/// <summary>
/// Initializes a new instance of the <see cref="T:Ceen.Httpd.Cli.Runner.RunnerInstance"/> class.
/// </summary>
/// <param name="wrapper">The wrapper used to process requests.</param>
/// <param name="address">The address to listen on</param>
/// <param name="port">The port to listen on.</param>
/// <param name="usessl">If set to <c>true</c> use ssl.</param>
/// <param name="config">The server configuration.</param>
public RunnerInstance(IAppDomainWrappedRunner wrapper, string address, int port, bool usessl, ServerConfig config)
{
FieldInfo safe_handle_field = null;
var monoRuntime = Type.GetType("Mono.Runtime");
var monoVersion = new Version(0, 0);
if (monoRuntime != null)
{
var displayName = monoRuntime.GetMethod("GetDisplayName", BindingFlags.NonPublic | BindingFlags.Static);
if (displayName != null)
{
var displayString = (displayName.Invoke(null, null) as string) ?? string.Empty;
var versionstring = displayString.Split(' ').FirstOrDefault();
Version.TryParse(versionstring, out monoVersion);
}
}
// This bug is supposedly fixed in mono, but seems to have issues still
if (monoRuntime != null /* && monoVersion <= new Version(4, 6, 2) */)
{
safe_handle_field = typeof(Socket).GetField("safe_handle", BindingFlags.NonPublic | BindingFlags.Instance);
if (safe_handle_field == null)
{
safe_handle_field = typeof(Socket).GetField("m_Handle", BindingFlags.NonPublic | BindingFlags.Instance);
}
}
var pid = System.Diagnostics.Process.GetCurrentProcess().Id;
if (safe_handle_field == null)
{
m_handler = (socket, addr, id) =>
{
Wrapper.HandleRequest(socket.DuplicateAndClose(pid), addr, id);
};
}
else
{
m_handler = (socket, addr, id) =>
{
// Bugfix workaround for: https://bugzilla.xamarin.com/show_bug.cgi?id=47425
var prev_sh = safe_handle_field.GetValue(socket);
var s = socket.DuplicateAndClose(pid);
if (prev_sh != null)
{
GC.SuppressFinalize(prev_sh);
}
Wrapper.HandleRequest(s, addr, id);
};
}
RestartAsync(wrapper, address, port, usessl, config);
}
/// <summary>
/// Restarts this instance
/// </summary>
/// <param name="address">The address to listen on</param>
/// <param name="port">The port to listen on.</param>
/// <param name="usessl">If set to <c>true</c> use ssl.</param>
/// <param name="config">The server configuration.</param>
public async Task RestartAsync(IAppDomainWrappedRunner wrapper, string address, int port, bool usessl, ServerConfig config)
{
if (RunnerTask != null)
{
await StopAsync();
}
m_token = new CancellationTokenSource();
Port = port;
Config = config;
UseSSL = usessl;
Wrapper = wrapper;
Address = address;
ShouldStop = false;
RunnerTask = HttpServer.ListenToSocketAsync(
ParseUtil.ParseEndPoint(address, port),
usessl,
m_token.Token,
config,
m_handler
);
}