Examples with ConnectionRequest org.apache.http.conn.ConnectionRequest used on opensource projects

Example 1 with ConnectionRequest

use of org.apache.http.conn.ConnectionRequest in project lucene-solr by apache.

the class ConnectionReuseTest method testConnectionReuse.

@Test
public void testConnectionReuse() throws Exception {
    URL url = cluster.getJettySolrRunners().get(0).getBaseUrl();
    PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
    CloseableHttpClient httpClient = HttpClientUtil.createClient(null, cm);
    try (SolrClient client = buildClient(httpClient, url)) {
        HttpHost target = new HttpHost(url.getHost(), url.getPort(), isSSLMode() ? "https" : "http");
        HttpRoute route = new HttpRoute(target);
        ConnectionRequest mConn = getClientConnectionRequest(httpClient, route, cm);
        HttpClientConnection conn1 = getConn(mConn);
        headerRequest(target, route, conn1, cm);
        cm.releaseConnection(conn1, null, -1, TimeUnit.MILLISECONDS);
        int queueBreaks = 0;
        int cnt1 = atLeast(3);
        int cnt2 = atLeast(30);
        for (int j = 0; j < cnt1; j++) {
            boolean done = false;
            for (int i = 0; i < cnt2; i++) {
                AddUpdateCommand c = new AddUpdateCommand(null);
                c.solrDoc = sdoc("id", id.incrementAndGet());
                try {
                    client.add(c.solrDoc);
                } catch (Exception e) {
                    e.printStackTrace();
                }
                if (!done && i > 0 && i < cnt2 - 1 && client instanceof ConcurrentUpdateSolrClient && random().nextInt(10) > 8) {
                    queueBreaks++;
                    done = true;
                    // wait past streaming client poll time of 250ms
                    Thread.sleep(350);
                }
            }
            if (client instanceof ConcurrentUpdateSolrClient) {
                ((ConcurrentUpdateSolrClient) client).blockUntilFinished();
            }
        }
        route = new HttpRoute(new HttpHost(url.getHost(), url.getPort(), isSSLMode() ? "https" : "http"));
        mConn = cm.requestConnection(route, HttpSolrClient.cacheKey);
        HttpClientConnection conn2 = getConn(mConn);
        HttpConnectionMetrics metrics = conn2.getMetrics();
        headerRequest(target, route, conn2, cm);
        cm.releaseConnection(conn2, null, -1, TimeUnit.MILLISECONDS);
        assertNotNull("No connection metrics found - is the connection getting aborted? server closing the connection? " + client.getClass().getSimpleName(), metrics);
        // we try and make sure the connection we get has handled all of the requests in this test
        if (client instanceof ConcurrentUpdateSolrClient) {
            // we can't fully control queue polling breaking up requests - allow a bit of leeway
            int exp = cnt1 + queueBreaks + 2;
            assertTrue("We expected all communication via streaming client to use one connection! expected=" + exp + " got=" + metrics.getRequestCount(), Math.max(exp, metrics.getRequestCount()) - Math.min(exp, metrics.getRequestCount()) < 3);
        } else {
            assertTrue("We expected all communication to use one connection! " + client.getClass().getSimpleName() + " " + metrics.getRequestCount(), cnt1 * cnt2 + 2 <= metrics.getRequestCount());
        }
    } finally {
        HttpClientUtil.close(httpClient);
    }
}