Stabilize discovery workflow

2026-05-29 17:16:46 +08:00
parent 15772bc17e
commit 3981ffdf5e
40 changed files with 2039 additions and 211 deletions
@@ -19,51 +19,19 @@ class TcpPortScanner
        $openPorts = [];
        $timeoutSec = $timeoutMs / 1000;

-        if (function_exists('curl_multi_init')) {
-            // Parallel scan with curl_multi
-            $chunks = array_chunk($ports, $maxConcurrency);
-            foreach ($chunks as $chunk) {
-                $multiHandle = curl_multi_init();
-                $handles = [];
-                foreach ($chunk as $port) {
-                    $ch = curl_init();
-                    curl_setopt($ch, CURLOPT_URL, "http://{$ip}:{$port}");
-                    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
-                    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT_MS, $timeoutMs);
-                    curl_setopt($ch, CURLOPT_TIMEOUT_MS, $timeoutMs);
-                    curl_setopt($ch, CURLOPT_NOBODY, true);
-                    curl_multi_add_handle($multiHandle, $ch);
-                    $handles[$port] = $ch;
-                }
-
-                // Execute
-                $running = null;
-                do {
-                    curl_multi_exec($multiHandle, $running);
-                    curl_multi_select($multiHandle, 0.1);
-                } while ($running > 0);
-
-                // Check results
-                foreach ($handles as $port => $ch) {
-                    $err = curl_errno($ch);
-                    // CURLE_COULDNT_CONNECT (7) = port closed, others might mean open or filtered
-                    if ($err !== CURLE_COULDNT_CONNECT) {
-                        $openPorts[] = $port;
-                    }
-                    curl_multi_remove_handle($multiHandle, $ch);
-                    curl_close($ch);
-                }
-
-                curl_multi_close($multiHandle);
-            }
-        } else {
-            // Sequential fallback
-            foreach ($ports as $port) {
-                $fp = @fsockopen($ip, $port, $errno, $errstr, $timeoutSec);
-                if ($fp !== false) {
-                    $openPorts[] = $port;
-                    fclose($fp);
-                }
+        foreach ($ports as $port) {
+            $errno = 0;
+            $errstr = '';
+            $fp = @stream_socket_client(
+                "tcp://{$ip}:{$port}",
+                $errno,
+                $errstr,
+                $timeoutSec,
+                STREAM_CLIENT_CONNECT
+            );
+            if ($fp !== false) {
+                $openPorts[] = $port;
+                fclose($fp);
            }
        }