public static RtmptRequest DecodeBuffer(RtmpConnection connection, ByteBuffer stream) {
RtmpContext context = connection.Context;
int position = (int)stream.Position;
try {
BufferStreamReader sr = new BufferStreamReader(stream);
string request = sr.ReadLine();
string[] tokens = request.Split(new char[] { ' ' });
string method = tokens[0];
string url = tokens[1];
// Decode all encoded parts of the URL using the built in URI processing class
int i = 0;
while ((i = url.IndexOf("%", i)) != -1) {
url = url.Substring(0, i) + Uri.HexUnescape(url, ref i) + url.Substring(i);
}
// Lets just make sure we are using HTTP, thats about all I care about
string protocol = tokens[2];// "HTTP/"
//Read headers
Hashtable headers = new Hashtable();
string line;
string name = null;
while ((line = sr.ReadLine()) != null && line != string.Empty) {
// If the value begins with a space or a hard tab then this
// is an extension of the value of the previous header and
// should be appended
if (name != null && Char.IsWhiteSpace(line[0])) {
headers[name] += line;
continue;
}
// Headers consist of [NAME]: [VALUE] + possible extension lines
int firstColon = line.IndexOf(":");
if (firstColon != -1) {
name = line.Substring(0, firstColon);
string value = line.Substring(firstColon + 1).Trim();
headers[name] = value;
} else {
//400, "Bad header: " + line
break;
}
}
RtmptRequest rtmptRequest = new RtmptRequest(connection, url, protocol, method, headers);
if (stream.Remaining == rtmptRequest.ContentLength) {
stream.Compact();
rtmptRequest.Data = ByteBuffer.Wrap(stream.ToArray());
stream.Flip();
return rtmptRequest;
} else {
// Move the position back to the start
stream.Position = position;
}
} catch {
// Move the position back to the start
stream.Position = position;
throw;
}
return null;
}
private void ReturnMessage(RtmptConnection connection, ByteBuffer data, HttpResponse response) {
response.StatusCode = 200;
response.ClearHeaders();
response.AppendHeader("Connection", "Keep-Alive");
int contentLength = data.Limit + 1;
response.AppendHeader("Content-Length", contentLength.ToString());
response.Cache.SetCacheability(HttpCacheability.NoCache);
response.ContentType = ContentType.RTMPT;
response.Write((char)connection.PollingDelay);
byte[] buffer = data.ToArray();
response.OutputStream.Write(buffer, 0, buffer.Length);
response.Flush();
}
private void ReturnMessage(RtmptConnection connection, ByteBuffer data, RtmptRequest request) {
ByteBuffer buffer = ByteBuffer.Allocate((int)data.Length + 30);
StreamWriter sw = new StreamWriter(buffer);
int contentLength = data.Limit + 1;
if (request.HttpVersion == 1) {
sw.Write("HTTP/1.1 200 OK\r\n");
sw.Write("Cache-Control: no-cache\r\n");
} else {
sw.Write("HTTP/1.0 200 OK\r\n");
sw.Write("Pragma: no-cache\r\n");
}
sw.Write(string.Format("Content-Length: {0}\r\n", contentLength));
sw.Write("Connection: Keep-Alive\r\n");
sw.Write(string.Format("Content-Type: {0}\r\n", ContentType.RTMPT));
sw.Write("\r\n");
sw.Write((char)connection.PollingDelay);
sw.Flush();
BinaryWriter bw = new BinaryWriter(buffer);
byte[] buf = data.ToArray();
bw.Write(buf);
bw.Flush();
request.Connection.Write(buffer);
}
public override void Write(ByteBuffer buffer) {
byte[] buf = buffer.ToArray();
Write(buf);
}
