1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
/* -*- 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 "RDDChild.h"
#include "TelemetryProbesReporter.h"
#include "VideoUtils.h"
#include "mozilla/FOGIPC.h"
#include "mozilla/RDDProcessManager.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/MemoryReportRequest.h"
#include "mozilla/gfx/GPUProcessManager.h"
#include "mozilla/gfx/gfxVars.h"
#include "mozilla/ipc/CrashReporterHost.h"
#include "mozilla/ipc/Endpoint.h"
#if defined(XP_LINUX) && defined(MOZ_SANDBOX)
# include "mozilla/SandboxBroker.h"
# include "mozilla/SandboxBrokerPolicyFactory.h"
#endif
#include "mozilla/Telemetry.h"
#include "mozilla/TelemetryIPC.h"
#if defined(XP_WIN)
# include "mozilla/WinDllServices.h"
#endif
#include "ProfilerParent.h"
#include "RDDProcessHost.h"
namespace mozilla {
using namespace layers;
using namespace gfx;
RDDChild::RDDChild(RDDProcessHost* aHost) : mHost(aHost) {}
RDDChild::~RDDChild() = default;
bool RDDChild::Init() {
Maybe<FileDescriptor> brokerFd;
#if defined(XP_LINUX) && defined(MOZ_SANDBOX)
auto policy = SandboxBrokerPolicyFactory::GetRDDPolicy(OtherPid());
if (policy != nullptr) {
brokerFd = Some(FileDescriptor());
mSandboxBroker =
SandboxBroker::Create(std::move(policy), OtherPid(), brokerFd.ref());
// This is unlikely to fail and probably indicates OS resource
// exhaustion, but we can at least try to recover.
if (NS_WARN_IF(mSandboxBroker == nullptr)) {
return false;
}
MOZ_ASSERT(brokerFd.ref().IsValid());
}
#endif // XP_LINUX && MOZ_SANDBOX
nsTArray<GfxVarUpdate> updates = gfxVars::FetchNonDefaultVars();
bool isReadyForBackgroundProcessing = false;
#if defined(XP_WIN)
RefPtr<DllServices> dllSvc(DllServices::Get());
isReadyForBackgroundProcessing = dllSvc->IsReadyForBackgroundProcessing();
#endif
SendInit(updates, brokerFd, Telemetry::CanRecordReleaseData(),
isReadyForBackgroundProcessing);
Unused << SendInitProfiler(ProfilerParent::CreateForProcess(OtherPid()));
gfxVars::AddReceiver(this);
auto* gpm = gfx::GPUProcessManager::Get();
if (gpm) {
gpm->AddListener(this);
}
return true;
}
bool RDDChild::SendRequestMemoryReport(const uint32_t& aGeneration,
const bool& aAnonymize,
const bool& aMinimizeMemoryUsage,
const Maybe<FileDescriptor>& aDMDFile) {
mMemoryReportRequest = MakeUnique<MemoryReportRequestHost>(aGeneration);
PRDDChild::SendRequestMemoryReport(
aGeneration, aAnonymize, aMinimizeMemoryUsage, aDMDFile,
[&](const uint32_t& aGeneration2) {
if (RDDProcessManager* rddpm = RDDProcessManager::Get()) {
if (RDDChild* child = rddpm->GetRDDChild()) {
if (child->mMemoryReportRequest) {
child->mMemoryReportRequest->Finish(aGeneration2);
child->mMemoryReportRequest = nullptr;
}
}
}
},
[&](mozilla::ipc::ResponseRejectReason) {
if (RDDProcessManager* rddpm = RDDProcessManager::Get()) {
if (RDDChild* child = rddpm->GetRDDChild()) {
child->mMemoryReportRequest = nullptr;
}
}
});
return true;
}
void RDDChild::OnCompositorUnexpectedShutdown() {
auto* rddm = RDDProcessManager::Get();
if (rddm) {
rddm->CreateVideoBridge();
}
}
void RDDChild::OnVarChanged(const GfxVarUpdate& aVar) { SendUpdateVar(aVar); }
mozilla::ipc::IPCResult RDDChild::RecvAddMemoryReport(
const MemoryReport& aReport) {
if (mMemoryReportRequest) {
mMemoryReportRequest->RecvReport(aReport);
}
return IPC_OK();
}
#if defined(XP_WIN)
mozilla::ipc::IPCResult RDDChild::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 RDDChild::RecvUpdateMediaCodecsSupported(
const media::MediaCodecsSupported& aSupported) {
#if defined(XP_MACOSX) || defined(XP_LINUX)
// We report this on GPUChild on Windows and Android
if (ContainHardwareCodecsSupported(aSupported)) {
mozilla::TelemetryProbesReporter::ReportDeviceMediaCodecSupported(
aSupported);
}
#endif
dom::ContentParent::BroadcastMediaCodecsSupportedUpdate(
RemoteDecodeIn::RddProcess, aSupported);
return IPC_OK();
}
mozilla::ipc::IPCResult RDDChild::RecvAccumulateChildHistograms(
nsTArray<HistogramAccumulation>&& aAccumulations) {
TelemetryIPC::AccumulateChildHistograms(Telemetry::ProcessID::Rdd,
aAccumulations);
return IPC_OK();
}
mozilla::ipc::IPCResult RDDChild::RecvAccumulateChildKeyedHistograms(
nsTArray<KeyedHistogramAccumulation>&& aAccumulations) {
TelemetryIPC::AccumulateChildKeyedHistograms(Telemetry::ProcessID::Rdd,
aAccumulations);
return IPC_OK();
}
mozilla::ipc::IPCResult RDDChild::RecvUpdateChildScalars(
nsTArray<ScalarAction>&& aScalarActions) {
TelemetryIPC::UpdateChildScalars(Telemetry::ProcessID::Rdd, aScalarActions);
return IPC_OK();
}
mozilla::ipc::IPCResult RDDChild::RecvUpdateChildKeyedScalars(
nsTArray<KeyedScalarAction>&& aScalarActions) {
TelemetryIPC::UpdateChildKeyedScalars(Telemetry::ProcessID::Rdd,
aScalarActions);
return IPC_OK();
}
mozilla::ipc::IPCResult RDDChild::RecvRecordChildEvents(
nsTArray<mozilla::Telemetry::ChildEventData>&& aEvents) {
TelemetryIPC::RecordChildEvents(Telemetry::ProcessID::Rdd, aEvents);
return IPC_OK();
}
mozilla::ipc::IPCResult RDDChild::RecvRecordDiscardedData(
const mozilla::Telemetry::DiscardedData& aDiscardedData) {
TelemetryIPC::RecordDiscardedData(Telemetry::ProcessID::Rdd, aDiscardedData);
return IPC_OK();
}
mozilla::ipc::IPCResult RDDChild::RecvFOGData(ByteBuf&& aBuf) {
glean::FOGData(std::move(aBuf));
return IPC_OK();
}
void RDDChild::ActorDestroy(ActorDestroyReason aWhy) {
if (aWhy == AbnormalShutdown) {
GenerateCrashReport(OtherPid());
}
auto* gpm = gfx::GPUProcessManager::Get();
if (gpm) {
// Note: the manager could have shutdown already.
gpm->RemoveListener(this);
}
gfxVars::RemoveReceiver(this);
mHost->OnChannelClosed();
}
class DeferredDeleteRDDChild : public Runnable {
public:
explicit DeferredDeleteRDDChild(RefPtr<RDDChild>&& aChild)
: Runnable("gfx::DeferredDeleteRDDChild"), mChild(std::move(aChild)) {}
NS_IMETHODIMP Run() override { return NS_OK; }
private:
RefPtr<RDDChild> mChild;
};
/* static */
void RDDChild::Destroy(RefPtr<RDDChild>&& aChild) {
NS_DispatchToMainThread(new DeferredDeleteRDDChild(std::move(aChild)));
}
} // namespace mozilla
|
