Implement stats reporting in Android client

remoting/client/server_log_entry.h

+// Copyright 2014 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 REMOTING_CLIENT_SERVER_LOG_ENTRY_H_
+#define REMOTING_CLIENT_SERVER_LOG_ENTRY_H_
+
+#include <map>
+#include <string>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/time/time.h"
+#include "remoting/protocol/connection_to_host.h"
+#include "remoting/protocol/errors.h"
+
+namespace buzz {
+class XmlElement;
+}  // namespace buzz
+
+namespace remoting {
+
+class ChromotingStats;
+
+// Temporary namespace to prevent conflict with the same-named class in
+// remoting/host when linking unittests.
+//
+// TODO(lambroslambrou): Remove this and factor out any shared code.
+namespace client {
+
+class ServerLogEntry {
+ public:
+  // The mode of a connection.
+  enum Mode {
+    IT2ME,
+    ME2ME
+  };
+
+  // Constructs a log stanza. The caller should add one or more log entry
+  // stanzas as children of this stanza, before sending the log stanza to
+  // the remoting bot.
+  static scoped_ptr<buzz::XmlElement> MakeStanza();
+
+  // Constructs a log entry for a session state change.
+  static scoped_ptr<ServerLogEntry> MakeForSessionStateChange(
+      remoting::protocol::ConnectionToHost::State state,
+      remoting::protocol::ErrorCode error);
+
+  // Constructs a log entry for reporting statistics.
+  static scoped_ptr<ServerLogEntry> MakeForStatistics(
+      remoting::ChromotingStats* statistics);
+
+  // Constructs a log entry for reporting session ID is old.
+  static scoped_ptr<ServerLogEntry> MakeForSessionIdOld(
+      const std::string& session_id);
+
+  // Constructs a log entry for reporting session ID is old.
+  static scoped_ptr<ServerLogEntry> MakeForSessionIdNew(
+      const std::string& session_id);
+
+  ~ServerLogEntry();
+
+  // Adds fields describing the client to this log entry.
+  void AddClientFields();
+
+  // Adds a field describing the mode of a connection to this log entry.
+  void AddModeField(Mode mode);
+
+  void AddEventName(const std::string& event_name);
+  void AddSessionId(const std::string& session_id);
+  void AddSessionDuration(base::TimeDelta duration);
+
+  // Converts this object to an XML stanza.
+  scoped_ptr<buzz::XmlElement> ToStanza() const;
+
+ private:
+  typedef std::map<std::string, std::string> ValuesMap;
+
+  ServerLogEntry();
+  void Set(const std::string& key, const std::string& value);
+
+  static const char* GetValueSessionState(
+      remoting::protocol::ConnectionToHost::State state);
+  static const char* GetValueError(remoting::protocol::ErrorCode error);
+  static const char* GetValueMode(Mode mode);
+
+  ValuesMap values_map_;
+};
+
+}  // namespace client
+
+}  // namespace remoting
+
+#endif  // REMOTING_CLIENT_SERVER_LOG_ENTRY_H_