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50 lines
1.7 KiB
50 lines
1.7 KiB
package broker
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import (
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"context"
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"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
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)
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// FindTopicBrokers returns the brokers that are serving the topic
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//
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// 1. lock the topic
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//
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// 2. find the topic partitions on the filer
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// 2.1 if the topic is not found, return error
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// 2.2 if the request is_for_publish, create the topic
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// 2.2.1 if the request is_for_subscribe, return error not found
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// 2.2.2 if the request is_for_publish, create the topic
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// 2.2 if the topic is found, return the brokers
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//
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// 3. unlock the topic
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func (broker *MessageQueueBroker) LookupTopicBrokers(ctx context.Context, request *mq_pb.LookupTopicBrokersRequest) (*mq_pb.LookupTopicBrokersResponse, error) {
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ret := &mq_pb.LookupTopicBrokersResponse{}
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// TODO lock the topic
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// find the topic partitions on the filer
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// if the topic is not found
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// if the request is_for_publish
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// create the topic
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// if the request is_for_subscribe
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// return error not found
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// t := topic.FromPbTopic(request.Topic)
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ret.Topic = request.Topic
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ret.BrokerPartitionAssignments = []*mq_pb.BrokerPartitionAssignment{
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{
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LeaderBroker: "localhost:17777",
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FollowerBrokers: []string{"localhost:17777"},
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Partition: &mq_pb.Partition{
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RingSize: MaxPartitionCount,
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RangeStart: 0,
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RangeStop: MaxPartitionCount,
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},
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},
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}
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return ret, nil
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}
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// CheckTopicPartitionsStatus check the topic partitions on the broker
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func (broker *MessageQueueBroker) CheckTopicPartitionsStatus(c context.Context, request *mq_pb.CheckTopicPartitionsStatusRequest) (*mq_pb.CheckTopicPartitionsStatusResponse, error) {
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ret := &mq_pb.CheckTopicPartitionsStatusResponse{}
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return ret, nil
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}
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