{ 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);
*/
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;
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_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)
return;
switch (frame->msg_type) {
+ case ANALOG_8000HZ:
+ if (p_g_media_type != MEDIA_TYPE_ANALOG) {
+ PERROR("'Analog' frame, but current media type mismatches.\n");
+ return;
+ }
+ for (i = 0; i < 160; i++) {
+ data[i] = audio_s16_to_law[((int16_t *)frame->data)[i] & 0xffff];
+ }
+ break;
case GSM_TCHF_FRAME:
if (p_g_media_type != MEDIA_TYPE_GSM) {
PERROR("FR frame, but current media type mismatches.\n");
}
#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++) {
+ data[i] = audio_s16_to_law[p_g_samples[i] & 0xffff];
+ }
+#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");
/* send traffic to gsm */
int Pgsm::bridge_rx(unsigned char *data, int len)
{
+ int ret;
+
+ if ((ret = Port::bridge_rx(data, len)))
+ return ret;
+
if (p_tone_name[0])
return -EINVAL;
int Pgsm::audio_send(unsigned char *data, int len)
{
unsigned char frame[33];
- int ret;
/* record data */
if (p_record)
p_g_rxpos = 0;
switch (p_g_media_type) {
+ case MEDIA_TYPE_ANALOG:
+ frame_send(p_g_rxdata, 320, ANALOG_8000HZ);
+ break;
case MEDIA_TYPE_GSM:
if (!p_g_fr_encoder) {
PERROR("FR frame, but encoder not created.\n");
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_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");
}
#ifdef WITH_GSMAMR
/* encode data (prefix a length byte) */
+ int ret;
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);
SCPY(p_connectinfo.imsi, mncc->imsi);
p_connectinfo.present = INFO_PRESENT_ALLOWED;
p_connectinfo.screen = INFO_SCREEN_NETWORK;
- p_connectinfo.ntype = INFO_NTYPE_UNKNOWN;
+ switch (mncc->connected.type) {
+ case 0x1:
+ p_connectinfo.ntype = INFO_NTYPE_INTERNATIONAL;
+ break;
+ case 0x2:
+ p_connectinfo.ntype = INFO_NTYPE_NATIONAL;
+ break;
+ case 0x4:
+ p_connectinfo.ntype = INFO_NTYPE_SUBSCRIBER;
+ break;
+ default:
+ p_connectinfo.ntype = INFO_NTYPE_UNKNOWN;
+ break;
+ }
SCPY(p_connectinfo.interface, p_interface_name);
gsm_trace_header(p_interface_name, this, msg_type, DIRECTION_IN);
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 */
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 */
/* FIXME: the caller should provide this */
switch (msg_type) {
+ case ANALOG_8000HZ:
+ len = sizeof(struct gsm_data_frame) + 320;
+ break;
case GSM_TCHF_FRAME:
len = sizeof(struct gsm_data_frame) + 33;
break;
/* 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);
- message->param.disconnectinfo.cause = 27; // temp. unavail.
+ message->param.disconnectinfo.cause = 41; // temp. fail.
message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
message_put(message);
pgsm->new_state(PORT_STATE_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;
+ class Port *port;
+ class Pgsm *pgsm = NULL;
+ unsigned int callref;
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;
+ }
+
+ /* Find port object */
+ callref = mncc_prim->callref;
+ port = port_first;
+ while(port) {
+ if ((port->p_type & PORT_CLASS_MASK) == PORT_CLASS_GSM) {
+ pgsm = (class Pgsm *)port;
+ if (pgsm->p_g_lcr_gsm == lcr_gsm && pgsm->p_g_callref == callref)
+ break;
+ }
+ port = port->next;
+ }
+
/* Hand the MNCC message into LCR */
switch (lcr_gsm->type) {
#ifdef WITH_GSM_BS
case LCR_GSM_TYPE_NETWORK:
- return message_bsc(lcr_gsm, mncc_prim->msg_type, mncc_prim);
+ if (port && (port->p_type & PORT_CLASS_GSM_MASK) != PORT_CLASS_GSM_BS)
+ FATAL("Port is set and bound to network socket, but is not of network type, please fix");
+ return message_bsc((class Pgsm_bs *)port, lcr_gsm, mncc_prim->msg_type, mncc_prim);
#endif
#ifdef WITH_GSM_MS
case LCR_GSM_TYPE_MS:
- return message_ms(lcr_gsm, mncc_prim->msg_type, mncc_prim);
+ if (port && (port->p_type & PORT_CLASS_GSM_MASK) != PORT_CLASS_GSM_MS)
+ FATAL("Port is set and bound to mobile socket, but is not of mobile type, please fix");
+ return message_ms((class Pgsm_ms *)port, lcr_gsm, mncc_prim->msg_type, mncc_prim);
#endif
default:
return 0;