forked from kataras/iris
/
bytes.go
58 lines (51 loc) · 1.41 KB
/
bytes.go
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package utils
import (
"bytes"
"encoding/gob"
)
// SerializeBytes serializa bytes using gob encoder and returns them
func SerializeBytes(m interface{}) ([]byte, error) {
buf := new(bytes.Buffer)
enc := gob.NewEncoder(buf)
err := enc.Encode(m)
if err == nil {
return buf.Bytes(), nil
}
return nil, err
}
// DeserializeBytes converts the bytes to an object using gob decoder
func DeserializeBytes(b []byte, m interface{}) error {
dec := gob.NewDecoder(bytes.NewBuffer(b))
return dec.Decode(m) //no reference here otherwise doesn't work because of go remote object
}
// BufferPool implements a pool of bytes.Buffers in the form of a bounded channel.
// Pulled from the github.com/oxtoacart/bpool package (Apache licensed).
type BufferPool struct {
c chan *bytes.Buffer
}
// NewBufferPool creates a new BufferPool bounded to the given size.
func NewBufferPool(size int) (bp *BufferPool) {
return &BufferPool{
c: make(chan *bytes.Buffer, size),
}
}
// Get gets a Buffer from the BufferPool, or creates a new one if none are
// available in the pool.
func (bp *BufferPool) Get() (b *bytes.Buffer) {
select {
case b = <-bp.c:
// reuse existing buffer
default:
// create new buffer
b = bytes.NewBuffer([]byte{})
}
return
}
// Put returns the given Buffer to the BufferPool.
func (bp *BufferPool) Put(b *bytes.Buffer) {
b.Reset()
select {
case bp.c <- b:
default: // Discard the buffer if the pool is full.
}
}