2020-04-11 19:37:41 +00:00
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package log_buffer
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2020-04-11 09:19:45 +00:00
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import "time"
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type MemBuffer struct {
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buf []byte
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startTime time.Time
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stopTime time.Time
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}
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type SealedBuffers struct {
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buffers []*MemBuffer
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}
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func newSealedBuffers(size int) *SealedBuffers {
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sbs := &SealedBuffers{}
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sbs.buffers = make([]*MemBuffer, size)
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for i := 0; i < size; i++ {
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sbs.buffers[i] = &MemBuffer{
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buf: make([]byte, BufferSize),
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}
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}
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return sbs
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}
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func (sbs *SealedBuffers) SealBuffer(startTime, stopTime time.Time, buf []byte) (newBuf []byte) {
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oldMemBuffer := sbs.buffers[0]
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size := len(sbs.buffers)
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for i := 0; i < size-1; i++ {
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sbs.buffers[i].buf = sbs.buffers[i+1].buf
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sbs.buffers[i].startTime = sbs.buffers[i+1].startTime
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sbs.buffers[i].stopTime = sbs.buffers[i+1].stopTime
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}
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sbs.buffers[size-1].buf = buf
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sbs.buffers[size-1].startTime = startTime
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sbs.buffers[size-1].stopTime = stopTime
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return oldMemBuffer.buf
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}
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