public static void Main(string[] args)
{
Console.WriteLine("Run the BGP simulator");
Thread.Sleep(1000);
//InitilizeBGPListnerSpeaker init_BGP = new InitilizeBGPListnerSpeaker();
//init_BGP.StartListner();
FinateStateMachine FSM_Server = new FinateStateMachine();
FSM_Server.Timers();
GlobalVariables.True = true;
//FSM.TcpConnectionConformed(true);
FSM_Server.StartBGPConnectionMethod(GlobalVariables.True);
//Console.WriteLine(FSM_Server.getState("Server"));
//FSM.TcpConnectionConformed(true);
//FSM.IdleState();
//InitilizeRouters init_routers = new InitilizeRouters();
//init_routers.StratRouters();
Routes bgpRoutes = new Routes();
UpdateMessageHandling createUpdate = new UpdateMessageHandling();
CloseRouter close = new CloseRouter();
while (true)
{
//Console.WriteLine("Type help for command info:"); // Prompt
//Console.WriteLine("Type commands for further execution:"); // Prompt
string line = Console.ReadLine(); // Get string from user
if (line == "help") // Check string
{
Console.WriteLine(" First Type 'update' to enforce local policy");
Console.WriteLine("Type 'as1' or 'as2' or 'as3' to see routing table info");
Console.WriteLine("Type 'updateAS1' to update AS1");
Console.WriteLine("Type 'updateAS2' to update AS2");
Console.WriteLine("Type 'updateAS3' to update AS3");
Console.WriteLine("Type '127.1.0.0' to close router 0 ");
Console.WriteLine("Type '127.2.0.5' to close router 5 ");
Console.WriteLine("Type '127.3.0.9' to close router 9 ");
//break;
}
if (line == "as1")
{
bgpRoutes.DisplayDataAS1();
}
if (line == "as2")
{
bgpRoutes.DisplayDataAS2();
}
if (line == "as3")
{
bgpRoutes.DisplayDataAS3();
}
if (line == "update")
{
GlobalVariables.data = Routes.GetTable();
Console.WriteLine("Local Policy For AS1, AS2 and AS3 is UPDATED");
createUpdate.adj_RIB_Out();
//createUpdate.withadrawlRoutes("");
createUpdate.pathAttribute();
createUpdate.networkLayerReachibility();
createUpdate.pathSegment();
//createUpdate.sendUpdateMsg_AS1();
//createUpdate.sendUpdateMsg_AS3();
}
if (line == "updateAS1")
{
createUpdate.sendUpdateMsg(1);
}
if (line == "updateAS2")
{
createUpdate.sendUpdateMsg(2);
createUpdate.sendUpdateMsg(3);
}
if (line == "updateAS3")
{
createUpdate.sendUpdateMsg(4);
}
if (line == "127.1.0.0")
{
close.CloseSpeakerListner(line, 1, 1);
}
if (line == "127.2.0.5")
{
close.CloseSpeakerListner(line, 3, 2);
}
if (line == "127.3.0.9")
{
close.CloseSpeakerListner(line, 4, 3);
}
//Console.Write("You typed "); // Report output
//Console.Write(line.Length);
//Console.WriteLine(" character(s)");
//Console.ReadLine();
//Console.WriteLine("Press any key to exit.");
//Console.ReadLine();
// Console.ReadKey();
}
// marker and length values are 16 and 3 octets which contains 32 and 6 slots
// type is 1 octet consists 2 slots
//KeepAliveMessage(ushort type)
/**
* KeepAliveMessage KEEPALIVE = new KeepAliveMessage();
* Console.WriteLine("KEEPALIVE MESSAGE CHECK:");
* Console.WriteLine(string.Join(":", KEEPALIVE.BGPmessage));
*
* //OpenMessage(ushort type, ushort version,ushort myAS, ushort holdTime, string bgpIdentifier, ushort optimalParLength)
* OpenMessage OPEN = new OpenMessage(4, 1, 0, IPAddress.Parse("101.0.0.0"), 0);
* Console.WriteLine("OPEN MESSAGE CHECK:");
* Console.WriteLine(string.Join(":", OPEN.BGPmessage));
*
* //type 1 octet, withdrawRouteLength 2 octets, ipPrefixLength 1 octet, ipPrefix.Length, totalPathAttributeLength 2 octet, attributePath.Length 2 octet,
* //attributeType 2 octet, attribute.Length = 0 1 octet, attrFlags = 1 1 0ctet, typeCode 1 octet, origin 0 or 1 (Type Code 1), pathSegmentType = 1 or 2 (1 octet),
* //pathSegmentLength 1 Octet, pathSegment value, asPath (Type Code 2), nextHop value IPAddress(Type Code 3), multiExitDisc (Type Code 4), localPref (Type Code 5),
* //automaticAggrigator (Type Code 6),aggrigator (Type Code 7), nlrLength IpPrefix.Length, nlePrefix IP address Prefix
*
* //UpdateMessage(ushort type, UInt16 withdrawRouteLength, ushort ipPrefixLength, string ipPrefix, ushort totalPathAttributeLength, UInt32 attributeLength,
* //UInt32 attrFlags, ushort typeCode, string attribute, ushort pathSegmentType,ushort pathSegmentLength,string pathSegmentValue, ushort nlrLength,
* //string nlrPrefix)
* //(38 + 2 + 4 + 2 +ipPrefix.Length + 4 + 4 + 2 + 2 + 2 +attribute.Length+ 2 + 2 + pathSegmentValue.Length + 2 + nlrPrefix.Length),19)
* UpdateMessage UPDATE = new UpdateMessage(2, 4, 6, IPAddress.Parse("101.0.0.0"), 24, 9, 1, 2, "myAttr", 2, 4, "MyPathSeg", 4, IPAddress.Parse("102.0.0.0"));
* Console.WriteLine("UPDATE MESSAGE CHECK:");
* Console.WriteLine(string.Join(":", UPDATE.BGPmessage));
*
* //NotificationMessage(ushort type, ushort errorCode, ushort errorSubCode, string data)
* NotificationMessage NOTIFICARION = new NotificationMessage(3, 3, 6, "Invalid ORIGIN Attribute");
* Console.WriteLine("NOTIFICATION MESSAGE CHECK:");
* Console.WriteLine(string.Join(":", NOTIFICARION.BGPmessage));
*
* FinateStateMachine FSM = new FinateStateMachine();
* FSM.Timers();
*
* FSM.StartBGPConnectionMethod(true);
* FSM.StopBGPConnectionMethod(true);
*
* FSM.TcpConnectionAckd(true);
* FSM.TcpConnectionConformed(true);
* FSM.TcpConnectionFailed(true);
* FSM.BGPHederError(true);
* FSM.BGPOpenMsgSent(true);
* FSM.BGPOpenMsgError(true);
* FSM.BGPKeepAliveMsgSend(true);
* FSM.BGPNotifyMsgSent(true);
* FSM.BGPNotifyMsgErrorSent(true);
* FSM.BGPUpdateMsgSent(true);
* FSM.BGPUpdateMsgError(true);
**/
/**
* FSM.ConnectionRetry(new TimeSpan(0, 0, 5));
* FSM.StopConnectionHold(new TimeSpan(0, 0, 6));
* FSM.StopConnectionKeepalive(new TimeSpan(0, 0, 7));
**/
// Keep the console window open in debug mode.
}
