downloader: added demotion / promotion in prep. for rep. system
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parent
eda10c7317
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205378016f
@ -245,6 +245,7 @@ out:
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for {
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select {
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case blockPack := <-d.blockCh:
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d.peers[blockPack.peerId].promote()
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d.queue.deliver(blockPack.peerId, blockPack.blocks)
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d.peers.setState(blockPack.peerId, idleState)
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case <-ticker.C:
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@ -310,6 +311,9 @@ out:
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// 2) Measure their speed;
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// 3) Amount and availability.
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d.queue.deliver(pid, nil)
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if peer := p.peers[pid]; peer != nil {
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peer.demote()
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}
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}
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}
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@ -343,6 +347,7 @@ func (d *Downloader) AddBlock(id string, block *types.Block, td *big.Int) {
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peer.td = td
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peer.recentHash = block.Hash()
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peer.mu.Unlock()
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peer.promote()
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glog.V(logger.Detail).Infoln("Inserting new block from:", id)
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d.queue.addBlock(id, block, td)
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@ -95,3 +95,23 @@ func (p *peer) fetch(chunk *chunk) error {
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return nil
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}
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// promote increases the peer's reputation
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func (p *peer) promote() {
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p.mu.Lock()
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defer p.mu.Unlock()
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p.rep++
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}
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// demote decreases the peer's reputation or leaves it at 0
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func (p *peer) demote() {
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p.mu.Lock()
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defer p.mu.Unlock()
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if p.rep > 1 {
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p.rep -= 2
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} else {
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p.rep = 0
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}
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}
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