int nr_turn_client_process_response(nr_turn_client_ctx *ctx,
UCHAR *msg, int len,
nr_transport_addr *turn_server_addr)
{
int r, _status;
nr_turn_stun_ctx *sc1;
switch (ctx->state) {
case NR_TURN_CLIENT_STATE_ALLOCATING:
case NR_TURN_CLIENT_STATE_ALLOCATED:
break;
default:
ABORT(R_FAILED);
}
sc1 = STAILQ_FIRST(&ctx->stun_ctxs);
while (sc1) {
r = nr_stun_client_process_response(sc1->stun, msg, len, turn_server_addr);
if (!r)
break;
if (r==R_RETRY) /* Likely a 401 and we will retry */
break;
if (r != R_REJECTED)
ABORT(r);
sc1 = STAILQ_NEXT(sc1, entry);
}
if (!sc1)
ABORT(R_REJECTED);
_status=0;
abort:
return(_status);
}
int
nr_turn_client_process_response(nr_turn_client_ctx *ctx, UCHAR *msg, int len, nr_transport_addr *turn_server_addr)
{
int r,_status;
nr_stun_client_ctx *stun_ctx;
assert(ctx->phase >= 0 && ctx->phase < NUMBER_OF_STUN_CTX);
if (ctx->phase < 0 || ctx->phase > NUMBER_OF_STUN_CTX)
ABORT(R_INTERNAL); /* should never happen */
stun_ctx = ctx->stun_ctx[ctx->phase];
if (ctx->state != NR_TURN_CLIENT_STATE_RUNNING
&& ctx->state != NR_TURN_CLIENT_STATE_ALLOCATED) {
#if 0
//TODO: !nn! it really shouldn't be the case that we're processing a response in this state,
//TODO: but perhaps we failed and we haven't taken ourself off the
//TODO: ASYNC wait list, so an outstanding packet can cause us this grief
assert(0);
ABORT(R_INTERNAL); /* should never happen */
#else
//TODO: !nn! fix so we can never get into this state
r_log(NR_LOG_TURN,LOG_ERR,"TURN-CLIENT(%s): dropping packet in phase %s", ctx->label, TURN_PHASE_LABEL[ctx->phase]);
return R_INTERNAL;
#endif
}
if (ctx->phase != NR_TURN_CLIENT_PHASE_INITIALIZED) {
r_log(NR_LOG_TURN,LOG_DEBUG,"TURN-CLIENT(%s): Received response in phase %s", ctx->label, TURN_PHASE_LABEL[ctx->phase]);
}
else {
ABORT(R_INTERNAL);
}
if ((r=nr_stun_client_process_response(stun_ctx, msg, len, turn_server_addr)))
ABORT(r);
_status=0;
abort:
if (ctx->state != NR_TURN_CLIENT_STATE_RUNNING) {
if (ctx->finished_cb) {
NR_async_cb finished_cb = ctx->finished_cb;
ctx->finished_cb = 0; /* prevent 2nd call */
/* finished_cb call must be absolutely last thing in function
* because as a side effect this ctx may be operated on in the
* callback */
finished_cb(0,0,ctx->cb_arg);
}
}
return(_status);
}
