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-rw-r--r--vendor/github.com/oxtoacart/bpool/bytepool.go45
1 files changed, 45 insertions, 0 deletions
diff --git a/vendor/github.com/oxtoacart/bpool/bytepool.go b/vendor/github.com/oxtoacart/bpool/bytepool.go
new file mode 100644
index 0000000..ef3898a
--- /dev/null
+++ b/vendor/github.com/oxtoacart/bpool/bytepool.go
@@ -0,0 +1,45 @@
+package bpool
+
+// BytePool implements a leaky pool of []byte in the form of a bounded
+// channel.
+type BytePool struct {
+ c chan []byte
+ w int
+}
+
+// NewBytePool creates a new BytePool bounded to the given maxSize, with new
+// byte arrays sized based on width.
+func NewBytePool(maxSize int, width int) (bp *BytePool) {
+ return &BytePool{
+ c: make(chan []byte, maxSize),
+ w: width,
+ }
+}
+
+// Get gets a []byte from the BytePool, or creates a new one if none are
+// available in the pool.
+func (bp *BytePool) Get() (b []byte) {
+ select {
+ case b = <-bp.c:
+ // reuse existing buffer
+ default:
+ // create new buffer
+ b = make([]byte, bp.w)
+ }
+ return
+}
+
+// Put returns the given Buffer to the BytePool.
+func (bp *BytePool) Put(b []byte) {
+ select {
+ case bp.c <- b:
+ // buffer went back into pool
+ default:
+ // buffer didn't go back into pool, just discard
+ }
+}
+
+// Width returns the width of the byte arrays in this pool.
+func (bp *BytePool) Width() (n int) {
+ return bp.w
+}