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Example 1 with RouteException

use of okhttp3.internal.connection.RouteException in project okhttp by square.

the class RetryAndFollowUpInterceptor method intercept.

@Override
public Response intercept(Chain chain) throws IOException {
    Request request = chain.request();
    streamAllocation = new StreamAllocation(client.connectionPool(), createAddress(request.url()), callStackTrace);
    int followUpCount = 0;
    Response priorResponse = null;
    while (true) {
        if (canceled) {
            streamAllocation.release();
            throw new IOException("Canceled");
        }
        Response response = null;
        boolean releaseConnection = true;
        try {
            response = ((RealInterceptorChain) chain).proceed(request, streamAllocation, null, null);
            releaseConnection = false;
        } catch (RouteException e) {
            // The attempt to connect via a route failed. The request will not have been sent.
            if (!recover(e.getLastConnectException(), false, request)) {
                throw e.getLastConnectException();
            }
            releaseConnection = false;
            continue;
        } catch (IOException e) {
            // An attempt to communicate with a server failed. The request may have been sent.
            boolean requestSendStarted = !(e instanceof ConnectionShutdownException);
            if (!recover(e, requestSendStarted, request))
                throw e;
            releaseConnection = false;
            continue;
        } finally {
            // We're throwing an unchecked exception. Release any resources.
            if (releaseConnection) {
                streamAllocation.streamFailed(null);
                streamAllocation.release();
            }
        }
        // Attach the prior response if it exists. Such responses never have a body.
        if (priorResponse != null) {
            response = response.newBuilder().priorResponse(priorResponse.newBuilder().body(null).build()).build();
        }
        Request followUp = followUpRequest(response);
        if (followUp == null) {
            if (!forWebSocket) {
                streamAllocation.release();
            }
            return response;
        }
        closeQuietly(response.body());
        if (++followUpCount > MAX_FOLLOW_UPS) {
            streamAllocation.release();
            throw new ProtocolException("Too many follow-up requests: " + followUpCount);
        }
        if (followUp.body() instanceof UnrepeatableRequestBody) {
            streamAllocation.release();
            throw new HttpRetryException("Cannot retry streamed HTTP body", response.code());
        }
        if (!sameConnection(response, followUp.url())) {
            streamAllocation.release();
            streamAllocation = new StreamAllocation(client.connectionPool(), createAddress(followUp.url()), callStackTrace);
        } else if (streamAllocation.codec() != null) {
            throw new IllegalStateException("Closing the body of " + response + " didn't close its backing stream. Bad interceptor?");
        }
        request = followUp;
        priorResponse = response;
    }
}
Also used : StreamAllocation(okhttp3.internal.connection.StreamAllocation) Response(okhttp3.Response) RouteException(okhttp3.internal.connection.RouteException) ProtocolException(java.net.ProtocolException) ConnectionShutdownException(okhttp3.internal.http2.ConnectionShutdownException) Request(okhttp3.Request) InterruptedIOException(java.io.InterruptedIOException) IOException(java.io.IOException) HttpRetryException(java.net.HttpRetryException)

Example 2 with RouteException

use of okhttp3.internal.connection.RouteException in project okhttp by square.

the class RealConnection method connect.

public void connect(int connectTimeout, int readTimeout, int writeTimeout, boolean connectionRetryEnabled) {
    if (protocol != null)
        throw new IllegalStateException("already connected");
    RouteException routeException = null;
    List<ConnectionSpec> connectionSpecs = route.address().connectionSpecs();
    ConnectionSpecSelector connectionSpecSelector = new ConnectionSpecSelector(connectionSpecs);
    if (route.address().sslSocketFactory() == null) {
        if (!connectionSpecs.contains(ConnectionSpec.CLEARTEXT)) {
            throw new RouteException(new UnknownServiceException("CLEARTEXT communication not enabled for client"));
        }
        String host = route.address().url().host();
        if (!Platform.get().isCleartextTrafficPermitted(host)) {
            throw new RouteException(new UnknownServiceException("CLEARTEXT communication to " + host + " not permitted by network security policy"));
        }
    }
    while (true) {
        try {
            if (route.requiresTunnel()) {
                connectTunnel(connectTimeout, readTimeout, writeTimeout);
            } else {
                connectSocket(connectTimeout, readTimeout);
            }
            establishProtocol(connectionSpecSelector);
            break;
        } catch (IOException e) {
            closeQuietly(socket);
            closeQuietly(rawSocket);
            socket = null;
            rawSocket = null;
            source = null;
            sink = null;
            handshake = null;
            protocol = null;
            http2Connection = null;
            if (routeException == null) {
                routeException = new RouteException(e);
            } else {
                routeException.addConnectException(e);
            }
            if (!connectionRetryEnabled || !connectionSpecSelector.connectionFailed(e)) {
                throw routeException;
            }
        }
    }
    if (http2Connection != null) {
        synchronized (connectionPool) {
            allocationLimit = http2Connection.maxConcurrentStreams();
        }
    }
}
Also used : ConnectionSpec(okhttp3.ConnectionSpec) UnknownServiceException(java.net.UnknownServiceException) IOException(java.io.IOException)

Example 3 with RouteException

use of okhttp3.internal.connection.RouteException in project okhttp by square.

the class StreamAllocation method newStream.

public HttpCodec newStream(OkHttpClient client, boolean doExtensiveHealthChecks) {
    int connectTimeout = client.connectTimeoutMillis();
    int readTimeout = client.readTimeoutMillis();
    int writeTimeout = client.writeTimeoutMillis();
    boolean connectionRetryEnabled = client.retryOnConnectionFailure();
    try {
        RealConnection resultConnection = findHealthyConnection(connectTimeout, readTimeout, writeTimeout, connectionRetryEnabled, doExtensiveHealthChecks);
        HttpCodec resultCodec = resultConnection.newCodec(client, this);
        synchronized (connectionPool) {
            codec = resultCodec;
            return resultCodec;
        }
    } catch (IOException e) {
        throw new RouteException(e);
    }
}
Also used : HttpCodec(okhttp3.internal.http.HttpCodec) IOException(java.io.IOException)

Aggregations

IOException (java.io.IOException)3 InterruptedIOException (java.io.InterruptedIOException)1 HttpRetryException (java.net.HttpRetryException)1 ProtocolException (java.net.ProtocolException)1 UnknownServiceException (java.net.UnknownServiceException)1 ConnectionSpec (okhttp3.ConnectionSpec)1 Request (okhttp3.Request)1 Response (okhttp3.Response)1 RouteException (okhttp3.internal.connection.RouteException)1 StreamAllocation (okhttp3.internal.connection.StreamAllocation)1 HttpCodec (okhttp3.internal.http.HttpCodec)1 ConnectionShutdownException (okhttp3.internal.http2.ConnectionShutdownException)1