+ break;
+
+ case MNCC_ALERT_IND:
+ pgsm_ms->alert_ind(msg_type, callref, mncc);
+ break;
+
+ case MNCC_SETUP_CNF:
+ pgsm_ms->setup_cnf(msg_type, callref, mncc);
+ break;
+
+ case MNCC_SETUP_COMPL_IND:
+ pgsm_ms->setup_compl_ind(msg_type, callref, mncc);
+ break;
+
+ case MNCC_DISC_IND:
+ pgsm_ms->disc_ind(msg_type, callref, mncc);
+ break;
+
+ case MNCC_REL_IND:
+ case MNCC_REL_CNF:
+ case MNCC_REJ_IND:
+ pgsm_ms->rel_ind(msg_type, callref, mncc);
+ break;
+
+ case MNCC_NOTIFY_IND:
+ pgsm_ms->notify_ind(msg_type, callref, mncc);
+ break;
+
+ default:
+ ;
+ }
+ return(0);
+}
+
+/* MESSAGE_SETUP */
+void Pgsm_ms::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;
+
+ /* 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);
+ if (!strncasecmp(p_dialinginfo.id, "emerg", 5)) {
+ mncc->emergency = 1;
+ } else {
+ /* caller info (only clir) */
+ switch (p_callerinfo.present) {
+ case INFO_PRESENT_ALLOWED:
+ mncc->clir.inv = 1;
+ break;
+ default:
+ mncc->clir.sup = 1;
+ }
+ /* dialing information (mandatory) */
+ 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);
+ }
+
+ /* bearer capability (mandatory) */
+ mncc->fields |= MNCC_F_BEARER_CAP;
+ mncc->bearer_cap.coding = 0;
+ mncc->bearer_cap.radio = 1;
+ mncc->bearer_cap.speech_ctm = 0;
+ mncc->bearer_cap.speech_ver[0] = 0;
+ mncc->bearer_cap.speech_ver[1] = -1; /* end of list */
+ switch (p_capainfo.bearer_capa) {
+ case INFO_BC_DATAUNRESTRICTED:
+ case INFO_BC_DATARESTRICTED:
+ mncc->bearer_cap.transfer = 1;
+ break;
+ case INFO_BC_SPEECH:
+ mncc->bearer_cap.transfer = 0;
+ break;
+ default:
+ mncc->bearer_cap.transfer = 2;
+ break;
+ }
+ switch (p_capainfo.bearer_mode) {
+ case INFO_BMODE_PACKET:
+ mncc->bearer_cap.mode = 1;
+ break;
+ default:
+ mncc->bearer_cap.mode = 0;
+ break;
+ }
+ }
+
+ 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_ms::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_ms(%s) gsm port with (caller id %s) received unhandled nessage: %d\n", p_name, p_callerinfo.id, message_id);
+ }
+
+ return(1);
+}
+
+int gsm_ms_exit(int rc)
+{
+
+ return(rc);
+}
+
+int gsm_ms_init(void)
+{
+ INIT_LLIST_HEAD(&ms_list);
+ log_init(&log_info);
+ stderr_target = log_target_create_stderr();
+ log_add_target(stderr_target);
+ log_set_all_filter(stderr_target, 1);
+
+ l23_ctx = talloc_named_const(NULL, 1, "layer2 context");
+
+ return 0;
+}
+
+/* add a new GSM mobile instance */
+int gsm_ms_new(const char *name, const char *socket_path)
+{
+ struct osmocom_ms *ms = NULL;
+ int rc;
+
+ PDEBUG(DEBUG_GSM, "GSM: creating new instance '%s' on '%s'\n", name, socket_path);
+
+ ms = talloc_zero(l23_ctx, struct osmocom_ms);
+ if (!ms) {
+ FATAL("Failed to allocate MS\n");
+ }
+ /* must add here, because other init processes may search in the list */
+ llist_add_tail(&ms->entity, &ms_list);
+
+
+ SPRINT(ms->name, name);
+
+ rc = layer2_open(ms, socket_path);
+ if (rc < 0) {
+ FATAL("Failed during layer2_open()\n");
+ }
+
+ lapdm_init(&ms->l2_entity.lapdm_dcch, ms);
+ lapdm_init(&ms->l2_entity.lapdm_acch, ms);
+
+ rc = l23_app_init(ms);
+ if (rc < 0) {
+ FATAL("Failed to init layer23\n");
+ }
+ ms->cclayer.mncc_recv = message_ms;
+
+ return 0;
+}
+
+int gsm_ms_delete(const char *name)
+{
+ struct osmocom_ms *ms = NULL;
+ int found = 0;
+
+ PDEBUG(DEBUG_GSM, "GSM: destroying instance '%s'\n", name);
+
+ llist_for_each_entry(ms, &ms_list, entity) {
+ if (!strcmp(ms->name, name)) {
+ found = 1;
+ break;
+ }
+ }
+
+ if (!found) {
+ FATAL("Failed delete layer23, instance '%s' not found\n", name);
+ }
+
+ l23_app_exit(ms);
+ llist_del(&ms->entity);
+
+ return 0;
+}
+
+/*
+ * handles bsc select function within LCR's main loop
+ */
+int handle_gsm_ms(void)
+{
+ struct osmocom_ms *ms = NULL;
+ int work = 0;
+
+ llist_for_each_entry(ms, &ms_list, entity) {
+ if (l23_app_work(ms))
+ work = 1;
+// debug_reset_context();
+ if (bsc_select_main(1)) /* polling */
+ work = 1;
+ }
+
+ return work;
+}
+
projects / lcr.git / blobdiff