Added HostConfig class. Changed SimpleHost to use it.

remoting/host/host_config.h

+// Copyright (c) 2010 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_HOST_CONFIG_H_
+#define REMOTING_HOST_HOST_CONFIG_H_
+
+#include <string>
+
+#include "base/ref_counted.h"
+
+namespace remoting {
+
+// HostConfig class implements container for all host settings.
+class HostConfig : public base::RefCountedThreadSafe<HostConfig> {
+ public:
+  HostConfig() { }
+
+  // Login used to authenticate in XMPP network.
+  const std::string& xmpp_login() const {
+    return xmpp_login_;
+  }
+  void set_xmpp_login(const std::string& xmpp_login) {
+    xmpp_login_ = xmpp_login;
+  }
+
+  // Auth token used to authenticate in XMPP network.
+  const std::string& xmpp_auth_token() const {
+    return xmpp_auth_token_;
+  }
+  void set_xmpp_auth_token(const std::string& xmpp_auth_token) {
+    xmpp_auth_token_ = xmpp_auth_token;
+  }
+
+  // Unique identifier of the host used to register the host in directory.
+  // Normally a random UUID.
+  const std::string& host_id() const {
+    return host_id_;
+  }
+  void set_host_id(const std::string& host_id) {
+    host_id_ = host_id;
+  }
+
+  // Public key used by the host for authentication.
+  // TODO(sergeyu): Do we need to use other type to store public key? E.g.
+  // DataBuffer? Revisit this when public key generation is implemented.
+  const std::string& public_key() const {
+    return public_key_;
+  }
+  void set_public_key(const std::string& public_key) {
+    public_key_ = public_key;
+  }
+
+  // TODO(sergeyu): Add a property for private key.
+
+ private:
+  std::string xmpp_login_;
+  std::string xmpp_auth_token_;
+  std::string host_id_;
+  std::string public_key_;
+
+  DISALLOW_COPY_AND_ASSIGN(HostConfig);
+};
+
+// Interface for host configuration storage provider.
+class HostConfigStorage {
+  // Load() and Save() are used to load/save settings to/from permanent
+  // storage. For example FileHostConfig stores all settings in a file.
+  // Simularly RegistryHostConfig stores settings in windows registry.
+  // Both methods return false if operation has failed, true otherwise.
+  virtual bool Load(HostConfig* config) = 0;
+  virtual bool Save(const HostConfig& config) = 0;
+
+  DISALLOW_COPY_AND_ASSIGN(HostConfigStorage);
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_HOST_HOST_CONFIG_H_