mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-12-05 03:29:03 +08:00
117 lines
3.3 KiB
Go
117 lines
3.3 KiB
Go
package broker
|
|
|
|
import (
|
|
"time"
|
|
|
|
"github.com/seaweedfs/seaweedfs/weed/cluster"
|
|
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
|
|
"github.com/seaweedfs/seaweedfs/weed/wdclient"
|
|
"google.golang.org/grpc"
|
|
|
|
"github.com/seaweedfs/seaweedfs/weed/pb"
|
|
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
|
|
"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
|
|
)
|
|
|
|
type MessageQueueBrokerOption struct {
|
|
Masters map[string]pb.ServerAddress
|
|
FilerGroup string
|
|
DataCenter string
|
|
Rack string
|
|
DefaultReplication string
|
|
MaxMB int
|
|
Ip string
|
|
Port int
|
|
Cipher bool
|
|
}
|
|
|
|
type MessageQueueBroker struct {
|
|
mq_pb.UnimplementedSeaweedMessagingServer
|
|
option *MessageQueueBrokerOption
|
|
grpcDialOption grpc.DialOption
|
|
MasterClient *wdclient.MasterClient
|
|
filers map[pb.ServerAddress]struct{}
|
|
currentFiler pb.ServerAddress
|
|
}
|
|
|
|
func NewMessageBroker(option *MessageQueueBrokerOption, grpcDialOption grpc.DialOption) (mqBroker *MessageQueueBroker, err error) {
|
|
|
|
mqBroker = &MessageQueueBroker{
|
|
option: option,
|
|
grpcDialOption: grpcDialOption,
|
|
MasterClient: wdclient.NewMasterClient(grpcDialOption, option.FilerGroup, cluster.BrokerType, pb.NewServerAddress(option.Ip, option.Port, 0), option.DataCenter, option.Rack, option.Masters),
|
|
filers: make(map[pb.ServerAddress]struct{}),
|
|
}
|
|
mqBroker.MasterClient.SetOnPeerUpdateFn(mqBroker.OnBrokerUpdate)
|
|
|
|
go mqBroker.MasterClient.KeepConnectedToMaster()
|
|
|
|
existingNodes := cluster.ListExistingPeerUpdates(mqBroker.MasterClient.GetMaster(), grpcDialOption, option.FilerGroup, cluster.FilerType)
|
|
for _, newNode := range existingNodes {
|
|
mqBroker.OnBrokerUpdate(newNode, time.Now())
|
|
}
|
|
|
|
return mqBroker, nil
|
|
}
|
|
|
|
func (broker *MessageQueueBroker) OnBrokerUpdate(update *master_pb.ClusterNodeUpdate, startFrom time.Time) {
|
|
if update.NodeType != cluster.FilerType {
|
|
return
|
|
}
|
|
|
|
address := pb.ServerAddress(update.Address)
|
|
if update.IsAdd {
|
|
broker.filers[address] = struct{}{}
|
|
if broker.currentFiler == "" {
|
|
broker.currentFiler = address
|
|
}
|
|
} else {
|
|
delete(broker.filers, address)
|
|
if broker.currentFiler == address {
|
|
for filer := range broker.filers {
|
|
broker.currentFiler = filer
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
func (broker *MessageQueueBroker) GetFiler() pb.ServerAddress {
|
|
return broker.currentFiler
|
|
}
|
|
|
|
func (broker *MessageQueueBroker) WithFilerClient(streamingMode bool, fn func(filer_pb.SeaweedFilerClient) error) error {
|
|
|
|
return pb.WithFilerClient(streamingMode, broker.GetFiler(), broker.grpcDialOption, fn)
|
|
|
|
}
|
|
|
|
func (broker *MessageQueueBroker) AdjustedUrl(location *filer_pb.Location) string {
|
|
|
|
return location.Url
|
|
|
|
}
|
|
|
|
func (broker *MessageQueueBroker) GetDataCenter() string {
|
|
|
|
return ""
|
|
|
|
}
|
|
|
|
func (broker *MessageQueueBroker) withMasterClient(streamingMode bool, master pb.ServerAddress, fn func(client master_pb.SeaweedClient) error) error {
|
|
|
|
return pb.WithMasterClient(streamingMode, master, broker.grpcDialOption, false, func(client master_pb.SeaweedClient) error {
|
|
return fn(client)
|
|
})
|
|
|
|
}
|
|
|
|
func (broker *MessageQueueBroker) withBrokerClient(streamingMode bool, server pb.ServerAddress, fn func(client mq_pb.SeaweedMessagingClient) error) error {
|
|
|
|
return pb.WithBrokerClient(streamingMode, server, broker.grpcDialOption, func(client mq_pb.SeaweedMessagingClient) error {
|
|
return fn(client)
|
|
})
|
|
|
|
}
|