gecko/media/mtransport/transportlayer.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
// Original author: ekr@rtfm.com
#include "logging.h"
#include "transportflow.h"
#include "transportlayer.h"
#include "nsThreadUtils.h"
// Logging context
namespace mozilla {
MOZ_MTLOG_MODULE("mtransport")
nsresult TransportLayer::Init() {
if (state_ != TS_NONE)
return state_ == TS_ERROR ? NS_ERROR_FAILURE : NS_OK;
nsresult rv = InitInternal();
if (!NS_SUCCEEDED(rv)) {
state_ = TS_ERROR;
return rv;
}
state_ = TS_INIT;
return NS_OK;
}
void TransportLayer::Inserted(TransportFlow *flow, TransportLayer *downward) {
downward_ = downward;
flow_id_ = flow->id();
MOZ_MTLOG(ML_DEBUG, LAYER_INFO << "Inserted: downward='" <<
(downward ? downward->id(): "none") << "'");
WasInserted();
}
void TransportLayer::SetState(State state, const char *file, unsigned line) {
if (state != state_) {
MOZ_MTLOG(state == TS_ERROR ? ML_ERROR : ML_DEBUG,
file << ":" << line << ": " <<
LAYER_INFO << "state " << state_ << "->" << state);
state_ = state;
SignalStateChange(this, state);
}
}
nsresult TransportLayer::RunOnThread(nsIRunnable *event) {
if (target_) {
nsIThread *thr;
DebugOnly<nsresult> rv = NS_GetCurrentThread(&thr);
MOZ_ASSERT(NS_SUCCEEDED(rv));
if (target_ != thr) {
return target_->Dispatch(event, NS_DISPATCH_SYNC);
}
}
return event->Run();
}
} // close namespace