feat: add connection status indicator to vscode windows & windsurf

Author: ethanndickson

src/remote.ts

@@ -19,7 +19,7 @@ import { Inbox } from "./inbox"
 import { SSHConfig, SSHValues, mergeSSHConfigValues } from "./sshConfig"
 import { computeSSHProperties, sshSupportsSetEnv } from "./sshSupport"
 import { Storage } from "./storage"
-import { AuthorityPrefix, expandPath, parseRemoteAuthority } from "./util"
+import { AuthorityPrefix, expandPath, findPort, parseRemoteAuthority } from "./util"
 import { WorkspaceMonitor } from "./workspaceMonitor"
 
 export interface RemoteDetails extends vscode.Disposable {
@@ -793,14 +793,7 @@ export class Remote {
       // this to find the SSH process that is powering this connection. That SSH
       // process will be logging network information periodically to a file.
       const text = await fs.readFile(logPath, "utf8")
-      const matches = text.match(/-> socksPort (\d+) ->/)
-      if (!matches) {
-        return
-      }
-      if (matches.length < 2) {
-        return
-      }
-      const port = Number.parseInt(matches[1])
+      const port = await findPort(text)
       if (!port) {
         return
       }

src/util.ts

@@ -13,6 +13,34 @@ export interface AuthorityParts {
 // they should be handled by this extension.
 export const AuthorityPrefix = "coder-vscode"
 
+// `ms-vscode-remote.remote-ssh`: `-> socksPort <port> ->`
+// `codeium.windsurf-remote-openssh`: `=> <port>(socks) =>`
+// Windows `ms-vscode-remote.remote-ssh`: `between local port <port>`
+export const RemoteSSHLogPortRegex = /(?:-> socksPort (\d+) ->|=> (\d+)\(socks\) =>|between local port (\d+))/;
+
+
+/**
+ * Given the contents of a Remote - SSH log file, find a port number used by the
+ * SSH process. This is typically the socks port, but the local port works too.
+ *
+ * Returns null if no port is found.
+ */
+export async function findPort(text: string): Promise<number | null> {
+  const matches = text.match(RemoteSSHLogPortRegex)
+  if (!matches) {
+    return null
+  }
+  if (matches.length < 2) {
+    return null
+  }
+  const portStr = matches[1] || matches[2] || matches[3];
+  if (!portStr) {
+    return null
+  }
+
+  return Number.parseInt(portStr);
+}
+
 /**
  * Given an authority, parse into the expected parts.
  *