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