CPM Event Construction

This provides code for cpm event construction, which will be used by other cpm
classes.

BUG=130212
TEST=NONE


Review URL: https://chromiumcodereview.appspot.com/10542013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@140682 0039d316-1c4b-4281-b951-d872f2087c98

4 files changed, 353 insertions, 0 deletions

diff --git a/chrome/browser/performance_monitor/event.cc b/chrome/browser/performance_monitor/event.cc
new file mode 100644
index 0000000..84d10d6f
--- /dev/null
+++ b/chrome/browser/performance_monitor/event.cc
@@ -0,0 +1,30 @@
+// Copyright (c) 2012 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/performance_monitor/event.h"
+
+namespace performance_monitor {
+
+Event::Event(const EventType& type,
+             const base::Time& time,
+             scoped_ptr<base::DictionaryValue> data)
+    : type_(type), time_(time), data_(data.release()) {
+}
+
+Event::~Event() {
+}
+
+scoped_ptr<Event> Event::FromValue(scoped_ptr<base::DictionaryValue> data) {
+  int type = 0;
+  if (!data->GetInteger(std::string("type"), &type))
+    return scoped_ptr<Event>();
+  double time = 0.0;
+  if (!data->GetDouble(std::string("time"), &time))
+    return scoped_ptr<Event>();
+  return scoped_ptr<Event>(new Event(static_cast<EventType>(type),
+                                     base::Time::FromInternalValue((int64)time),
+                                     data.Pass()));
+}
+
+}  // namespace performance_monitor
diff --git a/chrome/browser/performance_monitor/event.h b/chrome/browser/performance_monitor/event.h
new file mode 100644
index 0000000..fc02b52
--- /dev/null
+++ b/chrome/browser/performance_monitor/event.h
@@ -0,0 +1,68 @@
+// Copyright (c) 2012 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.
+
+#ifndef CHROME_BROWSER_PERFORMANCE_MONITOR_EVENT_H_
+#define CHROME_BROWSER_PERFORMANCE_MONITOR_EVENT_H_
+
+#include "base/values.h"
+#include "base/time.h"
+#include "base/memory/scoped_ptr.h"
+
+namespace performance_monitor {
+
+// IMPORTANT: This is used as an indication of the event type within the
+// performance monitor database; do not change the order! If you add new events
+// to this list, place them above EVENT_NUMBER_OF_EVENTS.
+enum EventType {
+  EVENT_UNDEFINED,
+  EVENT_EXTENSION_INSTALL,
+  EVENT_EXTENSION_UNINSTALL,
+  EVENT_EXTENSION_UPDATE,
+  EVENT_EXTENSION_ENABLE,
+  EVENT_EXTENSION_UNLOAD,
+  EVENT_CHROME_UPDATE,
+  EVENT_RENDERER_FREEZE,
+  EVENT_RENDERER_CRASH,
+  EVENT_OOM_CRASH,
+  EVENT_UNCLEAN_SHUTDOWN,
+  EVENT_NUMBER_OF_EVENTS
+};
+
+// The wrapper class for the JSON-generated event classes for the performance
+// monitor. This class is used so we can pass around events in a single class,
+// rather than having a variety of different types (since JSON does not
+// currently support inheritance). Since the class will occasionally need to
+// be compared against other events, we construct it with type and time. Other
+// information should not be needed commonly, and is stored in a JSON-generated
+// DictionaryValue.
+class Event {
+ public:
+  Event(const EventType& type,
+        const base::Time& time,
+        scoped_ptr<base::DictionaryValue> data);
+  virtual ~Event();
+
+  // Construct an event from the given DictionaryValue; takes ownership of
+  // |data|.
+  static scoped_ptr<Event> FromValue(scoped_ptr<base::DictionaryValue> data);
+
+  // Accessors
+  EventType type() const { return type_; }
+  base::Time time() const { return time_; }
+  base::DictionaryValue* data() const { return data_.get(); }
+
+ private:
+
+  // The type of the event.
+  EventType type_;
+  // The time at which the event was recorded.
+  base::Time time_;
+  // The full JSON-generated value representing the information of the event;
+  // these data are described in chrome/browser/performance_monitor/events.json.
+  scoped_ptr<base::DictionaryValue> data_;
+};
+
+}  // namespace performance_monitor
+
+#endif  // CHROME_BROWSER_PERFORMANCE_MONITOR_EVENT_H_
diff --git a/chrome/browser/performance_monitor/performance_monitor_util.cc b/chrome/browser/performance_monitor/performance_monitor_util.cc
new file mode 100644
index 0000000..18cd15a
--- /dev/null
+++ b/chrome/browser/performance_monitor/performance_monitor_util.cc
@@ -0,0 +1,171 @@
+// Copyright (c) 2012 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/performance_monitor/performance_monitor_util.h"
+
+#include "base/json/json_writer.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/string_number_conversions.h"
+#include "chrome/browser/performance_monitor/events.h"
+
+namespace performance_monitor {
+namespace util {
+
+scoped_ptr<Event> CreateExtensionInstallEvent(
+    const base::Time& time,
+    const std::string& id,
+    const std::string& name,
+    const std::string& url,
+    const int& location,
+    const std::string& version,
+    const std::string& description) {
+  events::ExtensionInstall event;
+  event.type = EVENT_EXTENSION_INSTALL;
+  event.time = static_cast<double>(time.ToInternalValue());
+  event.extension_id = id;
+  event.extension_name = name;
+  event.extension_url = url;
+  event.extension_location = location;
+  event.extension_version = version;
+  event.extension_description = description;
+  scoped_ptr<base::DictionaryValue> value = event.ToValue();
+  return scoped_ptr<Event>(new Event(
+      EVENT_EXTENSION_INSTALL, time, value.Pass()));
+}
+
+scoped_ptr<Event> CreateExtensionUninstallEvent(
+    const base::Time& time,
+    const std::string& id,
+    const std::string& name,
+    const std::string& url,
+    const int& location,
+    const std::string& version,
+    const std::string& description) {
+  events::ExtensionUninstall event;
+  event.type = EVENT_EXTENSION_UNINSTALL;
+  event.time = static_cast<double>(time.ToInternalValue());
+  event.extension_id = id;
+  event.extension_name = name;
+  event.extension_url = url;
+  event.extension_location = location;
+  event.extension_version = version;
+  event.extension_description = description;
+  scoped_ptr<base::DictionaryValue> value = event.ToValue();
+  return scoped_ptr<Event>(new Event(
+      EVENT_EXTENSION_UNINSTALL, time, value.Pass()));
+}
+
+scoped_ptr<Event> CreateExtensionUnloadEvent(
+    const base::Time& time,
+    const std::string& id,
+    const std::string& name,
+    const std::string& url,
+    const int& location,
+    const std::string& version,
+    const std::string& description,
+    const extension_misc::UnloadedExtensionReason& reason) {
+  events::ExtensionUnload event;
+  event.type = EVENT_EXTENSION_UNLOAD;
+  event.time = static_cast<double>(time.ToInternalValue());
+  event.extension_id = id;
+  event.extension_name = name;
+  event.extension_url = url;
+  event.extension_location = location;
+  event.extension_version = version;
+  event.extension_description = description;
+  event.unload_reason = reason;
+  scoped_ptr<base::DictionaryValue> value = event.ToValue();
+  return scoped_ptr<Event>(new Event(
+      EVENT_EXTENSION_UNLOAD, time, value.Pass()));
+}
+
+scoped_ptr<Event> CreateExtensionEnableEvent(
+    const base::Time& time,
+    const std::string& id,
+    const std::string& name,
+    const std::string& url,
+    const int& location,
+    const std::string& version,
+    const std::string& description) {
+  events::ExtensionEnable event;
+  event.type = EVENT_EXTENSION_ENABLE;
+  event.time = static_cast<double>(time.ToInternalValue());
+  event.extension_id = id;
+  event.extension_name = name;
+  event.extension_url = url;
+  event.extension_location = location;
+  event.extension_version = version;
+  event.extension_description = description;
+  scoped_ptr<base::DictionaryValue> value = event.ToValue();
+  return scoped_ptr<Event>(new Event(
+      EVENT_EXTENSION_ENABLE, time, value.Pass()));
+}
+
+scoped_ptr<Event> CreateExtensionUpdateEvent(
+    const base::Time& time,
+    const std::string& id,
+    const std::string& name,
+    const std::string& url,
+    const int& location,
+    const std::string& version,
+    const std::string& description) {
+  events::ExtensionUpdate event;
+  event.type = EVENT_EXTENSION_UPDATE;
+  event.time = static_cast<double>(time.ToInternalValue());
+  event.extension_id = id;
+  event.extension_name = name;
+  event.extension_url = url;
+  event.extension_location = location;
+  event.extension_version = version;
+  event.extension_description = description;
+  scoped_ptr<base::DictionaryValue> value = event.ToValue();
+  return scoped_ptr<Event>(new Event(
+      EVENT_EXTENSION_UPDATE, time, value.Pass()));
+}
+
+scoped_ptr<Event> CreateRendererFreezeEvent(
+    const base::Time& time,
+    const std::string& url) {
+  events::RendererFreeze event;
+  event.type = EVENT_RENDERER_FREEZE;
+  event.time = static_cast<double>(time.ToInternalValue());
+  scoped_ptr<base::DictionaryValue> value = event.ToValue();
+  return scoped_ptr<Event>(new Event(
+      EVENT_RENDERER_FREEZE, time, value.Pass()));
+}
+
+scoped_ptr<Event> CreateCrashEvent(
+    const base::Time& time,
+    const EventType& type,
+    const std::string& url) {
+  events::RendererFreeze event;
+  event.type = type;
+  event.time = static_cast<double>(time.ToInternalValue());
+  scoped_ptr<base::DictionaryValue> value = event.ToValue();
+  return scoped_ptr<Event>(new Event(
+      type, time, value.Pass()));
+}
+
+scoped_ptr<Event> CreateUncleanShutdownEvent(const base::Time& time) {
+  events::UncleanShutdown event;
+  event.type = EVENT_UNCLEAN_SHUTDOWN;
+  scoped_ptr<base::DictionaryValue> value = event.ToValue();
+  return scoped_ptr<Event>(new Event(
+      EVENT_UNCLEAN_SHUTDOWN, time, value.Pass()));
+}
+
+scoped_ptr<Event> CreateChromeUpdateEvent(
+    const base::Time& time,
+    const std::string& old_version,
+    const std::string& new_version) {
+  events::ChromeUpdate event;
+  event.type = EVENT_CHROME_UPDATE;
+  event.time = static_cast<double>(time.ToInternalValue());
+  scoped_ptr<base::DictionaryValue> value = event.ToValue();
+  return scoped_ptr<Event>(new Event(
+      EVENT_CHROME_UPDATE, time, value.Pass()));
+}
+
+}  // namespace util
+}  // namespace performance_monitor
diff --git a/chrome/browser/performance_monitor/performance_monitor_util.h b/chrome/browser/performance_monitor/performance_monitor_util.h
new file mode 100644
index 0000000..a2c1d3a
--- /dev/null
+++ b/chrome/browser/performance_monitor/performance_monitor_util.h
@@ -0,0 +1,84 @@
+// Copyright (c) 2012 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.
+
+#ifndef CHROME_BROWSER_PERFORMANCE_MONITOR_UTIL_H_
+#define CHROME_BROWSER_PERFORMANCE_MONITOR_UTIL_H_
+
+#include "base/time.h"
+#include "chrome/browser/performance_monitor/event.h"
+#include "chrome/common/extensions/extension_constants.h"
+
+namespace performance_monitor {
+namespace util {
+
+// These are a collection of methods designed to create an event to store the
+// pertinent information, given all the fields. Please use these methods to
+// create any PerformanceMonitor events, as this will ensure strong-typing
+// guards that performance_monitor::Event() will not.
+scoped_ptr<Event> CreateExtensionInstallEvent(
+    const base::Time& time,
+    const std::string& id,
+    const std::string& name,
+    const std::string& url,
+    const int& location,
+    const std::string& version,
+    const std::string& description);
+
+scoped_ptr<Event> CreateExtensionUnloadEvent(
+    const base::Time& time,
+    const std::string& id,
+    const std::string& name,
+    const std::string& url,
+    const int& location,
+    const std::string& version,
+    const std::string& description,
+    const extension_misc::UnloadedExtensionReason& reason);
+
+scoped_ptr<Event> CreateExtensionUninstallEvent(
+    const base::Time& time,
+    const std::string& id,
+    const std::string& name,
+    const std::string& url,
+    const int& location,
+    const std::string& version,
+    const std::string& description);
+
+scoped_ptr<Event> CreateExtensionEnableEvent(
+    const base::Time& time,
+    const std::string& id,
+    const std::string& name,
+    const std::string& url,
+    const int& location,
+    const std::string& version,
+    const std::string& description);
+
+scoped_ptr<Event> CreateExtensionUpdateEvent(
+    const base::Time& time,
+    const std::string& id,
+    const std::string& name,
+    const std::string& url,
+    const int& location,
+    const std::string& version,
+    const std::string& description);
+
+scoped_ptr<Event> CreateRendererFreezeEvent(
+    const base::Time& time,
+    const std::string& url);
+
+scoped_ptr<Event> CreateCrashEvent(
+    const base::Time& time,
+    const EventType& type,
+    const std::string& url);
+
+scoped_ptr<Event> CreateUncleanShutdownEvent(const base::Time& time);
+
+scoped_ptr<Event> CreateChromeUpdateEvent(
+    const base::Time& time,
+    const std::string& old_version,
+    const std::string& new_version);
+
+}  // namespace util
+}  // namespace performance_monitor
+
+#endif  // CHROME_BROWSER_PERFORMANCE_MONITOR_UTIL_H__