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

Example 1 with ClientConnectionRequest

use of org.apache.http.conn.ClientConnectionRequest in project robolectric by robolectric.

the class DefaultRequestDirector method execute.

// non-javadoc, see interface ClientRequestDirector
public HttpResponse execute(HttpHost target, HttpRequest request, HttpContext context) throws HttpException, IOException {
    HttpRequest orig = request;
    RequestWrapper origWrapper = wrapRequest(orig);
    origWrapper.setParams(params);
    HttpRoute origRoute = determineRoute(target, origWrapper, context);
    virtualHost = (HttpHost) orig.getParams().getParameter(ClientPNames.VIRTUAL_HOST);
    RoutedRequest roureq = new RoutedRequest(origWrapper, origRoute);
    long timeout = ConnManagerParams.getTimeout(params);
    int execCount = 0;
    boolean reuse = false;
    boolean done = false;
    try {
        HttpResponse response = null;
        while (!done) {
            // In this loop, the RoutedRequest may be replaced by a
            // followup request and route. The request and route passed
            // in the method arguments will be replaced. The original
            // request is still available in 'orig'.
            RequestWrapper wrapper = roureq.getRequest();
            HttpRoute route = roureq.getRoute();
            response = null;
            // See if we have a user token bound to the execution context
            Object userToken = context.getAttribute(ClientContext.USER_TOKEN);
            // Allocate connection if needed
            if (managedConn == null) {
                ClientConnectionRequest connRequest = connManager.requestConnection(route, userToken);
                if (orig instanceof AbortableHttpRequest) {
                    ((AbortableHttpRequest) orig).setConnectionRequest(connRequest);
                }
                try {
                    managedConn = connRequest.getConnection(timeout, TimeUnit.MILLISECONDS);
                } catch (InterruptedException interrupted) {
                    InterruptedIOException iox = new InterruptedIOException();
                    iox.initCause(interrupted);
                    throw iox;
                }
                if (HttpConnectionParams.isStaleCheckingEnabled(params)) {
                    // validate connection
                    if (managedConn.isOpen()) {
                        this.log.debug("Stale connection check");
                        if (managedConn.isStale()) {
                            this.log.debug("Stale connection detected");
                            managedConn.close();
                        }
                    }
                }
            }
            if (orig instanceof AbortableHttpRequest) {
                ((AbortableHttpRequest) orig).setReleaseTrigger(managedConn);
            }
            // Reopen connection if needed
            if (!managedConn.isOpen()) {
                managedConn.open(route, context, params);
            } else {
                managedConn.setSocketTimeout(HttpConnectionParams.getSoTimeout(params));
            }
            try {
                establishRoute(route, context);
            } catch (TunnelRefusedException ex) {
                if (this.log.isDebugEnabled()) {
                    this.log.debug(ex.getMessage());
                }
                response = ex.getResponse();
                break;
            }
            // Reset headers on the request wrapper
            wrapper.resetHeaders();
            // Re-write request URI if needed
            rewriteRequestURI(wrapper, route);
            // Use virtual host if set
            target = virtualHost;
            if (target == null) {
                target = route.getTargetHost();
            }
            HttpHost proxy = route.getProxyHost();
            // Populate the execution context
            context.setAttribute(ExecutionContext.HTTP_TARGET_HOST, target);
            context.setAttribute(ExecutionContext.HTTP_PROXY_HOST, proxy);
            context.setAttribute(ExecutionContext.HTTP_CONNECTION, managedConn);
            context.setAttribute(ClientContext.TARGET_AUTH_STATE, targetAuthState);
            context.setAttribute(ClientContext.PROXY_AUTH_STATE, proxyAuthState);
            // Run request protocol interceptors
            requestExec.preProcess(wrapper, httpProcessor, context);
            boolean retrying = true;
            Exception retryReason = null;
            while (retrying) {
                // Increment total exec count (with redirects)
                execCount++;
                // Increment exec count for this particular request
                wrapper.incrementExecCount();
                if (!wrapper.isRepeatable()) {
                    this.log.debug("Cannot retry non-repeatable request");
                    if (retryReason != null) {
                        throw new NonRepeatableRequestException("Cannot retry request " + "with a non-repeatable request entity.  The cause lists the " + "reason the original request failed: " + retryReason);
                    } else {
                        throw new NonRepeatableRequestException("Cannot retry request " + "with a non-repeatable request entity.");
                    }
                }
                try {
                    if (this.log.isDebugEnabled()) {
                        this.log.debug("Attempt " + execCount + " to execute request");
                    }
                    response = requestExec.execute(wrapper, managedConn, context);
                    retrying = false;
                } catch (IOException ex) {
                    this.log.debug("Closing the connection.");
                    managedConn.close();
                    if (retryHandler.retryRequest(ex, wrapper.getExecCount(), context)) {
                        if (this.log.isInfoEnabled()) {
                            this.log.info("I/O exception (" + ex.getClass().getName() + ") caught when processing request: " + ex.getMessage());
                        }
                        if (this.log.isDebugEnabled()) {
                            this.log.debug(ex.getMessage(), ex);
                        }
                        this.log.info("Retrying request");
                        retryReason = ex;
                    } else {
                        throw ex;
                    }
                    // just re-open connection and re-try the request
                    if (!route.isTunnelled()) {
                        this.log.debug("Reopening the direct connection.");
                        managedConn.open(route, context, params);
                    } else {
                        // otherwise give up
                        this.log.debug("Proxied connection. Need to start over.");
                        retrying = false;
                    }
                }
            }
            if (response == null) {
                // Need to start over
                continue;
            }
            // Run response protocol interceptors
            response.setParams(params);
            requestExec.postProcess(response, httpProcessor, context);
            // The connection is in or can be brought to a re-usable state.
            reuse = reuseStrategy.keepAlive(response, context);
            if (reuse) {
                // Set the idle duration of this connection
                long duration = keepAliveStrategy.getKeepAliveDuration(response, context);
                managedConn.setIdleDuration(duration, TimeUnit.MILLISECONDS);
                if (this.log.isDebugEnabled()) {
                    if (duration >= 0) {
                        this.log.debug("Connection can be kept alive for " + duration + " ms");
                    } else {
                        this.log.debug("Connection can be kept alive indefinitely");
                    }
                }
            }
            RoutedRequest followup = handleResponse(roureq, response, context);
            if (followup == null) {
                done = true;
            } else {
                if (reuse) {
                    // Make sure the response body is fully consumed, if present
                    HttpEntity entity = response.getEntity();
                    if (entity != null) {
                        entity.consumeContent();
                    }
                    // entity consumed above is not an auto-release entity,
                    // need to mark the connection re-usable explicitly
                    managedConn.markReusable();
                } else {
                    managedConn.close();
                }
                // check if we can use the same connection for the followup
                if (!followup.getRoute().equals(roureq.getRoute())) {
                    releaseConnection();
                }
                roureq = followup;
            }
            if (managedConn != null && userToken == null) {
                userToken = userTokenHandler.getUserToken(context);
                context.setAttribute(ClientContext.USER_TOKEN, userToken);
                if (userToken != null) {
                    managedConn.setState(userToken);
                }
            }
        }
        // check for entity, release connection if possible
        if ((response == null) || (response.getEntity() == null) || !response.getEntity().isStreaming()) {
            // connection not needed and (assumed to be) in re-usable state
            if (reuse)
                managedConn.markReusable();
            releaseConnection();
        } else {
            // install an auto-release entity
            HttpEntity entity = response.getEntity();
            entity = new BasicManagedEntity(entity, managedConn, reuse);
            response.setEntity(entity);
        }
        return response;
    } catch (HttpException | RuntimeException | IOException ex) {
        abortConnection();
        throw ex;
    }
}

Example 2 with ClientConnectionRequest

use of org.apache.http.conn.ClientConnectionRequest in project jersey by jersey.

the class HelloWorldTest method testConnectionClosingOnExceptionsForErrorResponses.

/**
     * JERSEY-2157 reproducer.
     * <p>
     * The test ensures that entities of the error responses which cause
     * WebApplicationException being thrown by a JAX-RS client are buffered
     * and that the underlying input connections are automatically released
     * in such case.
     */
@Test
public void testConnectionClosingOnExceptionsForErrorResponses() {
    final BasicClientConnectionManager cm = new BasicClientConnectionManager();
    final AtomicInteger connectionCounter = new AtomicInteger(0);
    final ClientConfig config = new ClientConfig().property(ApacheClientProperties.CONNECTION_MANAGER, new ClientConnectionManager() {

        @Override
        public SchemeRegistry getSchemeRegistry() {
            return cm.getSchemeRegistry();
        }

        @Override
        public ClientConnectionRequest requestConnection(final HttpRoute route, final Object state) {
            connectionCounter.incrementAndGet();
            final ClientConnectionRequest wrappedRequest = cm.requestConnection(route, state);
            /**
                         * To explain the following long piece of code:
                         *
                         * All the code does is to just create a wrapper implementations
                         * for the AHC connection management interfaces.
                         *
                         * The only really important piece of code is the
                         * {@link org.apache.http.conn.ManagedClientConnection#releaseConnection()} implementation,
                         * where the connectionCounter is decremented when a managed connection instance
                         * is released by AHC runtime. In our test, this is expected to happen
                         * as soon as the exception is created for an error response
                         * (as the error response entity gets buffered in
                         * {@link org.glassfish.jersey.client.JerseyInvocation#convertToException(javax.ws.rs.core.Response)}).
                         */
            return new ClientConnectionRequest() {

                @Override
                public ManagedClientConnection getConnection(long timeout, TimeUnit tunit) throws InterruptedException, ConnectionPoolTimeoutException {
                    final ManagedClientConnection wrappedConnection = wrappedRequest.getConnection(timeout, tunit);
                    return new ManagedClientConnection() {

                        @Override
                        public boolean isSecure() {
                            return wrappedConnection.isSecure();
                        }

                        @Override
                        public HttpRoute getRoute() {
                            return wrappedConnection.getRoute();
                        }

                        @Override
                        public SSLSession getSSLSession() {
                            return wrappedConnection.getSSLSession();
                        }

                        @Override
                        public void open(HttpRoute route, HttpContext context, HttpParams params) throws IOException {
                            wrappedConnection.open(route, context, params);
                        }

                        @Override
                        public void tunnelTarget(boolean secure, HttpParams params) throws IOException {
                            wrappedConnection.tunnelTarget(secure, params);
                        }

                        @Override
                        public void tunnelProxy(HttpHost next, boolean secure, HttpParams params) throws IOException {
                            wrappedConnection.tunnelProxy(next, secure, params);
                        }

                        @Override
                        public void layerProtocol(HttpContext context, HttpParams params) throws IOException {
                            wrappedConnection.layerProtocol(context, params);
                        }

                        @Override
                        public void markReusable() {
                            wrappedConnection.markReusable();
                        }

                        @Override
                        public void unmarkReusable() {
                            wrappedConnection.unmarkReusable();
                        }

                        @Override
                        public boolean isMarkedReusable() {
                            return wrappedConnection.isMarkedReusable();
                        }

                        @Override
                        public void setState(Object state) {
                            wrappedConnection.setState(state);
                        }

                        @Override
                        public Object getState() {
                            return wrappedConnection.getState();
                        }

                        @Override
                        public void setIdleDuration(long duration, TimeUnit unit) {
                            wrappedConnection.setIdleDuration(duration, unit);
                        }

                        @Override
                        public boolean isResponseAvailable(int timeout) throws IOException {
                            return wrappedConnection.isResponseAvailable(timeout);
                        }

                        @Override
                        public void sendRequestHeader(HttpRequest request) throws HttpException, IOException {
                            wrappedConnection.sendRequestHeader(request);
                        }

                        @Override
                        public void sendRequestEntity(HttpEntityEnclosingRequest request) throws HttpException, IOException {
                            wrappedConnection.sendRequestEntity(request);
                        }

                        @Override
                        public HttpResponse receiveResponseHeader() throws HttpException, IOException {
                            return wrappedConnection.receiveResponseHeader();
                        }

                        @Override
                        public void receiveResponseEntity(HttpResponse response) throws HttpException, IOException {
                            wrappedConnection.receiveResponseEntity(response);
                        }

                        @Override
                        public void flush() throws IOException {
                            wrappedConnection.flush();
                        }

                        @Override
                        public void close() throws IOException {
                            wrappedConnection.close();
                        }

                        @Override
                        public boolean isOpen() {
                            return wrappedConnection.isOpen();
                        }

                        @Override
                        public boolean isStale() {
                            return wrappedConnection.isStale();
                        }

                        @Override
                        public void setSocketTimeout(int timeout) {
                            wrappedConnection.setSocketTimeout(timeout);
                        }

                        @Override
                        public int getSocketTimeout() {
                            return wrappedConnection.getSocketTimeout();
                        }

                        @Override
                        public void shutdown() throws IOException {
                            wrappedConnection.shutdown();
                        }

                        @Override
                        public HttpConnectionMetrics getMetrics() {
                            return wrappedConnection.getMetrics();
                        }

                        @Override
                        public InetAddress getLocalAddress() {
                            return wrappedConnection.getLocalAddress();
                        }

                        @Override
                        public int getLocalPort() {
                            return wrappedConnection.getLocalPort();
                        }

                        @Override
                        public InetAddress getRemoteAddress() {
                            return wrappedConnection.getRemoteAddress();
                        }

                        @Override
                        public int getRemotePort() {
                            return wrappedConnection.getRemotePort();
                        }

                        @Override
                        public void releaseConnection() throws IOException {
                            connectionCounter.decrementAndGet();
                            wrappedConnection.releaseConnection();
                        }

                        @Override
                        public void abortConnection() throws IOException {
                            wrappedConnection.abortConnection();
                        }

                        @Override
                        public String getId() {
                            return wrappedConnection.getId();
                        }

                        @Override
                        public void bind(Socket socket) throws IOException {
                            wrappedConnection.bind(socket);
                        }

                        @Override
                        public Socket getSocket() {
                            return wrappedConnection.getSocket();
                        }
                    };
                }

                @Override
                public void abortRequest() {
                    wrappedRequest.abortRequest();
                }
            };
        }

        @Override
        public void releaseConnection(ManagedClientConnection conn, long keepalive, TimeUnit tunit) {
            cm.releaseConnection(conn, keepalive, tunit);
        }

        @Override
        public void closeExpiredConnections() {
            cm.closeExpiredConnections();
        }

        @Override
        public void closeIdleConnections(long idletime, TimeUnit tunit) {
            cm.closeIdleConnections(idletime, tunit);
        }

        @Override
        public void shutdown() {
            cm.shutdown();
        }
    });
    config.connectorProvider(new ApacheConnectorProvider());
    final Client client = ClientBuilder.newClient(config);
    final WebTarget rootTarget = client.target(getBaseUri()).path(ROOT_PATH);
    // Test that connection is getting closed properly for error responses.
    try {
        final String response = rootTarget.path("error").request().get(String.class);
        fail("Exception expected. Received: " + response);
    } catch (InternalServerErrorException isee) {
    // do nothing - connection should be closed properly by now
    }
    // Fail if the previous connection has not been closed automatically.
    assertEquals(0, connectionCounter.get());
    try {
        final String response = rootTarget.path("error2").request().get(String.class);
        fail("Exception expected. Received: " + response);
    } catch (InternalServerErrorException isee) {
        assertEquals("Received unexpected data.", "Error2.", isee.getResponse().readEntity(String.class));
        // Test buffering:
        // second read would fail if entity was not buffered
        assertEquals("Unexpected data in the entity buffer.", "Error2.", isee.getResponse().readEntity(String.class));
    }
    assertEquals(0, connectionCounter.get());
}

Example 3 with ClientConnectionRequest

use of org.apache.http.conn.ClientConnectionRequest in project robovm by robovm.

the class DefaultRequestDirector method execute.

// non-javadoc, see interface ClientRequestDirector
public HttpResponse execute(HttpHost target, HttpRequest request, HttpContext context) throws HttpException, IOException {
    HttpRequest orig = request;
    RequestWrapper origWrapper = wrapRequest(orig);
    origWrapper.setParams(params);
    HttpRoute origRoute = determineRoute(target, origWrapper, context);
    RoutedRequest roureq = new RoutedRequest(origWrapper, origRoute);
    long timeout = ConnManagerParams.getTimeout(params);
    int execCount = 0;
    boolean reuse = false;
    HttpResponse response = null;
    boolean done = false;
    try {
        while (!done) {
            // In this loop, the RoutedRequest may be replaced by a
            // followup request and route. The request and route passed
            // in the method arguments will be replaced. The original
            // request is still available in 'orig'.
            RequestWrapper wrapper = roureq.getRequest();
            HttpRoute route = roureq.getRoute();
            // See if we have a user token bound to the execution context
            Object userToken = context.getAttribute(ClientContext.USER_TOKEN);
            // Allocate connection if needed
            if (managedConn == null) {
                ClientConnectionRequest connRequest = connManager.requestConnection(route, userToken);
                if (orig instanceof AbortableHttpRequest) {
                    ((AbortableHttpRequest) orig).setConnectionRequest(connRequest);
                }
                try {
                    managedConn = connRequest.getConnection(timeout, TimeUnit.MILLISECONDS);
                } catch (InterruptedException interrupted) {
                    InterruptedIOException iox = new InterruptedIOException();
                    iox.initCause(interrupted);
                    throw iox;
                }
                if (HttpConnectionParams.isStaleCheckingEnabled(params)) {
                    // validate connection
                    this.log.debug("Stale connection check");
                    if (managedConn.isStale()) {
                        this.log.debug("Stale connection detected");
                        // BEGIN android-changed
                        try {
                            managedConn.close();
                        } catch (IOException ignored) {
                        // SSLSocket's will throw IOException
                        // because they can't send a "close
                        // notify" protocol message to the
                        // server. Just supresss any
                        // exceptions related to closing the
                        // stale connection.
                        }
                    // END android-changed
                    }
                }
            }
            if (orig instanceof AbortableHttpRequest) {
                ((AbortableHttpRequest) orig).setReleaseTrigger(managedConn);
            }
            // Reopen connection if needed
            if (!managedConn.isOpen()) {
                managedConn.open(route, context, params);
            } else // BEGIN android-added
            {
                // b/3241899 set the per request timeout parameter on reused connections
                managedConn.setSocketTimeout(HttpConnectionParams.getSoTimeout(params));
            }
            try {
                establishRoute(route, context);
            } catch (TunnelRefusedException ex) {
                if (this.log.isDebugEnabled()) {
                    this.log.debug(ex.getMessage());
                }
                response = ex.getResponse();
                break;
            }
            // Reset headers on the request wrapper
            wrapper.resetHeaders();
            // Re-write request URI if needed
            rewriteRequestURI(wrapper, route);
            // Use virtual host if set
            target = (HttpHost) wrapper.getParams().getParameter(ClientPNames.VIRTUAL_HOST);
            if (target == null) {
                target = route.getTargetHost();
            }
            HttpHost proxy = route.getProxyHost();
            // Populate the execution context
            context.setAttribute(ExecutionContext.HTTP_TARGET_HOST, target);
            context.setAttribute(ExecutionContext.HTTP_PROXY_HOST, proxy);
            context.setAttribute(ExecutionContext.HTTP_CONNECTION, managedConn);
            context.setAttribute(ClientContext.TARGET_AUTH_STATE, targetAuthState);
            context.setAttribute(ClientContext.PROXY_AUTH_STATE, proxyAuthState);
            // Run request protocol interceptors
            requestExec.preProcess(wrapper, httpProcessor, context);
            context.setAttribute(ExecutionContext.HTTP_REQUEST, wrapper);
            boolean retrying = true;
            while (retrying) {
                // Increment total exec count (with redirects)
                execCount++;
                // Increment exec count for this particular request
                wrapper.incrementExecCount();
                if (wrapper.getExecCount() > 1 && !wrapper.isRepeatable()) {
                    throw new NonRepeatableRequestException("Cannot retry request " + "with a non-repeatable request entity");
                }
                try {
                    if (this.log.isDebugEnabled()) {
                        this.log.debug("Attempt " + execCount + " to execute request");
                    }
                    response = requestExec.execute(wrapper, managedConn, context);
                    retrying = false;
                } catch (IOException ex) {
                    this.log.debug("Closing the connection.");
                    managedConn.close();
                    if (retryHandler.retryRequest(ex, execCount, context)) {
                        if (this.log.isInfoEnabled()) {
                            this.log.info("I/O exception (" + ex.getClass().getName() + ") caught when processing request: " + ex.getMessage());
                        }
                        if (this.log.isDebugEnabled()) {
                            this.log.debug(ex.getMessage(), ex);
                        }
                        this.log.info("Retrying request");
                    } else {
                        throw ex;
                    }
                    // just re-open connection and re-try the request
                    if (route.getHopCount() == 1) {
                        this.log.debug("Reopening the direct connection.");
                        managedConn.open(route, context, params);
                    } else {
                        // otherwise give up
                        throw ex;
                    }
                }
            }
            // Run response protocol interceptors
            response.setParams(params);
            requestExec.postProcess(response, httpProcessor, context);
            // The connection is in or can be brought to a re-usable state.
            reuse = reuseStrategy.keepAlive(response, context);
            if (reuse) {
                // Set the idle duration of this connection
                long duration = keepAliveStrategy.getKeepAliveDuration(response, context);
                managedConn.setIdleDuration(duration, TimeUnit.MILLISECONDS);
            }
            RoutedRequest followup = handleResponse(roureq, response, context);
            if (followup == null) {
                done = true;
            } else {
                if (reuse) {
                    this.log.debug("Connection kept alive");
                    // Make sure the response body is fully consumed, if present
                    HttpEntity entity = response.getEntity();
                    if (entity != null) {
                        entity.consumeContent();
                    }
                    // entity consumed above is not an auto-release entity,
                    // need to mark the connection re-usable explicitly
                    managedConn.markReusable();
                } else {
                    managedConn.close();
                }
                // check if we can use the same connection for the followup
                if (!followup.getRoute().equals(roureq.getRoute())) {
                    releaseConnection();
                }
                roureq = followup;
            }
            userToken = this.userTokenHandler.getUserToken(context);
            context.setAttribute(ClientContext.USER_TOKEN, userToken);
            if (managedConn != null) {
                managedConn.setState(userToken);
            }
        }
        // check for entity, release connection if possible
        if ((response == null) || (response.getEntity() == null) || !response.getEntity().isStreaming()) {
            // connection not needed and (assumed to be) in re-usable state
            if (reuse)
                managedConn.markReusable();
            releaseConnection();
        } else {
            // install an auto-release entity
            HttpEntity entity = response.getEntity();
            entity = new BasicManagedEntity(entity, managedConn, reuse);
            response.setEntity(entity);
        }
        return response;
    } catch (HttpException ex) {
        abortConnection();
        throw ex;
    } catch (IOException ex) {
        abortConnection();
        throw ex;
    } catch (RuntimeException ex) {
        abortConnection();
        throw ex;
    }
}

Example 4 with ClientConnectionRequest

use of org.apache.http.conn.ClientConnectionRequest in project robovm by robovm.

the class HttpRequestBase method abort.

public void abort() {
    ClientConnectionRequest localRequest;
    ConnectionReleaseTrigger localTrigger;
    this.abortLock.lock();
    try {
        if (this.aborted) {
            return;
        }
        this.aborted = true;
        localRequest = connRequest;
        localTrigger = releaseTrigger;
    } finally {
        this.abortLock.unlock();
    }
    // setReleaseTrigger or setConnectionRequest.
    if (localRequest != null) {
        localRequest.abortRequest();
    }
    if (localTrigger != null) {
        try {
            localTrigger.abortConnection();
        } catch (IOException ex) {
        // ignore
        }
    }
}

Example 5 with ClientConnectionRequest

use of org.apache.http.conn.ClientConnectionRequest in project XobotOS by xamarin.

the class HttpRequestBase method abort.

public void abort() {
    ClientConnectionRequest localRequest;
    ConnectionReleaseTrigger localTrigger;
    this.abortLock.lock();
    try {
        if (this.aborted) {
            return;
        }
        this.aborted = true;
        localRequest = connRequest;
        localTrigger = releaseTrigger;
    } finally {
        this.abortLock.unlock();
    }
    // setReleaseTrigger or setConnectionRequest.
    if (localRequest != null) {
        localRequest.abortRequest();
    }
    if (localTrigger != null) {
        try {
            localTrigger.abortConnection();
        } catch (IOException ex) {
        // ignore
        }
    }
}