Update isDevProxyRunning check to use API. Closes #218

Closes #218

Author: garrytrinder

CHANGELOG.md

@@ -21,6 +21,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Snippets: Updated all snippets to use new DLL name, `DevProxy.Plugins.dll`
 - Notification: Upgrade notification invokes package manager to upgrade Dev Proxy
 - Improved diagnostics range detection to ensure that they only appear againt the relevant code and don't overlap with ending quotes and commas
+- Detection: Changed isDevProxyRunning check to use Dev Proxy API instead of process detection
 
 ## [0.24.0] - 2025-06-04
 

src/detect.ts

@@ -47,25 +47,27 @@ export const getOutdatedVersion = async (devProxyExe: string): Promise<string> =
 };
 
 export const isDevProxyRunning = async (devProxyExe: string): Promise<boolean> => {
-    const platform = os.platform();
-
-    if (platform === 'win32') {
-        const processId = await executeCommand(`pwsh.exe -c "(Get-Process ${devProxyExe} -ErrorAction SilentlyContinue).Id"`);
-        return processId.trim() !== '';
-    };
-    if (platform === 'darwin') {
-        const processId = await executeCommand(`$SHELL -c "ps -e -o pid=,comm= | awk \'\\$2==\"${devProxyExe}\" {print \\$1}\'"`);
-        return processId.trim() !== '';
-    };
-    if (platform === 'linux') {
-        const processId = await executeCommand(`/bin/bash -c "ps -e -o pid=,comm= | awk \'\\$2==\"${devProxyExe}\" {print \\$1}\'"`);
-        return processId.trim() !== '';
+    try {
+        // Get the API port from configuration
+        const configuration = vscode.workspace.getConfiguration('dev-proxy-toolkit');
+        const apiPort = configuration.get('apiPort') as number;
+        
+        // Try to connect to the Dev Proxy API on the configured port
+        const response = await fetch(`http://127.0.0.1:${apiPort}/proxy`, {
+            method: 'GET',
+            signal: AbortSignal.timeout(2000), // 2 second timeout
+        });
+        
+        // If we get any response (even an error), Dev Proxy is running
+        return response.status >= 200 && response.status < 500;
+    } catch (error) {
+        // If the request fails (connection refused, timeout, etc.), Dev Proxy is not running
+        return false;
     }
-    return false;
 };
 
 export const getDevProxyExe = (versionPreference: VersionPreference) => {
     return versionPreference === VersionPreference.Stable
         ? VersionExeName.Stable
         : VersionExeName.Beta;
-};
+};

src/test/examples/devproxyrc.json

@@ -1,4 +1,14 @@
 {
-    "$schema": "https://raw.githubusercontent.com/microsoft/dev-proxy/main/schemas/v0.24.0/rc.schema.json",
-    "plugins": []
-}
+  "$schema": "https://raw.githubusercontent.com/dotnet/dev-proxy/main/schemas/v0.29.0/rc.schema.json",
+  "plugins": [
+    {
+      "name": "LatencyPlugin",
+      "enabled": true,
+      "pluginPath": "~appFolder/plugins/DevProxy.Plugins.dll"
+    }
+  ],
+  "urlsToWatch": ["https://jsonplaceholder.typicode.com/*"],
+  "logLevel": "information",
+  "newVersionNotification": "stable",
+  "showSkipMessages": true
+}