gboolean
RpcChannel_Start(RpcChannel *chan)
{
gboolean ok;
const RpcChannelFuncs *funcs;
if (chan == NULL || chan->funcs == NULL || chan->funcs->start == NULL) {
return FALSE;
}
if (chan->outStarted) {
/* Already started. Make sure both channels are in sync and return. */
ASSERT(chan->in == NULL || chan->inStarted);
return TRUE;
}
if (chan->in != NULL && !chan->inStarted) {
ok = RpcIn_start(chan->in, RPCIN_MAX_DELAY, RpcChannel_Error, chan);
chan->inStarted = ok;
}
funcs = chan->funcs;
ok = funcs->start(chan);
if (!ok && funcs->onStartErr != NULL) {
Debug(LGPFX "Fallback to backdoor ...\n");
funcs->onStartErr(chan);
ok = BackdoorChannel_Fallback(chan);
}
return ok;
}
static gboolean
RpcInStart(RpcChannel *chan)
{
gboolean ret = TRUE;
BackdoorChannel *bdoor = chan->_private;
if (bdoor->outStarted) {
/* Already started. Make sure both channels are in sync and return. */
ASSERT(bdoor->in == NULL || bdoor->inStarted);
return ret;
} else {
ASSERT(bdoor->in == NULL || !bdoor->inStarted);
}
if (bdoor->in != NULL) {
ret = RpcIn_start(bdoor->in, RPCIN_MAX_DELAY, RpcChannel_Error, chan);
}
if (ret) {
ret = RpcOut_start(bdoor->out);
if (!ret) {
RpcIn_stop(bdoor->in);
}
}
bdoor->inStarted = (bdoor->in != NULL);
bdoor->outStarted = TRUE;
return ret;
}
