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wait for peers in wantmanager to all appear

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License: MIT
Signed-off-by: Jeromy <jeromyj@gmail.com>
This commit is contained in:
Jeromy
2016-02-08 15:59:22 -08:00
parent e9cc395ef2
commit c73da8486a
2 changed files with 29 additions and 2 deletions
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13
exchange/bitswap/bitswap_test.go
View File

@ -158,6 +158,19 @@ func PerformDistributionTest(t *testing.T, numInstances, numBlocks int) {
t.Log("Give the blocks to the first instance")
nump := len(instances) - 1
// assert we're properly connected
for _, inst := range instances {
peers := inst.Exchange.wm.ConnectedPeers()
for i := 0; i < 10 && len(peers) != nump; i++ {
time.Sleep(time.Millisecond * 50)
peers = inst.Exchange.wm.ConnectedPeers()
}
if len(peers) != nump {
t.Fatal("not enough peers connected to instance")
}
}
var blkeys []key.Key
first := instances[0]
for _, b := range blocks {

18
exchange/bitswap/wantmanager.go
View File

@ -16,8 +16,9 @@ import (
type WantManager struct {
// sync channels for Run loop
incoming chan []*bsmsg.Entry
connect chan peer.ID // notification channel for new peers connecting
disconnect chan peer.ID // notification channel for peers disconnecting
connect chan peer.ID // notification channel for new peers connecting
disconnect chan peer.ID // notification channel for peers disconnecting
peerReqs chan chan []peer.ID // channel to request connected peers on
// synchronized by Run loop, only touch inside there
peers map[peer.ID]*msgQueue
@ -32,6 +33,7 @@ func NewWantManager(ctx context.Context, network bsnet.BitSwapNetwork) *WantMana
incoming: make(chan []*bsmsg.Entry, 10),
connect: make(chan peer.ID, 10),
disconnect: make(chan peer.ID, 10),
peerReqs: make(chan chan []peer.ID),
peers: make(map[peer.ID]*msgQueue),
wl: wantlist.NewThreadSafe(),
network: network,
@ -88,6 +90,12 @@ func (pm *WantManager) addEntries(ks []key.Key, cancel bool) {
}
}
func (pm *WantManager) ConnectedPeers() []peer.ID {
resp := make(chan []peer.ID)
pm.peerReqs <- resp
return <-resp
}
func (pm *WantManager) SendBlock(ctx context.Context, env *engine.Envelope) {
// Blocks need to be sent synchronously to maintain proper backpressure
// throughout the network stack
@ -242,6 +250,12 @@ func (pm *WantManager) Run() {
pm.startPeerHandler(p)
case p := <-pm.disconnect:
pm.stopPeerHandler(p)
case req := <-pm.peerReqs:
var peers []peer.ID
for p := range pm.peers {
peers = append(peers, p)
}
req <- peers
case <-pm.ctx.Done():
return
}