\*****************************************************************************/
#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/bb/common/osmocom_data.h>
-#include <osmocom/bb/common/logging.h>
-#include <osmocom/bb/common/l1l2_interface.h>
-#include <osmocom/bb/common/l23_app.h>
-}
-
-const char *openbsc_copyright = "";
-short vty_port = 4247;
-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;
+struct lcr_gsm *gsm_ms_first = NULL;
static int dtmf_timeout(struct lcr_timer *timer, void *instance, int index);
+#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';
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;
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;
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_CONF_REQ, DIRECTION_OUT);
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 */
/* 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 */
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);
}
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);
PDEBUG(DEBUG_GSM, "start DTMF (keypad %c)\n",
dtmf->keypad);
end_trace();
- send_and_free_mncc(p_m_g_instance, dtmf->msg_type, dtmf);
+ 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) {
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_instance, dtmf->msg_type, dtmf);
+ 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);
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;
+ struct lcr_gsm *gsm_ms = gsm_ms_first, **gsm_ms_p = &gsm_ms_first;
- 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");
+ 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->mncc_entity.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