mirror of
https://github.com/openimsdk/open-im-server.git
synced 2025-10-31 16:32:12 +08:00
93 lines
2.6 KiB
Go
93 lines
2.6 KiB
Go
// Copyright © 2023 OpenIM. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package zookeeper
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import (
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"context"
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"strings"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/common/log"
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"google.golang.org/grpc/resolver"
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)
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type Resolver struct {
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target resolver.Target
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cc resolver.ClientConn
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addrs []resolver.Address
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getConnsRemote func(serviceName string) (conns []resolver.Address, err error)
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}
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func (r *Resolver) ResolveNowZK(o resolver.ResolveNowOptions) {
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log.ZDebug(
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context.Background(),
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"start resolve now",
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"target",
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r.target,
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"cc",
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r.cc.UpdateState,
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"serviceName",
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strings.TrimLeft(r.target.URL.Path, "/"),
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)
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newConns, err := r.getConnsRemote(strings.TrimLeft(r.target.URL.Path, "/"))
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if err != nil {
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log.ZError(context.Background(), "resolve now error", err, "target", r.target)
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return
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}
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r.addrs = newConns
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if err := r.cc.UpdateState(resolver.State{Addresses: newConns}); err != nil {
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log.ZError(
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context.Background(),
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"UpdateState error, conns is nil from svr",
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err,
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"conns",
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newConns,
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"zk path",
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r.target.URL.Path,
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)
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return
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}
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log.ZDebug(context.Background(), "resolve now finished", "target", r.target, "conns", r.addrs)
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}
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func (r *Resolver) ResolveNow(o resolver.ResolveNowOptions) {}
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func (s *Resolver) Close() {}
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func (s *ZkClient) Build(
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target resolver.Target,
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cc resolver.ClientConn,
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opts resolver.BuildOptions,
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) (resolver.Resolver, error) {
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s.logger.Printf("build resolver: %+v, cc: %+v", target, cc.UpdateState)
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// log.ZDebug(context.Background(), "build resolver start", "target", target, "cc", cc.UpdateState)
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r := &Resolver{}
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r.target = target
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r.cc = cc
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r.getConnsRemote = s.GetConnsRemote
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r.ResolveNowZK(resolver.ResolveNowOptions{})
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s.lock.Lock()
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defer s.lock.Unlock()
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serviceName := strings.TrimLeft(target.URL.Path, "/")
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s.resolvers[serviceName] = r
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s.logger.Printf("build resolver finished: %+v, cc: %+v, key: %s", target, cc.UpdateState, serviceName)
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// log.ZDebug(context.Background(), "build resolver finished", "target", target, "cc", cc.UpdateState,
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// "serviceName", serviceName)
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return r, nil
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}
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func (s *ZkClient) Scheme() string { return s.scheme }
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