#include "gsm_audio.h"
}
-#include <mISDN/mISDNcompat.h>
#include <assert.h>
#define SOCKET_RETRY_TIMER 5
const char *name;
} mncc_names[] = {
{ 0, "New call ref" },
+ { 1, "Codec negotiation" },
{ MNCC_SETUP_REQ, "MNCC_SETUP_REQ" },
{ MNCC_SETUP_IND, "MNCC_SETUP_IND" },
{ MNCC_SETUP_RSP, "MNCC_SETUP_RSP" },
{ MNCC_STOP_DTMF_REQ, "MNCC_STOP_DTMF_REQ" },
{ MNCC_HOLD_REQ, "MNCC_HOLD_REQ " },
{ MNCC_RETRIEVE_REQ, "MNCC_RETRIEVE_REQ" },
+
+ { MNCC_LCHAN_MODIFY, "MNCC_LCHAN_MODIFY" },
+
+ { MNCC_BRIDGE, "MNCC_BRIDGE" },
+ { MNCC_FRAME_RECV, "MNCC_FRAME_RECV" },
+ { MNCC_FRAME_DROP, "MNCC_FRAME_DROP" },
+ { MNCC_RTP_CREATE, "MNCC_RTP_CREATE" },
+ { MNCC_RTP_CONNECT, "MNCC_RTP_CONNECT" },
+ { MNCC_RTP_FREE, "MNCC_RTP_FREE" },
+
{ 0, NULL }
};
const char *mncc_name(int value)
{
int i = 0;
+ static char ukn[32];
while (mncc_names[i].name) {
if (mncc_names[i].msg_type == value)
return mncc_names[i].name;
i++;
}
- return "unknown";
+ SPRINT(ukn, "unknown(0x%x)", value);
+ return ukn;
}
static int mncc_send(struct lcr_gsm *lcr_gsm, int msg_type, void *data);
return ret;
}
+void Pgsm::send_mncc_rtp_connect(void)
+{
+ struct gsm_mncc_rtp *nrtp;
+
+ nrtp = (struct gsm_mncc_rtp *) create_mncc(MNCC_RTP_CONNECT, p_g_callref);
+ nrtp->ip = p_g_rtp_ip_remote;
+ nrtp->port = p_g_rtp_port_remote;
+ switch (p_g_media_type) {
+ case MEDIA_TYPE_GSM:
+ nrtp->payload_msg_type = GSM_TCHF_FRAME;
+ break;
+ case MEDIA_TYPE_GSM_EFR:
+ nrtp->payload_msg_type = GSM_TCHF_FRAME_EFR;
+ break;
+ case MEDIA_TYPE_AMR:
+ nrtp->payload_msg_type = GSM_TCH_FRAME_AMR;
+ break;
+ case MEDIA_TYPE_GSM_HR:
+ nrtp->payload_msg_type = GSM_TCHH_FRAME;
+ break;
+ }
+ nrtp->payload_type = p_g_payload_type;
+ PDEBUG(DEBUG_GSM, "sending MNCC RTP connect with payload_msg_type=%x, payload_type=%d\n", nrtp->payload_msg_type, nrtp->payload_type);
+ send_and_free_mncc(p_g_lcr_gsm, nrtp->msg_type, nrtp);
+}
+
static int delete_event(struct lcr_work *work, void *instance, int index);
/*
* constructor
*/
-Pgsm::Pgsm(int type, char *portname, struct port_settings *settings, struct interface *interface) : Port(type, portname, settings)
+Pgsm::Pgsm(int type, char *portname, struct port_settings *settings, struct interface *interface) : Port(type, portname, settings, interface)
{
+#ifdef WITH_GSMHR
+ signed short homing[160];
+ int i;
+#endif
+
p_g_tones = 0;
if (interface->is_tones == IS_YES)
p_g_tones = 1;
p_g_rtp_bridge = 0;
if (interface->rtp_bridge)
p_g_rtp_bridge = 1;
+ p_g_rtp_payloads = 0;
memset(&p_g_samples, 0, sizeof(p_g_samples));
- SCPY(p_g_interface_name, interface->name);
p_callerinfo.itype = (interface->extension)?INFO_ITYPE_ISDN_EXTENSION:INFO_ITYPE_ISDN;
memset(&p_g_delete, 0, sizeof(p_g_delete));
add_work(&p_g_delete, delete_event, this, 0);
p_g_notify_pending = NULL;
p_g_setup_pending = NULL;
p_g_connect_pending = NULL;
- p_g_decoder = gsm_audio_create();
- p_g_encoder = gsm_audio_create();
- if (!p_g_encoder || !p_g_decoder) {
- PERROR("Failed to create GSM audio codec instance\n");
+ p_g_fr_decoder = NULL;
+ p_g_fr_encoder = NULL;
+ p_g_hr_decoder = NULL;
+ p_g_hr_encoder = NULL;
+ p_g_amr_decoder = NULL;
+ p_g_amr_encoder = NULL;
+ p_g_amr_cmr = 0;
+ p_g_amr_cmr_valid = 0;
+#ifdef WITH_GSMFR
+ p_g_fr_decoder = gsm_fr_create();
+ p_g_fr_encoder = gsm_fr_create();
+ if (!p_g_fr_encoder || !p_g_fr_decoder) {
+ PERROR("Failed to create GSM FR codec instance\n");
+ trigger_work(&p_g_delete);
+ }
+#endif
+#ifdef WITH_GSMHR
+ p_g_hr_decoder = gsm_hr_create();
+ p_g_hr_encoder = gsm_hr_create();
+ if (!p_g_hr_encoder || !p_g_hr_decoder) {
+ PERROR("Failed to create GSM HR codec instance\n");
trigger_work(&p_g_delete);
}
+ /* Homing */
+ for (i = 0; i < 160; i++)
+ homing[i] = 0x0008;
+ gsm_hr_encode(p_g_hr_encoder, homing, NULL);
+#endif
+#ifdef WITH_GSMAMR
+ p_g_amr_decoder = gsm_amr_create();
+ p_g_amr_encoder = gsm_amr_create();
+ if (!p_g_amr_encoder || !p_g_amr_decoder) {
+ PERROR("Failed to create GSM AMR codec instance\n");
+ trigger_work(&p_g_delete);
+ }
+#endif
p_g_rxpos = 0;
p_g_tch_connected = 0;
+ p_g_media_type = 0;
PDEBUG(DEBUG_GSM, "Created new GSMPort(%s).\n", portname);
}
if (p_g_connect_pending)
message_free(p_g_connect_pending);
+//#ifdef WITH_GSMFR
/* close codec */
- if (p_g_encoder)
- gsm_audio_destroy(p_g_encoder);
- if (p_g_decoder)
- gsm_audio_destroy(p_g_decoder);
+ if (p_g_fr_encoder)
+ gsm_fr_destroy(p_g_fr_encoder);
+ if (p_g_fr_decoder)
+ gsm_fr_destroy(p_g_fr_decoder);
+//#endif
+#ifdef WITH_GSMHR
+ if (p_g_hr_encoder)
+ gsm_hr_destroy(p_g_hr_encoder);
+ if (p_g_hr_decoder)
+ gsm_hr_destroy(p_g_hr_decoder);
+#endif
+#ifdef WITH_GSMAMR
+ /* close codec */
+ if (p_g_amr_encoder)
+ gsm_amr_destroy(p_g_amr_encoder);
+ if (p_g_amr_decoder)
+ gsm_amr_destroy(p_g_amr_decoder);
+#endif
}
{
struct gsm_data_frame *frame = (struct gsm_data_frame *)arg;
unsigned char data[160];
- int i;
+ int i, cmr;
- if (!p_g_decoder)
- return;
-
- if (frame->msg_type != GSM_TCHF_BAD_FRAME) {
- if ((frame->data[0]>>4) != 0xd)
- PERROR("received GSM frame with wrong magig 0x%x\n", frame->data[0]>>4);
-
+ switch (frame->msg_type) {
+ case GSM_TCHF_FRAME:
+ if (p_g_media_type != MEDIA_TYPE_GSM) {
+ PERROR("FR frame, but current media type mismatches.\n");
+ return;
+ }
+ if (!p_g_fr_decoder) {
+ PERROR("FR frame, but decoder not created.\n");
+ return;
+ }
+ if ((frame->data[0]>>4) != 0xd) {
+ PDEBUG(DEBUG_GSM, "received GSM frame with wrong magig 0x%x\n", frame->data[0]>>4);
+ goto bfi;
+ }
+#ifdef WITH_GSMFR
/* decode */
- gsm_audio_decode(p_g_decoder, frame->data, p_g_samples);
+ gsm_fr_decode(p_g_fr_decoder, frame->data, p_g_samples);
for (i = 0; i < 160; i++) {
data[i] = audio_s16_to_law[p_g_samples[i] & 0xffff];
}
- } else if (p_echotest) {
- /* beep on bad frame */
+#endif
+ break;
+ case GSM_TCHH_FRAME:
+ if (p_g_media_type != MEDIA_TYPE_GSM_HR) {
+ PERROR("HR frame, but current media type mismatches.\n");
+ return;
+ }
+ if (!p_g_hr_decoder) {
+ PERROR("HR frame, but decoder not created.\n");
+ return;
+ }
+ if ((frame->data[0]>>4) != 0x0)
+ goto bfi;
+#ifdef WITH_GSMHR
+ /* decode */
+ if (gsm_hr_decode(p_g_hr_decoder, frame->data, p_g_samples))
+ goto bfi;
for (i = 0; i < 160; i++) {
- if ((i & 3) > 2)
- p_g_samples[i] = 15000;
- else
- p_g_samples[i] = -15000;
data[i] = audio_s16_to_law[p_g_samples[i] & 0xffff];
}
- } else {
- /* repeat on bad frame */
+#endif
+ break;
+ case GSM_TCHF_FRAME_EFR:
+ if (p_g_media_type != MEDIA_TYPE_GSM_EFR) {
+ PERROR("EFR frame, but current media type mismatches.\n");
+ return;
+ }
+ if (!p_g_amr_decoder) {
+ PERROR("EFR frame, but decoder not created.\n");
+ return;
+ }
+ if ((frame->data[0]>>4) != 0xc)
+ goto bfi;
+#ifdef WITH_GSMAMR
+ /* decode */
+ gsm_efr_decode(p_g_amr_decoder, frame->data, p_g_samples);
+ for (i = 0; i < 160; i++) {
+ data[i] = audio_s16_to_law[p_g_samples[i] & 0xffff];
+ }
+#endif
+ break;
+ case GSM_TCH_FRAME_AMR:
+ if (p_g_media_type != MEDIA_TYPE_AMR) {
+ PERROR("AMR frame, but current media type mismatches.\n");
+ return;
+ }
+ if (!p_g_amr_decoder) {
+ PERROR("AMR frame, but decoder not created.\n");
+ return;
+ }
+ cmr = (frame->data[1] >> 4);
+ if (cmr <= 7) {
+ p_g_amr_cmr = cmr;
+ p_g_amr_cmr_valid = 1;
+ }
+ if (!(frame->data[2] & 0x04))
+ goto bfi;
+#ifdef WITH_GSMAMR
+ /* decode (skip length byte in front) */
+ gsm_amr_decode(p_g_amr_decoder, frame->data + 1, p_g_samples);
for (i = 0; i < 160; i++) {
- p_g_samples[i] = (p_g_samples[i] * 14) >> 4;
data[i] = audio_s16_to_law[p_g_samples[i] & 0xffff];
}
+#endif
+ break;
+ case GSM_BAD_FRAME:
+ default:
+bfi:
+ if (p_echotest) {
+ /* beep on bad frame */
+ for (i = 0; i < 160; i++) {
+ if ((i & 3) > 2)
+ p_g_samples[i] = 15000;
+ else
+ p_g_samples[i] = -15000;
+ data[i] = audio_s16_to_law[p_g_samples[i] & 0xffff];
+ }
+ } else {
+ /* repeat on bad frame */
+ for (i = 0; i < 160; i++) {
+ p_g_samples[i] = (p_g_samples[i] * 14) >> 4;
+ data[i] = audio_s16_to_law[p_g_samples[i] & 0xffff];
+ }
+ }
}
+ /* record data */
+ if (p_record)
+ record(data, 160, 0); // from down
+ if (p_tap)
+ tap(data, 160, 0); // from down
+
/* local echo */
if (p_echotest)
bridge_rx(data, 160);
/* send traffic to gsm */
int Pgsm::bridge_rx(unsigned char *data, int len)
{
- unsigned char frame[33];
+ int ret;
+
+ if ((ret = Port::bridge_rx(data, len)))
+ return ret;
- /* encoder init failed */
- if (!p_g_encoder)
+ if (p_tone_name[0])
return -EINVAL;
+ return audio_send(data, len);
+}
+
+int Pgsm::audio_send(unsigned char *data, int len)
+{
+ unsigned char frame[33];
+ int ret;
+
+ /* record data */
+ if (p_record)
+ record(data, len, 1); // from up
+ if (p_tap)
+ tap(data, len, 1); // from up
+
/* (currently) not connected, so don't flood tch! */
if (!p_g_tch_connected)
return -EINVAL;
/* write to rx buffer */
while(len--) {
p_g_rxdata[p_g_rxpos++] = audio_law_to_s32[*data++];
- if (p_g_rxpos == 160) {
- p_g_rxpos = 0;
-
+ if (p_g_rxpos != 160)
+ continue;
+ p_g_rxpos = 0;
+
+ switch (p_g_media_type) {
+ case MEDIA_TYPE_GSM:
+ if (!p_g_fr_encoder) {
+ PERROR("FR frame, but encoder not created.\n");
+ break;
+ }
+#ifdef WITH_GSMFR
+ /* encode data */
+ gsm_fr_encode(p_g_fr_encoder, p_g_rxdata, frame);
+ frame_send(frame, 33, GSM_TCHF_FRAME);
+#endif
+ break;
+ case MEDIA_TYPE_GSM_HR:
+ if (!p_g_hr_encoder) {
+ PERROR("HR frame, but encoder not created.\n");
+ break;
+ }
+#ifdef WITH_GSMHR
/* encode data */
- gsm_audio_encode(p_g_encoder, p_g_rxdata, frame);
- frame_send(frame);
+ gsm_hr_encode(p_g_hr_encoder, p_g_rxdata, frame);
+ frame_send(frame, 15, GSM_TCHH_FRAME);
+#endif
+ break;
+ case MEDIA_TYPE_GSM_EFR:
+ if (!p_g_amr_encoder) {
+ PERROR("EFR frame, but encoder not created.\n");
+ break;
+ }
+#ifdef WITH_GSMAMR
+ /* encode data */
+ gsm_efr_encode(p_g_amr_encoder, p_g_rxdata, frame);
+ frame_send(frame, 31, GSM_TCHF_FRAME_EFR);
+#endif
+ break;
+ case MEDIA_TYPE_AMR:
+ if (!p_g_amr_encoder) {
+ PERROR("AMR frame, but encoder not created.\n");
+ break;
+ }
+ if (!p_g_amr_cmr_valid) {
+ PDEBUG(DEBUG_GSM, "no valid CMR yet.\n");
+ break;
+ }
+#ifdef WITH_GSMAMR
+ /* encode data (prefix a length byte) */
+ ret = gsm_amr_encode(p_g_amr_encoder, p_g_rxdata, frame + 1, p_g_amr_cmr);
+ frame[0] = ret;
+ frame_send(frame, ret + 1, GSM_TCH_FRAME_AMR);
+#endif
+ break;
}
}
return 0;
}
-void Pgsm::frame_send(void *_frame)
+void Pgsm::frame_send(void *_frame, int len, int msg_type)
{
- unsigned char buffer[sizeof(struct gsm_data_frame) + 33];
+ unsigned char buffer[sizeof(struct gsm_data_frame) + len];
struct gsm_data_frame *frame = (struct gsm_data_frame *)buffer;
- frame->msg_type = GSM_TCHF_FRAME;
+ frame->msg_type = msg_type;
frame->callref = p_g_callref;
- memcpy(frame->data, _frame, 33);
+ memcpy(frame->data, _frame, len);
if (p_g_lcr_gsm) {
mncc_send(p_g_lcr_gsm, frame->msg_type, frame);
SCAT(msgtext, " ----");
/* init trace with given values */
- start_trace(0,
+ start_trace(-1,
interface,
port?numberrize_callerinfo(port->p_callerinfo.id, port->p_callerinfo.ntype, options.national, options.international):NULL,
port?port->p_dialinginfo.id:NULL,
msgtext);
}
-/* PROCEEDING INDICATION */
-void Pgsm::call_conf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
+/* modify lchan to given payload type */
+void Pgsm::modify_lchan(int media_type)
{
struct gsm_mncc *mode;
- gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
- if (mncc->fields & MNCC_F_CAUSE) {
- add_trace("cause", "coding", "%d", mncc->cause.coding);
- add_trace("cause", "location", "%", mncc->cause.location);
- add_trace("cause", "value", "%", mncc->cause.value);
- }
- end_trace();
+ /* already modified to that media type */
+ if (p_g_media_type == media_type)
+ return;
- /* modify lchan to GSM codec V1 */
- gsm_trace_header(p_g_interface_name, this, MNCC_LCHAN_MODIFY, DIRECTION_OUT);
+ p_g_media_type = media_type;
+ gsm_trace_header(p_interface_name, this, MNCC_LCHAN_MODIFY, DIRECTION_OUT);
mode = create_mncc(MNCC_LCHAN_MODIFY, p_g_callref);
- mode->lchan_mode = 0x01; /* GSM V1 */
- mode->lchan_type = 0x02;
+ switch (media_type) {
+ case MEDIA_TYPE_GSM_EFR:
+ add_trace("speech", "version", "EFR given");
+ mode->lchan_mode = 0x21; /* GSM V2 */
+ mode->lchan_type = 0x02; /* TCH/F */
+ break;
+ case MEDIA_TYPE_AMR:
+ add_trace("speech", "version", "AMR given");
+ mode->lchan_mode = 0x41; /* GSM V3 */
+ /* as we don't know the available channels, this type will be set by openbsc automatically */
+ mode->lchan_type = 0x02; /* TCH/F */
+ break;
+ case MEDIA_TYPE_GSM_HR:
+ add_trace("speech", "version", "Half Rate given");
+ mode->lchan_mode = 0x01; /* GSM V1 */
+ mode->lchan_type = 0x03; /* TCH/H */
+ default:
+ add_trace("speech", "version", "Full Rate given");
+ mode->lchan_mode = 0x01; /* GSM V1 */
+ mode->lchan_type = 0x02; /* TCH/F */
+ }
add_trace("mode", NULL, "0x%02x", mode->lchan_mode);
end_trace();
send_and_free_mncc(p_g_lcr_gsm, mode->msg_type, mode);
-
}
-/* CALL PROCEEDING INDICATION */
+/* CALL PROCEEDING INDICATION (from network) */
void Pgsm::call_proc_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
{
struct lcr_msg *message;
struct gsm_mncc *frame;
- gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
+ gsm_trace_header(p_interface_name, this, msg_type, DIRECTION_IN);
end_trace();
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_PROCEEDING);
new_state(PORT_STATE_OUT_PROCEEDING);
if (p_g_earlyb && !p_g_tch_connected) { /* only if ... */
- gsm_trace_header(p_g_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
end_trace();
frame = create_mncc(MNCC_FRAME_RECV, p_g_callref);
send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
p_g_tch_connected = 1;
}
+
+ /* modify to GSM FR (this is GSM user side only, so there is FR supported only) */
+ modify_lchan(MEDIA_TYPE_GSM);
}
/* ALERTING INDICATION */
struct lcr_msg *message;
struct gsm_mncc *frame;
- gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
+ gsm_trace_header(p_interface_name, this, msg_type, DIRECTION_IN);
end_trace();
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_ALERTING);
new_state(PORT_STATE_OUT_ALERTING);
if (p_g_earlyb && !p_g_tch_connected) { /* only if ... */
- gsm_trace_header(p_g_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
end_trace();
frame = create_mncc(MNCC_FRAME_RECV, p_g_callref);
send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
p_g_tch_connected = 1;
}
+
+ /* modify to GSM FR, if not already */
+ if (!p_g_media_type) {
+ modify_lchan(MEDIA_TYPE_GSM);
+ }
}
/* CONNECT INDICATION */
p_connectinfo.present = INFO_PRESENT_ALLOWED;
p_connectinfo.screen = INFO_SCREEN_NETWORK;
p_connectinfo.ntype = INFO_NTYPE_UNKNOWN;
- SCPY(p_connectinfo.interface, p_g_interface_name);
+ SCPY(p_connectinfo.interface, p_interface_name);
- gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
+ gsm_trace_header(p_interface_name, this, msg_type, DIRECTION_IN);
if (p_connectinfo.id[0])
add_trace("connect", "number", "%s", p_connectinfo.id);
else if (mncc->imsi[0])
end_trace();
/* send resp */
- gsm_trace_header(p_g_interface_name, this, MNCC_SETUP_COMPL_REQ, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_SETUP_COMPL_REQ, DIRECTION_OUT);
resp = create_mncc(MNCC_SETUP_COMPL_REQ, p_g_callref);
end_trace();
send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
new_state(PORT_STATE_CONNECT);
if (!p_g_tch_connected) { /* only if ... */
- gsm_trace_header(p_g_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
end_trace();
frame = create_mncc(MNCC_FRAME_RECV, p_g_callref);
send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_CONNECT);
memcpy(&message->param.connectinfo, &p_connectinfo, sizeof(struct connect_info));
- message->param.connectinfo.rtpinfo.payload_type = 3; /* FIXME: receive payload type from peer */
+
+ /* if we have a bridge, but not yet modified, the phone accepts out requested payload.
+ * we force the first in list */
+ if (p_g_rtp_bridge) {
+ if (!p_g_media_type) {
+ /* modify to first given type */
+ modify_lchan(p_g_rtp_media_types[0]);
+ /* also set payload type */
+ p_g_payload_type = p_g_rtp_payload_types[0];
+ }
+ message->param.connectinfo.rtpinfo.media_types[0] = p_g_media_type;
+ message->param.connectinfo.rtpinfo.payload_types[0] = p_g_payload_type;
+ message->param.connectinfo.rtpinfo.payloads = 1;
+ } else {
+ /* modify to GSM FR, if not already
+ * for network side, this should have been already happened */
+ if (!p_g_media_type)
+ modify_lchan(MEDIA_TYPE_GSM);
+ }
+
if (p_g_rtp_bridge) {
struct gsm_mncc_rtp *rtp;
{
struct gsm_mncc *frame;
- gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
+ gsm_trace_header(p_interface_name, this, msg_type, DIRECTION_IN);
end_trace();
new_state(PORT_STATE_CONNECT);
if (!p_g_tch_connected) { /* only if ... */
- gsm_trace_header(p_g_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
end_trace();
frame = create_mncc(MNCC_FRAME_RECV, p_g_callref);
send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
p_g_tch_connected = 1;
}
+
+ /* modify to GSM FR, if not already */
+ if (!p_g_media_type) {
+ modify_lchan(MEDIA_TYPE_GSM);
+ }
}
/* DISCONNECT INDICATION */
int cause = 16, location = 0;
struct gsm_mncc *resp;
- gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
+ gsm_trace_header(p_interface_name, this, msg_type, DIRECTION_IN);
if (mncc->fields & MNCC_F_CAUSE) {
location = mncc->cause.location;
cause = mncc->cause.value;
/* send release */
resp = create_mncc(MNCC_REL_REQ, p_g_callref);
- gsm_trace_header(p_g_interface_name, this, MNCC_REL_REQ, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_REL_REQ, DIRECTION_OUT);
#if 0
resp->fields |= MNCC_F_CAUSE;
resp->cause.coding = 3;
int location = 0, cause = 16;
struct lcr_msg *message;
- gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
+ gsm_trace_header(p_interface_name, this, msg_type, DIRECTION_IN);
if (mncc->fields & MNCC_F_CAUSE) {
location = mncc->cause.location;
cause = mncc->cause.value;
{
struct lcr_msg *message;
- gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
+ gsm_trace_header(p_interface_name, this, msg_type, DIRECTION_IN);
add_trace("notify", NULL, "%d", mncc->notify);
end_trace();
// printf("if = %d\n", param->notifyinfo.notify);
if (param->notifyinfo.notify>INFO_NOTIFY_NONE) {
notify = param->notifyinfo.notify & 0x7f;
+ /* skip all notifiy ids that are not 0, 1, 2 */
+ if (notify > 2)
+ return;
if (p_state!=PORT_STATE_CONNECT /*&& p_state!=PORT_STATE_IN_PROCEEDING*/ && p_state!=PORT_STATE_IN_ALERTING) {
/* queue notification */
if (p_g_notify_pending)
memcpy(&p_g_notify_pending->param, param, sizeof(union parameter));
} else {
/* sending notification */
- gsm_trace_header(p_g_interface_name, this, MNCC_NOTIFY_REQ, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_NOTIFY_REQ, DIRECTION_OUT);
add_trace("notify", NULL, "%d", notify);
end_trace();
mncc = create_mncc(MNCC_NOTIFY_REQ, p_g_callref);
p_g_setup_pending = NULL;
}
if (p_g_connect_pending) {
- struct gsm_mncc_rtp *nrtp;
-
PDEBUG(DEBUG_GSM, "Got RTP peer info (%08x,%d) connecting RTP... \n", rtp->ip, rtp->port);
- nrtp = (struct gsm_mncc_rtp *) create_mncc(MNCC_RTP_CONNECT, p_g_callref);
- nrtp->ip = p_g_rtp_ip_remote;
- nrtp->port = p_g_rtp_port_remote;
- send_and_free_mncc(p_g_lcr_gsm, nrtp->msg_type, nrtp);
+ send_mncc_rtp_connect();
}
}
}
if (param->progressinfo.rtpinfo.port) {
- struct gsm_mncc_rtp *rtp;
+ PDEBUG(DEBUG_GSM, "PROGRESS with RTP peer info, sent to BSC (%08x,%d) with media %d, pt %d\n", param->progressinfo.rtpinfo.ip, param->progressinfo.rtpinfo.port, param->progressinfo.rtpinfo.media_types[0], param->progressinfo.rtpinfo.payload_types[0]);
- PDEBUG(DEBUG_GSM, "CONNECT with RTP peer info, sent to BSC (%08x,%d)\n", param->progressinfo.rtpinfo.ip, param->progressinfo.rtpinfo.port);
- rtp = (struct gsm_mncc_rtp *) create_mncc(MNCC_RTP_CONNECT, p_g_callref);
- rtp->ip = param->progressinfo.rtpinfo.ip;
- rtp->port = param->progressinfo.rtpinfo.port;
- send_and_free_mncc(p_g_lcr_gsm, rtp->msg_type, rtp);
+ /* modify channel to givne type, also sets media type */
+ modify_lchan(param->progressinfo.rtpinfo.media_types[0]);
+
+ /* connect RTP */
+ p_g_rtp_ip_remote = param->progressinfo.rtpinfo.ip;
+ p_g_rtp_port_remote = param->progressinfo.rtpinfo.port;
+ /* p_g_media_type is already set by modify_lchan() */
+ p_g_payload_type = param->progressinfo.rtpinfo.payload_types[0];
+ send_mncc_rtp_connect();
}
}
struct gsm_mncc *mncc;
/* send alert */
- gsm_trace_header(p_g_interface_name, this, MNCC_ALERT_REQ, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_ALERT_REQ, DIRECTION_OUT);
mncc = create_mncc(MNCC_ALERT_REQ, p_g_callref);
if (p_g_tones) {
mncc->fields |= MNCC_F_PROGRESS;
new_state(PORT_STATE_IN_ALERTING);
if (p_g_tones && !p_g_tch_connected) { /* only if ... */
- gsm_trace_header(p_g_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
end_trace();
mncc = create_mncc(MNCC_FRAME_RECV, p_g_callref);
send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
p_g_tch_connected = 1;
}
+
+ /* modify to GSM FR, if not already */
+ if (!p_g_media_type) {
+ modify_lchan(MEDIA_TYPE_GSM);
+ }
}
/* MESSAGE_CONNECT */
/* copy connected information */
memcpy(&p_connectinfo, ¶m->connectinfo, sizeof(p_connectinfo));
/* screen outgoing caller id */
- do_screen(1, p_connectinfo.id, sizeof(p_connectinfo.id), &p_connectinfo.ntype, &p_connectinfo.present, p_g_interface_name);
+ do_screen(1, p_connectinfo.id, sizeof(p_connectinfo.id), &p_connectinfo.ntype, &p_connectinfo.present, p_interface_name);
/* send connect */
mncc = create_mncc(MNCC_SETUP_RSP, p_g_callref);
- gsm_trace_header(p_g_interface_name, this, MNCC_SETUP_RSP, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_SETUP_RSP, DIRECTION_OUT);
/* caller information */
mncc->fields |= MNCC_F_CONNECTED;
mncc->connected.plan = 1;
new_state(PORT_STATE_CONNECT_WAITING);
if (param->connectinfo.rtpinfo.port) {
- struct gsm_mncc_rtp *rtp;
-
PDEBUG(DEBUG_GSM, "CONNECT with RTP peer info, sent to BSC (%08x,%d)\n", param->connectinfo.rtpinfo.ip, param->connectinfo.rtpinfo.port);
- rtp = (struct gsm_mncc_rtp *) create_mncc(MNCC_RTP_CONNECT, p_g_callref);
- rtp->ip = param->connectinfo.rtpinfo.ip;
- rtp->port = param->connectinfo.rtpinfo.port;
- send_and_free_mncc(p_g_lcr_gsm, rtp->msg_type, rtp);
- }
+ /* modify channel to givne type, also sets media type */
+ modify_lchan(param->connectinfo.rtpinfo.media_types[0]);
+
+ /* connect RTP */
+ p_g_rtp_ip_remote = param->connectinfo.rtpinfo.ip;
+ p_g_rtp_port_remote = param->connectinfo.rtpinfo.port;
+ /* p_g_media_type is already set by modify_lchan() */
+ p_g_payload_type = param->connectinfo.rtpinfo.payload_types[0];
+ send_mncc_rtp_connect();
+ }
}
/* MESSAGE_DISCONNECT */
/* send disconnect */
mncc = create_mncc(MNCC_DISC_REQ, p_g_callref);
- gsm_trace_header(p_g_interface_name, this, MNCC_DISC_REQ, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_DISC_REQ, DIRECTION_OUT);
if (p_g_tones) {
mncc->fields |= MNCC_F_PROGRESS;
mncc->progress.coding = 3; /* GSM */
add_trace("cause", "coding", "%d", mncc->cause.coding);
add_trace("cause", "location", "%d", mncc->cause.location);
add_trace("cause", "value", "%d", mncc->cause.value);
+#ifdef WITH_GSM_MS
+ /* special case for BS mode */
+ if (param->disconnectinfo.transfer.result && (p_type & PORT_CLASS_GSM_MASK) == PORT_CLASS_GSM_BS) {
+ ((class Pgsm_bs *)this)->enc_ie_facility_ect(mncc, ¶m->disconnectinfo.transfer);
+ gsm_trace_facility((unsigned char *)mncc->facility.info, mncc->facility.len);
+ }
+#endif
end_trace();
send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
new_state(PORT_STATE_OUT_DISCONNECT);
if (p_g_tones && !p_g_tch_connected) { /* only if ... */
- gsm_trace_header(p_g_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
end_trace();
mncc = create_mncc(MNCC_FRAME_RECV, p_g_callref);
send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
/* send release */
mncc = create_mncc(MNCC_REL_REQ, p_g_callref);
- gsm_trace_header(p_g_interface_name, this, MNCC_REL_REQ, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_REL_REQ, DIRECTION_OUT);
mncc->fields |= MNCC_F_CAUSE;
mncc->cause.coding = 3;
mncc->cause.location = param->disconnectinfo.location;
/* free all the calls that were running through the MNCC interface */
port = port_first;
while(port) {
- if ((port->p_type & PORT_CLASS_mISDN_MASK) == PORT_CLASS_GSM) {
+ if ((port->p_type & PORT_CLASS_MASK) == PORT_CLASS_GSM) {
pgsm = (class Pgsm *)port;
if (pgsm->p_g_lcr_gsm == lcr_gsm) {
message = message_create(pgsm->p_serial, ACTIVE_EPOINT(pgsm->p_epointlist), PORT_TO_EPOINT, MESSAGE_RELEASE);
int rc;
static char buf[sizeof(struct gsm_mncc)+1024];
struct gsm_mncc *mncc_prim = (struct gsm_mncc *) buf;
+ struct gsm_mncc_hello *hello = (struct gsm_mncc_hello *) buf;
memset(buf, 0, sizeof(buf));
rc = recv(lfd->fd, buf, sizeof(buf), 0);
if (rc < 0)
return rc;
+ /* TODO: size check? */
+ switch (mncc_prim->msg_type) {
+ case MNCC_SOCKET_HELLO:
+ if (hello->version != MNCC_SOCK_VERSION) {
+ PERROR("MNCC version different. BSC version is %u\n", hello->version);
+ mncc_fd_close(lcr_gsm, lfd);
+ return 0;
+ }
+ if (hello->mncc_size != sizeof(struct gsm_mncc)) {
+ PERROR("MNCC gsm_mncc size differs: %u %u\n",
+ hello->mncc_size, sizeof(struct gsm_mncc));
+ mncc_fd_close(lcr_gsm, lfd);
+ return 0;
+ }
+ if (hello->data_frame_size != sizeof(struct gsm_data_frame)) {
+ PERROR("MNCC gsm_mncc size differs: %u %u\n",
+ hello->data_frame_size, sizeof(struct gsm_data_frame));
+ mncc_fd_close(lcr_gsm, lfd);
+ return 0;
+ }
+
+#define CHECK_OFFSET(hello, field, lcr_gsm, lfd) \
+ if (hello->field ##_offset != __builtin_offsetof(struct gsm_mncc, field)) { \
+ PERROR("MNCC gsm_mncc offset of %s is %u %u\n", \
+ #field, hello->field ##_offset, \
+ __builtin_offsetof(struct gsm_mncc, field)); \
+ mncc_fd_close(lcr_gsm, lfd); \
+ return 0; \
+ }
+
+ CHECK_OFFSET(hello, called, lcr_gsm, lfd);
+ CHECK_OFFSET(hello, signal, lcr_gsm, lfd);
+ CHECK_OFFSET(hello, emergency, lcr_gsm, lfd);
+ CHECK_OFFSET(hello, lchan_type, lcr_gsm, lfd);
+#undef CHECK_OFFSET
+
+ break;
+ }
+
/* Hand the MNCC message into LCR */
switch (lcr_gsm->type) {
#ifdef WITH_GSM_BS