#include "main.h"
#include "mncc.h"
-struct lcr_gsm *gsm_bs = NULL;
+struct lcr_gsm *gsm_bs_first = NULL;
+
+#define PAYLOAD_TYPE_GSM 3
/*
* DTMF stuff
*/
Pgsm_bs::Pgsm_bs(int type, char *portname, struct port_settings *settings, struct interface *interface) : Pgsm(type, portname, settings, interface)
{
- p_g_lcr_gsm = gsm_bs;
+ struct lcr_gsm *gsm_bs = gsm_bs_first;
+
+ p_g_lcr_gsm = NULL;
+ SCPY(p_g_bs_name, interface->gsm_bs_name);
+
+ while (gsm_bs) {
+ if (gsm_bs->type == LCR_GSM_TYPE_NETWORK && !strcmp(gsm_bs->name, p_g_bs_name)) {
+ p_g_lcr_gsm = gsm_bs;
+ break;
+ }
+ gsm_bs = gsm_bs->gsm_next;
+ }
+
p_g_dtmf = NULL;
p_g_dtmf_index = 0;
- PDEBUG(DEBUG_GSM, "Created new GSMBSPort(%s).\n", portname);
+ PDEBUG(DEBUG_GSM, "Created new GSMBSPort(%s %s).\n", portname, p_g_bs_name);
}
/*
PDEBUG(DEBUG_GSM, "Destroyed GSM BS process(%s).\n", p_name);
}
+static const char *media_type2name(unsigned char media_type) {
+ switch (media_type) {
+ case MEDIA_TYPE_ULAW:
+ return "PCMU";
+ case MEDIA_TYPE_ALAW:
+ return "PCMA";
+ case MEDIA_TYPE_GSM:
+ return "GSM";
+ case MEDIA_TYPE_GSM_HR:
+ return "GSM-HR";
+ case MEDIA_TYPE_GSM_EFR:
+ return "GSM-EFR";
+ case MEDIA_TYPE_AMR:
+ return "AMR";
+ }
+
+ return "UKN";
+}
+
+/* PROCEEDING INDICATION (from MS) */
+void Pgsm_bs::call_conf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
+{
+ int media_types[8];
+ unsigned char payload_types[8];
+ int payloads = 0;
+
+ gsm_trace_header(p_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();
+
+ new_state(PORT_STATE_OUT_PROCEEDING);
+
+ /* get list of offered payload types
+ * if list ist empty, the FR V1 is selected */
+ select_payload_type(mncc, payload_types, media_types, &payloads, sizeof(payload_types));
+ /* if no given payload type is supported, we select from channel type */
+ if (!payloads) {
+ switch (mncc->lchan_type) {
+ case GSM_LCHAN_TCH_F:
+ media_types[0] = MEDIA_TYPE_GSM;
+ payload_types[0] = PAYLOAD_TYPE_GSM;
+ payloads = 1;
+ break;
+ case GSM_LCHAN_TCH_H:
+ media_types[0] = MEDIA_TYPE_GSM_HR;
+ payload_types[0] = 96; /* dynamic */
+ payloads = 1;
+ break;
+ default:
+ mncc = create_mncc(MNCC_REL_REQ, callref);
+ gsm_trace_header(p_interface_name, this, MNCC_REL_REQ, DIRECTION_OUT);
+ mncc->fields |= MNCC_F_CAUSE;
+ mncc->cause.coding = 3;
+ mncc->cause.location = 1;
+ mncc->cause.value = 65;
+ add_trace("cause", "coding", "%d", mncc->cause.coding);
+ add_trace("cause", "location", "%d", mncc->cause.location);
+ add_trace("cause", "value", "%d", mncc->cause.value);
+ add_trace("reason", NULL, "Given lchan not supported");
+ end_trace();
+ send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
+ new_state(PORT_STATE_RELEASE);
+ trigger_work(&p_g_delete);
+ return;
+ }
+ }
+
+ /* select first payload type that matches the rtp list */
+ if (p_g_rtp_bridge) {
+ int i, j;
+
+ for (i = 0; i < p_g_rtp_payloads; i++) {
+ for (j = 0; j < payloads; j++) {
+ if (p_g_rtp_media_types[i] == media_types[j])
+ break;
+ }
+ if (j < payloads)
+ break;
+ }
+ if (i == p_g_rtp_payloads) {
+ struct lcr_msg *message;
+
+ /* payload offered by remote RTP is not supported */
+ message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_RELEASE);
+ message->param.disconnectinfo.cause = 65;
+ message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
+ message_put(message);
+ /* send release */
+ mncc = create_mncc(MNCC_REL_REQ, p_g_callref);
+ gsm_trace_header(p_interface_name, this, MNCC_REL_REQ, DIRECTION_OUT);
+ mncc->fields |= MNCC_F_CAUSE;
+ mncc->cause.coding = 3;
+ mncc->cause.location = LOCATION_PRIVATE_LOCAL;
+ mncc->cause.value = 65;
+ add_trace("cause", "coding", "%d", mncc->cause.coding);
+ add_trace("cause", "location", "%d", mncc->cause.location);
+ add_trace("cause", "value", "%d", mncc->cause.value);
+ add_trace("reason", NULL, "None of the payload types are supported by MS");
+ end_trace();
+ send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
+ new_state(PORT_STATE_RELEASE);
+ trigger_work(&p_g_delete);
+
+ return;
+ }
+ modify_lchan(p_g_rtp_media_types[i]);
+ /* use the payload type from received rtp list, not from locally generated payload types */
+ p_g_payload_type = p_g_rtp_payload_types[i];
+ } else {
+ /* modify to first given payload */
+ modify_lchan(media_types[0]);
+ p_g_payload_type = payload_types[0];
+ }
+
+ if (p_g_earlyb && !p_g_tch_connected) { /* only if ... */
+ struct gsm_mncc *frame;
+ 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;
+ }
+}
+
/* DTMF INDICATION */
void Pgsm_bs::start_dtmf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
{
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);
add_trace("keypad", NULL, "%c", mncc->keypad);
end_trace();
SPRINT(p_dialinginfo.id, "%c", mncc->keypad);
p_dialinginfo.ntype = INFO_NTYPE_UNKNOWN;
/* send resp */
- gsm_trace_header(p_g_interface_name, this, MNCC_START_DTMF_RSP, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_START_DTMF_RSP, DIRECTION_OUT);
add_trace("keypad", NULL, "%c", mncc->keypad);
end_trace();
resp = create_mncc(MNCC_START_DTMF_RSP, p_g_callref);
send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
if (p_g_rtp_bridge) {
- class Port *remote = bridge_remote();
-
- if (remote) {
- struct lcr_msg *message;
-
- /* send dtmf information, because we bridge RTP directly */
- message = message_create(0, remote->p_serial, EPOINT_TO_PORT, MESSAGE_DTMF);
- message->param.dtmf = mncc->keypad;
- message_put(message);
+ /* if two members are bridged */
+ if (p_bridge && p_bridge->first && p_bridge->first->next && !p_bridge->first->next->next) {
+ class Port *remote = NULL;
+
+ /* select other member */
+ if (p_bridge->first->port == this)
+ remote = p_bridge->first->next->port;
+ if (p_bridge->first->next->port == this)
+ remote = p_bridge->first->port;
+
+ if (remote) {
+ struct lcr_msg *message;
+
+ /* send dtmf information, because we bridge RTP directly */
+ message = message_create(0, remote->p_serial, EPOINT_TO_PORT, MESSAGE_DTMF);
+ message->param.dtmf = mncc->keypad;
+ message_put(message);
+ }
}
} else {
/* generate DTMF tones, since we do audio forwarding inside LCR */
{
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);
add_trace("keypad", NULL, "%c", mncc->keypad);
end_trace();
/* send resp */
- gsm_trace_header(p_g_interface_name, this, MNCC_STOP_DTMF_RSP, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_STOP_DTMF_RSP, DIRECTION_OUT);
add_trace("keypad", NULL, "%c", mncc->keypad);
end_trace();
resp = create_mncc(MNCC_STOP_DTMF_RSP, p_g_callref);
struct lcr_msg *message;
struct gsm_mncc *resp, *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();
/* notify the hold of call */
message_put(message);
/* acknowledge hold */
- gsm_trace_header(p_g_interface_name, this, MNCC_HOLD_CNF, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_HOLD_CNF, DIRECTION_OUT);
end_trace();
resp = create_mncc(MNCC_HOLD_CNF, p_g_callref);
send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
/* disable audio */
if (p_g_tch_connected) { /* it should be true */
- gsm_trace_header(p_g_interface_name, this, MNCC_FRAME_DROP, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_FRAME_DROP, DIRECTION_OUT);
end_trace();
frame = create_mncc(MNCC_FRAME_DROP, p_g_callref);
send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
struct lcr_msg *message;
struct gsm_mncc *resp, *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();
/* notify the retrieve of call */
message_put(message);
/* acknowledge retr */
- gsm_trace_header(p_g_interface_name, this, MNCC_RETRIEVE_CNF, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_RETRIEVE_CNF, DIRECTION_OUT);
end_trace();
resp = create_mncc(MNCC_RETRIEVE_CNF, p_g_callref);
send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
/* enable audio */
if (!p_g_tch_connected) { /* it should be true */
- 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);
}
/*
+ * select payload type by given list or GSM V1 FR
+ * return the payload type or 0 if not given
+ */
+
+void Pgsm_bs::select_payload_type(struct gsm_mncc *mncc, unsigned char *payload_types, int *media_types, int *payloads, int max_payloads)
+{
+ int media_type;
+ unsigned char payload_type;
+ int half;
+ void *encoder, *decoder;
+
+ *payloads = 0;
+
+ gsm_trace_header(p_interface_name, this, 1 /* codec negotioation */, DIRECTION_NONE);
+ if ((mncc->fields & MNCC_F_BEARER_CAP)) {
+ /* select preferred payload type from list */
+ int i;
+ unsigned char dynamic_type = 96;
+
+ add_trace("bearer", "capa", "given by MS");
+ for (i = 0; mncc->bearer_cap.speech_ver[i] >= 0; i++) {
+ half = 0;
+ /* select payload type we support */
+ switch (mncc->bearer_cap.speech_ver[i]) {
+ case 0:
+ add_trace("speech", "version", "Full Rate given");
+ media_type = MEDIA_TYPE_GSM;
+ payload_type = PAYLOAD_TYPE_GSM;
+ encoder = p_g_fr_encoder;
+ decoder = p_g_fr_decoder;
+ break;
+ case 2:
+ add_trace("speech", "version", "EFR given");
+ media_type = MEDIA_TYPE_GSM_EFR;
+ payload_type = dynamic_type++;
+ encoder = p_g_amr_encoder;
+ decoder = p_g_amr_decoder;
+ break;
+ case 4:
+ add_trace("speech", "version", "AMR given");
+ media_type = MEDIA_TYPE_AMR;
+ payload_type = dynamic_type++;
+ encoder = p_g_amr_encoder;
+ decoder = p_g_amr_decoder;
+ break;
+ case 1:
+ add_trace("speech", "version", "Half Rate given");
+ media_type = MEDIA_TYPE_GSM_HR;
+ payload_type = dynamic_type++;
+ encoder = p_g_hr_encoder;
+ decoder = p_g_hr_decoder;
+ half = 1;
+ break;
+ case 5:
+ add_trace("speech", "version", "AMR Half Rate given");
+ media_type = MEDIA_TYPE_AMR;
+ payload_type = dynamic_type++;
+ encoder = p_g_amr_encoder;
+ decoder = p_g_amr_decoder;
+ half = 1;
+ break;
+ case 0x80:
+ add_trace("speech", "version", "Analog 8000Hz given");
+ media_type = MEDIA_TYPE_ANALOG;
+ payload_type = dynamic_type++;
+ encoder = (void *)1;
+ decoder = (void *)1;
+ break;
+ default:
+ add_trace("speech", "version", "%d given", mncc->bearer_cap.speech_ver[i]);
+ media_type = 0;
+ payload_type = 0;
+ }
+ /* wen don't support it, so we check the next */
+ if (!media_type) {
+ add_trace("speech", "ignored", "Not supported by LCR");
+ continue;
+ }
+ if (!half && mncc->lchan_type != GSM_LCHAN_TCH_F) {
+ add_trace("speech", "ignored", "Not TCH/F");
+ continue;
+ }
+ if (half && mncc->lchan_type != GSM_LCHAN_TCH_H) {
+ add_trace("speech", "ignored", "Not TCH/H");
+ continue;
+ }
+ if (!p_g_rtp_bridge) {
+ if (!encoder || !decoder) {
+ add_trace("speech", "ignored", "Codec not supported");
+ continue;
+ }
+ }
+ if (*payloads <= max_payloads) {
+ media_types[*payloads] = media_type;
+ payload_types[*payloads] = payload_type;
+ (*payloads)++;
+ }
+ }
+ } else {
+ add_trace("bearer", "capa", "not given by MS");
+ add_trace("speech", "version", "Full Rate given");
+ media_types[0] = MEDIA_TYPE_GSM;
+ payload_types[0] = PAYLOAD_TYPE_GSM;
+ *payloads = 1;
+ }
+ if (!(*payloads))
+ add_trace("error", "", "All given payload types unsupported");
+ end_trace();
+}
+
+/*
* handles all indications
*/
/* SETUP INDICATION */
{
class Endpoint *epoint;
struct lcr_msg *message;
- struct gsm_mncc *mode, *proceeding, *frame;
+ struct gsm_mncc *proceeding, *frame;
struct interface *interface;
+ int media_types[8];
+ unsigned char payload_types[8];
+ int payloads = 0;
- interface = getinterfacebyname(p_g_interface_name);
+ interface = getinterfacebyname(p_interface_name);
if (!interface) {
- PERROR("Cannot find interface %s.\n", p_g_interface_name);
+ PERROR("Cannot find interface %s.\n", p_interface_name);
return;
}
/* process given callref */
- gsm_trace_header(p_g_interface_name, this, 0, DIRECTION_IN);
+ gsm_trace_header(p_interface_name, this, 0, DIRECTION_IN);
add_trace("callref", "new", "0x%x", callref);
if (p_g_callref) {
/* release in case the ID is already in use */
add_trace("error", NULL, "callref already in use");
+reject:
end_trace();
mncc = create_mncc(MNCC_REJ_REQ, callref);
- gsm_trace_header(p_g_interface_name, this, MNCC_REJ_REQ, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_REJ_REQ, DIRECTION_OUT);
mncc->fields |= MNCC_F_CAUSE;
mncc->cause.coding = 3;
mncc->cause.location = 1;
trigger_work(&p_g_delete);
return;
}
+ if (callref < 0x40000000) {
+ /* release in case the ID is invalid */
+ add_trace("error", NULL, "callref invalid, not of BSC type");
+ goto reject;
+ }
p_g_callref = callref;
end_trace();
p_callerinfo.present = INFO_PRESENT_NOTAVAIL;
SCPY(p_callerinfo.imsi, mncc->imsi);
p_callerinfo.screen = INFO_SCREEN_NETWORK;
- p_callerinfo.ntype = INFO_NTYPE_UNKNOWN;
- SCPY(p_callerinfo.interface, p_g_interface_name);
+ switch (mncc->calling.type) {
+ case 0x1:
+ p_callerinfo.ntype = INFO_NTYPE_INTERNATIONAL;
+ break;
+ case 0x2:
+ p_callerinfo.ntype = INFO_NTYPE_NATIONAL;
+ break;
+ case 0x4:
+ p_callerinfo.ntype = INFO_NTYPE_SUBSCRIBER;
+ break;
+ default:
+ p_callerinfo.ntype = INFO_NTYPE_UNKNOWN;
+ break;
+ }
+ SCPY(p_callerinfo.interface, p_interface_name);
/* dialing information */
SCAT(p_dialinginfo.id, mncc->called.number);
p_dialinginfo.sending_complete = 1;
/* bearer capability */
- // todo
p_capainfo.bearer_capa = INFO_BC_SPEECH;
p_capainfo.bearer_info1 = (options.law=='a')?3:2;
p_capainfo.bearer_mode = INFO_BMODE_CIRCUIT;
p_capainfo.source_mode = B_MODE_TRANSPARENT;
p_g_mode = p_capainfo.source_mode;
+ /* get list of offered payload types
+ * if list ist empty, the FR V1 is selected */
+ select_payload_type(mncc, payload_types, media_types, &payloads, sizeof(payload_types));
+ /* if no given payload type is supported, we select from channel type */
+ if (!payloads) {
+ switch (mncc->lchan_type) {
+ case GSM_LCHAN_TCH_F:
+ media_types[0] = MEDIA_TYPE_GSM;
+ payload_types[0] = PAYLOAD_TYPE_GSM;
+ payloads = 1;
+ break;
+ case GSM_LCHAN_TCH_H:
+ media_types[0] = MEDIA_TYPE_GSM_HR;
+ payload_types[0] = 96; /* dynamic */
+ payloads = 1;
+ break;
+ default:
+ mncc = create_mncc(MNCC_REJ_REQ, callref);
+ gsm_trace_header(p_interface_name, this, MNCC_REJ_REQ, DIRECTION_OUT);
+ mncc->fields |= MNCC_F_CAUSE;
+ mncc->cause.coding = 3;
+ mncc->cause.location = 1;
+ mncc->cause.value = 65;
+ add_trace("cause", "coding", "%d", mncc->cause.coding);
+ add_trace("cause", "location", "%d", mncc->cause.location);
+ add_trace("cause", "value", "%d", mncc->cause.value);
+ add_trace("reason", NULL, "Given lchan not supported");
+ end_trace();
+ send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
+ new_state(PORT_STATE_RELEASE);
+ trigger_work(&p_g_delete);
+ return;
+ }
+ }
+#if 0
+ /* if no given payload type is supported, we reject the call */
+ if (!payloads) {
+ }
+#endif
+
/* useruser */
/* what infos did we got ... */
- 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_callerinfo.id[0])
add_trace("calling", "number", "%s", p_callerinfo.id);
- else
+ else if (p_callerinfo.imsi[0])
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);
epoint->ep_app = new_endpointapp(epoint, 0, interface->app); //incoming
epointlist_new(epoint->ep_serial);
- /* modify lchan to GSM codec V1 */
- gsm_trace_header(p_g_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;
- add_trace("mode", NULL, "0x%02x", mode->lchan_mode);
- end_trace();
- send_and_free_mncc(p_g_lcr_gsm, mode->msg_type, mode);
+ /* modify lchan in case of no rtp bridge */
+ if (!p_g_rtp_bridge)
+ modify_lchan(media_types[0]);
/* send call proceeding */
- gsm_trace_header(p_g_interface_name, this, MNCC_CALL_PROC_REQ, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_CALL_PROC_REQ, DIRECTION_OUT);
proceeding = create_mncc(MNCC_CALL_PROC_REQ, p_g_callref);
if (p_g_tones) {
proceeding->fields |= MNCC_F_PROGRESS;
new_state(PORT_STATE_IN_PROCEEDING);
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();
frame = create_mncc(MNCC_FRAME_RECV, p_g_callref);
send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
SCPY((char *)message->param.setup.useruser.data, (char *)mncc->useruser.info);
message->param.setup.useruser.len = strlen(mncc->useruser.info);
message->param.setup.useruser.protocol = mncc->useruser.proto;
- message->param.setup.rtpinfo.payload_type = 3; /* FIXME: receive payload type from peer */
-
if (p_g_rtp_bridge) {
struct gsm_mncc_rtp *rtp;
+ int i;
PDEBUG(DEBUG_GSM, "Request RTP peer info, before forwarding setup\n");
p_g_setup_pending = message;
rtp = (struct gsm_mncc_rtp *) create_mncc(MNCC_RTP_CREATE, p_g_callref);
send_and_free_mncc(p_g_lcr_gsm, rtp->msg_type, rtp);
+
+ for (i = 0; i < (int)sizeof(message->param.setup.rtpinfo.payload_types) && i < payloads; i++) {
+ message->param.setup.rtpinfo.media_types[i] = media_types[i];
+ message->param.setup.rtpinfo.payload_types[i] = payload_types[i];
+ message->param.setup.rtpinfo.payloads++;
+ }
+
} else
message_put(message);
/*
* BSC sends message to port
*/
-int message_bsc(struct lcr_gsm *lcr_gsm, int msg_type, void *arg)
+int message_bsc(class Pgsm_bs *pgsm_bs, struct lcr_gsm *lcr_gsm, int msg_type, void *arg)
{
struct gsm_mncc *mncc = (struct gsm_mncc *)arg;
unsigned int callref = mncc->callref;
- class Port *port;
- class Pgsm_bs *pgsm_bs = NULL;
char name[64];
-// struct mISDNport *mISDNport;
/* Special messages */
switch(msg_type) {
}
- /* find callref */
- callref = mncc->callref;
- port = port_first;
- while(port) {
- if ((port->p_type & PORT_CLASS_GSM_MASK) == PORT_CLASS_GSM_BS) {
- pgsm_bs = (class Pgsm_bs *)port;
- if (pgsm_bs->p_g_callref == callref) {
- break;
- }
- }
- port = port->next;
- }
-
- if (msg_type == GSM_TCHF_FRAME) {
- if (port) {
+ if (msg_type == GSM_TCHF_FRAME
+ || msg_type == GSM_TCHF_FRAME_EFR
+ || msg_type == GSM_TCHH_FRAME
+ || msg_type == GSM_TCH_FRAME_AMR
+ || msg_type == ANALOG_8000HZ
+ || msg_type == GSM_BAD_FRAME) {
+ if (pgsm_bs) {
/* inject DTMF, if enabled */
if (pgsm_bs->p_g_dtmf) {
unsigned char data[160];
} else
pgsm_bs->frame_receive(arg);
/* if we do not bridge we need to inject audio, if available */
- if (!pgsm_bs->p_bridge) {
+ if (!pgsm_bs->p_bridge || pgsm_bs->p_tone_name[0]) {
unsigned char data[160];
int i;
i = pgsm_bs->read_audio(data, 160);
if (i)
- pgsm_bs->bridge_rx(data, i);
+ pgsm_bs->audio_send(data, i);
}
}
return 0;
}
- if (!port) {
+ if (!pgsm_bs) {
struct interface *interface;
if (msg_type != MNCC_SETUP_IND)
struct lcr_msg *message;
struct epoint_list *epointlist;
struct gsm_mncc *mncc;
+ struct interface *interface;
+
+ interface = getinterfacebyname(p_interface_name);
+ if (!interface) {
+ PERROR("Cannot find interface %s.\n", p_interface_name);
+ return;
+ }
/* copy setup infos to port */
memcpy(&p_callerinfo, ¶m->setup.callerinfo, sizeof(p_callerinfo));
/* no GSM MNCC connection */
if (p_g_lcr_gsm->mncc_lfd.fd < 0) {
- gsm_trace_header(p_g_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
add_trace("failure", NULL, "No MNCC connection.");
end_trace();
message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
/* no number */
if (!p_dialinginfo.id[0]) {
- gsm_trace_header(p_g_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
add_trace("failure", NULL, "No dialed subscriber given.");
end_trace();
message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
return;
}
+ /* unsupported codec for RTP bridge */
+ if (param->setup.rtpinfo.port) {
+ int i;
+
+ p_g_rtp_payloads = 0;
+ gsm_trace_header(p_interface_name, this, 1 /* codec negotioation */, DIRECTION_NONE);
+ for (i = 0; i < param->setup.rtpinfo.payloads; i++) {
+ switch (param->setup.rtpinfo.media_types[i]) {
+ case MEDIA_TYPE_GSM:
+ case MEDIA_TYPE_GSM_EFR:
+ case MEDIA_TYPE_AMR:
+ case MEDIA_TYPE_GSM_HR:
+ add_trace("rtp", "payload", "%s:%d supported", media_type2name(param->setup.rtpinfo.media_types[i]), param->setup.rtpinfo.payload_types[i]);
+ if (p_g_rtp_payloads < (int)sizeof(p_g_rtp_payload_types)) {
+ p_g_rtp_media_types[p_g_rtp_payloads] = param->setup.rtpinfo.media_types[i];
+ p_g_rtp_payload_types[p_g_rtp_payloads] = param->setup.rtpinfo.payload_types[i];
+ p_g_rtp_payloads++;
+ }
+ break;
+ default:
+ add_trace("rtp", "payload", "%s:%d unsupported", media_type2name(param->setup.rtpinfo.media_types[i]), param->setup.rtpinfo.payload_types[i]);
+ }
+ }
+ end_trace();
+ if (!p_g_rtp_payloads) {
+ gsm_trace_header(p_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
+ add_trace("failure", NULL, "No payload given that is supported by GSM");
+ end_trace();
+ message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
+ message->param.disconnectinfo.cause = 65;
+ message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
+ message_put(message);
+ new_state(PORT_STATE_RELEASE);
+ trigger_work(&p_g_delete);
+ return;
+ }
+ }
+
// SCPY(&p_m_tones_dir, param->setup.ext.tones_dir);
/* screen outgoing caller id */
- do_screen(1, p_callerinfo.id, sizeof(p_callerinfo.id), &p_callerinfo.ntype, &p_callerinfo.present, p_g_interface_name);
+ do_screen(1, p_callerinfo.id, sizeof(p_callerinfo.id), &p_callerinfo.ntype, &p_callerinfo.present, p_interface_name);
/* attach only if not already */
epointlist = p_epointlist;
epointlist_new(epoint_id);
/* creating l3id */
- gsm_trace_header(p_g_interface_name, this, 0, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, 0, DIRECTION_OUT);
p_g_callref = new_callref++;
add_trace("callref", "new", "0x%x", p_g_callref);
end_trace();
- gsm_trace_header(p_g_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
+ gsm_trace_header(p_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
mncc = create_mncc(MNCC_SETUP_REQ, p_g_callref);
/* caller information */
mncc->fields |= MNCC_F_CALLING;
add_trace("redir", "screen", "%d", mncc->redirecting.screen);
add_trace("redir", "number", "%s", mncc->redirecting.number);
}
- /* bearer capability */
- //todo
+
+ if (interface->gsm_bs_hr) {
+ add_trace("lchan", "type", "TCH/H or TCH/F");
+ mncc->lchan_type = GSM_LCHAN_TCH_H;
+ } else {
+ add_trace("lchan", "type", "TCH/F");
+ mncc->lchan_type = GSM_LCHAN_TCH_F;
+ }
end_trace();
send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_PROCEEDING);
message_put(message);
- new_state(PORT_STATE_OUT_PROCEEDING);
-
/* RTP bridge */
if (param->setup.rtpinfo.port) {
p_g_rtp_bridge = 1;
int gsm_bs_exit(int rc)
{
- /* free gsm instance */
- if (gsm_bs) {
- if (gsm_bs->mncc_lfd.fd > -1) {
- close(gsm_bs->mncc_lfd.fd);
- unregister_fd(&gsm_bs->mncc_lfd);
- }
-
- del_timer(&gsm_bs->socket_retry);
- free(gsm_bs);
- gsm_bs = NULL;
- }
+ /* destroy all instances */
+ while (gsm_bs_first)
+ gsm_bs_delete(gsm_bs_first->name);
+ return rc;
+}
- return(rc);
+int gsm_bs_init(void)
+{
+ return 0;
}
-int gsm_bs_init(struct interface *interface)
+/* add a new GSM base station instance */
+int gsm_bs_new(struct interface *interface)
{
+ struct lcr_gsm *gsm_bs = gsm_bs_first, **gsm_bs_p = &gsm_bs_first;
+
+ while (gsm_bs) {
+ gsm_bs_p = &gsm_bs->gsm_next;
+ gsm_bs = gsm_bs->gsm_next;
+ }
+
+ PDEBUG(DEBUG_GSM, "GSM: interface for BS '%s' is created\n", interface->gsm_bs_name);
+
/* create gsm instance */
gsm_bs = (struct lcr_gsm *)MALLOC(sizeof(struct lcr_gsm));
SCPY(gsm_bs->interface_name, interface->name);
gsm_bs->type = LCR_GSM_TYPE_NETWORK;
+ SCPY(gsm_bs->name, interface->gsm_bs_name);
gsm_bs->sun.sun_family = AF_UNIX;
- SCPY(gsm_bs->sun.sun_path, "/tmp/bsc_mncc");
+ if (gsm_bs->name[0])
+ SPRINT(gsm_bs->sun.sun_path, "/tmp/bsc_mncc_%s", gsm_bs->name);
+ else
+ SCPY(gsm_bs->sun.sun_path, "/tmp/bsc_mncc");
memset(&gsm_bs->socket_retry, 0, sizeof(gsm_bs->socket_retry));
add_timer(&gsm_bs->socket_retry, mncc_socket_retry_cb, gsm_bs, 0);
generate_dtmf();
+ *gsm_bs_p = gsm_bs;
+
return 0;
}
+
+int gsm_bs_delete(const char *name)
+{
+ struct lcr_gsm *gsm_bs = gsm_bs_first, **gsm_bs_p = &gsm_bs_first;
+
+ PDEBUG(DEBUG_GSM, "GSM: interface for BS '%s' is deleted\n", name);
+
+ while (gsm_bs) {
+ if (gsm_bs->type == LCR_GSM_TYPE_NETWORK && !strcmp(gsm_bs->name, name))
+ break;
+ gsm_bs_p = &gsm_bs->gsm_next;
+ gsm_bs = gsm_bs->gsm_next;
+ }
+
+ if (!gsm_bs)
+ return 0;
+
+ if (gsm_bs->mncc_lfd.fd > -1) {
+ close(gsm_bs->mncc_lfd.fd);
+ unregister_fd(&gsm_bs->mncc_lfd);
+ }
+ del_timer(&gsm_bs->socket_retry);
+
+ /* remove instance from list */
+ *gsm_bs_p = gsm_bs->gsm_next;
+ FREE(gsm_bs, sizeof(struct lcr_gsm));
+
+ return 0;
+}
+
projects / lcr.git / blobdiff