static void Main(string[] args)
{
Util.verbose = false;
Server srvr = new Server();
srvr.ProcessCommandLine(args);
Console.Title = "Server";
Console.Write(String.Format("\n Starting CommService server listening on port {0}", srvr.port));
Console.Write("\n ====================================================\n");
Sender sndr = new Sender(Util.makeUrl(srvr.address, srvr.port));
//Sender sndr = new Sender();
Receiver rcvr = new Receiver(srvr.port, srvr.address);
//srvr.addValue(2);
// - serviceAction defines what the server does with received messages
// - This serviceAction just announces incoming messages and echos them
// back to the sender.
// - Note that demonstrates sender routing works if you run more than
// one client.
Action serviceAction = () =>
{
Message msg = null;
int key;
while (true)
{
msg = rcvr.getMessage(); // note use of non-service method to deQ messages
Message testMsg = new Message();
Console.Write("\n Received message:");
Console.Write("\n sender is {0}", msg.fromUrl);
Console.Write("\n Content is: {0}", msg.content);
if (msg.content.StartsWith("<"))//handling regular message
{
XDocument xml = XDocument.Parse(msg.content);
XElement element = xml.Element("Message").Element("Type");
switch(element.Value){
case "Add"://add key/value pair
testMsg.content = srvr.addValue(xml);
break;
case "Delete"://delete key/value pair
element = xml.Element("Message").Element("Key");
testMsg.content = "Value with key "+ element.Value +" has been deleted\n\n";
testMsg.content += srvr.deleteData(xml);
break;
case "Edit"://edit value
key = srvr.editValue(xml);
if(key<0)
testMsg.content = "Value cannot be found";
else
testMsg.content = "Value with key "+ key +" has be edited";
testMsg.content += srvr.returnDBAsString("int");
break;
case "ToXML"://persist database to xml
srvr.persistDB(xml);
testMsg.content = "The content of database has been converted to XML and saved in Test.xml";
break;
case "RecoverDB"://recover database from xml
srvr.recoverDB(xml);
testMsg.content = "The database has been recover from a XML file";
break;
case "Query"://handling a query
testMsg.content = srvr.query(xml);
break;
default:
testMsg.content = "Invalid request.";
break;
}
}
if (msg.content == "connection start message")
{
continue; // don't send back start message
}
if (msg.content == "done")
{
Console.Write("\n client has finished\n");
continue;
}
if (msg.content == "closeServer")
{
Console.Write("received closeServer");
break;
}
msg.content = "received " + msg.content + " from " + msg.fromUrl;
// swap urls for outgoing message
Util.swapUrls(ref msg);
#if (TEST_WPFCLIENT)
/////////////////////////////////////////////////
// The statements below support testing the
// WpfClient as it receives a stream of messages
// - for each message received the Server
// sends back 1000 messages
//
testMsg.toUrl = msg.toUrl;
testMsg.fromUrl = msg.fromUrl;
Console.Write("\n sending reply: {0}", testMsg.content);
WriteLine();
sndr.sendMessage(testMsg);//sending replies
#else
/////////////////////////////////////////////////
// Use the statement below for normal operation
sndr.sendMessage(msg);
#endif
}
};
if (rcvr.StartService())
{
rcvr.doService(serviceAction); // This serviceAction is asynchronous,
} // so the call doesn't block.
Util.waitForUser();
//srvr.showDB();
}
//----< Test Stub >--------------------------------------------------
#if (TEST_SENDER)
static void Main(string[] args)
{
Util.verbose = false;
Console.Write("\n starting CommService Sender");
Console.Write("\n =============================\n");
Console.Title = "CommService Sender";
Sender sndr = new Sender("http://localhost:8081/CommService");
sndr.processCommandLine(args);
int numMsgs = 5;
int counter = 0;
Message msg = null;
while (true)
{
msg = new Message();
msg.fromUrl = sndr.localUrl;
msg.toUrl = sndr.remoteUrl;
msg.content = "Message #" + (++counter).ToString();
Console.Write("\n sending {0}", msg.content);
sndr.sendMessage(msg);
Thread.Sleep(30);
if (counter >= numMsgs)
break;
}
// demonstrate:
// - sending to listener
// - attempting to send to nolistener
// - sending to listener
msg = new Message();
msg.fromUrl = sndr.localUrl;
msg.toUrl = "http://localhost:9999/CommService";
msg.content = "no listener for this message";
Console.Write("\n sending {0}", msg.content);
sndr.sendMessage(msg);
msg = new Message();
msg.fromUrl = sndr.localUrl;
msg.toUrl = sndr.remoteUrl;
msg.content = "Message #" + (++counter).ToString();
Console.Write("\n sending {0}", msg.content);
sndr.sendMessage(msg);
msg = new Message();
msg.fromUrl = sndr.localUrl;
msg.toUrl = sndr.remoteUrl;
msg.content = "closeSender"; // message for self and Receiver
Console.Write("\n sending {0}", msg.content);
sndr.sendMessage(msg);
}
static void Main(string[] args)
{
Console.Write("\n starting Read Client for requirement #7");
Console.Write("\n =============================\n");
Console.Title = "ReadClient";
ReadClient clnt = new ReadClient();
clnt.processCommandLine(args);
Console.Title = "ReadClient";
string localPort = Util.urlPort(clnt.localUrl);
string localAddr = Util.urlAddress(clnt.localUrl);
Receiver rcvr = new Receiver(localPort, localAddr);
if (rcvr.StartService())
{
rcvr.doService(rcvr.defaultServiceAction());
}
Sender sndr = new Sender(clnt.localUrl); // Sender needs localUrl for start message
Message msg = new Message();
msg.fromUrl = clnt.localUrl;
msg.toUrl = clnt.remoteUrl;
Console.Write("\n sender's url is {0}", msg.fromUrl);
Console.Write("\n attempting to connect to {0}\n", msg.toUrl);
if (!sndr.Connect(msg.toUrl))
{
Console.Write("\n could not connect in {0} attempts", sndr.MaxConnectAttempts);
sndr.shutdown();
rcvr.shutDown();
return;
}
XmlDocument doc = new XmlDocument();
doc.Load("readClientTest.xml");
XmlNodeList xmlnode = doc.GetElementsByTagName("Message");
Stopwatch watch = new Stopwatch();
watch.Start();//start watch
while (true)//read and send messages
{
msg = new Message();
msg.fromUrl = clnt.localUrl;
msg.toUrl = clnt.remoteUrl;
for (int i = 0; i < xmlnode.Count; i++)
{
msg.content = "<?xml version=\"1.0\" encoding=\"utf - 8\" standalone=\"yes\"?>" + xmlnode[i].OuterXml;
Console.Write("\n sending {0}\n", msg.content);
if (!sndr.sendMessage(msg))
return;
Thread.Sleep(100);
}
break;
}
msg.content = "done";
sndr.sendMessage(msg);
// Wait for user to press a key to quit.
// Ensures that client has gotten all server replies.
watch.Stop();
string time = watch.ElapsedMilliseconds.ToString();
Console.Write("Elapsed time: " + time + " millionsecondns\n\n");//print time elapsed
Util.waitForUser();
// shut down this client's Receiver and Sender by sending close messages
rcvr.shutDown();
sndr.shutdown();
Console.Write("\n\n");
}
