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wtclient/session_negotiator: add prefix logging

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This commit is contained in:
Conner Fromknecht 2020-12-26 17:44:51 -08:00
parent 505901d7b8
commit de09b8d9bd
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GPG Key ID: E7D737B67FA592C7
2 changed files with 19 additions and 11 deletions
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1
watchtower/wtclient/client.go
View File

@ -339,6 +339,7 @@ func New(config *Config) (*TowerClient, error) {
Candidates: c.candidateTowers,
MinBackoff: cfg.MinBackoff,
MaxBackoff: cfg.MaxBackoff,
Log: plog,
})
// Reconstruct the highest commit height processed for each channel

29
watchtower/wtclient/session_negotiator.go
View File

@ -6,6 +6,7 @@ import (
"time"
"github.com/btcsuite/btcd/chaincfg/chainhash"
"github.com/btcsuite/btclog"
"github.com/lightningnetwork/lnd/keychain"
"github.com/lightningnetwork/lnd/lnwire"
"github.com/lightningnetwork/lnd/watchtower/blob"
@ -85,6 +86,10 @@ type NegotiatorConfig struct {
// exponential backoff produces a timeout greater than this value, the
// backoff duration will be clamped to MaxBackoff.
MaxBackoff time.Duration
// Log specifies the desired log output, which should be prefixed by the
// client type, e.g. anchor or legacy.
Log btclog.Logger
}
// sessionNegotiator is concrete SessionNegotiator that is able to request new
@ -97,6 +102,7 @@ type sessionNegotiator struct {
localInit *wtwire.Init
cfg *NegotiatorConfig
log btclog.Logger
dispatcher chan struct{}
newSessions chan *wtdb.ClientSession
@ -130,6 +136,7 @@ func newSessionNegotiator(cfg *NegotiatorConfig) *sessionNegotiator {
return &sessionNegotiator{
cfg: cfg,
log: cfg.Log,
localInit: localInit,
dispatcher: make(chan struct{}, 1),
newSessions: make(chan *wtdb.ClientSession),
@ -141,7 +148,7 @@ func newSessionNegotiator(cfg *NegotiatorConfig) *sessionNegotiator {
// Start safely starts up the sessionNegotiator.
func (n *sessionNegotiator) Start() error {
n.started.Do(func() {
log.Debugf("Starting session negotiator")
n.log.Debugf("Starting session negotiator")
n.wg.Add(1)
go n.negotiationDispatcher()
@ -153,7 +160,7 @@ func (n *sessionNegotiator) Start() error {
// Stop safely shutsdown the sessionNegotiator.
func (n *sessionNegotiator) Stop() error {
n.stopped.Do(func() {
log.Debugf("Stopping session negotiator")
n.log.Debugf("Stopping session negotiator")
close(n.quit)
n.wg.Wait()
@ -191,7 +198,7 @@ func (n *sessionNegotiator) negotiationDispatcher() {
pendingNegotiations++
if pendingNegotiations > 1 {
log.Debugf("Already negotiating session, " +
n.log.Debugf("Already negotiating session, " +
"waiting for existing negotiation to " +
"complete")
continue
@ -199,7 +206,7 @@ func (n *sessionNegotiator) negotiationDispatcher() {
// TODO(conner): consider reusing good towers
log.Debugf("Dispatching session negotiation")
n.log.Debugf("Dispatching session negotiation")
n.wg.Add(1)
go n.negotiate()
@ -213,7 +220,7 @@ func (n *sessionNegotiator) negotiationDispatcher() {
}
if pendingNegotiations > 0 {
log.Debugf("Dispatching pending session " +
n.log.Debugf("Dispatching pending session " +
"negotiation")
n.wg.Add(1)
@ -278,7 +285,7 @@ retryWithBackoff:
// We've run out of addresses, update our backoff.
updateBackoff()
log.Debugf("Unable to get new tower candidate, "+
n.log.Debugf("Unable to get new tower candidate, "+
"retrying after %v -- reason: %v", backoff, err)
// Only reset the iterator once we've exhausted all
@ -292,7 +299,7 @@ retryWithBackoff:
}
towerPub := tower.IdentityKey.SerializeCompressed()
log.Debugf("Attempting session negotiation with tower=%x",
n.log.Debugf("Attempting session negotiation with tower=%x",
towerPub)
// Before proceeding, we will reserve a session key index to use
@ -302,7 +309,7 @@ retryWithBackoff:
tower.ID, n.cfg.Policy.BlobType,
)
if err != nil {
log.Debugf("Unable to reserve session key index "+
n.log.Debugf("Unable to reserve session key index "+
"for tower=%x: %v", towerPub, err)
continue
}
@ -314,7 +321,7 @@ retryWithBackoff:
// An unexpected error occurred, updpate our backoff.
updateBackoff()
log.Debugf("Session negotiation with tower=%x "+
n.log.Debugf("Session negotiation with tower=%x "+
"failed, trying again -- reason: %v",
tower.IdentityKey.SerializeCompressed(), err)
@ -360,7 +367,7 @@ func (n *sessionNegotiator) createSession(tower *wtdb.Tower,
fallthrough
case err != nil:
log.Debugf("Request for session negotiation with "+
n.log.Debugf("Request for session negotiation with "+
"tower=%s failed, trying again -- reason: "+
"%v", lnAddr, err)
continue
@ -467,7 +474,7 @@ func (n *sessionNegotiator) tryAddress(sessionKey keychain.SingleKeyECDH,
err)
}
log.Debugf("New session negotiated with %s, policy: %s",
n.log.Debugf("New session negotiated with %s, policy: %s",
lnAddr, clientSession.Policy)
// We have a newly negotiated session, return it to the