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-rw-r--r--gsm_ms.cpp184
1 files changed, 156 insertions, 28 deletions
diff --git a/gsm_ms.cpp b/gsm_ms.cpp
index f8541fa..551fcad 100644
--- a/gsm_ms.cpp
+++ b/gsm_ms.cpp
@@ -20,10 +20,10 @@ extern "C" {
#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>
+#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 = "";
@@ -35,6 +35,8 @@ void *l23_ctx = NULL;
int (*l23_app_work) (struct osmocom_ms *ms) = NULL;
int (*l23_app_exit) (struct osmocom_ms *ms) = NULL;
+static int dtmf_timeout(struct lcr_timer *timer, void *instance, int index);
+
/*
* constructor
*/
@@ -55,6 +57,12 @@ Pgsm_ms::Pgsm_ms(int type, struct mISDNport *mISDNport, char *portname, struct p
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);
}
@@ -64,6 +72,7 @@ Pgsm_ms::Pgsm_ms(int type, struct mISDNport *mISDNport, char *portname, struct p
Pgsm_ms::~Pgsm_ms()
{
PDEBUG(DEBUG_GSM, "Destroyed GSM MS process(%s).\n", p_name);
+ del_timer(&p_m_g_dtmf_timer);
}
/*
@@ -123,7 +132,7 @@ void Pgsm_ms::setup_ind(unsigned int msg_type, unsigned int callref, struct gsm_
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) {
@@ -199,6 +208,7 @@ void Pgsm_ms::setup_ind(unsigned int msg_type, unsigned int callref, struct gsm_
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) {
@@ -317,16 +327,6 @@ void Pgsm_ms::setup_ind(unsigned int msg_type, unsigned int callref, struct gsm_
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");
@@ -345,17 +345,12 @@ void Pgsm_ms::setup_ind(unsigned int msg_type, unsigned int callref, struct gsm_
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);
@@ -414,7 +409,7 @@ static int message_ms(struct osmocom_ms *ms, int msg_type, void *arg)
if (msg_type == GSM_TCHF_FRAME) {
if (port)
- pgsm_ms->frame_receive((struct gsm_trau_frame *)arg);
+ pgsm_ms->frame_receive(arg);
return 0;
}
@@ -456,6 +451,10 @@ static int message_ms(struct osmocom_ms *ms, int msg_type, void *arg)
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;
@@ -482,6 +481,12 @@ static int message_ms(struct osmocom_ms *ms, int msg_type, void *arg)
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:
;
}
@@ -617,6 +622,13 @@ void Pgsm_ms::message_setup(unsigned int epoint_id, int message_id, union parame
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();
@@ -630,11 +642,119 @@ void Pgsm_ms::message_setup(unsigned int epoint_id, int message_id, union parame
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);
@@ -645,6 +765,14 @@ int Pgsm_ms::message_epoint(unsigned int epoint_id, int message_id, union parame
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);
}
@@ -701,7 +829,7 @@ int gsm_ms_new(const char *name, const char *socket_path)
if (rc < 0) {
FATAL("Failed to init layer23\n");
}
- ms->cclayer.mncc_recv = message_ms;
+ ms->mncc_entity.mncc_recv = message_ms;
return 0;
}