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-rw-r--r--netwerk/protocol/http/HttpBackgroundChannelChild.cpp499
1 files changed, 499 insertions, 0 deletions
diff --git a/netwerk/protocol/http/HttpBackgroundChannelChild.cpp b/netwerk/protocol/http/HttpBackgroundChannelChild.cpp
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+++ b/netwerk/protocol/http/HttpBackgroundChannelChild.cpp
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+
+/* 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 "HttpBackgroundChannelChild.h"
+
+#include "HttpChannelChild.h"
+#include "mozilla/ipc/BackgroundChild.h"
+#include "mozilla/ipc/PBackgroundChild.h"
+#include "mozilla/IntegerPrintfMacros.h"
+#include "mozilla/net/BackgroundDataBridgeChild.h"
+#include "mozilla/Unused.h"
+#include "nsSocketTransportService2.h"
+
+using mozilla::ipc::BackgroundChild;
+using mozilla::ipc::IPCResult;
+
+namespace mozilla {
+namespace net {
+
+// HttpBackgroundChannelChild
+HttpBackgroundChannelChild::HttpBackgroundChannelChild() = default;
+
+HttpBackgroundChannelChild::~HttpBackgroundChannelChild() = default;
+
+nsresult HttpBackgroundChannelChild::Init(HttpChannelChild* aChannelChild) {
+ LOG(
+ ("HttpBackgroundChannelChild::Init [this=%p httpChannel=%p "
+ "channelId=%" PRIu64 "]\n",
+ this, aChannelChild, aChannelChild->ChannelId()));
+ MOZ_ASSERT(OnSocketThread());
+ NS_ENSURE_ARG(aChannelChild);
+
+ mChannelChild = aChannelChild;
+
+ if (NS_WARN_IF(!CreateBackgroundChannel())) {
+#ifdef MOZ_DIAGNOSTIC_ASSERT_ENABLED
+ // mChannelChild may be nulled already. Use aChannelChild
+ aChannelChild->mCreateBackgroundChannelFailed = true;
+#endif
+ mChannelChild = nullptr;
+ return NS_ERROR_FAILURE;
+ }
+
+ mFirstODASource = ODA_PENDING;
+ mOnStopRequestCalled = false;
+ return NS_OK;
+}
+
+void HttpBackgroundChannelChild::CreateDataBridge() {
+ MOZ_ASSERT(OnSocketThread());
+
+ if (!mChannelChild) {
+ return;
+ }
+
+ PBackgroundChild* actorChild =
+ BackgroundChild::GetOrCreateSocketActorForCurrentThread();
+ if (NS_WARN_IF(!actorChild)) {
+ return;
+ }
+
+ RefPtr<BackgroundDataBridgeChild> dataBridgeChild =
+ new BackgroundDataBridgeChild(this);
+ Unused << actorChild->SendPBackgroundDataBridgeConstructor(
+ dataBridgeChild, mChannelChild->ChannelId());
+}
+
+void HttpBackgroundChannelChild::OnChannelClosed() {
+ LOG(("HttpBackgroundChannelChild::OnChannelClosed [this=%p]\n", this));
+ MOZ_ASSERT(OnSocketThread());
+
+#ifdef MOZ_DIAGNOSTIC_ASSERT_ENABLED
+ if (mChannelChild) {
+ mChannelChild->mBackgroundChildQueueFinalState =
+ mQueuedRunnables.IsEmpty() ? HttpChannelChild::BCKCHILD_EMPTY
+ : HttpChannelChild::BCKCHILD_NON_EMPTY;
+ }
+#endif
+
+ // HttpChannelChild is not going to handle any incoming message.
+ mChannelChild = nullptr;
+
+ // Remove pending IPC messages as well.
+ mQueuedRunnables.Clear();
+ mConsoleReportTask = nullptr;
+}
+
+bool HttpBackgroundChannelChild::ChannelClosed() {
+ MOZ_ASSERT(OnSocketThread());
+
+ return !mChannelChild;
+}
+
+void HttpBackgroundChannelChild::OnStartRequestReceived(
+ Maybe<uint32_t> aMultiPartID) {
+ LOG(("HttpBackgroundChannelChild::OnStartRequestReceived [this=%p]\n", this));
+ MOZ_ASSERT(OnSocketThread());
+ MOZ_ASSERT(mChannelChild);
+ MOZ_ASSERT(!mStartReceived || *aMultiPartID > 0);
+
+ mStartReceived = true;
+
+ nsTArray<nsCOMPtr<nsIRunnable>> runnables = std::move(mQueuedRunnables);
+
+ for (const auto& event : runnables) {
+ // Note: these runnables call Recv* methods on HttpBackgroundChannelChild
+ // but not the Process* methods on HttpChannelChild.
+ event->Run();
+ }
+
+ // Ensure no new message is enqueued.
+ MOZ_ASSERT(mQueuedRunnables.IsEmpty());
+}
+
+bool HttpBackgroundChannelChild::CreateBackgroundChannel() {
+ LOG(("HttpBackgroundChannelChild::CreateBackgroundChannel [this=%p]\n",
+ this));
+ MOZ_ASSERT(OnSocketThread());
+ MOZ_ASSERT(mChannelChild);
+
+ PBackgroundChild* actorChild = BackgroundChild::GetOrCreateForCurrentThread();
+ if (NS_WARN_IF(!actorChild)) {
+ return false;
+ }
+
+ const uint64_t channelId = mChannelChild->ChannelId();
+ if (!actorChild->SendPHttpBackgroundChannelConstructor(this, channelId)) {
+ return false;
+ }
+
+ mChannelChild->OnBackgroundChildReady(this);
+ return true;
+}
+
+IPCResult HttpBackgroundChannelChild::RecvOnAfterLastPart(
+ const nsresult& aStatus) {
+ LOG(("HttpBackgroundChannelChild::RecvOnAfterLastPart [this=%p]\n", this));
+ MOZ_ASSERT(OnSocketThread());
+
+ if (NS_WARN_IF(!mChannelChild)) {
+ return IPC_OK();
+ }
+
+ mChannelChild->ProcessOnAfterLastPart(aStatus);
+ return IPC_OK();
+}
+
+IPCResult HttpBackgroundChannelChild::RecvOnProgress(
+ const int64_t& aProgress, const int64_t& aProgressMax) {
+ LOG(("HttpBackgroundChannelChild::RecvOnProgress [this=%p]\n", this));
+ MOZ_ASSERT(OnSocketThread());
+
+ if (NS_WARN_IF(!mChannelChild)) {
+ return IPC_OK();
+ }
+
+ mChannelChild->ProcessOnProgress(aProgress, aProgressMax);
+ return IPC_OK();
+}
+
+IPCResult HttpBackgroundChannelChild::RecvOnStatus(const nsresult& aStatus) {
+ LOG(("HttpBackgroundChannelChild::RecvOnStatus [this=%p]\n", this));
+ MOZ_ASSERT(OnSocketThread());
+
+ if (NS_WARN_IF(!mChannelChild)) {
+ return IPC_OK();
+ }
+
+ mChannelChild->ProcessOnStatus(aStatus);
+ return IPC_OK();
+}
+
+bool HttpBackgroundChannelChild::IsWaitingOnStartRequest() {
+ MOZ_ASSERT(OnSocketThread());
+
+ // Need to wait for OnStartRequest if it is sent by
+ // parent process but not received by content process.
+ return !mStartReceived;
+}
+
+// PHttpBackgroundChannelChild
+IPCResult HttpBackgroundChannelChild::RecvOnStartRequest(
+ const nsHttpResponseHead& aResponseHead, const bool& aUseResponseHead,
+ const nsHttpHeaderArray& aRequestHeaders,
+ const HttpChannelOnStartRequestArgs& aArgs,
+ const HttpChannelAltDataStream& aAltData) {
+ LOG((
+ "HttpBackgroundChannelChild::RecvOnStartRequest [this=%p, status=%" PRIx32
+ "]\n",
+ this, static_cast<uint32_t>(aArgs.channelStatus())));
+ MOZ_ASSERT(OnSocketThread());
+
+ if (NS_WARN_IF(!mChannelChild)) {
+ return IPC_OK();
+ }
+
+ mFirstODASource =
+ aArgs.dataFromSocketProcess() ? ODA_FROM_SOCKET : ODA_FROM_PARENT;
+
+ mChannelChild->ProcessOnStartRequest(aResponseHead, aUseResponseHead,
+ aRequestHeaders, aArgs, aAltData);
+ // Allow to queue other runnable since OnStartRequest Event already hits the
+ // child's mEventQ.
+ OnStartRequestReceived(aArgs.multiPartID());
+
+ return IPC_OK();
+}
+
+IPCResult HttpBackgroundChannelChild::RecvOnTransportAndData(
+ const nsresult& aChannelStatus, const nsresult& aTransportStatus,
+ const uint64_t& aOffset, const uint32_t& aCount, const nsACString& aData,
+ const bool& aDataFromSocketProcess) {
+ RefPtr<HttpBackgroundChannelChild> self = this;
+ std::function<void()> callProcessOnTransportAndData =
+ [self, aChannelStatus, aTransportStatus, aOffset, aCount,
+ data = nsCString(aData), aDataFromSocketProcess]() {
+ LOG(
+ ("HttpBackgroundChannelChild::RecvOnTransportAndData [this=%p, "
+ "aDataFromSocketProcess=%d, mFirstODASource=%d]\n",
+ self.get(), aDataFromSocketProcess, self->mFirstODASource));
+ MOZ_ASSERT(OnSocketThread());
+
+ if (NS_WARN_IF(!self->mChannelChild)) {
+ return;
+ }
+
+ if (((self->mFirstODASource == ODA_FROM_SOCKET) &&
+ !aDataFromSocketProcess) ||
+ ((self->mFirstODASource == ODA_FROM_PARENT) &&
+ aDataFromSocketProcess)) {
+ return;
+ }
+
+ // The HttpTransactionChild in socket process may not know that this
+ // request is cancelled or failed due to the IPC delay. In this case, we
+ // should not forward ODA to HttpChannelChild.
+ nsresult channelStatus;
+ self->mChannelChild->GetStatus(&channelStatus);
+ if (NS_FAILED(channelStatus)) {
+ return;
+ }
+
+ self->mChannelChild->ProcessOnTransportAndData(
+ aChannelStatus, aTransportStatus, aOffset, aCount, data);
+ };
+
+ // Bug 1641336: Race only happens if the data is from socket process.
+ if (IsWaitingOnStartRequest()) {
+ LOG((" > pending until OnStartRequest [offset=%" PRIu64 " count=%" PRIu32
+ "]\n",
+ aOffset, aCount));
+
+ mQueuedRunnables.AppendElement(NS_NewRunnableFunction(
+ "HttpBackgroundChannelChild::RecvOnTransportAndData",
+ std::move(callProcessOnTransportAndData)));
+ return IPC_OK();
+ }
+
+ callProcessOnTransportAndData();
+ return IPC_OK();
+}
+
+IPCResult HttpBackgroundChannelChild::RecvOnStopRequest(
+ const nsresult& aChannelStatus, const ResourceTimingStructArgs& aTiming,
+ const TimeStamp& aLastActiveTabOptHit,
+ const nsHttpHeaderArray& aResponseTrailers,
+ nsTArray<ConsoleReportCollected>&& aConsoleReports,
+ const bool& aFromSocketProcess) {
+ LOG(
+ ("HttpBackgroundChannelChild::RecvOnStopRequest [this=%p, "
+ "aFromSocketProcess=%d, mFirstODASource=%d]\n",
+ this, aFromSocketProcess, mFirstODASource));
+ MOZ_ASSERT(gSocketTransportService);
+ MOZ_ASSERT(gSocketTransportService->IsOnCurrentThreadInfallible());
+
+ // It's enough to set this from (just before) OnStopRequest notification,
+ // since we don't need this value sooner than a channel was done loading -
+ // everything this timestamp affects takes place only after a channel's
+ // OnStopRequest.
+ nsHttp::SetLastActiveTabLoadOptimizationHit(aLastActiveTabOptHit);
+
+ if (NS_WARN_IF(!mChannelChild)) {
+ return IPC_OK();
+ }
+
+ if (IsWaitingOnStartRequest()) {
+ LOG((" > pending until OnStartRequest [status=%" PRIx32 "]\n",
+ static_cast<uint32_t>(aChannelStatus)));
+
+ RefPtr<HttpBackgroundChannelChild> self = this;
+
+ nsCOMPtr<nsIRunnable> task = NS_NewRunnableFunction(
+ "HttpBackgroundChannelChild::RecvOnStopRequest",
+ [self, aChannelStatus, aTiming, aLastActiveTabOptHit, aResponseTrailers,
+ consoleReports = CopyableTArray{std::move(aConsoleReports)},
+ aFromSocketProcess]() mutable {
+ self->RecvOnStopRequest(aChannelStatus, aTiming, aLastActiveTabOptHit,
+ aResponseTrailers, std::move(consoleReports),
+ aFromSocketProcess);
+ });
+
+ mQueuedRunnables.AppendElement(task.forget());
+ return IPC_OK();
+ }
+
+ if (mFirstODASource != ODA_FROM_SOCKET) {
+ if (!aFromSocketProcess) {
+ mOnStopRequestCalled = true;
+ mChannelChild->ProcessOnStopRequest(aChannelStatus, aTiming,
+ aResponseTrailers,
+ std::move(aConsoleReports), false);
+ }
+ return IPC_OK();
+ }
+
+ MOZ_ASSERT(mFirstODASource == ODA_FROM_SOCKET);
+
+ if (aFromSocketProcess) {
+ MOZ_ASSERT(!mOnStopRequestCalled);
+ mOnStopRequestCalled = true;
+ mChannelChild->ProcessOnStopRequest(aChannelStatus, aTiming,
+ aResponseTrailers,
+ std::move(aConsoleReports), true);
+ if (mConsoleReportTask) {
+ mConsoleReportTask();
+ mConsoleReportTask = nullptr;
+ }
+ return IPC_OK();
+ }
+
+ return IPC_OK();
+}
+
+IPCResult HttpBackgroundChannelChild::RecvOnConsoleReport(
+ nsTArray<ConsoleReportCollected>&& aConsoleReports) {
+ LOG(("HttpBackgroundChannelChild::RecvOnConsoleReport [this=%p]\n", this));
+ MOZ_ASSERT(mFirstODASource == ODA_FROM_SOCKET);
+ MOZ_ASSERT(gSocketTransportService);
+ MOZ_ASSERT(gSocketTransportService->IsOnCurrentThreadInfallible());
+
+ if (IsWaitingOnStartRequest()) {
+ LOG((" > pending until OnStartRequest\n"));
+
+ RefPtr<HttpBackgroundChannelChild> self = this;
+
+ nsCOMPtr<nsIRunnable> task = NS_NewRunnableFunction(
+ "HttpBackgroundChannelChild::RecvOnConsoleReport",
+ [self, consoleReports =
+ CopyableTArray{std::move(aConsoleReports)}]() mutable {
+ self->RecvOnConsoleReport(std::move(consoleReports));
+ });
+
+ mQueuedRunnables.AppendElement(task.forget());
+ return IPC_OK();
+ }
+
+ if (mOnStopRequestCalled) {
+ mChannelChild->ProcessOnConsoleReport(std::move(aConsoleReports));
+ } else {
+ RefPtr<HttpBackgroundChannelChild> self = this;
+ mConsoleReportTask = [self, consoleReports = CopyableTArray{
+ std::move(aConsoleReports)}]() mutable {
+ self->mChannelChild->ProcessOnConsoleReport(std::move(consoleReports));
+ };
+ }
+
+ return IPC_OK();
+}
+
+IPCResult HttpBackgroundChannelChild::RecvNotifyClassificationFlags(
+ const uint32_t& aClassificationFlags, const bool& aIsThirdParty) {
+ LOG(
+ ("HttpBackgroundChannelChild::RecvNotifyClassificationFlags "
+ "classificationFlags=%" PRIu32 ", thirdparty=%d [this=%p]\n",
+ aClassificationFlags, static_cast<int>(aIsThirdParty), this));
+ MOZ_ASSERT(OnSocketThread());
+
+ if (NS_WARN_IF(!mChannelChild)) {
+ return IPC_OK();
+ }
+
+ // NotifyClassificationFlags has no order dependency to OnStartRequest.
+ // It this be handled as soon as possible
+ mChannelChild->ProcessNotifyClassificationFlags(aClassificationFlags,
+ aIsThirdParty);
+
+ return IPC_OK();
+}
+
+IPCResult HttpBackgroundChannelChild::RecvSetClassifierMatchedInfo(
+ const ClassifierInfo& info) {
+ LOG(("HttpBackgroundChannelChild::RecvSetClassifierMatchedInfo [this=%p]\n",
+ this));
+ MOZ_ASSERT(OnSocketThread());
+
+ if (NS_WARN_IF(!mChannelChild)) {
+ return IPC_OK();
+ }
+
+ // SetClassifierMatchedInfo has no order dependency to OnStartRequest.
+ // It this be handled as soon as possible
+ mChannelChild->ProcessSetClassifierMatchedInfo(info.list(), info.provider(),
+ info.fullhash());
+
+ return IPC_OK();
+}
+
+IPCResult HttpBackgroundChannelChild::RecvSetClassifierMatchedTrackingInfo(
+ const ClassifierInfo& info) {
+ LOG(
+ ("HttpBackgroundChannelChild::RecvSetClassifierMatchedTrackingInfo "
+ "[this=%p]\n",
+ this));
+ MOZ_ASSERT(OnSocketThread());
+
+ if (NS_WARN_IF(!mChannelChild)) {
+ return IPC_OK();
+ }
+
+ // SetClassifierMatchedTrackingInfo has no order dependency to
+ // OnStartRequest. It this be handled as soon as possible
+ mChannelChild->ProcessSetClassifierMatchedTrackingInfo(info.list(),
+ info.fullhash());
+
+ return IPC_OK();
+}
+
+IPCResult HttpBackgroundChannelChild::RecvAttachStreamFilter(
+ Endpoint<extensions::PStreamFilterParent>&& aEndpoint) {
+ LOG(("HttpBackgroundChannelChild::RecvAttachStreamFilter [this=%p]\n", this));
+ MOZ_ASSERT(OnSocketThread());
+
+ if (NS_WARN_IF(!mChannelChild)) {
+ return IPC_OK();
+ }
+
+ mChannelChild->ProcessAttachStreamFilter(std::move(aEndpoint));
+ return IPC_OK();
+}
+
+IPCResult HttpBackgroundChannelChild::RecvDetachStreamFilters() {
+ LOG(("HttpBackgroundChannelChild::RecvDetachStreamFilters [this=%p]\n",
+ this));
+ MOZ_ASSERT(OnSocketThread());
+
+ if (NS_WARN_IF(!mChannelChild)) {
+ return IPC_OK();
+ }
+
+ mChannelChild->ProcessDetachStreamFilters();
+ return IPC_OK();
+}
+
+void HttpBackgroundChannelChild::ActorDestroy(ActorDestroyReason aWhy) {
+ LOG(("HttpBackgroundChannelChild::ActorDestroy[this=%p]\n", this));
+ // This function might be called during shutdown phase, so OnSocketThread()
+ // might return false even on STS thread. Use IsOnCurrentThreadInfallible()
+ // to get correct information.
+ MOZ_ASSERT(gSocketTransportService);
+ MOZ_ASSERT(gSocketTransportService->IsOnCurrentThreadInfallible());
+
+ // Ensure all IPC messages received before ActorDestroy can be
+ // handled correctly. If there is any pending IPC message, destroyed
+ // mChannelChild until those messages are flushed.
+ // If background channel is not closed by normal IPDL actor deletion,
+ // remove the HttpChannelChild reference and notify background channel
+ // destroyed immediately.
+ if (aWhy == Deletion && !mQueuedRunnables.IsEmpty()) {
+ LOG((" > pending until queued messages are flushed\n"));
+ RefPtr<HttpBackgroundChannelChild> self = this;
+ mQueuedRunnables.AppendElement(NS_NewRunnableFunction(
+ "HttpBackgroundChannelChild::ActorDestroy", [self]() {
+ MOZ_ASSERT(OnSocketThread());
+ RefPtr<HttpChannelChild> channelChild =
+ std::move(self->mChannelChild);
+
+ if (channelChild) {
+ channelChild->OnBackgroundChildDestroyed(self);
+ }
+ }));
+ return;
+ }
+
+ if (mChannelChild) {
+ RefPtr<HttpChannelChild> channelChild = std::move(mChannelChild);
+
+ channelChild->OnBackgroundChildDestroyed(this);
+ }
+}
+
+} // namespace net
+} // namespace mozilla