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p2p: fixed data races #23434

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merged 2 commits into from Aug 24, 2021
Merged

p2p: fixed data races #23434

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b627aeb
p2p: fixed data races
MariusVanDerWijden Aug 23, 2021
2de02d8
p2p: don't store flags in d.peers
fjl Aug 24, 2021
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6 changes: 3 additions & 3 deletions p2p/dial.go
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Expand Up @@ -107,7 +107,7 @@ type dialScheduler struct {
// Everything below here belongs to loop and
// should only be accessed by code on the loop goroutine.
dialing map[enode.ID]*dialTask // active tasks
peers map[enode.ID]connFlag // all connected peers
peers map[enode.ID]struct{} // all connected peers
dialPeers int // current number of dialed peers

// The static map tracks all static dial tasks. The subset of usable static dial tasks
Expand Down Expand Up @@ -166,7 +166,7 @@ func newDialScheduler(config dialConfig, it enode.Iterator, setupFunc dialSetupF
setupFunc: setupFunc,
dialing: make(map[enode.ID]*dialTask),
static: make(map[enode.ID]*dialTask),
peers: make(map[enode.ID]connFlag),
peers: make(map[enode.ID]struct{}),
doneCh: make(chan *dialTask),
nodesIn: make(chan *enode.Node),
addStaticCh: make(chan *enode.Node),
Expand Down Expand Up @@ -259,7 +259,7 @@ loop:
d.dialPeers++
}
id := c.node.ID()
d.peers[id] = c.flags
d.peers[id] = struct{}{}
// Remove from static pool because the node is now connected.
task := d.static[id]
if task != nil && task.staticPoolIndex >= 0 {
Expand Down
2 changes: 1 addition & 1 deletion p2p/enode/iter_test.go
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Expand Up @@ -268,7 +268,7 @@ func (s *genIter) Node() *Node {
}

func (s *genIter) Close() {
s.index = ^uint32(0)
atomic.StoreUint32(&s.index, ^uint32(0))
}

func testNode(id, seq uint64) *Node {
Expand Down