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/* 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"
#include "mozilla/StaticPtr.h"
#include "nsThreadUtils.h"
namespace mozilla {
namespace net {
StaticRefPtr<RedirectChannelRegistrar> RedirectChannelRegistrar::gSingleton;
NS_IMPL_ISUPPORTS(RedirectChannelRegistrar, nsIRedirectChannelRegistrar)
RedirectChannelRegistrar::RedirectChannelRegistrar()
: mRealChannels(32),
mParentChannels(32),
mId(1),
mLock("RedirectChannelRegistrar") {
MOZ_ASSERT(!gSingleton);
}
// static
already_AddRefed<nsIRedirectChannelRegistrar>
RedirectChannelRegistrar::GetOrCreate() {
MOZ_ASSERT(NS_IsMainThread());
if (!gSingleton) {
gSingleton = new RedirectChannelRegistrar();
}
return do_AddRef(gSingleton);
}
// static
void RedirectChannelRegistrar::Shutdown() {
MOZ_ASSERT(NS_IsMainThread());
gSingleton = nullptr;
}
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