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4bc096f818
The only information that devtools needs is the amount of how many bytes readed, so this patch introduces PInputChannelThrottleQueue ipdl for carrying on this information. Differential Revision: https://phabricator.services.mozilla.com/D56710 --HG-- extra : moz-landing-system : lando
129 lines
3.8 KiB
C++
129 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:set ts=4 sw=4 sts=4 et cin: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "InputChannelThrottleQueueParent.h"
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#include "mozilla/net/SocketProcessParent.h"
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#include "nsIOService.h"
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namespace mozilla {
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namespace net {
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NS_IMPL_ADDREF(InputChannelThrottleQueueParent)
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NS_INTERFACE_MAP_BEGIN(InputChannelThrottleQueueParent)
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NS_INTERFACE_MAP_ENTRY(nsIInputChannelThrottleQueue)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_ENTRY_CONCRETE(InputChannelThrottleQueueParent)
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NS_INTERFACE_MAP_END
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NS_IMETHODIMP_(MozExternalRefCountType)
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InputChannelThrottleQueueParent::Release(void) {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(int32_t(mRefCnt) > 0, "dup release");
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if (!mRefCnt.isThreadSafe) {
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NS_ASSERT_OWNINGTHREAD(InputChannelThrottleQueueParent);
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}
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nsrefcnt count = --mRefCnt;
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NS_LOG_RELEASE(this, count, "InputChannelThrottleQueueParent");
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if (count == 0) {
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if (!mRefCnt.isThreadSafe) {
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NS_ASSERT_OWNINGTHREAD(InputChannelThrottleQueueParent);
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}
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mRefCnt = 1; /* stabilize */
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delete (this);
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return 0;
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}
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// When ref count goes down to 1 (held internally by IPDL), it means that
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// we are done with this ThrottleQueue. We should send a delete message
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// to delete the InputChannelThrottleQueueChild in socket process.
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if (count == 1 && CanSend()) {
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mozilla::Unused << Send__delete__(this);
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return 1;
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}
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return count;
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}
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InputChannelThrottleQueueParent::InputChannelThrottleQueueParent()
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: mBytesProcessed(0), mMeanBytesPerSecond(0), mMaxBytesPerSecond(0) {}
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mozilla::ipc::IPCResult InputChannelThrottleQueueParent::RecvRecordRead(
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const uint32_t& aBytesRead) {
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mBytesProcessed += aBytesRead;
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return IPC_OK();
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}
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NS_IMETHODIMP
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InputChannelThrottleQueueParent::RecordRead(uint32_t aBytesRead) {
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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InputChannelThrottleQueueParent::Available(uint32_t aRemaining,
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uint32_t* aAvailable) {
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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InputChannelThrottleQueueParent::Init(uint32_t aMeanBytesPerSecond,
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uint32_t aMaxBytesPerSecond) {
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// Can be called on any thread.
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if (aMeanBytesPerSecond == 0 || aMaxBytesPerSecond == 0 ||
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aMaxBytesPerSecond < aMeanBytesPerSecond) {
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return NS_ERROR_ILLEGAL_VALUE;
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}
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mMeanBytesPerSecond = aMeanBytesPerSecond;
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mMaxBytesPerSecond = aMaxBytesPerSecond;
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RefPtr<InputChannelThrottleQueueParent> self = this;
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gIOService->CallOrWaitForSocketProcess(
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[self, meanBytesPerSecond(mMeanBytesPerSecond),
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maxBytesPerSecond(mMaxBytesPerSecond)] {
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Unused << SocketProcessParent::GetSingleton()
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->SendPInputChannelThrottleQueueConstructor(
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self, meanBytesPerSecond, maxBytesPerSecond);
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});
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return NS_OK;
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}
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NS_IMETHODIMP
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InputChannelThrottleQueueParent::BytesProcessed(uint64_t* aResult) {
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*aResult = mBytesProcessed;
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return NS_OK;
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}
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NS_IMETHODIMP
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InputChannelThrottleQueueParent::WrapStream(nsIInputStream* aInputStream,
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nsIAsyncInputStream** aResult) {
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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InputChannelThrottleQueueParent::GetMeanBytesPerSecond(
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uint32_t* aMeanBytesPerSecond) {
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NS_ENSURE_ARG(aMeanBytesPerSecond);
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*aMeanBytesPerSecond = mMeanBytesPerSecond;
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return NS_OK;
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}
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NS_IMETHODIMP
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InputChannelThrottleQueueParent::GetMaxBytesPerSecond(
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uint32_t* aMaxBytesPerSecond) {
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NS_ENSURE_ARG(aMaxBytesPerSecond);
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*aMaxBytesPerSecond = mMaxBytesPerSecond;
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return NS_OK;
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}
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} // namespace net
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} // namespace mozilla
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