private async Task Names_R4(IOtpTransport socket) { try { if (traceLevel >= traceThreshold) { Logger.Debug("<- NAMES(r4) "); } OtpOutputStream obuf = new OtpOutputStream(); obuf.Write4BE(EpmdPort); foreach (var node in portmap.Values) { byte[] bytes = Encoding.GetEncoding("ISO-8859-1").GetBytes($"name {node.Alive} at port {node.Port}\n"); obuf.WriteN(bytes); Logger.Debug($"-> name {node.Alive} at port {node.Port}"); } await obuf.WriteToAsync(socket.OutputStream); } catch (IOException e) { if (traceLevel >= traceThreshold) { Logger.Debug("<- (no response)"); } throw new IOException("Request not responding", e); } }
private async Task Port_R4(IOtpTransport socket, OtpInputStream ibuf) { try { int len = (int)(ibuf.Length - 1); byte[] alive = ibuf.ReadN(len); string name = OtpErlangString.FromEncoding(alive); if (traceLevel >= traceThreshold) { Logger.Debug($"<- PORT (r4) {name}"); } if (!portmap.TryGetValue(name, out AbstractNode node)) { node = null; } OtpOutputStream obuf = new OtpOutputStream(); if (node != null) { obuf.Write1(port4resp); obuf.Write1(0); obuf.Write2BE(node.Port); obuf.Write1(node.Type); obuf.Write1(node.Proto); obuf.Write2BE(node.DistHigh); obuf.Write2BE(node.DistLow); obuf.Write2BE(len); obuf.WriteN(alive); obuf.Write2BE(0); if (traceLevel >= traceThreshold) { Logger.Debug("-> 0 (success)"); } } else { obuf.Write1(port4resp); obuf.Write1(1); if (traceLevel >= traceThreshold) { Logger.Debug("-> 1 (failure)"); } } await obuf.WriteToAsync(socket.OutputStream); } catch (IOException e) { if (traceLevel >= traceThreshold) { Logger.Debug("<- (no response)"); } throw new IOException("Request not responding", e); } }
private async Task <string> Publish_R4(IOtpTransport socket, OtpInputStream ibuf) { try { int port = ibuf.Read2BE(); int type = ibuf.Read1(); int proto = ibuf.Read1(); int distHigh = ibuf.Read2BE(); int distLow = ibuf.Read2BE(); string name = ibuf.ReadStringData(); ibuf.ReadStringData(); // extra AbstractNode node = new AbstractNode() { Node = name, Port = port, Type = type, DistHigh = distHigh, DistLow = distLow, Proto = proto }; if (traceLevel >= traceThreshold) { Logger.Debug($"<- PUBLISH (r4) {name} port={node.Port}"); } OtpOutputStream obuf = new OtpOutputStream(); obuf.Write1(ALIVE2_RESP); obuf.Write1(0); obuf.Write2BE(NextCreation()); await obuf.WriteToAsync(socket.OutputStream); portmap.TryAdd(name, node); return(name); } catch (IOException e) { if (traceLevel >= traceThreshold) { Logger.Debug("<- (no response)"); } throw new IOException("Request not responding", e); } }