public static OperationalMessage?MessageFrom(string content)
{
if (content.StartsWith(APP))
{
return(ApplicationSays.From(content));
}
if (content.StartsWith(DIR))
{
return(Directory.From(content));
}
if (content.StartsWith(ELECT))
{
return(Elect.From(content));
}
if (content.StartsWith(JOIN))
{
return(Join.From(content));
}
if (content.StartsWith(LEADER))
{
return(Leader.From(content));
}
if (content.StartsWith(LEAVE))
{
return(Leave.From(content));
}
if (content.StartsWith(PING))
{
return(Ping.From(content));
}
if (content.StartsWith(PULSE))
{
return(Pulse.From(content));
}
if (content.StartsWith(SPLIT))
{
return(Split.From(content));
}
if (content.StartsWith(VOTE))
{
return(Vote.From(content));
}
return(null);
}
public void TestGenerateElectMessage()
{
var elect = new Elect(Id.Of(1));
MessageConverters.MessageToBytes(elect, _messageBuffer);
var raw = OperationalMessage.ELECT + "\nid=1";
_expectedBuffer.Write(Converters.TextToBytes(raw));
Assert.Equal(_expectedBuffer.ToArray(), _messageBuffer.ToArray());
Assert.Equal(elect, Elect.From(raw));
}
private Message ProcessElect(Elect message)
{
switch (message.ElectType)
{
case ElectType.GET_MASTER:
message.NewMasterURL = MasterEndpointURL;
return(message);
case ElectType.SET_MASTER:
MasterEndpointURL = message.NewMasterURL;
return(message);
}
throw new NotImplementedException();
}
public void TestParseElect()
{
var elect1 = OperationalMessage.MessageFrom(OperationalMessage.ELECT + "\n" + "id=1");
Assert.True(elect1.IsElect);
Assert.Equal(Id.Of(1), elect1.Id);
var expectedElec1 = new Elect(Id.Of(1));
Assert.Equal(expectedElec1, elect1);
var elect100 = OperationalMessage.MessageFrom(OperationalMessage.ELECT + "\n" + "id=100");
Assert.True(elect100.IsElect);
Assert.Equal(Id.Of(100), elect100.Id);
var expectedElec100 = new Elect(Id.Of(100));
Assert.Equal(expectedElec100, elect100);
}
internal protected virtual void Handle(Elect elec)
{
Logger.Debug($"{StateType} {Node.Id} ELECT: {elec}");
LiveNodeMaintainer.EscalateElection(elec.Id);
}
protected internal override void Handle(Elect elec)
{
Logger.Debug($"{StateType} {Node.Id} ELECT: {elec}");
LiveNodeMaintainer.VoteForLocalNode(elec.Id);
}
public static void MessageToBytes(Elect elect, Stream buffer) => BasicMessageToBytes(elect, OperationalMessage.ELECT, buffer);
