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Adds reconnect

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This commit is contained in:
Thomas Philipona
2018-10-08 16:03:34 +02:00
parent 05ee7eb56e
commit 28cf1a75a4
1 changed files with 93 additions and 59 deletions
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152
websocket_bridge/src/main/java/ch/puzzle/lnd/websocketbridge/WebsocketBridge.java
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@@ -1,13 +1,22 @@
package ch.puzzle.lnd.websocketbridge;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.ApplicationArguments;
import org.springframework.messaging.converter.MappingJackson2MessageConverter;
import org.springframework.messaging.simp.stomp.StompSession;
import org.springframework.messaging.simp.stomp.StompSessionHandler;
import org.springframework.stereotype.Component;
import org.springframework.util.concurrent.ListenableFuture;
import org.springframework.web.client.HttpServerErrorException;
import org.springframework.web.socket.client.WebSocketClient;
import org.springframework.web.socket.client.standard.StandardWebSocketClient;
import org.springframework.web.socket.messaging.WebSocketStompClient;
@@ -15,82 +24,107 @@ import org.springframework.web.socket.sockjs.client.SockJsClient;
import org.springframework.web.socket.sockjs.client.Transport;
import org.springframework.web.socket.sockjs.client.WebSocketTransport;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
@Component
public class WebsocketBridge implements Runnable, DisposableBean {
private static final Logger logger = LoggerFactory.getLogger(WebsocketBridgeApplication.class);
private static final Logger logger = LoggerFactory.getLogger(WebsocketBridgeApplication.class);
private static String DEFAULT_URL = "wss://ln-self-order-pos-dev.ose3.puzzle.ch/websocket/invoice?access_token=";
private static String DEFAULT_TOPIC = "/topic/invoice";
private static String DEFAULT_COMMAND = "./dummy_command.sh";
private static String DEFAULT_URL = "wss://ln-self-order-pos-dev.ose3.puzzle.ch/websocket/invoice?access_token=";
private static String DEFAULT_TOPIC = "/topic/invoice";
private static String DEFAULT_COMMAND = "./dummy_command.sh";
private static String OPTION_ARG_URL = "url";
private static String OPTION_ARG_TOPIC = "topic";
private static String OPTION_ARG_COMMAND = "command";
private static String OPTION_ARG_URL = "url";
private static String OPTION_ARG_TOPIC = "topic";
private static String OPTION_ARG_COMMAND = "command";
private String url = DEFAULT_URL;
private String topic = DEFAULT_TOPIC;
private String command = DEFAULT_COMMAND;
private final ApplicationArguments args;
private Thread thread;
private Thread thread;
private boolean keepRunning = true;
private boolean keepRunning = true;
@Autowired
public WebsocketBridge(ApplicationArguments args) {
@Autowired
public WebsocketBridge(ApplicationArguments args) {
this.args = args;
initArguments(args);
this.thread = new Thread(this);
this.thread.start();
}
this.thread = new Thread(this);
this.thread.start();
}
@Override
public void run() {
logger.info("Application started with command-line arguments: {}", Arrays.toString(args.getSourceArgs()));
logger.info("NonOptionArgs: {}", args.getNonOptionArgs());
logger.info("OptionNames: {}", args.getOptionNames());
private void initArguments(ApplicationArguments args) {
logger.info("Application started with command-line arguments: {}", Arrays.toString(args.getSourceArgs()));
logger.info("NonOptionArgs: {}", args.getNonOptionArgs());
logger.info("OptionNames: {}", args.getOptionNames());
logger.info("Application started with command-line arguments: {}", Arrays.toString(args.getSourceArgs()));
logger.info("NonOptionArgs: {}", args.getNonOptionArgs());
logger.info("OptionNames: {}", args.getOptionNames());
logger.info("Application started with command-line arguments: {}", Arrays.toString(args.getSourceArgs()));
logger.info("NonOptionArgs: {}", args.getNonOptionArgs());
logger.info("OptionNames: {}", args.getOptionNames());
String url = DEFAULT_URL;
String topic = DEFAULT_TOPIC;
String command = DEFAULT_COMMAND;
if(args.getOptionValues(OPTION_ARG_URL) != null && !args.getOptionValues(OPTION_ARG_URL).equals("")) {
url = args.getOptionValues(OPTION_ARG_URL).get(0);
}
if (args.getOptionValues(OPTION_ARG_URL) != null && !args.getOptionValues(OPTION_ARG_URL).equals("")) {
url = args.getOptionValues(OPTION_ARG_URL).get(0);
}
if(args.getOptionValues(OPTION_ARG_TOPIC) != null && !args.getOptionValues(OPTION_ARG_TOPIC).equals("")) {
topic = args.getOptionValues(OPTION_ARG_TOPIC).get(0);
}
if (args.getOptionValues(OPTION_ARG_TOPIC) != null && !args.getOptionValues(OPTION_ARG_TOPIC).equals("")) {
topic = args.getOptionValues(OPTION_ARG_TOPIC).get(0);
}
if(args.getOptionValues(OPTION_ARG_COMMAND) != null && !args.getOptionValues(OPTION_ARG_COMMAND).equals("")) {
command = args.getOptionValues(OPTION_ARG_COMMAND).get(0);
}
if (args.getOptionValues(OPTION_ARG_COMMAND) != null && !args.getOptionValues(OPTION_ARG_COMMAND).equals("")) {
command = args.getOptionValues(OPTION_ARG_COMMAND).get(0);
}
}
private ListenableFuture<StompSession> connect() throws InterruptedException{
List<Transport> transports = new ArrayList<>(1);
transports.add(new WebSocketTransport(new StandardWebSocketClient()));
WebSocketClient transport = new SockJsClient(transports);
WebSocketStompClient stompClient = new WebSocketStompClient(transport);
stompClient.setMessageConverter(new MappingJackson2MessageConverter());
StompSessionHandler sessionHandler = new MyStompSessionHandler(topic, command);
ListenableFuture<StompSession> session = null;
boolean connected = false;
while(!connected) {
try {
Thread.sleep(5000);
session = stompClient.connect(url, sessionHandler);
session.get().isConnected();
connected = true;
}catch(HttpServerErrorException | ExecutionException e) {
logger.info("Connection Error", e);
// do try again
}
}
return session;
}
List<Transport> transports = new ArrayList<>(1);
transports.add(new WebSocketTransport( new StandardWebSocketClient()) );
WebSocketClient transport = new SockJsClient(transports);
WebSocketStompClient stompClient = new WebSocketStompClient(transport);
stompClient.setMessageConverter(new MappingJackson2MessageConverter());
StompSessionHandler sessionHandler = new MyStompSessionHandler(topic, command);
stompClient.connect(url, sessionHandler);
@Override
public void run() {
ListenableFuture<StompSession> session = null;
while (keepRunning) {
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
keepRunning = false;
}
}
}
while (keepRunning) {
try {
Thread.sleep(5000);
if(session == null || !session.get().isConnected()) {
logger.info("is not connected! Try reconnect");
session = connect();
}
} catch (InterruptedException | ExecutionException e) {
keepRunning = false;
}
}
}
@Override
public void destroy() throws Exception {
logger.info("Do stuff on destroy here");
}
@Override
public void destroy() throws Exception {
logger.info("Do stuff on destroy here");
}
}