gecko-dev/netwerk/ipc/InputChannelThrottleQueueParent.cpp
Kershaw Chang 4bc096f818 Bug 1600254 - P8: Make nsIInputChannelThrottleQueue work with socket process r=dragana
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
2020-01-30 13:32:55 +00:00

129 lines
3.8 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set ts=4 sw=4 sts=4 et cin: */
/* 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 "InputChannelThrottleQueueParent.h"
#include "mozilla/net/SocketProcessParent.h"
#include "nsIOService.h"
namespace mozilla {
namespace net {
NS_IMPL_ADDREF(InputChannelThrottleQueueParent)
NS_INTERFACE_MAP_BEGIN(InputChannelThrottleQueueParent)
NS_INTERFACE_MAP_ENTRY(nsIInputChannelThrottleQueue)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_ENTRY_CONCRETE(InputChannelThrottleQueueParent)
NS_INTERFACE_MAP_END
NS_IMETHODIMP_(MozExternalRefCountType)
InputChannelThrottleQueueParent::Release(void) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(int32_t(mRefCnt) > 0, "dup release");
if (!mRefCnt.isThreadSafe) {
NS_ASSERT_OWNINGTHREAD(InputChannelThrottleQueueParent);
}
nsrefcnt count = --mRefCnt;
NS_LOG_RELEASE(this, count, "InputChannelThrottleQueueParent");
if (count == 0) {
if (!mRefCnt.isThreadSafe) {
NS_ASSERT_OWNINGTHREAD(InputChannelThrottleQueueParent);
}
mRefCnt = 1; /* stabilize */
delete (this);
return 0;
}
// When ref count goes down to 1 (held internally by IPDL), it means that
// we are done with this ThrottleQueue. We should send a delete message
// to delete the InputChannelThrottleQueueChild in socket process.
if (count == 1 && CanSend()) {
mozilla::Unused << Send__delete__(this);
return 1;
}
return count;
}
InputChannelThrottleQueueParent::InputChannelThrottleQueueParent()
: mBytesProcessed(0), mMeanBytesPerSecond(0), mMaxBytesPerSecond(0) {}
mozilla::ipc::IPCResult InputChannelThrottleQueueParent::RecvRecordRead(
const uint32_t& aBytesRead) {
mBytesProcessed += aBytesRead;
return IPC_OK();
}
NS_IMETHODIMP
InputChannelThrottleQueueParent::RecordRead(uint32_t aBytesRead) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
InputChannelThrottleQueueParent::Available(uint32_t aRemaining,
uint32_t* aAvailable) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
InputChannelThrottleQueueParent::Init(uint32_t aMeanBytesPerSecond,
uint32_t aMaxBytesPerSecond) {
// Can be called on any thread.
if (aMeanBytesPerSecond == 0 || aMaxBytesPerSecond == 0 ||
aMaxBytesPerSecond < aMeanBytesPerSecond) {
return NS_ERROR_ILLEGAL_VALUE;
}
mMeanBytesPerSecond = aMeanBytesPerSecond;
mMaxBytesPerSecond = aMaxBytesPerSecond;
RefPtr<InputChannelThrottleQueueParent> self = this;
gIOService->CallOrWaitForSocketProcess(
[self, meanBytesPerSecond(mMeanBytesPerSecond),
maxBytesPerSecond(mMaxBytesPerSecond)] {
Unused << SocketProcessParent::GetSingleton()
->SendPInputChannelThrottleQueueConstructor(
self, meanBytesPerSecond, maxBytesPerSecond);
});
return NS_OK;
}
NS_IMETHODIMP
InputChannelThrottleQueueParent::BytesProcessed(uint64_t* aResult) {
*aResult = mBytesProcessed;
return NS_OK;
}
NS_IMETHODIMP
InputChannelThrottleQueueParent::WrapStream(nsIInputStream* aInputStream,
nsIAsyncInputStream** aResult) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
InputChannelThrottleQueueParent::GetMeanBytesPerSecond(
uint32_t* aMeanBytesPerSecond) {
NS_ENSURE_ARG(aMeanBytesPerSecond);
*aMeanBytesPerSecond = mMeanBytesPerSecond;
return NS_OK;
}
NS_IMETHODIMP
InputChannelThrottleQueueParent::GetMaxBytesPerSecond(
uint32_t* aMaxBytesPerSecond) {
NS_ENSURE_ARG(aMaxBytesPerSecond);
*aMaxBytesPerSecond = mMaxBytesPerSecond;
return NS_OK;
}
} // namespace net
} // namespace mozilla