public Call(int connectionID, bool interDomainConnection, int startAsID, bool throughSubnetwork, HostConnection startHostConnection, HostConnection targetHostConnection, Path path)
{
this.connectionID = connectionID;
this.interDomainConnection = interDomainConnection;
this.startAsID = startAsID;
this.startHostConnection = startHostConnection;
this.targetHostConnection = targetHostConnection;
this.throughSubnetwork = throughSubnetwork;
this.path = path;
}
private Tuple <HostConnection, HostConnection> GetHostConnections(Path path)
{
HostConnection hc1 = null, hc2 = null;
foreach (HostConnection hostConnection in Server.GetHostConnections())
{
if (hostConnection.GetHost() == path.endPoints.Item1)
{
hc1 = hostConnection;
}
if (hostConnection.GetHost() == path.endPoints.Item2)
{
hc2 = hostConnection;
}
}
return(new Tuple <HostConnection, HostConnection>(hc1, hc2));
}
private void RefuseConnection(HostConnection caller)
{
string message = "component:CPCC;name:CallRequestResponse;succeeded:false";
caller.SendMessage(message);
}
public void HandleRequest(Dictionary <string, string> data, HostConnection caller)
{
try {
switch (data["name"])
{
case "CallRequest":
GUIWindow.PrintLog("NCC: Received CallRequest(" + data["hostX"] + ", " + data["hostY"] + ", " + data["speed"] + " Gb/s) from CPCC");
Tuple <string, string, int, int> routerData = HandleDirectory(data["hostX"], data["hostY"]);
if (routerData.Item1.Equals("WRONG NAME") || routerData.Item2.Equals("WRONG NAME"))
{
GUIWindow.PrintLog("NCC: Host name does not exist");
GUIWindow.PrintLog("NCC: Sent CallRequestResponse(UNSUCCESSFUL)");
RefuseConnection(caller);
break;
}
else if (routerData.Item1.Equals(routerData.Item2))
{
GUIWindow.PrintLog("NCC: Target Host name is the same as the source one");
GUIWindow.PrintLog("NCC: Sent CallRequestResponse(UNUSCCESSFUL)");
RefuseConnection(caller);
break;
}
HandlePolicy();
lastCaller = caller;
lastRouterXIP = routerData.Item1;
lastRouterYIP = routerData.Item2;;
lastSpeed = Convert.ToInt32(data["speed"]);
lastIDC = routerData.Item3 != routerData.Item4;
if (!lastIDC)
{
string hostYIP1 = routerData.Item2.Remove(routerData.Item2.Length - 1, 1) + "2";
HostConnection hostConnection1 = Server.GetHostConnectionByIP(hostYIP1);
string message1 = "component:CPCC;name:CallAccept;routerX:" + data["hostX"] + ";routerY:" + data["hostY"] + ";speed:" + data["speed"];
hostConnection1.SendMessage(message1);
cachedHostYConnection = hostConnection1;
GUIWindow.PrintLog("NCC: Sent CallAccept(" + data["hostX"] + ", " + data["hostY"] + ", " + data["speed"] + " Gb/s) to other NCC");
break;
}
string message = "component:NCC;name:CallCoordination;routerX:" + routerData.Item1 + ";routerY:" + routerData.Item2 + ";speed:" + data["speed"] + ";IDC:" + lastIDC.ToString();
Program.peerConnection.SendMessage(message);
GUIWindow.PrintLog("NCC: Sent CallCoordination(" + routerData.Item1 + ", " + routerData.Item2 + ", " + data["speed"] + " Gb/s) to other NCC");
break;
case "CallCoordination":
GUIWindow.PrintLog("NCC: Received CallCoordination(" + data["routerX"] + ", " + data["routerY"] + ", " + data["speed"] + " Gb/s) from other NCC");
lastIDC = Convert.ToBoolean(data["IDC"]);
//odwrotne dzialanie funkcji -- dajemy IP dostajemy nazwy
routerData = HandleDirectory(data["routerX"], data["routerY"]);
HandlePolicy();
string hostYIP = data["routerY"].Remove(data["routerY"].Length - 1, 1) + "2";
HostConnection hostConnection = Server.GetHostConnectionByIP(hostYIP);
cachedHostYConnection = hostConnection;
message = "component:CPCC;name:CallAccept;routerX:" + routerData.Item1 + ";routerY:" + routerData.Item2 + ";speed:" + data["speed"];
hostConnection.SendMessage(message);
GUIWindow.PrintLog("NCC: Sent CallAccept(" + routerData.Item1 + ", " + routerData.Item2 + ", " + data["speed"] + " Gb/s) to other NCC");
break;
case "CallCoordinationResponse":
if (!Convert.ToBoolean(data["succeeded"]))
{
GUIWindow.PrintLog("NCC: Received CallRequestResponse(DENIED) from other NCC");
RefuseConnection(lastCaller);
}
else
{
GUIWindow.PrintLog("NCC: Received CallRequestResponse(ACCEPTED) from other NCC");
ConnectionRequest(lastIDC);
//message = "component:CPCC;name:CallRequestResponse;succeeded:true;connectionID:0"; //hard-kodowane connID na razie
//lastCaller.SendMessage(message);
}
break;
case "CallAcceptResponse":
string status = "ACCEPTED";
if (lastIDC)
{
if (!Convert.ToBoolean(data["succeeded"]))
{
message = "component:NCC;name:CallCoordinationResponse;succeeded:false";
status = "DENIED";
}
else
{
message = "component:NCC;name:CallCoordinationResponse;succeeded:true";
}
Program.peerConnection.SendMessage(message);
GUIWindow.PrintLog("NCC: Sent CallCoordinationResponse(" + status + ") to other NCC");
}
else
{
if (!Convert.ToBoolean(data["succeeded"]))
{
GUIWindow.PrintLog("NCC: Received CallAcceptResponse(DENIED) from CPCC");
RefuseConnection(lastCaller);
}
else
{
GUIWindow.PrintLog("NCC: Received CallAcceptResponse(ACCEPTED) from CPCC");
ConnectionRequest(lastIDC);
}
}
break;
case "CallTeardownCPCC":
GUIWindow.PrintLog("NCC: Received CallTeardownCPCC(" + data["connectionID"] + ") from CPCC");
GUIWindow.PrintLog("NCC: Sent ConnectionRequest(" + data["connectionID"] + ") to CC");
message = "component:CC;name:ConnectionTeardown;connectionID:" + data["connectionID"];
Program.cc.HandleRequest(Util.DecodeRequest(message));
break;
case "ConnectionTeardownResponse":
GUIWindow.PrintLog("NCC: Received ConnectionRequestResponse(" + data["connectionID"] + ") from CC : OK");
if (callRegister[Int32.Parse(data["connectionID"])].GetStartAsID() == ConfigLoader.ccID)
{
// Pierwszy AS
if (!callRegister[Int32.Parse(data["connectionID"])].GetInterDomainConnectionFlag())
{
//polaczenie wewnatrzdomenowe
GUIWindow.PrintLog("NCC: Sent CallTeardownCPCC(" + data["connectionID"] + ") to CPCC");
message = "component:CPCC;name:CallTeardownCPCC;connectionID:" + data["connectionID"];
callRegister[Int32.Parse(data["connectionID"])].GetTargetHostConnection().SendMessage(message);
break;
}
else
{
//polaczenie zewnatrzdomenowe
GUIWindow.PrintLog("NCC: Sent CallTeardownNCC(" + data["connectionID"] + ") to other AS NCC");
message = "component:NCC;name:CallTeardownNCC;connectionID:" + data["connectionID"];
Program.peerConnection.SendMessage(message);
}
}
else
{
// Drugi AS
GUIWindow.PrintLog("NCC: Sent CallTeardownNCCResponse(" + data["connectionID"] + ") to other AS NCC : OK");
message = "component:NCC;name:CallTeardownNCCResponse;connectionID:" + data["connectionID"];
Program.peerConnection.SendMessage(message);
}
break;
case "CallTeardownNCC":
GUIWindow.PrintLog("NCC: Received CallTeardownNCC(" + data["connectionID"] + ") from other AS NCC");
GUIWindow.PrintLog("NCC: Sent CallTeardownCPCC(" + data["connectionID"] + ") to CPCC");
message = "component:CPCC;name:CallTeardownCPCC;connectionID:" + data["connectionID"];
callRegister[Int32.Parse(data["connectionID"])].GetTargetHostConnection().SendMessage(message);
break;
case "CallTeardownCPCCResponse":
GUIWindow.PrintLog("NCC: Received CallTeardownCPCCResponse(" + data["connectionID"] + ") from CPCC: OK");
if (!callRegister[Int32.Parse(data["connectionID"])].GetInterDomainConnectionFlag())
{
//polaczenie wewnatrzdomenowe
GUIWindow.PrintLog("NCC: Sent CallTeardownCPCCResponse(" + data["connectionID"] + ") to CPCC : OK");
message = "component:CPCC;name:CallTeardownCPCCResponse;connectionID:" + data["connectionID"];
callRegister[Int32.Parse(data["connectionID"])].GetStartHostConnection().SendMessage(message);
}
else
{
//polaczenie zewnatrzdomenowe
GUIWindow.PrintLog("NCC: Sent ConnectionRequest(" + data["connectionID"] + ") to CC");
message = "component:CC;name:ConnectionTeardown;connectionID:" + data["connectionID"];
Program.cc.HandleRequest(Util.DecodeRequest(message));
}
break;
case "CallTeardownNCCResponse":
GUIWindow.PrintLog("NCC: Received CallTeardownNCCResponse(" + data["connectionID"] + ") from other AS NCC : OK");
GUIWindow.PrintLog("NCC: Sent CallTeardownCPCCResponse(" + data["connectionID"] + ") to CPCC : OK");
message = "component:CPCC;name:CallTeardownCPCCResponse;connectionID:" + data["connectionID"];
callRegister[Int32.Parse(data["connectionID"])].GetStartHostConnection().SendMessage(message);
break;
case "CallConfirmation":
if (!Convert.ToBoolean(data["succeeded"]))
{
GUIWindow.PrintLog("NCC: Received CallConfirmation(SUCCEEDED: false) from other NCC");
GUIWindow.PrintLog("NCC: Sent CallConfirmation(SUCCEEDED: false) to CPCC");
cachedHostYConnection.SendMessage("component:CPCC;name:CallConfirmation;IDC:" + data["IDC"] + ";succeeded:false");
}
else
{
GUIWindow.PrintLog("NCC: Received CallConfirmation(SUCCEEDED: true, connectionID: " + data["connID"] + ") from other NCC");
GUIWindow.PrintLog("NCC: Sent CallConfirmation(SUCCEEDED: true, connectionID: " + data["connID"] + ") to CPCC");
cachedHostYConnection.SendMessage("component:CPCC;name:CallConfirmation;IDC:" + data["IDC"] + ";succeeded:true;connID:" + data["connID"]);
}
break;
case "CallConfirmationResponse":
switch (data["sender"])
{
case "CPCC":
GUIWindow.PrintLog("NCC: Received CallConfirmationResponse() from CPCC");
if (Convert.ToBoolean(data["IDC"]))
{
GUIWindow.PrintLog("NCC: Sent CallConfirmationResponse() to other NCC");
Program.peerConnection.SendMessage("component:NCC;name:CallConfirmationResponse;sender:NCC");
}
else
{
if (!cachedSuccess)
{
GUIWindow.PrintLog("NCC: Sent CallRequestResponse(SUCCEEDED: false) to CPCC");
lastCaller.SendMessage("component:CPCC;name:CallRequestResponse;succeeded:false");
}
else
{
GUIWindow.PrintLog("NCC: Sent CallRequestResponse(SUCCEEDED: true, connectionID: " + RC.currentConnectionID + ") to CPCC");
lastCaller.SendMessage("component:CPCC;name:CallRequestResponse;succeeded:true;connectionID:" + RC.currentConnectionID);
}
}
break;
case "NCC":
GUIWindow.PrintLog("NCC: Received CallConfirmationResponse() from other NCC");
if (!cachedSuccess)
{
GUIWindow.PrintLog("NCC: Sent CallRequestResponse(SUCCEEDED: false) to CPCC");
lastCaller.SendMessage("component:CPCC;name:CallRequestResponse;succeeded:false");
}
else
{
GUIWindow.PrintLog("NCC: Sent CallRequestResponse(SUCCEEDED: true, connectionID: " + RC.currentConnectionID + ") to CPCC");
lastCaller.SendMessage("component:CPCC;name:CallRequestResponse;succeeded:true;connectionID:" + RC.currentConnectionID);
}
break;
}
break;
case "ConnectionRequestResponse":
cachedSuccess = Convert.ToBoolean(data["succeeded"]);
if (lastIDC)
{
if (!Convert.ToBoolean(data["succeeded"]))
{
GUIWindow.PrintLog("NCC: Received ConnectionRequestResponse(SUCCEEDED: false) from CC");
GUIWindow.PrintLog("NCC: Sent CallConfirmation(SUCCEEDED: false) to other NCC");
Program.peerConnection.SendMessage("component:NCC;name:CallConfirmation;IDC:true;succeeded:false");
}
else
{
GUIWindow.PrintLog("NCC: Received ConnectionRequestResponse(SUCCEEDED: true, connectionID: " + data["connID"] + ") from CC");
GUIWindow.PrintLog("NCC: Sent CallConfirmation(SUCCEEDED: true, connectionID: " + data["connID"] + ") to other NCC");
Program.peerConnection.SendMessage("component:NCC;name:CallConfirmation;IDC:true;succeeded:true;connID:" + data["connID"]);
}
}
else
{
if (!Convert.ToBoolean(data["succeeded"]))
{
GUIWindow.PrintLog("NCC: Received ConnectionRequestResponse(SUCCEEDED: false) from CC");
GUIWindow.PrintLog("NCC: Sent CallConfirmation(SUCCEEDED: false) to CPCC");
cachedHostYConnection.SendMessage("component:CPCC;name:CallConfirmation;succeeded:false;IDC:false");
}
else
{
GUIWindow.PrintLog("NCC: Received ConnectionRequestResponse(SUCCEEDED: true, connectionID: " + data["connID"] + ") from CC");
GUIWindow.PrintLog("NCC: Sent CallConfirmation(SUCCEEDED: true, connectionID: " + data["connID"] + ") to CPCC");
cachedHostYConnection.SendMessage("component:CPCC;name:CallConfirmation;succeeded:true;IDC:false;connID:" + data["connID"]);
}
}
break;
}
} catch (Exception e) {
GUIWindow.PrintLog(e.Message);
GUIWindow.PrintLog(e.StackTrace);
}
}
public void RemoveHostConnection(HostConnection hostConnection)
{
GUIWindow.PrintLog("Host #" + hostConnection.GetID() + " has disconnected");
hostConnections.Remove(hostConnection);
}
