godot/modules/mono/editor/GodotTools/GodotTools.IdeMessaging.CLI/Program.cs

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using System;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using GodotTools.IdeMessaging.Requests;
using Newtonsoft.Json;
namespace GodotTools.IdeMessaging.CLI
{
internal static class Program
{
private static readonly ILogger Logger = new CustomLogger();
public static int Main(string[] args)
{
try
{
var mainTask = StartAsync(args, Console.OpenStandardInput(), Console.OpenStandardOutput());
mainTask.Wait();
return mainTask.Result;
}
catch (Exception ex)
{
Logger.LogError("Unhandled exception: ", ex);
return 1;
}
}
private static async Task<int> StartAsync(string[] args, Stream inputStream, Stream outputStream)
{
var inputReader = new StreamReader(inputStream, Encoding.UTF8);
var outputWriter = new StreamWriter(outputStream, Encoding.UTF8);
try
{
if (args.Length == 0)
{
Logger.LogError("Expected at least 1 argument");
return 1;
}
string godotProjectDir = args[0];
if (!Directory.Exists(godotProjectDir))
{
Logger.LogError($"The specified Godot project directory does not exist: {godotProjectDir}");
return 1;
}
var forwarder = new ForwarderMessageHandler(outputWriter);
using (var fwdClient = new Client("VisualStudioCode", godotProjectDir, forwarder, Logger))
{
fwdClient.Start();
// ReSharper disable AccessToDisposedClosure
fwdClient.Connected += async () => await forwarder.WriteLineToOutput("Event=Connected");
fwdClient.Disconnected += async () => await forwarder.WriteLineToOutput("Event=Disconnected");
// ReSharper restore AccessToDisposedClosure
// TODO: Await connected with timeout
while (!fwdClient.IsDisposed)
{
string? firstLine = await inputReader.ReadLineAsync();
if (firstLine == null || firstLine == "QUIT")
goto ExitMainLoop;
string messageId = firstLine;
string? messageArgcLine = await inputReader.ReadLineAsync();
if (messageArgcLine == null)
{
Logger.LogInfo("EOF when expecting argument count");
goto ExitMainLoop;
}
if (!int.TryParse(messageArgcLine, out int messageArgc))
{
Logger.LogError("Received invalid line for argument count: " + firstLine);
continue;
}
var body = new StringBuilder();
for (int i = 0; i < messageArgc; i++)
{
string? bodyLine = await inputReader.ReadLineAsync();
if (bodyLine == null)
{
Logger.LogInfo($"EOF when expecting body line #{i + 1}");
goto ExitMainLoop;
}
body.AppendLine(bodyLine);
}
var response = await SendRequest(fwdClient, messageId, new MessageContent(MessageStatus.Ok, body.ToString()));
if (response == null)
{
Logger.LogError($"Failed to write message to the server: {messageId}");
}
else
{
var content = new MessageContent(response.Status, JsonConvert.SerializeObject(response));
await forwarder.WriteResponseToOutput(messageId, content);
}
}
2021-07-22 23:56:37 +00:00
ExitMainLoop:
await forwarder.WriteLineToOutput("Event=Quit");
}
return 0;
}
catch (Exception e)
{
Logger.LogError("Unhandled exception", e);
return 1;
}
}
private static async Task<Response?> SendRequest(Client client, string id, MessageContent content)
{
var handlers = new Dictionary<string, Func<Task<Response?>>>
{
[PlayRequest.Id] = async () =>
{
var request = JsonConvert.DeserializeObject<PlayRequest>(content.Body);
return await client.SendRequest<PlayResponse>(request!);
},
[DebugPlayRequest.Id] = async () =>
{
var request = JsonConvert.DeserializeObject<DebugPlayRequest>(content.Body);
return await client.SendRequest<DebugPlayResponse>(request!);
},
[ReloadScriptsRequest.Id] = async () =>
{
var request = JsonConvert.DeserializeObject<ReloadScriptsRequest>(content.Body);
return await client.SendRequest<ReloadScriptsResponse>(request!);
},
[CodeCompletionRequest.Id] = async () =>
{
var request = JsonConvert.DeserializeObject<CodeCompletionRequest>(content.Body);
return await client.SendRequest<CodeCompletionResponse>(request!);
}
};
if (handlers.TryGetValue(id, out var handler))
return await handler();
Console.WriteLine("INVALID REQUEST");
return null;
}
private class CustomLogger : ILogger
{
private static string ThisAppPath => Assembly.GetExecutingAssembly().Location;
private static string ThisAppPathWithoutExtension => Path.ChangeExtension(ThisAppPath, null);
private static readonly string LogPath = $"{ThisAppPathWithoutExtension}.log";
private static StreamWriter NewWriter() => new StreamWriter(LogPath, append: true, encoding: Encoding.UTF8);
private static void Log(StreamWriter writer, string message)
{
writer.WriteLine($"{DateTime.Now:HH:mm:ss.ffffff}: {message}");
}
public void LogDebug(string message)
{
using (var writer = NewWriter())
{
Log(writer, "DEBUG: " + message);
}
}
public void LogInfo(string message)
{
using (var writer = NewWriter())
{
Log(writer, "INFO: " + message);
}
}
public void LogWarning(string message)
{
using (var writer = NewWriter())
{
Log(writer, "WARN: " + message);
}
}
public void LogError(string message)
{
using (var writer = NewWriter())
{
Log(writer, "ERROR: " + message);
}
}
public void LogError(string message, Exception e)
{
using (var writer = NewWriter())
{
Log(writer, "EXCEPTION: " + message + '\n' + e);
}
}
}
}
}