fix: ASW-65 停止捕包时等待 tcpdump 资源释放，防止 pcap 不全

src/main/java/net/geedge/api/controller/APIController.java

@@ -142,7 +142,7 @@ public class APIController {
     }
 
     @DeleteMapping("/pcap")
-    public void stopTcpdump(@RequestParam String id,
+    public synchronized void stopTcpdump(@RequestParam String id,
                             @RequestParam(required = false, defaultValue = "false") Boolean returnFile,
                             HttpServletResponse response) throws IOException {
         AdbUtil.CommandResult result = adbUtil.stopTcpdump(id);

src/main/java/net/geedge/api/util/AdbUtil.java

@@ -641,6 +641,21 @@ public class AdbUtil {
                 .serial(this.getSerial())
                 .buildShellCommand(String.format("shell \"ps -ef | grep tcpdump | grep -v grep | grep %s | awk '{print $2}' | xargs kill -INT \"", id))
                 .build());
+
+        // 等待 tcpdump 资源释放，避免出现错误：The capture file appears to have been cut short in the middle of a packet.
+        for (int i = 0; i < 10; i++) {
+            T.ThreadUtil.sleep(500);
+
+            String str = CommandExec.exec(AdbCommandBuilder.builder()
+                    .serial(this.getSerial())
+                    .buildShellCommand(String.format("shell \"ps -ef | grep tcpdump | grep -v grep | grep %s \"", id))
+                    .build());
+            log.info("[stopTcpdump] [id: {}] [is running: {}]", id, str);
+            if (T.StrUtil.isEmpty(str)) {
+                break;
+            }
+        }
+
         log.info("[stopTcpdump] [id: {}] [pcapFilePath: {}] [result: {}]", id, pcapFilePath, result);
         if (T.StrUtil.isEmpty(result)) {
             return new CommandResult(0, pcapFilePath);