Initial QSfera import

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

@@ -0,0 +1,131 @@
+package kafka
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"time"
+
+	"github.com/segmentio/kafka-go/protocol/alterclientquotas"
+)
+
+// AlterClientQuotasRequest represents a request sent to a kafka broker to
+// alter client quotas.
+type AlterClientQuotasRequest struct {
+	// Address of the kafka broker to send the request to.
+	Addr net.Addr
+
+	// List of client quotas entries to alter.
+	Entries []AlterClientQuotaEntry
+
+	// Whether the alteration should be validated, but not performed.
+	ValidateOnly bool
+}
+
+type AlterClientQuotaEntry struct {
+	// The quota entities to alter.
+	Entities []AlterClientQuotaEntity
+
+	// An individual quota configuration entry to alter.
+	Ops []AlterClientQuotaOps
+}
+
+type AlterClientQuotaEntity struct {
+	// The quota entity type.
+	EntityType string
+
+	// The name of the quota entity, or null if the default.
+	EntityName string
+}
+
+type AlterClientQuotaOps struct {
+	// The quota configuration key.
+	Key string
+
+	// The quota configuration value to set, otherwise ignored if the value is to be removed.
+	Value float64
+
+	// Whether the quota configuration value should be removed, otherwise set.
+	Remove bool
+}
+
+type AlterClientQuotaResponseQuotas struct {
+	// Error is set to a non-nil value including the code and message if a top-level
+	// error was encountered when doing the update.
+	Error error
+
+	// The altered quota entities.
+	Entities []AlterClientQuotaEntity
+}
+
+// AlterClientQuotasResponse represents a response from a kafka broker to an alter client
+// quotas request.
+type AlterClientQuotasResponse struct {
+	// The amount of time that the broker throttled the request.
+	Throttle time.Duration
+
+	// List of altered client quotas responses.
+	Entries []AlterClientQuotaResponseQuotas
+}
+
+// AlterClientQuotas sends client quotas alteration request to a kafka broker and returns
+// the response.
+func (c *Client) AlterClientQuotas(ctx context.Context, req *AlterClientQuotasRequest) (*AlterClientQuotasResponse, error) {
+	entries := make([]alterclientquotas.Entry, len(req.Entries))
+
+	for entryIdx, entry := range req.Entries {
+		entities := make([]alterclientquotas.Entity, len(entry.Entities))
+		for entityIdx, entity := range entry.Entities {
+			entities[entityIdx] = alterclientquotas.Entity{
+				EntityType: entity.EntityType,
+				EntityName: entity.EntityName,
+			}
+		}
+
+		ops := make([]alterclientquotas.Ops, len(entry.Ops))
+		for opsIdx, op := range entry.Ops {
+			ops[opsIdx] = alterclientquotas.Ops{
+				Key:    op.Key,
+				Value:  op.Value,
+				Remove: op.Remove,
+			}
+		}
+
+		entries[entryIdx] = alterclientquotas.Entry{
+			Entities: entities,
+			Ops:      ops,
+		}
+	}
+
+	m, err := c.roundTrip(ctx, req.Addr, &alterclientquotas.Request{
+		Entries:      entries,
+		ValidateOnly: req.ValidateOnly,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("kafka.(*Client).AlterClientQuotas: %w", err)
+	}
+
+	res := m.(*alterclientquotas.Response)
+	responseEntries := make([]AlterClientQuotaResponseQuotas, len(res.Results))
+
+	for responseEntryIdx, responseEntry := range res.Results {
+		responseEntities := make([]AlterClientQuotaEntity, len(responseEntry.Entities))
+		for responseEntityIdx, responseEntity := range responseEntry.Entities {
+			responseEntities[responseEntityIdx] = AlterClientQuotaEntity{
+				EntityType: responseEntity.EntityType,
+				EntityName: responseEntity.EntityName,
+			}
+		}
+
+		responseEntries[responseEntryIdx] = AlterClientQuotaResponseQuotas{
+			Error:    makeError(responseEntry.ErrorCode, responseEntry.ErrorMessage),
+			Entities: responseEntities,
+		}
+	}
+	ret := &AlterClientQuotasResponse{
+		Throttle: makeDuration(res.ThrottleTimeMs),
+		Entries:  responseEntries,
+	}
+
+	return ret, nil
+}