Java tutorial
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In no event and under no legal theory, * whether in tort (including negligence), contract, or otherwise, * unless required by applicable law (such as deliberate and grossly * negligent acts) or agreed to in writing, shall any Contributor be * liable to You for damages, including any direct, indirect, special, * incidental, or consequential damages of any character arising as a * result of this License or out of the use or inability to use the * Work (including but not limited to damages for loss of goodwill, * work stoppage, computer failure or malfunction, or any and all * other commercial damages or losses), even if such Contributor * has been advised of the possibility of such damages. * * 9. Accepting Warranty or Additional Liability. While redistributing * the Work or Derivative Works thereof, You may choose to offer, * and charge a fee for, acceptance of support, warranty, indemnity, * or other liability obligations and/or rights consistent with this * License. However, in accepting such obligations, You may act only * on Your own behalf and on Your sole responsibility, not on behalf * of any other Contributor, and only if You agree to indemnify, * defend, and hold each Contributor harmless for any liability * incurred by, or claims asserted against, such Contributor by reason * of your accepting any such warranty or additional liability. * * END OF TERMS AND CONDITIONS * * * Copyright (c) Bug 2016. * * */ package cn.scujcc.bug.bitcoinplatformandroid.util.socket.websocket; import android.util.Log; import java.net.URI; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.Map; import java.util.Set; import java.util.Timer; import java.util.TimerTask; import io.netty.bootstrap.Bootstrap; import io.netty.channel.Channel; import io.netty.channel.ChannelFuture; import io.netty.channel.ChannelFutureListener; import io.netty.channel.ChannelInitializer; import io.netty.channel.ChannelOption; import io.netty.channel.ChannelPipeline; import io.netty.channel.EventLoopGroup; import io.netty.channel.nio.NioEventLoopGroup; import io.netty.channel.socket.SocketChannel; import io.netty.channel.socket.nio.NioSocketChannel; import io.netty.handler.codec.http.DefaultHttpHeaders; import io.netty.handler.codec.http.HttpClientCodec; import io.netty.handler.codec.http.HttpObjectAggregator; import io.netty.handler.codec.http.websocketx.TextWebSocketFrame; import io.netty.handler.codec.http.websocketx.WebSocketClientHandshakerFactory; import io.netty.handler.codec.http.websocketx.WebSocketVersion; import io.netty.handler.ssl.SslContext; public abstract class WebSocketBase { private static final String TAG = "WebSocketBase"; private WebSocketService service = null; private Timer timerTask = null; private MoniterTask moniter = null; private EventLoopGroup group = null; private Bootstrap bootstrap = null; private Channel channel = null; private String url = null; private ChannelFuture future = null; private boolean isAlive = false; /** * siteFlag=0,siteFlag=1 */ private int siteFlag = 0; private Set<String> subscribChannel = new HashSet<String>(); public WebSocketBase(String url, WebSocketService serivce) { this.url = url; this.service = serivce; } public void start() { if (url == null) { Log.e(TAG, "WebSocketClient start error url can not be null"); return; } if (service == null) { Log.e(TAG, "WebSocketClient start error WebSocketService can not be null"); return; } moniter = new MoniterTask(this); this.connect(); timerTask = new Timer(); timerTask.schedule(moniter, 1000, 5000); } public void setStatus(boolean flag) { this.isAlive = flag; } public void addChannel(String channel) { if (channel == null) { return; } String dataMsg = "{'event':'addChannel','channel':'" + channel + "','binary':'true'}"; this.sendMessage(dataMsg); subscribChannel.add(channel); } public void removeChannel(String channel) { if (channel == null) { return; } String dataMsg = "{'event':'removeChannel','channel':'" + channel + "'}"; this.sendMessage(dataMsg); subscribChannel.remove(channel); } /** * ??? * * @param apiKey * @param secretKey * @param symbol * @param orderId * @param contractType */ public void cancelFutureOrder(String apiKey, String secretKey, String symbol, long orderId, String contractType) { Log.e(TAG, "apiKey=" + apiKey + ", secretKey=" + secretKey + ", symbol=" + symbol + ", orderId=" + orderId + ", contractType=" + contractType); Map<String, String> preMap = new HashMap<String, String>(); preMap.put("api_key", apiKey); preMap.put("symbol", symbol); preMap.put("order_id", String.valueOf(orderId)); preMap.put("contract_type", contractType); String preStr = MD5Util.createLinkString(preMap); preStr = preStr + "&secret_key=" + secretKey; String signStr = MD5Util.getMD5String(preStr); preMap.put("sign", signStr); String params = MD5Util.getParams(preMap); StringBuilder tradeStr = new StringBuilder( "{'event': 'addChannel','channel': 'ok_futuresusd_cancel_order','parameters': ").append(params) .append("}"); this.sendMessage(tradeStr.toString()); } /** * ? * * @param apiKey * @param secretKey * @param symbol * @param orderId */ public void cancelOrder(String apiKey, String secretKey, String symbol, Long orderId) { Log.e(TAG, "apiKey=" + apiKey + ", secretKey=" + secretKey + ", symbol=" + symbol + ", orderId=" + orderId); Map<String, String> preMap = new HashMap<String, String>(); preMap.put("api_key", apiKey); preMap.put("symbol", symbol); preMap.put("order_id", orderId.toString()); String preStr = MD5Util.createLinkString(preMap); StringBuilder preBuilder = new StringBuilder(preStr); preBuilder.append("&secret_key=").append(secretKey); String signStr = MD5Util.getMD5String(preBuilder.toString()); preMap.put("sign", signStr); String params = MD5Util.getParams(preMap); String channel = "ok_spotcny_cancel_order"; if (siteFlag == 1) { channel = "ok_spotusd_cancel_order"; } StringBuilder tradeStr = new StringBuilder( "{'event':'addChannel', 'channel':'" + channel + "', 'parameters':").append(params).append("}"); this.sendMessage(tradeStr.toString()); } /** * ?? * * @param apiKey * @param secretKey */ public void futureRealtrades(String apiKey, String secretKey) { Log.e(TAG, "apiKey=" + apiKey + ", secretKey=" + secretKey); StringBuilder preStr = new StringBuilder("api_key="); preStr.append(apiKey).append("&secret_key=").append(secretKey); String signStr = MD5Util.getMD5String(preStr.toString()); StringBuilder tradeStr = new StringBuilder( "{'event':'addChannel','channel':'ok_sub_futureusd_trades','parameters':{'api_key':'") .append(apiKey).append("','sign':'").append(signStr).append("'},'binary':'true'}"); Log.e(TAG, tradeStr.toString()); this.sendMessage(tradeStr.toString()); } /** * ?? * * @param apiKey * @param secretKey * @param symbol * @param contractType * @param price * @param amount * @param type * @param matchPrice * @param leverRate */ public void futureTrade(String apiKey, String secretKey, String symbol, String contractType, double price, int amount, int type, double matchPrice, int leverRate) { Log.e(TAG, "apiKey=" + apiKey + ", secretKey=" + secretKey + ", symbol=" + symbol + ", contractType=" + contractType + ", price=" + price + ", amount=" + amount + ", type=" + type + ", matchPrice=" + matchPrice + ", leverRate=" + leverRate); Map<String, String> preMap = new HashMap<String, String>(); // ?? preMap.put("api_key", apiKey); preMap.put("symbol", symbol); preMap.put("contract_type", contractType); preMap.put("price", String.valueOf(price)); preMap.put("amount", String.valueOf(amount)); preMap.put("type", String.valueOf(type)); preMap.put("match_price", String.valueOf(matchPrice)); preMap.put("lever_rate", String.valueOf(leverRate)); String preStr = MD5Util.createLinkString(preMap); preStr = preStr + "&secret_key=" + secretKey; // ?? String signStr = MD5Util.getMD5String(preStr); // ? preMap.put("sign", signStr); String params = MD5Util.getParams(preMap); // json StringBuilder tradeStr = new StringBuilder( "{'event': 'addChannel','channel':'ok_futuresusd_trade','parameters':").append(params).append("}"); Log.e(TAG, tradeStr.toString()); this.sendMessage(tradeStr.toString()); } /** * ? */ public void getUserInfo(String apiKey, String secretKey) { Log.e(TAG, "apiKey=" + apiKey + ", secretKey=" + secretKey); StringBuilder preStr = new StringBuilder("api_key="); preStr.append(apiKey).append("&secret_key=").append(secretKey); String signStr = MD5Util.getMD5String(preStr.toString()); String channel = "ok_spotcny_userinfo"; if (siteFlag == 1) { channel = "ok_spotusd_userinfo"; } StringBuilder tradeStr = new StringBuilder("{'event':'addChannel','channel':'").append(channel) .append("','parameters':{'api_key':'").append(apiKey).append("','sign':'").append(signStr) .append("'},'binary':'true'}"); Log.e(TAG, tradeStr.toString()); this.sendMessage(tradeStr.toString()); } /** * ? * * @param apiKey * @param secretKey */ public void subUserInfo(String apiKey, String secretKey) { Log.e(TAG, "apiKey=" + apiKey + ", secretKey=" + secretKey); StringBuilder preStr = new StringBuilder("api_key="); preStr.append(apiKey).append("&secret_key=").append(secretKey); String signStr = MD5Util.getMD5String(preStr.toString()); String channel = "ok_sub_spotcny_userinfo"; if (siteFlag == 1) { channel = "ok_sub_spotusd_userinfo"; } StringBuilder tradeStr = new StringBuilder("{'event':'addChannel','channel':'").append(channel) .append("','parameters':{'api_key':'").append(apiKey).append("','sign':'").append(signStr) .append("'},'binary':'true'}"); Log.e(TAG, tradeStr.toString()); this.sendMessage(tradeStr.toString()); subscribChannel.add(channel); } /** * ? * * @param apiKey * @param secretKey */ public void realTrades(String apiKey, String secretKey) { Log.e(TAG, "apiKey=" + apiKey + ", secretKey=" + secretKey); StringBuilder preStr = new StringBuilder("api_key="); preStr.append(apiKey).append("&secret_key=").append(secretKey); String signStr = MD5Util.getMD5String(preStr.toString()); String channel = "ok_sub_spotcny_trades"; if (siteFlag == 1) { channel = "ok_sub_spotusd_trades"; } StringBuilder tradeStr = new StringBuilder( "{'event':'addChannel','channel':'" + channel + "','parameters':{'api_key':'").append(apiKey) .append("','sign':'").append(signStr).append("'},'binary':'true'}"); Log.e(TAG, tradeStr.toString()); this.sendMessage(tradeStr.toString()); } /** * ? * * @param apiKey * @param symbol * @param secretKey * @param price * @param amount * @param type */ public void spotTrade(String apiKey, String secretKey, String symbol, String price, String amount, String type) { Map<String, String> signPreMap = new HashMap<String, String>(); signPreMap.put("api_key", apiKey); signPreMap.put("symbol", symbol); if (price != null) { signPreMap.put("price", price); } if (amount != null) { signPreMap.put("amount", amount); } signPreMap.put("type", type); String preStr = MD5Util.createLinkString(signPreMap); StringBuilder preBuilder = new StringBuilder(preStr); preBuilder.append("&secret_key=").append(secretKey); String signStr = MD5Util.getMD5String(preBuilder.toString()); String channel = "ok_spotcny_trade"; if (siteFlag == 1) { channel = "ok_spotusd_trade"; } StringBuilder tradeStr = new StringBuilder( "{'event':'addChannel','channel':'" + channel + "','parameters':"); signPreMap.put("sign", signStr); String params = MD5Util.getParams(signPreMap); tradeStr.append(params).append("}"); Log.e(TAG, tradeStr.toString()); this.sendMessage(tradeStr.toString()); } private void connect() { try { final URI uri = new URI(url); if (uri == null) { return; } if (uri.getHost().contains("com")) { siteFlag = 1; } group = new NioEventLoopGroup(1); bootstrap = new Bootstrap(); final SslContext sslCtx = SslContext.newClientContext(); final WebSocketClientHandler handler = new WebSocketClientHandler( WebSocketClientHandshakerFactory.newHandshaker(uri, WebSocketVersion.V13, null, false, new DefaultHttpHeaders(), Integer.MAX_VALUE), service, moniter); bootstrap.group(group).option(ChannelOption.TCP_NODELAY, true).channel(NioSocketChannel.class) .handler(new ChannelInitializer<SocketChannel>() { protected void initChannel(SocketChannel ch) { ChannelPipeline p = ch.pipeline(); if (sslCtx != null) { p.addLast(sslCtx.newHandler(ch.alloc(), uri.getHost(), uri.getPort())); } p.addLast(new HttpClientCodec(), new HttpObjectAggregator(8192), handler); } }); future = bootstrap.connect(uri.getHost(), uri.getPort()); future.addListener(new ChannelFutureListener() { public void operationComplete(final ChannelFuture future) throws Exception { } }); channel = future.sync().channel(); handler.handshakeFuture().sync(); this.setStatus(true); } catch (Exception e) { Log.e(TAG, "WebSocketClient start error " + e.getLocalizedMessage()); group.shutdownGracefully(); this.setStatus(false); } } private void sendMessage(String message) { if (!isAlive) { Log.e(TAG, "WebSocket is not Alive addChannel error"); } if (null == channel) { Log.e(TAG, "WebSocket is channel null"); } else { channel.writeAndFlush(new TextWebSocketFrame(message)); } } public void sentPing() { String dataMsg = "{'event':'ping'}"; this.sendMessage(dataMsg); } public void reConnect() { try { this.group.shutdownGracefully(); this.group = null; this.connect(); if (future.isSuccess()) { this.setStatus(true); this.sentPing(); Iterator<String> it = subscribChannel.iterator(); while (it.hasNext()) { String channel = it.next(); this.addChannel(channel); } } } catch (Exception e) { e.printStackTrace(); } } public void setUrl(String url) { this.url = url; } } class MoniterTask extends TimerTask { private long startTime = System.currentTimeMillis(); private int checkTime = 5000; private WebSocketBase client = null; public void updateTime() { // Log.e(TAG,("startTime is update"); startTime = System.currentTimeMillis(); } public MoniterTask(WebSocketBase client) { this.client = client; // Log.e(TAG,("TimerTask is starting.... "); } public void run() { if (System.currentTimeMillis() - startTime > checkTime) { client.setStatus(false); // Log.e(TAG,("Moniter reconnect....... "); client.reConnect(); } client.sentPing(); // Log.e(TAG,("Moniter ping data sent.... "); } }