mncc: Begin to implement MT call handling for SIP->MNCC

Initiate the setup request that should result in the call getting
all the way to the connected state at some point in time. The device
I test with sadly rejects the call too soon.
zecke/mt-mncc-call
Holger Hans Peter Freyther 7 years ago
parent 80880d45b7
commit 916348b7dc
  1. 14
      src/app.c
  2. 57
      src/mncc.c
  3. 4
      src/mncc.h

@ -63,15 +63,19 @@ static void route_to_sip(struct call *call, const char *source, const char *dest
call->initial->release_call(call->initial);
}
static void route_to_mncc(struct call *call, const char *source,
const char *dest)
{
if (mncc_create_remote_leg(&g_app.mncc.conn, call, source, dest) != 0)
call->initial->release_call(call->initial);
}
void app_route_call(struct call *call, const char *source, const char *dest)
{
if (call->initial->type == CALL_TYPE_MNCC)
route_to_sip(call, source, dest);
else {
LOGP(DAPP, LOGL_ERROR, "Can not route call(%u) to MNCC yet\n",
call->id);
call->initial->release_call(call->initial);
}
else
route_to_mncc(call, source, dest);
}
const char *app_media_name(int ptmsg)

@ -489,6 +489,63 @@ static void check_hello(struct mncc_connection *conn, char *buf, int rc)
conn->state = MNCC_READY;
}
int mncc_create_remote_leg(struct mncc_connection *conn, struct call *call,
const char *calling, const char *called)
{
struct mncc_call_leg *leg;
struct gsm_mncc mncc = { 0, };
int rc;
leg = talloc_zero(call, struct mncc_call_leg);
if (!leg) {
LOGP(DMNCC, LOGL_ERROR, "Failed to allocate leg call(%u)\n",
call->id);
return -1;
}
leg->base.type = CALL_TYPE_MNCC;
leg->base.connect_call = mncc_call_leg_connect;
leg->base.ring_call = mncc_call_leg_ring;
leg->base.release_call = mncc_call_leg_release;
leg->base.call = call;
leg->callref = call->id;
leg->conn = conn;
leg->state = MNCC_CC_INITIAL;
mncc.msg_type = MNCC_SETUP_REQ;
mncc.callref = leg->callref;
mncc.fields |= MNCC_F_CALLING;
mncc.calling.plan = 1;
mncc.calling.type = 0x0;
memcpy(&mncc.calling.number, calling, sizeof(mncc.calling.number));
mncc.fields |= MNCC_F_CALLED;
mncc.called.plan = 1;
mncc.called.type = 0x0;
memcpy(&mncc.called.number, called, sizeof(mncc.called.number));
/*
* TODO/FIXME:
* - Determine/request channel based on offered audio codecs
* - Screening, redirect?
* - Synth. the bearer caps based on codecs?
*/
rc = write(conn->fd.fd, &mncc, sizeof(mncc));
if (rc != sizeof(mncc)) {
LOGP(DMNCC, LOGL_ERROR, "Failed to send message leg(%u)\n",
leg->callref);
close_connection(conn);
talloc_free(leg);
return -1;
}
call->remote = &leg->base;
return 0;
}
static void mncc_reconnect(void *data)
{
int rc;

@ -6,6 +6,7 @@
#include <stdint.h>
struct app_config;
struct call;
enum {
MNCC_DISCONNECTED,
@ -28,3 +29,6 @@ struct mncc_connection {
void mncc_connection_init(struct mncc_connection *conn, struct app_config *cfg);
void mncc_connection_start(struct mncc_connection *conn);
int mncc_create_remote_leg(struct mncc_connection *conn, struct call *call,
const char *calling, const char *called);

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