#endif
extern "C" {
#include <getopt.h>
+#include <arpa/inet.h>
+#include <libgen.h>
-#include <osmocore/select.h>
-#include <osmocore/talloc.h>
+#include <osmocom/core/select.h>
+#include <osmocom/core/talloc.h>
+#include <osmocom/core/gsmtap_util.h>
-#include <osmocom/osmocom_data.h>
-#include <osmocom/logging.h>
-#include <osmocom/l1l2_interface.h>
-#include <osmocom/l23_app.h>
+#include <osmocom/bb/common/osmocom_data.h>
+#include <osmocom/bb/common/logging.h>
+#include <osmocom/bb/common/l1l2_interface.h>
+#include <osmocom/bb/mobile/app_mobile.h>
}
+//char *config_dir = NULL;
+
+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 gsmtap_inst *gsmtap_inst;
+
+static int dtmf_timeout(struct lcr_timer *timer, void *instance, int index);
/*
* constructor
}
}
- 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);
}
/*
return;
}
+ 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) {
p_capainfo.bearer_mode = INFO_BMODE_CIRCUIT;
break;
}
+ add_trace("bearer", "transfer", "%d", mncc->bearer_cap.transfer);
+ add_trace("bearer", "mode", "%d", mncc->bearer_cap.mode);
} else {
p_capainfo.bearer_capa = INFO_BC_SPEECH;
p_capainfo.bearer_info1 = (options.law=='a')?3:2;
/* if packet mode works some day, see dss1.cpp for conditions */
p_capainfo.source_mode = B_MODE_TRANSPARENT;
+ end_trace();
+
/* hunt channel */
ret = channel = hunt_bchannel();
if (ret < 0)
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");
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);
- }
+ 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);
struct mISDNport *mISDNport;
/* Special messages */
- if (msg_type) {
+ switch (msg_type) {
+ case MS_NEW:
+ PDEBUG(DEBUG_GSM, "MS %s comes available\n", ms->name);
+ return 0;
+ case MS_DELETE:
+ PDEBUG(DEBUG_GSM, "MS %s is removed\n", ms->name);
+ 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_instance == ms) {
+ struct lcr_msg *message;
+
+ pgsm_ms->p_m_g_instance = 0;
+ message = message_create(pgsm_ms->p_serial, ACTIVE_EPOINT(pgsm_ms->p_epointlist), PORT_TO_EPOINT, MESSAGE_RELEASE);
+ message->param.disconnectinfo.cause = 27;
+ message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
+ message_put(message);
+ pgsm_ms->new_state(PORT_STATE_RELEASE);
+ trigger_work(&pgsm_ms->p_m_g_delete);
+ }
+ }
+ port = port->next;
+ }
+ return 0;
}
/* 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->interface->name, ms->name))
+ if (mISDNport->gsm_ms && !strcmp(mISDNport->ifport->gsm_ms_name, ms->name))
break;
mISDNport = mISDNport->next;
}
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_instance) {
+ 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 = 27;
+ 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);
}
/* 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);
- }
+ mncc->called.type = 0; /* unknown */
+ mncc->called.plan = 1; /* isdn */
+ 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.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();
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_instance, 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_instance, 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)
{
+ l23_app_exit();
return(rc);
}
int gsm_ms_init(void)
{
+ const char *home;
+ size_t len;
+ const char osmocomcfg[] = ".osmocom/bb/mobile.cfg";
+ char *config_file = NULL;
+
INIT_LLIST_HEAD(&ms_list);
- log_init(&log_info);
+ log_init(&log_info, NULL);
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;
-}
+ log_parse_category_mask(stderr_target, "DNB:DCS:DPLMN:DRR:DMM:DSIM:DCC:DMNCC:DPAG:DSUM");
+ log_set_log_level(stderr_target, LOGL_INFO);
-/* 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");
+#if 0
+ if (gsmtap_ip) {
+ rc = gsmtap_init(gsmtap_ip);
+ if (rc < 0) {
+ fprintf(stderr, "Failed during gsmtap_init()\n");
+ exit(1);
+ }
}
- /* must add here, because other init processes may search in the list */
- llist_add_tail(&ms->entity, &ms_list);
-
-
- SPRINT(ms->name, name);
+#endif
- rc = layer2_open(ms, socket_path);
- if (rc < 0) {
- FATAL("Failed during layer2_open()\n");
+ home = getenv("HOME");
+ if (home != NULL) {
+ len = strlen(home) + 1 + sizeof(osmocomcfg);
+ config_file = (char *)talloc_size(l23_ctx, len);
+ if (config_file != NULL)
+ snprintf(config_file, len, "%s/%s", home, osmocomcfg);
}
+ /* save the config file directory name */
+ config_dir = talloc_strdup(l23_ctx, config_file);
+ config_dir = dirname(config_dir);
- lapdm_init(&ms->l2_entity.lapdm_dcch, ms);
- lapdm_init(&ms->l2_entity.lapdm_acch, ms);
+ l23_app_init(message_ms, config_file, vty_port);
- rc = l23_app_init(ms);
- if (rc < 0) {
- FATAL("Failed to init layer23\n");
- }
- ms->cclayer.mncc_recv = message_ms;
+ return 0;
+}
+
+/* add a new GSM mobile instance */
+int gsm_ms_new(const char *name)
+{
+ PDEBUG(DEBUG_GSM, "GSM: interface for MS '%s' is up\n", name);
return 0;
}
int gsm_ms_delete(const char *name)
{
- struct osmocom_ms *ms = NULL;
+ struct osmocom_ms *ms;
int found = 0;
+ 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 down\n", name);
llist_for_each_entry(ms, &ms_list, entity) {
if (!strcmp(ms->name, name)) {
}
}
- if (!found) {
- FATAL("Failed delete layer23, instance '%s' not found\n", name);
- }
+ if (!found)
+ return 0;
- l23_app_exit(ms);
- llist_del(&ms->entity);
+ 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_instance == 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();
+ }
+ }
+ }
return 0;
}
/*
* handles bsc select function within LCR's main loop
*/
-int handle_gsm_ms(void)
+int handle_gsm_ms(int *_quit)
{
- 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;
- }
+ int work = 0, quit = 0;
+
+ if (l23_app_work(&quit))
+ work = 1;
+ if (quit && llist_empty(&ms_list))
+ *_quit = 1;
+// debug_reset_context();
+ if (osmo_select_main(1)) /* polling */
+ work = 1;
return work;
}