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34 lines
899 B
34 lines
899 B
package pub_client
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import (
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"fmt"
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"github.com/seaweedfs/seaweedfs/weed/mq/broker"
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"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
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"github.com/seaweedfs/seaweedfs/weed/util"
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)
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func (p *TopicPublisher) Publish(key, value []byte) error {
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hashKey := util.HashToInt32(key) % broker.MaxPartitionCount
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if hashKey < 0 {
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hashKey = -hashKey
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}
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brokerAddress, found := p.partition2Broker.Floor(hashKey, hashKey)
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if !found {
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return fmt.Errorf("no broker found for key %d", hashKey)
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}
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publishClient, found := p.broker2PublishClient.Get(brokerAddress)
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if !found {
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return fmt.Errorf("no publish client found for broker %s", brokerAddress)
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}
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if err := publishClient.Send(&mq_pb.PublishRequest{
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Message: &mq_pb.PublishRequest_Data{
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Data: &mq_pb.DataMessage{
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Key: key,
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Value: value,
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},
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},
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}); err != nil {
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return fmt.Errorf("send publish request: %v", err)
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}
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return nil
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}
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