package com.hdl.sdk.link.socket.client;
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import android.net.wifi.WifiManager;
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import android.text.TextUtils;
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import com.hdl.sdk.link.common.utils.LogUtils;
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import com.hdl.sdk.link.core.protocol.LinkMessageDecoder;
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import com.hdl.sdk.link.socket.SocketPool;
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import com.hdl.sdk.link.socket.bean.Packet;
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import com.hdl.sdk.link.socket.udp.UdpSocketBoot;
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import com.hdl.sdk.link.socket.udp.UdpSocketOptions;
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import com.hdl.sdk.link.socket.codec.IHandleMessage;
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import java.io.IOException;
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import java.net.DatagramPacket;
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import java.net.DatagramSocket;
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import java.net.Inet4Address;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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/**
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* Created by hxb on 2021/12/12.
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*/
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public class UdpClient implements IUdpClient {
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/**
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* 当前socket
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*/
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private DatagramSocket mSocket;
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/**
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* 接收数据包
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*/
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private DatagramPacket receivePacket;
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/**
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* 缓冲区大小
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*/
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private final int BUFFER = 2 * 1024;
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/**
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* 本地监听IP地址
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*/
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private String ipAddress;
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/**
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* 本地监听端口
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*/
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private int port;
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/**
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* socket配置信息
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*/
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private UdpSocketOptions socketOptions;
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WifiManager.MulticastLock lock;
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/**
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* 初始化参数
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* @param ipAddress 本地监听端口
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* @param port 本地监听端口
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* @param socketOptions
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*/
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public UdpClient(String ipAddress, int port, UdpSocketOptions socketOptions) {
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this.ipAddress = ipAddress;
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this.port = port;
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this.socketOptions = socketOptions;
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byte[] receiveByte = new byte[BUFFER];
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receivePacket = new DatagramPacket(receiveByte, receiveByte.length);
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this.lock= socketOptions.getWifiManager().createMulticastLock("UDPwifi");
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}
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/**
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* 初始化参数
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* @param ipAddress 本地监听IP地址
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* @param port 本地监听端口
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* @param options
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* @return
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*/
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public static UdpSocketBoot init(String ipAddress, int port, UdpSocketOptions options) {
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return new UdpSocketBoot(new UdpClient(ipAddress, port, options));
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}
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/**
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* 初始化参数
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* @param port 本地监听端口
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* @param options
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* @return
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*/
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public static UdpSocketBoot init(int port, UdpSocketOptions options) {
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return init("0.0.0.0", port, options);
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}
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@Override
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public synchronized void bind() throws Exception {
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try {
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//已经绑定过就不用再绑定
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if (null != mSocket) {
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return;
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}
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lock.acquire();
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if (TextUtils.isEmpty(ipAddress)) {
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mSocket = SocketPool.getInstance().getUdpSocket(new InetSocketAddress(Inet4Address.getByName("0.0.0.0"), port));
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}
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else{
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mSocket = SocketPool.getInstance().getUdpSocket(new InetSocketAddress(Inet4Address.getByName(ipAddress), port));
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}
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mSocket.setBroadcast(true);
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// mSocket.setReuseAddress(true);
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} catch (Exception e) {
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throw e;
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}
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}
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@Override
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public boolean close() {
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try {
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mSocket.close();
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} catch (Exception e) {
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}
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mSocket = null;
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return true;
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}
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@Override
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public UdpSocketOptions getOptions() {
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return this.socketOptions;
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}
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@Override
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public void onHandleResponse() throws Exception {
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if (mSocket == null) {
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return;
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}
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try {
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mSocket.receive(receivePacket);
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} catch (Exception e) {
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LogUtils.e("接收到Udp数据包异常，异常信息：" + e.getMessage());
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return;
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}
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if (receivePacket.getLength() == 0) {
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LogUtils.i("接收到Udp数据包，数据包长度为0：" + receivePacket.getAddress().getHostAddress() + ":" + receivePacket.getPort());
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return;
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}
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//排除自己发出去的
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// try {
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// if (IpUtils.isLocalIpAddress(receivePacket.getAddress().getHostAddress()))
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// return;
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// } catch (Exception ignored) {
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//
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// }
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try {
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LogUtils.i("接收到Udp数据包，网络地址：" + receivePacket.getAddress().getHostAddress() + ":" + receivePacket.getPort());
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// IHandleMessage handleMessage = getOptions().getHandleMessage();
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// if (handleMessage != null) {
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// byte[] data = new byte[receivePacket.getLength()];
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// System.arraycopy(receivePacket.getData(), 0, data, 0, data.length);
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// handleMessage.read(new Packet(receivePacket.getAddress().getHostAddress(), data,null));
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// }
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byte[] data = new byte[receivePacket.getLength()];
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System.arraycopy(receivePacket.getData(), 0, data, 0, data.length);
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socketOptions.getHandleMessage().read(new Packet(data));
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} catch (Exception e) {
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LogUtils.i("接收到Udp数据包，处理异常：" + e.getMessage());
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}
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}
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@Override
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public void sendMsg(String ipAddress,int port, byte[] msg) throws Exception {
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if (msg == null) {
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return;
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}
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final DatagramPacket sendPacket = new DatagramPacket(msg, msg.length, InetAddress.getByName(ipAddress), port);
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if (mSocket != null) {
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mSocket.send(sendPacket);
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} else {
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DatagramSocket datagramSocket = new DatagramSocket();
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datagramSocket.send(sendPacket);
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datagramSocket.close();
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}
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}
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}
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