Java 在Vertx中,如何在一段时间后实现WebSocket客户端重新连接?
我正在使用vertx连接websocket服务器,但当连接关闭时/服务器(暂时)关闭,请在一段时间后尝试重新连接 WebSocket代码为:Java 在Vertx中,如何在一段时间后实现WebSocket客户端重新连接?,java,websocket,vert.x,Java,Websocket,Vert.x,我正在使用vertx连接websocket服务器,但当连接关闭时/服务器(暂时)关闭,请在一段时间后尝试重新连接 WebSocket代码为: public void start() throws Exception { HttpClient client = vertx.createHttpClient(); MultiMap form = MultiMap.caseInsensitiveMultiMap(); if(MapUtils.isNotEmpty(header)) {
public void start() throws Exception {
HttpClient client = vertx.createHttpClient();
MultiMap form = MultiMap.caseInsensitiveMultiMap();
if(MapUtils.isNotEmpty(header)) {
header.forEach((k,v)-> {
form.set(k, v);
});
}
RequestOptions options = new RequestOptions()
.setHost(host)
.setPort(port)
.setSsl(sslFlag)
.setURI(uri);
Handler<WebSocket> socket = new Handler<WebSocket>() {
@Override
public void handle(WebSocket event) {
event.handler(data -> {
currentCount = 0;
LOGGER.info("Received data " + data.toString("ISO-8859-1"));
});
}
};
Handler<Throwable> exception = new Handler<Throwable>() {
@Override
public void handle(Throwable event) {
LOGGER.error("Exception occured in Websocket connection, retrying count is {}", currentCount, event);
}
};
client.websocket(options, form, socket , exception);
}
public void start()引发异常{
HttpClient=vertx.createHttpClient();
MultiMap form=MultiMap.caseinsensitivimultimap();
if(MapUtils.isNotEmpty(标题)){
页眉.forEach((k,v)->{
表格集(k,v);
});
}
RequestOptions=newrequestoptions()
.setHost(主机)
.setPort(端口)
.setSsl(sslFlag)
.setURI(uri);
处理程序套接字=新处理程序(){
@凌驾
公共无效句柄(WebSocket事件){
事件处理程序(数据->{
currentCount=0;
LOGGER.info(“接收数据”+数据toString(“ISO-8859-1”);
});
}
};
处理程序异常=新处理程序(){
@凌驾
公共无效句柄(可丢弃事件){
错误(“Websocket连接中发生异常,重试计数为{}”,currentCount,event);
}
};
websocket(选项、表单、套接字、异常);
}
以上代码端口、主机等均已配置。有人建议如何重新连接吗 您可以关闭客户端并重新启动它:
public void start() {
startClient(this.vertx);
}
private void startClient(Vertx vertx) {
HttpClient client = vertx.createHttpClient();
client.webSocket(8080, "localhost", "/", (ar) -> {
if (ar.succeeded()) {
WebSocket ctx = ar.result();
ctx.textMessageHandler((msg) -> {
System.out.println("Client " + msg);
ctx.writeTextMessage("pong");
}).exceptionHandler((e) -> {
System.out.println("Restarting in 10 seconds");
client.close();
vertx.setTimer(10 * 1000, (__) -> {
startClient(vertx);
});
});
} else {
System.out.println(ar.cause());
}
});
}
已编辑:连接时发生的任何异常也将在下面的代码中重试
private void startClient(Vertx vertx) {
HttpClient client = vertx.createHttpClient();
MultiMap form = MultiMap.caseInsensitiveMultiMap();
if(MapUtils.isNotEmpty(header)) {
header.forEach((k,v)-> {
form.set(k, v);
});
}
RequestOptions options = new RequestOptions()
.setHost(host)
.setPort(port)
.setSsl(sslFlag)
.setURI(uri);
client.websocket(options, form, (ctx) ->{
ctx.textMessageHandler( msg -> {
System.out.println("Client " + msg);
}).exceptionHandler((e) -> {
client.close();
vertx.setTimer(waitTime * 10 * 1000, (__) -> {
startClient(vertx);
});
});
}, (exec) -> {
vertx.setTimer(waitTime * 10 * 1000, (__) -> {
startClient(vertx);
});
});
}
我已经用io尝试过了。vertx:vertxWeb客户端:4.0.0-milestone4它可以工作,但有一个缺点。每次调用setTimer都会导致新线程的实例化,比如
vert.x-eventloop-thread-99
,而之前的线程则挂起