public void Env()
{
string myPid = Process.GetCurrentProcess().Handle.ToString();
// not set
using (var fds = new FdSequence(3))
{
ServiceManager.Reset(fds[0]);
Socket[] sockets = fds.GetListenSockets();
Assert.Equal(0, sockets.Length);
}
// set
using (var fds = new FdSequence(3))
{
ServiceManager.Reset(fds[0]);
Environment.SetEnvironmentVariable(LISTEN_FDS, fds.Count.ToString());
Environment.SetEnvironmentVariable(LISTEN_PID, myPid);
// Retrieve Sockets
Socket[] sockets = fds.GetListenSockets();
Assert.Equal(3, sockets.Length);
// Second call returns empty
sockets = ServiceManager.GetListenSockets();
Assert.Equal(0, sockets.Length);
}
ServiceManager.Reset(SD_LISTEN_FDS_START);
}
public void ListenSocketCanAccept(AddressFamily addressFamily)
{
// Travis doesn't have '::1' configured.
if (addressFamily == AddressFamily.InterNetworkV6 &&
Environment.GetEnvironmentVariable("TRAVIS") == "true")
{
return;
}
using (var fds = new FdSequence(3, addressFamily))
{
Socket[] sockets = fds.GetListenSockets(fds[0], fds.Count);
foreach (Socket server in sockets)
{
Assert.Equal(server.SocketType, SocketType.Stream);
Assert.Equal(server.AddressFamily, addressFamily);
Assert.Equal(server.ProtocolType, ProtocolType.Tcp);
using (var client = new Socket(addressFamily, SocketType.Stream, ProtocolType.Tcp))
{
client.Connect(server.LocalEndPoint);
using (var acceptedSocket = server.Accept())
{ }
}
}
}
}
public void Cloexec()
{
const int TimeOutSec = 10;
const int SleepMs = 10;
using (var fds = new FdSequence(1))
{
Socket[] sockets = fds.GetListenSockets(fds[0], fds.Count);
var socket = sockets[0];
using (var process = Process.Start("sleep", "10"))
{
string fdPath = $"/proc/{process.Handle}/fd/{GetFd(sockets[0])}";
bool fileExists = true;
for (int i = 0; fileExists && i < TimeOutSec * 1000 / SleepMs; i++)
{
fileExists = File.Exists(fdPath);
if (fileExists)
{
System.Threading.Thread.Sleep(SleepMs);
}
}
Assert.False(fileExists);
process.Kill();
}
}
}
public void PidMismatch()
{
using (var fds = new FdSequence(3))
{
string myPid = "1";
string listenPid = "2";
Socket[] sockets = fds.GetListenSockets(myPid, listenPid, fds[0], fds.Count);
Assert.Equal(0, sockets.Length);
}
}
public void CorrectHandle()
{
using (var fds = new FdSequence(3))
{
Socket[] sockets = fds.GetListenSockets(fds[0], fds.Count);
Assert.Equal(3, fds.Count);
for (int i = 0; i < fds.Count; i++)
{
Assert.Equal(fds[i], GetFd(sockets[i]));
}
}
}
public void Cloexec()
{
using (var fds = new FdSequence(1))
{
Socket[] sockets = fds.GetListenSockets(fds[0], fds.Count);
var socket = sockets[0];
using (var process = Process.Start("sleep", "10"))
{
string fdPath = $"/proc/{process.Handle}/fd/{GetFd(sockets[0])}";
Assert.False(File.Exists(fdPath));
process.Kill();
}
}
}
public void ListenSocketCanAccept()
{
using (var fds = new FdSequence(3))
{
Socket[] sockets = fds.GetListenSockets(fds[0], fds.Count);
foreach (Socket server in sockets)
{
Assert.Equal(server.SocketType, SocketType.Stream);
Assert.Equal(server.AddressFamily, AddressFamily.InterNetwork);
Assert.Equal(server.ProtocolType, ProtocolType.Tcp);
using (var client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
client.Connect(server.LocalEndPoint);
using (var acceptedSocket = server.Accept())
{ }
}
}
}
}