/* -*- 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::Chain(TransportLayer *downward) {

  downward_ = downward;

  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);

  }

}

}  // close namespace