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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 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/. */
#include "mozilla/ipc/UtilityProcessParent.h"
#include "mozilla/GeckoTrace.h"
#include "mozilla/ipc/UtilityProcessManager.h"
#if defined(XP_WIN)
# include <dwrite.h>
# include <process.h>
# include "mozilla/WinDllServices.h"
#endif
#include "mozilla/ipc/ProcessChild.h"
#include "mozilla/FOGIPC.h"
#include "mozilla/Telemetry.h"
#include "mozilla/TelemetryIPC.h"
#include "nsHashPropertyBag.h"
#include "mozilla/Services.h"
#include "nsIObserverService.h"
namespace mozilla::ipc {
UtilityProcessParent::UtilityProcessParent(UtilityProcessHost* aHost)
: mHost(aHost) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mHost);
}
UtilityProcessParent::~UtilityProcessParent() = default;
bool UtilityProcessParent::SendRequestMemoryReport(
const uint32_t& aGeneration, const bool& aAnonymize,
const bool& aMinimizeMemoryUsage, const Maybe<FileDescriptor>& aDMDFile) {
mMemoryReportRequest = MakeUnique<MemoryReportRequestHost>(aGeneration);
PUtilityProcessParent::SendRequestMemoryReport(
aGeneration, aAnonymize, aMinimizeMemoryUsage, aDMDFile,
[self = RefPtr{this}](const uint32_t& aGeneration2) {
if (self->mMemoryReportRequest) {
self->mMemoryReportRequest->Finish(aGeneration2);
self->mMemoryReportRequest = nullptr;
}
},
[self = RefPtr{this}](mozilla::ipc::ResponseRejectReason) {
self->mMemoryReportRequest = nullptr;
});
return true;
}
mozilla::ipc::IPCResult UtilityProcessParent::RecvAddMemoryReport(
const MemoryReport& aReport) {
if (mMemoryReportRequest) {
mMemoryReportRequest->RecvReport(aReport);
}
return IPC_OK();
}
mozilla::ipc::IPCResult UtilityProcessParent::RecvFOGData(ByteBuf&& aBuf) {
glean::FOGData(std::move(aBuf));
return IPC_OK();
}
mozilla::ipc::IPCResult UtilityProcessParent::RecvGeckoTraceExport(
ByteBuf&& aBuf) {
recv_gecko_trace_export(aBuf.mData, aBuf.mLen);
return IPC_OK();
}
#if defined(XP_WIN)
mozilla::ipc::IPCResult UtilityProcessParent::RecvGetModulesTrust(
ModulePaths&& aModPaths, bool aRunAtNormalPriority,
GetModulesTrustResolver&& aResolver) {
RefPtr<DllServices> dllSvc(DllServices::Get());
dllSvc->GetModulesTrust(std::move(aModPaths), aRunAtNormalPriority)
->Then(
GetMainThreadSerialEventTarget(), __func__,
[aResolver](ModulesMapResult&& aResult) {
aResolver(Some(ModulesMapResult(std::move(aResult))));
},
[aResolver](nsresult aRv) { aResolver(Nothing()); });
return IPC_OK();
}
#endif // defined(XP_WIN)
mozilla::ipc::IPCResult UtilityProcessParent::RecvAccumulateChildHistograms(
nsTArray<HistogramAccumulation>&& aAccumulations) {
TelemetryIPC::AccumulateChildHistograms(Telemetry::ProcessID::Utility,
aAccumulations);
return IPC_OK();
}
mozilla::ipc::IPCResult
UtilityProcessParent::RecvAccumulateChildKeyedHistograms(
nsTArray<KeyedHistogramAccumulation>&& aAccumulations) {
TelemetryIPC::AccumulateChildKeyedHistograms(Telemetry::ProcessID::Utility,
aAccumulations);
return IPC_OK();
}
mozilla::ipc::IPCResult UtilityProcessParent::RecvUpdateChildScalars(
nsTArray<ScalarAction>&& aScalarActions) {
TelemetryIPC::UpdateChildScalars(Telemetry::ProcessID::Utility,
aScalarActions);
return IPC_OK();
}
mozilla::ipc::IPCResult UtilityProcessParent::RecvUpdateChildKeyedScalars(
nsTArray<KeyedScalarAction>&& aScalarActions) {
TelemetryIPC::UpdateChildKeyedScalars(Telemetry::ProcessID::Utility,
aScalarActions);
return IPC_OK();
}
mozilla::ipc::IPCResult UtilityProcessParent::RecvRecordChildEvents(
nsTArray<mozilla::Telemetry::ChildEventData>&& aEvents) {
TelemetryIPC::RecordChildEvents(Telemetry::ProcessID::Utility, aEvents);
return IPC_OK();
}
mozilla::ipc::IPCResult UtilityProcessParent::RecvRecordDiscardedData(
const mozilla::Telemetry::DiscardedData& aDiscardedData) {
TelemetryIPC::RecordDiscardedData(Telemetry::ProcessID::Utility,
aDiscardedData);
return IPC_OK();
}
mozilla::ipc::IPCResult UtilityProcessParent::RecvInitCompleted() {
MOZ_ASSERT(mHost);
mHost->ResolvePromise();
return IPC_OK();
}
void UtilityProcessParent::ActorDestroy(ActorDestroyReason aWhy) {
RefPtr<nsHashPropertyBag> props = new nsHashPropertyBag();
if (aWhy == AbnormalShutdown) {
nsAutoString dumpID;
if (mCrashReporter) {
#if defined(MOZ_SANDBOX)
RefPtr<mozilla::ipc::UtilityProcessManager> upm =
mozilla::ipc::UtilityProcessManager::GetSingleton();
if (upm) {
Span<const UtilityActorName> actors = upm->GetActors(this);
nsAutoCString actorsName;
if (!actors.IsEmpty()) {
actorsName += GetUtilityActorName(actors.First<1>()[0]);
for (const auto& actor : actors.From(1)) {
actorsName += ", "_ns + GetUtilityActorName(actor);
}
}
mCrashReporter->AddAnnotationNSCString(
CrashReporter::Annotation::UtilityActorsName, actorsName);
}
#endif
}
GenerateCrashReport(&dumpID);
// It's okay for dumpID to be empty if there was no minidump generated
// tests like ipc/glue/test/browser/browser_utility_crashReporter.js are
// there to verify this
if (!dumpID.IsEmpty()) {
props->SetPropertyAsAString(u"dumpID"_ns, dumpID);
}
MaybeTerminateProcess();
}
nsAutoString pid;
pid.AppendInt(static_cast<uint64_t>(OtherPid()));
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->NotifyObservers((nsIPropertyBag2*)props, "ipc:utility-shutdown",
pid.get());
} else {
NS_WARNING("Could not get a nsIObserverService, ipc:utility-shutdown skip");
}
mHost->OnChannelClosed(aWhy);
}
// To ensure that IPDL is finished before UtilityParent gets deleted.
class DeferredDeleteUtilityProcessParent : public Runnable {
public:
explicit DeferredDeleteUtilityProcessParent(
RefPtr<UtilityProcessParent> aParent)
: Runnable("ipc::glue::DeferredDeleteUtilityProcessParent"),
mParent(std::move(aParent)) {}
NS_IMETHODIMP Run() override { return NS_OK; }
private:
RefPtr<UtilityProcessParent> mParent;
};
/* static */
void UtilityProcessParent::Destroy(RefPtr<UtilityProcessParent> aParent) {
NS_DispatchToMainThread(
new DeferredDeleteUtilityProcessParent(std::move(aParent)));
}
} // namespace mozilla::ipc
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