Update main.yml

.github/workflows/main.yml

@@ -6,11 +6,11 @@ on:
       - main
   schedule:
     - cron: '0 12 * * *'
-    
+
 env:
   innoextract_version: 1.9
   arch: amd64
- 
+
 permissions:
   contents: write
 
@@ -29,7 +29,26 @@ jobs:
           curl https://raw.githubusercontent.com/chenjia404/CnTrackersList/master/all.txt >> trackers_all.txt
           curl https://raw.githubusercontent.com/hezhijie0327/Trackerslist/main/trackerslist_tracker.txt >> trackers_all.txt
           sort trackers_all.txt | uniq > tmp.txt
-          mv tmp.txt trackers_all.txt          
+          mv tmp.txt trackers_all.txt
+
+      - name: Test tracker availability
+        shell: bash
+        run: |
+          > trackers_best.txt
+          while IFS= read -r tracker; do
+            if [[ "$tracker" == http* ]]; then
+              # Check HTTP/HTTPS tracker
+              if curl --connect-timeout 10 --max-time 10 -sI "$tracker" | grep -q "HTTP/"; then
+                echo "$tracker" >> trackers_best.txt
+              fi
+            elif [[ "$tracker" == udp* ]]; then
+              # Check UDP tracker
+              tracker_url=$(echo "$tracker" | sed 's/udp:\/\///')
+              if echo -n '' | nc -w 3 -u "${tracker_url%%:*}" "${tracker_url##*:}"; then
+                echo "$tracker" >> trackers_best.txt
+              fi
+            fi
+          done < trackers_all.txt
 
       - name: Commit and Push changes
         run: |