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17 changes: 13 additions & 4 deletions event_channel.go
Original file line number Diff line number Diff line change
Expand Up @@ -42,8 +42,12 @@ func (n *FutureEvent) Next() <-chan *Ctx {
Rules: n.Rule,
Engine: defaultEngine,
Handler: func(ctx *Ctx) {
ch <- ctx
close(ch)
// 使用 go func 异步发送,确保不阻塞主线程
go func() {
defer func() { _ = recover() }()
ch <- ctx
close(ch)
}()
},
})
return ch
Expand All @@ -53,7 +57,8 @@ func (n *FutureEvent) Next() <-chan *Ctx {
//
// 如果没有取消监听,将不断监听指定事件
func (n *FutureEvent) Repeat() (recv <-chan *Ctx, cancel func()) {
ch, done := make(chan *Ctx, 1), make(chan struct{})
// 保留扩容到 100,应对突发消息
ch, done := make(chan *Ctx, 100), make(chan struct{})
go func() {
defer close(ch)
in := make(chan *Ctx, 1)
Expand All @@ -64,7 +69,11 @@ func (n *FutureEvent) Repeat() (recv <-chan *Ctx, cancel func()) {
Rules: n.Rule,
Engine: defaultEngine,
Handler: func(ctx *Ctx) {
in <- ctx
// 只要 Consumer 处理不是极度滞后,这种方式就能防止 Bot 核心被阻塞
go func() {
defer func() { _ = recover() }()
in <- ctx
}()
},
})
for {
Expand Down
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