TUN-5261: Collect QUIC metrics about RTT, packets and bytes transfered and log events at tracing level

vendor/github.com/francoispqt/gojay/encode_stream_pool.go

@@ -0,0 +1,38 @@
+package gojay
+
+import (
+	"io"
+	"sync"
+)
+
+// NewEncoder returns a new StreamEncoder.
+// It takes an io.Writer implementation to output data.
+// It initiates the done channel returned by Done().
+func (s stream) NewEncoder(w io.Writer) *StreamEncoder {
+	enc := BorrowEncoder(w)
+	return &StreamEncoder{Encoder: enc, nConsumer: 1, done: make(chan struct{}, 1), mux: &sync.RWMutex{}}
+}
+
+// BorrowEncoder borrows a StreamEncoder from the pool.
+// It takes an io.Writer implementation to output data.
+// It initiates the done channel returned by Done().
+//
+// If no StreamEncoder is available in the pool, it returns a fresh one
+func (s stream) BorrowEncoder(w io.Writer) *StreamEncoder {
+	streamEnc := streamEncPool.Get().(*StreamEncoder)
+	streamEnc.w = w
+	streamEnc.Encoder.err = nil
+	streamEnc.done = make(chan struct{}, 1)
+	streamEnc.Encoder.buf = streamEnc.buf[:0]
+	streamEnc.nConsumer = 1
+	streamEnc.isPooled = 0
+	return streamEnc
+}
+
+func (s stream) borrowEncoder(w io.Writer) *StreamEncoder {
+	streamEnc := streamEncPool.Get().(*StreamEncoder)
+	streamEnc.isPooled = 0
+	streamEnc.w = w
+	streamEnc.Encoder.err = nil
+	return streamEnc
+}