protected void SBParseMSG(PacketStream stream, TransactionNode payloadNode, int payloadLength)
{
List<PacketSlice> slices = new List<PacketSlice>(2);
string content = stream.PeekStringUTF8(payloadLength);
TransactionNode headersNode = new TransactionNode(payloadNode, "Headers");
int pos = content.IndexOf("\r\n\r\n");
string headers = content.Substring(0, pos);
string[] lines = headers.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
foreach (string line in lines)
{
stream.ReadBytes(StaticUtils.GetUTF8ByteCount(line), slices);
string[] tokens = line.Split(new char[] { ':' }, 2);
tokens[1] = tokens[1].TrimStart(new char[] { ' ' });
headersNode.AddField(tokens[0], tokens[1], "Message header field.", slices);
// Skip CRLF
stream.ReadBytes(2);
}
// Skip extra CRLF
stream.ReadBytes(2);
int bodyLength = payloadLength - StaticUtils.GetUTF8ByteCount(headers) - 4;
if (bodyLength > 0)
{
TransactionNode bodyNode = new TransactionNode(payloadNode, "Body");
string contentType = (string)headersNode.Fields["Content-Type"];
contentType = contentType.Split(new char[] { ';' }, 2)[0];
if (contentType == "application/x-msnmsgrp2p")
{
ReadNextP2PMessageChunk(stream, bodyNode);
UInt32 appID = stream.ReadU32BE(slices);
bodyNode.AddField("AppID", appID, "Application ID.", slices);
}
else if (contentType == "text/x-msmsgsinvite")
{
string bodyStr = stream.ReadStringUTF8(bodyLength, slices);
bodyNode.AddTextField("Body", bodyStr, "Invite body.", slices);
}
else
{
string bodyStr = stream.ReadStringUTF8(bodyLength, slices);
bodyNode.AddField("Body", bodyStr, "Body.", slices);
}
}
}
