Examples with Metrics io.vertx.core.spi.metrics.Metrics used on opensource projects

Example 1 with Metrics

use of io.vertx.core.spi.metrics.Metrics in project vert.x by eclipse.

the class HttpServerImpl method listen.

public synchronized HttpServer listen(int port, String host, Handler<AsyncResult<HttpServer>> listenHandler) {
    if (requestStream.handler() == null && wsStream.handler() == null) {
        throw new IllegalStateException("Set request or websocket handler first");
    }
    if (listening) {
        throw new IllegalStateException("Already listening");
    }
    listenContext = vertx.getOrCreateContext();
    listening = true;
    serverOrigin = (options.isSsl() ? "https" : "http") + "://" + host + ":" + port;
    List<HttpVersion> applicationProtocols = options.getAlpnVersions();
    if (listenContext.isWorkerContext()) {
        applicationProtocols = applicationProtocols.stream().filter(v -> v != HttpVersion.HTTP_2).collect(Collectors.toList());
    }
    sslHelper.setApplicationProtocols(applicationProtocols);
    synchronized (vertx.sharedHttpServers()) {
        // Will be updated on bind for a wildcard port
        this.actualPort = port;
        id = new ServerID(port, host);
        HttpServerImpl shared = vertx.sharedHttpServers().get(id);
        if (shared == null || port == 0) {
            serverChannelGroup = new DefaultChannelGroup("vertx-acceptor-channels", GlobalEventExecutor.INSTANCE);
            ServerBootstrap bootstrap = new ServerBootstrap();
            bootstrap.group(vertx.getAcceptorEventLoopGroup(), availableWorkers);
            bootstrap.channel(NioServerSocketChannel.class);
            applyConnectionOptions(bootstrap);
            sslHelper.validate(vertx);
            bootstrap.childHandler(new ChannelInitializer<Channel>() {

                @Override
                protected void initChannel(Channel ch) throws Exception {
                    if (requestStream.isPaused() || wsStream.isPaused()) {
                        ch.close();
                        return;
                    }
                    ChannelPipeline pipeline = ch.pipeline();
                    if (sslHelper.isSSL()) {
                        pipeline.addLast("ssl", sslHelper.createSslHandler(vertx));
                        if (options.isUseAlpn()) {
                            pipeline.addLast("alpn", new ApplicationProtocolNegotiationHandler("http/1.1") {

                                @Override
                                protected void configurePipeline(ChannelHandlerContext ctx, String protocol) throws Exception {
                                    if (protocol.equals("http/1.1")) {
                                        configureHttp1(pipeline);
                                    } else {
                                        handleHttp2(ch);
                                    }
                                }
                            });
                        } else {
                            configureHttp1(pipeline);
                        }
                    } else {
                        if (DISABLE_HC2) {
                            configureHttp1(pipeline);
                        } else {
                            pipeline.addLast(new Http1xOrHttp2Handler());
                        }
                    }
                }
            });
            addHandlers(this, listenContext);
            try {
                bindFuture = AsyncResolveConnectHelper.doBind(vertx, port, host, bootstrap);
                bindFuture.addListener(res -> {
                    if (res.failed()) {
                        vertx.sharedHttpServers().remove(id);
                    } else {
                        Channel serverChannel = res.result();
                        HttpServerImpl.this.actualPort = ((InetSocketAddress) serverChannel.localAddress()).getPort();
                        serverChannelGroup.add(serverChannel);
                        metrics = vertx.metricsSPI().createMetrics(this, new SocketAddressImpl(port, host), options);
                    }
                });
            } catch (final Throwable t) {
                // Make sure we send the exception back through the handler (if any)
                if (listenHandler != null) {
                    vertx.runOnContext(v -> listenHandler.handle(Future.failedFuture(t)));
                } else {
                    // No handler - log so user can see failure
                    log.error(t);
                }
                listening = false;
                return this;
            }
            vertx.sharedHttpServers().put(id, this);
            actualServer = this;
        } else {
            // Server already exists with that host/port - we will use that
            actualServer = shared;
            this.actualPort = shared.actualPort;
            addHandlers(actualServer, listenContext);
            metrics = vertx.metricsSPI().createMetrics(this, new SocketAddressImpl(port, host), options);
        }
        actualServer.bindFuture.addListener(future -> {
            if (listenHandler != null) {
                final AsyncResult<HttpServer> res;
                if (future.succeeded()) {
                    res = Future.succeededFuture(HttpServerImpl.this);
                } else {
                    res = Future.failedFuture(future.cause());
                    listening = false;
                }
                listenContext.runOnContext((v) -> listenHandler.handle(res));
            } else if (future.failed()) {
                listening = false;
                log.error(future.cause());
            }
        });
    }
    return this;
}

Example 2 with Metrics

use of io.vertx.core.spi.metrics.Metrics in project vert.x by eclipse.

the class NetServerBase method listen.

public synchronized void listen(Handler<? super C> handler, int port, String host, Handler<AsyncResult<Void>> listenHandler) {
    if (handler == null) {
        throw new IllegalStateException("Set connect handler first");
    }
    if (listening) {
        throw new IllegalStateException("Listen already called");
    }
    listening = true;
    listenContext = vertx.getOrCreateContext();
    registeredHandler = handler;
    synchronized (vertx.sharedNetServers()) {
        // Will be updated on bind for a wildcard port
        this.actualPort = port;
        id = new ServerID(port, host);
        NetServerBase shared = vertx.sharedNetServers().get(id);
        if (shared == null || port == 0) {
            // Wildcard port will imply a new actual server each time
            serverChannelGroup = new DefaultChannelGroup("vertx-acceptor-channels", GlobalEventExecutor.INSTANCE);
            ServerBootstrap bootstrap = new ServerBootstrap();
            bootstrap.group(availableWorkers);
            bootstrap.channel(NioServerSocketChannel.class);
            sslHelper.validate(vertx);
            bootstrap.childHandler(new ChannelInitializer<Channel>() {

                @Override
                protected void initChannel(Channel ch) throws Exception {
                    if (isPaused()) {
                        ch.close();
                        return;
                    }
                    ChannelPipeline pipeline = ch.pipeline();
                    NetServerBase.this.initChannel(ch.pipeline());
                    pipeline.addLast("handler", new ServerHandler(ch));
                }
            });
            applyConnectionOptions(bootstrap);
            handlerManager.addHandler(handler, listenContext);
            try {
                bindFuture = AsyncResolveConnectHelper.doBind(vertx, port, host, bootstrap);
                bindFuture.addListener(res -> {
                    if (res.succeeded()) {
                        Channel ch = res.result();
                        log.trace("Net server listening on " + host + ":" + ch.localAddress());
                        NetServerBase.this.actualPort = ((InetSocketAddress) ch.localAddress()).getPort();
                        NetServerBase.this.id = new ServerID(NetServerBase.this.actualPort, id.host);
                        serverChannelGroup.add(ch);
                        vertx.sharedNetServers().put(id, NetServerBase.this);
                        metrics = vertx.metricsSPI().createMetrics(new SocketAddressImpl(id.port, id.host), options);
                    } else {
                        vertx.sharedNetServers().remove(id);
                    }
                });
            } catch (Throwable t) {
                // Make sure we send the exception back through the handler (if any)
                if (listenHandler != null) {
                    vertx.runOnContext(v -> listenHandler.handle(Future.failedFuture(t)));
                } else {
                    // No handler - log so user can see failure
                    log.error(t);
                }
                listening = false;
                return;
            }
            if (port != 0) {
                vertx.sharedNetServers().put(id, this);
            }
            actualServer = this;
        } else {
            // Server already exists with that host/port - we will use that
            actualServer = shared;
            this.actualPort = shared.actualPort();
            metrics = vertx.metricsSPI().createMetrics(new SocketAddressImpl(id.port, id.host), options);
            actualServer.handlerManager.addHandler(handler, listenContext);
        }
        // just add it to the future so it gets notified once the bind is complete
        actualServer.bindFuture.addListener(res -> {
            if (listenHandler != null) {
                AsyncResult<Void> ares;
                if (res.succeeded()) {
                    ares = Future.succeededFuture();
                } else {
                    listening = false;
                    ares = Future.failedFuture(res.cause());
                }
                listenContext.runOnContext(v -> listenHandler.handle(ares));
            } else if (res.failed()) {
                log.error("Failed to listen", res.cause());
                listening = false;
            }
        });
    }
    return;
}