Examples with ConnPoolStats org.apache.hc.core5.pool.ConnPoolStats used on opensource projects

Example 1 with ConnPoolStats

use of org.apache.hc.core5.pool.ConnPoolStats in project httpcomponents-core by apache.

the class LoggingConnPoolListener method onRelease.

@Override
public void onRelease(final HttpHost route, final ConnPoolStats<HttpHost> connPoolStats) {
    if (connLog.isDebugEnabled()) {
        final StringBuilder buf = new StringBuilder();
        buf.append("Released ").append(route).append(" ");
        final PoolStats totals = connPoolStats.getTotalStats();
        buf.append(" total kept alive: ").append(totals.getAvailable()).append("; ");
        buf.append("total allocated: ").append(totals.getLeased() + totals.getAvailable());
        buf.append(" of ").append(totals.getMax());
        connLog.debug(buf.toString());
    }
}

Example 2 with ConnPoolStats

use of org.apache.hc.core5.pool.ConnPoolStats in project httpcomponents-core by apache.

the class AsyncReverseProxyExample method main.

public static void main(final String[] args) throws Exception {
    if (args.length < 1) {
        System.out.println("Usage: <hostname[:port]> [listener port] [--quiet]");
        System.exit(1);
    }
    // Target host
    final HttpHost targetHost = HttpHost.create(args[0]);
    int port = 8080;
    if (args.length > 1) {
        port = Integer.parseInt(args[1]);
    }
    for (final String s : args) {
        if ("--quiet".equalsIgnoreCase(s)) {
            quiet = true;
            break;
        }
    }
    println("Reverse proxy to " + targetHost);
    final IOReactorConfig config = IOReactorConfig.custom().setSoTimeout(1, TimeUnit.MINUTES).build();
    final HttpAsyncRequester requester = AsyncRequesterBootstrap.bootstrap().setIOReactorConfig(config).setConnPoolListener(new ConnPoolListener<HttpHost>() {

        @Override
        public void onLease(final HttpHost route, final ConnPoolStats<HttpHost> connPoolStats) {
            final StringBuilder buf = new StringBuilder();
            buf.append("[proxy->origin] connection leased ").append(route);
            println(buf.toString());
        }

        @Override
        public void onRelease(final HttpHost route, final ConnPoolStats<HttpHost> connPoolStats) {
            final StringBuilder buf = new StringBuilder();
            buf.append("[proxy->origin] connection released ").append(route);
            final PoolStats totals = connPoolStats.getTotalStats();
            buf.append("; total kept alive: ").append(totals.getAvailable()).append("; ");
            buf.append("total allocated: ").append(totals.getLeased() + totals.getAvailable());
            buf.append(" of ").append(totals.getMax());
            println(buf.toString());
        }
    }).setStreamListener(new Http1StreamListener() {

        @Override
        public void onRequestHead(final HttpConnection connection, final HttpRequest request) {
        // empty
        }

        @Override
        public void onResponseHead(final HttpConnection connection, final HttpResponse response) {
        // empty
        }

        @Override
        public void onExchangeComplete(final HttpConnection connection, final boolean keepAlive) {
            println("[proxy<-origin] connection " + connection.getLocalAddress() + "->" + connection.getRemoteAddress() + (keepAlive ? " kept alive" : " cannot be kept alive"));
        }
    }).setMaxTotal(100).setDefaultMaxPerRoute(20).create();
    final HttpAsyncServer server = AsyncServerBootstrap.bootstrap().setIOReactorConfig(config).setStreamListener(new Http1StreamListener() {

        @Override
        public void onRequestHead(final HttpConnection connection, final HttpRequest request) {
        // empty
        }

        @Override
        public void onResponseHead(final HttpConnection connection, final HttpResponse response) {
        // empty
        }

        @Override
        public void onExchangeComplete(final HttpConnection connection, final boolean keepAlive) {
            println("[client<-proxy] connection " + connection.getLocalAddress() + "->" + connection.getRemoteAddress() + (keepAlive ? " kept alive" : " cannot be kept alive"));
        }
    }).register("*", () -> new IncomingExchangeHandler(targetHost, requester)).create();
    Runtime.getRuntime().addShutdownHook(new Thread(() -> {
        println("Reverse proxy shutting down");
        server.close(CloseMode.GRACEFUL);
        requester.close(CloseMode.GRACEFUL);
    }));
    requester.start();
    server.start();
    server.listen(new InetSocketAddress(port), URIScheme.HTTP);
    println("Listening on port " + port);
    server.awaitShutdown(TimeValue.MAX_VALUE);
}

Example 3 with ConnPoolStats

use of org.apache.hc.core5.pool.ConnPoolStats in project httpcomponents-core by apache.

the class ClassicReverseProxyExample method main.

public static void main(final String[] args) throws Exception {
    if (args.length < 1) {
        System.out.println("Usage: <hostname[:port]> [listener port]");
        System.exit(1);
    }
    final HttpHost targetHost = HttpHost.create(args[0]);
    int port = 8080;
    if (args.length > 1) {
        port = Integer.parseInt(args[1]);
    }
    System.out.println("Reverse proxy to " + targetHost);
    final HttpRequester requester = RequesterBootstrap.bootstrap().setStreamListener(new Http1StreamListener() {

        @Override
        public void onRequestHead(final HttpConnection connection, final HttpRequest request) {
            System.out.println("[proxy->origin] " + Thread.currentThread() + " " + request.getMethod() + " " + request.getRequestUri());
        }

        @Override
        public void onResponseHead(final HttpConnection connection, final HttpResponse response) {
            System.out.println("[proxy<-origin] " + Thread.currentThread() + " status " + response.getCode());
        }

        @Override
        public void onExchangeComplete(final HttpConnection connection, final boolean keepAlive) {
            System.out.println("[proxy<-origin] " + Thread.currentThread() + " exchange completed; " + "connection " + (keepAlive ? "kept alive" : "cannot be kept alive"));
        }
    }).setConnPoolListener(new ConnPoolListener<HttpHost>() {

        @Override
        public void onLease(final HttpHost route, final ConnPoolStats<HttpHost> connPoolStats) {
            final StringBuilder buf = new StringBuilder();
            buf.append("[proxy->origin] ").append(Thread.currentThread()).append(" connection leased ").append(route);
            System.out.println(buf);
        }

        @Override
        public void onRelease(final HttpHost route, final ConnPoolStats<HttpHost> connPoolStats) {
            final StringBuilder buf = new StringBuilder();
            buf.append("[proxy->origin] ").append(Thread.currentThread()).append(" connection released ").append(route);
            final PoolStats totals = connPoolStats.getTotalStats();
            buf.append("; total kept alive: ").append(totals.getAvailable()).append("; ");
            buf.append("total allocated: ").append(totals.getLeased() + totals.getAvailable());
            buf.append(" of ").append(totals.getMax());
            System.out.println(buf);
        }
    }).create();
    final HttpServer server = ServerBootstrap.bootstrap().setListenerPort(port).setStreamListener(new Http1StreamListener() {

        @Override
        public void onRequestHead(final HttpConnection connection, final HttpRequest request) {
            System.out.println("[client->proxy] " + Thread.currentThread() + " " + request.getMethod() + " " + request.getRequestUri());
        }

        @Override
        public void onResponseHead(final HttpConnection connection, final HttpResponse response) {
            System.out.println("[client<-proxy] " + Thread.currentThread() + " status " + response.getCode());
        }

        @Override
        public void onExchangeComplete(final HttpConnection connection, final boolean keepAlive) {
            System.out.println("[client<-proxy] " + Thread.currentThread() + " exchange completed; " + "connection " + (keepAlive ? "kept alive" : "cannot be kept alive"));
        }
    }).setExceptionListener(new ExceptionListener() {

        @Override
        public void onError(final Exception ex) {
            if (ex instanceof SocketException) {
                System.out.println("[client->proxy] " + Thread.currentThread() + " " + ex.getMessage());
            } else {
                System.out.println("[client->proxy] " + Thread.currentThread() + " " + ex.getMessage());
                ex.printStackTrace(System.out);
            }
        }

        @Override
        public void onError(final HttpConnection connection, final Exception ex) {
            if (ex instanceof SocketTimeoutException) {
                System.out.println("[client->proxy] " + Thread.currentThread() + " time out");
            } else if (ex instanceof SocketException || ex instanceof ConnectionClosedException) {
                System.out.println("[client->proxy] " + Thread.currentThread() + " " + ex.getMessage());
            } else {
                System.out.println("[client->proxy] " + Thread.currentThread() + " " + ex.getMessage());
                ex.printStackTrace(System.out);
            }
        }
    }).register("*", new ProxyHandler(targetHost, requester)).create();
    server.start();
    Runtime.getRuntime().addShutdownHook(new Thread(() -> {
        server.close(CloseMode.GRACEFUL);
        requester.close(CloseMode.GRACEFUL);
    }));
    System.out.println("Listening on port " + port);
    server.awaitTermination(TimeValue.MAX_VALUE);
}

Example 4 with ConnPoolStats

use of org.apache.hc.core5.pool.ConnPoolStats in project httpcomponents-core by apache.

the class LoggingConnPoolListener method onLease.

@Override
public void onLease(final HttpHost route, final ConnPoolStats<HttpHost> connPoolStats) {
    if (connLog.isDebugEnabled()) {
        final StringBuilder buf = new StringBuilder();
        buf.append("Leased ").append(route).append(" ");
        final PoolStats totals = connPoolStats.getTotalStats();
        buf.append(" total kept alive: ").append(totals.getAvailable()).append("; ");
        buf.append("total allocated: ").append(totals.getLeased() + totals.getAvailable());
        buf.append(" of ").append(totals.getMax());
        connLog.debug(buf.toString());
    }
}