static void Main(string[] args)
{
TestAckSenderWindow test = new TestAckSenderWindow();
test.ackSender.setWindowSize(3,2);
Console.WriteLine("-=-=-=-=- Sending 5 messages -=-=-=-=-");
Message msg = new Message(null,null,"Sending message 0");
test.ackSender.add(0,msg);
msg = new Message(null,null,"Sending message 1");
test.ackSender.add(1,msg);
msg = new Message(null,null,"Sending message 2");
test.ackSender.add(2,msg);
msg = new Message(null,null,"Sending message 3");
test.ackSender.add(3,msg);
msg = new Message(null,null,"Sending message 4");
test.ackSender.add(4,msg);
Thread.Sleep(10000);
Console.WriteLine("-=-=-=-=- Ack msg 1 -=-=-=-=-");
test.ackSender.ack(1);
Thread.Sleep(10000);
Console.WriteLine("-=-=-=-=- Ack msg 0 -=-=-=-=-");
test.ackSender.ack(0);
Console.ReadLine();
}
// -=-=-=-=-=-=-=- MessageListener Interface -=-=-=-=-=-=-=-
public void receive(GCT.Message msg)
{
try
{
Object obj = msg.getObject();
if (obj != null && (obj is String))
{
String str = (String)obj;
String userHandler = "???";
int pos = str.IndexOf("|:|");
if (pos != -1)
{
userHandler = str.Substring(0, pos);
str = str.Substring((pos + 3), str.Length - (pos + 3));
}
if (members.Contains(msg.Source))
{
members[msg.Source] = userHandler;
updateMembers();
txtMsgsReceived.AppendText(userHandler + ": " + (String)str + "\n");
txtMsgsReceived.SelectionStart = txtMsgsReceived.TextLength;
txtMsgsReceived.Focus();
txtMsgsReceived.ScrollToCaret();
}
}
}
catch (Exception e)
{
}
}
static void Main(string[] args)
{
TestAckReceiverWindow test = new TestAckReceiverWindow();
Console.WriteLine("-=-=-=-=- Receive msgs 0-2 -=-=-=-=-");
Message msg = new Message(null,null,"Sending message 0");
test.ackRecv.add(0,msg);
msg = new Message(null,null,"Sending message 1");
test.ackRecv.add(1,msg);
msg = new Message(null,null,"Sending message 2");
test.ackRecv.add(2,msg);
Console.WriteLine("-=-=-=-=-=- Remove -=-=-=-=-=-");
test.remove();
Console.WriteLine("-=-=-=-=- Receive msgs 4-5 -=-=-=-=-");
msg = new Message(null,null,"Sending message 4");
test.ackRecv.add(4,msg);
msg = new Message(null,null,"Sending message 5");
test.ackRecv.add(5,msg);
Console.WriteLine("-=-=-=-=-=- Remove -=-=-=-=-=-");
test.remove();
Console.WriteLine("-=-=-=-=- Receive msgs 3 -=-=-=-=-");
msg = new Message(null,null,"Sending message 3");
test.ackRecv.add(3,msg);
Console.WriteLine("-=-=-=-=-=- Remove -=-=-=-=-=-");
test.remove();
Console.ReadLine();
}
static void Main(string[] args)
{
int msgNo = 10;
TestNakReceiverWindow test = new TestNakReceiverWindow();
test.init();
Message[] msgs = new Message[msgNo];
for(int i= 0;i<msgNo;i++)
msgs[i] = new Message(test.localAddr,test.remoteAddr, i + ": Test Message");
Console.WriteLine("-=-=-=-=-=- Adding msgs 0-2 -=-=-=-=-=-");
for(int i= 0;i < 3;i++)
test.nak.add(i,msgs[i]);
Console.WriteLine("-=-=-=-=-=- Remove -=-=-=-=-=-");
Console.WriteLine(test.nak.toString());
test.remove();
Console.WriteLine(test.nak.toString());
Console.WriteLine("-=-=-=-=-=- Adding msg 2 again -=-=-=-=-=-");
test.nak.add(2,msgs[2]);
Console.WriteLine(test.nak.toString());
Console.WriteLine("-=-=-=-=-=- Adding msgs 3-4 -=-=-=-=-=-");
test.nak.add(3,msgs[3]);
test.nak.add(4,msgs[4]);
Console.WriteLine("-=-=-=-=-=- Adding msgs 6-7 -=-=-=-=-=-");
test.nak.add(6,msgs[6]);
test.nak.add(7,msgs[7]);
Thread.Sleep(10000);
Console.WriteLine("-=-=-=-=-=- Remove -=-=-=-=-=-");
test.remove();
Console.WriteLine(test.nak.toString());
Thread.Sleep(20000);
Console.WriteLine("-=-=-=-=-=- Adding msg 5 -=-=-=-=-=-");
test.nak.add(5,msgs[5]);
Console.WriteLine("-=-=-=-=-=- Remove -=-=-=-=-=-");
Console.WriteLine(test.nak.toString());
test.remove();
Console.WriteLine(test.nak.toString());
Console.WriteLine("-=-=-=-=-=- Stable up to 5 -=-=-=-=-=-");
test.nak.stable(5);
Console.WriteLine(test.nak.toString());
Console.WriteLine("-=-=-=-=-=- Stable up to 7 -=-=-=-=-=-");
test.nak.stable(7);
Console.WriteLine(test.nak.toString());
Console.ReadLine();
}
private void sendMessage()
{
if (String.Compare(txtHandle.Text.Trim(), "") == 0 || String.Compare(txtHandle.Text.Trim(), "|:|") == 0)
{
txtHandle.Text = "DefaultName";
}
if (String.Compare(txtToSend.Text.Trim(), "") != 0)
{
GCT.Message msg = null;
if (lstMembers.SelectedIndex != -1)
{
foreach (DictionaryEntry dic in members)
{
if ((String.Compare((String)dic.Value, (String)lstMembers.SelectedItem) == 0))
{
if (!dic.Key.Equals(chan.getLocalAddress()))
{
msg = new GCT.Message((Address)dic.Key, chan.getLocalAddress(), txtHandle.Text + "|:|" + txtToSend.Text);
}
else
{
MessageBox.Show("Can't send message to yourself!!", "Private Message Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
}
}
else
{
msg = new GCT.Message(null, null, txtHandle.Text + "|:|" + txtToSend.Text);
}
if (msg != null)
{
chan.send(msg);
}
txtToSend.Text = "";
}
}
static void Main(string[] args)
{
Tester.SetupDebug();
NAKACK nak = new NAKACK();
Protocol bottom = null;
Protocol top = Tester.createStack(nak, out bottom);
Address remote1 = new Address("1.1.1.1",8005);
Address remote2 = new Address("1.1.1.2",8005);
Address remote3 = new Address("1.1.1.3",8005);
ArrayList members = new ArrayList();
members.Add(Tester.localAddr);
members.Add(remote1);
members.Add(remote2);
members.Add(remote3);
View newView = new View(new ViewId(Tester.localAddr,0),members);
evt = new Event(Event.VIEW_CHANGE,newView);
top.down(evt);
evt = new Event(Event.MSG,new Message(null,null,"Message 1"));
top.down(evt);
evt = new Event(Event.MSG,new Message(null,null,"Message 2"));
top.down(evt);
evt = new Event(Event.MSG,new Message(null,null,"Message 3"));
top.down(evt);
Console.WriteLine("-=-=-=-=- Received Msg 0 from Remote 1 -=-=-=-=-=-");
Message msg = new Message(null,remote1,"Incoming Message 0");
msg.Headers.Add("NAKACK",new NakAckHeader(NakAckHeader.MSG, 0));
evt = new Event(Event.MSG,msg);
bottom.up(evt);
Console.WriteLine("-=-=-=-=- Received Msg 0 from Remote 2 -=-=-=-=-=-");
msg = new Message(null,remote2,"Incoming Message 0");
msg.Headers.Add("NAKACK",new NakAckHeader(NakAckHeader.MSG, 0));
evt = new Event(Event.MSG,msg);
bottom.up(evt);
Console.WriteLine("-=-=-=-=- Received Msg 1 from Remote 1 -=-=-=-=-=-");
msg = new Message(null,remote1,"Incoming Message 1");
msg.Headers.Add("NAKACK",new NakAckHeader(NakAckHeader.MSG, 1));
evt = new Event(Event.MSG,msg);
bottom.up(evt);
Console.WriteLine("-=-=-=-=- Received Msg 2 from Remote 2 -=-=-=-=-=-");
msg = new Message(null,remote2,"Incoming Message 2");
msg.Headers.Add("NAKACK",new NakAckHeader(NakAckHeader.MSG, 2));
evt = new Event(Event.MSG,msg);
bottom.up(evt);
Thread.Sleep(20000);
Console.WriteLine("-=-=-=-=- Received Msg 1 from Remote 2 -=-=-=-=-=-");
msg = new Message(null,remote2,"Incoming Message 1");
msg.Headers.Add("NAKACK",new NakAckHeader(NakAckHeader.MSG, 1));
evt = new Event(Event.MSG,msg);
bottom.up(evt);
Thread.Sleep(3000);
Console.WriteLine("-=-=-=-=- Receiving STABLE event -=-=-=-=-=-");
Digest digest = new Digest(4); // 4 members
digest.add(Tester.localAddr, 0, 2, 2);
digest.add(remote1, 0, 1, 1);
digest.add(remote2, 0, 2, 2);
digest.add(remote3, 0, 0, 0);
evt = new Event(Event.STABLE,digest);
bottom.up(evt);
Console.ReadLine();
Tester.stopProtocols(top);
Console.ReadLine();
}
// -=-=-=-=-=-=-=- MessageListener Interface -=-=-=-=-=-=-=-
/// <summary>
/// Message Listener Implementation. Receives messages from the channel and
/// updates the hashtable accordingly.
/// </summary>
/// <param name="msg">The received message</param>
public void receive(GCT.Message msg)
{
if (msg == null)
{
return;
}
object obj = msg.getObject();
if (obj == null)
{
return;
}
if (!(obj is HTUpdate))
{
return;
}
HTUpdate update = (HTUpdate)obj;
switch (update.Type)
{
case HTUpdate.ADD:
if (update.Key != null && update.Value != null)
{
_Add(update.Key, update.Value);
}
break;
case HTUpdate.UPDATE:
if (update.Key != null && update.Value != null)
{
_Update(update.Key, update.Value);
}
break;
case HTUpdate.REMOVE:
if (update.Key != null)
{
_Remove(update.Key);
}
break;
case HTUpdate.CLEAR:
_Clear();
break;
case HTUpdate.SET_STATE:
if (update.Value != null && update.Value is Hashtable)
{
lock (state_mutex)
{
_State((Hashtable)update.Value);
Monitor.Pulse(state_mutex);
}
}
break;
case HTUpdate.GET_STATE:
if (channel.getView().getMembers()[0].Equals(channel.getLocalAddress()))
{
channel.send(new Message(msg.Source, channel.getLocalAddress(), new HTUpdate(HTUpdate.SET_STATE, null, base.Clone())));
}
break;
}
}
public void retransmit(long seqno, Message msg)
{
Console.WriteLine("RETRANSMIT: (" + seqno + ")" +"\t" + DateTime.Now.ToLongTimeString());
}
/// <summary>
/// Updates an entry in the hashtable. Called from "hashtable[key] = value".
/// </summary>
/// <param name="key">Key of hashtable entry</param>
/// <param name="val">Value of hashtable entry</param>
private void Update(object key, object val)
{
//shouldnt override existing members
Message msg;
msg = new Message(null,null,new HTUpdate(HTUpdate.UPDATE,key,val));
channel.send(msg);
}
static void Main(string[] args)
{
Tester.SetupDebug();
Event evt = null;
UNICAST uni = new UNICAST();
Protocol bottom = null;
Protocol top = Tester.createStack(uni, out bottom);
Address remote1 = new Address("1.1.1.1",8005);
Address remote2 = new Address("1.1.1.2",8005);
Address remote3 = new Address("1.1.1.3",8005);
Console.WriteLine("-=-=-=-=- Send msgs 0-2 to Remote 1 -=-=-=-=-=-");
evt = new Event(Event.MSG,new Message(remote1,null,"Message 1"));
top.down(evt);
evt = new Event(Event.MSG,new Message(remote1,null,"Message 2"));
top.down(evt);
evt = new Event(Event.MSG,new Message(remote1,null,"Message 3"));
top.down(evt);
Thread.Sleep(7000);
Console.WriteLine("-=-=-=-=- Ack 0 from Remote 1 -=-=-=-=-=-");
Message msg = new Message(Tester.localAddr,remote1,"Incoming Message 0");
msg.Headers.Add("UNICAST",new UnicastHeader(UnicastHeader.DATA_ACK, 0));
evt = new Event(Event.MSG,msg);
bottom.up(evt);
Console.WriteLine("-=-=-=-=- Ack 1 from Remote 1 -=-=-=-=-=-");
msg = new Message(Tester.localAddr,remote1,"Incoming Message 0");
msg.Headers.Add("UNICAST",new UnicastHeader(UnicastHeader.DATA_ACK, 1));
evt = new Event(Event.MSG,msg);
bottom.up(evt);
Thread.Sleep(7000);
Console.WriteLine("-=-=-=-=- Ack 2 from Remote 1 -=-=-=-=-=-");
msg = new Message(Tester.localAddr,remote1,"Incoming Message 0");
msg.Headers.Add("UNICAST",new UnicastHeader(UnicastHeader.DATA_ACK, 2));
evt = new Event(Event.MSG,msg);
bottom.up(evt);
Thread.Sleep(2000);
Console.WriteLine("-=-=-=-=- Recv msg 0 from Remote 1 -=-=-=-=-=-");
msg = new Message(Tester.localAddr,remote1,"Incoming Message 0");
msg.Headers.Add("UNICAST",new UnicastHeader(UnicastHeader.DATA, 0));
evt = new Event(Event.MSG,msg);
bottom.up(evt);
Console.WriteLine("-=-=-=-=- Recv msg 1 from Remote 1 -=-=-=-=-=-");
msg = new Message(Tester.localAddr,remote1,"Incoming Message 1");
msg.Headers.Add("UNICAST",new UnicastHeader(UnicastHeader.DATA, 1));
evt = new Event(Event.MSG,msg);
bottom.up(evt);
Console.WriteLine("-=-=-=-=- Recv msg 3 from Remote 1 -=-=-=-=-=-");
msg = new Message(Tester.localAddr,remote1,"Incoming Message 1");
msg.Headers.Add("UNICAST",new UnicastHeader(UnicastHeader.DATA, 3));
evt = new Event(Event.MSG,msg);
bottom.up(evt);
Thread.Sleep(10000);
Console.WriteLine("-=-=-=-=- Recv msg 2 from Remote 1 -=-=-=-=-=-");
msg = new Message(Tester.localAddr,remote1,"Incoming Message 1");
msg.Headers.Add("UNICAST",new UnicastHeader(UnicastHeader.DATA, 2));
evt = new Event(Event.MSG,msg);
bottom.up(evt);
Thread.Sleep(10000);
}
/// <summary>
/// Removes the specified key from the hashtable.
/// </summary>
/// <param name="key">Key of hashtable entry</param>
public override void Remove(object key)
{
Message msg;
msg = new Message(null,null,new HTUpdate(HTUpdate.REMOVE,key,null));
channel.send(msg);
}
/// <summary>
/// Clears the hashtable.
/// </summary>
public override void Clear()
{
Message msg;
msg = new Message(null,null,new HTUpdate(HTUpdate.CLEAR,null,null));
channel.send(msg);
}
/// <summary>
/// Adds a value into the Hashtable. This does not update an existing entry.
/// </summary>
/// <param name="key">Key of hashtable entry</param>
/// <param name="val">Value of hashtable entry</param>
public override void Add(object key, object val)
{
//shouldnt override existing members
Message msg;
msg = new Message(null,null,new HTUpdate(HTUpdate.ADD,key,val));
channel.send(msg);
}
private void sendMessage()
{
if(String.Compare(txtHandle.Text.Trim(),"")==0 || String.Compare(txtHandle.Text.Trim(),"|:|")==0)
{
txtHandle.Text = "DefaultName";
}
if(String.Compare(txtToSend.Text.Trim(),"")!=0)
{
GCT.Message msg = null;
if(lstMembers.SelectedIndex!=-1)
{
foreach(DictionaryEntry dic in members)
{
if((String.Compare((String)dic.Value,(String)lstMembers.SelectedItem)==0))
{
if(!dic.Key.Equals(chan.getLocalAddress()))
{
msg = new GCT.Message((Address)dic.Key,chan.getLocalAddress(),txtHandle.Text + "|:|" + txtToSend.Text);
}
else
{
MessageBox.Show("Can't send message to yourself!!", "Private Message Error", MessageBoxButtons.OK,MessageBoxIcon.Exclamation);
}
}
}
}
else
{
msg = new GCT.Message(null,null,txtHandle.Text + "|:|" + txtToSend.Text);
}
if(msg!=null)
chan.send(msg);
txtToSend.Text = "";
}
}
/// <summary>
/// Sends a request for the current state. Method returns once response is received.
/// </summary>
private void getState()
{
int stateTimeout= 15000;
Message msg;
msg = new Message(null,null,new HTUpdate(HTUpdate.GET_STATE,null,null));
bool stateReturned = false;
lock(state_mutex)
{
channel.send(msg);
stateReturned = Monitor.Wait(state_mutex,stateTimeout,true);
}
// if stateReturned = false then no coordinator present.
}
/// <summary> /// Sends a message through the Channel /// </summary> /// <param name="msg">Message to be sent</param> public abstract void send(Message msg);
/// <summary>
/// Copy the Message
/// </summary>
/// <returns>A copy of the current Message</returns>
public Message copy()
{
Message retval = new Message(null,null,null);
retval.dest_addr = dest_addr;
retval.src_addr = src_addr;
if(buf != null)
retval.buf=buf;
if(headers != null)
{
retval.headers = new PropertyCollection();
foreach(DictionaryEntry h in headers)
{
retval.headers.Add(h.Key,h.Value);
}
}
return retval;
}
