mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-01-19 02:48:24 +00:00
80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
package weed_server
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import (
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"net"
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"strings"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/pb"
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"github.com/chrislusf/seaweedfs/weed/storage"
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"github.com/chrislusf/seaweedfs/weed/topology"
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"google.golang.org/grpc/peer"
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)
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func (ms MasterServer) SendHeartbeat(stream pb.Seaweed_SendHeartbeatServer) error {
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var dn *topology.DataNode
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t := ms.Topo
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for {
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heartbeat, err := stream.Recv()
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if err == nil {
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if dn == nil {
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t.Sequence.SetMax(heartbeat.MaxFileKey)
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if heartbeat.Ip == "" {
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if pr, ok := peer.FromContext(stream.Context()); ok {
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if pr.Addr != net.Addr(nil) {
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heartbeat.Ip = pr.Addr.String()[0:strings.LastIndex(pr.Addr.String(), ":")]
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glog.V(0).Infof("remote IP address is detected as %v", heartbeat.Ip)
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}
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}
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}
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dcName, rackName := t.Configuration.Locate(heartbeat.Ip, heartbeat.DataCenter, heartbeat.Rack)
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dc := t.GetOrCreateDataCenter(dcName)
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rack := dc.GetOrCreateRack(rackName)
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dn = rack.GetOrCreateDataNode(heartbeat.Ip,
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int(heartbeat.Port), heartbeat.PublicUrl,
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int(heartbeat.MaxVolumeCount))
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glog.V(0).Infof("added volume server %v:%d", heartbeat.GetIp(), heartbeat.GetPort())
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if err := stream.Send(&pb.HeartbeatResponse{
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VolumeSizeLimit: uint64(ms.volumeSizeLimitMB) * 1024 * 1024,
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SecretKey: string(ms.guard.SecretKey),
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}); err != nil {
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return err
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}
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}
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var volumeInfos []storage.VolumeInfo
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for _, v := range heartbeat.Volumes {
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if vi, err := storage.NewVolumeInfo(v); err == nil {
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volumeInfos = append(volumeInfos, vi)
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} else {
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glog.V(0).Infof("Fail to convert joined volume information: %v", err)
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}
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}
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deletedVolumes := dn.UpdateVolumes(volumeInfos)
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for _, v := range volumeInfos {
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t.RegisterVolumeLayout(v, dn)
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}
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for _, v := range deletedVolumes {
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t.UnRegisterVolumeLayout(v, dn)
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}
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} else {
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if dn != nil {
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glog.V(0).Infof("lost volume server %s:%d", dn.Ip, dn.Port)
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t.UnRegisterDataNode(dn)
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}
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return err
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}
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// tell the volume servers about the leader
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newLeader, err := t.Leader()
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if err == nil {
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if err := stream.Send(&pb.HeartbeatResponse{
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Leader: newLeader,
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}); err != nil {
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return err
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}
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}
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}
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}
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