WebSocket Android 服务端

import android.util.Log
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import org.java_websocket.server.WebSocketServer
import org.java_websocket.handshake.ClientHandshake
import org.java_websocket.WebSocket
import java.lang.Exception
import java.net.InetSocketAddress
import java.util.concurrent.CopyOnWriteArraySet
import java.util.concurrent.atomic.AtomicInteger

/**
 * MyWebSocketServer 服务端
 */
class MyWebSocketServer(port: Int) : WebSocketServer(InetSocketAddress(port)) {
    override fun onOpen(conn: WebSocket, handshake: ClientHandshake) {}
    override fun onClose(conn: WebSocket, code: Int, reason: String, remote: Boolean) {
        WsPool.remove(conn)
        println(reason)
    }

    override fun onMessage(conn: WebSocket, message: String) {
        if (null != message && message.startsWith("online")) {
            WsPool.add(conn)
        } else if (null != message && message.startsWith("offline")) {
            WsPool.remove(conn)
        }
    }



    override fun onError(conn: WebSocket, ex: Exception) {
        println("on error")
    }

    override fun onStart() {
        Log.d("websocket", "onStart()，WebSocket服务端启动成功")
    }

    private fun sendImageFrame() {
//        CoroutineScope(Dispatchers.IO).launch {
//            application!!.mCurrentImageFrameBase64.collect{
//                for (item in WsPool) {
//                    item.send(it)
//                }
//                Log.e("当前在线人数:","${WsPool.size}")
//            }
//        }
    }

    companion object {
        private val allConnectCount = AtomicInteger(0)
        private val WsPool = CopyOnWriteArraySet<WebSocket>()
    }

    init {
        sendImageFrame()
    }