mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-25 12:57:18 +00:00
58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
// Package peerstatus is a threadsafe global cache to store recent peer status messages for access
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// across multiple services.
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package peerstatus
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import (
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"sync"
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"github.com/libp2p/go-libp2p-core/peer"
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pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
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)
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var lock sync.RWMutex
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var peerStatuses = make(map[peer.ID]*pb.Status)
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// Get most recent status from peer in cache. Threadsafe.
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func Get(pid peer.ID) *pb.Status {
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lock.RLock()
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defer lock.RUnlock()
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return peerStatuses[pid]
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}
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// Set most recent status from peer in cache. Threadsafe.
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func Set(pid peer.ID, status *pb.Status) {
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lock.Lock()
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defer lock.Unlock()
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peerStatuses[pid] = status
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}
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// Delete peer status from cache. Threadsafe.
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func Delete(pid peer.ID) {
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lock.Lock()
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defer lock.Unlock()
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delete(peerStatuses, pid)
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}
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// Count of peer statuses in cache. Threadsafe.
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func Count() int {
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lock.RLock()
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defer lock.RUnlock()
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return len(peerStatuses)
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}
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// Keys is the list of peer IDs which status exists. Threadsafe.
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func Keys() []peer.ID {
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lock.RLock()
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defer lock.RUnlock()
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keys := make([]peer.ID, 0, Count())
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for k := range peerStatuses {
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keys = append(keys, k)
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}
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return keys
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}
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// Clear the cache. This method should only be used for tests.
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func Clear() {
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peerStatuses = make(map[peer.ID]*pb.Status)
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}
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