public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
      long startTime = 0;
      if (LOG.isDebugEnabled()) {
        startTime = Time.now();
      }

      ObjectWritable value =
          (ObjectWritable)
              client.call(RPC.RpcKind.RPC_WRITABLE, new Invocation(method, args), remoteId);
      if (LOG.isDebugEnabled()) {
        long callTime = Time.now() - startTime;
        LOG.debug("Call: " + method.getName() + " " + callTime);
      }
      return value.get();
    }
Exemple #2
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    public Writable call(Class<?> protocol, Writable param, long receivedTime) throws IOException {
      try {
        Invocation call = (Invocation) param;
        if (verbose) log("Call: " + call);

        Method method = protocol.getMethod(call.getMethodName(), call.getParameterClasses());
        method.setAccessible(true);

        int qTime = (int) (System.currentTimeMillis() - receivedTime);
        long startNanoTime = System.nanoTime();
        Object value = method.invoke(instance, call.getParameters());
        long processingMicroTime = (System.nanoTime() - startNanoTime) / 1000;
        if (LOG.isDebugEnabled()) {
          LOG.debug(
              "Served: "
                  + call.getMethodName()
                  + " queueTime (millisec)= "
                  + qTime
                  + " procesingTime (microsec)= "
                  + processingMicroTime);
        }
        rpcMetrics.rpcQueueTime.inc(qTime);
        rpcMetrics.rpcProcessingTime.inc(processingMicroTime);

        MetricsTimeVaryingRate m =
            (MetricsTimeVaryingRate) rpcMetrics.registry.get(call.getMethodName());
        if (m == null) {
          try {
            m = new MetricsTimeVaryingRate(call.getMethodName(), rpcMetrics.registry);
          } catch (IllegalArgumentException iae) {
            // the metrics has been registered; re-fetch the handle
            LOG.debug("Error register " + call.getMethodName(), iae);
            m = (MetricsTimeVaryingRate) rpcMetrics.registry.get(call.getMethodName());
          }
        }
        // record call time in microseconds
        m.inc(processingMicroTime);

        if (verbose) log("Return: " + value);

        return new ObjectWritable(method.getReturnType(), value);

      } catch (InvocationTargetException e) {
        Throwable target = e.getTargetException();
        if (target instanceof IOException) {
          throw (IOException) target;
        } else {
          IOException ioe = new IOException(target.toString());
          ioe.setStackTrace(target.getStackTrace());
          throw ioe;
        }
      } catch (Throwable e) {
        if (!(e instanceof IOException)) {
          LOG.error("Unexpected throwable object ", e);
        }
        IOException ioe = new IOException(e.toString());
        ioe.setStackTrace(e.getStackTrace());
        throw ioe;
      }
    }
Exemple #3
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    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
      final boolean logDebug = LOG.isDebugEnabled();
      long startTime = 0;
      if (logDebug) {
        startTime = System.currentTimeMillis();
      }

      ObjectWritable value = null;
      try {
        value =
            (ObjectWritable)
                client.call(
                    new Invocation(method, args), getAddress(), protocol, ticket, rpcTimeout);
      } catch (RemoteException re) {
        throw re;
      } catch (ConnectException ce) {
        needCheckDnsUpdate = true;
        throw ce;
      } catch (NoRouteToHostException nrhe) {
        needCheckDnsUpdate = true;
        throw nrhe;
      } catch (PortUnreachableException pue) {
        needCheckDnsUpdate = true;
        throw pue;
      } catch (UnknownHostException uhe) {
        needCheckDnsUpdate = true;
        throw uhe;
      }
      if (logDebug) {
        long callTime = System.currentTimeMillis() - startTime;
        LOG.debug("Call: " + method.getName() + " " + callTime);
      }
      return value.get();
    }
Exemple #4
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 VerProtocolImpl getHighestSupportedProtocol(RpcKind rpcKind, String protocolName) {
   Long highestVersion = 0L;
   ProtoClassProtoImpl highest = null;
   if (LOG.isDebugEnabled()) {
     LOG.debug("Size of protoMap for " + rpcKind + " =" + getProtocolImplMap(rpcKind).size());
   }
   for (Map.Entry<ProtoNameVer, ProtoClassProtoImpl> pv :
       getProtocolImplMap(rpcKind).entrySet()) {
     if (pv.getKey().protocol.equals(protocolName)) {
       if ((highest == null) || (pv.getKey().version > highestVersion)) {
         highest = pv.getValue();
         highestVersion = pv.getKey().version;
       }
     }
   }
   if (highest == null) {
     return null;
   }
   return new VerProtocolImpl(highestVersion, highest);
 }