void identHTTP()
{
int place;
string possibleName = readFromPosToChar(analyse, 6, '\r', out place);
if (possibleName.Contains(" HTTP/1"))
{
//then its 1 or 1.1
rData.name = readFromPosToChar(analyse, 6, ' ', out place);
string http = readFromPosToChar(analyse, place, '\r', out place);
if (http == " HTTP/1.0")
{
Protocol = pFlags.h0; //0.9?
}
else if (http == " HTTP/1.1")
{
Protocol = pFlags.h1; //0.9?
}
}
else
{
Protocol = pFlags.h9; //0.9?
rData.name = possibleName;
}
}
public void resetCachedData()
{
initialised = false;
analyse = "";
Protocol = pFlags.whois;
rData.location = "";
rData.name = "";
rData.nameOnly = false;
error = false;
}
public pFlags Protocol = pFlags.whois; //set default protocol
public ProtocolParsing(string[] args)
{
bool pF = false, hF = false; //Port Flag (changed), Host Flag (changed)
bool skipNext = false; //skip next data item (as it belongs to the last flag)
List <string> RemainingData = new List <string>(); //Data that's left once flags are removed.
foreach (string arg in args)
{
if ((arg == "" || arg == " " || arg == "\0") && (RemainingData.Count == 1 || RemainingData.Count == 2))
{
System.Environment.Exit(1);
}
if (skipNext != true)
{
switch (arg)
{
case "-help":
help = true;
break;
case "-h9":
Protocol = pFlags.h9;
break;
case "-h0":
Protocol = pFlags.h0;
break;
case "-h1":
Protocol = pFlags.h1;
break;
case "-h":
skipNext = true;
hF = true;
break;
case "-p":
skipNext = true;
pF = true;
break;
default:
RemainingData.Add(arg);
break;
}
}
else
{
if (hF == true) //Set new host.
{
NetInterface.host = arg;
hF = false;
}
if (pF == true) //Set new port
{
int newPort;
NetInterface.port = int.TryParse(arg, out newPort) ? newPort : 43;
pF = false;
}
skipNext = false;
}
}
rData.nameOnly = true;
if (RemainingData.Count != 0 && help == false)
{
rData.name = RemainingData[0];
if (RemainingData.Count > 1)
{
rData.location = RemainingData[1];
rData.nameOnly = false;
}
}
else
{
help = true;
}
if (help == true && RemainingData.Count == 0)
{
Console.ForegroundColor = ConsoleColor.White;
Console.Write("(c)AndyWM, 2015. ACW University of Hull - 1415\n\n");
Console.Write("--------------------------------------------\n");
Console.Write("location is a location look_up client\n\n");
Console.Write("USAGE: \n");
Console.Write(" 1. location <name> [location] [-h9] [-h0] [-h1] [-h host] [-p port]\n");
Console.Write(" 2. location <-help>\n\n");
Console.Write(" <name> : look up name on server");
Console.Write(" [location] : updates <name>'s location\n");
Console.Write(" [-h9] : send via HTTP0.9 Protocol\n");
Console.Write(" [-h0] : send via HTTP1.0 Protocol\n");
Console.Write(" [-h1] : send via HTTP1.0 Protocol\n");
Console.Write(" [-h host] : send to host\n");
Console.Write(" [-p port] : send to port at host\n");
Console.Write(" <-help> : displays help\n");
Console.Write(" If multiple https are set, the last set will be used\n");
Console.Write(" If set, [location] MUST follow <name>\n");
Console.ForegroundColor = ConsoleColor.Gray;
}
}
public void formatForRead()
{
int lastPos;
string conditional = analyse;
if (conditional.Length >= 3)
{
conditional = analyse.Substring(0, 5);
}
else
{
conditional = "";
}
if (conditional == "GET /" || conditional == "PUT /")
{ //pad to make all modes the same length.
analyse = " " + analyse;
conditional = analyse.Substring(0, 5); // GET /
}
if (analyse.Length > 6)
{
conditional = analyse.Substring(0, 6);
if (conditional == " GET /")
{//don't parse for location and ID HTTP version.
rData.nameOnly = true;
identHTTP();
}
if (conditional == "POST /" || conditional == " PUT /")
{//prase for location and ID HTTP version.
rData.nameOnly = false;
identHTTP();
rData.location = readFromPosToChar(analyse, analyse.Length - 3, '\n', out lastPos, true); //ignore terminating \r\n. Grab the Sequence between that and the last \n.
}
}
if (Protocol != pFlags.h0 && Protocol != pFlags.h1 && Protocol != pFlags.h9)
{
string what = analyse.Substring(analyse.Length - 2, 2);
if (analyse.Substring(analyse.Length - 2, 2) == "\r\n")
{
Protocol = pFlags.whois;
if (readFromPosToChar(analyse, 0, ' ', out lastPos) == "")
{
rData.nameOnly = true;
}
if (rData.nameOnly)
{
rData.name = analyse.Substring(0, analyse.Length - 2);
}
else
{
//set request info.
rData.name = readFromPosToChar(analyse, 0, ' ', out lastPos);
rData.location = readFromPosToChar(analyse, lastPos + 1, '\r', out lastPos);
}
}
}
}