vinson0526 commented on a change in pull request #2228: add spark-doris-connector extension URL: https://github.com/apache/incubator-doris/pull/2228#discussion_r348337597
########## File path: extension/spark-doris-connector/src/main/java/org/apache/doris/spark/rest/RestService.java ########## @@ -0,0 +1,464 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package org.apache.doris.spark.rest; + +import static org.apache.doris.spark.cfg.ConfigurationOptions.DORIS_FENODES; +import static org.apache.doris.spark.cfg.ConfigurationOptions.DORIS_FILTER_QUERY; +import static org.apache.doris.spark.cfg.ConfigurationOptions.DORIS_READ_FIELD; +import static org.apache.doris.spark.cfg.ConfigurationOptions.DORIS_REQUEST_AUTH_PASSWORD; +import static org.apache.doris.spark.cfg.ConfigurationOptions.DORIS_REQUEST_AUTH_USER; +import static org.apache.doris.spark.cfg.ConfigurationOptions.DORIS_TABLET_SIZE; +import static org.apache.doris.spark.cfg.ConfigurationOptions.DORIS_TABLET_SIZE_DEFAULT; +import static org.apache.doris.spark.cfg.ConfigurationOptions.DORIS_TABLET_SIZE_MIN; +import static org.apache.doris.spark.cfg.ConfigurationOptions.DORIS_TABLE_IDENTIFIER; +import static org.apache.doris.spark.util.ErrorMessages.CONNECT_FAILED_MESSAGE; +import static org.apache.doris.spark.util.ErrorMessages.ILLEGAL_ARGUMENT_MESSAGE; +import static org.apache.doris.spark.util.ErrorMessages.PARSE_NUMBER_FAILED_MESSAGE; +import static org.apache.doris.spark.util.ErrorMessages.SHOULD_NOT_HAPPEN_MESSAGE; + +import java.io.IOException; +import java.io.Serializable; +import java.nio.charset.StandardCharsets; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; + +import org.apache.commons.lang3.StringUtils; +import org.apache.doris.spark.cfg.ConfigurationOptions; +import org.apache.doris.spark.cfg.Settings; +import org.apache.doris.spark.exception.ConnectedFailedException; +import org.apache.doris.spark.exception.DorisException; +import org.apache.doris.spark.exception.IllegalArgumentException; +import org.apache.doris.spark.exception.ShouldNeverHappenException; +import org.apache.doris.spark.rest.models.QueryPlan; +import org.apache.doris.spark.rest.models.Schema; +import org.apache.doris.spark.rest.models.Tablet; +import org.apache.doris.spark.util.ErrorMessages; +import org.apache.http.HttpStatus; +import org.apache.http.auth.AuthScope; +import org.apache.http.auth.UsernamePasswordCredentials; +import org.apache.http.client.CredentialsProvider; +import org.apache.http.client.config.RequestConfig; +import org.apache.http.client.methods.CloseableHttpResponse; +import org.apache.http.client.methods.HttpGet; +import org.apache.http.client.methods.HttpPost; +import org.apache.http.client.methods.HttpRequestBase; +import org.apache.http.client.protocol.HttpClientContext; +import org.apache.http.entity.StringEntity; +import org.apache.http.impl.client.BasicCredentialsProvider; +import org.apache.http.impl.client.CloseableHttpClient; +import org.apache.http.impl.client.HttpClients; +import org.apache.http.util.EntityUtils; +import org.codehaus.jackson.JsonParseException; +import org.codehaus.jackson.map.JsonMappingException; +import org.codehaus.jackson.map.ObjectMapper; +import org.slf4j.Logger; + +import com.google.common.annotations.VisibleForTesting; + +/** + * Service for communicate with Doris FE. + */ +public class RestService implements Serializable { + public final static int REST_RESPONSE_STATUS_OK = 200; + private static final String API_PREFIX = "/api"; + private static final String SCHEMA = "_schema"; + private static final String QUERY_PLAN = "_query_plan"; + + /** + * send request to Doris FE and get response json string. + * @param cfg configuration of request + * @param request {@link HttpRequestBase} real request + * @param logger {@link Logger} + * @return Doris FE response in json string + * @throws ConnectedFailedException throw when cannot connect to Doris FE + */ + private static String send(Settings cfg, HttpRequestBase request, Logger logger) throws + ConnectedFailedException { + int connectTimeout = cfg.getIntegerProperty(ConfigurationOptions.DORIS_REQUEST_CONNECT_TIMEOUT_MS, + ConfigurationOptions.DORIS_REQUEST_CONNECT_TIMEOUT_DEFAULT); + int socketTimeout = cfg.getIntegerProperty(ConfigurationOptions.DORIS_REQUEST_READ_TIMEOUT_MS, + ConfigurationOptions.DORIS_REQUEST_READ_TIMEOUT_DEFAULT); + int retries = cfg.getIntegerProperty(ConfigurationOptions.DORIS_REQUEST_RETRIES, + ConfigurationOptions.DORIS_REQUEST_RETRIES_DEFAULT); + logger.trace("connect timeout set to '{}'.", connectTimeout); + logger.trace("socket timeout set to '{}'.", socketTimeout); + logger.trace("retries set to '{}'.", retries); Review comment: done ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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