public virtual RelayRequestResponse RecvRelayRequestResponse()
{
RelayRequestResponse response = null;
if (Recv(s => { response = RelayRequestResponseReader.Read(s); }))
{
Logger.Debug("Relay response: {0}", response.StatusCode);
return(response);
}
else
{
return(null);
}
}
private async Task ProcessRelayRequest(CancellationToken cancel_token)
{
Logger.Debug("Sending Relay request: /channel/{0}", Channel.ChannelID.ToString("N"));
var host_header = remoteHost != null ? $"Host:{remoteHost}\r\n" : "";
if (remoteHost is DnsEndPoint)
{
var dnsendpoint = remoteHost as DnsEndPoint;
host_header = $"Host:{dnsendpoint.Host}:{dnsendpoint.Port}\r\n";
}
var req = System.Text.Encoding.UTF8.GetBytes(
$"GET /channel/{Channel.ChannelID.ToString("N")} HTTP/1.0\r\n" +
host_header +
$"User-Agent:{PeerCast.AgentName}\r\n" +
$"x-peercast-pcp:{Channel.GetPCPVersion()}\r\n" +
$"x-peercast-pos:{Channel.ContentPosition}\r\n" +
$"\r\n"
);
try {
await connection.Stream.WriteAsync(req, cancel_token).ConfigureAwait(false);
relayResponse = await ReadRequestResponseAsync(connection.Stream, cancel_token).ConfigureAwait(false);
Logger.Debug("Relay response: {0}", relayResponse.StatusCode);
if (relayResponse.StatusCode == 200 || relayResponse.StatusCode == 503)
{
return;
}
else
{
Logger.Info("Server responses {0} to GET {1}", relayResponse.StatusCode, SourceUri.PathAndQuery);
Stop(relayResponse.StatusCode == 404 ? StopReason.OffAir : StopReason.ConnectionError);
}
}
catch (IOException e) {
Logger.Info(e);
Stop(StopReason.ConnectionError);
}
}
private State WaitRelayResponse()
{
relayResponse = null;
bool longresponse = false;
try {
connection.Recv(stream => {
longresponse = stream.Length >= 2048;
relayResponse = RelayRequestResponseReader.Read(stream);
});
}
catch (IOException) {
Stop(StopReason.ConnectionError);
return(State.Disconnected);
}
if (relayResponse != null)
{
Logger.Debug("Relay response: {0}", relayResponse.StatusCode);
if (relayResponse.StatusCode == 200 || relayResponse.StatusCode == 503)
{
return(State.SendingHandshakeRequest);
}
else
{
Logger.Error("Server responses {0} to GET {1}", relayResponse.StatusCode, SourceUri.PathAndQuery);
Stop(relayResponse.StatusCode == 404 ? StopReason.OffAir : StopReason.UnavailableError);
return(State.Disconnected);
}
}
else if (longresponse)
{
Stop(StopReason.ConnectionError);
return(State.Disconnected);
}
else
{
return(State.WaitingRelayResponse);
}
}
private State WaitRelayResponse()
{
relayResponse = null;
bool longresponse = false;
try {
connection.Recv(stream => {
longresponse = stream.Length>=2048;
relayResponse = RelayRequestResponseReader.Read(stream);
});
}
catch (IOException) {
Stop(StopReason.ConnectionError);
return State.Disconnected;
}
if (relayResponse!=null) {
Logger.Debug("Relay response: {0}", relayResponse.StatusCode);
if (relayResponse.StatusCode==200 || relayResponse.StatusCode==503) {
return State.SendingHandshakeRequest;
}
else {
Logger.Error("Server responses {0} to GET {1}", relayResponse.StatusCode, SourceUri.PathAndQuery);
Stop(relayResponse.StatusCode==404 ? StopReason.OffAir : StopReason.UnavailableError);
return State.Disconnected;
}
}
else if (longresponse) {
Stop(StopReason.ConnectionError);
return State.Disconnected;
}
else {
return State.WaitingRelayResponse;
}
}
private async Task ProcessRelayRequest(CancellationToken cancel_token)
{
Logger.Debug("Sending Relay request: /channel/{0}", Channel.ChannelID.ToString("N"));
var host_header = remoteHost!=null ? $"Host:{remoteHost}\r\n" : "";
if (remoteHost is DnsEndPoint) {
var dnsendpoint = remoteHost as DnsEndPoint;
host_header = $"Host:{dnsendpoint.Host}:{dnsendpoint.Port}\r\n";
}
var req = System.Text.Encoding.UTF8.GetBytes(
$"GET /channel/{Channel.ChannelID.ToString("N")} HTTP/1.0\r\n" +
host_header +
$"User-Agent:{PeerCast.AgentName}\r\n" +
$"x-peercast-pcp:1\r\n" +
$"x-peercast-pos:{Channel.ContentPosition}\r\n" +
$"\r\n"
);
try {
await connection.Stream.WriteAsync(req, cancel_token);
relayResponse = await ReadRequestResponseAsync(connection.Stream, cancel_token);
Logger.Debug("Relay response: {0}", relayResponse.StatusCode);
if (relayResponse.StatusCode==200 || relayResponse.StatusCode==503) {
return;
}
else {
Logger.Info("Server responses {0} to GET {1}", relayResponse.StatusCode, SourceUri.PathAndQuery);
Stop(relayResponse.StatusCode==404 ? StopReason.OffAir : StopReason.UnavailableError);
}
}
catch (IOException e) {
Logger.Info(e);
Stop(StopReason.ConnectionError);
}
}