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Diffstat (limited to '')
| -rw-r--r-- | netwerk/protocol/http/HttpTransactionChild.cpp | 642 |
1 files changed, 642 insertions, 0 deletions
diff --git a/netwerk/protocol/http/HttpTransactionChild.cpp b/netwerk/protocol/http/HttpTransactionChild.cpp new file mode 100644 index 0000000000..8485a24921 --- /dev/null +++ b/netwerk/protocol/http/HttpTransactionChild.cpp @@ -0,0 +1,642 @@ +/* -*- 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/. */ + +// HttpLog.h should generally be included first +#include "HttpLog.h" + +#include "HttpTransactionChild.h" + +#include "mozilla/ipc/IPCStreamUtils.h" +#include "mozilla/ipc/BackgroundParent.h" +#include "mozilla/net/BackgroundDataBridgeParent.h" +#include "mozilla/net/ChannelEventQueue.h" +#include "mozilla/net/InputChannelThrottleQueueChild.h" +#include "mozilla/net/SocketProcessChild.h" +#include "mozilla/ScopeExit.h" +#include "mozilla/StaticPrefs_network.h" +#include "nsInputStreamPump.h" +#include "nsITransportSecurityInfo.h" +#include "nsHttpHandler.h" +#include "nsNetUtil.h" +#include "nsProxyInfo.h" +#include "nsProxyRelease.h" +#include "nsQueryObject.h" +#include "nsSerializationHelper.h" +#include "OpaqueResponseUtils.h" + +using mozilla::ipc::BackgroundParent; + +namespace mozilla::net { + +NS_IMPL_ISUPPORTS(HttpTransactionChild, nsIRequestObserver, nsIStreamListener, + nsITransportEventSink, nsIThrottledInputChannel, + nsIThreadRetargetableStreamListener, nsIEarlyHintObserver); + +//----------------------------------------------------------------------------- +// HttpTransactionChild <public> +//----------------------------------------------------------------------------- + +HttpTransactionChild::HttpTransactionChild() { + LOG(("Creating HttpTransactionChild @%p\n", this)); +} + +HttpTransactionChild::~HttpTransactionChild() { + LOG(("Destroying HttpTransactionChild @%p\n", this)); +} + +static already_AddRefed<nsIRequestContext> CreateRequestContext( + uint64_t aRequestContextID) { + if (!aRequestContextID) { + return nullptr; + } + + nsIRequestContextService* rcsvc = gHttpHandler->GetRequestContextService(); + if (!rcsvc) { + return nullptr; + } + + nsCOMPtr<nsIRequestContext> requestContext; + rcsvc->GetRequestContext(aRequestContextID, getter_AddRefs(requestContext)); + + return requestContext.forget(); +} + +nsresult HttpTransactionChild::InitInternal( + uint32_t caps, const HttpConnectionInfoCloneArgs& infoArgs, + nsHttpRequestHead* requestHead, nsIInputStream* requestBody, + uint64_t requestContentLength, bool requestBodyHasHeaders, + uint64_t topLevelOuterContentWindowId, uint8_t httpTrafficCategory, + uint64_t requestContextID, ClassOfService classOfService, + uint32_t initialRwin, bool responseTimeoutEnabled, uint64_t channelId, + bool aHasTransactionObserver, + const Maybe<H2PushedStreamArg>& aPushedStreamArg) { + LOG(("HttpTransactionChild::InitInternal [this=%p caps=%x]\n", this, caps)); + + RefPtr<nsHttpConnectionInfo> cinfo = + nsHttpConnectionInfo::DeserializeHttpConnectionInfoCloneArgs(infoArgs); + nsCOMPtr<nsIRequestContext> rc = CreateRequestContext(requestContextID); + + HttpTransactionShell::OnPushCallback pushCallback = nullptr; + if (caps & NS_HTTP_ONPUSH_LISTENER) { + RefPtr<HttpTransactionChild> self = this; + pushCallback = [self](uint32_t aPushedStreamId, const nsACString& aUrl, + const nsACString& aRequestString, + HttpTransactionShell* aTransaction) { + bool res = false; + if (self->CanSend()) { + res = + self->SendOnH2PushStream(aPushedStreamId, PromiseFlatCString(aUrl), + PromiseFlatCString(aRequestString)); + } + return res ? NS_OK : NS_ERROR_FAILURE; + }; + } + + std::function<void(TransactionObserverResult &&)> observer; + if (aHasTransactionObserver) { + nsMainThreadPtrHandle<HttpTransactionChild> handle( + new nsMainThreadPtrHolder<HttpTransactionChild>( + "HttpTransactionChildProxy", this, false)); + observer = [handle](TransactionObserverResult&& aResult) { + handle->mTransactionObserverResult.emplace(std::move(aResult)); + }; + } + + RefPtr<nsHttpTransaction> transWithPushedStream; + uint32_t pushedStreamId = 0; + if (aPushedStreamArg) { + HttpTransactionChild* transChild = static_cast<HttpTransactionChild*>( + aPushedStreamArg.ref().transWithPushedStreamChild()); + transWithPushedStream = transChild->GetHttpTransaction(); + pushedStreamId = aPushedStreamArg.ref().pushedStreamId(); + } + + nsresult rv = mTransaction->Init( + caps, cinfo, requestHead, requestBody, requestContentLength, + requestBodyHasHeaders, GetCurrentEventTarget(), + nullptr, // TODO: security callback, fix in bug 1512479. + this, topLevelOuterContentWindowId, + static_cast<HttpTrafficCategory>(httpTrafficCategory), rc, classOfService, + initialRwin, responseTimeoutEnabled, channelId, std::move(observer), + std::move(pushCallback), transWithPushedStream, pushedStreamId); + if (NS_WARN_IF(NS_FAILED(rv))) { + mTransaction = nullptr; + return rv; + } + + Unused << mTransaction->AsyncRead(this, getter_AddRefs(mTransactionPump)); + return rv; +} + +mozilla::ipc::IPCResult HttpTransactionChild::RecvCancelPump( + const nsresult& aStatus) { + LOG(("HttpTransactionChild::RecvCancelPump start [this=%p]\n", this)); + CancelInternal(aStatus); + return IPC_OK(); +} + +void HttpTransactionChild::CancelInternal(nsresult aStatus) { + MOZ_ASSERT(NS_FAILED(aStatus)); + + mCanceled = true; + mStatus = aStatus; + if (mTransactionPump) { + mTransactionPump->Cancel(mStatus); + } +} + +mozilla::ipc::IPCResult HttpTransactionChild::RecvSuspendPump() { + LOG(("HttpTransactionChild::RecvSuspendPump start [this=%p]\n", this)); + + if (mTransactionPump) { + mTransactionPump->Suspend(); + } + return IPC_OK(); +} + +mozilla::ipc::IPCResult HttpTransactionChild::RecvResumePump() { + LOG(("HttpTransactionChild::RecvResumePump start [this=%p]\n", this)); + + if (mTransactionPump) { + mTransactionPump->Resume(); + } + return IPC_OK(); +} + +mozilla::ipc::IPCResult HttpTransactionChild::RecvInit( + const uint32_t& aCaps, const HttpConnectionInfoCloneArgs& aArgs, + const nsHttpRequestHead& aReqHeaders, const Maybe<IPCStream>& aRequestBody, + const uint64_t& aReqContentLength, const bool& aReqBodyIncludesHeaders, + const uint64_t& aTopLevelOuterContentWindowId, + const uint8_t& aHttpTrafficCategory, const uint64_t& aRequestContextID, + const ClassOfService& aClassOfService, const uint32_t& aInitialRwin, + const bool& aResponseTimeoutEnabled, const uint64_t& aChannelId, + const bool& aHasTransactionObserver, + const Maybe<H2PushedStreamArg>& aPushedStreamArg, + const mozilla::Maybe<PInputChannelThrottleQueueChild*>& aThrottleQueue, + const bool& aIsDocumentLoad, const TimeStamp& aRedirectStart, + const TimeStamp& aRedirectEnd) { + mRequestHead = aReqHeaders; + if (aRequestBody) { + mUploadStream = mozilla::ipc::DeserializeIPCStream(aRequestBody); + } + + mTransaction = new nsHttpTransaction(); + mChannelId = aChannelId; + mIsDocumentLoad = aIsDocumentLoad; + mRedirectStart = aRedirectStart; + mRedirectEnd = aRedirectEnd; + + if (aThrottleQueue.isSome()) { + mThrottleQueue = + static_cast<InputChannelThrottleQueueChild*>(aThrottleQueue.ref()); + } + + nsresult rv = InitInternal( + aCaps, aArgs, &mRequestHead, mUploadStream, aReqContentLength, + aReqBodyIncludesHeaders, aTopLevelOuterContentWindowId, + aHttpTrafficCategory, aRequestContextID, aClassOfService, aInitialRwin, + aResponseTimeoutEnabled, aChannelId, aHasTransactionObserver, + aPushedStreamArg); + if (NS_FAILED(rv)) { + LOG(("HttpTransactionChild::RecvInit: [this=%p] InitInternal failed!\n", + this)); + mTransaction = nullptr; + SendOnInitFailed(rv); + } + return IPC_OK(); +} + +mozilla::ipc::IPCResult HttpTransactionChild::RecvSetDNSWasRefreshed() { + LOG(("HttpTransactionChild::SetDNSWasRefreshed [this=%p]\n", this)); + if (mTransaction) { + mTransaction->SetDNSWasRefreshed(); + } + return IPC_OK(); +} + +mozilla::ipc::IPCResult HttpTransactionChild::RecvDontReuseConnection() { + LOG(("HttpTransactionChild::RecvDontReuseConnection [this=%p]\n", this)); + if (mTransaction) { + mTransaction->DontReuseConnection(); + } + return IPC_OK(); +} + +mozilla::ipc::IPCResult HttpTransactionChild::RecvSetH2WSConnRefTaken() { + LOG(("HttpTransactionChild::RecvSetH2WSConnRefTaken [this=%p]\n", this)); + if (mTransaction) { + mTransaction->SetH2WSConnRefTaken(); + } + return IPC_OK(); +} + +void HttpTransactionChild::ActorDestroy(ActorDestroyReason aWhy) { + LOG(("HttpTransactionChild::ActorDestroy [this=%p]\n", this)); + mTransaction = nullptr; + mTransactionPump = nullptr; +} + +nsHttpTransaction* HttpTransactionChild::GetHttpTransaction() { + return mTransaction.get(); +} + +//----------------------------------------------------------------------------- +// HttpTransactionChild <nsIStreamListener> +//----------------------------------------------------------------------------- + +NS_IMETHODIMP +HttpTransactionChild::OnDataAvailable(nsIRequest* aRequest, + nsIInputStream* aInputStream, + uint64_t aOffset, uint32_t aCount) { + LOG(("HttpTransactionChild::OnDataAvailable [this=%p, aOffset= %" PRIu64 + " aCount=%" PRIu32 "]\n", + this, aOffset, aCount)); + + // Don't bother sending IPC if already canceled. + if (mCanceled) { + return mStatus; + } + + // TODO: send string data in chunks and handle errors. Bug 1600129. + nsCString data; + nsresult rv = NS_ReadInputStreamToString(aInputStream, data, aCount); + if (NS_FAILED(rv)) { + return rv; + } + + mLogicalOffset += aCount; + + if (NS_IsMainThread()) { + if (!CanSend()) { + return NS_ERROR_FAILURE; + } + + nsHttp::SendFunc<nsCString> sendFunc = + [self = UnsafePtr<HttpTransactionChild>(this)]( + const nsCString& aData, uint64_t aOffset, uint32_t aCount) { + return self->SendOnDataAvailable(aData, aOffset, aCount); + }; + + LOG((" ODA to parent process")); + if (!nsHttp::SendDataInChunks(data, aOffset, aCount, sendFunc)) { + return NS_ERROR_FAILURE; + } + return NS_OK; + } + + ipc::AssertIsOnBackgroundThread(); + MOZ_ASSERT(mDataBridgeParent); + + if (!mDataBridgeParent->CanSend()) { + return NS_ERROR_FAILURE; + } + + nsHttp::SendFunc<nsDependentCSubstring> sendFunc = + [self = UnsafePtr<HttpTransactionChild>(this)]( + const nsDependentCSubstring& aData, uint64_t aOffset, + uint32_t aCount) { + return self->mDataBridgeParent->SendOnTransportAndData(aOffset, aCount, + aData); + }; + + LOG((" ODA to content process")); + if (!nsHttp::SendDataInChunks(data, aOffset, aCount, sendFunc)) { + MOZ_ASSERT(false, "Send ODA to content process failed"); + return NS_ERROR_FAILURE; + } + + // We still need to send ODA to parent process, because the data needs to be + // saved in cache. Note that we set dataSentToChildProcess to true, to this + // ODA will not be sent to child process. + RefPtr<HttpTransactionChild> self = this; + rv = NS_DispatchToMainThread( + NS_NewRunnableFunction( + "HttpTransactionChild::OnDataAvailable", + [self, offset(aOffset), count(aCount), data(data)]() { + nsHttp::SendFunc<nsCString> sendFunc = + [self](const nsCString& aData, uint64_t aOffset, + uint32_t aCount) { + return self->SendOnDataAvailable(aData, aOffset, aCount); + }; + + if (!nsHttp::SendDataInChunks(data, offset, count, sendFunc)) { + self->CancelInternal(NS_ERROR_FAILURE); + } + }), + NS_DISPATCH_NORMAL); + MOZ_ASSERT(NS_SUCCEEDED(rv)); + + return NS_OK; +} + +static TimingStructArgs ToTimingStructArgs(TimingStruct aTiming) { + TimingStructArgs args; + args.domainLookupStart() = aTiming.domainLookupStart; + args.domainLookupEnd() = aTiming.domainLookupEnd; + args.connectStart() = aTiming.connectStart; + args.tcpConnectEnd() = aTiming.tcpConnectEnd; + args.secureConnectionStart() = aTiming.secureConnectionStart; + args.connectEnd() = aTiming.connectEnd; + args.requestStart() = aTiming.requestStart; + args.responseStart() = aTiming.responseStart; + args.responseEnd() = aTiming.responseEnd; + return args; +} + +// The maximum number of bytes to consider when attempting to sniff. +// See https://mimesniff.spec.whatwg.org/#reading-the-resource-header. +static const uint32_t MAX_BYTES_SNIFFED = 1445; + +static void GetDataForSniffer(void* aClosure, const uint8_t* aData, + uint32_t aCount) { + nsTArray<uint8_t>* outData = static_cast<nsTArray<uint8_t>*>(aClosure); + outData->AppendElements(aData, std::min(aCount, MAX_BYTES_SNIFFED)); +} + +bool HttpTransactionChild::CanSendODAToContentProcessDirectly( + const Maybe<nsHttpResponseHead>& aHead) { + if (!StaticPrefs::network_send_ODA_to_content_directly()) { + return false; + } + + // If this is a document load, the content process that receives ODA is not + // decided yet, so don't bother to do the rest check. + if (mIsDocumentLoad) { + return false; + } + + if (!aHead) { + return false; + } + + // We only need to deliver ODA when the response is succeed. + if (aHead->Status() != 200) { + return false; + } + + // UnknownDecoder could be used in parent process, so we can't send ODA to + // content process. + if (!aHead->HasContentType()) { + return false; + } + + return true; +} + +NS_IMETHODIMP +HttpTransactionChild::OnStartRequest(nsIRequest* aRequest) { + LOG(("HttpTransactionChild::OnStartRequest start [this=%p] mTransaction=%p\n", + this, mTransaction.get())); + + // Don't bother sending IPC to parent process if already canceled. + if (mCanceled) { + return mStatus; + } + + if (!CanSend()) { + return NS_ERROR_FAILURE; + } + + MOZ_ASSERT(mTransaction); + + nsresult status; + aRequest->GetStatus(&status); + + mProtocolVersion.Truncate(); + + nsCOMPtr<nsITransportSecurityInfo> securityInfo(mTransaction->SecurityInfo()); + if (securityInfo) { + nsAutoCString protocol; + if (NS_SUCCEEDED(securityInfo->GetNegotiatedNPN(protocol)) && + !protocol.IsEmpty()) { + mProtocolVersion.Assign(protocol); + } + } + + UniquePtr<nsHttpResponseHead> head(mTransaction->TakeResponseHead()); + Maybe<nsHttpResponseHead> optionalHead; + nsTArray<uint8_t> dataForSniffer; + if (head) { + if (mProtocolVersion.IsEmpty()) { + HttpVersion version = head->Version(); + mProtocolVersion.Assign(nsHttp::GetProtocolVersion(version)); + } + optionalHead = Some(*head); + + if (GetOpaqueResponseBlockedReason(*head) == + OpaqueResponseBlockedReason::BLOCKED_SHOULD_SNIFF) { + RefPtr<nsInputStreamPump> pump = do_QueryObject(mTransactionPump); + pump->PeekStream(GetDataForSniffer, &dataForSniffer); + } + } + + Maybe<nsCString> optionalAltSvcUsed; + nsCString altSvcUsed; + if (NS_SUCCEEDED(mTransaction->RequestHead()->GetHeader( + nsHttp::Alternate_Service_Used, altSvcUsed)) && + !altSvcUsed.IsEmpty()) { + optionalAltSvcUsed.emplace(altSvcUsed); + } + + if (CanSendODAToContentProcessDirectly(optionalHead)) { + Maybe<RefPtr<BackgroundDataBridgeParent>> dataBridgeParent = + SocketProcessChild::GetSingleton()->GetAndRemoveDataBridge(mChannelId); + // Check if there is a registered BackgroundDataBridgeParent. + if (dataBridgeParent) { + mDataBridgeParent = std::move(dataBridgeParent.ref()); + + nsCOMPtr<nsIThread> backgroundThread = + mDataBridgeParent->GetBackgroundThread(); + nsCOMPtr<nsIThreadRetargetableRequest> retargetableTransactionPump; + retargetableTransactionPump = do_QueryObject(mTransactionPump); + // nsInputStreamPump should implement this interface. + MOZ_ASSERT(retargetableTransactionPump); + + nsresult rv = + retargetableTransactionPump->RetargetDeliveryTo(backgroundThread); + LOG((" Retarget to background thread [this=%p rv=%08x]\n", this, + static_cast<uint32_t>(rv))); + if (NS_FAILED(rv)) { + mDataBridgeParent->Destroy(); + mDataBridgeParent = nullptr; + } + } + } + + int32_t proxyConnectResponseCode = + mTransaction->GetProxyConnectResponseCode(); + + Unused << SendOnStartRequest( + status, optionalHead, securityInfo, mTransaction->ProxyConnectFailed(), + ToTimingStructArgs(mTransaction->Timings()), proxyConnectResponseCode, + dataForSniffer, optionalAltSvcUsed, !!mDataBridgeParent, + mTransaction->TakeRestartedState(), mTransaction->HTTPSSVCReceivedStage(), + mTransaction->GetSupportsHTTP3()); + return NS_OK; +} + +ResourceTimingStructArgs HttpTransactionChild::GetTimingAttributes() { + // Note that not all fields in ResourceTimingStructArgs are filled, since + // we only need some in HttpChannelChild::OnStopRequest. + ResourceTimingStructArgs args; + args.domainLookupStart() = mTransaction->GetDomainLookupStart(); + args.domainLookupEnd() = mTransaction->GetDomainLookupEnd(); + args.connectStart() = mTransaction->GetConnectStart(); + args.tcpConnectEnd() = mTransaction->GetTcpConnectEnd(); + args.secureConnectionStart() = mTransaction->GetSecureConnectionStart(); + args.connectEnd() = mTransaction->GetConnectEnd(); + args.requestStart() = mTransaction->GetRequestStart(); + args.responseStart() = mTransaction->GetResponseStart(); + args.responseEnd() = mTransaction->GetResponseEnd(); + args.transferSize() = mTransaction->GetTransferSize(); + args.encodedBodySize() = mLogicalOffset; + args.redirectStart() = mRedirectStart; + args.redirectEnd() = mRedirectEnd; + args.protocolVersion() = mProtocolVersion; + return args; +} + +NS_IMETHODIMP +HttpTransactionChild::OnStopRequest(nsIRequest* aRequest, nsresult aStatus) { + LOG(("HttpTransactionChild::OnStopRequest [this=%p]\n", this)); + + mTransactionPump = nullptr; + + auto onStopGuard = MakeScopeExit([&] { + LOG((" calling mDataBridgeParent->OnStopRequest by ScopeExit [this=%p]\n", + this)); + MOZ_ASSERT(NS_FAILED(mStatus), "This shoule be only called when failure"); + if (mDataBridgeParent) { + mDataBridgeParent->OnStopRequest(mStatus, ResourceTimingStructArgs(), + TimeStamp(), nsHttpHeaderArray()); + mDataBridgeParent = nullptr; + } + }); + + // Don't bother sending IPC to parent process if already canceled. + if (mCanceled) { + return mStatus; + } + + if (!CanSend()) { + mStatus = NS_ERROR_UNEXPECTED; + return mStatus; + } + + MOZ_ASSERT(mTransaction); + + UniquePtr<nsHttpHeaderArray> headerArray( + mTransaction->TakeResponseTrailers()); + Maybe<nsHttpHeaderArray> responseTrailers; + if (headerArray) { + responseTrailers.emplace(*headerArray); + } + + onStopGuard.release(); + + TimeStamp lastActTabOpt = nsHttp::GetLastActiveTabLoadOptimizationHit(); + + if (mDataBridgeParent) { + mDataBridgeParent->OnStopRequest( + aStatus, GetTimingAttributes(), lastActTabOpt, + responseTrailers ? *responseTrailers : nsHttpHeaderArray()); + mDataBridgeParent = nullptr; + } + + RefPtr<nsHttpConnectionInfo> connInfo = mTransaction->GetConnInfo(); + HttpConnectionInfoCloneArgs infoArgs; + nsHttpConnectionInfo::SerializeHttpConnectionInfo(connInfo, infoArgs); + Unused << SendOnStopRequest(aStatus, mTransaction->ResponseIsComplete(), + mTransaction->GetTransferSize(), + ToTimingStructArgs(mTransaction->Timings()), + responseTrailers, mTransactionObserverResult, + lastActTabOpt, mTransaction->Caps(), infoArgs); + + return NS_OK; +} + +//----------------------------------------------------------------------------- +// HttpTransactionChild <nsITransportEventSink> +//----------------------------------------------------------------------------- + +NS_IMETHODIMP +HttpTransactionChild::OnTransportStatus(nsITransport* aTransport, + nsresult aStatus, int64_t aProgress, + int64_t aProgressMax) { + LOG(("HttpTransactionChild::OnTransportStatus [this=%p status=%" PRIx32 + " progress=%" PRId64 "]\n", + this, static_cast<uint32_t>(aStatus), aProgress)); + + if (!CanSend()) { + return NS_OK; + } + + Maybe<NetworkAddressArg> arg; + if (aStatus == NS_NET_STATUS_CONNECTED_TO || + aStatus == NS_NET_STATUS_WAITING_FOR) { + NetAddr selfAddr; + NetAddr peerAddr; + bool isTrr = false; + bool echConfigUsed = false; + if (mTransaction) { + mTransaction->GetNetworkAddresses(selfAddr, peerAddr, isTrr, + echConfigUsed); + } else { + nsCOMPtr<nsISocketTransport> socketTransport = + do_QueryInterface(aTransport); + if (socketTransport) { + socketTransport->GetSelfAddr(&selfAddr); + socketTransport->GetPeerAddr(&peerAddr); + socketTransport->ResolvedByTRR(&isTrr); + socketTransport->GetEchConfigUsed(&echConfigUsed); + } + } + arg.emplace(selfAddr, peerAddr, isTrr, echConfigUsed); + } + + Unused << SendOnTransportStatus(aStatus, aProgress, aProgressMax, arg); + return NS_OK; +} + +//----------------------------------------------------------------------------- +// HttpBaseChannel::nsIThrottledInputChannel +//----------------------------------------------------------------------------- + +NS_IMETHODIMP +HttpTransactionChild::SetThrottleQueue(nsIInputChannelThrottleQueue* aQueue) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +HttpTransactionChild::GetThrottleQueue(nsIInputChannelThrottleQueue** aQueue) { + nsCOMPtr<nsIInputChannelThrottleQueue> queue = + static_cast<nsIInputChannelThrottleQueue*>(mThrottleQueue.get()); + queue.forget(aQueue); + return NS_OK; +} + +//----------------------------------------------------------------------------- +// EventSourceImpl::nsIThreadRetargetableStreamListener +//----------------------------------------------------------------------------- +NS_IMETHODIMP +HttpTransactionChild::CheckListenerChain() { + MOZ_ASSERT(NS_IsMainThread(), "Should be on the main thread!"); + return NS_OK; +} + +NS_IMETHODIMP +HttpTransactionChild::EarlyHint(const nsACString& aValue, + const nsACString& aReferrerPolicy, + const nsACString& aCSPHeader) { + LOG(("HttpTransactionChild::EarlyHint")); + if (CanSend()) { + Unused << SendEarlyHint(aValue, aReferrerPolicy, aCSPHeader); + } + return NS_OK; +} + +} // namespace mozilla::net |