forked from TrueCloudLab/frostfs-node
[#770] pkg/morph: Rename all parsers and handlers structs/interfaces
Prepare all listening structures for notary events: rename(add prefix/suffix 'notification') all notification specific handlers/parsers. Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>support/v0.27
parent
c87bc70536
commit
d252aa4a3e
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@ -140,7 +140,7 @@ type cfgAccounting struct {
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type cfgContainer struct {
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scriptHash neogoutil.Uint160
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parsers map[event.Type]event.Parser
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parsers map[event.Type]event.NotificationParser
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subscribers map[event.Type][]event.Handler
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workerPool util.WorkerPool // pool for asynchronous handlers
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}
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@ -149,7 +149,7 @@ type cfgNetmap struct {
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scriptHash neogoutil.Uint160
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wrapper *nmwrapper.Wrapper
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parsers map[event.Type]event.Parser
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parsers map[event.Type]event.NotificationParser
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subscribers map[event.Type][]event.Handler
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workerPool util.WorkerPool // pool for asynchronous handlers
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@ -175,11 +175,11 @@ func addContainerAsyncNotificationHandler(c *cfg, sTyp string, h event.Handler)
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)
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}
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func setContainerNotificationParser(c *cfg, sTyp string, p event.Parser) {
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func setContainerNotificationParser(c *cfg, sTyp string, p event.NotificationParser) {
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typ := event.TypeFromString(sTyp)
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if c.cfgContainer.parsers == nil {
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c.cfgContainer.parsers = make(map[event.Type]event.Parser, 1)
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c.cfgContainer.parsers = make(map[event.Type]event.NotificationParser, 1)
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}
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c.cfgContainer.parsers[typ] = p
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@ -139,10 +139,10 @@ func listenMorphNotifications(c *cfg) {
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})
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}
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func registerNotificationHandlers(scHash util.Uint160, lis event.Listener, parsers map[event.Type]event.Parser,
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func registerNotificationHandlers(scHash util.Uint160, lis event.Listener, parsers map[event.Type]event.NotificationParser,
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subs map[event.Type][]event.Handler) {
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for typ, handlers := range subs {
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pi := event.ParserInfo{}
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pi := event.NotificationParserInfo{}
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pi.SetType(typ)
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pi.SetScriptHash(scHash)
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@ -153,15 +153,15 @@ func registerNotificationHandlers(scHash util.Uint160, lis event.Listener, parse
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pi.SetParser(p)
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lis.SetParser(pi)
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lis.SetNotificationParser(pi)
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for _, h := range handlers {
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hi := event.HandlerInfo{}
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hi := event.NotificationHandlerInfo{}
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hi.SetType(typ)
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hi.SetScriptHash(scHash)
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hi.SetHandler(h)
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lis.RegisterHandler(hi)
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lis.RegisterNotificationHandler(hi)
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}
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}
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}
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@ -166,11 +166,11 @@ func addNetmapNotificationHandler(c *cfg, sTyp string, h event.Handler) {
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c.cfgNetmap.subscribers[typ] = append(c.cfgNetmap.subscribers[typ], h)
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}
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func setNetmapNotificationParser(c *cfg, sTyp string, p event.Parser) {
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func setNetmapNotificationParser(c *cfg, sTyp string, p event.NotificationParser) {
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typ := event.TypeFromString(sTyp)
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if c.cfgNetmap.parsers == nil {
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c.cfgNetmap.parsers = make(map[event.Type]event.Parser, 1)
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c.cfgNetmap.parsers = make(map[event.Type]event.NotificationParser, 1)
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}
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c.cfgNetmap.parsers[typ] = p
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@ -8,21 +8,21 @@ type (
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// ContractProcessor interface defines functions for binding event producers
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// such as event.Listener and Timers with contract processor.
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ContractProcessor interface {
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ListenerParsers() []event.ParserInfo
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ListenerHandlers() []event.HandlerInfo
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TimersHandlers() []event.HandlerInfo
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ListenerNotificationParsers() []event.NotificationParserInfo
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ListenerNotificationHandlers() []event.NotificationHandlerInfo
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TimersHandlers() []event.NotificationHandlerInfo
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}
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)
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func connectListenerWithProcessor(l event.Listener, p ContractProcessor) {
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// register parsers
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for _, parser := range p.ListenerParsers() {
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l.SetParser(parser)
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for _, parser := range p.ListenerNotificationParsers() {
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l.SetNotificationParser(parser)
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}
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// register handlers
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for _, handler := range p.ListenerHandlers() {
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l.RegisterHandler(handler)
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for _, handler := range p.ListenerNotificationHandlers() {
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l.RegisterNotificationHandler(handler)
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}
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}
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@ -82,17 +82,17 @@ func New(p *Params) (*Processor, error) {
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}, nil
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}
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// ListenerParsers for the 'event.Listener' event producer.
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func (np *Processor) ListenerParsers() []event.ParserInfo {
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// ListenerNotificationParsers for the 'event.Listener' event producer.
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func (np *Processor) ListenerNotificationParsers() []event.NotificationParserInfo {
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return nil
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}
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// ListenerHandlers for the 'event.Listener' event producer.
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func (np *Processor) ListenerHandlers() []event.HandlerInfo {
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// ListenerNotificationHandlers for the 'event.Listener' event producer.
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func (np *Processor) ListenerNotificationHandlers() []event.NotificationHandlerInfo {
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return nil
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}
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// TimersHandlers for the 'Timers' event producer.
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func (np *Processor) TimersHandlers() []event.HandlerInfo {
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func (np *Processor) TimersHandlers() []event.NotificationHandlerInfo {
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return nil
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}
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@ -116,18 +116,18 @@ func New(p *Params) (*Processor, error) {
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}, nil
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}
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// ListenerParsers for the 'event.Listener' event producer.
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func (ap *Processor) ListenerParsers() []event.ParserInfo {
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// ListenerNotificationParsers for the 'event.Listener' event producer.
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func (ap *Processor) ListenerNotificationParsers() []event.NotificationParserInfo {
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return nil
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}
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// ListenerHandlers for the 'event.Listener' event producer.
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func (ap *Processor) ListenerHandlers() []event.HandlerInfo {
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// ListenerNotificationHandlers for the 'event.Listener' event producer.
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func (ap *Processor) ListenerNotificationHandlers() []event.NotificationHandlerInfo {
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return nil
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}
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// TimersHandlers for the 'Timers' event producer.
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func (ap *Processor) TimersHandlers() []event.HandlerInfo {
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func (ap *Processor) TimersHandlers() []event.NotificationHandlerInfo {
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return nil
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}
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@ -76,12 +76,12 @@ func New(p *Params) (*Processor, error) {
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}, nil
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}
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// ListenerParsers for the 'event.Listener' event producer.
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func (bp *Processor) ListenerParsers() []event.ParserInfo {
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var parsers []event.ParserInfo
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// ListenerNotificationParsers for the 'event.Listener' event producer.
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func (bp *Processor) ListenerNotificationParsers() []event.NotificationParserInfo {
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var parsers []event.NotificationParserInfo
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// new lock event
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lock := event.ParserInfo{}
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lock := event.NotificationParserInfo{}
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lock.SetType(lockNotification)
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lock.SetScriptHash(bp.balanceContract)
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lock.SetParser(balanceEvent.ParseLock)
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@ -90,12 +90,12 @@ func (bp *Processor) ListenerParsers() []event.ParserInfo {
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return parsers
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}
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// ListenerHandlers for the 'event.Listener' event producer.
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func (bp *Processor) ListenerHandlers() []event.HandlerInfo {
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var handlers []event.HandlerInfo
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// ListenerNotificationHandlers for the 'event.Listener' event producer.
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func (bp *Processor) ListenerNotificationHandlers() []event.NotificationHandlerInfo {
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var handlers []event.NotificationHandlerInfo
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// lock handler
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lock := event.HandlerInfo{}
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lock := event.NotificationHandlerInfo{}
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lock.SetType(lockNotification)
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lock.SetScriptHash(bp.balanceContract)
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lock.SetHandler(bp.handleLock)
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@ -105,6 +105,6 @@ func (bp *Processor) ListenerHandlers() []event.HandlerInfo {
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}
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// TimersHandlers for the 'Timers' event producer.
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func (bp *Processor) TimersHandlers() []event.HandlerInfo {
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func (bp *Processor) TimersHandlers() []event.NotificationHandlerInfo {
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return nil
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}
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@ -92,12 +92,12 @@ func New(p *Params) (*Processor, error) {
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}, nil
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}
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// ListenerParsers for the 'event.Listener' event producer.
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func (cp *Processor) ListenerParsers() []event.ParserInfo {
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// ListenerNotificationParsers for the 'event.Listener' event producer.
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func (cp *Processor) ListenerNotificationParsers() []event.NotificationParserInfo {
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var (
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parsers = make([]event.ParserInfo, 0, 3)
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parsers = make([]event.NotificationParserInfo, 0, 3)
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p event.ParserInfo
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p event.NotificationParserInfo
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)
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p.SetScriptHash(cp.containerContract)
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@ -120,12 +120,12 @@ func (cp *Processor) ListenerParsers() []event.ParserInfo {
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return parsers
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}
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// ListenerHandlers for the 'event.Listener' event producer.
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func (cp *Processor) ListenerHandlers() []event.HandlerInfo {
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// ListenerNotificationHandlers for the 'event.Listener' event producer.
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func (cp *Processor) ListenerNotificationHandlers() []event.NotificationHandlerInfo {
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var (
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handlers = make([]event.HandlerInfo, 0, 3)
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handlers = make([]event.NotificationHandlerInfo, 0, 3)
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h event.HandlerInfo
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h event.NotificationHandlerInfo
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)
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h.SetScriptHash(cp.containerContract)
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@ -149,6 +149,6 @@ func (cp *Processor) ListenerHandlers() []event.HandlerInfo {
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}
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// TimersHandlers for the 'Timers' event producer.
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func (cp *Processor) TimersHandlers() []event.HandlerInfo {
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func (cp *Processor) TimersHandlers() []event.NotificationHandlerInfo {
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return nil
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}
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@ -128,25 +128,25 @@ func New(p *Params) (*Processor, error) {
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}, nil
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}
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// ListenerParsers for the 'event.Listener' event producer.
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func (gp *Processor) ListenerParsers() []event.ParserInfo {
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var pi event.ParserInfo
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// ListenerNotificationParsers for the 'event.Listener' event producer.
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func (gp *Processor) ListenerNotificationParsers() []event.NotificationParserInfo {
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var pi event.NotificationParserInfo
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pi.SetScriptHash(gp.designate)
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pi.SetType(event.TypeFromString(native.DesignationEventName))
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pi.SetParser(rolemanagement.ParseDesignate)
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return []event.ParserInfo{pi}
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return []event.NotificationParserInfo{pi}
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}
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// ListenerHandlers for the 'event.Listener' event producer.
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func (gp *Processor) ListenerHandlers() []event.HandlerInfo {
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var hi event.HandlerInfo
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// ListenerNotificationHandlers for the 'event.Listener' event producer.
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func (gp *Processor) ListenerNotificationHandlers() []event.NotificationHandlerInfo {
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var hi event.NotificationHandlerInfo
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hi.SetScriptHash(gp.designate)
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hi.SetType(event.TypeFromString(native.DesignationEventName))
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hi.SetHandler(gp.HandleAlphabetSync)
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return []event.HandlerInfo{hi}
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return []event.NotificationHandlerInfo{hi}
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}
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// TimersHandlers for the 'Timers' event producer.
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func (gp *Processor) TimersHandlers() []event.HandlerInfo {
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func (gp *Processor) TimersHandlers() []event.NotificationHandlerInfo {
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return nil
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}
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@ -129,12 +129,12 @@ func New(p *Params) (*Processor, error) {
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}, nil
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}
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// ListenerParsers for the 'event.Listener' event producer.
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func (np *Processor) ListenerParsers() []event.ParserInfo {
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// ListenerNotificationParsers for the 'event.Listener' event producer.
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func (np *Processor) ListenerNotificationParsers() []event.NotificationParserInfo {
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var (
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parsers = make([]event.ParserInfo, 0, 6)
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parsers = make([]event.NotificationParserInfo, 0, 6)
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p event.ParserInfo
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p event.NotificationParserInfo
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)
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p.SetScriptHash(np.neofsContract)
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@ -172,12 +172,12 @@ func (np *Processor) ListenerParsers() []event.ParserInfo {
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return parsers
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}
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// ListenerHandlers for the 'event.Listener' event producer.
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func (np *Processor) ListenerHandlers() []event.HandlerInfo {
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// ListenerNotificationHandlers for the 'event.Listener' event producer.
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func (np *Processor) ListenerNotificationHandlers() []event.NotificationHandlerInfo {
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var (
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handlers = make([]event.HandlerInfo, 0, 6)
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handlers = make([]event.NotificationHandlerInfo, 0, 6)
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h event.HandlerInfo
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h event.NotificationHandlerInfo
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)
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h.SetScriptHash(np.neofsContract)
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@ -216,6 +216,6 @@ func (np *Processor) ListenerHandlers() []event.HandlerInfo {
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}
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// TimersHandlers for the 'Timers' event producer.
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func (np *Processor) TimersHandlers() []event.HandlerInfo {
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func (np *Processor) TimersHandlers() []event.NotificationHandlerInfo {
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return nil
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}
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@ -146,26 +146,26 @@ func New(p *Params) (*Processor, error) {
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}, nil
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}
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// ListenerParsers for the 'event.Listener' event producer.
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func (np *Processor) ListenerParsers() []event.ParserInfo {
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var parsers []event.ParserInfo
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// ListenerNotificationParsers for the 'event.Listener' event producer.
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func (np *Processor) ListenerNotificationParsers() []event.NotificationParserInfo {
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var parsers []event.NotificationParserInfo
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// new epoch event
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newEpoch := event.ParserInfo{}
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newEpoch := event.NotificationParserInfo{}
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newEpoch.SetType(newEpochNotification)
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newEpoch.SetScriptHash(np.netmapContract)
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newEpoch.SetParser(netmapEvent.ParseNewEpoch)
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parsers = append(parsers, newEpoch)
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// new peer event
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addPeer := event.ParserInfo{}
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addPeer := event.NotificationParserInfo{}
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addPeer.SetType(addPeerNotification)
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addPeer.SetScriptHash(np.netmapContract)
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addPeer.SetParser(netmapEvent.ParseAddPeer)
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parsers = append(parsers, addPeer)
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// update peer event
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updatePeer := event.ParserInfo{}
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updatePeer := event.NotificationParserInfo{}
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updatePeer.SetType(updatePeerStateNotification)
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updatePeer.SetScriptHash(np.netmapContract)
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updatePeer.SetParser(netmapEvent.ParseUpdatePeer)
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@ -174,26 +174,26 @@ func (np *Processor) ListenerParsers() []event.ParserInfo {
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return parsers
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}
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// ListenerHandlers for the 'event.Listener' event producer.
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func (np *Processor) ListenerHandlers() []event.HandlerInfo {
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var handlers []event.HandlerInfo
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// ListenerNotificationHandlers for the 'event.Listener' event producer.
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func (np *Processor) ListenerNotificationHandlers() []event.NotificationHandlerInfo {
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var handlers []event.NotificationHandlerInfo
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// new epoch handler
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newEpoch := event.HandlerInfo{}
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newEpoch := event.NotificationHandlerInfo{}
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newEpoch.SetType(newEpochNotification)
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newEpoch.SetScriptHash(np.netmapContract)
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newEpoch.SetHandler(np.handleNewEpoch)
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handlers = append(handlers, newEpoch)
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// new peer handler
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addPeer := event.HandlerInfo{}
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addPeer := event.NotificationHandlerInfo{}
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addPeer.SetType(addPeerNotification)
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addPeer.SetScriptHash(np.netmapContract)
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addPeer.SetHandler(np.handleAddPeer)
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handlers = append(handlers, addPeer)
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// update peer handler
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updatePeer := event.HandlerInfo{}
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updatePeer := event.NotificationHandlerInfo{}
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updatePeer.SetType(updatePeerStateNotification)
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updatePeer.SetScriptHash(np.netmapContract)
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updatePeer.SetHandler(np.handleUpdateState)
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@ -203,6 +203,6 @@ func (np *Processor) ListenerHandlers() []event.HandlerInfo {
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}
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// TimersHandlers for the 'Timers' event producer.
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func (np *Processor) TimersHandlers() []event.HandlerInfo {
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func (np *Processor) TimersHandlers() []event.NotificationHandlerInfo {
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return nil
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}
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@ -88,12 +88,12 @@ func New(p *Params) (*Processor, error) {
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}, nil
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}
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// ListenerParsers for the 'event.Listener' event producer.
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func (rp *Processor) ListenerParsers() []event.ParserInfo {
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var parsers []event.ParserInfo
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// ListenerNotificationParsers for the 'event.Listener' event producer.
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func (rp *Processor) ListenerNotificationParsers() []event.NotificationParserInfo {
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var parsers []event.NotificationParserInfo
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// put reputation event
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put := event.ParserInfo{}
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put := event.NotificationParserInfo{}
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put.SetType(putReputationNotification)
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put.SetScriptHash(rp.reputationContract)
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put.SetParser(reputationEvent.ParsePut)
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@ -102,12 +102,12 @@ func (rp *Processor) ListenerParsers() []event.ParserInfo {
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return parsers
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}
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// ListenerHandlers for the 'event.Listener' event producer.
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func (rp *Processor) ListenerHandlers() []event.HandlerInfo {
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var handlers []event.HandlerInfo
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// ListenerNotificationHandlers for the 'event.Listener' event producer.
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func (rp *Processor) ListenerNotificationHandlers() []event.NotificationHandlerInfo {
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var handlers []event.NotificationHandlerInfo
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// put reputation handler
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put := event.HandlerInfo{}
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put := event.NotificationHandlerInfo{}
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put.SetType(putReputationNotification)
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put.SetScriptHash(rp.reputationContract)
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put.SetHandler(rp.handlePutReputation)
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@ -117,6 +117,6 @@ func (rp *Processor) ListenerHandlers() []event.HandlerInfo {
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}
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// TimersHandlers for the 'Timers' event producer.
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func (rp *Processor) TimersHandlers() []event.HandlerInfo {
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func (rp *Processor) TimersHandlers() []event.NotificationHandlerInfo {
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return nil
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}
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@ -10,21 +10,21 @@ type Handler func(Event)
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// BlockHandler is a chain block processing function.
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type BlockHandler func(*block.Block)
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// HandlerInfo is a structure that groups
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// NotificationHandlerInfo is a structure that groups
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// the parameters of the handler of particular
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// contract event.
|
||||
type HandlerInfo struct {
|
||||
type NotificationHandlerInfo struct {
|
||||
scriptHashWithType
|
||||
|
||||
h Handler
|
||||
}
|
||||
|
||||
// SetHandler is an event handler setter.
|
||||
func (s *HandlerInfo) SetHandler(v Handler) {
|
||||
func (s *NotificationHandlerInfo) SetHandler(v Handler) {
|
||||
s.h = v
|
||||
}
|
||||
|
||||
// Handler returns an event handler.
|
||||
func (s HandlerInfo) Handler() Handler {
|
||||
func (s NotificationHandlerInfo) Handler() Handler {
|
||||
return s.h
|
||||
}
|
|
@ -29,22 +29,19 @@ type Listener interface {
|
|||
// it could not be started.
|
||||
ListenWithError(context.Context, chan<- error)
|
||||
|
||||
// SetParser must set the parser of particular contract event.
|
||||
// SetNotificationParser must set the parser of particular contract event.
|
||||
//
|
||||
// Parser of each event must be set once. All parsers must be set before Listen call.
|
||||
//
|
||||
// Must ignore nil parsers and all calls after listener has been started.
|
||||
SetParser(ParserInfo)
|
||||
SetNotificationParser(NotificationParserInfo)
|
||||
|
||||
// RegisterHandler must register the event handler for particular notification event of contract.
|
||||
// RegisterNotificationHandler must register the event handler for particular notification event of contract.
|
||||
//
|
||||
// The specified handler must be called after each capture and parsing of the event
|
||||
// The specified handler must be called after each capture and parsing of the event.
|
||||
//
|
||||
// Must ignore nil handlers.
|
||||
RegisterHandler(HandlerInfo)
|
||||
|
||||
// Stop must stop the event listener.
|
||||
Stop()
|
||||
RegisterNotificationHandler(NotificationHandlerInfo)
|
||||
|
||||
// RegisterBlockHandler must register chain block handler.
|
||||
//
|
||||
|
@ -52,6 +49,9 @@ type Listener interface {
|
|||
//
|
||||
// Must ignore nil handlers.
|
||||
RegisterBlockHandler(BlockHandler)
|
||||
|
||||
// Stop must stop the event listener.
|
||||
Stop()
|
||||
}
|
||||
|
||||
// ListenerParams is a group of parameters
|
||||
|
@ -69,9 +69,8 @@ type listener struct {
|
|||
|
||||
started bool
|
||||
|
||||
parsers map[scriptHashWithType]Parser
|
||||
|
||||
handlers map[scriptHashWithType][]Handler
|
||||
notificationParsers map[scriptHashWithType]NotificationParser
|
||||
notificationHandlers map[scriptHashWithType][]Handler
|
||||
|
||||
log *zap.Logger
|
||||
|
||||
|
@ -93,10 +92,10 @@ var (
|
|||
// Executes once, all subsequent calls do nothing.
|
||||
//
|
||||
// Returns an error if listener was already started.
|
||||
func (s listener) Listen(ctx context.Context) {
|
||||
s.once.Do(func() {
|
||||
if err := s.listen(ctx, nil); err != nil {
|
||||
s.log.Error("could not start listen to events",
|
||||
func (l listener) Listen(ctx context.Context) {
|
||||
l.once.Do(func() {
|
||||
if err := l.listen(ctx, nil); err != nil {
|
||||
l.log.Error("could not start listen to events",
|
||||
zap.String("error", err.Error()),
|
||||
)
|
||||
}
|
||||
|
@ -109,10 +108,10 @@ func (s listener) Listen(ctx context.Context) {
|
|||
// Executes once, all subsequent calls do nothing.
|
||||
//
|
||||
// Returns an error if listener was already started.
|
||||
func (s listener) ListenWithError(ctx context.Context, intError chan<- error) {
|
||||
s.once.Do(func() {
|
||||
if err := s.listen(ctx, intError); err != nil {
|
||||
s.log.Error("could not start listen to events",
|
||||
func (l listener) ListenWithError(ctx context.Context, intError chan<- error) {
|
||||
l.once.Do(func() {
|
||||
if err := l.listen(ctx, intError); err != nil {
|
||||
l.log.Error("could not start listen to events",
|
||||
zap.String("error", err.Error()),
|
||||
)
|
||||
intError <- err
|
||||
|
@ -120,13 +119,13 @@ func (s listener) ListenWithError(ctx context.Context, intError chan<- error) {
|
|||
})
|
||||
}
|
||||
|
||||
func (s listener) listen(ctx context.Context, intError chan<- error) error {
|
||||
func (l listener) listen(ctx context.Context, intError chan<- error) error {
|
||||
// create the list of listening contract hashes
|
||||
hashes := make([]util.Uint160, 0)
|
||||
|
||||
// fill the list with the contracts with set event parsers.
|
||||
s.mtx.RLock()
|
||||
for hashType := range s.parsers {
|
||||
l.mtx.RLock()
|
||||
for hashType := range l.notificationParsers {
|
||||
scHash := hashType.ScriptHash()
|
||||
|
||||
// prevent repetitions
|
||||
|
@ -140,30 +139,30 @@ func (s listener) listen(ctx context.Context, intError chan<- error) error {
|
|||
}
|
||||
|
||||
// mark listener as started
|
||||
s.started = true
|
||||
l.started = true
|
||||
|
||||
s.mtx.RUnlock()
|
||||
l.mtx.RUnlock()
|
||||
|
||||
chEvent, err := s.subscriber.SubscribeForNotification(hashes...)
|
||||
chEvent, err := l.subscriber.SubscribeForNotification(hashes...)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
s.listenLoop(ctx, chEvent, intError)
|
||||
l.listenLoop(ctx, chEvent, intError)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (s listener) listenLoop(ctx context.Context, chEvent <-chan *state.NotificationEvent, intErr chan<- error) {
|
||||
func (l listener) listenLoop(ctx context.Context, chEvent <-chan *state.NotificationEvent, intErr chan<- error) {
|
||||
var blockChan <-chan *block.Block
|
||||
|
||||
if len(s.blockHandlers) > 0 {
|
||||
if len(l.blockHandlers) > 0 {
|
||||
var err error
|
||||
if blockChan, err = s.subscriber.BlockNotifications(); err != nil {
|
||||
if blockChan, err = l.subscriber.BlockNotifications(); err != nil {
|
||||
if intErr != nil {
|
||||
intErr <- fmt.Errorf("could not open block notifications channel: %w", err)
|
||||
} else {
|
||||
s.log.Debug("could not open block notifications channel",
|
||||
l.log.Debug("could not open block notifications channel",
|
||||
zap.String("error", err.Error()),
|
||||
)
|
||||
}
|
||||
|
@ -178,47 +177,47 @@ loop:
|
|||
for {
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
s.log.Info("stop event listener by context",
|
||||
l.log.Info("stop event listener by context",
|
||||
zap.String("reason", ctx.Err().Error()),
|
||||
)
|
||||
break loop
|
||||
case notifyEvent, ok := <-chEvent:
|
||||
if !ok {
|
||||
s.log.Warn("stop event listener by channel")
|
||||
l.log.Warn("stop event listener by channel")
|
||||
if intErr != nil {
|
||||
intErr <- errors.New("event subscriber connection has been terminated")
|
||||
}
|
||||
|
||||
break loop
|
||||
} else if notifyEvent == nil {
|
||||
s.log.Warn("nil notification event was caught")
|
||||
l.log.Warn("nil notification event was caught")
|
||||
continue loop
|
||||
}
|
||||
|
||||
s.parseAndHandle(notifyEvent)
|
||||
l.parseAndHandleNotification(notifyEvent)
|
||||
case b, ok := <-blockChan:
|
||||
if !ok {
|
||||
s.log.Warn("stop event listener by block channel")
|
||||
l.log.Warn("stop event listener by block channel")
|
||||
if intErr != nil {
|
||||
intErr <- errors.New("new block notification channel is closed")
|
||||
}
|
||||
|
||||
break loop
|
||||
} else if b == nil {
|
||||
s.log.Warn("nil block was caught")
|
||||
l.log.Warn("nil block was caught")
|
||||
continue loop
|
||||
}
|
||||
|
||||
// TODO: consider asynchronous execution
|
||||
for i := range s.blockHandlers {
|
||||
s.blockHandlers[i](b)
|
||||
for i := range l.blockHandlers {
|
||||
l.blockHandlers[i](b)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (s listener) parseAndHandle(notifyEvent *state.NotificationEvent) {
|
||||
log := s.log.With(
|
||||
func (l listener) parseAndHandleNotification(notifyEvent *state.NotificationEvent) {
|
||||
log := l.log.With(
|
||||
zap.String("script hash LE", notifyEvent.ScriptHash.StringLE()),
|
||||
)
|
||||
|
||||
|
@ -247,9 +246,9 @@ func (s listener) parseAndHandle(notifyEvent *state.NotificationEvent) {
|
|||
keyEvent.SetScriptHash(notifyEvent.ScriptHash)
|
||||
keyEvent.SetType(typEvent)
|
||||
|
||||
s.mtx.RLock()
|
||||
parser, ok := s.parsers[keyEvent]
|
||||
s.mtx.RUnlock()
|
||||
l.mtx.RLock()
|
||||
parser, ok := l.notificationParsers[keyEvent]
|
||||
l.mtx.RUnlock()
|
||||
|
||||
if !ok {
|
||||
log.Debug("event parser not set")
|
||||
|
@ -268,12 +267,12 @@ func (s listener) parseAndHandle(notifyEvent *state.NotificationEvent) {
|
|||
}
|
||||
|
||||
// handler the event
|
||||
s.mtx.RLock()
|
||||
handlers := s.handlers[keyEvent]
|
||||
s.mtx.RUnlock()
|
||||
l.mtx.RLock()
|
||||
handlers := l.notificationHandlers[keyEvent]
|
||||
l.mtx.RUnlock()
|
||||
|
||||
if len(handlers) == 0 {
|
||||
log.Info("handlers for parsed notification event were not registered",
|
||||
log.Info("notification handlers for parsed notification event were not registered",
|
||||
zap.Any("event", event),
|
||||
)
|
||||
|
||||
|
@ -285,12 +284,12 @@ func (s listener) parseAndHandle(notifyEvent *state.NotificationEvent) {
|
|||
}
|
||||
}
|
||||
|
||||
// SetParser sets the parser of particular contract event.
|
||||
// SetNotificationParser sets the parser of particular contract event.
|
||||
//
|
||||
// Ignores nil and already set parsers.
|
||||
// Ignores the parser if listener is started.
|
||||
func (s listener) SetParser(p ParserInfo) {
|
||||
log := s.log.With(
|
||||
func (l listener) SetNotificationParser(p NotificationParserInfo) {
|
||||
log := l.log.With(
|
||||
zap.String("script hash LE", p.ScriptHash().StringLE()),
|
||||
zap.Stringer("event type", p.getType()),
|
||||
)
|
||||
|
@ -301,29 +300,29 @@ func (s listener) SetParser(p ParserInfo) {
|
|||
return
|
||||
}
|
||||
|
||||
s.mtx.Lock()
|
||||
defer s.mtx.Unlock()
|
||||
l.mtx.Lock()
|
||||
defer l.mtx.Unlock()
|
||||
|
||||
// check if the listener was started
|
||||
if s.started {
|
||||
if l.started {
|
||||
log.Warn("listener has been already started, ignore parser")
|
||||
return
|
||||
}
|
||||
|
||||
// add event parser
|
||||
if _, ok := s.parsers[p.scriptHashWithType]; !ok {
|
||||
s.parsers[p.scriptHashWithType] = p.parser()
|
||||
if _, ok := l.notificationParsers[p.scriptHashWithType]; !ok {
|
||||
l.notificationParsers[p.scriptHashWithType] = p.parser()
|
||||
}
|
||||
|
||||
log.Info("registered new event parser")
|
||||
}
|
||||
|
||||
// RegisterHandler registers the handler for particular notification event of contract.
|
||||
// RegisterNotificationHandler registers the handler for particular notification event of contract.
|
||||
//
|
||||
// Ignores nil handlers.
|
||||
// Ignores handlers of event without parser.
|
||||
func (s listener) RegisterHandler(p HandlerInfo) {
|
||||
log := s.log.With(
|
||||
func (l listener) RegisterNotificationHandler(p NotificationHandlerInfo) {
|
||||
log := l.log.With(
|
||||
zap.String("script hash LE", p.ScriptHash().StringLE()),
|
||||
zap.Stringer("event type", p.GetType()),
|
||||
)
|
||||
|
@ -335,9 +334,9 @@ func (s listener) RegisterHandler(p HandlerInfo) {
|
|||
}
|
||||
|
||||
// check if parser was set
|
||||
s.mtx.RLock()
|
||||
_, ok := s.parsers[p.scriptHashWithType]
|
||||
s.mtx.RUnlock()
|
||||
l.mtx.RLock()
|
||||
_, ok := l.notificationParsers[p.scriptHashWithType]
|
||||
l.mtx.RUnlock()
|
||||
|
||||
if !ok {
|
||||
log.Warn("ignore handler of event w/o parser")
|
||||
|
@ -345,28 +344,28 @@ func (s listener) RegisterHandler(p HandlerInfo) {
|
|||
}
|
||||
|
||||
// add event handler
|
||||
s.mtx.Lock()
|
||||
s.handlers[p.scriptHashWithType] = append(
|
||||
s.handlers[p.scriptHashWithType],
|
||||
l.mtx.Lock()
|
||||
l.notificationHandlers[p.scriptHashWithType] = append(
|
||||
l.notificationHandlers[p.scriptHashWithType],
|
||||
p.Handler(),
|
||||
)
|
||||
s.mtx.Unlock()
|
||||
l.mtx.Unlock()
|
||||
|
||||
log.Info("registered new event handler")
|
||||
}
|
||||
|
||||
// Stop closes subscription channel with remote neo node.
|
||||
func (s listener) Stop() {
|
||||
s.subscriber.Close()
|
||||
func (l listener) Stop() {
|
||||
l.subscriber.Close()
|
||||
}
|
||||
|
||||
func (s *listener) RegisterBlockHandler(handler BlockHandler) {
|
||||
func (l *listener) RegisterBlockHandler(handler BlockHandler) {
|
||||
if handler == nil {
|
||||
s.log.Warn("ignore nil block handler")
|
||||
l.log.Warn("ignore nil block handler")
|
||||
return
|
||||
}
|
||||
|
||||
s.blockHandlers = append(s.blockHandlers, handler)
|
||||
l.blockHandlers = append(l.blockHandlers, handler)
|
||||
}
|
||||
|
||||
// NewListener create the notification event listener instance and returns Listener interface.
|
||||
|
@ -379,11 +378,11 @@ func NewListener(p ListenerParams) (Listener, error) {
|
|||
}
|
||||
|
||||
return &listener{
|
||||
mtx: new(sync.RWMutex),
|
||||
once: new(sync.Once),
|
||||
parsers: make(map[scriptHashWithType]Parser),
|
||||
handlers: make(map[scriptHashWithType][]Handler),
|
||||
log: p.Logger,
|
||||
subscriber: p.Subscriber,
|
||||
mtx: new(sync.RWMutex),
|
||||
once: new(sync.Once),
|
||||
notificationParsers: make(map[scriptHashWithType]NotificationParser),
|
||||
notificationHandlers: make(map[scriptHashWithType][]Handler),
|
||||
log: p.Logger,
|
||||
subscriber: p.Subscriber,
|
||||
}, nil
|
||||
}
|
||||
|
|
|
@ -6,17 +6,17 @@ import (
|
|||
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
|
||||
)
|
||||
|
||||
// Parser is a function that constructs Event
|
||||
// NotificationParser is a function that constructs Event
|
||||
// from the StackItem list.
|
||||
type Parser func([]stackitem.Item) (Event, error)
|
||||
type NotificationParser func([]stackitem.Item) (Event, error)
|
||||
|
||||
// ParserInfo is a structure that groups
|
||||
// NotificationParserInfo is a structure that groups
|
||||
// the parameters of particular contract
|
||||
// notification event parser.
|
||||
type ParserInfo struct {
|
||||
type NotificationParserInfo struct {
|
||||
scriptHashWithType
|
||||
|
||||
p Parser
|
||||
p NotificationParser
|
||||
}
|
||||
|
||||
type wrongPrmNumber struct {
|
||||
|
@ -36,19 +36,19 @@ func (s wrongPrmNumber) Error() string {
|
|||
}
|
||||
|
||||
// SetParser is an event parser setter.
|
||||
func (s *ParserInfo) SetParser(v Parser) {
|
||||
func (s *NotificationParserInfo) SetParser(v NotificationParser) {
|
||||
s.p = v
|
||||
}
|
||||
|
||||
func (s ParserInfo) parser() Parser {
|
||||
func (s NotificationParserInfo) parser() NotificationParser {
|
||||
return s.p
|
||||
}
|
||||
|
||||
// SetType is an event type setter.
|
||||
func (s *ParserInfo) SetType(v Type) {
|
||||
func (s *NotificationParserInfo) SetType(v Type) {
|
||||
s.typ = v
|
||||
}
|
||||
|
||||
func (s ParserInfo) getType() Type {
|
||||
func (s NotificationParserInfo) getType() Type {
|
||||
return s.typ
|
||||
}
|
Loading…
Reference in New Issue