Initial QSfera import

Server/vendor/github.com/segmentio/kafka-go/endtxn.go

@@ -0,0 +1,61 @@
+package kafka
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"time"
+
+	"github.com/segmentio/kafka-go/protocol/endtxn"
+)
+
+// EndTxnRequest represets a request sent to a kafka broker to end a transaction.
+type EndTxnRequest struct {
+	// Address of the kafka broker to send the request to.
+	Addr net.Addr
+
+	// The transactional id key.
+	TransactionalID string
+
+	// The Producer ID (PID) for the current producer session
+	ProducerID int
+
+	// The epoch associated with the current producer session for the given PID
+	ProducerEpoch int
+
+	// Committed should be set to true if the transaction was committed, false otherwise.
+	Committed bool
+}
+
+// EndTxnResponse represents a resposne from a kafka broker to an end transaction request.
+type EndTxnResponse struct {
+	// The amount of time that the broker throttled the request.
+	Throttle time.Duration
+
+	// Error is non-nil if an error occureda and contains the kafka error code.
+	// Programs may use the standard errors.Is function to test the error
+	// against kafka error codes.
+	Error error
+}
+
+// EndTxn sends an EndTxn request to a kafka broker and returns its response.
+func (c *Client) EndTxn(ctx context.Context, req *EndTxnRequest) (*EndTxnResponse, error) {
+	m, err := c.roundTrip(ctx, req.Addr, &endtxn.Request{
+		TransactionalID: req.TransactionalID,
+		ProducerID:      int64(req.ProducerID),
+		ProducerEpoch:   int16(req.ProducerEpoch),
+		Committed:       req.Committed,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("kafka.(*Client).EndTxn: %w", err)
+	}
+
+	r := m.(*endtxn.Response)
+
+	res := &EndTxnResponse{
+		Throttle: makeDuration(r.ThrottleTimeMs),
+		Error:    makeError(r.ErrorCode, ""),
+	}
+
+	return res, nil
+}