private void OnClientMessage(ITcpChannel channel, object message)
{
// Let us get the actual channel to send the message to
EslDecodedMessage decoded = message as EslDecodedMessage;
_log.Debug("Received a new message from Client [#{0}--Address={1}] ", channel.ChannelId, channel.RemoteEndpoint);
_log.Debug("Message :[{0}]", decoded.OriginalMessage);
try {
FreeSwitch freeSwitch;
var fetched = _clients.TryGetValue(channel.ChannelId, out freeSwitch);
if (fetched)
{
freeSwitch.MessageReceived(channel, message);
}
}
catch (Exception) {
// ignored
}
}
/// <summary>
/// We've received bytes from the socket. Build a message out of them.
/// </summary>
/// <param name="buffer"></param>
public void ProcessReadBytes(ISocketBuffer buffer)
{
// buffer offset received
var offsetInSocketBuffer = buffer.Offset;
// Number of Bytes received
_bytesReceived = buffer.BytesTransferred;
while (true)
{
if (_bytesReceived <= 0)
{
break;
}
Buffer.BlockCopy(buffer.Buffer, offsetInSocketBuffer, _buffer, _offsetInOurBuffer, buffer.BytesTransferred);
string textReceived = _encoding.GetString(_buffer);
textReceived = textReceived.TrimStart(LINE_FEED_CHAR).Replace("\0", string.Empty);
if (!textReceived.Contains(MESSAGE_END_STRING))
{
_offsetInOurBuffer += _bytesReceived;
return;
}
int contentLength = 0;
string headerLine = textReceived.Substring(0, textReceived.IndexOf(MESSAGE_END_STRING, StringComparison.Ordinal));
var headers = ReadHeaderLines(headerLine);
if (headers != null &&
headers.Count > 0)
{
if (headers.ContainsKey("Content-Length"))
{
contentLength = int.Parse(headers["Content-Length"]);
}
}
int len;
if (contentLength <= 0)
{
// Message does not have content length only headers.
var decodedMessage = new EslDecodedMessage(headerLine, string.Empty, textReceived);
MessageReceived(decodedMessage);
Clear();
// Let us check whether there is another message in the buffer sent
textReceived = textReceived.Substring(textReceived.IndexOf(MESSAGE_END_STRING, StringComparison.Ordinal) + MESSAGE_END_STRING.Length);
if (string.IsNullOrEmpty(textReceived) ||
textReceived.Equals(MESSAGE_END_STRING) ||
textReceived.Equals(EOL))
{
continue;
}
// Length of extra bytes
len = _encoding.GetByteCount(textReceived);
_encoding.GetBytes(textReceived, 0, textReceived.Length, _buffer, 0);
_offsetInOurBuffer += len;
}
else
{
// Message does have body as well as header.
string bodyLine = textReceived.Substring(textReceived.IndexOf(MESSAGE_END_STRING, StringComparison.Ordinal) + MESSAGE_END_STRING.Length);
if (string.IsNullOrEmpty(bodyLine))
{
len = _encoding.GetByteCount(textReceived);
// We need to read more bytes for the body
_offsetInOurBuffer += len;
return;
}
// body has been read. However there are more to read to make it complete
if (bodyLine.Length < contentLength)
{
// get the count of the received bytes
len = _encoding.GetByteCount(textReceived);
// The body is not yet complete we need to read more
_offsetInOurBuffer += len;
return;
}
// body has been fully read
if (contentLength == bodyLine.Length)
{
MessageReceived(new EslDecodedMessage(headerLine, bodyLine, textReceived));
Clear();
return;
}
// There is another message in the buffer
if (bodyLine.Length > contentLength)
{
string bodyLine2 = bodyLine.Substring(0, contentLength);
MessageReceived(new EslDecodedMessage(headerLine, bodyLine2, headerLine + bodyLine2));
Clear();
textReceived = bodyLine.Remove(bodyLine.IndexOf(bodyLine2, StringComparison.Ordinal), bodyLine2.Length);
if (string.IsNullOrEmpty(textReceived) ||
textReceived.Equals(MESSAGE_END_STRING) ||
textReceived.Equals(EOL))
{
return;
}
// Length of extra bytes
len = _encoding.GetByteCount(textReceived);
_encoding.GetBytes(textReceived, 0, textReceived.Length, _buffer, 0);
_offsetInOurBuffer += len;
}
}
}
}
/// <summary>
/// We've received bytes from the socket. Build a message out of them.
/// </summary>
/// <param name="buffer"></param>
public void ProcessReadBytes(ISocketBuffer buffer) {
// buffer offset received
var offsetInSocketBuffer = buffer.Offset;
// Number of Bytes received
_bytesReceived = buffer.BytesTransferred;
while (true) {
if (_bytesReceived <= 0) break;
Buffer.BlockCopy(buffer.Buffer, offsetInSocketBuffer, _buffer, _offsetInOurBuffer, buffer.BytesTransferred);
string textReceived = _encoding.GetString(_buffer);
textReceived = textReceived.TrimStart(LINE_FEED_CHAR).Replace("\0", string.Empty);
if (!textReceived.Contains(MESSAGE_END_STRING)) {
_offsetInOurBuffer += _bytesReceived;
return;
}
int contentLength = 0;
string headerLine = textReceived.Substring(0, textReceived.IndexOf(MESSAGE_END_STRING, StringComparison.Ordinal));
var headers = ReadHeaderLines(headerLine);
if (headers != null
&& headers.Count > 0)
if (headers.ContainsKey("Content-Length")) contentLength = int.Parse(headers["Content-Length"]);
int len;
if (contentLength <= 0) {
// Message does not have content length only headers.
var decodedMessage = new EslDecodedMessage(headerLine, string.Empty, textReceived);
MessageReceived(decodedMessage);
Clear();
// Let us check whether there is another message in the buffer sent
textReceived = textReceived.Substring(textReceived.IndexOf(MESSAGE_END_STRING, StringComparison.Ordinal) + MESSAGE_END_STRING.Length);
if (string.IsNullOrEmpty(textReceived)
|| textReceived.Equals(MESSAGE_END_STRING)
|| textReceived.Equals(EOL)) continue;
// Length of extra bytes
len = _encoding.GetByteCount(textReceived);
_encoding.GetBytes(textReceived, 0, textReceived.Length, _buffer, 0);
_offsetInOurBuffer += len;
}
else {
// Message does have body as well as header.
string bodyLine = textReceived.Substring(textReceived.IndexOf(MESSAGE_END_STRING, StringComparison.Ordinal) + MESSAGE_END_STRING.Length);
if (string.IsNullOrEmpty(bodyLine)) {
len = _encoding.GetByteCount(textReceived);
// We need to read more bytes for the body
_offsetInOurBuffer += len;
return;
}
// body has been read. However there are more to read to make it complete
if (bodyLine.Length < contentLength) {
// get the count of the received bytes
len = _encoding.GetByteCount(textReceived);
// The body is not yet complete we need to read more
_offsetInOurBuffer += len;
return;
}
// body has been fully read
if (contentLength == bodyLine.Length) {
MessageReceived(new EslDecodedMessage(headerLine, bodyLine, textReceived));
Clear();
return;
}
// There is another message in the buffer
if (bodyLine.Length > contentLength) {
string bodyLine2 = bodyLine.Substring(0, contentLength);
MessageReceived(new EslDecodedMessage(headerLine, bodyLine2, headerLine+ bodyLine2));
Clear();
textReceived = bodyLine.Remove(bodyLine.IndexOf(bodyLine2, StringComparison.Ordinal), bodyLine2.Length);
if (string.IsNullOrEmpty(textReceived)
|| textReceived.Equals(MESSAGE_END_STRING)
|| textReceived.Equals(EOL)) return;
// Length of extra bytes
len = _encoding.GetByteCount(textReceived);
_encoding.GetBytes(textReceived, 0, textReceived.Length, _buffer, 0);
_offsetInOurBuffer += len;
}
}
}
}