| #pragma once |
| |
| #ifndef GEODE_EVENTID_H_ |
| #define GEODE_EVENTID_H_ |
| |
| /* |
| * 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 <gfcpp/gfcpp_globals.hpp> |
| #include <gfcpp/gf_types.hpp> |
| #include <gfcpp/Cacheable.hpp> |
| #include "GeodeTypeIdsImpl.hpp" |
| #include "SpinLock.hpp" |
| #include <gfcpp/DataOutput.hpp> |
| |
| #include <string> |
| |
| /** @file |
| */ |
| |
| namespace apache { |
| namespace geode { |
| namespace client { |
| |
| /** |
| * EventID "token" with a Distributed Member ID, Thread ID and per-thread |
| * Sequence ID |
| */ |
| class CPPCACHE_EXPORT EventId : public Cacheable { |
| private: |
| char m_eidMem[512]; |
| int32_t m_eidMemLen; |
| int64_t m_eidThr; |
| int64_t m_eidSeq; |
| int32_t m_bucketId; |
| int8_t m_breadcrumbCounter; |
| |
| public: |
| /** |
| *@brief Accessor methods |
| **/ |
| const char* getMemId() const; |
| int32_t getMemIdLen() const; |
| int64_t getThrId() const; |
| int64_t getSeqNum() const; |
| |
| /** |
| *@brief serialize this object |
| **/ |
| virtual void toData(DataOutput& output) const; |
| |
| /** |
| *@brief deserialize this object |
| **/ |
| virtual Serializable* fromData(DataInput& input); |
| |
| virtual uint32_t objectSize() const { |
| uint32_t objectSize = 0; |
| objectSize += sizeof(uint8_t); |
| objectSize += sizeof(int64_t); |
| objectSize += sizeof(uint8_t); |
| objectSize += sizeof(int64_t); |
| objectSize += sizeof(int32_t); // bucketID |
| objectSize += sizeof(int8_t); // breadCrumbCounter |
| return objectSize; |
| } |
| |
| /** |
| * @brief creation function for strings. |
| */ |
| static Serializable* createDeserializable(); |
| |
| /** |
| *@brief return the classId of the instance being serialized. |
| * This is used by deserialization to determine what instance |
| * type to create and derserialize into. |
| */ |
| virtual int32_t classId() const; |
| |
| /** |
| *@brief return the typeId of the instance being serialized. |
| * This is used by deserialization to determine what instance |
| * type to create and derserialize into. |
| */ |
| virtual int8_t typeId() const; |
| |
| /** |
| * Internal Data Serializable Fixed ID size type - since GFE 5.7 |
| */ |
| virtual int8_t DSFID() const { return GeodeTypeIdsImpl::FixedIDByte; }; |
| |
| /** Returns a pointer to a new eventid value. */ |
| static EventIdPtr create(char* memId, uint32_t memIdLen, int64_t thr, |
| int64_t seq) { |
| return EventIdPtr(new EventId(memId, memIdLen, thr, seq)); |
| } |
| |
| /** Destructor. */ |
| virtual ~EventId(); |
| |
| /** used to render as a string for logging. */ |
| virtual size_t logString(char* buffer, size_t maxLength) const; |
| |
| int64_t getEventIdData(DataInput& input, char numberCode); |
| |
| inline void writeIdsData(DataOutput& output) { |
| // Write EventId threadid and seqno. |
| int idsBufferLength = 18; |
| output.writeInt(idsBufferLength); |
| output.write(static_cast<uint8_t>(0)); |
| char longCode = 3; |
| output.write(static_cast<uint8_t>(longCode)); |
| output.writeInt(m_eidThr); |
| output.write(static_cast<uint8_t>(longCode)); |
| output.writeInt(m_eidSeq); |
| } |
| |
| /** Constructor, given the values. */ |
| EventId(char* memId, uint32_t memIdLen, int64_t thr, int64_t seq); |
| /** Constructor, used for deserialization. */ |
| EventId(bool doInit = true, uint32_t reserveSize = 0, |
| bool fullValueAfterDeltaFail = false); // set init=false if we dont |
| // want to inc sequence (for |
| // de-serialization) |
| |
| protected: |
| void initFromTSS(); // init from TSS and increment per-thread sequence number |
| void initFromTSS_SameThreadIdAndSameSequenceId(); // for after delta message |
| // fail, and server is |
| // looking for full value. |
| // So eventiD should be |
| // same |
| |
| private: |
| // never implemented. |
| void operator=(const EventId& other); |
| EventId(const EventId& other); |
| }; |
| } // namespace client |
| } // namespace geode |
| } // namespace apache |
| |
| #endif // GEODE_EVENTID_H_ |