| /** |
| * 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. |
| */ |
| |
| #include "Config.h" |
| #include "NamenodeInfo.h" |
| #include "StatusInternal.h" |
| #include "StringUtil.h" |
| |
| #include <string> |
| #include <vector> |
| |
| using namespace hdfs::internal; |
| using std::string; |
| |
| namespace hdfs { |
| |
| NamenodeInfo::NamenodeInfo() { |
| } |
| |
| const char *const DFS_NAMESERVICES = "dfs.nameservices"; |
| const char *const DFS_NAMENODE_HA = "dfs.ha.namenodes"; |
| const char *const DFS_NAMENODE_RPC_ADDRESS_KEY = "dfs.namenode.rpc-address"; |
| const char *const DFS_NAMENODE_HTTP_ADDRESS_KEY = "dfs.namenode.http-address"; |
| |
| Status NamenodeInfo::GetHANamenodeInfo(const std::string &service, |
| const Config &conf, |
| std::vector<NamenodeInfo> *output) { |
| CHECK_PARAMETER(NULL != output, EINVAL, "invalid parameter \"output\""); |
| |
| try { |
| std::string strNameNodes; |
| std::vector<NamenodeInfo> &retval = *output; |
| RETURN_NOT_OK(conf.getString( |
| std::string(DFS_NAMENODE_HA) + "." + service, &strNameNodes)); |
| std::vector<std::string> nns = StringSplit(strNameNodes, ","); |
| retval.resize(nns.size()); |
| |
| for (size_t i = 0; i < nns.size(); ++i) { |
| std::string dfsRpcAddressKey = |
| StringTrim(std::string(DFS_NAMENODE_RPC_ADDRESS_KEY) + "." + |
| service + "." + StringTrim(nns[i])); |
| string rpcAddress; |
| RETURN_NOT_OK(conf.getString(dfsRpcAddressKey, "", &rpcAddress)); |
| retval[i].setRpcAddr(StringTrim(rpcAddress)); |
| |
| std::string dfsHttpAddressKey = |
| StringTrim(std::string(DFS_NAMENODE_HTTP_ADDRESS_KEY) + "." + |
| service + "." + StringTrim(nns[i])); |
| string httpAddress; |
| RETURN_NOT_OK(conf.getString(dfsHttpAddressKey, "", &httpAddress)); |
| retval[i].setHttpAddr(StringTrim(httpAddress)); |
| } |
| |
| } catch (...) { |
| return CreateStatusFromException(current_exception()); |
| } |
| |
| return Status::OK(); |
| } |
| } |