//Main function parses and sends the messages to server//
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));
Receiver rcvr = new Receiver(srvr.port, srvr.address);
Action serviceAction = () => {
Message msg = null;
DBEngine<int, DBElement<int, string>> dbserver = new DBEngine<int, DBElement<int, string>>(); //new DBEngine
QueryEngine QE = new QueryEngine();
HiResTimer timer = new HiResTimer(); //new object for timer
while (true) {
msg = rcvr.getMessage(); // note use of non-service method to deQ messages
Console.Write("\n Received message:");
Console.Write("\n sender is {0}", msg.fromUrl);
Console.Write("\n content is {0}\n", msg.content);
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; }
timer.Start(); //start timer
XElement insertelem = XElement.Parse(msg.content);
XElement res = new XElement("result", "not found");
processor rdbserver = new processor();
Console.WriteLine("\n----------write client operations----------");
Console.WriteLine("\n");
//----------select the required method to perform operations------------//
if (insertelem.Element("Type").Value.Equals("Insert"))
res = rdbserver.insert(insertelem, dbserver);
else if (insertelem.Element("Type").Value.Equals("Delete"))
res = rdbserver.Delete(insertelem, dbserver);
else if (insertelem.Element("Type").Value.Equals("EditName"))
res = rdbserver.EditName(insertelem, dbserver);
else if (insertelem.Element("Type").Value.Equals("getvalue"))
res = rdbserver.getvalue(insertelem, dbserver, QE);
else if (insertelem.Element("Type").Value.Equals("EditDescr"))
res = rdbserver.editdescr(insertelem, dbserver);
else if (insertelem.Element("Type").Value.Equals("getchildren"))
res = rdbserver.getchildren(insertelem, dbserver, QE);
else if (insertelem.Element("Type").Value.Equals("Persist"))
res = rdbserver.persistdb(insertelem, dbserver);
else Console.Write(" operation failed ");
Console.WriteLine("\n-------------server response----------");
XElement response = new XElement("resonse");
response.Add(res);
timer.Stop(); //stop timer
Console.WriteLine("the time taken for operation is {0}", timer.ElapsedMicroseconds + " MicroSeconds ");
srvr.send_wpf_msg(timer.ElapsedMicroseconds, sndr);
Util.swapUrls(ref msg);
msg.content = response.ToString();
sndr.sendMessage(msg); //sending message
} };
if (rcvr.StartService())
rcvr.doService(serviceAction); // This serviceAction is asynchronous so the call doesn't block.
Util.waitForUser(); } }
// main function to send messages
static void Main(string[] args) {
Thread.Sleep(2000);
Console.Write("\n starting CommService client");
Console.Write("\n =============================\n");
Console.Title = "Client #1";
Client clnt = new Client();
clnt.processCommandLine(args);
string localPort = Util.urlPort(clnt.localUrl);
string localAddr = Util.urlAddress(clnt.localUrl);
Receiver rcvr = new Receiver(localPort, localAddr);
if (rcvr.StartService()) {
Action newact = clnt.doAction(rcvr);
rcvr.doService(newact); }
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; }
XDocument doc = XDocument.Load("./../../../dbload.xml");
Console.WriteLine(doc.ToString());
Console.WriteLine(" xml is loaded ");
Console.WriteLine();
XElement dbe = doc.Element("root");
int count = Int32.Parse(dbe.Element("count").Value);
for (int i = 0; i < count; i++) {
foreach (var a in dbe.Elements("ClientMessage")) {
msg = new Message();
msg.fromUrl = clnt.localUrl;
msg.toUrl = clnt.remoteUrl;
Console.Write("\n sending {0}\n", msg.content);
Console.Write("\n");
msg.content = a.ToString();
sndr.sendMessage(msg);
Thread.Sleep(200); } }
Thread.Sleep(200); // Wait for user to press a key to quit.
// Ensures that client has gotten all server replies.
Util.waitForUser(); // shut down this client's Receiver and Sender by sending close messages
rcvr.shutDown(); sndr.shutdown(); Console.Write("\n\n");
} } }
//function used to display the performance in WPF
public void send_wpf_msg(ulong prc_time, Sender sndr)
{
Message wpf_msg = new Message();
wpf_msg.toUrl = "http://localhost:8081/CommService";
wpf_msg.fromUrl = "http://localhost:8080/CommService";
string lat_msg = "Server(8080) : Processing time = " + prc_time;
wpf_msg.content = lat_msg;
sndr.sendMessage(wpf_msg);
}
//----< 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;
}
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);
}
