| /* |
| * 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. |
| */ |
| |
| #ifndef APPLICATIONMASTER_H_ |
| #define APPLICATIONMASTER_H_ |
| |
| #include <list> |
| |
| #include "libyarncommon/UserInfo.h" |
| |
| #include "libyarnserver/ApplicationMasterProtocol.h" |
| |
| #include "protocolrecords/RegisterApplicationMasterRequest.h" |
| #include "protocolrecords/RegisterApplicationMasterResponse.h" |
| #include "protocolrecords/AllocateRequest.h" |
| #include "protocolrecords/AllocateResponse.h" |
| |
| #include "records/ResourceRequest.h" |
| #include "records/ContainerId.h" |
| #include "records/ResourceBlacklistRequest.h" |
| |
| |
| using std::string; using std::list; |
| using namespace Yarn::Internal; |
| using namespace Yarn; |
| |
| namespace libyarn { |
| |
| class ApplicationMaster { |
| public: |
| ApplicationMaster(string &schedHost, string &schedPort, |
| UserInfo &user, const string &tokenService); |
| |
| virtual ~ApplicationMaster(); |
| |
| ApplicationMaster(ApplicationMasterProtocol *rmclient); |
| |
| virtual RegisterApplicationMasterResponse registerApplicationMaster(string &amHost, |
| int32_t amPort, string &am_tracking_url); |
| |
| virtual AllocateResponse allocate(list<ResourceRequest> &asks, |
| list<ContainerId> &releases, |
| ResourceBlacklistRequest &blacklistRequest, int32_t responseId, |
| float progress); |
| |
| virtual bool finishApplicationMaster(string &diagnostics, string &trackingUrl, |
| FinalApplicationStatus finalstatus); |
| private: |
| std::shared_ptr<ApplicationMasterProtocol> getActiveAppMasterProto(uint32_t & oldValue); |
| void failoverToNextAppMasterProto(uint32_t oldValue); |
| |
| private: |
| bool enableRMSchedulerHA; |
| int maxRMHARetry; |
| mutex mut; |
| /** |
| * Each ApplicationMasterProto object stands for a connection to a standby RM scheduler. |
| * If application master fail in connecting the active RM scheduler, it will try the |
| * next one in the list. |
| */ |
| std::vector<std::shared_ptr<ApplicationMasterProtocol>> appMasterProtos; |
| uint32_t currentAppMasterProto; |
| }; |
| |
| } /* namespace libyarn */ |
| |
| #endif /* APPLICATIONMASTER_H_ */ |