/// <summary>
/// Helper method to set up the socket when calling bind
/// </summary>
/// <param name="family">The address family to use</param>
private void SetupSocket(UnixAddressFamily family)
{
if (m_socket != -1)
{
throw new InvalidOperationException("The socket is already initialized");
}
// Create new socket
m_socket = Syscall.socket(family, UnixSocketType.SOCK_STREAM, 0);
// Allow address reuse
Syscall.setsockopt(m_socket, UnixSocketProtocol.SOL_SOCKET, UnixSocketOptionName.SO_REUSEADDR, 1);
var opts = Syscall.fcntl(m_socket, FcntlCommand.F_GETFL);
if (opts < 0)
{
throw new IOException($"Failed to get openflags from handle: {Stdlib.GetLastError()}");
}
opts |= (int)OpenFlags.O_NONBLOCK;
if (Syscall.fcntl(m_socket, FcntlCommand.F_SETFL, opts) < 0)
{
throw new IOException($"Failed to set socket O_NOBLOCK: {Stdlib.GetLastError()}");
}
m_handle = m_handler.MonitoredHandle(m_socket);
}
void WithSockets(UnixAddressFamily af, UnixSocketType type, UnixSocketProtocol protocol, Action <int, int> f)
{
int so1, so2;
if ((so1 = Syscall.socket(af, type, protocol)) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
try {
if ((so2 = Syscall.socket(af, type, protocol)) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
try {
SetTimeout(so1);
SetTimeout(so2);
f(so1, so2);
} finally {
if (Syscall.close(so2) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
}
} finally {
if (Syscall.close(so1) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
}
}
public static Int32 FromUnixAddressFamily(UnixAddressFamily value)
{
Int32 rval;
if (FromUnixAddressFamily(value, out rval) == -1)
{
ThrowArgumentException(value);
}
return(rval);
}
/// <summary>
/// Helper method to set up the socket when calling bind
/// </summary>
/// <param name="family">The address family to use</param>
private void SetupSocket(UnixAddressFamily family)
{
if (m_socket != -1)
{
throw new InvalidOperationException("The socket is already initialized");
}
// Create the socket
m_socket = Syscall.socket(family, UnixSocketType.SOCK_STREAM, 0);
// Allow address reuse
Syscall.setsockopt(m_socket, UnixSocketProtocol.SOL_SOCKET, UnixSocketOptionName.SO_REUSEADDR, 1);
}
void WithSockets (UnixAddressFamily af, UnixSocketType type, UnixSocketProtocol protocol, Action<int, int> f)
{
int so1, so2;
if ((so1 = Syscall.socket (af, type, protocol)) < 0)
UnixMarshal.ThrowExceptionForLastError ();
try {
if ((so2 = Syscall.socket (af, type, protocol)) < 0)
UnixMarshal.ThrowExceptionForLastError ();
try {
SetTimeout (so1);
SetTimeout (so2);
f (so1, so2);
} finally {
if (Syscall.close (so2) < 0)
UnixMarshal.ThrowExceptionForLastError ();
}
} finally {
if (Syscall.close (so1) < 0)
UnixMarshal.ThrowExceptionForLastError ();
}
}
public static bool TryToUnixAddressFamily (Int32 value, out UnixAddressFamily rval)
{
return ToUnixAddressFamily (value, out rval) == 0;
}
private static extern int ToUnixAddressFamily (Int32 value, out UnixAddressFamily rval);
public static Int32 FromUnixAddressFamily (UnixAddressFamily value)
{
Int32 rval;
if (FromUnixAddressFamily (value, out rval) == -1)
ThrowArgumentException (value);
return rval;
}
public static bool TryFromUnixAddressFamily (UnixAddressFamily value, out Int32 rval)
{
return FromUnixAddressFamily (value, out rval) == 0;
}
private static extern int FromUnixAddressFamily (UnixAddressFamily value, out Int32 rval);
public static bool TryToUnixAddressFamily(Int32 value, out UnixAddressFamily rval)
{
return(ToUnixAddressFamily(value, out rval) == 0);
}
private static extern int ToUnixAddressFamily(Int32 value, out UnixAddressFamily rval);
public static bool TryFromUnixAddressFamily(UnixAddressFamily value, out Int32 rval)
{
return(FromUnixAddressFamily(value, out rval) == 0);
}
private static extern int FromUnixAddressFamily(UnixAddressFamily value, out Int32 rval);