Update websocket_storage.py

websocket_storage.py

@@ -1,434 +1,434 @@
-import websockets
-import json
-import numpy as np
-from typing import Dict, Any, Optional, Union
-import threading
-from queue import Queue
-import time
-
-class WebSocketGPUStorage:
-    def __init__(self, url: str = "wss://factorst-wbs1.hf.space/ws"):  # Default to local WebSocket server
-        self.url = url
-        self.websocket = None
-        self.connected = False
-        self.message_queue = Queue()
-        self.response_queues: Dict[str, Queue] = {}
-        self.lock = threading.Lock()
-        self._closing = False
-        self._loop = None
-        self.error_count = 0
-        self.last_error_time = 0
-        self.max_retries = 5
-        self.tensor_registry: Dict[str, Dict[str, Any]] = {}  # Track tensor metadata
-        self.resource_monitor = {'vram_used': 0, 'active_tensors': 0}
-        self.model_registry: Dict[str, Dict[str, Any]] = {}  # Track loaded models
-        self.resource_monitor = {
-            'vram_used': 0,
-            'active_tensors': 0,
-            'loaded_models': set()
-        }
-        
-        # Start WebSocket connection in a separate thread
-        self.ws_thread = threading.Thread(target=self._run_websocket_loop, daemon=True)
-        self.ws_thread.start()
-
-    def _run_websocket_loop(self):
-        self._loop = asyncio.new_event_loop()
-        asyncio.set_event_loop(self._loop)
-        self._loop.run_until_complete(self._websocket_handler())
-
-    async def _websocket_handler(self):
-        while not self._closing:
-            try:
-                async with websockets.connect(self.url) as websocket:
-                    self.websocket = websocket
-                    self.connected = True
-                    self.error_count = 0  # Reset error count on successful connection
-                    print("Connected to GPU storage server")
-
-                    while True:
-                        # Handle outgoing messages
-                        try:
-                            while not self.message_queue.empty():
-                                msg_id, operation = self.message_queue.get()
-                                await websocket.send(json.dumps(operation))
-                                
-                                # Wait for response with timeout
-                                try:
-                                    response = await asyncio.wait_for(websocket.recv(), timeout=30)
-                                    response_data = json.loads(response)
-                                    
-                                    # Put response in corresponding queue
-                                    if msg_id in self.response_queues:
-                                        self.response_queues[msg_id].put(response_data)
-                                except asyncio.TimeoutError:
-                                    if msg_id in self.response_queues:
-                                        self.response_queues[msg_id].put({
-                                            "status": "error",
-                                            "message": "Operation timed out"
-                                        })
-                                except Exception as e:
-                                    if msg_id in self.response_queues:
-                                        self.response_queues[msg_id].put({
-                                            "status": "error",
-                                            "message": f"Error processing response: {str(e)}"
-                                        })
-
-                        except Exception as e:
-                            print(f"Error processing message: {str(e)}")
-
-                        # Keep connection alive with heartbeat
-                        try:
-                            await websocket.ping()
-                        except:
-                            break  # Break inner loop on ping failure
-                            
-                        await asyncio.sleep(0.001)  # 1ms sleep for electron-speed response
-
-            except Exception as e:
-                print(f"WebSocket connection error: {e}")
-                self.connected = False
-                await asyncio.sleep(1)  # Wait before reconnecting
-
-    def _send_operation(self, operation: Dict[str, Any]) -> Dict[str, Any]:
-        if self._closing:
-            return {"status": "error", "message": "WebSocket is closing"}
-            
-        if not self.wait_for_connection(timeout=10):
-            return {"status": "error", "message": "Not connected to GPU storage server"}
-            
-        msg_id = str(time.time())
-        response_queue = Queue()
-        
-        with self.lock:
-            self.response_queues[msg_id] = response_queue
-            self.message_queue.put((msg_id, operation))
-        
-        try:
-            # Wait for response with configurable timeout
-            response = response_queue.get(timeout=30)  # Extended timeout for large models
-            if response.get("status") == "error" and "model_size" in operation:
-                # Retry once for model loading operations
-                self.message_queue.put((msg_id, operation))
-                response = response_queue.get(timeout=30)
-        except Exception as e:
-            response = {"status": "error", "message": f"Operation failed: {str(e)}"}
-        finally:
-            with self.lock:
-                if msg_id in self.response_queues:
-                    del self.response_queues[msg_id]
-            
-        return response
-
-    def store_tensor(self, tensor_id: str, data: np.ndarray, model_size: Optional[int] = None) -> bool:
-        try:
-            if data is None:
-                raise ValueError("Cannot store None tensor")
-                
-            # Calculate tensor metadata
-            tensor_shape = data.shape
-            tensor_dtype = str(data.dtype)
-            tensor_size = data.nbytes
-            
-            operation = {
-                'operation': 'vram',
-                'type': 'write',
-                'block_id': tensor_id,
-                'data': data.tolist(),
-                'model_size': model_size if model_size is not None else -1,  # -1 indicates unlimited
-                'metadata': {
-                    'shape': tensor_shape,
-                    'dtype': tensor_dtype,
-                    'size': tensor_size,
-                    'timestamp': time.time()
-                }
-            }
-            
-            response = self._send_operation(operation)
-            if response.get('status') == 'success':
-                # Update tensor registry
-                with self.lock:
-                    self.tensor_registry[tensor_id] = {
-                        'shape': tensor_shape,
-                        'dtype': tensor_dtype,
-                        'size': tensor_size,
-                        'timestamp': time.time()
-                    }
-                    self.resource_monitor['vram_used'] += tensor_size
-                    self.resource_monitor['active_tensors'] += 1
-                return True
-            else:
-                print(f"Failed to store tensor {tensor_id}: {response.get('message', 'Unknown error')}")
-                return False
-        except Exception as e:
-            print(f"Error storing tensor {tensor_id}: {str(e)}")
-            return False
-
-    def load_tensor(self, tensor_id: str) -> Optional[np.ndarray]:
-        try:
-            # Check tensor registry first
-            if tensor_id not in self.tensor_registry:
-                print(f"Tensor {tensor_id} not registered in VRAM")
-                return None
-                
-            operation = {
-                'operation': 'vram',
-                'type': 'read',
-                'block_id': tensor_id,
-                'expected_metadata': self.tensor_registry.get(tensor_id, {})
-            }
-            
-            response = self._send_operation(operation)
-            if response.get('status') == 'success':
-                data = response.get('data')
-                if data is None:
-                    print(f"No data found for tensor {tensor_id}")
-                    return None
-                    
-                # Verify tensor metadata
-                metadata = response.get('metadata', {})
-                expected_metadata = self.tensor_registry.get(tensor_id, {})
-                if metadata.get('shape') != expected_metadata.get('shape'):
-                    print(f"Warning: Tensor {tensor_id} shape mismatch")
-                    
-                try:
-                    # Convert to numpy array with correct dtype
-                    arr = np.array(data, dtype=np.dtype(expected_metadata.get('dtype', 'float32')))
-                    if arr.shape != expected_metadata.get('shape'):
-                        arr = arr.reshape(expected_metadata.get('shape'))
-                    return arr
-                except Exception as e:
-                    print(f"Error converting tensor data: {str(e)}")
-                    return None
-            else:
-                print(f"Failed to load tensor {tensor_id}: {response.get('message', 'Unknown error')}")
-                return None
-        except Exception as e:
-            print(f"Error loading tensor {tensor_id}: {str(e)}")
-            return None
-
-    def store_state(self, component: str, state_id: str, state_data: Dict[str, Any]) -> bool:
-        try:
-            operation = {
-                'operation': 'state',
-                'type': 'save',
-                'component': component,
-                'state_id': state_id,
-                'data': state_data,
-                'timestamp': time.time()
-            }
-            
-            response = self._send_operation(operation)
-            if response.get('status') != 'success':
-                print(f"Failed to store state for {component}/{state_id}: {response.get('message', 'Unknown error')}")
-                return False
-            return True
-        except Exception as e:
-            print(f"Error storing state for {component}/{state_id}: {str(e)}")
-            return False
-
-    def load_state(self, component: str, state_id: str) -> Optional[Dict[str, Any]]:
-        try:
-            operation = {
-                'operation': 'state',
-                'type': 'load',
-                'component': component,
-                'state_id': state_id
-            }
-            
-            response = self._send_operation(operation)
-            if response.get('status') == 'success':
-                data = response.get('data')
-                if data is None:
-                    print(f"No state found for {component}/{state_id}")
-                    return None
-                return data
-            else:
-                print(f"Failed to load state for {component}/{state_id}: {response.get('message', 'Unknown error')}")
-                return None
-        except Exception as e:
-            print(f"Error loading state for {component}/{state_id}: {str(e)}")
-            return None
-
-    def is_model_loaded(self, model_name: str) -> bool:
-        """Check if a model is already loaded in VRAM"""
-        return model_name in self.resource_monitor['loaded_models']
-
-    def load_model(self, model_name: str, model_path: Optional[str] = None, model_data: Optional[Dict] = None) -> bool:
-        """Load a model into VRAM if not already loaded"""
-        try:
-            # Check if model is already loaded
-            if self.is_model_loaded(model_name):
-                print(f"Model {model_name} already loaded in VRAM")
-                return True
-
-            # Calculate model hash if path provided
-            model_hash = None
-            if model_path:
-                model_hash = self._calculate_model_hash(model_path)
-
-            operation = {
-                'operation': 'model',
-                'type': 'load',
-                'model_name': model_name,
-                'model_hash': model_hash,
-                'model_data': model_data
-            }
-
-            response = self._send_operation(operation)
-            if response.get('status') == 'success':
-                with self.lock:
-                    self.model_registry[model_name] = {
-                        'hash': model_hash,
-                        'timestamp': time.time(),
-                        'tensors': response.get('tensor_ids', [])
-                    }
-                    self.resource_monitor['loaded_models'].add(model_name)
-                print(f"Successfully loaded model {model_name}")
-                return True
-            else:
-                print(f"Failed to load model {model_name}: {response.get('message', 'Unknown error')}")
-                return False
-        except Exception as e:
-            print(f"Error loading model {model_name}: {str(e)}")
-            return False
-
-    def _calculate_model_hash(self, model_path: str) -> str:
-        """Calculate SHA256 hash of model file"""
-        try:
-            sha256_hash = hashlib.sha256()
-            with open(model_path, "rb") as f:
-                for byte_block in iter(lambda: f.read(4096), b""):
-                    sha256_hash.update(byte_block)
-            return sha256_hash.hexdigest()
-        except Exception as e:
-            print(f"Error calculating model hash: {str(e)}")
-            return ""
-
-    def cache_data(self, key: str, data: Any) -> bool:
-        operation = {
-            'operation': 'cache',
-            'type': 'set',
-            'key': key,
-            'data': data
-        }
-        
-        response = self._send_operation(operation)
-        return response.get('status') == 'success'
-
-    def get_cached_data(self, key: str) -> Optional[Any]:
-        operation = {
-            'operation': 'cache',
-            'type': 'get',
-            'key': key
-        }
-        
-        response = self._send_operation(operation)
-        if response.get('status') == 'success':
-            return response['data']
-        return None
-
-    def wait_for_connection(self, timeout: float = 30.0) -> bool:
-        """Wait for WebSocket connection to be established"""
-        start_time = time.time()
-        while not self._closing and not self.connected:
-            if time.time() - start_time > timeout:
-                print("Connection timeout exceeded")
-                return False
-            time.sleep(0.1)
-        return self.connected
-
-    def is_connected(self) -> bool:
-        """Check if WebSocket connection is active"""
-        return self.connected and not self._closing
-        
-    def get_connection_status(self) -> Dict[str, Any]:
-        """Get detailed connection status"""
-        return {
-            "connected": self.connected,
-            "closing": self._closing,
-            "error_count": self.error_count,
-            "url": self.url,
-            "last_error_time": self.last_error_time,
-            "loaded_models": list(self.resource_monitor['loaded_models'])
-        }
-        
-    def start_inference(self, model_name: str, input_data: np.ndarray) -> Optional[Dict[str, Any]]:
-        """Start inference with a loaded model"""
-        try:
-            if not self.is_model_loaded(model_name):
-                print(f"Model {model_name} not loaded. Please load the model first.")
-                return None
-                
-            operation = {
-                'operation': 'inference',
-                'type': 'run',
-                'model_name': model_name,
-                'input_data': input_data.tolist() if isinstance(input_data, np.ndarray) else input_data
-            }
-            
-            response = self._send_operation(operation)
-            if response.get('status') == 'success':
-                return {
-                    'output': np.array(response['output']) if 'output' in response else None,
-                    'metrics': response.get('metrics', {}),
-                    'model_info': self.model_registry.get(model_name, {})
-                }
-            else:
-                print(f"Inference failed: {response.get('message', 'Unknown error')}")
-                return None
-        except Exception as e:
-            print(f"Error during inference: {str(e)}")
-            return None
-
-    def close(self):
-        """Close WebSocket connection and cleanup resources."""
-        if not self._closing:
-            self._closing = True
-            if self.websocket and self._loop:
-                async def cleanup():
-                    try:
-                        # Clean up registries
-                        with self.lock:
-                            self.tensor_registry.clear()
-                            self.model_registry.clear()
-                            self.resource_monitor['vram_used'] = 0
-                            self.resource_monitor['active_tensors'] = 0
-                            self.resource_monitor['loaded_models'].clear()
-                        
-                        # Notify server about cleanup
-                        if self.connected:
-                            try:
-                                await self.websocket.send(json.dumps({
-                                    'operation': 'cleanup',
-                                    'type': 'full'
-                                }))
-                            except:
-                                pass
-                                
-                        await self.websocket.close()
-                    except Exception as e:
-                        print(f"Error during cleanup: {str(e)}")
-                    finally:
-                        self.connected = False
-                        
-                if self._loop.is_running():
-                    self._loop.create_task(cleanup())
-                else:
-                    asyncio.run(cleanup())
-
-    async def aclose(self):
-        """Asynchronously close WebSocket connection."""
-        if not self._closing:
-            self._closing = True
-            if self.websocket:
-                try:
-                    await self.websocket.close()
-                except:
-                    pass
-                finally:
-                    self.connected = False
-                    
-    def __del__(self):
-        """Ensure cleanup on deletion."""
-        self.close()
+import websockets
+import json
+import numpy as np
+from typing import Dict, Any, Optional, Union
+import threading
+from queue import Queue
+import time
+import asyncio
+class WebSocketGPUStorage:
+    def __init__(self, url: str = "wss://factorst-wbs1.hf.space/ws"):  # Default to local WebSocket server
+        self.url = url
+        self.websocket = None
+        self.connected = False
+        self.message_queue = Queue()
+        self.response_queues: Dict[str, Queue] = {}
+        self.lock = threading.Lock()
+        self._closing = False
+        self._loop = None
+        self.error_count = 0
+        self.last_error_time = 0
+        self.max_retries = 5
+        self.tensor_registry: Dict[str, Dict[str, Any]] = {}  # Track tensor metadata
+        self.resource_monitor = {'vram_used': 0, 'active_tensors': 0}
+        self.model_registry: Dict[str, Dict[str, Any]] = {}  # Track loaded models
+        self.resource_monitor = {
+            'vram_used': 0,
+            'active_tensors': 0,
+            'loaded_models': set()
+        }
+        
+        # Start WebSocket connection in a separate thread
+        self.ws_thread = threading.Thread(target=self._run_websocket_loop, daemon=True)
+        self.ws_thread.start()
+
+    def _run_websocket_loop(self):
+        self._loop = asyncio.new_event_loop()
+        asyncio.set_event_loop(self._loop)
+        self._loop.run_until_complete(self._websocket_handler())
+
+    async def _websocket_handler(self):
+        while not self._closing:
+            try:
+                async with websockets.connect(self.url) as websocket:
+                    self.websocket = websocket
+                    self.connected = True
+                    self.error_count = 0  # Reset error count on successful connection
+                    print("Connected to GPU storage server")
+
+                    while True:
+                        # Handle outgoing messages
+                        try:
+                            while not self.message_queue.empty():
+                                msg_id, operation = self.message_queue.get()
+                                await websocket.send(json.dumps(operation))
+                                
+                                # Wait for response with timeout
+                                try:
+                                    response = await asyncio.wait_for(websocket.recv(), timeout=30)
+                                    response_data = json.loads(response)
+                                    
+                                    # Put response in corresponding queue
+                                    if msg_id in self.response_queues:
+                                        self.response_queues[msg_id].put(response_data)
+                                except asyncio.TimeoutError:
+                                    if msg_id in self.response_queues:
+                                        self.response_queues[msg_id].put({
+                                            "status": "error",
+                                            "message": "Operation timed out"
+                                        })
+                                except Exception as e:
+                                    if msg_id in self.response_queues:
+                                        self.response_queues[msg_id].put({
+                                            "status": "error",
+                                            "message": f"Error processing response: {str(e)}"
+                                        })
+
+                        except Exception as e:
+                            print(f"Error processing message: {str(e)}")
+
+                        # Keep connection alive with heartbeat
+                        try:
+                            await websocket.ping()
+                        except:
+                            break  # Break inner loop on ping failure
+                            
+                        await asyncio.sleep(0.001)  # 1ms sleep for electron-speed response
+
+            except Exception as e:
+                print(f"WebSocket connection error: {e}")
+                self.connected = False
+                await asyncio.sleep(1)  # Wait before reconnecting
+
+    def _send_operation(self, operation: Dict[str, Any]) -> Dict[str, Any]:
+        if self._closing:
+            return {"status": "error", "message": "WebSocket is closing"}
+            
+        if not self.wait_for_connection(timeout=10):
+            return {"status": "error", "message": "Not connected to GPU storage server"}
+            
+        msg_id = str(time.time())
+        response_queue = Queue()
+        
+        with self.lock:
+            self.response_queues[msg_id] = response_queue
+            self.message_queue.put((msg_id, operation))
+        
+        try:
+            # Wait for response with configurable timeout
+            response = response_queue.get(timeout=30)  # Extended timeout for large models
+            if response.get("status") == "error" and "model_size" in operation:
+                # Retry once for model loading operations
+                self.message_queue.put((msg_id, operation))
+                response = response_queue.get(timeout=30)
+        except Exception as e:
+            response = {"status": "error", "message": f"Operation failed: {str(e)}"}
+        finally:
+            with self.lock:
+                if msg_id in self.response_queues:
+                    del self.response_queues[msg_id]
+            
+        return response
+
+    def store_tensor(self, tensor_id: str, data: np.ndarray, model_size: Optional[int] = None) -> bool:
+        try:
+            if data is None:
+                raise ValueError("Cannot store None tensor")
+                
+            # Calculate tensor metadata
+            tensor_shape = data.shape
+            tensor_dtype = str(data.dtype)
+            tensor_size = data.nbytes
+            
+            operation = {
+                'operation': 'vram',
+                'type': 'write',
+                'block_id': tensor_id,
+                'data': data.tolist(),
+                'model_size': model_size if model_size is not None else -1,  # -1 indicates unlimited
+                'metadata': {
+                    'shape': tensor_shape,
+                    'dtype': tensor_dtype,
+                    'size': tensor_size,
+                    'timestamp': time.time()
+                }
+            }
+            
+            response = self._send_operation(operation)
+            if response.get('status') == 'success':
+                # Update tensor registry
+                with self.lock:
+                    self.tensor_registry[tensor_id] = {
+                        'shape': tensor_shape,
+                        'dtype': tensor_dtype,
+                        'size': tensor_size,
+                        'timestamp': time.time()
+                    }
+                    self.resource_monitor['vram_used'] += tensor_size
+                    self.resource_monitor['active_tensors'] += 1
+                return True
+            else:
+                print(f"Failed to store tensor {tensor_id}: {response.get('message', 'Unknown error')}")
+                return False
+        except Exception as e:
+            print(f"Error storing tensor {tensor_id}: {str(e)}")
+            return False
+
+    def load_tensor(self, tensor_id: str) -> Optional[np.ndarray]:
+        try:
+            # Check tensor registry first
+            if tensor_id not in self.tensor_registry:
+                print(f"Tensor {tensor_id} not registered in VRAM")
+                return None
+                
+            operation = {
+                'operation': 'vram',
+                'type': 'read',
+                'block_id': tensor_id,
+                'expected_metadata': self.tensor_registry.get(tensor_id, {})
+            }
+            
+            response = self._send_operation(operation)
+            if response.get('status') == 'success':
+                data = response.get('data')
+                if data is None:
+                    print(f"No data found for tensor {tensor_id}")
+                    return None
+                    
+                # Verify tensor metadata
+                metadata = response.get('metadata', {})
+                expected_metadata = self.tensor_registry.get(tensor_id, {})
+                if metadata.get('shape') != expected_metadata.get('shape'):
+                    print(f"Warning: Tensor {tensor_id} shape mismatch")
+                    
+                try:
+                    # Convert to numpy array with correct dtype
+                    arr = np.array(data, dtype=np.dtype(expected_metadata.get('dtype', 'float32')))
+                    if arr.shape != expected_metadata.get('shape'):
+                        arr = arr.reshape(expected_metadata.get('shape'))
+                    return arr
+                except Exception as e:
+                    print(f"Error converting tensor data: {str(e)}")
+                    return None
+            else:
+                print(f"Failed to load tensor {tensor_id}: {response.get('message', 'Unknown error')}")
+                return None
+        except Exception as e:
+            print(f"Error loading tensor {tensor_id}: {str(e)}")
+            return None
+
+    def store_state(self, component: str, state_id: str, state_data: Dict[str, Any]) -> bool:
+        try:
+            operation = {
+                'operation': 'state',
+                'type': 'save',
+                'component': component,
+                'state_id': state_id,
+                'data': state_data,
+                'timestamp': time.time()
+            }
+            
+            response = self._send_operation(operation)
+            if response.get('status') != 'success':
+                print(f"Failed to store state for {component}/{state_id}: {response.get('message', 'Unknown error')}")
+                return False
+            return True
+        except Exception as e:
+            print(f"Error storing state for {component}/{state_id}: {str(e)}")
+            return False
+
+    def load_state(self, component: str, state_id: str) -> Optional[Dict[str, Any]]:
+        try:
+            operation = {
+                'operation': 'state',
+                'type': 'load',
+                'component': component,
+                'state_id': state_id
+            }
+            
+            response = self._send_operation(operation)
+            if response.get('status') == 'success':
+                data = response.get('data')
+                if data is None:
+                    print(f"No state found for {component}/{state_id}")
+                    return None
+                return data
+            else:
+                print(f"Failed to load state for {component}/{state_id}: {response.get('message', 'Unknown error')}")
+                return None
+        except Exception as e:
+            print(f"Error loading state for {component}/{state_id}: {str(e)}")
+            return None
+
+    def is_model_loaded(self, model_name: str) -> bool:
+        """Check if a model is already loaded in VRAM"""
+        return model_name in self.resource_monitor['loaded_models']
+
+    def load_model(self, model_name: str, model_path: Optional[str] = None, model_data: Optional[Dict] = None) -> bool:
+        """Load a model into VRAM if not already loaded"""
+        try:
+            # Check if model is already loaded
+            if self.is_model_loaded(model_name):
+                print(f"Model {model_name} already loaded in VRAM")
+                return True
+
+            # Calculate model hash if path provided
+            model_hash = None
+            if model_path:
+                model_hash = self._calculate_model_hash(model_path)
+
+            operation = {
+                'operation': 'model',
+                'type': 'load',
+                'model_name': model_name,
+                'model_hash': model_hash,
+                'model_data': model_data
+            }
+
+            response = self._send_operation(operation)
+            if response.get('status') == 'success':
+                with self.lock:
+                    self.model_registry[model_name] = {
+                        'hash': model_hash,
+                        'timestamp': time.time(),
+                        'tensors': response.get('tensor_ids', [])
+                    }
+                    self.resource_monitor['loaded_models'].add(model_name)
+                print(f"Successfully loaded model {model_name}")
+                return True
+            else:
+                print(f"Failed to load model {model_name}: {response.get('message', 'Unknown error')}")
+                return False
+        except Exception as e:
+            print(f"Error loading model {model_name}: {str(e)}")
+            return False
+
+    def _calculate_model_hash(self, model_path: str) -> str:
+        """Calculate SHA256 hash of model file"""
+        try:
+            sha256_hash = hashlib.sha256()
+            with open(model_path, "rb") as f:
+                for byte_block in iter(lambda: f.read(4096), b""):
+                    sha256_hash.update(byte_block)
+            return sha256_hash.hexdigest()
+        except Exception as e:
+            print(f"Error calculating model hash: {str(e)}")
+            return ""
+
+    def cache_data(self, key: str, data: Any) -> bool:
+        operation = {
+            'operation': 'cache',
+            'type': 'set',
+            'key': key,
+            'data': data
+        }
+        
+        response = self._send_operation(operation)
+        return response.get('status') == 'success'
+
+    def get_cached_data(self, key: str) -> Optional[Any]:
+        operation = {
+            'operation': 'cache',
+            'type': 'get',
+            'key': key
+        }
+        
+        response = self._send_operation(operation)
+        if response.get('status') == 'success':
+            return response['data']
+        return None
+
+    def wait_for_connection(self, timeout: float = 30.0) -> bool:
+        """Wait for WebSocket connection to be established"""
+        start_time = time.time()
+        while not self._closing and not self.connected:
+            if time.time() - start_time > timeout:
+                print("Connection timeout exceeded")
+                return False
+            time.sleep(0.1)
+        return self.connected
+
+    def is_connected(self) -> bool:
+        """Check if WebSocket connection is active"""
+        return self.connected and not self._closing
+        
+    def get_connection_status(self) -> Dict[str, Any]:
+        """Get detailed connection status"""
+        return {
+            "connected": self.connected,
+            "closing": self._closing,
+            "error_count": self.error_count,
+            "url": self.url,
+            "last_error_time": self.last_error_time,
+            "loaded_models": list(self.resource_monitor['loaded_models'])
+        }
+        
+    def start_inference(self, model_name: str, input_data: np.ndarray) -> Optional[Dict[str, Any]]:
+        """Start inference with a loaded model"""
+        try:
+            if not self.is_model_loaded(model_name):
+                print(f"Model {model_name} not loaded. Please load the model first.")
+                return None
+                
+            operation = {
+                'operation': 'inference',
+                'type': 'run',
+                'model_name': model_name,
+                'input_data': input_data.tolist() if isinstance(input_data, np.ndarray) else input_data
+            }
+            
+            response = self._send_operation(operation)
+            if response.get('status') == 'success':
+                return {
+                    'output': np.array(response['output']) if 'output' in response else None,
+                    'metrics': response.get('metrics', {}),
+                    'model_info': self.model_registry.get(model_name, {})
+                }
+            else:
+                print(f"Inference failed: {response.get('message', 'Unknown error')}")
+                return None
+        except Exception as e:
+            print(f"Error during inference: {str(e)}")
+            return None
+
+    def close(self):
+        """Close WebSocket connection and cleanup resources."""
+        if not self._closing:
+            self._closing = True
+            if self.websocket and self._loop:
+                async def cleanup():
+                    try:
+                        # Clean up registries
+                        with self.lock:
+                            self.tensor_registry.clear()
+                            self.model_registry.clear()
+                            self.resource_monitor['vram_used'] = 0
+                            self.resource_monitor['active_tensors'] = 0
+                            self.resource_monitor['loaded_models'].clear()
+                        
+                        # Notify server about cleanup
+                        if self.connected:
+                            try:
+                                await self.websocket.send(json.dumps({
+                                    'operation': 'cleanup',
+                                    'type': 'full'
+                                }))
+                            except:
+                                pass
+                                
+                        await self.websocket.close()
+                    except Exception as e:
+                        print(f"Error during cleanup: {str(e)}")
+                    finally:
+                        self.connected = False
+                        
+                if self._loop.is_running():
+                    self._loop.create_task(cleanup())
+                else:
+                    asyncio.run(cleanup())
+
+    async def aclose(self):
+        """Asynchronously close WebSocket connection."""
+        if not self._closing:
+            self._closing = True
+            if self.websocket:
+                try:
+                    await self.websocket.close()
+                except:
+                    pass
+                finally:
+                    self.connected = False
+                    
+    def __del__(self):
+        """Ensure cleanup on deletion."""
+        self.close()