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use ethreact.Event, unbuffered event channels, subscribe after loop reading from channel starts

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This commit is contained in:
zelig 2014-07-04 19:48:37 +01:00
parent 9754c01f56
commit 1e4ae24126
3 changed files with 76 additions and 72 deletions
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9
ethereal/ext_app.go
View File

@ -4,6 +4,7 @@ import (
"fmt"
"github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethpub"
"github.com/ethereum/eth-go/ethreact"
"github.com/ethereum/eth-go/ethutil"
"github.com/go-qml/qml"
)
@ -24,8 +25,8 @@ type AppContainer interface {
type ExtApplication struct {
*ethpub.PEthereum
blockChan chan ethutil.React
changeChan chan ethutil.React
blockChan chan ethreact.Event
changeChan chan ethreact.Event
quitChan chan bool
watcherQuitChan chan bool
@ -37,8 +38,8 @@ type ExtApplication struct {
func NewExtApplication(container AppContainer, lib *UiLib) *ExtApplication {
app := &ExtApplication{
ethpub.NewPEthereum(lib.eth),
make(chan ethutil.React, 1),
make(chan ethutil.React, 1),
make(chan ethreact.Event),
make(chan ethreact.Event),
make(chan bool),
make(chan bool),
container,

35
ethereal/gui.go
View File

@ -8,6 +8,7 @@ import (
"github.com/ethereum/eth-go/ethdb"
"github.com/ethereum/eth-go/ethlog"
"github.com/ethereum/eth-go/ethpub"
"github.com/ethereum/eth-go/ethreact"
"github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/eth-go/ethwire"
"github.com/ethereum/go-ethereum/utils"
@ -143,7 +144,7 @@ func (gui *Gui) showWallet(context *qml.Context) (*qml.Window, error) {
gui.readPreviousTransactions()
gui.setPeerInfo()
go gui.update()
gui.update()
return win, nil
}
@ -266,20 +267,10 @@ func (gui *Gui) setWalletValue(amount, unconfirmedFunds *big.Int) {
func (gui *Gui) update() {
reactor := gui.eth.Reactor()
blockChan := make(chan ethutil.React, 1)
txChan := make(chan ethutil.React, 1)
objectChan := make(chan ethutil.React, 1)
peerChan := make(chan ethutil.React, 1)
reactor.Subscribe("newBlock", blockChan)
reactor.Subscribe("newTx:pre", txChan)
reactor.Subscribe("newTx:post", txChan)
nameReg := ethpub.EthereumConfig(gui.eth.StateManager()).NameReg()
if nameReg != nil {
reactor.Subscribe("object:"+string(nameReg.Address()), objectChan)
}
reactor.Subscribe("peerList", peerChan)
blockChan := make(chan ethreact.Event)
txChan := make(chan ethreact.Event)
objectChan := make(chan ethreact.Event)
peerChan := make(chan ethreact.Event)
ticker := time.NewTicker(5 * time.Second)
@ -288,6 +279,7 @@ func (gui *Gui) update() {
unconfirmedFunds := new(big.Int)
gui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(state.GetAccount(gui.address()).Amount)))
go func() {
for {
select {
case b := <-blockChan:
@ -300,7 +292,7 @@ func (gui *Gui) update() {
case txMsg := <-txChan:
tx := txMsg.Resource.(*ethchain.Transaction)
if txMsg.Event == "newTx:pre" {
if txMsg.Name == "newTx:pre" {
object := state.GetAccount(gui.address())
if bytes.Compare(tx.Sender(), gui.address()) == 0 {
@ -336,6 +328,17 @@ func (gui *Gui) update() {
gui.setPeerInfo()
}
}
}()
reactor.Subscribe("newBlock", blockChan)
reactor.Subscribe("newTx:pre", txChan)
reactor.Subscribe("newTx:post", txChan)
nameReg := ethpub.EthereumConfig(gui.eth.StateManager()).NameReg()
if nameReg != nil {
reactor.Subscribe("object:"+string(nameReg.Address()), objectChan)
}
reactor.Subscribe("peerList", peerChan)
}
func (gui *Gui) setPeerInfo() {

16
ethereum/javascript_runtime.go
View File

@ -6,6 +6,7 @@ import (
"github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethlog"
"github.com/ethereum/eth-go/ethpub"
"github.com/ethereum/eth-go/ethreact"
"github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/go-ethereum/utils"
"github.com/obscuren/otto"
@ -22,8 +23,8 @@ type JSRE struct {
vm *otto.Otto
lib *ethpub.PEthereum
blockChan chan ethutil.React
changeChan chan ethutil.React
blockChan chan ethreact.Event
changeChan chan ethreact.Event
quitChan chan bool
objectCb map[string][]otto.Value
@ -48,8 +49,8 @@ func NewJSRE(ethereum *eth.Ethereum) *JSRE {
ethereum,
otto.New(),
ethpub.NewPEthereum(ethereum),
make(chan ethutil.React, 1),
make(chan ethutil.React, 1),
make(chan ethreact.Event),
make(chan ethreact.Event),
make(chan bool),
make(map[string][]otto.Value),
}
@ -63,6 +64,9 @@ func NewJSRE(ethereum *eth.Ethereum) *JSRE {
// We have to make sure that, whoever calls this, calls "Stop"
go re.mainLoop()
// Subscribe to events
reactor := ethereum.Reactor()
reactor.Subscribe("newBlock", re.blockChan)
re.Bind("eth", &JSEthereum{re.lib, re.vm})
@ -108,10 +112,6 @@ func (self *JSRE) Stop() {
}
func (self *JSRE) mainLoop() {
// Subscribe to events
reactor := self.ethereum.Reactor()
reactor.Subscribe("newBlock", self.blockChan)
out:
for {
select {