summaryrefslogtreecommitdiffstats
path: root/gsm.cpp
diff options
context:
space:
mode:
authorAndreas Eversberg2010-05-31 18:45:02 +0200
committerAndreas Eversberg2010-05-31 18:45:02 +0200
commita12d7eee22a72f4c999535892763dde15212e89e (patch)
tree32e20ad128c8bba3c80441ca771da8aa0c4fd5f2 /gsm.cpp
parentFixed LCR to work with the current API of OpenBSC. (diff)
downloadlcr-a12d7eee22a72f4c999535892763dde15212e89e.tar.gz
lcr-a12d7eee22a72f4c999535892763dde15212e89e.tar.xz
lcr-a12d7eee22a72f4c999535892763dde15212e89e.zip
Splitted GSM support into BS (network) and MS (mobile) part.
Diffstat (limited to 'gsm.cpp')
-rw-r--r--gsm.cpp909
1 files changed, 85 insertions, 824 deletions
diff --git a/gsm.cpp b/gsm.cpp
index d6109c9..e4d5792 100644
--- a/gsm.cpp
+++ b/gsm.cpp
@@ -15,60 +15,19 @@
#define _GNU_SOURCE
#endif
extern "C" {
-#include <getopt.h>
-
-#include <openbsc/db.h>
-#include <osmocore/select.h>
-#include <openbsc/debug.h>
-#include <openbsc/e1_input.h>
-#include <osmocore/talloc.h>
-#include <openbsc/mncc.h>
-#include <openbsc/trau_frame.h>
-struct gsm_network *bsc_gsmnet = 0;
-extern int ipacc_rtp_direct;
-extern int bsc_bootstrap_network(int (*mmc_rev)(struct gsm_network *, int, void *),
- const char *cfg_file);
-extern int bsc_shutdown_net(struct gsm_network *net);
-void talloc_ctx_init(void);
-void on_dso_load_token(void);
-void on_dso_load_rrlp(void);
-void on_dso_load_ho_dec(void);
-int bts_model_unknown_init(void);
-int bts_model_bs11_init(void);
-int bts_model_nanobts_init(void);
-static struct log_target *stderr_target;
-
-/* timer to store statistics */
-#define DB_SYNC_INTERVAL 60, 0
-static struct timer_list db_sync_timer;
-
#include "gsm_audio.h"
-
}
#include <mISDN/mISDNcompat.h>
struct lcr_gsm *gsm = NULL;
-static unsigned int new_callref = 1;
-
-/* timer handling */
-static int _db_store_counter(struct counter *counter, void *data)
-{
- return db_store_counter(counter);
-}
-
-static void db_sync_timer_cb(void *data)
-{
- /* store counters to database and re-schedule */
- counters_for_each(_db_store_counter, NULL);
- bsc_schedule_timer(&db_sync_timer, DB_SYNC_INTERVAL);
-}
+int new_callref = 1;
/*
* create and send mncc message
*/
-static struct gsm_mncc *create_mncc(int msg_type, unsigned int callref)
+struct gsm_mncc *create_mncc(int msg_type, unsigned int callref)
{
struct gsm_mncc *mncc;
@@ -77,11 +36,16 @@ static struct gsm_mncc *create_mncc(int msg_type, unsigned int callref)
mncc->callref = callref;
return (mncc);
}
-static int send_and_free_mncc(struct gsm_network *net, unsigned int msg_type, void *data)
+int send_and_free_mncc(void *instance, unsigned int msg_type, void *data)
{
int ret;
- ret = mncc_send(net, msg_type, data);
+#ifdef WITH_GSM_BS
+ ret = mncc_send((struct gsm_network *)instance, msg_type, data);
+#endif
+#ifdef WITH_GSM_MS
+ ret = mncc_send((struct osmocom_ms *)instance, msg_type, data);
+#endif
free(data);
return ret;
@@ -97,6 +61,7 @@ Pgsm::Pgsm(int type, struct mISDNport *mISDNport, char *portname, struct port_se
p_callerinfo.itype = (mISDNport->ifport->interface->extension)?INFO_ITYPE_ISDN_EXTENSION:INFO_ITYPE_ISDN;
memset(&p_m_g_delete, 0, sizeof(p_m_g_delete));
add_work(&p_m_g_delete, delete_event, this, 0);
+ p_m_g_instance = NULL;
p_m_g_callref = 0;
p_m_g_mode = 0;
p_m_g_gsm_b_sock = -1;
@@ -112,7 +77,7 @@ Pgsm::Pgsm(int type, struct mISDNport *mISDNport, char *portname, struct port_se
p_m_g_rxpos = 0;
p_m_g_tch_connected = 0;
- PDEBUG(DEBUG_GSM, "Created new mISDNPort(%s).\n", portname);
+ PDEBUG(DEBUG_GSM, "Created new GSMPort(%s).\n", portname);
}
/*
@@ -257,7 +222,12 @@ void Pgsm::frame_send(void *_frame)
frame->msg_type = GSM_TCHF_FRAME;
frame->callref = p_m_g_callref;
memcpy(frame->data, _frame, 33);
- mncc_send((struct gsm_network *)gsm->network, frame->msg_type, frame);
+#ifdef WITH_GSM_BS
+ mncc_send((struct gsm_network *)p_m_g_instance, frame->msg_type, frame);
+#endif
+#ifdef WITH_GSM_MS
+ mncc_send((struct osmocom_ms *)p_m_g_instance, frame->msg_type, frame);
+#endif
}
@@ -288,7 +258,7 @@ void Pgsm::frame_receive(void *_frame)
/*
* create trace
**/
-static void gsm_trace_header(struct mISDNport *mISDNport, class PmISDN *port, unsigned int msg_type, int direction)
+void gsm_trace_header(struct mISDNport *mISDNport, class PmISDN *port, unsigned int msg_type, int direction)
{
char msgtext[64];
@@ -296,10 +266,20 @@ static void gsm_trace_header(struct mISDNport *mISDNport, class PmISDN *port, un
SCPY(msgtext, get_mncc_name(msg_type));
/* add direction */
- if (direction == DIRECTION_OUT)
- SCAT(msgtext, " MSC->BSC");
- else
- SCAT(msgtext, " MSC<-BSC");
+ switch(port->p_type) {
+ case PORT_TYPE_GSM_BS_OUT:
+ SCAT(msgtext, " LCR->BSC");
+ break;
+ case PORT_TYPE_GSM_BS_IN:
+ SCAT(msgtext, " LCR<-BSC");
+ break;
+ case PORT_TYPE_GSM_MS_OUT:
+ SCAT(msgtext, " LCR->MS");
+ break;
+ case PORT_TYPE_GSM_MS_IN:
+ SCAT(msgtext, " LCR<-MS");
+ break;
+ }
/* init trace with given values */
start_trace(mISDNport?mISDNport->portnum:-1,
@@ -312,13 +292,14 @@ static void gsm_trace_header(struct mISDNport *mISDNport, class PmISDN *port, un
msgtext);
}
-
-
/* select bchannel */
int Pgsm::hunt_bchannel(void)
{
int channel;
int i;
+ char map[p_m_mISDNport->b_num];
+ struct interface *interface;
+ struct interface_port *ifport;
chan_trace_header(p_m_mISDNport, this, "CHANNEL SELECTION (setup)", DIRECTION_NONE);
add_trace("channel", "reserved", "%d", p_m_mISDNport->b_reserved);
@@ -327,11 +308,40 @@ int Pgsm::hunt_bchannel(void)
end_trace();
return(-34); // no channel
}
+
+ /* map all used ports of shared loopback interface */
+ memset(map, 0, sizeof(map));
+ interface = interface_first;
+ while(interface) {
+ ifport = interface->ifport;
+ while(ifport) {
+#if defined WITH_GSM_BS && defined WITH_GSM_MS
+ if ((ifport->gsm_bs || ifport->gsm_ms) && ifport->mISDNport) {
+#else
+#ifdef WITH_GSM_BS
+ if (ifport->gsm_bs && ifport->mISDNport) {
+#endif
+#ifdef WITH_GSM_MS
+ if (ifport->gsm_ms && ifport->mISDNport) {
+#endif
+#endif
+ i = 0;
+ while(i < p_m_mISDNport->b_num) {
+ if (p_m_mISDNport->b_port[i])
+ map[i] = 1;
+ i++;
+ }
+ }
+ ifport = ifport->next;
+ }
+ interface = interface->next;
+ }
+
/* find channel */
i = 0;
channel = 0;
while(i < p_m_mISDNport->b_num) {
- if (p_m_mISDNport->b_port[i] == NULL) {
+ if (!map[i]) {
channel = i+1+(i>=15);
break;
}
@@ -348,261 +358,6 @@ int Pgsm::hunt_bchannel(void)
return(channel);
}
-
-/*
- * handles all indications
- */
-/* SETUP INDICATION */
-void Pgsm::setup_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
-{
- int ret;
- class Endpoint *epoint;
- struct lcr_msg *message;
- int channel;
- struct gsm_mncc *mode, *proceeding, *frame;
-
- /* emergency shutdown */
- printf("%d %d\n", mncc->emergency, !gsm->conf.noemergshut);
- if (mncc->emergency && !gsm->conf.noemergshut) {
- start_trace(p_m_mISDNport->portnum,
- p_m_mISDNport->ifport->interface,
- NULL,
- NULL,
- DIRECTION_NONE,
- CATEGORY_CH,
- 0,
- "EMERGENCY SHUTDOWN (due to received emergency call)");
- end_trace();
- quit = 1;
- }
- /* process given callref */
- l1l2l3_trace_header(p_m_mISDNport, this, L3_NEW_L3ID_IND, DIRECTION_IN);
- add_trace("callref", "new", "0x%x", callref);
- if (p_m_g_callref) {
- /* release in case the ID is already in use */
- add_trace("error", NULL, "callref already in use");
- end_trace();
- mncc = create_mncc(MNCC_REJ_REQ, callref);
- gsm_trace_header(p_m_mISDNport, this, MNCC_REJ_REQ, DIRECTION_OUT);
- mncc->fields |= MNCC_F_CAUSE;
- mncc->cause.coding = 3;
- mncc->cause.location = 1;
- mncc->cause.value = 47;
- 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, "callref already in use");
- end_trace();
- send_and_free_mncc((struct gsm_network *)gsm->network, mncc->msg_type, mncc);
- new_state(PORT_STATE_RELEASE);
- trigger_work(&p_m_g_delete);
- return;
- }
- p_m_g_callref = callref;
- end_trace();
-
- /* if blocked, release call with MT_RELEASE_COMPLETE */
- if (p_m_mISDNport->ifport->block) {
- mncc = create_mncc(MNCC_REJ_REQ, p_m_g_callref);
- gsm_trace_header(p_m_mISDNport, this, MNCC_REJ_REQ, DIRECTION_OUT);
- mncc->fields |= MNCC_F_CAUSE;
- mncc->cause.coding = 3;
- mncc->cause.location = 1;
- mncc->cause.value = 27;
- 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, "port is blocked");
- end_trace();
- send_and_free_mncc((struct gsm_network *)gsm->network, mncc->msg_type, mncc);
- new_state(PORT_STATE_RELEASE);
- trigger_work(&p_m_g_delete);
- return;
- }
-
- /* caller info */
- if (mncc->clir.inv)
- p_callerinfo.present = INFO_PRESENT_RESTRICTED;
- else
- p_callerinfo.present = INFO_PRESENT_ALLOWED;
- if (mncc->calling.number[0])
- SCPY(p_callerinfo.id, mncc->calling.number);
- else
- p_callerinfo.present = INFO_PRESENT_NOTAVAIL;
- SCPY(p_callerinfo.imsi, mncc->imsi);
- p_callerinfo.screen = INFO_SCREEN_NETWORK;
- p_callerinfo.ntype = INFO_NTYPE_UNKNOWN;
- p_callerinfo.isdn_port = p_m_portnum;
- SCPY(p_callerinfo.interface, p_m_mISDNport->ifport->interface->name);
-
- /* dialing information */
- SCAT(p_dialinginfo.id, mncc->called.number);
- switch (mncc->called.type) {
- case 0x1:
- p_dialinginfo.ntype = INFO_NTYPE_INTERNATIONAL;
- break;
- case 0x2:
- p_dialinginfo.ntype = INFO_NTYPE_NATIONAL;
- break;
- case 0x4:
- p_dialinginfo.ntype = INFO_NTYPE_SUBSCRIBER;
- break;
- default:
- p_dialinginfo.ntype = INFO_NTYPE_UNKNOWN;
- break;
- }
- if (mncc->emergency) {
- SCPY(p_dialinginfo.id, "emergency");
- }
- 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_m_g_mode = p_capainfo.source_mode;
-
- /* useruser */
-
- /* hunt channel */
- ret = channel = hunt_bchannel();
- if (ret < 0)
- goto no_channel;
-
- /* open channel */
- ret = seize_bchannel(channel, 1);
- if (ret < 0) {
- no_channel:
- mncc = create_mncc(MNCC_REJ_REQ, p_m_g_callref);
- gsm_trace_header(p_m_mISDNport, this, MNCC_REJ_REQ, DIRECTION_OUT);
- mncc->fields |= MNCC_F_CAUSE;
- mncc->cause.coding = 3;
- mncc->cause.location = 1;
- mncc->cause.value = 34;
- 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, "no channel");
- end_trace();
- send_and_free_mncc((struct gsm_network *)gsm->network, mncc->msg_type, mncc);
- new_state(PORT_STATE_RELEASE);
- trigger_work(&p_m_g_delete);
- return;
- }
- bchannel_event(p_m_mISDNport, p_m_b_index, B_EVENT_USE);
- if (bchannel_open(p_m_b_index))
- goto no_channel;
-
- /* what infos did we got ... */
- gsm_trace_header(p_m_mISDNport, this, msg_type, DIRECTION_IN);
- if (p_callerinfo.id[0])
- add_trace("calling", "number", "%s", p_callerinfo.id);
- else
- SPRINT(p_callerinfo.id, "imsi-%s", p_callerinfo.imsi);
- add_trace("calling", "imsi", "%s", p_callerinfo.imsi);
- add_trace("dialing", "number", "%s", p_dialinginfo.id);
- end_trace();
-
- /* create endpoint */
- if (p_epointlist)
- FATAL("Incoming call but already got an endpoint.\n");
- if (!(epoint = new Endpoint(p_serial, 0)))
- FATAL("No memory for Endpoint instance\n");
- if (!(epoint->ep_app = new DEFAULT_ENDPOINT_APP(epoint, 0))) //incoming
- FATAL("No memory for Endpoint Application instance\n");
- epointlist_new(epoint->ep_serial);
-
- /* modify lchan to GSM codec V1 */
- gsm_trace_header(p_m_mISDNport, this, MNCC_LCHAN_MODIFY, DIRECTION_OUT);
- mode = create_mncc(MNCC_LCHAN_MODIFY, p_m_g_callref);
- mode->lchan_mode = 0x01; /* GSM V1 */
- add_trace("mode", NULL, "0x%02x", mode->lchan_mode);
- end_trace();
- send_and_free_mncc((struct gsm_network *)gsm->network, mode->msg_type, mode);
-
- /* send call proceeding */
- gsm_trace_header(p_m_mISDNport, this, MNCC_CALL_PROC_REQ, DIRECTION_OUT);
- proceeding = create_mncc(MNCC_CALL_PROC_REQ, p_m_g_callref);
- if (p_m_mISDNport->tones) {
- proceeding->fields |= MNCC_F_PROGRESS;
- proceeding->progress.coding = 3; /* GSM */
- proceeding->progress.location = 1;
- proceeding->progress.descr = 8;
- add_trace("progress", "coding", "%d", proceeding->progress.coding);
- add_trace("progress", "location", "%d", proceeding->progress.location);
- add_trace("progress", "descr", "%d", proceeding->progress.descr);
- }
- end_trace();
- send_and_free_mncc((struct gsm_network *)gsm->network, proceeding->msg_type, proceeding);
-
- new_state(PORT_STATE_IN_PROCEEDING);
-
- if (p_m_mISDNport->tones && !p_m_g_tch_connected) { /* only if ... */
- gsm_trace_header(p_m_mISDNport, this, MNCC_FRAME_RECV, DIRECTION_OUT);
- end_trace();
- frame = create_mncc(MNCC_FRAME_RECV, p_m_g_callref);
- send_and_free_mncc((struct gsm_network *)gsm->network, frame->msg_type, frame);
- p_m_g_tch_connected = 1;
- }
-
- /* send setup message to endpoit */
- message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_SETUP);
- message->param.setup.isdn_port = p_m_portnum;
- message->param.setup.port_type = p_type;
-// message->param.setup.dtmf = 0;
- memcpy(&message->param.setup.dialinginfo, &p_dialinginfo, sizeof(struct dialing_info));
- memcpy(&message->param.setup.callerinfo, &p_callerinfo, sizeof(struct caller_info));
- memcpy(&message->param.setup.capainfo, &p_capainfo, sizeof(struct capa_info));
- 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_put(message);
-}
-
-/* DTMF INDICATION */
-void Pgsm::start_dtmf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
-{
- struct lcr_msg *message;
- struct gsm_mncc *resp;
-
- gsm_trace_header(p_m_mISDNport, 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_m_mISDNport, this, MNCC_START_DTMF_RSP, DIRECTION_OUT);
- add_trace("keypad", NULL, "%c", mncc->keypad);
- end_trace();
- resp = create_mncc(MNCC_START_DTMF_RSP, p_m_g_callref);
- resp->keypad = mncc->keypad;
- send_and_free_mncc((struct gsm_network *)gsm->network, resp->msg_type, resp);
-
- /* send dialing information */
- message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_INFORMATION);
- memcpy(&message->param.information, &p_dialinginfo, sizeof(struct dialing_info));
- message_put(message);
-}
-void Pgsm::stop_dtmf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
-{
- struct gsm_mncc *resp;
-
- gsm_trace_header(p_m_mISDNport, this, msg_type, DIRECTION_IN);
- add_trace("keypad", NULL, "%c", mncc->keypad);
- end_trace();
-
- /* send resp */
- gsm_trace_header(p_m_mISDNport, this, MNCC_STOP_DTMF_RSP, DIRECTION_OUT);
- add_trace("keypad", NULL, "%c", mncc->keypad);
- end_trace();
- resp = create_mncc(MNCC_STOP_DTMF_RSP, p_m_g_callref);
- resp->keypad = mncc->keypad;
- send_and_free_mncc((struct gsm_network *)gsm->network, resp->msg_type, resp);
-}
-
/* PROCEEDING INDICATION */
void Pgsm::call_conf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
{
@@ -622,7 +377,7 @@ void Pgsm::call_conf_ind(unsigned int msg_type, unsigned int callref, struct gsm
mode->lchan_mode = 0x01; /* GSM V1 */
add_trace("mode", NULL, "0x%02x", mode->lchan_mode);
end_trace();
- send_and_free_mncc((struct gsm_network *)gsm->network, mode->msg_type, mode);
+ send_and_free_mncc(p_m_g_instance, mode->msg_type, mode);
}
@@ -668,7 +423,7 @@ void Pgsm::setup_cnf(unsigned int msg_type, unsigned int callref, struct gsm_mnc
gsm_trace_header(p_m_mISDNport, this, MNCC_SETUP_COMPL_REQ, DIRECTION_OUT);
resp = create_mncc(MNCC_SETUP_COMPL_REQ, p_m_g_callref);
end_trace();
- send_and_free_mncc((struct gsm_network *)gsm->network, resp->msg_type, resp);
+ send_and_free_mncc(p_m_g_instance, resp->msg_type, resp);
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_CONNECT);
memcpy(&message->param.connectinfo, &p_connectinfo, sizeof(struct connect_info));
@@ -680,7 +435,7 @@ void Pgsm::setup_cnf(unsigned int msg_type, unsigned int callref, struct gsm_mnc
gsm_trace_header(p_m_mISDNport, this, MNCC_FRAME_RECV, DIRECTION_OUT);
end_trace();
frame = create_mncc(MNCC_FRAME_RECV, p_m_g_callref);
- send_and_free_mncc((struct gsm_network *)gsm->network, frame->msg_type, frame);
+ send_and_free_mncc(p_m_g_instance, frame->msg_type, frame);
p_m_g_tch_connected = 1;
}
}
@@ -699,7 +454,7 @@ void Pgsm::setup_compl_ind(unsigned int msg_type, unsigned int callref, struct g
gsm_trace_header(p_m_mISDNport, this, MNCC_FRAME_RECV, DIRECTION_OUT);
end_trace();
frame = create_mncc(MNCC_FRAME_RECV, p_m_g_callref);
- send_and_free_mncc((struct gsm_network *)gsm->network, frame->msg_type, frame);
+ send_and_free_mncc(p_m_g_instance, frame->msg_type, frame);
p_m_g_tch_connected = 1;
}
}
@@ -734,7 +489,7 @@ void Pgsm::disc_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc
add_trace("cause", "value", "%d", resp->cause.value);
#endif
end_trace();
- send_and_free_mncc((struct gsm_network *)gsm->network, resp->msg_type, resp);
+ send_and_free_mncc(p_m_g_instance, resp->msg_type, resp);
/* sending release to endpoint */
while(p_epointlist) {
@@ -792,404 +547,6 @@ void Pgsm::notify_ind(unsigned int msg_type, unsigned int callref, struct gsm_mn
message_put(message);
}
-
-/* HOLD INDICATION */
-void Pgsm::hold_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
-{
- struct lcr_msg *message;
- struct gsm_mncc *resp, *frame;
-
- gsm_trace_header(p_m_mISDNport, this, msg_type, DIRECTION_IN);
- end_trace();
-
- /* notify the hold of call */
- message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_NOTIFY);
- message->param.notifyinfo.notify = INFO_NOTIFY_REMOTE_HOLD;
- message->param.notifyinfo.local = 1; /* call is held by supplementary service */
- message_put(message);
-
- /* acknowledge hold */
- gsm_trace_header(p_m_mISDNport, this, MNCC_HOLD_CNF, DIRECTION_OUT);
- end_trace();
- resp = create_mncc(MNCC_HOLD_CNF, p_m_g_callref);
- send_and_free_mncc((struct gsm_network *)gsm->network, resp->msg_type, resp);
-
- /* disable audio */
- if (p_m_g_tch_connected) { /* it should be true */
- gsm_trace_header(p_m_mISDNport, this, MNCC_FRAME_DROP, DIRECTION_OUT);
- end_trace();
- frame = create_mncc(MNCC_FRAME_DROP, p_m_g_callref);
- send_and_free_mncc((struct gsm_network *)gsm->network, frame->msg_type, frame);
- p_m_g_tch_connected = 0;
- }
-}
-
-
-/* RETRIEVE INDICATION */
-void Pgsm::retr_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
-{
- struct lcr_msg *message;
- struct gsm_mncc *resp, *frame;
-
- gsm_trace_header(p_m_mISDNport, this, msg_type, DIRECTION_IN);
- end_trace();
-
- /* notify the retrieve of call */
- message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_NOTIFY);
- message->param.notifyinfo.notify = INFO_NOTIFY_REMOTE_RETRIEVAL;
- message->param.notifyinfo.local = 1; /* call is retrieved by supplementary service */
- message_put(message);
-
- /* acknowledge retr */
- gsm_trace_header(p_m_mISDNport, this, MNCC_RETRIEVE_CNF, DIRECTION_OUT);
- end_trace();
- resp = create_mncc(MNCC_RETRIEVE_CNF, p_m_g_callref);
- send_and_free_mncc((struct gsm_network *)gsm->network, resp->msg_type, resp);
-
- /* enable audio */
- if (!p_m_g_tch_connected) { /* it should be true */
- gsm_trace_header(p_m_mISDNport, this, MNCC_FRAME_RECV, DIRECTION_OUT);
- end_trace();
- frame = create_mncc(MNCC_FRAME_RECV, p_m_g_callref);
- send_and_free_mncc((struct gsm_network *)gsm->network, frame->msg_type, frame);
- p_m_g_tch_connected = 1;
- }
-}
-
-/*
- * BSC sends message to port
- */
-static int message_bsc(struct gsm_network *net, int msg_type, void *arg)
-{
- struct gsm_mncc *mncc = (struct gsm_mncc *)arg;
- unsigned int callref = mncc->callref;
- class Port *port;
- class Pgsm *pgsm = 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_mISDN_MASK) == PORT_CLASS_mISDN_GSM) {
- pgsm = (class Pgsm *)port;
- if (pgsm->p_m_g_callref == callref) {
- break;
- }
- }
- port = port->next;
- }
-
- if (msg_type == GSM_TCHF_FRAME) {
- if (port)
- pgsm->frame_receive((struct gsm_trau_frame *)arg);
- return 0;
- }
-
- if (!port) {
- if (msg_type != MNCC_SETUP_IND)
- return(0);
- /* find gsm port */
- mISDNport = mISDNport_first;
- while(mISDNport) {
- if (mISDNport->gsm)
- break;
- mISDNport = mISDNport->next;
- }
- if (!mISDNport) {
- struct gsm_mncc *rej;
-
- rej = create_mncc(MNCC_REJ_REQ, callref);
- rej->fields |= MNCC_F_CAUSE;
- rej->cause.coding = 3;
- rej->cause.location = 1;
- rej->cause.value = 27;
- gsm_trace_header(NULL, NULL, MNCC_REJ_REQ, DIRECTION_OUT);
- add_trace("cause", "coding", "%d", rej->cause.coding);
- add_trace("cause", "location", "%d", rej->cause.location);
- add_trace("cause", "value", "%d", rej->cause.value);
- end_trace();
- send_and_free_mncc((struct gsm_network *)gsm->network, rej->msg_type, rej);
- return 0;
- }
- /* creating port object, transparent until setup with hdlc */
- SPRINT(name, "%s-%d-in", mISDNport->ifport->interface->name, mISDNport->portnum);
- if (!(pgsm = new Pgsm(PORT_TYPE_GSM_IN, mISDNport, name, NULL, 0, 0, B_MODE_TRANSPARENT)))
-
- FATAL("Cannot create Port instance.\n");
- }
-
- switch(msg_type) {
- case MNCC_SETUP_IND:
- pgsm->setup_ind(msg_type, callref, mncc);
- break;
-
- case MNCC_START_DTMF_IND:
- pgsm->start_dtmf_ind(msg_type, callref, mncc);
- break;
-
- case MNCC_STOP_DTMF_IND:
- pgsm->stop_dtmf_ind(msg_type, callref, mncc);
- break;
-
- case MNCC_CALL_CONF_IND:
- pgsm->call_conf_ind(msg_type, callref, mncc);
- break;
-
- case MNCC_ALERT_IND:
- pgsm->alert_ind(msg_type, callref, mncc);
- break;
-
- case MNCC_SETUP_CNF:
- pgsm->setup_cnf(msg_type, callref, mncc);
- break;
-
- case MNCC_SETUP_COMPL_IND:
- pgsm->setup_compl_ind(msg_type, callref, mncc);
- break;
-
- case MNCC_DISC_IND:
- pgsm->disc_ind(msg_type, callref, mncc);
- break;
-
- case MNCC_REL_IND:
- case MNCC_REL_CNF:
- case MNCC_REJ_IND:
- pgsm->rel_ind(msg_type, callref, mncc);
- break;
-
- case MNCC_NOTIFY_IND:
- pgsm->notify_ind(msg_type, callref, mncc);
- break;
-
- case MNCC_HOLD_IND:
- pgsm->hold_ind(msg_type, callref, mncc);
- break;
-
- case MNCC_RETRIEVE_IND:
- pgsm->retr_ind(msg_type, callref, mncc);
- break;
-
- default:
- PDEBUG(DEBUG_GSM, "Pgsm(%s) gsm port with (caller id %s) received unhandled nessage: 0x%x\n", pgsm->p_name, pgsm->p_callerinfo.id, msg_type);
- }
- return(0);
-}
-
-/* MESSAGE_SETUP */
-void Pgsm::message_setup(unsigned int epoint_id, int message_id, union parameter *param)
-{
- struct lcr_msg *message;
- int ret;
- struct epoint_list *epointlist;
- struct gsm_mncc *mncc;
- int channel;
-
- /* copy setup infos to port */
- memcpy(&p_callerinfo, &param->setup.callerinfo, sizeof(p_callerinfo));
- memcpy(&p_dialinginfo, &param->setup.dialinginfo, sizeof(p_dialinginfo));
- memcpy(&p_capainfo, &param->setup.capainfo, sizeof(p_capainfo));
- memcpy(&p_redirinfo, &param->setup.redirinfo, sizeof(p_redirinfo));
-
- /* no number */
- if (!p_dialinginfo.id[0]) {
- gsm_trace_header(p_m_mISDNport, 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);
- message->param.disconnectinfo.cause = 28;
- message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
- message_put(message);
- new_state(PORT_STATE_RELEASE);
- trigger_work(&p_m_g_delete);
- return;
- }
-
- /* release if port is blocked */
- if (p_m_mISDNport->ifport->block) {
- gsm_trace_header(p_m_mISDNport, this, MNCC_SETUP_REQ, DIRECTION_OUT);
- add_trace("failure", NULL, "Port blocked.");
- end_trace();
- message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
- message->param.disconnectinfo.cause = 27; // temp. unavail.
- message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
- message_put(message);
- new_state(PORT_STATE_RELEASE);
- trigger_work(&p_m_g_delete);
- return;
- }
-
- /* hunt channel */
- ret = channel = hunt_bchannel();
- if (ret < 0)
- goto no_channel;
- /* open channel */
- ret = seize_bchannel(channel, 1);
- if (ret < 0) {
- no_channel:
- gsm_trace_header(p_m_mISDNport, this, MNCC_SETUP_REQ, DIRECTION_OUT);
- add_trace("failure", NULL, "No internal audio channel available.");
- end_trace();
- message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
- message->param.disconnectinfo.cause = 34;
- message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
- message_put(message);
- new_state(PORT_STATE_RELEASE);
- trigger_work(&p_m_g_delete);
- return;
- }
- bchannel_event(p_m_mISDNport, p_m_b_index, B_EVENT_USE);
- if (bchannel_open(p_m_b_index))
- goto no_channel;
-
-// 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_m_mISDNport->ifport->interface);
-
- /* attach only if not already */
- epointlist = p_epointlist;
- while(epointlist) {
- if (epointlist->epoint_id == epoint_id)
- break;
- epointlist = epointlist->next;
- }
- if (!epointlist)
- epointlist_new(epoint_id);
-
- /* creating l3id */
- l1l2l3_trace_header(p_m_mISDNport, this, L3_NEW_L3ID_REQ, DIRECTION_OUT);
- p_m_g_callref = new_callref++;
- add_trace("callref", "new", "0x%x", p_m_g_callref);
- end_trace();
-
- gsm_trace_header(p_m_mISDNport, this, MNCC_SETUP_REQ, DIRECTION_OUT);
- mncc = create_mncc(MNCC_SETUP_REQ, p_m_g_callref);
- /* caller information */
- mncc->fields |= MNCC_F_CALLING;
- mncc->calling.plan = 1;
- switch (p_callerinfo.ntype) {
- case INFO_NTYPE_UNKNOWN:
- mncc->calling.type = 0x0;
- break;
- case INFO_NTYPE_INTERNATIONAL:
- mncc->calling.type = 0x1;
- break;
- case INFO_NTYPE_NATIONAL:
- mncc->calling.type = 0x2;
- break;
- case INFO_NTYPE_SUBSCRIBER:
- mncc->calling.type = 0x4;
- break;
- default: /* INFO_NTYPE_NOTPRESENT */
- mncc->fields &= ~MNCC_F_CALLING;
- break;
- }
- switch (p_callerinfo.screen) {
- case INFO_SCREEN_USER:
- mncc->calling.screen = 0;
- break;
- default: /* INFO_SCREEN_NETWORK */
- mncc->calling.screen = 3;
- break;
- }
- switch (p_callerinfo.present) {
- case INFO_PRESENT_ALLOWED:
- mncc->calling.present = 0;
- break;
- case INFO_PRESENT_RESTRICTED:
- mncc->calling.present = 1;
- break;
- default: /* INFO_PRESENT_NOTAVAIL */
- mncc->calling.present = 2;
- break;
- }
- if (mncc->fields & MNCC_F_CALLING) {
- SCPY(mncc->calling.number, p_callerinfo.id);
- add_trace("calling", "type", "%d", mncc->calling.type);
- add_trace("calling", "plan", "%d", mncc->calling.plan);
- add_trace("calling", "present", "%d", mncc->calling.present);
- add_trace("calling", "screen", "%d", mncc->calling.screen);
- add_trace("calling", "number", "%s", mncc->calling.number);
- }
- /* dialing information */
- mncc->fields |= MNCC_F_CALLED;
- if (!strncmp(p_dialinginfo.id, "imsi-", 5)) {
- SCPY(mncc->imsi, p_dialinginfo.id+5);
- add_trace("dialing", "imsi", "%s", mncc->imsi);
- } else {
- SCPY(mncc->called.number, p_dialinginfo.id);
- add_trace("dialing", "number", "%s", mncc->called.number);
- }
-
- /* sending user-user */
-
- /* redirecting number */
- mncc->fields |= MNCC_F_REDIRECTING;
- mncc->redirecting.plan = 1;
- switch (p_redirinfo.ntype) {
- case INFO_NTYPE_UNKNOWN:
- mncc->redirecting.type = 0x0;
- break;
- case INFO_NTYPE_INTERNATIONAL:
- mncc->redirecting.type = 0x1;
- break;
- case INFO_NTYPE_NATIONAL:
- mncc->redirecting.type = 0x2;
- break;
- case INFO_NTYPE_SUBSCRIBER:
- mncc->redirecting.type = 0x4;
- break;
- default: /* INFO_NTYPE_NOTPRESENT */
- mncc->fields &= ~MNCC_F_REDIRECTING;
- break;
- }
- switch (p_redirinfo.screen) {
- case INFO_SCREEN_USER:
- mncc->redirecting.screen = 0;
- break;
- default: /* INFO_SCREE_NETWORK */
- mncc->redirecting.screen = 3;
- break;
- }
- switch (p_redirinfo.present) {
- case INFO_PRESENT_ALLOWED:
- mncc->redirecting.present = 0;
- break;
- case INFO_PRESENT_RESTRICTED:
- mncc->redirecting.present = 1;
- break;
- default: /* INFO_PRESENT_NOTAVAIL */
- mncc->redirecting.present = 2;
- break;
- }
- /* sending redirecting number only in ntmode */
- if (mncc->fields & MNCC_F_REDIRECTING) {
- SCPY(mncc->redirecting.number, p_redirinfo.id);
- add_trace("redir", "type", "%d", mncc->redirecting.type);
- add_trace("redir", "plan", "%d", mncc->redirecting.plan);
- add_trace("redir", "present", "%d", mncc->redirecting.present);
- add_trace("redir", "screen", "%d", mncc->redirecting.screen);
- add_trace("redir", "number", "%s", mncc->redirecting.number);
- }
- /* bearer capability */
- //todo
-
- end_trace();
- send_and_free_mncc((struct gsm_network *)gsm->network, mncc->msg_type, mncc);
-
- new_state(PORT_STATE_OUT_SETUP);
-
- message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_PROCEEDING);
- message_put(message);
-
- new_state(PORT_STATE_OUT_PROCEEDING);
-}
-
/* MESSAGE_NOTIFY */
void Pgsm::message_notify(unsigned int epoint_id, int message_id, union parameter *param)
{
@@ -1212,7 +569,7 @@ void Pgsm::message_notify(unsigned int epoint_id, int message_id, union paramete
end_trace();
mncc = create_mncc(MNCC_NOTIFY_REQ, p_m_g_callref);
mncc->notify = notify;
- send_and_free_mncc((struct gsm_network *)gsm->network, mncc->msg_type, mncc);
+ send_and_free_mncc(p_m_g_instance, mncc->msg_type, mncc);
}
}
}
@@ -1235,7 +592,7 @@ void Pgsm::message_alerting(unsigned int epoint_id, int message_id, union parame
add_trace("progress", "descr", "%d", mncc->progress.descr);
}
end_trace();
- send_and_free_mncc((struct gsm_network *)gsm->network, mncc->msg_type, mncc);
+ send_and_free_mncc(p_m_g_instance, mncc->msg_type, mncc);
new_state(PORT_STATE_IN_ALERTING);
@@ -1243,7 +600,7 @@ void Pgsm::message_alerting(unsigned int epoint_id, int message_id, union parame
gsm_trace_header(p_m_mISDNport, this, MNCC_FRAME_RECV, DIRECTION_OUT);
end_trace();
mncc = create_mncc(MNCC_FRAME_RECV, p_m_g_callref);
- send_and_free_mncc((struct gsm_network *)gsm->network, mncc->msg_type, mncc);
+ send_and_free_mncc(p_m_g_instance, mncc->msg_type, mncc);
p_m_g_tch_connected = 1;
}
}
@@ -1309,7 +666,7 @@ void Pgsm::message_connect(unsigned int epoint_id, int message_id, union paramet
add_trace("connected", "number", "%s", mncc->connected.number);
}
end_trace();
- send_and_free_mncc((struct gsm_network *)gsm->network, mncc->msg_type, mncc);
+ send_and_free_mncc(p_m_g_instance, mncc->msg_type, mncc);
new_state(PORT_STATE_CONNECT_WAITING);
}
@@ -1339,7 +696,7 @@ void Pgsm::message_disconnect(unsigned int epoint_id, int message_id, union para
add_trace("cause", "location", "%d", mncc->cause.location);
add_trace("cause", "value", "%d", mncc->cause.value);
end_trace();
- send_and_free_mncc((struct gsm_network *)gsm->network, mncc->msg_type, mncc);
+ send_and_free_mncc(p_m_g_instance, mncc->msg_type, mncc);
new_state(PORT_STATE_OUT_DISCONNECT);
@@ -1347,7 +704,7 @@ void Pgsm::message_disconnect(unsigned int epoint_id, int message_id, union para
gsm_trace_header(p_m_mISDNport, this, MNCC_FRAME_RECV, DIRECTION_OUT);
end_trace();
mncc = create_mncc(MNCC_FRAME_RECV, p_m_g_callref);
- send_and_free_mncc((struct gsm_network *)gsm->network, mncc->msg_type, mncc);
+ send_and_free_mncc(p_m_g_instance, mncc->msg_type, mncc);
p_m_g_tch_connected = 1;
}
}
@@ -1369,14 +726,13 @@ void Pgsm::message_release(unsigned int epoint_id, int message_id, union paramet
add_trace("cause", "location", "%d", mncc->cause.location);
add_trace("cause", "value", "%d", mncc->cause.value);
end_trace();
- send_and_free_mncc((struct gsm_network *)gsm->network, mncc->msg_type, mncc);
+ send_and_free_mncc(p_m_g_instance, mncc->msg_type, mncc);
new_state(PORT_STATE_RELEASE);
trigger_work(&p_m_g_delete);
return;
}
-
/*
* endpoint sends messages to the port
*/
@@ -1386,12 +742,6 @@ int Pgsm::message_epoint(unsigned int epoint_id, int message_id, union parameter
return(1);
switch(message_id) {
- case MESSAGE_SETUP: /* dial-out command received from epoint */
- if (p_state!=PORT_STATE_IDLE)
- break;
- message_setup(epoint_id, message_id, param);
- break;
-
case MESSAGE_NOTIFY: /* display and notifications */
message_notify(epoint_id, message_id, param);
break;
@@ -1447,14 +797,11 @@ int Pgsm::message_epoint(unsigned int epoint_id, int message_id, union parameter
message_release(epoint_id, message_id, param);
break;
- default:
- PDEBUG(DEBUG_GSM, "Pgsm(%s) gsm port with (caller id %s) received unhandled nessage: %d\n", p_name, p_callerinfo.id, message_id);
}
- return(1);
+ return(0);
}
-
/* deletes only if l3id is release, otherwhise it will be triggered then */
static int delete_event(struct lcr_work *work, void *instance, int index)
{
@@ -1578,20 +925,12 @@ static int gsm_sock_open(char *portname)
return 0;
}
-
int gsm_exit(int rc)
{
/* free gsm instance */
if (gsm) {
if (gsm->gsm_sock > -1)
gsm_sock_close();
- /* shutdown network */
- if (gsm->network)
- bsc_shutdown_net((struct gsm_network *)gsm->network);
- /* free network */
-// if (gsm->network) {
-// free((struct gsm_network *)gsm->network); /* TBD */
-// }
free(gsm);
gsm = NULL;
}
@@ -1601,27 +940,7 @@ int gsm_exit(int rc)
int gsm_init(void)
{
- char hlr[128], cfg[128], filename[128];
- mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
- int pcapfd, rc;
- char conf_error[128] = "";
-
-
- log_init(&log_info);
- tall_bsc_ctx = talloc_named_const(NULL, 1, "openbsc");
- talloc_ctx_init();
- on_dso_load_token();
- on_dso_load_rrlp();
- on_dso_load_ho_dec();
- stderr_target = log_target_create_stderr();
- log_add_target(stderr_target);
-
- bts_model_unknown_init();
- bts_model_bs11_init();
- bts_model_nanobts_init();
-
- /* enable filters */
- log_set_all_filter(stderr_target, 1);
+ char conf_error[256] = "";
/* seed the PRNG */
srand(time(NULL));
@@ -1633,63 +952,15 @@ int gsm_init(void)
/* parse options */
if (!gsm_conf(&gsm->conf, conf_error)) {
PERROR("%s", conf_error);
+#ifdef WITH_GSM_BS
+ gsm_bs_exit(-EINVAL);
+#endif
+#ifdef WITH_GSM_MS
+ gsm_ms_exit(-EINVAL);
+#endif
return gsm_exit(-EINVAL);
}
- /* set debug */
- if (gsm->conf.debug[0])
- log_parse_category_mask(stderr_target, gsm->conf.debug);
-
- /* open pcap file */
- if (gsm->conf.pcapfile[0]) {
- if (gsm->conf.pcapfile[0] == '/')
- SCPY(filename, gsm->conf.pcapfile);
- else
- SPRINT(filename, "%s/%s", CONFIG_DATA, gsm->conf.pcapfile);
- pcapfd = open(filename, O_WRONLY|O_TRUNC|O_CREAT, mode);
- if (pcapfd < 0) {
- PERROR("Failed to open file for pcap\n");
- return gsm_exit(-1);
- }
- e1_set_pcap_fd(pcapfd);
- }
-
- /* use RTP proxy for audio streaming */
- ipacc_rtp_direct = 0;
-
- /* init database */
- if (gsm->conf.hlr[0] == '/')
- SCPY(hlr, gsm->conf.hlr);
- else
- SPRINT(hlr, "%s/%s", CONFIG_DATA, gsm->conf.hlr);
- if (db_init(hlr)) {
- PERROR("GSM DB: Failed to init database '%s'. Please check the option settings.\n", hlr);
- return gsm_exit(-1);
- }
- printf("DB: Database initialized.\n");
- if (db_prepare()) {
- PERROR("GSM DB: Failed to prepare database.\n");
- return gsm_exit(-1);
- }
- printf("DB: Database prepared.\n");
-
- /* setup the timer */
- db_sync_timer.cb = db_sync_timer_cb;
- db_sync_timer.data = NULL;
- bsc_schedule_timer(&db_sync_timer, DB_SYNC_INTERVAL);
-
- /* bootstrap network */
- if (gsm->conf.openbsc_cfg[0] == '/')
- SCPY(cfg, gsm->conf.openbsc_cfg);
- else
- SPRINT(cfg, "%s/%s", CONFIG_DATA, gsm->conf.openbsc_cfg);
- rc = bsc_bootstrap_network(&message_bsc, cfg);
- if (rc < 0) {
- PERROR("Failed to bootstrap GSM network.\n");
- return gsm_exit(-1);
- }
- gsm->network = bsc_gsmnet;
-
/* open gsm loop interface */
if (gsm_sock_open(gsm->conf.interface_bsc)) {
return gsm_exit(-1);
@@ -1698,18 +969,8 @@ int gsm_init(void)
return 0;
}
-/*
- * handles bsc select function within LCR's main loop
- */
int handle_gsm(void)
{
- int ret1, ret2;
-
- ret1 = bsc_upqueue((struct gsm_network *)gsm->network);
- log_reset_context();
- ret2 = bsc_select_main(1); /* polling */
- if (ret1 || ret2)
- return 1;
return 0;
}