The host sends simple log entries to the server.

remoting/host/server_log_entry.h

Index: remoting/host/server_log_entry.h
diff --git a/remoting/host/server_log_entry.h b/remoting/host/server_log_entry.h
new file mode 100644
index 0000000000000000000000000000000000000000..1b1d452fb1d6c2daabc666957653453b97e5e23d
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+++ b/remoting/host/server_log_entry.h
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+// Copyright (c) 2011 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_HOST_SERVER_LOG_ENTRY_H_
+#define REMOTING_HOST_SERVER_LOG_ENTRY_H_
+
+#include <map>
+#include <string>
+
+namespace buzz {
+class XmlElement;
+}  // namespace buzz
+
+namespace remoting {
+
+class ServerLogEntry {
+ public:
+  // Constructs a log entry for a session state change.
+  // Currently this is either connection or disconnection.
+  static ServerLogEntry* MakeSessionStateChange(bool connection);
+
+  ~ServerLogEntry();
+
+  // Adds fields describing the host to this log entry.
+  void AddHostFields();
+
+  // Converts this object to an XML stanza.
+  // The caller takes ownership of the stanza.
+  buzz::XmlElement* ToStanza() const;
+
+ private:
+  typedef std::map<std::string, std::string> ValuesMap;
+
+  ServerLogEntry();
+  void Set(const char* key, const char* value);
+
+  static const char* GetValueSessionState(bool connected);
+
+  ValuesMap values_map_;
+};
+
+}  // namespace remoting
+
+#endif