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/*
Copyright IBM Corp. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package integration
import (
"net"
"strconv"
"time"
"github.com/hyperledger/fabric/gossip/api"
"github.com/hyperledger/fabric/gossip/common"
"github.com/hyperledger/fabric/gossip/gossip"
"github.com/hyperledger/fabric/gossip/util"
"github.com/pkg/errors"
"github.com/spf13/viper"
"google.golang.org/grpc"
)
// This file is used to bootstrap a gossip instance and/or leader election service instance
func newConfig(selfEndpoint string, externalEndpoint string, certs *common.TLSCertificates, bootPeers ...string) (*gossip.Config, error) {
_, p, err := net.SplitHostPort(selfEndpoint)
if err != nil {
return nil, errors.Wrapf(err, "misconfigured endpoint %s", selfEndpoint)
}
port, err := strconv.ParseInt(p, 10, 64)
if err != nil {
return nil, errors.Wrapf(err, "misconfigured endpoint %s, failed to parse port number", selfEndpoint)
}
conf := &gossip.Config{
BindPort: int(port),
BootstrapPeers: bootPeers,
ID: selfEndpoint,
MaxBlockCountToStore: util.GetIntOrDefault("peer.gossip.maxBlockCountToStore", 100),
MaxPropagationBurstLatency: util.GetDurationOrDefault("peer.gossip.maxPropagationBurstLatency", 10*time.Millisecond),
MaxPropagationBurstSize: util.GetIntOrDefault("peer.gossip.maxPropagationBurstSize", 10),
PropagateIterations: util.GetIntOrDefault("peer.gossip.propagateIterations", 1),
PropagatePeerNum: util.GetIntOrDefault("peer.gossip.propagatePeerNum", 3),
PullInterval: util.GetDurationOrDefault("peer.gossip.pullInterval", 4*time.Second),
PullPeerNum: util.GetIntOrDefault("peer.gossip.pullPeerNum", 3),
InternalEndpoint: selfEndpoint,
ExternalEndpoint: externalEndpoint,
PublishCertPeriod: util.GetDurationOrDefault("peer.gossip.publishCertPeriod", 10*time.Second),
RequestStateInfoInterval: util.GetDurationOrDefault("peer.gossip.requestStateInfoInterval", 4*time.Second),
PublishStateInfoInterval: util.GetDurationOrDefault("peer.gossip.publishStateInfoInterval", 4*time.Second),
SkipBlockVerification: viper.GetBool("peer.gossip.skipBlockVerification"),
TLSCerts: certs,
}
return conf, nil
}
// NewGossipComponent creates a gossip component that attaches itself to the given gRPC server
func NewGossipComponent(peerIdentity []byte, endpoint string, s *grpc.Server,
secAdv api.SecurityAdvisor, cryptSvc api.MessageCryptoService,
secureDialOpts api.PeerSecureDialOpts, certs *common.TLSCertificates, bootPeers ...string) (gossip.Gossip, error) {
externalEndpoint := viper.GetString("peer.gossip.externalEndpoint")
conf, err := newConfig(endpoint, externalEndpoint, certs, bootPeers...)
if err != nil {
return nil, errors.WithStack(err)
}
gossipInstance := gossip.NewGossipService(conf, s, secAdv, cryptSvc,
peerIdentity, secureDialOpts)
return gossipInstance, nil
}
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