private Atom CreatePCPHelo()
{
var helo = new AtomCollection();
helo.SetHeloAgent(PeerCast.AgentName);
helo.SetHeloSessionID(PeerCast.SessionID);
switch (PeerCast.GetPortStatus(Channel.NetworkAddressFamily))
{
case PortStatus.Open:
{
var listener = PeerCast.FindListener(
connection.RemoteEndPoint.Address,
OutputStreamType.Relay | OutputStreamType.Metadata);
helo.SetHeloPort(listener.LocalEndPoint.Port);
}
break;
case PortStatus.Firewalled:
break;
case PortStatus.Unknown:
{
var listener = PeerCast.FindListener(
connection.RemoteEndPoint.Address,
OutputStreamType.Relay | OutputStreamType.Metadata);
if (listener != null)
{
helo.SetHeloPing(listener.LocalEndPoint.Port);
}
}
break;
}
PCPVersion.SetHeloVersion(helo);
return(new Atom(Atom.PCP_HELO, helo));
}
public virtual void SendPCPHelo()
{
Logger.Debug("Handshake Started");
var helo = new AtomCollection();
helo.SetHeloAgent(PeerCast.AgentName);
helo.SetHeloSessionID(PeerCast.SessionID);
if (PeerCast.IsFirewalled.HasValue)
{
if (PeerCast.IsFirewalled.Value)
{
//Do nothing
}
else
{
var listener = PeerCast.FindListener(
RemoteEndPoint.Address,
OutputStreamType.Relay | OutputStreamType.Metadata);
helo.SetHeloPort(listener.LocalEndPoint.Port);
}
}
else
{
var listener = PeerCast.FindListener(
RemoteEndPoint.Address,
OutputStreamType.Relay | OutputStreamType.Metadata);
if (listener != null)
{
helo.SetHeloPing(listener.LocalEndPoint.Port);
}
}
helo.SetHeloVersion(PCP_VERSION);
Send(new Atom(Atom.PCP_HELO, helo));
}
private bool SendPCPHelo()
{
var helo = new AtomCollection();
helo.SetHeloAgent(PeerCast.AgentName);
helo.SetHeloSessionID(PeerCast.SessionID);
if (PeerCast.IsFirewalled.HasValue)
{
if (PeerCast.IsFirewalled.Value)
{
//Do nothing
}
else
{
var listener = PeerCast.FindListener(
RemoteEndPoint.Address,
OutputStreamType.Relay | OutputStreamType.Metadata);
helo.SetHeloPort(listener.LocalEndPoint.Port);
}
}
else
{
var listener = PeerCast.FindListener(
RemoteEndPoint.Address,
OutputStreamType.Relay | OutputStreamType.Metadata);
if (listener != null)
{
helo.SetHeloPing(listener.LocalEndPoint.Port);
}
}
PCPVersion.SetHeloVersion(helo);
try {
connection.Send(stream => {
AtomWriter.Write(stream, new Atom(Atom.PCP_HELO, helo));
});
}
catch (IOException e) {
Logger.Info(e);
Stop(StopReason.ConnectionError);
return(false);
}
return(true);
}
private void PostHostInfo(AtomCollection parent, Channel channel, bool playing)
{
var hostinfo = new AtomCollection();
hostinfo.SetHostChannelID(channel.ChannelID);
hostinfo.SetHostSessionID(PeerCast.SessionID);
var globalendpoint = PeerCast.GetGlobalEndPoint(AddressFamily.InterNetwork, OutputStreamType.Relay);
if (globalendpoint != null)
{
hostinfo.AddHostIP(globalendpoint.Address);
hostinfo.AddHostPort(globalendpoint.Port);
}
var localendpoint = PeerCast.GetLocalEndPoint(AddressFamily.InterNetwork, OutputStreamType.Relay);
if (localendpoint != null)
{
hostinfo.AddHostIP(localendpoint.Address);
hostinfo.AddHostPort(localendpoint.Port);
}
hostinfo.SetHostNumListeners(channel.TotalDirects);
hostinfo.SetHostNumRelays(channel.TotalRelays);
hostinfo.SetHostUptime(channel.Uptime);
if (channel.Contents.Count > 0)
{
hostinfo.SetHostOldPos((uint)(channel.Contents.Oldest.Position & 0xFFFFFFFFU));
hostinfo.SetHostNewPos((uint)(channel.Contents.Newest.Position & 0xFFFFFFFFU));
}
PCPVersion.SetHostVersion(hostinfo);
var relayable = PeerCast.AccessController.IsChannelRelayable(channel);
var playable = PeerCast.AccessController.IsChannelPlayable(channel) && PeerCast.FindListener(remoteEndPoint.Address, OutputStreamType.Play) != null;
var firewalled = !PeerCast.IsFirewalled.HasValue || PeerCast.IsFirewalled.Value || PeerCast.FindListener(remoteEndPoint.Address, OutputStreamType.Relay) == null;
var receiving = playing && channel.Status == SourceStreamStatus.Receiving;
hostinfo.SetHostFlags1(
(relayable ? PCPHostFlags1.Relay : 0) |
(playable ? PCPHostFlags1.Direct : 0) |
(firewalled ? PCPHostFlags1.Firewalled : 0) |
PCPHostFlags1.Tracker |
(receiving ? PCPHostFlags1.Receiving : PCPHostFlags1.None));
parent.SetHost(hostinfo);
}
private void AnnounceThreadProc()
{
Logger.Debug("Thread started");
var host = Uri.DnsSafeHost;
var port = Uri.Port;
if (port < 0)
{
port = DefaultPort;
}
while (!IsStopped)
{
int next_update = Environment.TickCount;
posts.Clear();
try {
Logger.Debug("Connecting to YP");
AnnouncingStatus = AnnouncingStatus.Connecting;
using (var client = new TcpClient(host, port)) {
using (var stream = client.GetStream()) {
AtomWriter.Write(stream, new Atom(new ID4("pcp\n"), (int)1));
var helo = new AtomCollection();
Logger.Debug("Sending Handshake");
helo.SetHeloAgent(PeerCast.AgentName);
helo.SetHeloVersion(1218);
helo.SetHeloSessionID(PeerCast.SessionID);
helo.SetHeloBCID(PeerCast.BroadcastID);
if (PeerCast.IsFirewalled.HasValue)
{
if (PeerCast.IsFirewalled.Value)
{
//Do nothing
}
else
{
var listener = PeerCast.FindListener(
((IPEndPoint)client.Client.RemoteEndPoint).Address,
OutputStreamType.Relay | OutputStreamType.Metadata);
if (listener != null)
{
helo.SetHeloPort(listener.LocalEndPoint.Port);
}
}
}
else
{
var listener = PeerCast.FindListener(
((IPEndPoint)client.Client.RemoteEndPoint).Address,
OutputStreamType.Relay | OutputStreamType.Metadata);
if (listener != null)
{
helo.SetHeloPing(listener.LocalEndPoint.Port);
}
}
AtomWriter.Write(stream, new Atom(Atom.PCP_HELO, helo));
while (!IsStopped)
{
var atom = AtomReader.Read(stream);
if (atom.Name == Atom.PCP_OLEH)
{
OnPCPOleh(atom);
break;
}
else if (atom.Name == Atom.PCP_QUIT)
{
Logger.Debug("Handshake aborted by PCP_QUIT ({0})", atom.GetInt32());
throw new QuitException();
}
if (restartEvent.WaitOne(10))
{
throw new RestartException();
}
}
Logger.Debug("Handshake succeeded");
AnnouncingStatus = AnnouncingStatus.Connected;
while (!IsStopped)
{
if (next_update - Environment.TickCount <= 0)
{
Logger.Debug("Sending channel info");
lock (announcingChannels) {
foreach (var announcing in announcingChannels)
{
PostChannelBcst(announcing.Channel, true);
}
}
next_update = Environment.TickCount + 30000;
}
if (stream.DataAvailable)
{
Atom atom = AtomReader.Read(stream);
ProcessAtom(atom);
}
lock (posts) {
foreach (var atom in posts)
{
AtomWriter.Write(stream, atom);
}
posts.Clear();
}
if (restartEvent.WaitOne(10))
{
throw new RestartException();
}
}
lock (posts) {
foreach (var atom in posts)
{
AtomWriter.Write(stream, atom);
}
posts.Clear();
}
Logger.Debug("Closing connection");
AtomWriter.Write(stream, new Atom(Atom.PCP_QUIT, Atom.PCP_ERROR_QUIT));
}
}
}
catch (RestartException) {
Logger.Debug("Connection retrying");
AnnouncingStatus = AnnouncingStatus.Connecting;
}
catch (BannedException) {
AnnouncingStatus = AnnouncingStatus.Error;
Logger.Error("Your BCID is banned");
break;
}
catch (QuitException) {
AnnouncingStatus = AnnouncingStatus.Error;
}
catch (SocketException e) {
AnnouncingStatus = AnnouncingStatus.Error;
Logger.Info(e);
}
catch (IOException e) {
AnnouncingStatus = AnnouncingStatus.Error;
Logger.Info(e);
}
Logger.Debug("Connection closed");
if (!IsStopped)
{
restartEvent.WaitOne(10000);
}
else
{
AnnouncingStatus = AnnouncingStatus.Idle;
}
}
Logger.Debug("Thread finished");
}
