gaspersic/go-ethereum
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Added old filter. Needs some refactoring

Browse Source
This commit is contained in:
obscuren
2014-12-15 12:08:10 +01:00
parent 4b5ad31b3a
commit cdb2ebbdfa
2 changed files with 100 additions and 57 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
eth/backend.go
View File

@ -14,7 +14,6 @@ import (
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/pow/ezp"
"github.com/ethereum/go-ethereum/rpc"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/whisper"
)
@ -75,7 +74,6 @@ func New(db ethutil.Database, identity p2p.ClientIdentity, keyManager *crypto.Ke
clientIdentity: identity,
blacklist: p2p.NewBlacklist(),
eventMux: &event.TypeMux{},
filters: make(map[int]*core.Filter),
}
eth.txPool = core.NewTxPool(eth)
@ -83,6 +81,7 @@ func New(db ethutil.Database, identity p2p.ClientIdentity, keyManager *crypto.Ke
eth.blockManager = core.NewBlockManager(eth)
eth.chainManager.SetProcessor(eth.blockManager)
eth.whisper = whisper.New()
eth.filterManager = filter.NewFilterManager(eth.EventMux())
hasBlock := eth.chainManager.HasBlock
insertChain := eth.chainManager.InsertChain
@ -164,8 +163,7 @@ func (s *Ethereum) Start(seed bool) error {
}
s.blockPool.Start()
s.whisper.Start()
go s.filterLoop()
s.filterManager.Start()
// broadcast transactions
s.txSub = s.eventMux.Subscribe(core.TxPreEvent{})
@ -267,58 +265,9 @@ func saveProtocolVersion(db ethutil.Database) {
}
}
// InstallFilter adds filter for blockchain events.
// The filter's callbacks will run for matching blocks and messages.
// The filter should not be modified after it has been installed.
// XXX Refactor me & MOVE
func (self *Ethereum) InstallFilter(filter *core.Filter) (id int) {
self.filterMu.Lock()
id = self.filterId
self.filters[id] = filter
self.filterId++
self.filterMu.Unlock()
return id
}
func (self *Ethereum) UninstallFilter(id int) {
self.filterMu.Lock()
delete(self.filters, id)
self.filterMu.Unlock()
}
// GetFilter retrieves a filter installed using InstallFilter.
// The filter may not be modified.
func (self *Ethereum) GetFilter(id int) *core.Filter {
self.filterMu.RLock()
defer self.filterMu.RUnlock()
return self.filters[id]
}
func (self *Ethereum) filterLoop() {
// Subscribe to events
events := self.eventMux.Subscribe(core.NewBlockEvent{}, state.Messages(nil))
for event := range events.Chan() {
switch event.(type) {
case core.NewBlockEvent:
self.filterMu.RLock()
for _, filter := range self.filters {
if filter.BlockCallback != nil {
e := event.(core.NewBlockEvent)
filter.BlockCallback(e.Block)
}
}
self.filterMu.RUnlock()
case state.Messages:
self.filterMu.RLock()
for _, filter := range self.filters {
if filter.MessageCallback != nil {
e := event.(state.Messages)
msgs := filter.FilterMessages(e)
if len(msgs) > 0 {
filter.MessageCallback(msgs)
}
}
}
self.filterMu.RUnlock()
}
}
return self.filterManager.InstallFilter(filter)
}
func (self *Ethereum) UninstallFilter(id int) { self.filterManager.UninstallFilter(id) }
func (self *Ethereum) GetFilter(id int) *core.Filter { return self.filterManager.GetFilter(id) }