Examples with FilterChainClient com.linkedin.r2.filter.transport.FilterChainClient used on opensource projects

Example 1 with FilterChainClient

use of com.linkedin.r2.filter.transport.FilterChainClient in project rest.li by linkedin.

the class HttpClientFactory method getClient.

/**
   * Create a new {@link TransportClient} with the specified properties,
   * {@link SSLContext} and {@link SSLParameters}
   *
   * @param properties map of properties for the {@link TransportClient}
   * @param sslContext {@link SSLContext} to be used for requests over SSL/TLS.
   * @param sslParameters {@link SSLParameters} to configure secure connections.
   * @return an appropriate {@link TransportClient} instance, as specified by the properties.
   */
private TransportClient getClient(Map<String, ? extends Object> properties, SSLContext sslContext, SSLParameters sslParameters) {
    LOG.info("Getting a client with configuration {} and SSLContext {}", properties, sslContext);
    TransportClient client = getRawClient(properties, sslContext, sslParameters);
    List<String> httpRequestServerSupportedEncodings = ConfigValueExtractor.buildList(properties.remove(HTTP_REQUEST_CONTENT_ENCODINGS), LIST_SEPARATOR);
    // In the old model, responses were compressed according to the type of method, so clients would send
    // the Accept-Encoding header if the method was in HTTP_RESPONSE_COMPRESSION_OPERATIONS.
    // In the new model, responses are compressed according to its size, so clients send the Accept-Encoding header
    // if the server enabled response compression by setting HTTP_USE_RESPONSE_COMPRESSION to true.
    // Until all servers migrate to the new model, clients will understand both models,
    // and send the Accept-Encoding header if either the old or the new criterion is satisfied.
    List<String> httpResponseCompressionOperations = ConfigValueExtractor.buildList(properties.remove(HTTP_RESPONSE_COMPRESSION_OPERATIONS), LIST_SEPARATOR);
    String useResponseCompressionProperty = (String) properties.get(HTTP_USE_RESPONSE_COMPRESSION);
    if (useResponseCompressionProperty != null && Boolean.parseBoolean(useResponseCompressionProperty)) {
        httpResponseCompressionOperations.add(ClientCompressionHelper.COMPRESS_ALL_RESPONSES_INDICATOR);
    }
    FilterChain filters = _filters;
    if (_useClientCompression) {
        List<String> responseEncodings = null;
        if (properties.containsKey(HTTP_RESPONSE_CONTENT_ENCODINGS)) {
            responseEncodings = ConfigValueExtractor.buildList(properties.remove(HTTP_RESPONSE_CONTENT_ENCODINGS), LIST_SEPARATOR);
        }
        String httpServiceName = (String) properties.get(HTTP_SERVICE_NAME);
        EncodingType restRequestContentEncoding = getRestRequestContentEncoding(httpRequestServerSupportedEncodings);
        StreamEncodingType streamRequestContentEncoding = getStreamRequestContentEncoding(httpRequestServerSupportedEncodings);
        if (restRequestContentEncoding != EncodingType.IDENTITY || !httpResponseCompressionOperations.isEmpty()) {
            filters = filters.addLastRest(new ClientCompressionFilter(restRequestContentEncoding, getRestRequestCompressionConfig(httpServiceName, restRequestContentEncoding), buildRestAcceptEncodingSchemaNames(responseEncodings), _responseCompressionConfigs.get(httpServiceName), httpResponseCompressionOperations));
        }
        if (streamRequestContentEncoding != StreamEncodingType.IDENTITY || !httpResponseCompressionOperations.isEmpty()) {
            CompressionConfig compressionConfig = getStreamRequestCompressionConfig(httpServiceName, streamRequestContentEncoding);
            filters = filters.addLast(new ClientStreamCompressionFilter(streamRequestContentEncoding, compressionConfig, buildStreamAcceptEncodingSchemas(responseEncodings), _responseCompressionConfigs.get(httpServiceName), httpResponseCompressionOperations, _compressionExecutor));
        }
    }
    Integer queryPostThreshold = chooseNewOverDefault(getIntValue(properties, HTTP_QUERY_POST_THRESHOLD), Integer.MAX_VALUE);
    ClientQueryTunnelFilter clientQueryTunnelFilter = new ClientQueryTunnelFilter(queryPostThreshold);
    filters = filters.addLastRest(clientQueryTunnelFilter);
    filters = filters.addLast(clientQueryTunnelFilter);
    // Add the disruptor filter to the end of the filter chain to get the most accurate simulation of disrupt
    Integer requestTimeout = chooseNewOverDefault(getIntValue(properties, HTTP_REQUEST_TIMEOUT), DEFAULT_REQUEST_TIMEOUT);
    DisruptFilter disruptFilter = new DisruptFilter(_executor, _eventLoopGroup, requestTimeout);
    filters = filters.addLastRest(disruptFilter);
    filters = filters.addLast(disruptFilter);
    client = new FilterChainClient(client, filters);
    client = new FactoryClient(client);
    synchronized (_mutex) {
        if (!_running) {
            throw new IllegalStateException("Factory is shutting down");
        }
        _clientsOutstanding++;
        return client;
    }
}