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
|
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/dbus/arc_tracing_service_provider.h"
#include "base/containers/span.h"
#include "base/files/file_path.h"
#include "base/functional/bind.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/thread_pool.h"
#include "chrome/browser/ash/arc/tracing/arc_tracing_graphics_model.h"
#include "chrome/browser/ash/arc/tracing/overview_tracing_handler.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
#include "ui/aura/window.h"
namespace ash {
namespace {
constexpr int kMaxStatusMessagesCount = 20;
constexpr char kTraceStartedMsg[] = "Trace started";
} // namespace
ArcTracingServiceProvider::ArcTracingServiceProvider() = default;
ArcTracingServiceProvider::~ArcTracingServiceProvider() = default;
void ArcTracingServiceProvider::Start(
scoped_refptr<dbus::ExportedObject> exported_object) {
exported_object->ExportMethod(
arc::tracing::kArcTracingInterfaceName,
arc::tracing::kArcTracingStartMethod,
base::BindRepeating(&ArcTracingServiceProvider::StartTrace,
weak_ptr_factory_.GetWeakPtr()),
base::BindOnce(&ArcTracingServiceProvider::OnExported,
weak_ptr_factory_.GetWeakPtr()));
exported_object->ExportMethod(
arc::tracing::kArcTracingInterfaceName,
arc::tracing::kArcTracingGetStatusMethod,
base::BindRepeating(&ArcTracingServiceProvider::GetStatus,
weak_ptr_factory_.GetWeakPtr()),
base::BindOnce(&ArcTracingServiceProvider::OnExported,
weak_ptr_factory_.GetWeakPtr()));
}
void ArcTracingServiceProvider::AddStatusMessage(std::string_view status) {
msgs_.emplace_back(status);
if (msgs_.size() > kMaxStatusMessagesCount) {
msgs_.pop_front();
}
}
void ArcTracingServiceProvider::OnExported(const std::string& interface_name,
const std::string& method_name,
bool success) {
LOG_IF(ERROR, !success) << "Failed to export " << interface_name << "."
<< method_name;
}
void ArcTracingServiceProvider::OnTraceEnd(
std::unique_ptr<arc::OverviewTracingResult> result) {
if (result->path.empty()) {
AddStatusMessage(result->status);
} else if (auto* information =
result->model.GetDict().FindDict(arc::kKeyInformation);
information) {
auto pfps = information->FindDouble(arc::kKeyPerceivedFps);
auto duration = information->FindDouble(arc::kKeyDuration);
AddStatusMessage(base::StringPrintf(
"%s: %s - perceived FPS=%.2f, duration=%.2fs", result->status.c_str(),
result->path.value().c_str(), pfps.value_or(0),
duration.value_or(0) / 1'000'000.0));
}
// Do this in a separate task because the handler may still have code to run
// after we return.
base::SingleThreadTaskRunner::GetCurrentDefault()->DeleteSoon(
FROM_HERE, std::move(handler_));
}
std::unique_ptr<arc::OverviewTracingHandler>
ArcTracingServiceProvider::NewHandler() {
return std::make_unique<arc::OverviewTracingHandler>(
arc::OverviewTracingHandler::ArcWindowFocusChangeCb());
}
void ArcTracingServiceProvider::StartTrace(
dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender) {
if (handler_) {
std::move(response_sender)
.Run(dbus::ErrorResponse::FromMethodCall(method_call, DBUS_ERROR_FAILED,
"Trace already in progress"));
return;
}
dbus::MessageReader reader(method_call);
double max_trace_seconds;
if (!reader.PopDouble(&max_trace_seconds)) {
std::move(response_sender)
.Run(dbus::ErrorResponse::FromMethodCall(
method_call, DBUS_ERROR_INVALID_ARGS,
"Expect max trace time as type double in seconds"));
return;
}
auto handler = NewHandler();
auto max_trace_time = base::Seconds(max_trace_seconds);
if (max_trace_time < base::Seconds(1)) {
std::move(response_sender)
.Run(dbus::ErrorResponse::FromMethodCall(
method_call, DBUS_ERROR_INVALID_ARGS,
"Max trace seconds out of range; must be >= 1"));
return;
}
if (!handler->arc_window_is_active()) {
std::move(response_sender)
.Run(dbus::ErrorResponse::FromMethodCall(method_call, DBUS_ERROR_FAILED,
"ARC window isn't active"));
return;
}
auto extra_windows = handler->NonTraceTargetWindows();
if (!extra_windows.empty()) {
std::vector<std::string> extra_win_msg = {
"Extra windows are open. Close them and try the trace again: "};
std::string_view delim = "";
for (auto window : extra_windows) {
extra_win_msg.emplace_back(delim);
extra_win_msg.emplace_back("|");
extra_win_msg.emplace_back(base::UTF16ToUTF8(window->GetTitle()));
extra_win_msg.emplace_back("|");
delim = ", ";
}
std::move(response_sender)
.Run(dbus::ErrorResponse::FromMethodCall(method_call, DBUS_ERROR_FAILED,
base::StrCat(extra_win_msg)));
return;
}
handler_ = std::move(handler);
handler_->set_graphics_model_ready_cb(base::BindRepeating(
&ArcTracingServiceProvider::OnTraceEnd, weak_ptr_factory_.GetWeakPtr()));
handler_->set_start_build_model_cb(
base::BindRepeating(&ArcTracingServiceProvider::AddStatusMessage,
weak_ptr_factory_.GetWeakPtr(), "Building model..."));
handler_->StartTracing(trace_outdir_, max_trace_time);
auto response = dbus::Response::FromMethodCall(method_call);
dbus::MessageWriter writer(response.get());
writer.AppendString(kTraceStartedMsg);
AddStatusMessage(kTraceStartedMsg);
std::move(response_sender).Run(std::move(response));
}
void ArcTracingServiceProvider::GetStatus(
dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender) {
auto response = dbus::Response::FromMethodCall(method_call);
dbus::MessageWriter writer(response.get());
for (const auto& msg : msgs_) {
writer.AppendString(msg);
}
std::move(response_sender).Run(std::move(response));
}
} // namespace ash
|
