cerc-io/plugeth
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Merge pull request #1852 from obscuren/filter-nil-fix

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xeth: fixed nil pointer of filter retrieval
This commit is contained in:
Jeffrey Wilcke 2015-09-30 03:06:36 -07:00
commit 46ad5a5f5b
1 changed files with 34 additions and 12 deletions
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46
xeth/xeth.go
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@ -532,8 +532,10 @@ func (self *XEth) NewLogFilter(earliest, latest int64, skip, max int, address []
self.logMu.Lock()
defer self.logMu.Unlock()
var id int
filter := core.NewFilter(self.backend)
id := self.filterManager.InstallFilter(filter)
self.logQueue[id] = &logQueue{timeout: time.Now()}
filter.SetEarliestBlock(earliest)
filter.SetLatestBlock(latest)
filter.SetSkip(skip)
@ -544,10 +546,10 @@ func (self *XEth) NewLogFilter(earliest, latest int64, skip, max int, address []
self.logMu.Lock()
defer self.logMu.Unlock()
self.logQueue[id].add(logs...)
if queue := self.logQueue[id]; queue != nil {
queue.add(logs...)
}
}
id = self.filterManager.InstallFilter(filter)
self.logQueue[id] = &logQueue{timeout: time.Now()}
return id
}
@ -556,16 +558,18 @@ func (self *XEth) NewTransactionFilter() int {
self.transactionMu.Lock()
defer self.transactionMu.Unlock()
var id int
filter := core.NewFilter(self.backend)
id := self.filterManager.InstallFilter(filter)
self.transactionQueue[id] = &hashQueue{timeout: time.Now()}
filter.TransactionCallback = func(tx *types.Transaction) {
self.transactionMu.Lock()
defer self.transactionMu.Unlock()
self.transactionQueue[id].add(tx.Hash())
if queue := self.transactionQueue[id]; queue != nil {
queue.add(tx.Hash())
}
}
id = self.filterManager.InstallFilter(filter)
self.transactionQueue[id] = &hashQueue{timeout: time.Now()}
return id
}
@ -573,16 +577,18 @@ func (self *XEth) NewBlockFilter() int {
self.blockMu.Lock()
defer self.blockMu.Unlock()
var id int
filter := core.NewFilter(self.backend)
id := self.filterManager.InstallFilter(filter)
self.blockQueue[id] = &hashQueue{timeout: time.Now()}
filter.BlockCallback = func(block *types.Block, logs state.Logs) {
self.blockMu.Lock()
defer self.blockMu.Unlock()
self.blockQueue[id].add(block.Hash())
if queue := self.blockQueue[id]; queue != nil {
queue.add(block.Hash())
}
}
id = self.filterManager.InstallFilter(filter)
self.blockQueue[id] = &hashQueue{timeout: time.Now()}
return id
}
@ -1022,16 +1028,24 @@ func (m callmsg) Value() *big.Int { return m.value }
func (m callmsg) Data() []byte { return m.data }
type logQueue struct {
mu sync.Mutex
logs state.Logs
timeout time.Time
id int
}
func (l *logQueue) add(logs ...*state.Log) {
l.mu.Lock()
defer l.mu.Unlock()
l.logs = append(l.logs, logs...)
}
func (l *logQueue) get() state.Logs {
l.mu.Lock()
defer l.mu.Unlock()
l.timeout = time.Now()
tmp := l.logs
l.logs = nil
@ -1039,16 +1053,24 @@ func (l *logQueue) get() state.Logs {
}
type hashQueue struct {
mu sync.Mutex
hashes []common.Hash
timeout time.Time
id int
}
func (l *hashQueue) add(hashes ...common.Hash) {
l.mu.Lock()
defer l.mu.Unlock()
l.hashes = append(l.hashes, hashes...)
}
func (l *hashQueue) get() []common.Hash {
l.mu.Lock()
defer l.mu.Unlock()
l.timeout = time.Now()
tmp := l.hashes
l.hashes = nil