Initial QSfera import

Server/vendor/github.com/segmentio/kafka-go/protocol/incrementalalterconfigs/incrementalalterconfigs.go

@@ -0,0 +1,79 @@
+package incrementalalterconfigs
+
+import (
+	"errors"
+	"strconv"
+
+	"github.com/segmentio/kafka-go/protocol"
+)
+
+const (
+	resourceTypeBroker int8 = 4
+)
+
+func init() {
+	protocol.Register(&Request{}, &Response{})
+}
+
+// Detailed API definition: https://kafka.apache.org/protocol#The_Messages_IncrementalAlterConfigs
+type Request struct {
+	Resources    []RequestResource `kafka:"min=v0,max=v0"`
+	ValidateOnly bool              `kafka:"min=v0,max=v0"`
+}
+
+type RequestResource struct {
+	ResourceType int8            `kafka:"min=v0,max=v0"`
+	ResourceName string          `kafka:"min=v0,max=v0"`
+	Configs      []RequestConfig `kafka:"min=v0,max=v0"`
+}
+
+type RequestConfig struct {
+	Name            string `kafka:"min=v0,max=v0"`
+	ConfigOperation int8   `kafka:"min=v0,max=v0"`
+	Value           string `kafka:"min=v0,max=v0,nullable"`
+}
+
+func (r *Request) ApiKey() protocol.ApiKey { return protocol.IncrementalAlterConfigs }
+
+func (r *Request) Broker(cluster protocol.Cluster) (protocol.Broker, error) {
+	// Check that at most only one broker is being updated.
+	//
+	// TODO: Support updating multiple brokers in a single request.
+	brokers := map[string]struct{}{}
+	for _, resource := range r.Resources {
+		if resource.ResourceType == resourceTypeBroker {
+			brokers[resource.ResourceName] = struct{}{}
+		}
+	}
+	if len(brokers) > 1 {
+		return protocol.Broker{},
+			errors.New("Updating more than one broker in a single request is not supported yet")
+	}
+
+	for _, resource := range r.Resources {
+		if resource.ResourceType == resourceTypeBroker {
+			brokerID, err := strconv.Atoi(resource.ResourceName)
+			if err != nil {
+				return protocol.Broker{}, err
+			}
+
+			return cluster.Brokers[int32(brokerID)], nil
+		}
+	}
+
+	return cluster.Brokers[cluster.Controller], nil
+}
+
+type Response struct {
+	ThrottleTimeMs int32                   `kafka:"min=v0,max=v0"`
+	Responses      []ResponseAlterResponse `kafka:"min=v0,max=v0"`
+}
+
+type ResponseAlterResponse struct {
+	ErrorCode    int16  `kafka:"min=v0,max=v0"`
+	ErrorMessage string `kafka:"min=v0,max=v0,nullable"`
+	ResourceType int8   `kafka:"min=v0,max=v0"`
+	ResourceName string `kafka:"min=v0,max=v0"`
+}
+
+func (r *Response) ApiKey() protocol.ApiKey { return protocol.IncrementalAlterConfigs }