public static byte[] ToData(FyzrPacket packet)
{
//Console.WriteLine("To Data: \n" + packet.ToString());
List <byte> data = new List <byte>();
data.AddRange(Encoding.ASCII.GetBytes(packet.method.ToString()));
data.Add((byte)'\n');
foreach (KeyValuePair <string, string> entry in packet.headers)
{
string line = "";
line += entry.Key + ": " + entry.Value + "\n";
data.AddRange(Encoding.ASCII.GetBytes(line));
}
data.Add((byte)'\n');
if (packet.body != null)
{
data.AddRange(packet.body);
}
return(data.ToArray());
}
public static FyzrPacket CreateFilePacket(byte[] segment, string fileName, MessageType type, string to)
{
FyzrPacket packet = new FyzrPacket();
packet.method = FyzrPacket.Method.FILE;
packet.headers.Add("Chat-Type", "" + type);
packet.headers.Add("Filename", fileName);
if (to != null)
{
packet.headers.Add("To", to);
}
packet.body = segment;
packet.headers.Add("Content-Length", "" + packet.body.Length);
return(packet);
}
public static FyzrPacket CreateTextPacket(string message, MessageType type, string to)
{
FyzrPacket packet = new FyzrPacket();
packet.method = FyzrPacket.Method.TEXT;
packet.headers.Add("Content-Encoding", Encoding.Default.WebName);
packet.headers.Add("Chat-Type", "" + type);
if (to != null)
{
packet.headers.Add("To", to);
}
packet.body = Encoding.Default.GetBytes(message);
packet.headers.Add("Content-Length", "" + packet.body.Length);
return(packet);
}
public static FyzrPacket FromData(byte[] data)
{
Phase phase = Phase.METHOD;
FyzrPacket packet = new FyzrPacket();
string method = "";
string header = "";
int newLineCounter = 0;
int bodyCounter = 0;
foreach (byte b in data)
{
switch (phase)
{
case Phase.METHOD:
if (b == '\n')
{
phase = Phase.HEADER;
try
{
packet.method = (FyzrPacket.Method)Enum.Parse(typeof(FyzrPacket.Method), method);
} catch (Exception)
{
packet.method = FyzrPacket.Method.UNKNOWN;
}
}
else
{
method += (char)b;
}
break;
case Phase.HEADER:
if (b == '\n')
{
newLineCounter++;
header += '\n';
if (newLineCounter == 2)
{
phase = Phase.BODY;
string[] lines = header.Split(new char[] { '\n' });
foreach (string line in lines)
{
string[] pair = line.Split(new char[] { ':' });
if (pair.Length == 2)
{
packet.headers.Add(pair[0].Trim(), pair[1].Trim());
}
}
}
}
else
{
header += (char)b;
newLineCounter = 0;
}
break;
case Phase.BODY:
if (packet.body == null)
{
int length = Convert.ToInt32(packet.headers["Content-Length"]);
packet.body = new byte[length];
}
packet.body[bodyCounter++] = b;
break;
}
}
// Console.WriteLine("From Data: \n" + packet.ToString());
return(packet);
}
