1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
8 #include "chrome/test/chromedriver/performance_logger.h"
10 #include "base/json/json_writer.h"
11 #include "base/strings/string_util.h"
12 #include "base/values.h"
13 #include "chrome/test/chromedriver/chrome/devtools_client.h"
14 #include "chrome/test/chromedriver/chrome/devtools_client_impl.h"
15 #include "chrome/test/chromedriver/chrome/log.h"
16 #include "chrome/test/chromedriver/chrome/status.h"
20 // DevTools event domain prefixes to intercept.
21 const char* const kDomains[] = {"Network.", "Page.", "Timeline."};
23 // Returns whether the event belongs to one of kDomains.
24 bool ShouldLogEvent(const std::string& method) {
25 for (size_t i_domain = 0; i_domain < arraysize(kDomains); ++i_domain) {
26 if (StartsWithASCII(method, kDomains[i_domain], true /* case_sensitive */))
32 bool IsEnabled(const PerfLoggingPrefs::InspectorDomainStatus& domain_status) {
33 return (domain_status ==
34 PerfLoggingPrefs::InspectorDomainStatus::kDefaultEnabled ||
36 PerfLoggingPrefs::InspectorDomainStatus::kExplicitlyEnabled);
41 PerformanceLogger::PerformanceLogger(Log* log)
44 PerformanceLogger::PerformanceLogger(Log* log, const PerfLoggingPrefs& prefs)
47 if (!prefs_.trace_categories.empty()) {
48 LOG(WARNING) << "Ignoring trace categories because tracing support not yet "
49 << "implemented: " << prefs_.trace_categories;
50 prefs_.trace_categories = "";
54 bool PerformanceLogger::subscribes_to_browser() {
58 Status PerformanceLogger::OnConnected(DevToolsClient* client) {
59 if (client->GetId() == DevToolsClientImpl::kBrowserwideDevToolsClientId) {
60 // TODO(johnmoore): Implement tracing log.
63 std::vector<std::string> enable_commands;
64 if (IsEnabled(prefs_.network))
65 enable_commands.push_back("Network.enable");
66 if (IsEnabled(prefs_.page))
67 enable_commands.push_back("Page.enable");
68 if (IsEnabled(prefs_.timeline)) {
69 // Timeline feed implicitly disabled when trace categories are specified.
70 // So even if kDefaultEnabled, don't enable unless empty |trace_categories|.
71 if (prefs_.trace_categories.empty() || prefs_.timeline ==
72 PerfLoggingPrefs::InspectorDomainStatus::kExplicitlyEnabled)
73 enable_commands.push_back("Timeline.start");
75 for (std::vector<std::string>::const_iterator it = enable_commands.begin();
76 it != enable_commands.end(); ++it) {
77 base::DictionaryValue params; // All the enable commands have empty params.
78 Status status = client->SendCommand(*it, params);
85 Status PerformanceLogger::OnEvent(
86 DevToolsClient* client,
87 const std::string& method,
88 const base::DictionaryValue& params) {
89 if (!ShouldLogEvent(method))
92 base::DictionaryValue log_message_dict;
93 log_message_dict.SetString("webview", client->GetId());
94 log_message_dict.SetString("message.method", method);
95 log_message_dict.Set("message.params", params.DeepCopy());
96 std::string log_message_json;
97 // TODO(klm): extract timestamp from params?
98 // Look at where it is for Page, Network, Timeline events.
99 base::JSONWriter::Write(&log_message_dict, &log_message_json);
101 log_->AddEntry(Log::kInfo, log_message_json);
105 // TODO(johnmoore): Use BeforeCommand to implement tracing log.
106 Status PerformanceLogger::BeforeCommand(const std::string& command_name) {