/// <summary>
/// Decodes one message. If the input stream indicates the end of messages, null is returned.
/// </summary>
/// <param name="input"> The input stream containing the message </param>
/// <returns> The decoded message or null in case no more messages are present </returns>
/// <exception cref="IOException"> When an IO error occurs </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public RemoteMessage decode(java.io.DataInput input) throws java.io.IOException
public virtual RemoteMessage decode(DataInput input)
{
int messageSize = input.readInt();
if (messageSize == 0)
{
return(null);
}
RemoteMessageType[] types = typeof(RemoteMessageType).EnumConstants;
int typeIndex = input.readByte() & 0xFF;
int version = input.readByte() & 0xFF;
if (typeIndex >= types.Length)
{
log.LogWarning("Invalid message type {}.", typeIndex);
input.readFully(new sbyte[messageSize - 1]);
return(UnknownMessage.INSTANCE);
}
RemoteMessageType type = types[typeIndex];
if (version < 1 || version > type.codec.version(null))
{
log.LogWarning("Invalid version {} for message {}.", version, type);
input.readFully(new sbyte[messageSize - 2]);
return(UnknownMessage.INSTANCE);
}
return(type.codec.decode(input, version));
}
/// <summary>
/// Encodes one message.
/// </summary>
/// <param name="output"> The output stream to encode to </param>
/// <param name="message"> The message to encode </param>
/// <exception cref="IOException"> When an IO error occurs </exception>
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @SuppressWarnings("unchecked") public void encode(java.io.DataOutputStream output, RemoteMessage message) throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
public virtual void encode(DataOutputStream output, RemoteMessage message)
{
RemoteMessageType type = encodingMap[message.GetType()];
System.IO.MemoryStream messageOutputBytes = new System.IO.MemoryStream();
DataOutput messageOutput = new DataOutputStream(messageOutputBytes);
RemoteMessageCodec <RemoteMessage> codec = type.codec;
codec.encode(messageOutput, message);
output.writeInt(messageOutputBytes.Capacity + 2);
output.writeByte((sbyte)type.ordinal());
output.writeByte((sbyte)type.codec.version(message));
messageOutputBytes.WriteTo(output);
}
