messagequeueservice

package
v1.19.5 Latest Latest
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 Go to latest Published: Apr 4, 2023 License: Apache-2.0 Imports: 16 Imported by: 0

Documentation

Index

Constants

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const CustomerCollectName = "SysCustomer"
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const DefaultMaxTopicBacklogNum = 100000 //处理的channel最大数量
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const DefaultMemoryQueueLen = 50000 //内存的最大长度
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const DefaultOnceProcessTopicDataNum = 1024 //一次处理的topic数量，考虑批量落地的数量
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const DefaultOneBatchQuantity = 1000
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const MaxDays = 180

Variables

This section is empty.

Functions

This section is empty.

Types

type CustomerSubscriber 

type CustomerSubscriber struct {
	rpc.IRpcHandler

	StartIndex uint64
	// contains filtered or unexported fields
}

func (*CustomerSubscriber) LoadLastIndex 

func (cs *CustomerSubscriber) LoadLastIndex()

func (*CustomerSubscriber) Subscribe 

func (cs *CustomerSubscriber) Subscribe(rpcHandler rpc.IRpcHandler, ss *Subscriber, topic string, subscribeMethod SubscribeMethod, customerId string, fromNodeId int, callBackRpcMethod string, startIndex uint64, oneBatchQuantity int32) error

开始订阅

func (*CustomerSubscriber) SubscribeRun 

func (cs *CustomerSubscriber) SubscribeRun()

func (*CustomerSubscriber) UnSubscribe 

func (cs *CustomerSubscriber) UnSubscribe()

取消订阅

type MemoryQueue 

type MemoryQueue struct {
	// contains filtered or unexported fields
}

func (*MemoryQueue) FindData 

func (mq *MemoryQueue) FindData(startIndex uint64, limit int32, dataQueue []TopicData) ([]TopicData, bool)

FindData 返回参数[]TopicData 表示查找到的数据，nil表示无数据。bool表示是否不应该在内存中来查

func (*MemoryQueue) Init 

func (mq *MemoryQueue) Init(cap int32)

func (*MemoryQueue) Push 

func (mq *MemoryQueue) Push(topicData *TopicData) bool

从队尾Push数据

type MessageQueueService 

type MessageQueueService struct {
	service.Service

	sync.Mutex
	// contains filtered or unexported fields
}

func (*MessageQueueService) GetTopicRoom 

func (ms *MessageQueueService) GetTopicRoom(topic string) *TopicRoom

func (*MessageQueueService) OnInit 

func (ms *MessageQueueService) OnInit() error

func (*MessageQueueService) OnRelease 

func (ms *MessageQueueService) OnRelease()

func (*MessageQueueService) RPC_Publish 

func (ms *MessageQueueService) RPC_Publish(inParam *rpc.DBQueuePublishReq, outParam *rpc.DBQueuePublishRes) error

func (*MessageQueueService) RPC_Subscribe 

func (ms *MessageQueueService) RPC_Subscribe(req *rpc.DBQueueSubscribeReq, res *rpc.DBQueueSubscribeRes) error

func (*MessageQueueService) ReadCfg 

func (ms *MessageQueueService) ReadCfg() error

func (*MessageQueueService) Setup 

func (ms *MessageQueueService) Setup(dataPersist QueueDataPersist)

type MongoPersist 

type MongoPersist struct {
	service.Module
	// contains filtered or unexported fields
}

func (*MongoPersist) FindTopicData 

func (mp *MongoPersist) FindTopicData(topic string, startIndex uint64, limit int64, topicBuff []TopicData) []TopicData

FindTopicData 查找数据

func (*MongoPersist) GetDateByIndex 

func (mp *MongoPersist) GetDateByIndex(startIndex uint64) string

func (*MongoPersist) GetIndex 

func (mp *MongoPersist) GetIndex(topicData *TopicData) uint64

GetIndex 通过topic数据获取进度索引号

func (*MongoPersist) GetNextIndex 

func (mp *MongoPersist) GetNextIndex(startIndex uint64, addDay int) uint64

func (*MongoPersist) GetNowTime 

func (mp *MongoPersist) GetNowTime() string

func (*MongoPersist) IsSameDay added in v1.19.1 

func (mp *MongoPersist) IsSameDay(timestamp1 int64, timestamp2 int64) bool

func (*MongoPersist) IsYesterday 

func (mp *MongoPersist) IsYesterday(startIndex uint64) (bool, string)

func (*MongoPersist) LoadCustomerIndex 

func (mp *MongoPersist) LoadCustomerIndex(topic string, customerId string) (uint64, bool)

LoadCustomerIndex false时代表获取失败，一般是读取错误，会进行重试。如果不存在时，返回(0,true)

func (*MongoPersist) OnExit 

func (mp *MongoPersist) OnExit()

func (*MongoPersist) OnInit 

func (mp *MongoPersist) OnInit() error

func (*MongoPersist) OnPushTopicDataToCustomer 

func (mp *MongoPersist) OnPushTopicDataToCustomer(topic string, topicData []TopicData)

OnPushTopicDataToCustomer 当推送数据到Customer时回调

func (*MongoPersist) OnReceiveTopicData 

func (mp *MongoPersist) OnReceiveTopicData(topic string, topicData []TopicData)

OnReceiveTopicData 当收到推送过来的数据时

func (*MongoPersist) PersistIndex 

func (mp *MongoPersist) PersistIndex(topic string, customerId string, index uint64)

PersistIndex 持久化进度索引号

func (*MongoPersist) PersistTopicData 

func (mp *MongoPersist) PersistTopicData(topic string, topicData []TopicData, retryCount int) ([]TopicData, []TopicData, bool)

PersistTopicData 持久化数据

func (*MongoPersist) ReadCfg 

func (mp *MongoPersist) ReadCfg() error

type QueueDataPersist 

type QueueDataPersist interface {
	service.IModule

	OnExit()
	OnReceiveTopicData(topic string, topicData []TopicData)                                                //当收到推送过来的数据时
	OnPushTopicDataToCustomer(topic string, topicData []TopicData)                                         //当推送数据到Customer时回调
	PersistTopicData(topic string, topicData []TopicData, retryCount int) ([]TopicData, []TopicData, bool) //持久化数据,失败则返回false，上层会重复尝试，直到成功，建议在函数中加入次数，超过次数则返回true
	FindTopicData(topic string, startIndex uint64, limit int64, topicBuff []TopicData) []TopicData         //查找数据,参数bool代表数据库查找是否成功
	LoadCustomerIndex(topic string, customerId string) (uint64, bool)                                      //false时代表获取失败，一般是读取错误，会进行重试。如果不存在时，返回(0,true)
	GetIndex(topicData *TopicData) uint64                                                                  //通过topic数据获取进度索引号
	PersistIndex(topic string, customerId string, index uint64)                                            //持久化进度索引号
}

type SubscribeMethod 

type SubscribeMethod = int32
const (
	MethodCustom SubscribeMethod = 0 //自定义模式，以消费者设置的StartIndex开始获取或订阅
	MethodLast   SubscribeMethod = 1 //Last模式，以该消费者上次记录的位置开始订阅
)

type Subscriber 

type Subscriber struct {
	// contains filtered or unexported fields
}

订阅器

func (*Subscriber) Init 

func (ss *Subscriber) Init(memoryQueueCap int32)

func (*Subscriber) PersistTopicData 

func (ss *Subscriber) PersistTopicData(topic string, topics []TopicData, retryCount int) ([]TopicData, []TopicData, bool)

func (*Subscriber) PushTopicDataToQueue 

func (ss *Subscriber) PushTopicDataToQueue(topic string, topics []TopicData)

func (*Subscriber) TopicSubscribe 

func (ss *Subscriber) TopicSubscribe(rpcHandler rpc.IRpcHandler, subScribeType rpc.SubscribeType, subscribeMethod SubscribeMethod, fromNodeId int, callBackRpcMethod string, topic string, customerId string, StartIndex uint64, oneBatchQuantity int32) error

func (*Subscriber) UnSubscribe 

func (ss *Subscriber) UnSubscribe(customerId string)

type TopicData 

type TopicData struct {
	Seq     uint64 //序号
	RawData []byte //原始数据

	ExtendParam interface{} //扩展参数
}

func (TopicData) GetValue 

func (t TopicData) GetValue() uint64

type TopicRoom 

type TopicRoom struct {
	Subscriber //订阅器

	//onceProcessTopicDataNum int //一次处理的订阅数据最大量，方便订阅器Subscriber和QueueDataProcessor批量处理
	StagingBuff []TopicData
	// contains filtered or unexported fields
}

func (*TopicRoom) Init 

func (tr *TopicRoom) Init(maxTopicBacklogNum int32, memoryQueueLen int32, topic string, queueWait *sync.WaitGroup, dataPersist QueueDataPersist)

maxProcessTopicBacklogNum:主题最大积压数量

func (*TopicRoom) NextSeq 

func (tr *TopicRoom) NextSeq() uint64

func (*TopicRoom) Publish 

func (tr *TopicRoom) Publish(data [][]byte) error

func (*TopicRoom) Stop 

func (tr *TopicRoom) Stop()

Source Files

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