\*****************************************************************************/
#include "main.h"
+#include "mncc.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 lcr_gsm *gsm_ms_first = NULL;
-const char *openbsc_copyright = "";
-short vty_port = 4247;
+static int dtmf_timeout(struct lcr_timer *timer, void *instance, int index);
-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;
+#define DTMF_ST_IDLE 0 /* no DTMF active */
+#define DTMF_ST_START 1 /* DTMF started, waiting for resp. */
+#define DTMF_ST_MARK 2 /* wait tone duration */
+#define DTMF_ST_STOP 3 /* DTMF stopped, waiting for resp. */
+#define DTMF_ST_SPACE 4 /* wait space between tones */
/*
* 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;
+ struct lcr_gsm *gsm_ms = gsm_ms_first;
char *ms_name = mISDNport->ifport->gsm_ms_name;
- p_m_g_instance = NULL;
+ p_m_g_lcr_gsm = NULL;
- llist_for_each_entry(ms, &ms_list, entity) {
- if (!strcmp(ms->name, ms_name)) {
- p_m_g_instance = ms;
+ while (gsm_ms) {
+ if (gsm_ms->type == LCR_GSM_TYPE_MS && !strcmp(gsm_ms->name, ms_name)) {
+ p_m_g_lcr_gsm = gsm_ms;
break;
}
+ gsm_ms = gsm_ms->gsm_ms_next;
}
- if (!p_m_g_instance)
- FATAL("MS name %s does not exists. Please fix!");
+ p_m_g_dtmf_state = DTMF_ST_IDLE;
+ p_m_g_dtmf_index = 0;
+ p_m_g_dtmf[0] = '\0';
+ memset(&p_m_g_dtmf_timer, 0, sizeof(p_m_g_dtmf_timer));
+ add_timer(&p_m_g_dtmf_timer, dtmf_timeout, this, 0);
PDEBUG(DEBUG_GSM, "Created new GSMMSPort(%s %s).\n", portname, ms_name);
}
Pgsm_ms::~Pgsm_ms()
{
PDEBUG(DEBUG_GSM, "Destroyed GSM MS process(%s).\n", p_name);
+ del_timer(&p_m_g_dtmf_timer);
}
/*
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_m_g_lcr_gsm, mncc->msg_type, mncc);
new_state(PORT_STATE_RELEASE);
trigger_work(&p_m_g_delete);
return;
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);
+ send_and_free_mncc(p_m_g_lcr_gsm, mncc->msg_type, mncc);
new_state(PORT_STATE_RELEASE);
trigger_work(&p_m_g_delete);
return;
}
- l1l2l3_trace_header(p_m_mISDNport, this, MNCC_SETUP_IND, DIRECTION_IN);
+ gsm_trace_header(p_m_mISDNport, this, MNCC_SETUP_IND, DIRECTION_IN);
/* caller information */
p_callerinfo.ntype = INFO_NTYPE_NOTPRESENT;
if (mncc->fields & MNCC_F_CALLING) {
add_trace("dialing", "plan", "%d", mncc->called.plan);
add_trace("dialing", "number", "%s", mncc->called.number);
}
+ p_dialinginfo.sending_complete = 1;
/* redir info */
p_redirinfo.ntype = INFO_NTYPE_NOTPRESENT;
if (mncc->fields & MNCC_F_REDIRECTING) {
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);
+ send_and_free_mncc(p_m_g_lcr_gsm, mncc->msg_type, mncc);
new_state(PORT_STATE_RELEASE);
trigger_work(&p_m_g_delete);
return;
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");
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 */
+ mode->lchan_type = 0x02;
add_trace("mode", NULL, "0x%02x", mode->lchan_mode);
end_trace();
- send_and_free_mncc(p_m_g_instance, mode->msg_type, mode);
+ send_and_free_mncc(p_m_g_lcr_gsm, 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);
- }
+ gsm_trace_header(p_m_mISDNport, this, MNCC_CALL_CONF_REQ, DIRECTION_OUT);
+ proceeding = create_mncc(MNCC_CALL_CONF_REQ, p_m_g_callref);
+ // FIXME: bearer
+ /* DTMF supported */
+ proceeding->fields |= MNCC_F_CCCAP;
+ proceeding->cccap.dtmf = 1;
end_trace();
- send_and_free_mncc(p_m_g_instance, proceeding->msg_type, proceeding);
+ send_and_free_mncc(p_m_g_lcr_gsm, proceeding->msg_type, proceeding);
new_state(PORT_STATE_IN_PROCEEDING);
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);
+ send_and_free_mncc(p_m_g_lcr_gsm, frame->msg_type, frame);
p_m_g_tch_connected = 1;
}
/*
* MS sends message to port
*/
-static int message_ms(struct osmocom_ms *ms, int msg_type, void *arg)
+int message_ms(struct lcr_gsm *gsm_ms, int msg_type, void *arg)
{
struct gsm_mncc *mncc = (struct gsm_mncc *)arg;
unsigned int callref = mncc->callref;
struct mISDNport *mISDNport;
/* Special messages */
- if (msg_type) {
+ switch (msg_type) {
}
/* find callref */
if (msg_type == GSM_TCHF_FRAME) {
if (port)
- pgsm_ms->frame_receive((struct gsm_trau_frame *)arg);
+ pgsm_ms->frame_receive(arg);
return 0;
}
/* find gsm ms port */
mISDNport = mISDNport_first;
while(mISDNport) {
- if (mISDNport->gsm_ms && !strcmp(mISDNport->ifport->gsm_ms_name, ms->name))
+ if (mISDNport->gsm_ms && !strcmp(mISDNport->ifport->gsm_ms_name, gsm_ms->name))
break;
mISDNport = mISDNport->next;
}
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);
+ send_and_free_mncc(gsm_ms, rej->msg_type, rej);
return 0;
}
/* creating port object, transparent until setup with hdlc */
pgsm_ms->setup_ind(msg_type, callref, mncc);
break;
+ case MNCC_CALL_PROC_IND:
+ pgsm_ms->call_proc_ind(msg_type, callref, mncc);
+ break;
+
case MNCC_ALERT_IND:
pgsm_ms->alert_ind(msg_type, callref, mncc);
break;
pgsm_ms->notify_ind(msg_type, callref, mncc);
break;
+ case MNCC_START_DTMF_RSP:
+ case MNCC_START_DTMF_REJ:
+ case MNCC_STOP_DTMF_RSP:
+ pgsm_ms->dtmf_statemachine(mncc);
+ break;
+
default:
;
}
memcpy(&p_capainfo, ¶m->setup.capainfo, sizeof(p_capainfo));
memcpy(&p_redirinfo, ¶m->setup.redirinfo, sizeof(p_redirinfo));
+ /* no instance */
+ if (!p_m_g_lcr_gsm || p_m_g_lcr_gsm->mncc_lfd.fd < 0) {
+ gsm_trace_header(p_m_mISDNport, this, MNCC_SETUP_REQ, DIRECTION_OUT);
+ add_trace("failure", NULL, "MS %s instance is unavailable", p_m_mISDNport->ifport->gsm_ms_name);
+ end_trace();
+ message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
+ message->param.disconnectinfo.cause = 41;
+ message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
+ message_put(message);
+ new_state(PORT_STATE_RELEASE);
+ trigger_work(&p_m_g_delete);
+ return;
+ }
+
/* no number */
if (!p_dialinginfo.id[0]) {
gsm_trace_header(p_m_mISDNport, this, MNCC_SETUP_REQ, DIRECTION_OUT);
mncc->bearer_cap.mode = 0;
break;
}
+ /* DTMF supported */
+ mncc->fields |= MNCC_F_CCCAP;
+ mncc->cccap.dtmf = 1;
+
+ /* request keypad from remote */
+ message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_ENABLEKEYPAD);
+ message_put(message);
}
end_trace();
- send_and_free_mncc(p_m_g_instance, mncc->msg_type, mncc);
+ send_and_free_mncc(p_m_g_lcr_gsm, mncc->msg_type, mncc);
new_state(PORT_STATE_OUT_SETUP);
new_state(PORT_STATE_OUT_PROCEEDING);
}
+void Pgsm_ms::dtmf_statemachine(struct gsm_mncc *mncc)
+{
+ struct gsm_mncc *dtmf;
+
+ switch (p_m_g_dtmf_state) {
+ case DTMF_ST_SPACE:
+ case DTMF_ST_IDLE:
+ /* end of string */
+ if (!p_m_g_dtmf[p_m_g_dtmf_index]) {
+ PDEBUG(DEBUG_GSM, "done with DTMF\n");
+ p_m_g_dtmf_state = DTMF_ST_IDLE;
+ return;
+ }
+ gsm_trace_header(p_m_mISDNport, this, MNCC_START_DTMF_REQ, DIRECTION_OUT);
+ dtmf = create_mncc(MNCC_START_DTMF_REQ, p_m_g_callref);
+ dtmf->keypad = p_m_g_dtmf[p_m_g_dtmf_index++];
+ p_m_g_dtmf_state = DTMF_ST_START;
+ PDEBUG(DEBUG_GSM, "start DTMF (keypad %c)\n",
+ dtmf->keypad);
+ end_trace();
+ send_and_free_mncc(p_m_g_lcr_gsm, dtmf->msg_type, dtmf);
+ return;
+ case DTMF_ST_START:
+ if (mncc->msg_type != MNCC_START_DTMF_RSP) {
+ PDEBUG(DEBUG_GSM, "DTMF was rejected\n");
+ return;
+ }
+ schedule_timer(&p_m_g_dtmf_timer, 0, 70 * 1000);
+ p_m_g_dtmf_state = DTMF_ST_MARK;
+ PDEBUG(DEBUG_GSM, "DTMF is on\n");
+ break;
+ case DTMF_ST_MARK:
+ gsm_trace_header(p_m_mISDNport, this, MNCC_STOP_DTMF_REQ, DIRECTION_OUT);
+ dtmf = create_mncc(MNCC_STOP_DTMF_REQ, p_m_g_callref);
+ p_m_g_dtmf_state = DTMF_ST_STOP;
+ end_trace();
+ send_and_free_mncc(p_m_g_lcr_gsm, dtmf->msg_type, dtmf);
+ return;
+ case DTMF_ST_STOP:
+ schedule_timer(&p_m_g_dtmf_timer, 0, 120 * 1000);
+ p_m_g_dtmf_state = DTMF_ST_SPACE;
+ PDEBUG(DEBUG_GSM, "DTMF is off\n");
+ break;
+ }
+}
+
+static int dtmf_timeout(struct lcr_timer *timer, void *instance, int index)
+{
+ class Pgsm_ms *pgsm_ms = (class Pgsm_ms *)instance;
+
+ PDEBUG(DEBUG_GSM, "DTMF timer has fired\n");
+ pgsm_ms->dtmf_statemachine(NULL);
+
+ return 0;
+}
+
+/* MESSAGE_DTMF */
+void Pgsm_ms::message_dtmf(unsigned int epoint_id, int message_id, union parameter *param)
+{
+ char digit = param->dtmf;
+
+ if (digit >= 'a' && digit <= 'c')
+ digit = digit - 'a' + 'A';
+ if (!strchr("01234567890*#ABC", digit))
+ return;
+
+ /* schedule */
+ if (p_m_g_dtmf_state == DTMF_ST_IDLE) {
+ p_m_g_dtmf_index = 0;
+ p_m_g_dtmf[0] = '\0';
+ }
+ SCCAT(p_m_g_dtmf, digit);
+ if (p_m_g_dtmf_state == DTMF_ST_IDLE)
+ dtmf_statemachine(NULL);
+}
+
+/* MESSAGE_INFORMATION */
+void Pgsm_ms::message_information(unsigned int epoint_id, int message_id, union parameter *param)
+{
+ char digit;
+ int i;
+
+ for (i = 0; i < (int)strlen(param->information.id); i++) {
+ digit = param->information.id[i];
+ if (digit >= 'a' && digit <= 'c')
+ digit = digit - 'a' + 'A';
+ if (!strchr("01234567890*#ABC", digit))
+ continue;
+
+ /* schedule */
+ if (p_m_g_dtmf_state == DTMF_ST_IDLE) {
+ p_m_g_dtmf_index = 0;
+ p_m_g_dtmf[0] = '\0';
+ }
+ SCCAT(p_m_g_dtmf, digit);
+ if (p_m_g_dtmf_state == DTMF_ST_IDLE)
+ dtmf_statemachine(NULL);
+ }
+}
+
/*
* endpoint sends messages to the port
*/
int Pgsm_ms::message_epoint(unsigned int epoint_id, int message_id, union parameter *param)
{
+ struct lcr_msg *message;
+
+ if (message_id == MESSAGE_CONNECT) {
+ /* request keypad from remote */
+ message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_ENABLEKEYPAD);
+ message_put(message);
+ }
+
if (Pgsm::message_epoint(epoint_id, message_id, param))
return(1);
message_setup(epoint_id, message_id, param);
break;
+ case MESSAGE_DTMF:
+ message_dtmf(epoint_id, message_id, param);
+ break;
+
+ case MESSAGE_INFORMATION:
+ message_information(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);
}
int gsm_ms_exit(int rc)
{
+ /* destroy all instances */
+ while (gsm_ms_first)
+ gsm_ms_delete(gsm_ms_first->name);
- return(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)
+int gsm_ms_new(const char *name)
{
- struct osmocom_ms *ms = NULL;
- int rc;
-
- PDEBUG(DEBUG_GSM, "GSM: creating new instance '%s' on '%s'\n", name, socket_path);
+ struct lcr_gsm *gsm_ms = gsm_ms_first, **gsm_ms_p = &gsm_ms_first;
- ms = talloc_zero(l23_ctx, struct osmocom_ms);
- if (!ms) {
- FATAL("Failed to allocate MS\n");
+ while (gsm_ms) {
+ gsm_ms_p = &gsm_ms->gsm_ms_next;
+ gsm_ms = gsm_ms->gsm_ms_next;
}
- /* must add here, because other init processes may search in the list */
- llist_add_tail(&ms->entity, &ms_list);
+ PDEBUG(DEBUG_GSM, "GSM: interface for MS '%s' is created\n", name);
- SPRINT(ms->name, name);
+ /* create gsm instance */
+ gsm_ms = (struct lcr_gsm *)MALLOC(sizeof(struct lcr_gsm));
- rc = layer2_open(ms, socket_path);
- if (rc < 0) {
- FATAL("Failed during layer2_open()\n");
- }
+ gsm_ms->type = LCR_GSM_TYPE_MS;
+ SCPY(gsm_ms->name, name);
+ gsm_ms->sun.sun_family = AF_UNIX;
+ SPRINT(gsm_ms->sun.sun_path, "/tmp/ms_mncc_%s", name);
- lapdm_init(&ms->l2_entity.lapdm_dcch, ms);
- lapdm_init(&ms->l2_entity.lapdm_acch, ms);
+ memset(&gsm_ms->socket_retry, 0, sizeof(gsm_ms->socket_retry));
+ add_timer(&gsm_ms->socket_retry, mncc_socket_retry_cb, gsm_ms, 0);
- rc = l23_app_init(ms);
- if (rc < 0) {
- FATAL("Failed to init layer23\n");
- }
- ms->cclayer.mncc_recv = message_ms;
+ /* do the initial connect */
+ mncc_socket_retry_cb(&gsm_ms->socket_retry, gsm_ms, 0);
+
+ *gsm_ms_p = gsm_ms;
return 0;
}
int gsm_ms_delete(const char *name)
{
- struct osmocom_ms *ms = NULL;
- int found = 0;
+ struct lcr_gsm *gsm_ms = gsm_ms_first, **gsm_ms_p = &gsm_ms_first;
+// class Port *port;
+// class Pgsm_ms *pgsm_ms = NULL;
- PDEBUG(DEBUG_GSM, "GSM: destroying instance '%s'\n", name);
+ PDEBUG(DEBUG_GSM, "GSM: interface for MS '%s' is deleted\n", name);
- llist_for_each_entry(ms, &ms_list, entity) {
- if (!strcmp(ms->name, name)) {
- found = 1;
+ while (gsm_ms) {
+ if (gsm_ms->type == LCR_GSM_TYPE_MS && !strcmp(gsm_ms->name, name))
break;
- }
+ gsm_ms_p = &gsm_ms->gsm_ms_next;
+ gsm_ms = gsm_ms->gsm_ms_next;
}
- if (!found) {
- FATAL("Failed delete layer23, instance '%s' not found\n", name);
+ if (!gsm_ms)
+ return 0;
+
+/* not needed, because:
+ * - shutdown of interface will destry port instances locally
+ * - closing of socket will make remote socket destroy calls locally
+ */
+#if 0
+ 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_lcr_gsm == gsm_ms && pgsm_ms->p_m_g_callref) {
+ struct gsm_mncc *rej;
+
+ rej = create_mncc(MNCC_REL_REQ, pgsm_ms->p_m_g_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_ms, rej->msg_type, rej);
+ pgsm_ms->new_state(PORT_STATE_RELEASE);
+ trigger_work(&pgsm_ms->p_m_g_delete);
+ }
+ }
}
+#endif
- l23_app_exit(ms);
- lapdm_exit(&ms->l2_entity.lapdm_dcch);
- lapdm_exit(&ms->l2_entity.lapdm_acch);
+ if (gsm_ms->mncc_lfd.fd > -1) {
+ close(gsm_ms->mncc_lfd.fd);
+ unregister_fd(&gsm_ms->mncc_lfd);
+ }
+ del_timer(&gsm_ms->socket_retry);
- llist_del(&ms->entity);
+ /* remove instance from list */
+ *gsm_ms_p = gsm_ms->gsm_ms_next;
+ FREE(gsm_ms, sizeof(struct lcr_gsm));
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