From a60a18b080197cad836f18f9d093bba3bcb6cef8 Mon Sep 17 00:00:00 2001 From: zelig Date: Tue, 3 Mar 2015 00:43:12 +0700 Subject: [PATCH] - fix peer disconnect by adding severity function to errs - improve logging - suicide -> removeChain - improved status BlocksInPool calculation --- blockpool/blockpool.go | 45 +++++++++++++++++++++++++++++++++--------- blockpool/peers.go | 2 +- blockpool/section.go | 45 +++++++++++++++++------------------------- blockpool/status.go | 1 - 4 files changed, 55 insertions(+), 38 deletions(-) diff --git a/blockpool/blockpool.go b/blockpool/blockpool.go index 0126d734c..5da671ec2 100644 --- a/blockpool/blockpool.go +++ b/blockpool/blockpool.go @@ -149,6 +149,15 @@ func New( } } +func severity(code int) ethlogger.LogLevel { + switch code { + case ErrUnrequestedBlock: + return ethlogger.WarnLevel + default: + return ethlogger.ErrorLevel + } +} + // allows restart func (self *BlockPool) Start() { self.lock.Lock() @@ -169,6 +178,7 @@ func (self *BlockPool) Start() { errors: &errs.Errors{ Package: "Blockpool", Errors: errorToString, + Level: severity, }, peers: make(map[string]*peer), status: self.status, @@ -363,6 +373,8 @@ LOOP: // check if known block connecting the downloaded chain to our blockchain plog.DebugDetailf("AddBlockHashes: peer <%s> (head: %s) found block %s in the blockchain", peerId, hex(bestpeer.currentBlockHash), hex(hash)) if len(nodes) == 1 { + plog.DebugDetailf("AddBlockHashes: singleton section pushed to blockchain peer <%s> (head: %s) found block %s in the blockchain", peerId, hex(bestpeer.currentBlockHash), hex(hash)) + // create new section if needed and push it to the blockchain sec = self.newSection(nodes) sec.addSectionToBlockChain(bestpeer) @@ -379,6 +391,8 @@ LOOP: and td together with blockBy are recorded on the node */ if len(nodes) == 0 && child != nil { + plog.DebugDetailf("AddBlockHashes: child section [%s] pushed to blockchain peer <%s> (head: %s) found block %s in the blockchain", sectionhex(child), peerId, hex(bestpeer.currentBlockHash), hex(hash)) + child.addSectionToBlockChain(bestpeer) } } @@ -446,10 +460,12 @@ LOOP: */ sec = self.linkSections(nodes, parent, child) - self.status.lock.Lock() - self.status.values.BlockHashes += len(nodes) - self.status.lock.Unlock() - plog.DebugDetailf("AddBlockHashes: peer <%s> (head: %s): section [%s] created", peerId, hex(bestpeer.currentBlockHash), sectionhex(sec)) + if sec != nil { + self.status.lock.Lock() + self.status.values.BlockHashes += len(nodes) + self.status.lock.Unlock() + plog.DebugDetailf("AddBlockHashes: peer <%s> (head: %s): section [%s] created", peerId, hex(bestpeer.currentBlockHash), sectionhex(sec)) + } self.chainLock.Unlock() @@ -549,6 +565,7 @@ func (self *BlockPool) AddBlock(block *types.Block, peerId string) { self.status.lock.Unlock() } else { plog.DebugDetailf("AddBlock: head block %s for peer <%s> (head: %s) already known", hex(hash), peerId, hex(sender.currentBlockHash)) + sender.currentBlockC <- block } } else { @@ -644,11 +661,15 @@ LOOP: we need to relink both complete and incomplete sections the latter could have been blockHashesRequestsComplete before being delinked from its parent */ - if parent == nil && sec.bottom.block != nil { - if entry := self.get(sec.bottom.block.ParentHash()); entry != nil { - parent = entry.section - plog.DebugDetailf("activateChain: [%s]-[%s] relink", sectionhex(parent), sectionhex(sec)) - link(parent, sec) + if parent == nil { + if sec.bottom.block != nil { + if entry := self.get(sec.bottom.block.ParentHash()); entry != nil { + parent = entry.section + plog.DebugDetailf("activateChain: [%s]-[%s] link", sectionhex(parent), sectionhex(sec)) + link(parent, sec) + } + } else { + plog.DebugDetailf("activateChain: section [%s] activated by peer <%s> has missing root block", sectionhex(sec), p.id) } } sec = parent @@ -704,9 +725,15 @@ func (self *BlockPool) remove(sec *section) { // delete node entries from pool index under pool lock self.lock.Lock() defer self.lock.Unlock() + for _, node := range sec.nodes { delete(self.pool, string(node.hash)) } + if sec.initialised && sec.poolRootIndex != 0 { + self.status.lock.Lock() + self.status.values.BlocksInPool -= len(sec.nodes) - sec.missing + self.status.lock.Unlock() + } } func (self *BlockPool) getHashSlice() (s [][]byte) { diff --git a/blockpool/peers.go b/blockpool/peers.go index 5f1b2017c..576d6e41d 100644 --- a/blockpool/peers.go +++ b/blockpool/peers.go @@ -503,7 +503,7 @@ LOOP: // quitting on timeout case <-self.suicide: - self.peerError(self.bp.peers.errors.New(ErrInsufficientChainInfo, "timed out without providing block hashes or head block", currentBlockHash)) + self.peerError(self.bp.peers.errors.New(ErrInsufficientChainInfo, "timed out without providing block hashes or head block %x", currentBlockHash)) self.bp.status.lock.Lock() self.bp.status.badPeers[self.id]++ diff --git a/blockpool/section.go b/blockpool/section.go index 48ea15d31..03c4f5cc6 100644 --- a/blockpool/section.go +++ b/blockpool/section.go @@ -138,7 +138,7 @@ func (self *section) addSectionToBlockChain(p *peer) { plog.Warnf("penalise peers %v (hash), %v (block)", node.hashBy, node.blockBy) // or invalid block and the entire chain needs to be removed - self.removeInvalidChain() + self.removeChain() } else { // if all blocks inserted in this section // then need to try to insert blocks in child section @@ -235,16 +235,14 @@ LOOP: // timebomb - if section is not complete in time, nuke the entire chain case <-self.suicideTimer: - self.suicide() + self.removeChain() plog.Debugf("[%s] timeout. (%v total attempts): missing %v/%v/%v...suicide", sectionhex(self), self.blocksRequests, self.missing, self.lastMissing, self.depth) self.suicideTimer = nil + break LOOP // closing suicideC triggers section suicide: removes section nodes from pool and terminates section process case <-self.suicideC: - plog.DebugDetailf("[%s] suicide", sectionhex(self)) - self.unlink() - self.bp.remove(self) - plog.DebugDetailf("[%s] done", sectionhex(self)) + plog.DebugDetailf("[%s] quit", sectionhex(self)) break LOOP // alarm for checking blocks in the section @@ -283,7 +281,7 @@ LOOP: checking = false break } - plog.DebugDetailf("[%s] section proc step %v: missing %v/%v/%v", sectionhex(self), self.step, self.missing, self.lastMissing, self.depth) + // plog.DebugDetailf("[%s] section proc step %v: missing %v/%v/%v", sectionhex(self), self.step, self.missing, self.lastMissing, self.depth) if !checking { self.step = 0 self.missing = 0 @@ -522,7 +520,7 @@ func (self *section) checkRound() { // too many idle rounds if self.idle >= self.bp.Config.BlocksRequestMaxIdleRounds { plog.DebugDetailf("[%s] block requests had %v idle rounds (%v total attempts): missing %v/%v/%v\ngiving up...", sectionhex(self), self.idle, self.blocksRequests, self.missing, self.lastMissing, self.depth) - self.suicide() + self.removeChain() } } else { self.idle = 0 @@ -602,10 +600,12 @@ func (self *BlockPool) linkSections(nodes []*node, parent, child *section) (sec link(parent, sec) link(sec, child) } else { - // now this can only happen if we allow response to hash request to include hash - // in this case we just link parent and child (without needing root block of child section) - plog.Debugf("[%s]->[%s] connecting known sections", sectionhex(parent), sectionhex(child)) - link(parent, child) + if parent != nil && child != nil { + // now this can only happen if we allow response to hash request to include hash + // in this case we just link parent and child (without needing root block of child section) + plog.Debugf("[%s]->[%s] connecting known sections", sectionhex(parent), sectionhex(child)) + link(parent, child) + } } return } @@ -614,6 +614,7 @@ func (self *section) activate(p *peer) { self.bp.wg.Add(1) select { case <-self.offC: + plog.DebugDetailf("[%s] completed section process. cannot activate for peer <%s>", sectionhex(self), p.id) self.bp.wg.Done() case self.controlC <- p: plog.DebugDetailf("[%s] activate section process for peer <%s>", sectionhex(self), p.id) @@ -625,22 +626,10 @@ func (self *section) deactivate() { self.controlC <- nil } -func (self *section) suicide() { - select { - case <-self.suicideC: - return - default: - } - close(self.suicideC) -} - // removes this section exacly func (self *section) remove() { select { case <-self.offC: - // section is complete, no process - self.unlink() - self.bp.remove(self) close(self.suicideC) plog.DebugDetailf("[%s] remove: suicide", sectionhex(self)) case <-self.suicideC: @@ -649,21 +638,23 @@ func (self *section) remove() { plog.DebugDetailf("[%s] remove: suicide", sectionhex(self)) close(self.suicideC) } + self.unlink() + self.bp.remove(self) plog.DebugDetailf("[%s] removed section.", sectionhex(self)) } // remove a section and all its descendents from the pool -func (self *section) removeInvalidChain() { +func (self *section) removeChain() { // need to get the child before removeSection delinks the section self.bp.chainLock.RLock() child := self.child self.bp.chainLock.RUnlock() - plog.DebugDetailf("[%s] remove invalid chain", sectionhex(self)) + plog.DebugDetailf("[%s] remove chain", sectionhex(self)) self.remove() if child != nil { - child.removeInvalidChain() + child.removeChain() } } diff --git a/blockpool/status.go b/blockpool/status.go index 0dd874232..4529c77fe 100644 --- a/blockpool/status.go +++ b/blockpool/status.go @@ -51,7 +51,6 @@ type Status struct { func (self *BlockPool) Status() *Status { self.status.lock.Lock() defer self.status.lock.Unlock() - self.status.values.BlockHashesInPool = len(self.pool) self.status.values.ActivePeers = len(self.status.activePeers) self.status.values.BestPeers = len(self.status.bestPeers) self.status.values.BadPeers = len(self.status.badPeers)