data stream working

run_clean_dashboard.py

@@ -60,6 +60,118 @@ def check_system_resources():
         return False
     return True
 
+def kill_existing_dashboard_processes():
+    """Kill any existing dashboard processes and free port 8050"""
+    import subprocess
+    import signal
+    
+    try:
+        # Find processes using port 8050
+        logger.info("Checking for processes using port 8050...")
+        
+        # Method 1: Use lsof to find processes using port 8050
+        try:
+            result = subprocess.run(['lsof', '-ti', ':8050'], 
+                                  capture_output=True, text=True, timeout=10)
+            if result.returncode == 0 and result.stdout.strip():
+                pids = result.stdout.strip().split('\n')
+                logger.info(f"Found processes using port 8050: {pids}")
+                
+                for pid in pids:
+                    if pid.strip():
+                        try:
+                            logger.info(f"Killing process {pid}")
+                            os.kill(int(pid), signal.SIGTERM)
+                            time.sleep(1)
+                            # Force kill if still running
+                            os.kill(int(pid), signal.SIGKILL)
+                        except (ProcessLookupError, ValueError) as e:
+                            logger.debug(f"Process {pid} already terminated: {e}")
+                        except Exception as e:
+                            logger.warning(f"Error killing process {pid}: {e}")
+        except (subprocess.TimeoutExpired, FileNotFoundError):
+            logger.debug("lsof not available or timed out")
+        
+        # Method 2: Use ps and grep to find Python processes
+        try:
+            result = subprocess.run(['ps', 'aux'], 
+                                  capture_output=True, text=True, timeout=10)
+            if result.returncode == 0:
+                lines = result.stdout.split('\n')
+                for line in lines:
+                    if 'run_clean_dashboard' in line or 'clean_dashboard' in line:
+                        parts = line.split()
+                        if len(parts) > 1:
+                            pid = parts[1]
+                            try:
+                                logger.info(f"Killing dashboard process {pid}")
+                                os.kill(int(pid), signal.SIGTERM)
+                                time.sleep(1)
+                                os.kill(int(pid), signal.SIGKILL)
+                            except (ProcessLookupError, ValueError) as e:
+                                logger.debug(f"Process {pid} already terminated: {e}")
+                            except Exception as e:
+                                logger.warning(f"Error killing process {pid}: {e}")
+        except (subprocess.TimeoutExpired, FileNotFoundError):
+            logger.debug("ps not available or timed out")
+        
+        # Method 3: Use netstat to find processes using port 8050
+        try:
+            result = subprocess.run(['netstat', '-tlnp'], 
+                                  capture_output=True, text=True, timeout=10)
+            if result.returncode == 0:
+                lines = result.stdout.split('\n')
+                for line in lines:
+                    if ':8050' in line and 'LISTEN' in line:
+                        parts = line.split()
+                        if len(parts) > 6:
+                            pid_part = parts[6]
+                            if '/' in pid_part:
+                                pid = pid_part.split('/')[0]
+                                try:
+                                    logger.info(f"Killing process {pid} using port 8050")
+                                    os.kill(int(pid), signal.SIGTERM)
+                                    time.sleep(1)
+                                    os.kill(int(pid), signal.SIGKILL)
+                                except (ProcessLookupError, ValueError) as e:
+                                    logger.debug(f"Process {pid} already terminated: {e}")
+                                except Exception as e:
+                                    logger.warning(f"Error killing process {pid}: {e}")
+        except (subprocess.TimeoutExpired, FileNotFoundError):
+            logger.debug("netstat not available or timed out")
+        
+        # Wait a bit for processes to fully terminate
+        time.sleep(2)
+        
+        # Verify port is free
+        try:
+            result = subprocess.run(['lsof', '-ti', ':8050'], 
+                                  capture_output=True, text=True, timeout=5)
+            if result.returncode == 0 and result.stdout.strip():
+                logger.warning("Port 8050 still in use after cleanup")
+                return False
+            else:
+                logger.info("Port 8050 is now free")
+                return True
+        except (subprocess.TimeoutExpired, FileNotFoundError):
+            logger.info("Port 8050 cleanup verification skipped")
+            return True
+            
+    except Exception as e:
+        logger.error(f"Error during process cleanup: {e}")
+        return False
+
+def check_port_availability(port=8050):
+    """Check if a port is available"""
+    import socket
+    
+    try:
+        with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+            s.bind(('127.0.0.1', port))
+            return True
+    except OSError:
+        return False
+
 def run_dashboard_with_recovery():
     """Run dashboard with automatic error recovery"""
     max_retries = 3
@@ -69,6 +181,14 @@ def run_dashboard_with_recovery():
         try:
             logger.info(f"Starting Clean Trading Dashboard (attempt {retry_count + 1}/{max_retries})")
             
+            # Clean up existing processes and free port 8050
+            if not check_port_availability(8050):
+                logger.info("Port 8050 is in use, cleaning up existing processes...")
+                if not kill_existing_dashboard_processes():
+                    logger.warning("Failed to free port 8050, waiting 10 seconds...")
+                    time.sleep(10)
+                    continue
+            
             # Check system resources
             if not check_system_resources():
                 logger.warning("System resources low, waiting 30 seconds...")