// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/browser_about_handler.h"
#include <string>
#include <vector>
#include "app/l10n_util.h"
#include "app/resource_bundle.h"
#include "base/file_version_info.h"
#include "base/histogram.h"
#include "base/i18n/number_formatting.h"
#include "base/path_service.h"
#include "base/platform_thread.h"
#include "base/stats_table.h"
#include "base/string_piece.h"
#include "base/string_util.h"
#include "base/thread.h"
#include "base/tracked_objects.h"
#include "chrome/browser/browser.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/chrome_thread.h"
#include "chrome/browser/dom_ui/chrome_url_data_manager.h"
#include "chrome/browser/google_service_auth_error.h"
#include "chrome/browser/memory_details.h"
#include "chrome/browser/net/dns_global.h"
#include "chrome/browser/profile.h"
#include "chrome/browser/profile_manager.h"
#include "chrome/browser/renderer_host/render_process_host.h"
#include "chrome/browser/renderer_host/render_view_host.h"
#include "chrome/browser/sync/profile_sync_service.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/histogram_synchronizer.h"
#include "chrome/common/jstemplate_builder.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/pref_service.h"
#include "chrome/common/render_messages.h"
#include "chrome/common/url_constants.h"
#include "chrome/renderer/about_handler.h"
#include "googleurl/src/gurl.h"
#include "grit/browser_resources.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "grit/locale_settings.h"
#include "webkit/glue/webkit_glue.h"
#ifdef CHROME_V8
#include "v8/include/v8.h"
#endif
#if defined(OS_WIN)
#include "chrome/browser/views/about_ipc_dialog.h"
#include "chrome/browser/views/about_network_dialog.h"
#elif defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/version_loader.h"
#elif defined(OS_MACOSX)
#include "chrome/browser/cocoa/about_ipc_dialog.h"
#endif
#if defined(USE_TCMALLOC)
#include "third_party/tcmalloc/tcmalloc/src/google/malloc_extension.h"
#endif
using sync_api::SyncManager;
using base::Time;
using base::TimeDelta;
#if defined(USE_TCMALLOC)
// Glue between the callback task and the method in the singleton.
void AboutTcmallocRendererCallback(base::ProcessId pid, std::string output) {
Singleton<AboutTcmallocOutputs>::get()->RendererCallback(pid, output);
}
#endif
namespace {
// The paths used for the about pages.
const char kDnsPath[] = "dns";
const char kHistogramsPath[] = "histograms";
const char kObjectsPath[] = "objects";
const char kMemoryRedirectPath[] = "memory-redirect";
const char kMemoryPath[] = "memory";
const char kTcmallocPath[] = "tcmalloc";
const char kPluginsPath[] = "plugins";
const char kStatsPath[] = "stats";
const char kVersionPath[] = "version";
const char kCreditsPath[] = "credits";
const char kTermsPath[] = "terms";
const char kSyncPath[] = "sync";
#if defined(OS_CHROMEOS)
const char kOSCreditsPath[] = "os-credits";
#endif
// Points to the singleton AboutSource object, if any.
ChromeURLDataManager::DataSource* about_source = NULL;
// When you type about:memory, it actually loads an intermediate URL that
// redirects you to the final page. This avoids the problem where typing
// "about:memory" on the new tab page or any other page where a process
// transition would occur to the about URL will cause some confusion.
//
// The problem is that during the processing of the memory page, there are two
// processes active, the original and the destination one. This can create the
// impression that we're using more resources than we actually are. This
// redirect solves the problem by eliminating the process transition during the
// time that about memory is being computed.
std::string GetAboutMemoryRedirectResponse() {
return "<meta http-equiv=\"refresh\" "
"content=\"0;chrome://about/memory\">";
}
class AboutSource : public ChromeURLDataManager::DataSource {
public:
// Creates our datasource.
AboutSource();
// Called when the network layer has requested a resource underneath
// the path we registered.
virtual void StartDataRequest(const std::string& path,
bool is_off_the_record,
int request_id);
virtual std::string GetMimeType(const std::string&) const {
return "text/html";
}
// Send the response data.
void FinishDataRequest(const std::string& html, int request_id);
private:
virtual ~AboutSource();
DISALLOW_COPY_AND_ASSIGN(AboutSource);
};
// Handling about:memory is complicated enough to encapsulate its related
// methods into a single class. The user should create it (on the heap) and call
// its |StartFetch()| method.
class AboutMemoryHandler : public MemoryDetails {
public:
AboutMemoryHandler(AboutSource* source, int request_id)
: source_(source), request_id_(request_id) {}
virtual void OnDetailsAvailable();
private:
~AboutMemoryHandler() {}
void BindProcessMetrics(DictionaryValue* data,
ProcessMemoryInformation* info);
void AppendProcess(ListValue* child_data, ProcessMemoryInformation* info);
scoped_refptr<AboutSource> source_;
int request_id_;
DISALLOW_COPY_AND_ASSIGN(AboutMemoryHandler);
};
#if defined(OS_CHROMEOS)
// ChromeOSAboutVersionHandler is responsible for loading the Chrome OS
// version.
// ChromeOSAboutVersionHandler handles deleting itself once the version has
// been obtained and AboutSource notified.
class ChromeOSAboutVersionHandler {
public:
ChromeOSAboutVersionHandler(AboutSource* source, int request_id);
// Callback from chromeos::VersionLoader giving the version.
void OnVersion(chromeos::VersionLoader::Handle handle,
std::string version);
private:
// Where the results are fed to.
scoped_refptr<AboutSource> source_;
// ID identifying the request.
int request_id_;
// Handles asynchronously loading the version.
chromeos::VersionLoader loader_;
// Used to request the version.
CancelableRequestConsumer consumer_;
DISALLOW_COPY_AND_ASSIGN(ChromeOSAboutVersionHandler);
};
#endif
// Individual about handlers ---------------------------------------------------
std::string AboutCredits() {
static const std::string credits_html =
ResourceBundle::GetSharedInstance().GetDataResource(
IDR_CREDITS_HTML);
return credits_html;
}
#if defined(OS_CHROMEOS)
std::string AboutOSCredits() {
static const std::string os_credits_html =
ResourceBundle::GetSharedInstance().GetDataResource(
IDR_OS_CREDITS_HTML);
return os_credits_html;
}
#endif
std::string AboutDns() {
std::string data;
chrome_browser_net::DnsPrefetchGetHtmlInfo(&data);
return data;
}
#if defined(USE_TCMALLOC)
std::string AboutTcmalloc(const std::string& query) {
std::string data;
AboutTcmallocOutputsType* outputs =
Singleton<AboutTcmallocOutputs>::get()->outputs();
// Display any stats for which we sent off requests the last time.
data.append("<html><head><title>About tcmalloc</title></head><body>\n");
data.append("<p>Stats as of last page load;");
data.append("reload to get stats as of this page load.</p>\n");
data.append("<table width=\"100%\">\n");
for (AboutTcmallocOutputsType::const_iterator oit = outputs->begin();
oit != outputs->end();
oit++) {
data.append("<tr><td bgcolor=\"yellow\">");
data.append(oit->first);
data.append("</td></tr>\n");
data.append("<tr><td><pre>\n");
data.append(oit->second);
data.append("</pre></td></tr>\n");
}
data.append("</table>\n");
data.append("</body></html>\n");
// Reset our collector singleton.
outputs->clear();
// Populate the collector with stats from the local browser process
// and send off requests to all the renderer processes.
char buffer[1024 * 32];
MallocExtension::instance()->GetStats(buffer, sizeof(buffer));
std::string browser("Browser");
Singleton<AboutTcmallocOutputs>::get()->SetOutput(browser, buffer);
RenderProcessHost::iterator it(RenderProcessHost::AllHostsIterator());
while (!it.IsAtEnd()) {
it.GetCurrentValue()->Send(new ViewMsg_GetRendererTcmalloc);
it.Advance();
}
return data;
}
#endif
std::string AboutHistograms(const std::string& query) {
TimeDelta wait_time = TimeDelta::FromMilliseconds(10000);
HistogramSynchronizer* current_synchronizer =
HistogramSynchronizer::CurrentSynchronizer();
DCHECK(current_synchronizer != NULL);
current_synchronizer->FetchRendererHistogramsSynchronously(wait_time);
std::string data;
StatisticsRecorder::WriteHTMLGraph(query, &data);
return data;
}
void AboutMemory(AboutSource* source, int request_id) {
// The AboutMemoryHandler cleans itself up, but |StartFetch()| will want the
// refcount to be greater than 0.
scoped_refptr<AboutMemoryHandler>
handler(new AboutMemoryHandler(source, request_id));
handler->StartFetch();
}
std::string AboutObjects(const std::string& query) {
std::string data;
tracked_objects::ThreadData::WriteHTML(query, &data);
return data;
}
std::string AboutPlugins() {
// Strings used in the JsTemplate file.
DictionaryValue localized_strings;
localized_strings.SetString(L"title",
l10n_util::GetString(IDS_ABOUT_PLUGINS_TITLE));
localized_strings.SetString(L"headingPlugs",
l10n_util::GetString(IDS_ABOUT_PLUGINS_HEADING_PLUGS));
localized_strings.SetString(L"headingNoPlugs",
l10n_util::GetString(IDS_ABOUT_PLUGINS_HEADING_NOPLUGS));
localized_strings.SetString(L"filename",
l10n_util::GetString(IDS_ABOUT_PLUGINS_FILENAME_LABEL));
localized_strings.SetString(L"mimetype",
l10n_util::GetString(IDS_ABOUT_PLUGINS_MIMETYPE_LABEL));
localized_strings.SetString(L"description",
l10n_util::GetString(IDS_ABOUT_PLUGINS_DESCRIPTION_LABEL));
localized_strings.SetString(L"suffixes",
l10n_util::GetString(IDS_ABOUT_PLUGINS_SUFFIX_LABEL));
localized_strings.SetString(L"enabled",
l10n_util::GetString(IDS_ABOUT_PLUGINS_ENABLED_LABEL));
localized_strings.SetString(L"enabled_yes",
l10n_util::GetString(IDS_ABOUT_PLUGINS_ENABLED_YES));
localized_strings.SetString(L"enabled_no",
l10n_util::GetString(IDS_ABOUT_PLUGINS_ENABLED_NO));
static const base::StringPiece plugins_html(
ResourceBundle::GetSharedInstance().GetRawDataResource(
IDR_ABOUT_PLUGINS_HTML));
return jstemplate_builder::GetTemplateHtml(
plugins_html, &localized_strings, "t" /* template root node id */);
}
std::string AboutStats() {
// We keep the DictionaryValue tree live so that we can do delta
// stats computations across runs.
static DictionaryValue root;
StatsTable* table = StatsTable::current();
if (!table)
return std::string();
// We maintain two lists - one for counters and one for timers.
// Timers actually get stored on both lists.
ListValue* counters;
if (!root.GetList(L"counters", &counters)) {
counters = new ListValue();
root.Set(L"counters", counters);
}
ListValue* timers;
if (!root.GetList(L"timers", &timers)) {
timers = new ListValue();
root.Set(L"timers", timers);
}
// NOTE: Counters start at index 1.
for (int index = 1; index <= table->GetMaxCounters(); index++) {
// Get the counter's full name
std::string full_name = table->GetRowName(index);
if (full_name.length() == 0)
break;
DCHECK(full_name[1] == ':');
char counter_type = full_name[0];
std::string name = full_name.substr(2);
// JSON doesn't allow '.' in names.
size_t pos;
while ((pos = name.find(".")) != std::string::npos)
name.replace(pos, 1, ":");
// Try to see if this name already exists.
DictionaryValue* counter = NULL;
for (size_t scan_index = 0;
scan_index < counters->GetSize(); scan_index++) {
DictionaryValue* dictionary;
if (counters->GetDictionary(scan_index, &dictionary)) {
std::wstring scan_name;
if (dictionary->GetString(L"name", &scan_name) &&
WideToASCII(scan_name) == name) {
counter = dictionary;
}
} else {
NOTREACHED(); // Should always be there
}
}
if (counter == NULL) {
counter = new DictionaryValue();
counter->SetString(L"name", ASCIIToWide(name));
counters->Append(counter);
}
switch (counter_type) {
case 'c':
{
int new_value = table->GetRowValue(index);
int prior_value = 0;
int delta = 0;
if (counter->GetInteger(L"value", &prior_value)) {
delta = new_value - prior_value;
}
counter->SetInteger(L"value", new_value);
counter->SetInteger(L"delta", delta);
}
break;
case 'm':
{
// TODO(mbelshe): implement me.
}
break;
case 't':
{
int time = table->GetRowValue(index);
counter->SetInteger(L"time", time);
// Store this on the timers list as well.
timers->Append(counter);
}
break;
default:
NOTREACHED();
}
}
// Get about_stats.html
static const base::StringPiece stats_html(
ResourceBundle::GetSharedInstance().GetRawDataResource(
IDR_ABOUT_STATS_HTML));
// Create jstemplate and return.
std::string data = jstemplate_builder::GetTemplateHtml(
stats_html, &root, "t" /* template root node id */);
// Clear the timer list since we stored the data in the timers list as well.
for (int index = static_cast<int>(timers->GetSize())-1; index >= 0;
index--) {
Value* value;
timers->Remove(index, &value);
// We don't care about the value pointer; it's still tracked
// on the counters list.
}
return data;
}
std::string AboutTerms() {
static const std::string terms_html =
ResourceBundle::GetSharedInstance().GetDataResource(
IDR_TERMS_HTML);
return terms_html;
}
std::string AboutVersion(DictionaryValue* localized_strings) {
localized_strings->SetString(L"title",
l10n_util::GetString(IDS_ABOUT_VERSION_TITLE));
scoped_ptr<FileVersionInfo> version_info(
FileVersionInfo::CreateFileVersionInfoForCurrentModule());
if (version_info == NULL) {
DLOG(ERROR) << "Unable to create FileVersionInfo object";
return std::string();
}
std::wstring webkit_version = UTF8ToWide(webkit_glue::GetWebKitVersion());
#ifdef CHROME_V8
const char* v8_vers = v8::V8::GetVersion();
std::wstring js_version = UTF8ToWide(v8_vers);
std::wstring js_engine = L"V8";
#else
std::wstring js_version = webkit_version;
std::wstring js_engine = L"JavaScriptCore";
#endif
localized_strings->SetString(L"name",
l10n_util::GetString(IDS_PRODUCT_NAME));
localized_strings->SetString(L"version", version_info->file_version());
localized_strings->SetString(L"js_engine", js_engine);
localized_strings->SetString(L"js_version", js_version);
localized_strings->SetString(L"webkit_version", webkit_version);
localized_strings->SetString(L"company",
l10n_util::GetString(IDS_ABOUT_VERSION_COMPANY_NAME));
localized_strings->SetString(L"copyright",
l10n_util::GetString(IDS_ABOUT_VERSION_COPYRIGHT));
localized_strings->SetString(L"cl", version_info->last_change());
if (version_info->is_official_build()) {
localized_strings->SetString(L"official",
l10n_util::GetString(IDS_ABOUT_VERSION_OFFICIAL));
} else {
localized_strings->SetString(L"official",
l10n_util::GetString(IDS_ABOUT_VERSION_UNOFFICIAL));
}
localized_strings->SetString(L"useragent",
UTF8ToWide(webkit_glue::GetUserAgent(GURL())));
static const std::string version_html(
ResourceBundle::GetSharedInstance().GetDataResource(
IDR_ABOUT_VERSION_HTML));
std::string output = version_html;
jstemplate_builder::AppendJsonHtml(localized_strings, &output);
jstemplate_builder::AppendI18nTemplateSourceHtml(&output);
jstemplate_builder::AppendI18nTemplateProcessHtml(&output);
jstemplate_builder::AppendJsTemplateSourceHtml(&output);
jstemplate_builder::AppendJsTemplateProcessHtml("t", &output);
return output;
}
static void AddBoolSyncDetail(ListValue* details, const std::wstring& stat_name,
bool stat_value) {
DictionaryValue* val = new DictionaryValue;
val->SetString(L"stat_name", stat_name);
val->SetBoolean(L"stat_value", stat_value);
details->Append(val);
}
static void AddIntSyncDetail(ListValue* details, const std::wstring& stat_name,
int64 stat_value) {
DictionaryValue* val = new DictionaryValue;
val->SetString(L"stat_name", stat_name);
val->SetString(L"stat_value", UTF16ToWide(base::FormatNumber(stat_value)));
details->Append(val);
}
static std::wstring MakeSyncAuthErrorText(
const GoogleServiceAuthError::State& state) {
switch (state) {
case GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS:
return L"INVALID_GAIA_CREDENTIALS";
case GoogleServiceAuthError::USER_NOT_SIGNED_UP:
return L"USER_NOT_SIGNED_UP";
case GoogleServiceAuthError::CONNECTION_FAILED:
return L"CONNECTION_FAILED";
default:
return std::wstring();
}
}
std::string AboutSync() {
FilePath user_data_dir;
if (!PathService::Get(chrome::DIR_USER_DATA, &user_data_dir))
return std::string();
ProfileManager* profile_manager = g_browser_process->profile_manager();
Profile* profile = profile_manager->GetDefaultProfile(user_data_dir);
ProfileSyncService* service = profile->GetProfileSyncService();
DictionaryValue strings;
if (!service || !service->HasSyncSetupCompleted()) {
strings.SetString(L"summary", L"SYNC DISABLED");
} else {
SyncManager::Status full_status(service->QueryDetailedSyncStatus());
strings.SetString(L"summary",
ProfileSyncService::BuildSyncStatusSummaryText(
full_status.summary));
strings.Set(L"authenticated",
new FundamentalValue(full_status.authenticated));
strings.SetString(L"auth_problem",
MakeSyncAuthErrorText(service->GetAuthError().state()));
strings.SetString(L"time_since_sync", service->GetLastSyncedTimeString());
ListValue* details = new ListValue();
strings.Set(L"details", details);
AddBoolSyncDetail(details, L"Server Up", full_status.server_up);
AddBoolSyncDetail(details, L"Server Reachable",
full_status.server_reachable);
AddBoolSyncDetail(details, L"Server Broken", full_status.server_broken);
AddBoolSyncDetail(details, L"Notifications Enabled",
full_status.notifications_enabled);
AddIntSyncDetail(details, L"Notifications Received",
full_status.notifications_received);
AddIntSyncDetail(details, L"Notifications Sent",
full_status.notifications_sent);
AddIntSyncDetail(details, L"Unsynced Count", full_status.unsynced_count);
AddIntSyncDetail(details, L"Conflicting Count",
full_status.conflicting_count);
AddBoolSyncDetail(details, L"Syncing", full_status.syncing);
AddBoolSyncDetail(details, L"Initial Sync Ended",
full_status.initial_sync_ended);
AddBoolSyncDetail(details, L"Syncer Stuck", full_status.syncer_stuck);
AddIntSyncDetail(details, L"Updates Available",
full_status.updates_available);
AddIntSyncDetail(details, L"Updates Received",
full_status.updates_received);
AddBoolSyncDetail(details, L"Disk Full", full_status.disk_full);
AddBoolSyncDetail(details, L"Invalid Store", full_status.invalid_store);
AddIntSyncDetail(details, L"Max Consecutive Errors",
full_status.max_consecutive_errors);
}
static const base::StringPiece sync_html(
ResourceBundle::GetSharedInstance().GetRawDataResource(
IDR_ABOUT_SYNC_HTML));
return jstemplate_builder::GetTemplateHtml(
sync_html, &strings , "t" /* template root node id */);
}
// AboutSource -----------------------------------------------------------------
AboutSource::AboutSource()
: DataSource(chrome::kAboutScheme, MessageLoop::current()) {
// This should be a singleton.
DCHECK(!about_source);
about_source = this;
// Add us to the global URL handler on the IO thread.
ChromeThread::PostTask(
ChromeThread::IO, FROM_HERE,
NewRunnableMethod(
Singleton<ChromeURLDataManager>::get(),
&ChromeURLDataManager::AddDataSource,
make_scoped_refptr(this)));
}
AboutSource::~AboutSource() {
about_source = NULL;
}
void AboutSource::StartDataRequest(const std::string& path_raw,
bool is_off_the_record, int request_id) {
std::string path = path_raw;
std::string info;
if (path.find("/") != std::string::npos) {
size_t pos = path.find("/");
info = path.substr(pos + 1, path.length() - (pos + 1));
path = path.substr(0, pos);
}
path = StringToLowerASCII(path);
std::string response;
if (path == kDnsPath) {
response = AboutDns();
} else if (path == kHistogramsPath) {
response = AboutHistograms(info);
} else if (path == kMemoryPath) {
AboutMemory(this, request_id);
return;
} else if (path == kMemoryRedirectPath) {
response = GetAboutMemoryRedirectResponse();
} else if (path == kObjectsPath) {
response = AboutObjects(info);
} else if (path == kPluginsPath) {
response = AboutPlugins();
} else if (path == kStatsPath) {
response = AboutStats();
#if defined(USE_TCMALLOC)
} else if (path == kTcmallocPath) {
response = AboutTcmalloc(info);
#endif
} else if (path == kVersionPath || path.empty()) {
#if defined(OS_CHROMEOS)
new ChromeOSAboutVersionHandler(this, request_id);
return;
#else
DictionaryValue value;
response = AboutVersion(&value);
#endif
} else if (path == kCreditsPath) {
response = AboutCredits();
#if defined(OS_CHROMEOS)
} else if (path == kOSCreditsPath) {
response = AboutOSCredits();
#endif
} else if (path == kTermsPath) {
response = AboutTerms();
} else if (path == kSyncPath) {
response = AboutSync();
}
FinishDataRequest(response, request_id);
}
void AboutSource::FinishDataRequest(const std::string& response,
int request_id) {
scoped_refptr<RefCountedBytes> html_bytes(new RefCountedBytes);
html_bytes->data.resize(response.size());
std::copy(response.begin(), response.end(), html_bytes->data.begin());
SendResponse(request_id, html_bytes);
}
// AboutMemoryHandler ----------------------------------------------------------
// Helper for AboutMemory to bind results from a ProcessMetrics object
// to a DictionaryValue. Fills ws_usage and comm_usage so that the objects
// can be used in caller's scope (e.g for appending to a net total).
void AboutMemoryHandler::BindProcessMetrics(DictionaryValue* data,
ProcessMemoryInformation* info) {
DCHECK(data && info);
// Bind metrics to dictionary.
data->SetInteger(L"ws_priv", static_cast<int>(info->working_set.priv));
data->SetInteger(L"ws_shareable",
static_cast<int>(info->working_set.shareable));
data->SetInteger(L"ws_shared", static_cast<int>(info->working_set.shared));
data->SetInteger(L"comm_priv", static_cast<int>(info->committed.priv));
data->SetInteger(L"comm_map", static_cast<int>(info->committed.mapped));
data->SetInteger(L"comm_image", static_cast<int>(info->committed.image));
data->SetInteger(L"pid", info->pid);
data->SetString(L"version", info->version);
data->SetInteger(L"processes", info->num_processes);
}
// Helper for AboutMemory to append memory usage information for all
// sub-processes (i.e. renderers, plugins) used by Chrome.
void AboutMemoryHandler::AppendProcess(ListValue* child_data,
ProcessMemoryInformation* info) {
DCHECK(child_data && info);
// Append a new DictionaryValue for this renderer to our list.
DictionaryValue* child = new DictionaryValue();
child_data->Append(child);
BindProcessMetrics(child, info);
std::wstring child_label(ChildProcessInfo::GetTypeNameInEnglish(info->type));
if (info->is_diagnostics)
child_label.append(L" (diagnostics)");
child->SetString(L"child_name", child_label);
ListValue* titles = new ListValue();
child->Set(L"titles", titles);
for (size_t i = 0; i < info->titles.size(); ++i)
titles->Append(new StringValue(info->titles[i]));
}
void AboutMemoryHandler::OnDetailsAvailable() {
// the root of the JSON hierarchy for about:memory jstemplate
DictionaryValue root;
ListValue* browsers = new ListValue();
root.Set(L"browsers", browsers);
const std::vector<ProcessData>& browser_processes = processes();
// Aggregate per-process data into browser summary data.
std::wstring log_string;
for (size_t index = 0; index < browser_processes.size(); index++) {
if (browser_processes[index].processes.size() == 0)
continue;
// Sum the information for the processes within this browser.
ProcessMemoryInformation aggregate;
ProcessMemoryInformationList::const_iterator iterator;
iterator = browser_processes[index].processes.begin();
aggregate.pid = iterator->pid;
aggregate.version = iterator->version;
while (iterator != browser_processes[index].processes.end()) {
if (!iterator->is_diagnostics ||
browser_processes[index].processes.size() == 1) {
aggregate.working_set.priv += iterator->working_set.priv;
aggregate.working_set.shared += iterator->working_set.shared;
aggregate.working_set.shareable += iterator->working_set.shareable;
aggregate.committed.priv += iterator->committed.priv;
aggregate.committed.mapped += iterator->committed.mapped;
aggregate.committed.image += iterator->committed.image;
aggregate.num_processes++;
}
++iterator;
}
DictionaryValue* browser_data = new DictionaryValue();
browsers->Append(browser_data);
browser_data->SetString(L"name", browser_processes[index].name);
BindProcessMetrics(browser_data, &aggregate);
// We log memory info as we record it.
if (log_string.length() > 0)
log_string.append(L", ");
log_string.append(browser_processes[index].name);
log_string.append(L", ");
log_string.append(Int64ToWString(aggregate.working_set.priv));
log_string.append(L", ");
log_string.append(Int64ToWString(aggregate.working_set.shared));
log_string.append(L", ");
log_string.append(Int64ToWString(aggregate.working_set.shareable));
}
if (log_string.length() > 0)
LOG(INFO) << "memory: " << log_string;
// Set the browser & renderer detailed process data.
DictionaryValue* browser_data = new DictionaryValue();
root.Set(L"browzr_data", browser_data);
ListValue* child_data = new ListValue();
root.Set(L"child_data", child_data);
ProcessData process = browser_processes[0]; // Chrome is the first browser.
for (size_t index = 0; index < process.processes.size(); index++) {
if (process.processes[index].type == ChildProcessInfo::BROWSER_PROCESS)
BindProcessMetrics(browser_data, &process.processes[index]);
else
AppendProcess(child_data, &process.processes[index]);
}
// Get about_memory.html
static const base::StringPiece memory_html(
ResourceBundle::GetSharedInstance().GetRawDataResource(
IDR_ABOUT_MEMORY_HTML));
// Create jstemplate and return.
std::string template_html = jstemplate_builder::GetTemplateHtml(
memory_html, &root, "t" /* template root node id */);
source_->FinishDataRequest(template_html, request_id_);
}
#if defined(OS_CHROMEOS)
// ChromeOSAboutVersionHandler -----------------------------------------------
ChromeOSAboutVersionHandler::ChromeOSAboutVersionHandler(AboutSource* source,
int request_id)
: source_(source),
request_id_(request_id) {
loader_.GetVersion(&consumer_,
NewCallback(this, &ChromeOSAboutVersionHandler::OnVersion));
}
void ChromeOSAboutVersionHandler::OnVersion(
chromeos::VersionLoader::Handle handle,
std::string version) {
DictionaryValue localized_strings;
localized_strings.SetString(L"os_name",
l10n_util::GetString(IDS_PRODUCT_OS_NAME));
localized_strings.SetString(L"os_version", UTF8ToWide(version));
localized_strings.SetBoolean(L"is_chrome_os", true);
source_->FinishDataRequest(AboutVersion(&localized_strings), request_id_);
// CancelableRequestProvider isn't happy when it's deleted and servicing a
// task, so we delay the deletion.
MessageLoop::current()->DeleteSoon(FROM_HERE, this);
}
#endif
// Returns true if |url|'s spec starts with |about_specifier|, and is
// terminated by the start of a path.
bool StartsWithAboutSpecifier(const GURL& url, const char* about_specifier) {
return StartsWithASCII(url.spec(), about_specifier, true) &&
(url.spec().size() == strlen(about_specifier) ||
url.spec()[strlen(about_specifier)] == '/');
}
// Transforms a URL of the form "about:foo/XXX" to <url_prefix> + "XXX".
GURL RemapAboutURL(const std::string& url_prefix, const GURL& url) {
std::string path;
size_t split = url.spec().find('/');
if (split != std::string::npos)
path = url.spec().substr(split + 1);
return GURL(url_prefix + path);
}
} // namespace
// -----------------------------------------------------------------------------
bool WillHandleBrowserAboutURL(GURL* url, Profile* profile) {
// We only handle about: schemes.
if (!url->SchemeIs(chrome::kAboutScheme))
return false;
// about:blank is special. Frames are allowed to access about:blank,
// but they are not allowed to access other types of about pages.
// Just ignore the about:blank and let the TAB_CONTENTS_WEB handle it.
if (LowerCaseEqualsASCII(url->spec(), chrome::kAboutBlankURL))
return false;
// Rewrite about:cache/* URLs to chrome://net-internals/view-cache/*
if (StartsWithAboutSpecifier(*url, chrome::kAboutCacheURL)) {
*url = RemapAboutURL(chrome::kNetworkViewCacheURL + std::string("/"),
*url);
return true;
}
// Rewrite about:net-internals/* URLs to chrome://net-internals/*
if (StartsWithAboutSpecifier(*url, chrome::kAboutNetInternalsURL)) {
*url = RemapAboutURL(chrome::kNetworkViewInternalsURL, *url);
return true;
}
// Handle URL to crash the browser process.
if (LowerCaseEqualsASCII(url->spec(), chrome::kAboutBrowserCrash)) {
// Induce an intentional crash in the browser process.
int* bad_pointer = NULL;
*bad_pointer = 42;
return true;
}
// There are a few about: URLs that we hand over to the renderer. If the
// renderer wants them, don't do any rewriting.
if (AboutHandler::WillHandle(*url))
return false;
// Anything else requires our special handler, make sure its initialized.
// We only need to register the AboutSource once and it is kept globally.
// There is currently no way to remove a data source.
static bool initialized = false;
if (!initialized) {
about_source = new AboutSource();
initialized = true;
}
// Special case about:memory to go through a redirect before ending up on
// the final page. See GetAboutMemoryRedirectResponse above for why.
if (LowerCaseEqualsASCII(url->path(), kMemoryPath)) {
*url = GURL("chrome://about/memory-redirect");
return true;
}
// Rewrite the about URL to use chrome:. WebKit treats all about URLS the
// same (blank page), so if we want to display content, we need another
// scheme.
std::string about_url = "chrome://about/";
about_url.append(url->path());
*url = GURL(about_url);
return true;
}
// This function gets called with the fixed-up chrome: URLs, so we have to
// compare against those instead of "about:blah".
bool HandleNonNavigationAboutURL(const GURL& url) {
// About:network and IPC and currently buggy, so we disable it for official
// builds.
#if !defined(OFFICIAL_BUILD)
#if defined(OS_WIN)
if (LowerCaseEqualsASCII(url.spec(), chrome::kChromeUINetworkURL)) {
// Run the dialog. This will re-use the existing one if it's already up.
AboutNetworkDialog::RunDialog();
return true;
}
#endif
#if !defined(OS_LINUX) && defined(IPC_MESSAGE_LOG_ENABLED)
if (LowerCaseEqualsASCII(url.spec(), chrome::kChromeUIIPCURL)) {
// Run the dialog. This will re-use the existing one if it's already up.
AboutIPCDialog::RunDialog();
return true;
}
#endif
#endif // OFFICIAL_BUILD
return false;
}