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p2p/discover: add support for counting findnode failures

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Péter Szilágyi 2015-05-25 15:04:05 +03:00 committed by Felix Lange
parent 6a674ffea5
commit 64174f196f
2 changed files with 25 additions and 3 deletions
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17
p2p/discover/database.go
View File

@ -44,9 +44,10 @@ var (
nodeDBVersionKey = []byte("version") // Version of the database to flush if changes
nodeDBItemPrefix = []byte("n:") // Identifier to prefix node entries with
nodeDBDiscoverRoot = ":discover"
nodeDBDiscoverPing = nodeDBDiscoverRoot + ":lastping"
nodeDBDiscoverPong = nodeDBDiscoverRoot + ":lastpong"
nodeDBDiscoverRoot = ":discover"
nodeDBDiscoverPing = nodeDBDiscoverRoot + ":lastping"
nodeDBDiscoverPong = nodeDBDiscoverRoot + ":lastpong"
nodeDBDiscoverFindFails = nodeDBDiscoverRoot + ":findfail"
)
// newNodeDB creates a new node database for storing and retrieving infos about
@ -275,6 +276,16 @@ func (db *nodeDB) updateLastPong(id NodeID, instance time.Time) error {
return db.storeInt64(makeKey(id, nodeDBDiscoverPong), instance.Unix())
}
// findFails retrieves the number of findnode failures since bonding.
func (db *nodeDB) findFails(id NodeID) int {
return int(db.fetchInt64(makeKey(id, nodeDBDiscoverFindFails)))
}
// updateFindFails updates the number of findnode failures since bonding.
func (db *nodeDB) updateFindFails(id NodeID, fails int) error {
return db.storeInt64(makeKey(id, nodeDBDiscoverFindFails), int64(fails))
}
// querySeeds retrieves a batch of nodes to be used as potential seed servers
// during bootstrapping the node into the network.
//

11
p2p/discover/database_test.go
View File

@ -93,6 +93,7 @@ func TestNodeDBFetchStore(t *testing.T) {
30303,
)
inst := time.Now()
num := 314
db, _ := newNodeDB("", Version, NodeID{})
defer db.close()
@ -117,6 +118,16 @@ func TestNodeDBFetchStore(t *testing.T) {
if stored := db.lastPong(node.ID); stored.Unix() != inst.Unix() {
t.Errorf("pong: value mismatch: have %v, want %v", stored, inst)
}
// Check fetch/store operations on a node findnode-failure object
if stored := db.findFails(node.ID); stored != 0 {
t.Errorf("find-node fails: non-existing object: %v", stored)
}
if err := db.updateFindFails(node.ID, num); err != nil {
t.Errorf("find-node fails: failed to update: %v", err)
}
if stored := db.findFails(node.ID); stored != num {
t.Errorf("find-node fails: value mismatch: have %v, want %v", stored, num)
}
// Check fetch/store operations on an actual node object
if stored := db.node(node.ID); stored != nil {
t.Errorf("node: non-existing object: %v", stored)