Examples with Connection okhttp3.Connection used on opensource projects

Example 31 with Connection

use of okhttp3.Connection in project okhttp by square.

the class RealWebSocket method connect.

public void connect(OkHttpClient client) {
    client = client.newBuilder().protocols(ONLY_HTTP1).build();
    final int pingIntervalMillis = client.pingIntervalMillis();
    final Request request = originalRequest.newBuilder().header("Upgrade", "websocket").header("Connection", "Upgrade").header("Sec-WebSocket-Key", key).header("Sec-WebSocket-Version", "13").build();
    call = Internal.instance.newWebSocketCall(client, request);
    call.enqueue(new Callback() {

        @Override
        public void onResponse(Call call, Response response) {
            try {
                checkResponse(response);
            } catch (ProtocolException e) {
                failWebSocket(e, response);
                closeQuietly(response);
                return;
            }
            // Promote the HTTP streams into web socket streams.
            StreamAllocation streamAllocation = Internal.instance.streamAllocation(call);
            // Prevent connection pooling!
            streamAllocation.noNewStreams();
            Streams streams = streamAllocation.connection().newWebSocketStreams(streamAllocation);
            // Process all web socket messages.
            try {
                listener.onOpen(RealWebSocket.this, response);
                String name = "OkHttp WebSocket " + request.url().redact();
                initReaderAndWriter(name, pingIntervalMillis, streams);
                streamAllocation.connection().socket().setSoTimeout(0);
                loopReader();
            } catch (Exception e) {
                failWebSocket(e, null);
            }
        }

        @Override
        public void onFailure(Call call, IOException e) {
            failWebSocket(e, null);
        }
    });
}

Example 32 with Connection

use of okhttp3.Connection in project okhttp by square.

the class RealConnection method connectSocket.

/** Does all the work necessary to build a full HTTP or HTTPS connection on a raw socket. */
private void connectSocket(int connectTimeout, int readTimeout) throws IOException {
    Proxy proxy = route.proxy();
    Address address = route.address();
    rawSocket = proxy.type() == Proxy.Type.DIRECT || proxy.type() == Proxy.Type.HTTP ? address.socketFactory().createSocket() : new Socket(proxy);
    rawSocket.setSoTimeout(readTimeout);
    try {
        Platform.get().connectSocket(rawSocket, route.socketAddress(), connectTimeout);
    } catch (ConnectException e) {
        ConnectException ce = new ConnectException("Failed to connect to " + route.socketAddress());
        ce.initCause(e);
        throw ce;
    }
    source = Okio.buffer(Okio.source(rawSocket));
    sink = Okio.buffer(Okio.sink(rawSocket));
}

Example 33 with Connection

use of okhttp3.Connection in project okhttp by square.

the class StreamAllocation method findConnection.

/**
   * Returns a connection to host a new stream. This prefers the existing connection if it exists,
   * then the pool, finally building a new connection.
   */
private RealConnection findConnection(int connectTimeout, int readTimeout, int writeTimeout, boolean connectionRetryEnabled) throws IOException {
    Route selectedRoute;
    synchronized (connectionPool) {
        if (released)
            throw new IllegalStateException("released");
        if (codec != null)
            throw new IllegalStateException("codec != null");
        if (canceled)
            throw new IOException("Canceled");
        // Attempt to use an already-allocated connection.
        RealConnection allocatedConnection = this.connection;
        if (allocatedConnection != null && !allocatedConnection.noNewStreams) {
            return allocatedConnection;
        }
        // Attempt to get a connection from the pool.
        Internal.instance.get(connectionPool, address, this, null);
        if (connection != null) {
            return connection;
        }
        selectedRoute = route;
    }
    // If we need a route, make one. This is a blocking operation.
    if (selectedRoute == null) {
        selectedRoute = routeSelector.next();
    }
    RealConnection result;
    synchronized (connectionPool) {
        if (canceled)
            throw new IOException("Canceled");
        // Now that we have an IP address, make another attempt at getting a connection from the pool.
        // This could match due to connection coalescing.
        Internal.instance.get(connectionPool, address, this, selectedRoute);
        if (connection != null)
            return connection;
        // Create a connection and assign it to this allocation immediately. This makes it possible
        // for an asynchronous cancel() to interrupt the handshake we're about to do.
        route = selectedRoute;
        refusedStreamCount = 0;
        result = new RealConnection(connectionPool, selectedRoute);
        acquire(result);
    }
    // Do TCP + TLS handshakes. This is a blocking operation.
    result.connect(connectTimeout, readTimeout, writeTimeout, connectionRetryEnabled);
    routeDatabase().connected(result.route());
    Socket socket = null;
    synchronized (connectionPool) {
        // Pool the connection.
        Internal.instance.put(connectionPool, result);
        // release this connection and acquire that one.
        if (result.isMultiplexed()) {
            socket = Internal.instance.deduplicate(connectionPool, address, this);
            result = connection;
        }
    }
    closeQuietly(socket);
    return result;
}

Example 34 with Connection

use of okhttp3.Connection in project okhttp by square.

the class BridgeInterceptor method intercept.

@Override
public Response intercept(Chain chain) throws IOException {
    Request userRequest = chain.request();
    Request.Builder requestBuilder = userRequest.newBuilder();
    RequestBody body = userRequest.body();
    if (body != null) {
        MediaType contentType = body.contentType();
        if (contentType != null) {
            requestBuilder.header("Content-Type", contentType.toString());
        }
        long contentLength = body.contentLength();
        if (contentLength != -1) {
            requestBuilder.header("Content-Length", Long.toString(contentLength));
            requestBuilder.removeHeader("Transfer-Encoding");
        } else {
            requestBuilder.header("Transfer-Encoding", "chunked");
            requestBuilder.removeHeader("Content-Length");
        }
    }
    if (userRequest.header("Host") == null) {
        requestBuilder.header("Host", hostHeader(userRequest.url(), false));
    }
    if (userRequest.header("Connection") == null) {
        requestBuilder.header("Connection", "Keep-Alive");
    }
    // If we add an "Accept-Encoding: gzip" header field we're responsible for also decompressing
    // the transfer stream.
    boolean transparentGzip = false;
    if (userRequest.header("Accept-Encoding") == null && userRequest.header("Range") == null) {
        transparentGzip = true;
        requestBuilder.header("Accept-Encoding", "gzip");
    }
    List<Cookie> cookies = cookieJar.loadForRequest(userRequest.url());
    if (!cookies.isEmpty()) {
        requestBuilder.header("Cookie", cookieHeader(cookies));
    }
    if (userRequest.header("User-Agent") == null) {
        requestBuilder.header("User-Agent", Version.userAgent());
    }
    Response networkResponse = chain.proceed(requestBuilder.build());
    HttpHeaders.receiveHeaders(cookieJar, userRequest.url(), networkResponse.headers());
    Response.Builder responseBuilder = networkResponse.newBuilder().request(userRequest);
    if (transparentGzip && "gzip".equalsIgnoreCase(networkResponse.header("Content-Encoding")) && HttpHeaders.hasBody(networkResponse)) {
        GzipSource responseBody = new GzipSource(networkResponse.body().source());
        Headers strippedHeaders = networkResponse.headers().newBuilder().removeAll("Content-Encoding").removeAll("Content-Length").build();
        responseBuilder.headers(strippedHeaders);
        responseBuilder.body(new RealResponseBody(strippedHeaders, Okio.buffer(responseBody)));
    }
    return responseBuilder.build();
}

Example 35 with Connection

use of okhttp3.Connection in project okhttp by square.

the class ConnectInterceptor method intercept.

@Override
public Response intercept(Chain chain) throws IOException {
    RealInterceptorChain realChain = (RealInterceptorChain) chain;
    Request request = realChain.request();
    StreamAllocation streamAllocation = realChain.streamAllocation();
    // We need the network to satisfy this request. Possibly for validating a conditional GET.
    boolean doExtensiveHealthChecks = !request.method().equals("GET");
    HttpCodec httpCodec = streamAllocation.newStream(client, doExtensiveHealthChecks);
    RealConnection connection = streamAllocation.connection();
    return realChain.proceed(request, streamAllocation, httpCodec, connection);
}