//public int receivePort, sendPort;
/*
* public Slave(SlaveArgJson arg){
* this.id = arg.id;
* this.ip = Program.stringToIP(this.ip_string = arg.adress);
* this.coInitializer();
* }*/
public static List <Slave> staticInit()
{
//todo: in hotRestart chiama esplicitamente tutti gli staticInit e aggiungi clausole per chiudere i client già aperti sovrascrivendoli.
//cleanup for HotRestart
if (Slave.senderToSlave != null)
{
senderToSlave.Close();
}
if (Slave.ensureUniqueID != null)
{
ensureUniqueID.Clear();
lock (Slave.all) foreach (Slave s in Slave.all)
{
Slave.Remove(s);
}
}
//real initialization
Slave.senderToSlave = new UdpClient()
{
EnableBroadcast = true
};
Slave.senderToSlave.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.NoDelay, true);//nagle's algorithm should work only in tpc, but i want to be sure that it will not execute, that would be a problem.
Slave.senderToSlave.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.NoChecksum, false);
Slave.senderToSlave.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
Slave.senderToSlave.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ExclusiveAddressUse, false);
Slave.senderToSlave.ExclusiveAddressUse = false;
Slave.senderToSlave.EnableBroadcast = true;
Slave.all = new List <Slave>();
Slave.ensureUniqueID = new Dictionary <ulong, Slave>();
return(Slave.all);
}
/// <summary>
/// processing executed after message got dequeued.
/// </summary>
public void consume()
{
Program.logSlave("consuming :" + this.ToPrintString());
Slave s;
ulong id;
int removedCount;
switch (type)
{
case MessageType.argumentChange:
StartupArgJson args;
try { args = StartupArgJson.deserialize(this.data); } catch (Exception e) {
Program.pe(this.type + " body is not deserializable: " + this.data, e); break;
}
if (args == null || !args.Validate())
{
Program.pe(this.type + " body is deserializable but with invalid content: " + this.data); break;
}
Program.args = args;
Master.MasterCrashChecker.Abort();
Master.MasterCrashChecker = null;
new Thread(Program.HotRestart).Start();
/*
* string[] arr = this.data.Split(myMessage.separator);
* foreach (string str in arr) {
* string[] kv = str.Split(myMessage.secondSeparator);
* ulong slaveID;
* if (!ulong.TryParse(kv[0], out slaveID)) { Program.pe("Unexpected slaveID key ("+kv[0]+") found in the body of messagetype."+this.type); continue; }
*
* }*/
//todo: crea anche un software che generi messaggi di ripartizionamento per gestire dinamicamente tutte le partizioni, un supermaster
break;
case MessageType.masterChange:
//if required in future trigger messageType.dinamicallyAddSlave, per ora va tutto bene anche se il nuovo master non era nella lista slaves.
string[] split = this.data.Split(myMessage.separator);
if (!ulong.TryParse(split[0], out id))
{
Program.pe(this.type + " have non-numerical body; expected two numeric id separated by a '" + myMessage.separator + "', found instead: " + this.data); break;
}
Slave oldMaster = Slave.getFromID(id);
if (oldMaster == null)
{
break;
}
if (!ulong.TryParse(split[0], out id))
{
Program.pe(this.type + " have non-numerical body; expected two numeric id separated by a '" + myMessage.separator + "', found instead: " + this.data); break;
}
Slave newMaster = Slave.getFromID(id);
if (newMaster == null)
{
break;
}
if (Master.currentMaster == oldMaster)
{
Master.changeMaster(newMaster); //master checker msg received
}
Slave.Remove(oldMaster);
break;
case MessageType.dinamicallyRemoveSlave:
if (!ulong.TryParse(this.data, out id))
{
Program.pe(this.type + " have non-numerical body; expected numeric id, found: " + this.data); break;
}
s = Slave.getFromID(id);
if (s == null)
{
break;
}
Slave.Remove(s);
break;
case MessageType.dinamicallyAddSlave:
Slave.deserializeOrGet(this.data);
if (Master.iAmTheMaster)
{
myMessage m = new myMessage(MessageType.provideSlaveList, "");
foreach (Slave s2 in Slave.all)
{
m.data += ";" + s2.serialize();
}
m.data = m.data.Substring(1);
m.launchToOutput();
}
break;
case MessageType.provideSlaveList:
Volatile.Write(ref Master.lastMasterUpdate, DateTime.Now.Ticks);
string[] jsons = this.data.Split(myMessage.separator);
lock (Slave.all) foreach (string str in jsons)
{
Slave.deserializeOrGet(str);
}
break;
case MessageType.confirmMessageSuccess_Single:
Volatile.Write(ref Master.lastMasterUpdate, DateTime.Now.Ticks);
removedCount = ReceiverTool.messageQueue.get(this.data, true) == null ? 0 : 1;
Program.logSlave(removedCount + " removed from queue.");
break;
case MessageType.confirmMessageSuccess_Batch:
Volatile.Write(ref Master.lastMasterUpdate, DateTime.Now.Ticks);
removedCount = ReceiverTool.messageQueue.getOlderThan(this.data, true).Count;
Program.logSlave(removedCount + " removed from queue.");
break;
case MessageType.xml: Program.pe("xml messages should be handled in Master thread without consuming."); return;
default:
case MessageType.uninitialized: Program.pe("uninitialized message consumed"); return;
}
}