private bool ConnectSocket(Uri uri)
{
_debuggerConnected = false;
var socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
EndPoint endpoint;
if (uri.IsLoopback)
{
endpoint = new IPEndPoint(IPAddress.Loopback, uri.Port);
}
else
{
endpoint = new DnsEndPoint(uri.Host, uri.Port);
}
Debug.WriteLine("Connecting to remote debugger at {0}", uri.ToString());
Microsoft.VisualStudio.Shell.ThreadHelper.JoinableTaskFactory.Run(() => Task.WhenAny(
Task.Factory.FromAsync(socket.BeginConnect, socket.EndConnect, endpoint, null),
Task.Delay(_debuggerConnectionTimeout)));
try {
if (socket.Connected)
{
_debuggerConnected = true;
_stream = new DebugAdapterProcessStream(new NetworkStream(socket, ownsSocket: true));
_stream.Disconnected += OnDisconnected;
}
else
{
Debug.WriteLine("Timed out waiting for debugger to connect.", nameof(DebugAdapterRemoteProcess));
}
} catch (AggregateException ex) {
Debug.WriteLine("Error waiting for debugger to connect {0}".FormatInvariant(ex.InnerException ?? ex), nameof(DebugAdapterRemoteProcess));
}
return(_debuggerConnected);
}
private void StartProcess(string launchJson)
{
var connection = InitializeListenerSocket();
var json = JObject.Parse(launchJson);
var exe = json["exe"].Value <string>();
var scriptAndScriptArgs = json["args"].Value <string>();
var cwd = json["cwd"].Value <string>();
ParseOptions(json["options"].Value <string>());
var argsList = new List <string> {
string.IsNullOrWhiteSpace(_interpreterOptions) ? "" : _interpreterOptions,
PythonToolsInstallPath.GetFile("ptvsd_launcher.py"),
cwd.Trim('\\'),
$"{_listenerPort}",
$"{_processGuid}",
$"{_debugOptions}",
"-g"
};
var launcherArgs = string.Join(" ", argsList.Where(a => !string.IsNullOrWhiteSpace(a)).Select(ProcessOutput.QuoteSingleArgument));
var arguments = $"{launcherArgs} {scriptAndScriptArgs}";
ProcessStartInfo psi = new ProcessStartInfo {
FileName = exe,
Arguments = arguments,
WorkingDirectory = cwd,
RedirectStandardError = false,
RedirectStandardInput = false,
RedirectStandardOutput = false,
UseShellExecute = false,
CreateNoWindow = false,
};
var env = json["env"].Value <JArray>();
foreach (JObject curValue in env)
{
var name = curValue["name"].Value <string>();
var value = curValue["value"].Value <string>();
if (!string.IsNullOrWhiteSpace(name))
{
psi.EnvironmentVariables[name] = value;
}
}
_process = new Process {
EnableRaisingEvents = true,
StartInfo = psi
};
_process.Exited += OnExited;
_process.Start();
var logger = (IPythonToolsLogger)VisualStudio.Shell.ServiceProvider.GlobalProvider.GetService(typeof(IPythonToolsLogger));
try {
if (connection.Wait(_debuggerConnectionTimeout))
{
var socket = connection.Result;
if (socket != null)
{
_debuggerConnected = true;
_stream = new DebugAdapterProcessStream(new NetworkStream(socket, ownsSocket: true));
_stream.Initialized += OnInitialized;
_stream.LegacyDebugger += OnLegacyDebugger;
if (!string.IsNullOrEmpty(_webBrowserUrl) && Uri.TryCreate(_webBrowserUrl, UriKind.RelativeOrAbsolute, out Uri uri))
{
OnPortOpenedHandler.CreateHandler(uri.Port, null, null, ProcessExited, LaunchBrowserDebugger);
}
}
}
else
{
Debug.WriteLine("Timed out waiting for debuggee to connect.", nameof(DebugAdapterProcess));
logger?.LogEvent(PythonLogEvent.DebugAdapterConnectionTimeout, "Launch");
}
} catch (AggregateException ex) {
Debug.WriteLine("Error waiting for debuggee to connect {0}".FormatInvariant(ex.InnerException ?? ex), nameof(DebugAdapterProcess));
}
if (_stream == null && !_process.HasExited)
{
_process.Kill();
}
}
