erigon-pulse/erigon-lib/direct/sentinel_client.go
2024-01-07 12:03:17 -06:00

123 lines
3.9 KiB
Go

/*
Copyright 2021 Erigon contributors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package direct
import (
"context"
"io"
"github.com/ledgerwatch/erigon-lib/diagnostics"
"github.com/ledgerwatch/erigon-lib/gointerfaces/sentinel"
"google.golang.org/grpc"
)
type SentinelClientDirect struct {
server sentinel.SentinelServer
}
func NewSentinelClientDirect(sentinel sentinel.SentinelServer) sentinel.SentinelClient {
return &SentinelClientDirect{server: sentinel}
}
func (s *SentinelClientDirect) SendRequest(ctx context.Context, in *sentinel.RequestData, opts ...grpc.CallOption) (*sentinel.ResponseData, error) {
return s.server.SendRequest(ctx, in)
}
func (s *SentinelClientDirect) SetStatus(ctx context.Context, in *sentinel.Status, opts ...grpc.CallOption) (*sentinel.EmptyMessage, error) {
return s.server.SetStatus(ctx, in)
}
func (s *SentinelClientDirect) GetPeers(ctx context.Context, in *sentinel.EmptyMessage, opts ...grpc.CallOption) (*sentinel.PeerCount, error) {
return s.server.GetPeers(ctx, in)
}
func (s *SentinelClientDirect) BanPeer(ctx context.Context, p *sentinel.Peer, opts ...grpc.CallOption) (*sentinel.EmptyMessage, error) {
return s.server.BanPeer(ctx, p)
}
func (s *SentinelClientDirect) UnbanPeer(ctx context.Context, p *sentinel.Peer, opts ...grpc.CallOption) (*sentinel.EmptyMessage, error) {
return s.server.UnbanPeer(ctx, p)
}
func (s *SentinelClientDirect) RewardPeer(ctx context.Context, p *sentinel.Peer, opts ...grpc.CallOption) (*sentinel.EmptyMessage, error) {
return s.server.RewardPeer(ctx, p)
}
func (s *SentinelClientDirect) PenalizePeer(ctx context.Context, p *sentinel.Peer, opts ...grpc.CallOption) (*sentinel.EmptyMessage, error) {
return s.server.PenalizePeer(ctx, p)
}
func (s *SentinelClientDirect) PublishGossip(ctx context.Context, in *sentinel.GossipData, opts ...grpc.CallOption) (*sentinel.EmptyMessage, error) {
return s.server.PublishGossip(ctx, in)
}
// Subscribe gossip part. the only complex section of this bullshit
func (s *SentinelClientDirect) SubscribeGossip(ctx context.Context, in *sentinel.SubscriptionData, opts ...grpc.CallOption) (sentinel.Sentinel_SubscribeGossipClient, error) {
ch := make(chan *gossipReply, 16384)
streamServer := &SentinelSubscribeGossipS{ch: ch, ctx: ctx}
go func() {
defer close(ch)
streamServer.Err(s.server.SubscribeGossip(in, streamServer))
}()
return &SentinelSubscribeGossipC{ch: ch, ctx: ctx}, nil
}
type SentinelSubscribeGossipC struct {
ch chan *gossipReply
ctx context.Context
grpc.ClientStream
}
func (c *SentinelSubscribeGossipC) Recv() (*sentinel.GossipData, error) {
m, ok := <-c.ch
if !ok || m == nil {
return nil, io.EOF
}
return m.r, m.err
}
func (c *SentinelSubscribeGossipC) Context() context.Context { return c.ctx }
type SentinelSubscribeGossipS struct {
ch chan *gossipReply
ctx context.Context
grpc.ServerStream
}
type gossipReply struct {
r *sentinel.GossipData
err error
}
func (s *SentinelSubscribeGossipS) Send(m *sentinel.GossipData) error {
s.ch <- &gossipReply{r: m}
return nil
}
func (s *SentinelSubscribeGossipS) Context() context.Context { return s.ctx }
func (s *SentinelSubscribeGossipS) Err(err error) {
if err == nil {
return
}
s.ch <- &gossipReply{err: err}
}
func (s *SentinelClientDirect) GetPeersStatistics() map[string]*diagnostics.PeerStatistics {
if diag, ok := s.server.(diagnostics.PeerStatisticsGetter); ok {
return diag.GetPeersStatistics()
}
return map[string]*diagnostics.PeerStatistics{}
}