Initial working prototype

Author: pokey

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "command-server",
+	"name": "command-server",
 	"displayName": "Command server",
 	"description": "Accept commands on an HTTP server",
 	"version": "0.0.1",
@@ -10,7 +10,7 @@
 		"Other"
 	],
 	"activationEvents": [
-        "onCommand:command-server.helloWorld"
+		"*"
 	],
 	"main": "./out/extension.js",
 	"contributes": {
@@ -42,4 +42,4 @@
 		"typescript": "^4.1.2",
 		"vscode-test": "^1.4.1"
 	}
-}
+}

src/extension.ts

@@ -1,26 +1,84 @@
 // The module 'vscode' contains the VS Code extensibility API
 // Import the module and reference it with the alias vscode in your code below
-import * as vscode from 'vscode';
+import * as vscode from "vscode";
+import * as http from "http";
+import { AddressInfo } from "net";
+import { writeFileSync } from "fs";
+
+interface Command {
+  commandId: string;
+  args: any[];
+  expectResponse: boolean;
+  timestamp: Date;
+}
 
 // this method is called when your extension is activated
 // your extension is activated the very first time the command is executed
 export function activate(context: vscode.ExtensionContext) {
+  // Use the console to output diagnostic information (console.log) and errors (console.error)
+  // This line of code will only be executed once when your extension is activated
+  console.log(
+    'Congratulations, your extension "command-server" is now active!'
+  );
+
+  var port: number | null = null;
+  //create a server object:
+  const server = http.createServer(function (req, res) {
+    console.log("Got request");
+    var body = "";
+    req.on("data", function (chunk) {
+      body += chunk;
+    });
+    req.on("end", function () {
+      console.log("POSTed: " + body);
+      const { timestamp: rawTimestamp, ...rest } = JSON.parse(body);
+      const commandInfo = {
+        ...rest,
+        // timestamp: new Date(rawTimestamp),
+      };
+      console.dir(commandInfo);
+
+      vscode.commands.executeCommand(
+        commandInfo.commandId,
+        ...commandInfo.args
+      );
+      res.writeHead(200);
+      res.end("Hello World!");
+    });
+  });
+
+  server.listen(0, "localhost", function () {
+    const address: AddressInfo = (server.address() as unknown) as AddressInfo;
+    port = address.port;
+    console.log("Listening on port " + address.port);
+    if (vscode.window.state.focused) {
+      writeHost();
+    }
+  });
 
-	// Use the console to output diagnostic information (console.log) and errors (console.error)
-	// This line of code will only be executed once when your extension is activated
-	console.log('Congratulations, your extension "command-server" is now active!');
+  vscode.window.onDidChangeWindowState((event) => {
+    if (event.focused && port !== null) {
+      writeHost();
+    }
+  });
+  // The command has been defined in the package.json file
+  // Now provide the implementation of the command with registerCommand
+  // The commandId parameter must match the command field in package.json
+  let disposable = vscode.commands.registerCommand(
+    "command-server.helloWorld",
+    () => {
+      // The code you place here will be executed every time your command is executed
 
-	// The command has been defined in the package.json file
-	// Now provide the implementation of the command with registerCommand
-	// The commandId parameter must match the command field in package.json
-	let disposable = vscode.commands.registerCommand('command-server.helloWorld', () => {
-		// The code you place here will be executed every time your command is executed
+      // Display a message box to the user
+      vscode.window.showInformationMessage("Hello World from Command server!");
+    }
+  );
 
-		// Display a message box to the user
-		vscode.window.showInformationMessage('Hello World from Command server!');
-	});
+  context.subscriptions.push(disposable);
 
-	context.subscriptions.push(disposable);
+  function writeHost() {
+    writeFileSync("/tmp/vscode-host", `localhost:${port}`);
+  }
 }
 
 // this method is called when your extension is deactivated