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Change buffer to be managed by another structure
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Original file line number | Original file line | Diff line number | Diff line change |
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@@ -0,0 +1,48 @@ | |||
package fluent | |||
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import ( | |||
"sync" | |||
) | |||
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type buffer struct { | |||
buf []byte | |||
mu sync.Mutex | |||
Dirty chan struct{} | |||
} | |||
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func newBuffer() buffer { | |||
return buffer{ | |||
buf: []byte{}, | |||
Dirty: make(chan struct{}), | |||
} | |||
} | |||
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func (buffer *buffer) Add(raw []byte) { | |||
buffer.mu.Lock() | |||
defer buffer.mu.Unlock() | |||
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buffer.buf = append(buffer.buf, raw...) | |||
go func() { | |||
buffer.Dirty <- struct{}{} | |||
}() | |||
} | |||
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func (buffer *buffer) Remove() []byte { | |||
buffer.mu.Lock() | |||
defer buffer.mu.Unlock() | |||
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if len(buffer.buf) == 0 { | |||
return nil | |||
} | |||
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data := buffer.buf | |||
buffer.buf = buffer.buf[:0] | |||
return data | |||
} | |||
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func (buffer *buffer) Back(raw []byte) { | |||
buffer.mu.Lock() | |||
defer buffer.mu.Unlock() | |||
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buffer.buf = append(buffer.buf, raw...) | |||
} |
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