/
peerOrigin.go
65 lines (62 loc) · 1.5 KB
/
peerOrigin.go
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package DAG
import (
"encoding/json"
"github.com/EternallyAscend/GoToolkits/pkg/network/udp"
"log"
)
func StartOrigin() {
peer, err := GeneratePeer(DefaultPort, DefaultTcpPort)
if nil != err {
log.Println("Origin peer start failed,", err)
return
}
// TODO Judge Genesis Block.
// If genesis block is existed this process will read and continue, otherwise create.
go OriginListenUdp4(peer)
peer.listenTcp()
}
func OriginListenUdp4(peer *Peer) {
go udp.ListenViaUdp4(func(data []byte) {
p := UnpackPackage(data)
if nil == p {
return
}
switch p.Type {
case UdpMethodRefresh:
peerInfo := UnpackPeerInfo(p.Message)
if nil == peerInfo {
return
} else {
// Send back Neighbor.
d, errIn := json.Marshal(peer.Router.Neighbor)
if nil != errIn {
log.Println("Method join send neighbor back failed,", errIn)
return
}
pack, errIn := json.Marshal(Package{
Type: UdpMethodReceive,
Message: d,
})
go peerInfo.UdpSendToPeer(pack)
// Add Neighbor.
//peer.Router.Neighbor = append(peer.Router.Neighbor, peerInfo)
peer.addNeighbor(peerInfo)
//for _, v := range peer.Router.Neighbor {
// log.Println(v)
//}
log.Println(peerInfo, "ask for blockchain network.")
}
break
case UdpMethodExit:
neighbor := UnpackPeerInfo(p.Message)
if nil == neighbor {
break
}
delete(peer.Router.Neighbor, neighbor.HashString())
log.Println(neighbor, "exit blockchain network.")
break
default:
break
}
}, DefaultPort)
}