netconf/tools/netconf-testtool/src/main/java/org/opendaylight/netconf/test/tool/Execution.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9
  10 package org.opendaylight.netconf.test.tool;
  11
  12 import com.ning.http.client.AsyncCompletionHandler;
  13 import com.ning.http.client.AsyncHttpClient;
  14 import com.ning.http.client.AsyncHttpClientConfig;
  15 import com.ning.http.client.HttpResponseStatus;
  16 import com.ning.http.client.Realm;
  17 import com.ning.http.client.Request;
  18 import com.ning.http.client.Response;
  19 import java.io.IOException;
  20 import java.util.ArrayList;
  21 import java.util.concurrent.Callable;
  22 import java.util.concurrent.ExecutionException;
  23 import java.util.concurrent.Semaphore;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 public class Execution implements Callable<Void> {
  28
  29     private final ArrayList<Request> payloads;
  30     private final AsyncHttpClient asyncHttpClient;
  31     private static final Logger LOG = LoggerFactory.getLogger(Execution.class);
  32     private final boolean invokeAsync;
  33     private final Semaphore semaphore;
  34     private final int throttle;
  35
  36     static final class DestToPayload {
  37
  38         private final String destination;
  39         private final String payload;
  40
  41         DestToPayload(String destination, String payload) {
  42             this.destination = destination;
  43             this.payload = payload;
  44         }
  45
  46         public String getDestination() {
  47             return destination;
  48         }
  49
  50         public String getPayload() {
  51             return payload;
  52         }
  53     }
  54
  55     public Execution(TesttoolParameters params, ArrayList<DestToPayload> payloads) {
  56         this.invokeAsync = params.async;
  57         this.throttle = params.throttle / params.threadAmount;
  58
  59         if (params.async && params.threadAmount > 1) {
  60             LOG.info("Throttling per thread: {}", this.throttle);
  61         }
  62         this.semaphore = new Semaphore(this.throttle);
  63
  64         this.asyncHttpClient = new AsyncHttpClient(new AsyncHttpClientConfig.Builder()
  65                 .setConnectTimeout(Integer.MAX_VALUE)
  66                 .setRequestTimeout(Integer.MAX_VALUE)
  67                 .setAllowPoolingConnections(true)
  68                 .build());
  69
  70         this.payloads = new ArrayList<>();
  71         for (DestToPayload payload : payloads) {
  72             AsyncHttpClient.BoundRequestBuilder requestBuilder = asyncHttpClient.preparePost(payload.getDestination())
  73                     .addHeader("Content-Type", "application/json")
  74                     .addHeader("Accept", "application/json")
  75                     .setBody(payload.getPayload())
  76                     .setRequestTimeout(Integer.MAX_VALUE);
  77
  78             if (params.auth != null) {
  79                 requestBuilder.setRealm(new Realm.RealmBuilder()
  80                         .setScheme(Realm.AuthScheme.BASIC)
  81                         .setPrincipal(params.auth.get(0))
  82                         .setPassword(params.auth.get(1))
  83                         .setMethodName("POST")
  84                         .setUsePreemptiveAuth(true)
  85                         .build());
  86             }
  87             this.payloads.add(requestBuilder.build());
  88         }
  89     }
  90
  91     private void invokeSync() {
  92         LOG.info("Begin sending sync requests");
  93         for (Request request : payloads) {
  94             try {
  95                 Response response = asyncHttpClient.executeRequest(request).get();
  96                 if (response.getStatusCode() != 200 && response.getStatusCode() != 204) {
  97                     if (response.getStatusCode() == 409) {
  98                         LOG.warn("Request failed, status code: {} - one or more of the devices"
  99                                 + " is already configured, skipping the whole batch", response.getStatusCode());
 100                     } else {
 101                         LOG.warn("Status code: {}", response.getStatusCode());
 102                         LOG.warn("url: {}", request.getUrl());
 103                         LOG.warn(response.getResponseBody());
 104                     }
 105                 }
 106             } catch (InterruptedException | ExecutionException | IOException e) {
 107                 LOG.warn(e.toString());
 108             }
 109         }
 110         LOG.info("End sending sync requests");
 111     }
 112
 113     private void invokeAsync() {
 114         LOG.info("Begin sending async requests");
 115
 116         for (final Request request : payloads) {
 117             try {
 118                 semaphore.acquire();
 119             } catch (InterruptedException e) {
 120                 LOG.warn("Semaphore acquire interrupted");
 121             }
 122             asyncHttpClient.executeRequest(request, new AsyncCompletionHandler<Response>() {
 123                 @Override
 124                 public STATE onStatusReceived(HttpResponseStatus status) throws Exception {
 125                     super.onStatusReceived(status);
 126                     if (status.getStatusCode() != 200 && status.getStatusCode() != 204) {
 127                         if (status.getStatusCode() == 409) {
 128                             LOG.warn("Request failed, status code: {} - one or more of the devices"
 129                                     + " is already configured, skipping the whole batch", status.getStatusCode());
 130                         } else {
 131                             LOG.warn("Request failed, status code: {}",
 132                                 status.getStatusCode() + status.getStatusText());
 133                             LOG.warn("request: {}", request.toString());
 134                         }
 135                     }
 136                     return STATE.CONTINUE;
 137                 }
 138
 139                 @Override
 140                 public Response onCompleted(Response response) throws Exception {
 141                     semaphore.release();
 142                     return response;
 143                 }
 144             });
 145         }
 146         LOG.info("Requests sent, waiting for responses");
 147
 148         try {
 149             semaphore.acquire(this.throttle);
 150         } catch (InterruptedException e) {
 151             LOG.warn("Semaphore acquire interrupted");
 152         }
 153
 154         LOG.info("Responses received, ending...");
 155     }
 156
 157     @Override
 158     public Void call() throws Exception {
 159         if (invokeAsync) {
 160             this.invokeAsync();
 161         } else {
 162             this.invokeSync();
 163         }
 164         return null;
 165     }
 166 }