/* 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/. */

#include "RedirectChannelRegistrar.h"

namespace mozilla {

namespace net {

NS_IMPL_ISUPPORTS(RedirectChannelRegistrar, nsIRedirectChannelRegistrar)

RedirectChannelRegistrar::RedirectChannelRegistrar()

    : mRealChannels(32),

      mParentChannels(32),

      mId(1),

      mLock("RedirectChannelRegistrar") {}

NS_IMETHODIMP

RedirectChannelRegistrar::RegisterChannel(nsIChannel *channel,

                                          uint32_t *_retval) {

  MutexAutoLock lock(mLock);

  mRealChannels.Put(mId, channel);

  *_retval = mId;

  ++mId;

  // Ensure we always provide positive ids

  if (!mId) mId = 1;

  return NS_OK;

}

NS_IMETHODIMP

RedirectChannelRegistrar::GetRegisteredChannel(uint32_t id,

                                               nsIChannel **_retval) {

  MutexAutoLock lock(mLock);

  if (!mRealChannels.Get(id, _retval)) return NS_ERROR_NOT_AVAILABLE;

  return NS_OK;

}

NS_IMETHODIMP

RedirectChannelRegistrar::LinkChannels(uint32_t id, nsIParentChannel *channel,

                                       nsIChannel **_retval) {

  MutexAutoLock lock(mLock);

  if (!mRealChannels.Get(id, _retval)) return NS_ERROR_NOT_AVAILABLE;

  mParentChannels.Put(id, channel);

  return NS_OK;

}

NS_IMETHODIMP

RedirectChannelRegistrar::GetParentChannel(uint32_t id,

                                           nsIParentChannel **_retval) {

  MutexAutoLock lock(mLock);

  if (!mParentChannels.Get(id, _retval)) return NS_ERROR_NOT_AVAILABLE;

  return NS_OK;

}

NS_IMETHODIMP

RedirectChannelRegistrar::DeregisterChannels(uint32_t id) {

  MutexAutoLock lock(mLock);

  mRealChannels.Remove(id);

  mParentChannels.Remove(id);

  return NS_OK;

}

}  // namespace net

}  // namespace mozilla