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/**
* Alert Message Header File
* (C) 2004-2006 Jack Lloyd
*
* Released under the terms of the Botan license
*/

#ifndef BOTAN_ALERT_H__
#define BOTAN_ALERT_H__

#include <botan/tls_exceptn.h>

namespace Botan {

/**
* SSL/TLS Alert Message
*/
class BOTAN_DLL Alert
   {
   public:
      bool is_fatal() const { return fatal; }
      Alert_Type type() const { return type_code; }

      /**
      * Deserialize an Alert message
      */
      Alert(const MemoryRegion<byte>& buf)
         {
         if(buf.size() != 2)
            throw Decoding_Error("Alert: Bad size for alert message");

         if(buf[0] == 1)      fatal = false;
         else if(buf[0] == 2) fatal = true;
         else
            throw Decoding_Error("Alert: Bad type code for alert level");

         type_code = static_cast<Alert_Type>(buf[1]);
         }
   private:
      bool fatal;
      Alert_Type type_code;
   };

}

#endif