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- // Copyright 2021 The go-ethereum Authors
- // This file is part of the go-ethereum library.
- //
- // The go-ethereum library is free software: you can redistribute it and/or modify
- // it under the terms of the GNU Lesser General Public License as published by
- // the Free Software Foundation, either version 3 of the License, or
- // (at your option) any later version.
- //
- // The go-ethereum library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU Lesser General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public License
- // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
- package server
- import (
- "reflect"
- "github.com/ethereum/go-ethereum/p2p/nodestate"
- )
- type peerWrapper struct{ clientPeer } // the NodeStateMachine type system needs this wrapper
- // serverSetup is a wrapper of the node state machine setup, which contains
- // all the created flags and fields used in the vflux server side.
- type serverSetup struct {
- setup *nodestate.Setup
- clientField nodestate.Field // Field contains the client peer handler
- // Flags and fields controlled by balance tracker. BalanceTracker
- // is responsible for setting/deleting these flags or fields.
- priorityFlag nodestate.Flags // Flag is set if the node has a positive balance
- updateFlag nodestate.Flags // Flag is set whenever the node balance is changed(priority changed)
- balanceField nodestate.Field // Field contains the client balance for priority calculation
- // Flags and fields controlled by priority queue. Priority queue
- // is responsible for setting/deleting these flags or fields.
- activeFlag nodestate.Flags // Flag is set if the node is active
- inactiveFlag nodestate.Flags // Flag is set if the node is inactive
- capacityField nodestate.Field // Field contains the capacity of the node
- queueField nodestate.Field // Field contains the infomration in the priority queue
- }
- // newServerSetup initializes the setup for state machine and returns the flags/fields group.
- func newServerSetup() *serverSetup {
- setup := &serverSetup{setup: &nodestate.Setup{}}
- setup.clientField = setup.setup.NewField("client", reflect.TypeOf(peerWrapper{}))
- setup.priorityFlag = setup.setup.NewFlag("priority")
- setup.updateFlag = setup.setup.NewFlag("update")
- setup.balanceField = setup.setup.NewField("balance", reflect.TypeOf(&nodeBalance{}))
- setup.activeFlag = setup.setup.NewFlag("active")
- setup.inactiveFlag = setup.setup.NewFlag("inactive")
- setup.capacityField = setup.setup.NewField("capacity", reflect.TypeOf(uint64(0)))
- setup.queueField = setup.setup.NewField("queue", reflect.TypeOf(&ppNodeInfo{}))
- return setup
- }
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