Initial QSfera import

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

@@ -0,0 +1,135 @@
+package kafka
+
+import (
+	"context"
+	"net"
+	"time"
+
+	"github.com/segmentio/kafka-go/protocol/listpartitionreassignments"
+)
+
+// ListPartitionReassignmentsRequest is a request to the ListPartitionReassignments API.
+type ListPartitionReassignmentsRequest struct {
+	// Address of the kafka broker to send the request to.
+	Addr net.Addr
+
+	// Topics we want reassignments for, mapped by their name, or nil to list everything.
+	Topics map[string]ListPartitionReassignmentsRequestTopic
+
+	// Timeout is the amount of time to wait for the request to complete.
+	Timeout time.Duration
+}
+
+// ListPartitionReassignmentsRequestTopic contains the requested partitions for a single
+// topic.
+type ListPartitionReassignmentsRequestTopic struct {
+	// The partitions to list partition reassignments for.
+	PartitionIndexes []int
+}
+
+// ListPartitionReassignmentsResponse is a response from the ListPartitionReassignments API.
+type ListPartitionReassignmentsResponse struct {
+	// Error is set to a non-nil value including the code and message if a top-level
+	// error was encountered.
+	Error error
+
+	// Topics contains results for each topic, mapped by their name.
+	Topics map[string]ListPartitionReassignmentsResponseTopic
+}
+
+// ListPartitionReassignmentsResponseTopic contains the detailed result of
+// ongoing reassignments for a topic.
+type ListPartitionReassignmentsResponseTopic struct {
+	// Partitions contains result for topic partitions.
+	Partitions []ListPartitionReassignmentsResponsePartition
+}
+
+// ListPartitionReassignmentsResponsePartition contains the detailed result of
+// ongoing reassignments for a single partition.
+type ListPartitionReassignmentsResponsePartition struct {
+	// PartitionIndex contains index of the partition.
+	PartitionIndex int
+
+	// Replicas contains the current replica set.
+	Replicas []int
+
+	// AddingReplicas contains the set of replicas we are currently adding.
+	AddingReplicas []int
+
+	// RemovingReplicas contains the set of replicas we are currently removing.
+	RemovingReplicas []int
+}
+
+func (c *Client) ListPartitionReassignments(
+	ctx context.Context,
+	req *ListPartitionReassignmentsRequest,
+) (*ListPartitionReassignmentsResponse, error) {
+	apiReq := &listpartitionreassignments.Request{
+		TimeoutMs: int32(req.Timeout.Milliseconds()),
+	}
+
+	for topicName, topicReq := range req.Topics {
+		apiReq.Topics = append(
+			apiReq.Topics,
+			listpartitionreassignments.RequestTopic{
+				Name:             topicName,
+				PartitionIndexes: intToInt32Array(topicReq.PartitionIndexes),
+			},
+		)
+	}
+
+	protoResp, err := c.roundTrip(
+		ctx,
+		req.Addr,
+		apiReq,
+	)
+	if err != nil {
+		return nil, err
+	}
+	apiResp := protoResp.(*listpartitionreassignments.Response)
+
+	resp := &ListPartitionReassignmentsResponse{
+		Error:  makeError(apiResp.ErrorCode, apiResp.ErrorMessage),
+		Topics: make(map[string]ListPartitionReassignmentsResponseTopic),
+	}
+
+	for _, topicResult := range apiResp.Topics {
+		respTopic := ListPartitionReassignmentsResponseTopic{}
+		for _, partitionResult := range topicResult.Partitions {
+			respTopic.Partitions = append(
+				respTopic.Partitions,
+				ListPartitionReassignmentsResponsePartition{
+					PartitionIndex:   int(partitionResult.PartitionIndex),
+					Replicas:         int32ToIntArray(partitionResult.Replicas),
+					AddingReplicas:   int32ToIntArray(partitionResult.AddingReplicas),
+					RemovingReplicas: int32ToIntArray(partitionResult.RemovingReplicas),
+				},
+			)
+		}
+		resp.Topics[topicResult.Name] = respTopic
+	}
+
+	return resp, nil
+}
+
+func intToInt32Array(arr []int) []int32 {
+	if arr == nil {
+		return nil
+	}
+	res := make([]int32, len(arr))
+	for i := range arr {
+		res[i] = int32(arr[i])
+	}
+	return res
+}
+
+func int32ToIntArray(arr []int32) []int {
+	if arr == nil {
+		return nil
+	}
+	res := make([]int, len(arr))
+	for i := range arr {
+		res[i] = int(arr[i])
+	}
+	return res
+}