diff options
Diffstat (limited to 'blockpool/peers.go')
| -rw-r--r-- | blockpool/peers.go | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/blockpool/peers.go b/blockpool/peers.go index d95c348a8..7e6d281bb 100644 --- a/blockpool/peers.go +++ b/blockpool/peers.go @@ -114,10 +114,8 @@ func (self *peers) addToBlacklist(id string) { self.blacklist[id] = time.Now() } -// suspended checks if peer is still suspended +// suspended checks if peer is still suspended, caller should hold peers.lock func (self *peers) suspended(id string) (s bool) { - self.lock.Lock() - defer self.lock.Unlock() if suspendedAt, ok := self.blacklist[id]; ok { if s = suspendedAt.Add(self.bp.Config.PeerSuspensionInterval).After(time.Now()); !s { // no longer suspended, delete entry @@ -205,13 +203,14 @@ func (self *peers) addPeer( peerError func(*errs.Error), ) (best bool, suspended bool) { + self.lock.Lock() + defer self.lock.Unlock() + var previousBlockHash common.Hash if self.suspended(id) { suspended = true return } - self.lock.Lock() - defer self.lock.Unlock() p, found := self.peers[id] if found { // when called on an already connected peer, it means a newBlockMsg is received @@ -255,7 +254,7 @@ func (self *peers) addPeer( p.headSectionC <- nil if entry := self.bp.get(previousBlockHash); entry != nil { plog.DebugDetailf("addPeer: <%s> previous head : %v found in pool, activate", id, hex(previousBlockHash)) - self.bp.activateChain(entry.section, p, nil) + self.bp.activateChain(entry.section, p, p.switchC, nil) p.sections = append(p.sections, previousBlockHash) } } @@ -265,8 +264,8 @@ func (self *peers) addPeer( currentTD := self.bp.getTD() bestpeer := self.best if bestpeer != nil { - bestpeer.lock.Lock() - defer bestpeer.lock.Unlock() + bestpeer.lock.RLock() + defer bestpeer.lock.RUnlock() currentTD = self.best.td } if td.Cmp(currentTD) > 0 { @@ -362,14 +361,14 @@ func (self *BlockPool) switchPeer(oldp, newp *peer) { if connected[hash] == nil { // if not deleted, then reread from pool (it can be orphaned top half of a split section) if entry := self.get(hash); entry != nil { - self.activateChain(entry.section, newp, connected) + self.activateChain(entry.section, newp, newp.switchC, connected) connected[hash] = entry.section sections = append(sections, hash) } } } plog.DebugDetailf("<%s> section processes (%v non-contiguous sequences, was %v before)", newp.id, len(sections), len(newp.sections)) - // need to lock now that newp is exposed to section processes + // need to lock now that newp is exposed to section processesr newp.lock.Lock() newp.sections = sections newp.lock.Unlock() @@ -457,6 +456,8 @@ func (self *peer) getCurrentBlock(currentBlock *types.Block) { } func (self *peer) getBlockHashes() bool { + self.lock.Lock() + defer self.lock.Unlock() //if connecting parent is found if self.bp.hasBlock(self.parentHash) { plog.DebugDetailf("HeadSection: <%s> parent block %s found in blockchain", self.id, hex(self.parentHash)) @@ -470,10 +471,10 @@ func (self *peer) getBlockHashes() bool { self.bp.status.badPeers[self.id]++ } else { // XXX added currentBlock check (?) - if self.currentBlock != nil && self.currentBlock.Td != nil { + if self.currentBlock != nil && self.currentBlock.Td != nil && !self.currentBlock.Queued() { if self.td.Cmp(self.currentBlock.Td) != 0 { - //self.addError(ErrIncorrectTD, "on block %x", self.currentBlockHash) - //self.bp.status.badPeers[self.id]++ + // self.addError(ErrIncorrectTD, "on block %x", self.currentBlockHash) + // self.bp.status.badPeers[self.id]++ } } headKey := self.parentHash @@ -499,7 +500,7 @@ func (self *peer) getBlockHashes() bool { self.bp.newSection([]*node{n}).activate(self) } else { plog.DebugDetailf("HeadSection: <%s> connecting parent %s found in pool...head section [%s] exists...not requesting hashes", self.id, hex(self.parentHash), sectionhex(parent.section)) - self.bp.activateChain(parent.section, self, nil) + self.bp.activateChain(parent.section, self, self.switchC, nil) } } else { plog.DebugDetailf("HeadSection: <%s> section [%s] requestBlockHashes", self.id, sectionhex(self.headSection)) @@ -523,6 +524,7 @@ func (self *peer) run() { self.lock.RLock() switchC := self.switchC + plog.Debugf("HeadSection: <%s> section process for head %s started", self.id, hex(self.currentBlockHash)) self.lock.RUnlock() self.blockHashesRequestTimer = nil @@ -589,6 +591,7 @@ LOOP: plog.Debugf("HeadSection: <%s> (headsection [%s]) quit channel closed : timed out without providing new blocks...quitting", self.id, sectionhex(self.headSection)) } } + if !self.idle { self.idle = true self.bp.wg.Done() |