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eth/downloader: fix import statistic reset, fetch hashes async

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This commit is contained in:
Péter Szilágyi 2015-06-15 13:05:01 +03:00
parent b240983e2b
commit 9c03c374e3
1 changed files with 14 additions and 11 deletions
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25
eth/downloader/downloader.go
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@ -316,13 +316,8 @@ func (d *Downloader) Cancel() {
}
d.cancelLock.Unlock()
// Reset the queue and import statistics
// Reset the queue
d.queue.Reset()
d.importLock.Lock()
d.importQueue = nil
d.importDone = 0
d.importLock.Unlock()
}
// fetchHahes starts retrieving hashes backwards from a specific peer and hash,
@ -345,7 +340,7 @@ func (d *Downloader) fetchHashes(p *peer, h common.Hash) error {
<-timeout.C // timeout channel should be initially empty.
getHashes := func(from common.Hash) {
active.getHashes(from)
go active.getHashes(from)
timeout.Reset(hashTTL)
}
@ -414,9 +409,9 @@ func (d *Downloader) fetchHashes(p *peer, h common.Hash) error {
expire: time.Now().Add(blockSoftTTL),
parent: parent,
}
active.getBlocks([]common.Hash{origin})
go active.getBlocks([]common.Hash{origin})
// Also fetch a fresh
// Also fetch a fresh batch of hashes
getHashes(head)
continue
}
@ -720,8 +715,16 @@ func (d *Downloader) process() (err error) {
err = d.process()
}
}()
// Release the lock upon exit (note, before checking for reentry!)
defer atomic.StoreInt32(&d.processing, 0)
// Release the lock upon exit (note, before checking for reentry!), and set
// the import statistics to zero.
defer func() {
d.importLock.Lock()
d.importQueue = nil
d.importDone = 0
d.importLock.Unlock()
atomic.StoreInt32(&d.processing, 0)
}()
// Fetch the current cancel channel to allow termination
d.cancelLock.RLock()