components/proximity_auth/wire_message.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_PROXIMITY_AUTH_WIRE_MESSAGE_H
   6 #define COMPONENTS_PROXIMITY_AUTH_WIRE_MESSAGE_H
   7
   8 #include <string>
   9
  10 #include "base/macros.h"
  11 #include "base/memory/scoped_ptr.h"
  12
  13 namespace proximity_auth {
  14
  15 class WireMessage {
  16  public:
  17   virtual ~WireMessage();
  18
  19   // Returns the deserialized message from |serialized_message|, or NULL if the
  20   // message is malformed. Sets |is_incomplete_message| to true if the message
  21   // does not have enough data to parse the header, or if the message length
  22   // encoded in the message header exceeds the size of the |serialized_message|.
  23   static scoped_ptr<WireMessage> Deserialize(
  24       const std::string& serialized_message,
  25       bool* is_incomplete_message);
  26
  27   const std::string& permit_id() const { return permit_id_; }
  28   const std::string& payload() const { return payload_; }
  29
  30  protected:
  31   // Visible for tests.
  32   WireMessage(const std::string& permit_id, const std::string& payload);
  33
  34  private:
  35   // Identifier of the permit being used.
  36   // TODO(isherman): Describe in a bit more detail.
  37   const std::string permit_id_;
  38
  39   // The message payload.
  40   const std::string payload_;
  41
  42   DISALLOW_COPY_AND_ASSIGN(WireMessage);
  43 };
  44
  45 }  // namespace proximity_auth
  46
  47 #endif  // COMPONENTS_PROXIMITY_AUTH_WIRE_MESSAGE_H