1 /*****************************************************************************\
5 **---------------------------------------------------------------------------**
6 ** Copyright: Andreas Eversberg **
7 ** MNCC-Interface: Harald Welte **
11 \*****************************************************************************/
20 #include "gsm_audio.h"
25 #define SOCKET_RETRY_TIMER 5
27 //struct lcr_gsm *gsm = NULL;
31 /* names of MNCC-SAP */
32 static const struct _value_string {
36 { 0, "New call ref" },
37 { 1, "Codec negotiation" },
38 { MNCC_SETUP_REQ, "MNCC_SETUP_REQ" },
39 { MNCC_SETUP_IND, "MNCC_SETUP_IND" },
40 { MNCC_SETUP_RSP, "MNCC_SETUP_RSP" },
41 { MNCC_SETUP_CNF, "MNCC_SETUP_CNF" },
42 { MNCC_SETUP_COMPL_REQ, "MNCC_SETUP_COMPL_REQ" },
43 { MNCC_SETUP_COMPL_IND, "MNCC_SETUP_COMPL_IND" },
44 { MNCC_CALL_CONF_IND, "MNCC_CALL_CONF_IND" },
45 { MNCC_CALL_PROC_REQ, "MNCC_CALL_PROC_REQ" },
46 { MNCC_PROGRESS_REQ, "MNCC_PROGRESS_REQ" },
47 { MNCC_ALERT_REQ, "MNCC_ALERT_REQ" },
48 { MNCC_ALERT_IND, "MNCC_ALERT_IND" },
49 { MNCC_NOTIFY_REQ, "MNCC_NOTIFY_REQ" },
50 { MNCC_NOTIFY_IND, "MNCC_NOTIFY_IND" },
51 { MNCC_DISC_REQ, "MNCC_DISC_REQ" },
52 { MNCC_DISC_IND, "MNCC_DISC_IND" },
53 { MNCC_REL_REQ, "MNCC_REL_REQ" },
54 { MNCC_REL_IND, "MNCC_REL_IND" },
55 { MNCC_REL_CNF, "MNCC_REL_CNF" },
56 { MNCC_FACILITY_REQ, "MNCC_FACILITY_REQ" },
57 { MNCC_FACILITY_IND, "MNCC_FACILITY_IND" },
58 { MNCC_START_DTMF_IND, "MNCC_START_DTMF_IND" },
59 { MNCC_START_DTMF_RSP, "MNCC_START_DTMF_RSP" },
60 { MNCC_START_DTMF_REJ, "MNCC_START_DTMF_REJ" },
61 { MNCC_STOP_DTMF_IND, "MNCC_STOP_DTMF_IND" },
62 { MNCC_STOP_DTMF_RSP, "MNCC_STOP_DTMF_RSP" },
63 { MNCC_MODIFY_REQ, "MNCC_MODIFY_REQ" },
64 { MNCC_MODIFY_IND, "MNCC_MODIFY_IND" },
65 { MNCC_MODIFY_RSP, "MNCC_MODIFY_RSP" },
66 { MNCC_MODIFY_CNF, "MNCC_MODIFY_CNF" },
67 { MNCC_MODIFY_REJ, "MNCC_MODIFY_REJ" },
68 { MNCC_HOLD_IND, "MNCC_HOLD_IND" },
69 { MNCC_HOLD_CNF, "MNCC_HOLD_CNF" },
70 { MNCC_HOLD_REJ, "MNCC_HOLD_REJ" },
71 { MNCC_RETRIEVE_IND, "MNCC_RETRIEVE_IND" },
72 { MNCC_RETRIEVE_CNF, "MNCC_RETRIEVE_CNF" },
73 { MNCC_RETRIEVE_REJ, "MNCC_RETRIEVE_REJ" },
74 { MNCC_USERINFO_REQ, "MNCC_USERINFO_REQ" },
75 { MNCC_USERINFO_IND, "MNCC_USERINFO_IND" },
76 { MNCC_REJ_REQ, "MNCC_REJ_REQ" },
77 { MNCC_REJ_IND, "MNCC_REJ_IND" },
78 { MNCC_PROGRESS_IND, "MNCC_PROGRESS_IND" },
79 { MNCC_CALL_PROC_IND, "MNCC_CALL_PROC_IND" },
80 { MNCC_CALL_CONF_REQ, "MNCC_CALL_CONF_REQ" },
81 { MNCC_START_DTMF_REQ, "MNCC_START_DTMF_REQ" },
82 { MNCC_STOP_DTMF_REQ, "MNCC_STOP_DTMF_REQ" },
83 { MNCC_HOLD_REQ, "MNCC_HOLD_REQ " },
84 { MNCC_RETRIEVE_REQ, "MNCC_RETRIEVE_REQ" },
86 { MNCC_LCHAN_MODIFY, "MNCC_LCHAN_MODIFY" },
88 { MNCC_BRIDGE, "MNCC_BRIDGE" },
89 { MNCC_FRAME_RECV, "MNCC_FRAME_RECV" },
90 { MNCC_FRAME_DROP, "MNCC_FRAME_DROP" },
91 { MNCC_RTP_CREATE, "MNCC_RTP_CREATE" },
92 { MNCC_RTP_CONNECT, "MNCC_RTP_CONNECT" },
93 { MNCC_RTP_FREE, "MNCC_RTP_FREE" },
98 const char *mncc_name(int value)
103 while (mncc_names[i].name) {
104 if (mncc_names[i].msg_type == value)
105 return mncc_names[i].name;
108 SPRINT(ukn, "unknown(0x%x)", value);
112 static int mncc_send(struct lcr_gsm *lcr_gsm, int msg_type, void *data);
115 * create and send mncc message
117 struct gsm_mncc *create_mncc(int msg_type, unsigned int callref)
119 struct gsm_mncc *mncc;
121 mncc = (struct gsm_mncc *)MALLOC(sizeof(struct gsm_mncc));
122 mncc->msg_type = msg_type;
123 mncc->callref = callref;
126 int send_and_free_mncc(struct lcr_gsm *lcr_gsm, unsigned int msg_type, void *data)
131 ret = mncc_send(lcr_gsm, msg_type, data);
138 void Pgsm::send_mncc_rtp_connect(void)
140 struct gsm_mncc_rtp *nrtp;
142 nrtp = (struct gsm_mncc_rtp *) create_mncc(MNCC_RTP_CONNECT, p_g_callref);
143 nrtp->ip = p_g_rtp_ip_remote;
144 nrtp->port = p_g_rtp_port_remote;
145 switch (p_g_media_type) {
147 nrtp->payload_msg_type = GSM_TCHF_FRAME;
149 case MEDIA_TYPE_GSM_EFR:
150 nrtp->payload_msg_type = GSM_TCHF_FRAME_EFR;
153 nrtp->payload_msg_type = GSM_TCH_FRAME_AMR;
155 case MEDIA_TYPE_GSM_HR:
156 nrtp->payload_msg_type = GSM_TCHH_FRAME;
159 nrtp->payload_type = p_g_payload_type;
160 PDEBUG(DEBUG_GSM, "sending MNCC RTP connect with payload_msg_type=%x, payload_type=%d\n", nrtp->payload_msg_type, nrtp->payload_type);
161 send_and_free_mncc(p_g_lcr_gsm, nrtp->msg_type, nrtp);
164 static int delete_event(struct lcr_work *work, void *instance, int index);
169 Pgsm::Pgsm(int type, char *portname, struct port_settings *settings, struct interface *interface) : Port(type, portname, settings, interface)
172 signed short homing[160];
177 if (interface->is_tones == IS_YES)
180 if (interface->is_earlyb == IS_YES)
183 if (interface->rtp_bridge)
185 p_g_rtp_payloads = 0;
186 memset(&p_g_samples, 0, sizeof(p_g_samples));
187 p_callerinfo.itype = (interface->extension)?INFO_ITYPE_ISDN_EXTENSION:INFO_ITYPE_ISDN;
188 memset(&p_g_delete, 0, sizeof(p_g_delete));
189 add_work(&p_g_delete, delete_event, this, 0);
194 p_g_gsm_b_index = -1;
195 p_g_gsm_b_active = 0;
196 p_g_notify_pending = NULL;
197 p_g_setup_pending = NULL;
198 p_g_connect_pending = NULL;
199 p_g_fr_decoder = NULL;
200 p_g_fr_encoder = NULL;
201 p_g_hr_decoder = NULL;
202 p_g_hr_encoder = NULL;
203 p_g_amr_decoder = NULL;
204 p_g_amr_encoder = NULL;
206 p_g_amr_cmr_valid = 0;
208 p_g_fr_decoder = gsm_fr_create();
209 p_g_fr_encoder = gsm_fr_create();
210 if (!p_g_fr_encoder || !p_g_fr_decoder) {
211 PERROR("Failed to create GSM FR codec instance\n");
212 trigger_work(&p_g_delete);
216 p_g_hr_decoder = gsm_hr_create();
217 p_g_hr_encoder = gsm_hr_create();
218 if (!p_g_hr_encoder || !p_g_hr_decoder) {
219 PERROR("Failed to create GSM HR codec instance\n");
220 trigger_work(&p_g_delete);
223 for (i = 0; i < 160; i++)
225 gsm_hr_encode(p_g_hr_encoder, homing, NULL);
228 p_g_amr_decoder = gsm_amr_create();
229 p_g_amr_encoder = gsm_amr_create();
230 if (!p_g_amr_encoder || !p_g_amr_decoder) {
231 PERROR("Failed to create GSM AMR codec instance\n");
232 trigger_work(&p_g_delete);
236 p_g_tch_connected = 0;
239 PDEBUG(DEBUG_GSM, "Created new GSMPort(%s).\n", portname);
247 PDEBUG(DEBUG_GSM, "Destroyed GSM process(%s).\n", p_name);
249 del_work(&p_g_delete);
251 /* remove queued message */
252 if (p_g_notify_pending)
253 message_free(p_g_notify_pending);
254 if (p_g_setup_pending)
255 message_free(p_g_setup_pending);
256 if (p_g_connect_pending)
257 message_free(p_g_connect_pending);
262 gsm_fr_destroy(p_g_fr_encoder);
264 gsm_fr_destroy(p_g_fr_decoder);
268 gsm_hr_destroy(p_g_hr_encoder);
270 gsm_hr_destroy(p_g_hr_decoder);
275 gsm_amr_destroy(p_g_amr_encoder);
277 gsm_amr_destroy(p_g_amr_decoder);
282 /* receive encoded frame from gsm */
283 void Pgsm::frame_receive(void *arg)
285 struct gsm_data_frame *frame = (struct gsm_data_frame *)arg;
286 unsigned char data[160];
292 switch (frame->msg_type) {
294 if (p_g_media_type != MEDIA_TYPE_GSM) {
295 PERROR("FR frame, but current media type mismatches.\n");
298 if (!p_g_fr_decoder) {
299 PERROR("FR frame, but decoder not created.\n");
302 if ((frame->data[0]>>4) != 0xd) {
303 PDEBUG(DEBUG_GSM, "received GSM frame with wrong magig 0x%x\n", frame->data[0]>>4);
308 gsm_fr_decode(p_g_fr_decoder, frame->data, p_g_samples);
309 for (i = 0; i < 160; i++) {
310 data[i] = audio_s16_to_law[p_g_samples[i] & 0xffff];
315 if (p_g_media_type != MEDIA_TYPE_GSM_HR) {
316 PERROR("HR frame, but current media type mismatches.\n");
319 if (!p_g_hr_decoder) {
320 PERROR("HR frame, but decoder not created.\n");
323 if ((frame->data[0]>>4) != 0x0)
327 if (gsm_hr_decode(p_g_hr_decoder, frame->data, p_g_samples))
329 for (i = 0; i < 160; i++) {
330 data[i] = audio_s16_to_law[p_g_samples[i] & 0xffff];
334 case GSM_TCHF_FRAME_EFR:
335 if (p_g_media_type != MEDIA_TYPE_GSM_EFR) {
336 PERROR("EFR frame, but current media type mismatches.\n");
339 if (!p_g_amr_decoder) {
340 PERROR("EFR frame, but decoder not created.\n");
343 if ((frame->data[0]>>4) != 0xc)
347 gsm_efr_decode(p_g_amr_decoder, frame->data, p_g_samples);
348 for (i = 0; i < 160; i++) {
349 data[i] = audio_s16_to_law[p_g_samples[i] & 0xffff];
353 case GSM_TCH_FRAME_AMR:
354 if (p_g_media_type != MEDIA_TYPE_AMR) {
355 PERROR("AMR frame, but current media type mismatches.\n");
358 if (!p_g_amr_decoder) {
359 PERROR("AMR frame, but decoder not created.\n");
362 cmr = (frame->data[1] >> 4);
365 p_g_amr_cmr_valid = 1;
367 if (!(frame->data[2] & 0x04))
370 /* decode (skip length byte in front) */
371 gsm_amr_decode(p_g_amr_decoder, frame->data + 1, p_g_samples);
372 for (i = 0; i < 160; i++) {
373 data[i] = audio_s16_to_law[p_g_samples[i] & 0xffff];
381 /* beep on bad frame */
382 for (i = 0; i < 160; i++) {
384 p_g_samples[i] = 15000;
386 p_g_samples[i] = -15000;
387 data[i] = audio_s16_to_law[p_g_samples[i] & 0xffff];
390 /* repeat on bad frame */
391 for (i = 0; i < 160; i++) {
392 p_g_samples[i] = (p_g_samples[i] * 14) >> 4;
393 data[i] = audio_s16_to_law[p_g_samples[i] & 0xffff];
400 record(data, 160, 0); // from down
402 tap(data, 160, 0); // from down
406 bridge_rx(data, 160);
409 bridge_tx(data, 160);
412 /* send traffic to gsm */
413 int Pgsm::bridge_rx(unsigned char *data, int len)
417 if ((ret = Port::bridge_rx(data, len)))
423 return audio_send(data, len);
426 int Pgsm::audio_send(unsigned char *data, int len)
428 unsigned char frame[33];
433 record(data, len, 1); // from up
435 tap(data, len, 1); // from up
437 /* encoder init failed */
441 /* (currently) not connected, so don't flood tch! */
442 if (!p_g_tch_connected)
445 /* write to rx buffer */
447 p_g_rxdata[p_g_rxpos++] = audio_law_to_s32[*data++];
448 if (p_g_rxpos != 160)
452 switch (p_g_media_type) {
454 if (!p_g_fr_encoder) {
455 PERROR("FR frame, but encoder not created.\n");
460 gsm_fr_encode(p_g_fr_encoder, p_g_rxdata, frame);
461 frame_send(frame, 33, GSM_TCHF_FRAME);
464 case MEDIA_TYPE_GSM_HR:
465 if (!p_g_hr_encoder) {
466 PERROR("HR frame, but encoder not created.\n");
471 gsm_hr_encode(p_g_hr_encoder, p_g_rxdata, frame);
472 frame_send(frame, 15, GSM_TCHH_FRAME);
475 case MEDIA_TYPE_GSM_EFR:
476 if (!p_g_amr_encoder) {
477 PERROR("EFR frame, but encoder not created.\n");
482 gsm_efr_encode(p_g_amr_encoder, p_g_rxdata, frame);
483 frame_send(frame, 31, GSM_TCHF_FRAME_EFR);
487 if (!p_g_amr_encoder) {
488 PERROR("AMR frame, but encoder not created.\n");
491 if (!p_g_amr_cmr_valid) {
492 PDEBUG(DEBUG_GSM, "no valid CMR yet.\n");
496 /* encode data (prefix a length byte) */
497 ret = gsm_amr_encode(p_g_amr_encoder, p_g_rxdata, frame + 1, p_g_amr_cmr);
499 frame_send(frame, ret + 1, GSM_TCH_FRAME_AMR);
508 void Pgsm::frame_send(void *_frame, int len, int msg_type)
510 unsigned char buffer[sizeof(struct gsm_data_frame) + len];
511 struct gsm_data_frame *frame = (struct gsm_data_frame *)buffer;
513 frame->msg_type = msg_type;
514 frame->callref = p_g_callref;
515 memcpy(frame->data, _frame, len);
518 mncc_send(p_g_lcr_gsm, frame->msg_type, frame);
525 void gsm_trace_header(const char *interface_name, class Pgsm *port, unsigned int msg_type, int direction)
528 struct interface *interface = interface_first;
530 interface = getinterfacebyname(interface_name);
534 /* select message and primitive text */
535 SCPY(msgtext, mncc_name(msg_type));
539 switch(port->p_type) {
540 case PORT_TYPE_GSM_BS_OUT:
541 case PORT_TYPE_GSM_BS_IN:
542 SCAT(msgtext, " LCR<->BSC");
544 case PORT_TYPE_GSM_MS_OUT:
545 case PORT_TYPE_GSM_MS_IN:
546 SCAT(msgtext, " LCR<->MS");
550 SCAT(msgtext, " ----");
552 /* init trace with given values */
555 port?numberrize_callerinfo(port->p_callerinfo.id, port->p_callerinfo.ntype, options.national, options.international):NULL,
556 port?port->p_dialinginfo.id:NULL,
559 port?port->p_serial:0,
563 /* modify lchan to given payload type */
564 void Pgsm::modify_lchan(int media_type)
566 struct gsm_mncc *mode;
568 /* already modified to that media type */
569 if (p_g_media_type == media_type)
572 p_g_media_type = media_type;
573 gsm_trace_header(p_interface_name, this, MNCC_LCHAN_MODIFY, DIRECTION_OUT);
574 mode = create_mncc(MNCC_LCHAN_MODIFY, p_g_callref);
575 switch (media_type) {
576 case MEDIA_TYPE_GSM_EFR:
577 add_trace("speech", "version", "EFR given");
578 mode->lchan_mode = 0x21; /* GSM V2 */
581 add_trace("speech", "version", "AMR given");
582 mode->lchan_mode = 0x41; /* GSM V3 */
585 add_trace("speech", "version", "Full/Half Rate given");
586 mode->lchan_mode = 0x01; /* GSM V1 */
588 mode->lchan_type = 0x02; /* FIXME: unused */
589 add_trace("mode", NULL, "0x%02x", mode->lchan_mode);
591 send_and_free_mncc(p_g_lcr_gsm, mode->msg_type, mode);
594 /* CALL PROCEEDING INDICATION (from network) */
595 void Pgsm::call_proc_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
597 struct lcr_msg *message;
598 struct gsm_mncc *frame;
600 gsm_trace_header(p_interface_name, this, msg_type, DIRECTION_IN);
603 message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_PROCEEDING);
604 message_put(message);
606 new_state(PORT_STATE_OUT_PROCEEDING);
608 if (p_g_earlyb && !p_g_tch_connected) { /* only if ... */
609 gsm_trace_header(p_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
611 frame = create_mncc(MNCC_FRAME_RECV, p_g_callref);
612 send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
613 p_g_tch_connected = 1;
616 /* modify to GSM FR (this is GSM user side only, so there is FR supported only) */
617 modify_lchan(MEDIA_TYPE_GSM);
620 /* ALERTING INDICATION */
621 void Pgsm::alert_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
623 struct lcr_msg *message;
624 struct gsm_mncc *frame;
626 gsm_trace_header(p_interface_name, this, msg_type, DIRECTION_IN);
629 message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_ALERTING);
630 message_put(message);
632 new_state(PORT_STATE_OUT_ALERTING);
634 if (p_g_earlyb && !p_g_tch_connected) { /* only if ... */
635 gsm_trace_header(p_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
637 frame = create_mncc(MNCC_FRAME_RECV, p_g_callref);
638 send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
639 p_g_tch_connected = 1;
642 /* modify to GSM FR, if not already */
643 if (!p_g_media_type) {
644 modify_lchan(MEDIA_TYPE_GSM);
648 /* CONNECT INDICATION */
649 void Pgsm::setup_cnf(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
651 struct gsm_mncc *resp, *frame;
652 struct lcr_msg *message;
654 SCPY(p_connectinfo.id, mncc->connected.number);
655 SCPY(p_connectinfo.imsi, mncc->imsi);
656 p_connectinfo.present = INFO_PRESENT_ALLOWED;
657 p_connectinfo.screen = INFO_SCREEN_NETWORK;
658 p_connectinfo.ntype = INFO_NTYPE_UNKNOWN;
659 SCPY(p_connectinfo.interface, p_interface_name);
661 gsm_trace_header(p_interface_name, this, msg_type, DIRECTION_IN);
662 if (p_connectinfo.id[0])
663 add_trace("connect", "number", "%s", p_connectinfo.id);
664 else if (mncc->imsi[0])
665 SPRINT(p_connectinfo.id, "imsi-%s", p_connectinfo.imsi);
667 add_trace("connect", "imsi", "%s", p_connectinfo.imsi);
671 gsm_trace_header(p_interface_name, this, MNCC_SETUP_COMPL_REQ, DIRECTION_OUT);
672 resp = create_mncc(MNCC_SETUP_COMPL_REQ, p_g_callref);
674 send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
676 new_state(PORT_STATE_CONNECT);
678 if (!p_g_tch_connected) { /* only if ... */
679 gsm_trace_header(p_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
681 frame = create_mncc(MNCC_FRAME_RECV, p_g_callref);
682 send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
683 p_g_tch_connected = 1;
686 message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_CONNECT);
687 memcpy(&message->param.connectinfo, &p_connectinfo, sizeof(struct connect_info));
689 /* if we have a bridge, but not yet modified, the phone accepts out requested payload.
690 * we force the first in list */
691 if (p_g_rtp_bridge) {
692 if (!p_g_media_type) {
693 /* modify to first given type */
694 modify_lchan(p_g_rtp_media_types[0]);
695 /* also set payload type */
696 p_g_payload_type = p_g_rtp_payload_types[0];
698 message->param.connectinfo.rtpinfo.media_types[0] = p_g_media_type;
699 message->param.connectinfo.rtpinfo.payload_types[0] = p_g_payload_type;
700 message->param.connectinfo.rtpinfo.payloads = 1;
702 /* modify to GSM FR, if not already
703 * for network side, this should have been already happened */
705 modify_lchan(MEDIA_TYPE_GSM);
709 if (p_g_rtp_bridge) {
710 struct gsm_mncc_rtp *rtp;
712 PDEBUG(DEBUG_GSM, "Request RTP peer info, before forwarding connect msg\n");
713 p_g_connect_pending = message;
714 rtp = (struct gsm_mncc_rtp *) create_mncc(MNCC_RTP_CREATE, p_g_callref);
715 send_and_free_mncc(p_g_lcr_gsm, rtp->msg_type, rtp);
717 message_put(message);
720 /* CONNECT ACK INDICATION */
721 void Pgsm::setup_compl_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
723 struct gsm_mncc *frame;
725 gsm_trace_header(p_interface_name, this, msg_type, DIRECTION_IN);
728 new_state(PORT_STATE_CONNECT);
730 if (!p_g_tch_connected) { /* only if ... */
731 gsm_trace_header(p_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
733 frame = create_mncc(MNCC_FRAME_RECV, p_g_callref);
734 send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
735 p_g_tch_connected = 1;
738 /* modify to GSM FR, if not already */
739 if (!p_g_media_type) {
740 modify_lchan(MEDIA_TYPE_GSM);
744 /* DISCONNECT INDICATION */
745 void Pgsm::disc_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
747 struct lcr_msg *message;
748 int cause = 16, location = 0;
749 struct gsm_mncc *resp;
751 gsm_trace_header(p_interface_name, this, msg_type, DIRECTION_IN);
752 if (mncc->fields & MNCC_F_CAUSE) {
753 location = mncc->cause.location;
754 cause = mncc->cause.value;
755 add_trace("cause", "coding", "%d", mncc->cause.coding);
756 add_trace("cause", "location", "%d", location);
757 add_trace("cause", "value", "%d", cause);
762 resp = create_mncc(MNCC_REL_REQ, p_g_callref);
763 gsm_trace_header(p_interface_name, this, MNCC_REL_REQ, DIRECTION_OUT);
765 resp->fields |= MNCC_F_CAUSE;
766 resp->cause.coding = 3;
767 resp->cause.location = 1;
768 resp->cause.value = cause;
769 add_trace("cause", "coding", "%d", resp->cause.coding);
770 add_trace("cause", "location", "%d", resp->cause.location);
771 add_trace("cause", "value", "%d", resp->cause.value);
774 send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
776 /* sending release to endpoint */
777 while(p_epointlist) {
778 message = message_create(p_serial, p_epointlist->epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
779 message->param.disconnectinfo.cause = cause;
780 message->param.disconnectinfo.location = location;
781 message_put(message);
783 free_epointlist(p_epointlist);
785 new_state(PORT_STATE_RELEASE);
786 trigger_work(&p_g_delete);
789 /* CC_RELEASE INDICATION */
790 void Pgsm::rel_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
792 int location = 0, cause = 16;
793 struct lcr_msg *message;
795 gsm_trace_header(p_interface_name, this, msg_type, DIRECTION_IN);
796 if (mncc->fields & MNCC_F_CAUSE) {
797 location = mncc->cause.location;
798 cause = mncc->cause.value;
799 add_trace("cause", "coding", "%d", mncc->cause.coding);
800 add_trace("cause", "location", "%d", mncc->cause.location);
801 add_trace("cause", "value", "%d", mncc->cause.value);
805 /* sending release to endpoint */
806 while(p_epointlist) {
807 message = message_create(p_serial, p_epointlist->epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
808 message->param.disconnectinfo.cause = cause;
809 message->param.disconnectinfo.location = location;
810 message_put(message);
812 free_epointlist(p_epointlist);
814 new_state(PORT_STATE_RELEASE);
815 trigger_work(&p_g_delete);
818 /* NOTIFY INDICATION */
819 void Pgsm::notify_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
821 struct lcr_msg *message;
823 gsm_trace_header(p_interface_name, this, msg_type, DIRECTION_IN);
824 add_trace("notify", NULL, "%d", mncc->notify);
827 message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_NOTIFY);
828 message->param.notifyinfo.notify = mncc->notify;
829 message_put(message);
833 void Pgsm::message_notify(unsigned int epoint_id, int message_id, union parameter *param)
835 struct gsm_mncc *mncc;
838 // printf("if = %d\n", param->notifyinfo.notify);
839 if (param->notifyinfo.notify>INFO_NOTIFY_NONE) {
840 notify = param->notifyinfo.notify & 0x7f;
841 if (p_state!=PORT_STATE_CONNECT /*&& p_state!=PORT_STATE_IN_PROCEEDING*/ && p_state!=PORT_STATE_IN_ALERTING) {
842 /* queue notification */
843 if (p_g_notify_pending)
844 message_free(p_g_notify_pending);
845 p_g_notify_pending = message_create(ACTIVE_EPOINT(p_epointlist), p_serial, EPOINT_TO_PORT, message_id);
846 memcpy(&p_g_notify_pending->param, param, sizeof(union parameter));
848 /* sending notification */
849 gsm_trace_header(p_interface_name, this, MNCC_NOTIFY_REQ, DIRECTION_OUT);
850 add_trace("notify", NULL, "%d", notify);
852 mncc = create_mncc(MNCC_NOTIFY_REQ, p_g_callref);
853 mncc->notify = notify;
854 send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
859 /* RTP create indication */
860 void Pgsm::rtp_create_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
862 struct gsm_mncc_rtp *rtp = (struct gsm_mncc_rtp *) mncc;
864 /* send queued setup, as we received remote RTP info */
865 if (p_g_setup_pending) {
866 struct lcr_msg *message;
868 message = p_g_setup_pending;
869 PDEBUG(DEBUG_GSM, "Got RTP peer info (%08x,%d) forwarding setup\n", rtp->ip, rtp->port);
870 message->param.setup.rtpinfo.ip = rtp->ip;
871 message->param.setup.rtpinfo.port = rtp->port;
872 message_put(message);
873 p_g_setup_pending = NULL;
875 if (p_g_connect_pending) {
876 PDEBUG(DEBUG_GSM, "Got RTP peer info (%08x,%d) connecting RTP... \n", rtp->ip, rtp->port);
877 send_mncc_rtp_connect();
881 /* RTP connect indication */
882 void Pgsm::rtp_connect_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
884 struct lcr_msg *message;
885 struct gsm_mncc_rtp *rtp = (struct gsm_mncc_rtp *) mncc;
887 if (p_g_connect_pending) {
888 message = p_g_connect_pending;
889 PDEBUG(DEBUG_GSM, "Got RTP peer info (%08x,%d) forwarding connect\n", rtp->ip, rtp->port);
890 message->param.connectinfo.rtpinfo.ip = rtp->ip;
891 message->param.connectinfo.rtpinfo.port = rtp->port;
892 message_put(message);
893 p_g_connect_pending = NULL;
897 /* MESSAGE_PROGRESS */
898 void Pgsm::message_progress(unsigned int epoint_id, int message_id, union parameter *param)
900 if (param->progressinfo.progress == 8) {
901 PDEBUG(DEBUG_GSM, "Remote provides tones for us\n");
905 if (param->progressinfo.rtpinfo.port) {
906 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]);
908 /* modify channel to givne type, also sets media type */
909 modify_lchan(param->progressinfo.rtpinfo.media_types[0]);
912 p_g_rtp_ip_remote = param->progressinfo.rtpinfo.ip;
913 p_g_rtp_port_remote = param->progressinfo.rtpinfo.port;
914 /* p_g_media_type is already set by modify_lchan() */
915 p_g_payload_type = param->progressinfo.rtpinfo.payload_types[0];
916 send_mncc_rtp_connect();
920 /* MESSAGE_ALERTING */
921 void Pgsm::message_alerting(unsigned int epoint_id, int message_id, union parameter *param)
923 struct gsm_mncc *mncc;
926 gsm_trace_header(p_interface_name, this, MNCC_ALERT_REQ, DIRECTION_OUT);
927 mncc = create_mncc(MNCC_ALERT_REQ, p_g_callref);
929 mncc->fields |= MNCC_F_PROGRESS;
930 mncc->progress.coding = 3; /* GSM */
931 mncc->progress.location = 1;
932 mncc->progress.descr = 8;
933 add_trace("progress", "coding", "%d", mncc->progress.coding);
934 add_trace("progress", "location", "%d", mncc->progress.location);
935 add_trace("progress", "descr", "%d", mncc->progress.descr);
938 send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
940 new_state(PORT_STATE_IN_ALERTING);
942 if (p_g_tones && !p_g_tch_connected) { /* only if ... */
943 gsm_trace_header(p_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
945 mncc = create_mncc(MNCC_FRAME_RECV, p_g_callref);
946 send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
947 p_g_tch_connected = 1;
950 /* modify to GSM FR, if not already */
951 if (!p_g_media_type) {
952 modify_lchan(MEDIA_TYPE_GSM);
956 /* MESSAGE_CONNECT */
957 void Pgsm::message_connect(unsigned int epoint_id, int message_id, union parameter *param)
959 struct gsm_mncc *mncc;
961 /* copy connected information */
962 memcpy(&p_connectinfo, ¶m->connectinfo, sizeof(p_connectinfo));
963 /* screen outgoing caller id */
964 do_screen(1, p_connectinfo.id, sizeof(p_connectinfo.id), &p_connectinfo.ntype, &p_connectinfo.present, p_interface_name);
967 mncc = create_mncc(MNCC_SETUP_RSP, p_g_callref);
968 gsm_trace_header(p_interface_name, this, MNCC_SETUP_RSP, DIRECTION_OUT);
969 /* caller information */
970 mncc->fields |= MNCC_F_CONNECTED;
971 mncc->connected.plan = 1;
972 switch (p_callerinfo.ntype) {
973 case INFO_NTYPE_UNKNOWN:
974 mncc->connected.type = 0x0;
976 case INFO_NTYPE_INTERNATIONAL:
977 mncc->connected.type = 0x1;
979 case INFO_NTYPE_NATIONAL:
980 mncc->connected.type = 0x2;
982 case INFO_NTYPE_SUBSCRIBER:
983 mncc->connected.type = 0x4;
985 default: /* INFO_NTYPE_NOTPRESENT */
986 mncc->fields &= ~MNCC_F_CONNECTED;
989 switch (p_callerinfo.screen) {
990 case INFO_SCREEN_USER:
991 mncc->connected.screen = 0;
993 default: /* INFO_SCREEN_NETWORK */
994 mncc->connected.screen = 3;
997 switch (p_callerinfo.present) {
998 case INFO_PRESENT_ALLOWED:
999 mncc->connected.present = 0;
1001 case INFO_PRESENT_RESTRICTED:
1002 mncc->connected.present = 1;
1004 default: /* INFO_PRESENT_NOTAVAIL */
1005 mncc->connected.present = 2;
1008 if (mncc->fields & MNCC_F_CONNECTED) {
1009 SCPY(mncc->connected.number, p_connectinfo.id);
1010 add_trace("connected", "type", "%d", mncc->connected.type);
1011 add_trace("connected", "plan", "%d", mncc->connected.plan);
1012 add_trace("connected", "present", "%d", mncc->connected.present);
1013 add_trace("connected", "screen", "%d", mncc->connected.screen);
1014 add_trace("connected", "number", "%s", mncc->connected.number);
1017 send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
1019 new_state(PORT_STATE_CONNECT_WAITING);
1021 if (param->connectinfo.rtpinfo.port) {
1022 PDEBUG(DEBUG_GSM, "CONNECT with RTP peer info, sent to BSC (%08x,%d)\n", param->connectinfo.rtpinfo.ip, param->connectinfo.rtpinfo.port);
1024 /* modify channel to givne type, also sets media type */
1025 modify_lchan(param->connectinfo.rtpinfo.media_types[0]);
1028 p_g_rtp_ip_remote = param->connectinfo.rtpinfo.ip;
1029 p_g_rtp_port_remote = param->connectinfo.rtpinfo.port;
1030 /* p_g_media_type is already set by modify_lchan() */
1031 p_g_payload_type = param->connectinfo.rtpinfo.payload_types[0];
1032 send_mncc_rtp_connect();
1036 /* MESSAGE_DISCONNECT */
1037 void Pgsm::message_disconnect(unsigned int epoint_id, int message_id, union parameter *param)
1039 struct gsm_mncc *mncc;
1041 /* send disconnect */
1042 mncc = create_mncc(MNCC_DISC_REQ, p_g_callref);
1043 gsm_trace_header(p_interface_name, this, MNCC_DISC_REQ, DIRECTION_OUT);
1045 mncc->fields |= MNCC_F_PROGRESS;
1046 mncc->progress.coding = 3; /* GSM */
1047 mncc->progress.location = 1;
1048 mncc->progress.descr = 8;
1049 add_trace("progress", "coding", "%d", mncc->progress.coding);
1050 add_trace("progress", "location", "%d", mncc->progress.location);
1051 add_trace("progress", "descr", "%d", mncc->progress.descr);
1053 mncc->fields |= MNCC_F_CAUSE;
1054 mncc->cause.coding = 3;
1055 mncc->cause.location = param->disconnectinfo.location;
1056 mncc->cause.value = param->disconnectinfo.cause;
1057 add_trace("cause", "coding", "%d", mncc->cause.coding);
1058 add_trace("cause", "location", "%d", mncc->cause.location);
1059 add_trace("cause", "value", "%d", mncc->cause.value);
1061 send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
1063 new_state(PORT_STATE_OUT_DISCONNECT);
1065 if (p_g_tones && !p_g_tch_connected) { /* only if ... */
1066 gsm_trace_header(p_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
1068 mncc = create_mncc(MNCC_FRAME_RECV, p_g_callref);
1069 send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
1070 p_g_tch_connected = 1;
1075 /* MESSAGE_RELEASE */
1076 void Pgsm::message_release(unsigned int epoint_id, int message_id, union parameter *param)
1078 struct gsm_mncc *mncc;
1081 mncc = create_mncc(MNCC_REL_REQ, p_g_callref);
1082 gsm_trace_header(p_interface_name, this, MNCC_REL_REQ, DIRECTION_OUT);
1083 mncc->fields |= MNCC_F_CAUSE;
1084 mncc->cause.coding = 3;
1085 mncc->cause.location = param->disconnectinfo.location;
1086 mncc->cause.value = param->disconnectinfo.cause;
1087 add_trace("cause", "coding", "%d", mncc->cause.coding);
1088 add_trace("cause", "location", "%d", mncc->cause.location);
1089 add_trace("cause", "value", "%d", mncc->cause.value);
1091 send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
1093 new_state(PORT_STATE_RELEASE);
1094 trigger_work(&p_g_delete);
1099 * endpoint sends messages to the port
1101 int Pgsm::message_epoint(unsigned int epoint_id, int message_id, union parameter *param)
1105 if (Port::message_epoint(epoint_id, message_id, param))
1108 switch(message_id) {
1109 case MESSAGE_NOTIFY: /* display and notifications */
1111 message_notify(epoint_id, message_id, param);
1114 // case MESSAGE_FACILITY: /* facility message */
1115 // message_facility(epoint_id, message_id, param);
1118 case MESSAGE_PROCEEDING: /* message not handles */
1122 case MESSAGE_PROGRESS:
1124 message_progress(epoint_id, message_id, param);
1127 case MESSAGE_ALERTING: /* call of endpoint is ringing */
1129 if (p_state!=PORT_STATE_IN_PROCEEDING)
1131 message_alerting(epoint_id, message_id, param);
1132 if (p_g_notify_pending) {
1133 /* send pending notify message during connect */
1134 message_notify(ACTIVE_EPOINT(p_epointlist), p_g_notify_pending->type, &p_g_notify_pending->param);
1135 message_free(p_g_notify_pending);
1136 p_g_notify_pending = NULL;
1140 case MESSAGE_CONNECT: /* call of endpoint is connected */
1142 if (p_state!=PORT_STATE_IN_PROCEEDING
1143 && p_state!=PORT_STATE_IN_ALERTING)
1145 message_connect(epoint_id, message_id, param);
1146 if (p_g_notify_pending) {
1147 /* send pending notify message during connect */
1148 message_notify(ACTIVE_EPOINT(p_epointlist), p_g_notify_pending->type, &p_g_notify_pending->param);
1149 message_free(p_g_notify_pending);
1150 p_g_notify_pending = NULL;
1154 case MESSAGE_DISCONNECT: /* call has been disconnected */
1156 if (p_state!=PORT_STATE_IN_PROCEEDING
1157 && p_state!=PORT_STATE_IN_ALERTING
1158 && p_state!=PORT_STATE_OUT_SETUP
1159 && p_state!=PORT_STATE_OUT_OVERLAP
1160 && p_state!=PORT_STATE_OUT_PROCEEDING
1161 && p_state!=PORT_STATE_OUT_ALERTING
1162 && p_state!=PORT_STATE_CONNECT
1163 && p_state!=PORT_STATE_CONNECT_WAITING)
1165 message_disconnect(epoint_id, message_id, param);
1168 case MESSAGE_RELEASE: /* release isdn port */
1170 if (p_state==PORT_STATE_RELEASE)
1172 message_release(epoint_id, message_id, param);
1180 /* deletes only if l3id is release, otherwhise it will be triggered then */
1181 static int delete_event(struct lcr_work *work, void *instance, int index)
1183 class Pgsm *gsmport = (class Pgsm *)instance;
1190 int gsm_exit(int rc)
1207 static int mncc_q_enqueue(struct lcr_gsm *lcr_gsm, struct gsm_mncc *mncc, unsigned int len)
1209 struct mncc_q_entry *qe;
1211 qe = (struct mncc_q_entry *) MALLOC(sizeof(*qe)+sizeof(*mncc)+len);
1217 memcpy(qe->data, mncc, len);
1219 /* in case of empty list ... */
1220 if (!lcr_gsm->mncc_q_hd && !lcr_gsm->mncc_q_tail) {
1221 /* the list head and tail both point to the new qe */
1222 lcr_gsm->mncc_q_hd = lcr_gsm->mncc_q_tail = qe;
1224 /* append to tail of list */
1225 lcr_gsm->mncc_q_tail->next = qe;
1226 lcr_gsm->mncc_q_tail = qe;
1229 lcr_gsm->mncc_lfd.when |= LCR_FD_WRITE;
1234 static struct mncc_q_entry *mncc_q_dequeue(struct lcr_gsm *lcr_gsm)
1236 struct mncc_q_entry *qe = lcr_gsm->mncc_q_hd;
1240 /* dequeue the successfully sent message */
1241 lcr_gsm->mncc_q_hd = qe->next;
1244 if (qe == lcr_gsm->mncc_q_tail)
1245 lcr_gsm->mncc_q_tail = NULL;
1250 /* routine called by LCR code if it wants to send a message to OpenBSC */
1251 static int mncc_send(struct lcr_gsm *lcr_gsm, int msg_type, void *data)
1255 /* FIXME: the caller should provide this */
1257 case GSM_TCHF_FRAME:
1258 len = sizeof(struct gsm_data_frame) + 33;
1261 len = sizeof(struct gsm_mncc);
1265 return mncc_q_enqueue(lcr_gsm, (struct gsm_mncc *)data, len);
1268 /* close MNCC socket */
1269 static int mncc_fd_close(struct lcr_gsm *lcr_gsm, struct lcr_fd *lfd)
1272 class Pgsm *pgsm = NULL;
1273 struct lcr_msg *message;
1275 PERROR("Lost MNCC socket, retrying in %u seconds\n", SOCKET_RETRY_TIMER);
1280 /* free all the calls that were running through the MNCC interface */
1283 if ((port->p_type & PORT_CLASS_mISDN_MASK) == PORT_CLASS_GSM) {
1284 pgsm = (class Pgsm *)port;
1285 if (pgsm->p_g_lcr_gsm == lcr_gsm) {
1286 message = message_create(pgsm->p_serial, ACTIVE_EPOINT(pgsm->p_epointlist), PORT_TO_EPOINT, MESSAGE_RELEASE);
1287 message->param.disconnectinfo.cause = 27; // temp. unavail.
1288 message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
1289 message_put(message);
1290 pgsm->new_state(PORT_STATE_RELEASE);
1291 trigger_work(&pgsm->p_g_delete);
1297 /* flush the queue */
1298 while (mncc_q_dequeue(lcr_gsm))
1301 /* start the re-connect timer */
1302 schedule_timer(&lcr_gsm->socket_retry, SOCKET_RETRY_TIMER, 0);
1307 /* write to OpenBSC via MNCC socket */
1308 static int mncc_fd_write(struct lcr_fd *lfd, void *inst, int idx)
1310 struct lcr_gsm *lcr_gsm = (struct lcr_gsm *) inst;
1311 struct mncc_q_entry *qe, *qe2;
1315 qe = lcr_gsm->mncc_q_hd;
1317 lfd->when &= ~LCR_FD_WRITE;
1320 rc = write(lfd->fd, qe->data, qe->len);
1322 return mncc_fd_close(lcr_gsm, lfd);
1325 if (rc < (int)qe->len)
1327 /* dequeue the successfully sent message */
1328 qe2 = mncc_q_dequeue(lcr_gsm);
1335 /* read from OpenBSC via MNCC socket */
1336 static int mncc_fd_read(struct lcr_fd *lfd, void *inst, int idx)
1338 struct lcr_gsm *lcr_gsm = (struct lcr_gsm *) inst;
1340 static char buf[sizeof(struct gsm_mncc)+1024];
1341 struct gsm_mncc *mncc_prim = (struct gsm_mncc *) buf;
1342 struct gsm_mncc_hello *hello = (struct gsm_mncc_hello *) buf;
1344 memset(buf, 0, sizeof(buf));
1345 rc = recv(lfd->fd, buf, sizeof(buf), 0);
1347 return mncc_fd_close(lcr_gsm, lfd);
1351 /* TODO: size check? */
1352 switch (mncc_prim->msg_type) {
1353 case MNCC_SOCKET_HELLO:
1354 if (hello->version != MNCC_SOCK_VERSION) {
1355 PERROR("MNCC version different. BSC version is %u\n", hello->version);
1356 mncc_fd_close(lcr_gsm, lfd);
1359 if (hello->mncc_size != sizeof(struct gsm_mncc)) {
1360 PERROR("MNCC gsm_mncc size differs: %u %u\n",
1361 hello->mncc_size, sizeof(struct gsm_mncc));
1362 mncc_fd_close(lcr_gsm, lfd);
1365 if (hello->data_frame_size != sizeof(struct gsm_data_frame)) {
1366 PERROR("MNCC gsm_mncc size differs: %u %u\n",
1367 hello->data_frame_size, sizeof(struct gsm_data_frame));
1368 mncc_fd_close(lcr_gsm, lfd);
1372 #define CHECK_OFFSET(hello, field, lcr_gsm, lfd) \
1373 if (hello->field ##_offset != __builtin_offsetof(struct gsm_mncc, field)) { \
1374 PERROR("MNCC gsm_mncc offset of %s is %u %u\n", \
1375 #field, hello->field ##_offset, \
1376 __builtin_offsetof(struct gsm_mncc, field)); \
1377 mncc_fd_close(lcr_gsm, lfd); \
1381 CHECK_OFFSET(hello, called, lcr_gsm, lfd);
1382 CHECK_OFFSET(hello, signal, lcr_gsm, lfd);
1383 CHECK_OFFSET(hello, emergency, lcr_gsm, lfd);
1384 CHECK_OFFSET(hello, lchan_type, lcr_gsm, lfd);
1390 /* Hand the MNCC message into LCR */
1391 switch (lcr_gsm->type) {
1393 case LCR_GSM_TYPE_NETWORK:
1394 return message_bsc(lcr_gsm, mncc_prim->msg_type, mncc_prim);
1397 case LCR_GSM_TYPE_MS:
1398 return message_ms(lcr_gsm, mncc_prim->msg_type, mncc_prim);
1405 /* file descriptor callback if we can read or write form MNCC socket */
1406 static int mncc_fd_cb(struct lcr_fd *lfd, unsigned int what, void *inst, int idx)
1410 if (what & LCR_FD_READ)
1411 rc = mncc_fd_read(lfd, inst, idx);
1415 if (what & LCR_FD_WRITE)
1416 rc = mncc_fd_write(lfd, inst, idx);
1421 int mncc_socket_retry_cb(struct lcr_timer *timer, void *inst, int index)
1423 struct lcr_gsm *lcr_gsm = (struct lcr_gsm *) inst;
1426 lcr_gsm->mncc_lfd.fd = -1;
1428 fd = socket(PF_UNIX, SOCK_SEQPACKET, 0);
1430 PERROR("Cannot create SEQPACKET socket, giving up!\n");
1434 rc = connect(fd, (struct sockaddr *) &lcr_gsm->sun,
1435 sizeof(lcr_gsm->sun));
1437 PERROR("Could not connect to MNCC socket %s, "
1438 "retrying in %u seconds\n", lcr_gsm->sun.sun_path,
1439 SOCKET_RETRY_TIMER);
1441 schedule_timer(&lcr_gsm->socket_retry, SOCKET_RETRY_TIMER, 0);
1443 PDEBUG(DEBUG_GSM, "Connected to MNCC socket %s!\n", lcr_gsm->sun.sun_path);
1444 lcr_gsm->mncc_lfd.fd = fd;
1445 register_fd(&lcr_gsm->mncc_lfd, LCR_FD_READ, &mncc_fd_cb, lcr_gsm, 0);