fix ios issue

ios/Sources/SocketsPlugin/Socket.swift

@@ -14,6 +14,8 @@ public class Socket: NSObject {
     
     weak var delegate: SocketDelegate?
     
+    var dataBuffer = Data()
+    
     public init(id: String) {
         self.id = id
     }
@@ -35,7 +37,7 @@ public class Socket: NSObject {
         let connection = NWConnection(host: NWEndpoint.Host(host), port: NWEndpoint.Port(String(port))!, using: parameters)
         connection.stateUpdateHandler = self.stateDidChange(to:)
         self.receive(on: connection)
-        connection.start(queue: .main)
+        connection.start(queue: DispatchQueue(label: "Igloo"))
         self.connection = connection
     }
     
@@ -46,53 +48,64 @@ public class Socket: NSObject {
     }
     
     public func disconnect() {
-        connection?.forceCancel()
+        connection?.cancel()
     }
     
     func stateDidChange(to state: NWConnection.State) {
         switch state {
             case .setup:
                 print("connection setup")
-                break
                 
             case .waiting(let error):
                 print("connection waiting: \(error)")
-                break
                 
             case .preparing:
                 self.delegate?.didChangeState(socket: self.id, state: .connecting)
-                break
                 
             case .ready:
                 self.delegate?.didChangeState(socket: self.id, state: .connected)
-                break
                 
             case .failed(let error):
                 print("connection failed: \(error)")
-                break
+                self.delegate?.didChangeState(socket: self.id, state: .disconnected)
+                self.disconnect()
                 
             case .cancelled:
                 self.delegate?.didChangeState(socket: self.id, state: .disconnected)
-                break
             
             default:
                 print("other")
-                break
         }
     }
     
     func receive(on connection: NWConnection) {
         connection.receive(minimumIncompleteLength: 1, maximumLength: 65536) { (data, contentContext, isComplete, error) in
-            if let data = data, !data.isEmpty {
-                if let message = String(data: data, encoding: .utf8) {
-                    self.delegate?.didReceiveMessage(socket: self.id, message: message)
-                }
+            if let error = error {
+                print("Receive error: \(error)")
+                self.delegate?.didChangeState(socket: self.id, state: .disconnected)
+                return
             }
             
-            if (connection.state == .ready) {
+            if let data = data, !data.isEmpty {
+                self.dataBuffer.append(data) // Append the data to the buffer
+                
+                // Process buffer if enough data is available (protocol-specific logic)
+                if let message = String(data: self.dataBuffer, encoding: .utf8) {
+                    self.delegate?.didReceiveMessage(socket: self.id, message: message)
+                    self.dataBuffer.removeAll() // Clear buffer after processing
+                }
+            }
+
+            if connection.state == .ready {
                 self.receive(on: connection)
             }
+
+            if isComplete {
+                print("Connection completed.")
+                self.delegate?.didChangeState(socket: self.id, state: .disconnected)
+            }
         }
     }
+
     
 }