public static AcceptSocket Bind(UnixDomainSocketEndPoint unixDomainSocketEndPoint, ChannelWriter <ConnectionContext> acceptQueue, IoUringOptions options)
{
var socketPath = unixDomainSocketEndPoint.ToString();
var s = new LinuxSocket(AF_UNIX, SOCK_STREAM, 0, blocking: false);
File.Delete(socketPath);
s.Bind(unixDomainSocketEndPoint);
s.Listen(options.ListenBacklog);
return(new AcceptSocket(s, unixDomainSocketEndPoint, acceptQueue, null, options, null));
}
public static unsafe void ToSockAddr(this UnixDomainSocketEndPoint domainSocketEndPoint, sockaddr_un *addr)
{
var unixPath = domainSocketEndPoint.ToString();
*addr = default;
addr->sun_family = AF_UNIX;
var bytes = Encoding.UTF8.GetBytes(unixPath);
var length = Math.Min(bytes.Length, sockaddr_un.sun_path_length - 1);
bytes.AsSpan(0, length).CopyTo(new Span <byte>(addr->sun_path, length));
addr->sun_path[length] = 0;
}
public void ProfilerCommandToActivity_UsesOtherEndPointAsEndPoint()
{
var unixEndPoint = new UnixDomainSocketEndPoint("https://opentelemetry.io/");
var activity = new Activity("redis-profiler");
var profiledCommand = new Mock <IProfiledCommand>();
profiledCommand.Setup(m => m.EndPoint).Returns(unixEndPoint);
var result = RedisProfilerEntryToActivityConverter.ProfilerCommandToActivity(activity, profiledCommand.Object);
Assert.Contains(result.Tags, kvp => kvp.Key == SemanticConventions.AttributePeerService);
Assert.Equal(unixEndPoint.ToString(), result.Tags.FirstOrDefault(kvp => kvp.Key == SemanticConventions.AttributePeerService).Value);
}
public void ProfilerCommandToActivity_UsesOtherEndPointAsEndPoint()
{
var unixEndPoint = new UnixDomainSocketEndPoint("https://opentelemetry.io/");
var activity = new Activity("redis-profiler");
var profiledCommand = new Mock <IProfiledCommand>();
profiledCommand.Setup(m => m.CommandCreated).Returns(DateTime.UtcNow);
profiledCommand.Setup(m => m.EndPoint).Returns(unixEndPoint);
var result = RedisProfilerEntryToActivityConverter.ProfilerCommandToActivity(activity, profiledCommand.Object, new StackExchangeRedisCallsInstrumentationOptions());
Assert.NotNull(result.GetTagValue(SemanticConventions.AttributePeerService));
Assert.Equal(unixEndPoint.ToString(), result.GetTagValue(SemanticConventions.AttributePeerService));
}
static void Main(string[] args)
{
var endpoint = new UnixDomainSocketEndPoint("server.sock");
using (Socket client = new Socket(AddressFamily.Unix, SocketType.Stream, ProtocolType.Unspecified))
{
Console.WriteLine($"client: connecting to {endpoint.ToString()}");
client.Connect(endpoint);
var bytes = new byte[100];
int received = client.Receive(bytes);
Console.WriteLine($"received: {received} bytes, {Encoding.UTF8.GetString(bytes)}");
Console.WriteLine($"client PID: {Process.GetCurrentProcess().Id}");
}
}
