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Added logging to pools and workers.

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This commit is contained in:
Jay
2026-04-23 20:58:57 -04:00
parent 230e6e608a
commit 0ac8d9facd
11 changed files with 209 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files
outbound/pool.go
+24
View File
@@ -146,6 +146,10 @@ func (p *Pool) SetDialer(d types.Dialer) {
}
func (p *Pool) Close() {
if p.logger != nil {
p.logger.Debug("closing")
}
p.mu.Lock()
if p.closed {
p.mu.Unlock()
@@ -165,10 +169,18 @@ func (p *Pool) Close() {
close(p.inbox)
close(p.events)
close(p.errors)
if p.logger != nil {
p.logger.Info("closed")
}
}()
}
func (p *Pool) Connect(id string) error {
if p.logger != nil {
p.logger.Debug("connecting to peer", "peer", id)
}
id, err := transport.NormalizeURL(id)
if err != nil {
return err
@@ -215,10 +227,18 @@ func (p *Pool) Connect(id string) error {
p.peers[id] = &Peer{id: id, worker: worker}
if p.logger != nil {
p.logger.Info("connected to peer", "peer", id)
}
return nil
}
func (p *Pool) Remove(id string) error {
if p.logger != nil {
p.logger.Debug("disconnecting from peer", "peer", id)
}
id, err := transport.NormalizeURL(id)
if err != nil {
return err
@@ -239,6 +259,10 @@ func (p *Pool) Remove(id string) error {
peer.worker.Stop()
if p.logger != nil {
p.logger.Info("disconnected from peer", "peer", id)
}
return nil
}
outbound/worker.go
+80 -4
View File
@@ -57,6 +57,10 @@ func NewWorker(
}
func (w *DefaultWorker) Start(pool PoolPlugin) {
if w.logger != nil {
w.logger.Debug("starting")
}
dial := make(chan struct{}, 1)
newConn := make(chan *transport.Connection, 1)
toQueue := make(chan types.ReceivedMessage, 256)
@@ -68,12 +72,12 @@ func (w *DefaultWorker) Start(pool PoolPlugin) {
go func() {
defer wg.Done()
RunDialer(w.id, w.ctx, pool, dial, newConn)
RunDialer(w.id, w.ctx, pool, dial, newConn, w.logger)
}()
go func() {
defer wg.Done()
RunKeepalive(w.ctx, w.heartbeat, keepalive, w.config.KeepaliveTimeout)
RunKeepalive(w.ctx, w.heartbeat, keepalive, w.config.KeepaliveTimeout, w.logger)
}()
go func() {
@@ -96,14 +100,26 @@ func (w *DefaultWorker) Start(pool PoolPlugin) {
dial: dial,
keepalive: keepalive,
newConn: newConn,
logger: w.logger,
}
session.Start(w.ctx, pool)
}()
if w.logger != nil {
w.logger.Info("started")
}
wg.Wait()
if w.logger != nil {
w.logger.Info("stopped")
}
}
func (w *DefaultWorker) Stop() {
if w.logger != nil {
w.logger.Debug("shutting down")
}
w.cancel()
}
@@ -136,6 +152,8 @@ type Session struct {
keepalive <-chan struct{}
newConn <-chan *transport.Connection
logger *slog.Logger
}
func (s *Session) Start(
@@ -143,6 +161,10 @@ func (s *Session) Start(
pool PoolPlugin,
) {
for {
if s.logger != nil {
s.logger.Debug("session: requesting connection")
}
// request new connection
select {
case s.dial <- struct{}{}:
@@ -159,9 +181,16 @@ func (s *Session) Start(
case <-s.keepalive:
select {
case s.dial <- struct{}{}:
if s.logger != nil {
s.logger.Debug("session: requesting connection")
}
default:
}
case conn = <-s.newConn:
if s.logger != nil {
s.logger.Debug("session: connected")
}
break preConn
}
}
@@ -179,16 +208,24 @@ func (s *Session) Start(
wg.Add(2)
go func() {
defer wg.Done()
RunReader(sctx, onStop, conn, s.messages, s.heartbeat)
RunReader(sctx, onStop, conn, s.messages, s.heartbeat, s.logger)
}()
go func() {
defer wg.Done()
RunStopMonitor(sctx, onStop, conn, s.keepalive)
RunStopMonitor(sctx, onStop, conn, s.keepalive, s.logger)
}()
if s.logger != nil {
s.logger.Info("session: started")
}
// complete session
wg.Wait()
if s.logger != nil {
s.logger.Info("session: ended")
}
// tear down connection
s.connPtr.Store(nil)
pool.Events <- PoolEvent{ID: s.id, Kind: EventDisconnected}
@@ -211,8 +248,13 @@ func RunReader(
conn *transport.Connection,
messages chan<- types.ReceivedMessage,
heartbeat chan<- struct{},
logger *slog.Logger,
) {
defer func() {
if logger != nil {
logger.Debug("reader: stopping")
}
conn.Close()
onStop()
}()
@@ -224,6 +266,9 @@ func RunReader(
case data, ok := <-conn.Incoming():
if !ok {
// connection has closed
if logger != nil {
logger.Debug("reader: disconnected")
}
return
}
@@ -245,8 +290,13 @@ func RunStopMonitor(
onStop func(),
conn *transport.Connection,
keepalive <-chan struct{},
logger *slog.Logger,
) {
defer func() {
if logger != nil {
logger.Debug("stop monitor: stopping")
}
conn.Close()
onStop()
}()
@@ -254,6 +304,9 @@ func RunStopMonitor(
select {
case <-ctx.Done():
case <-keepalive:
if logger != nil {
logger.Debug("stop monitor: stopping: keepalive")
}
}
}
@@ -290,9 +343,13 @@ func RunKeepalive(
heartbeat <-chan struct{},
keepalive chan<- struct{},
timeout time.Duration,
logger *slog.Logger,
) {
// disable keepalive timeout if not configured
if timeout <= 0 {
if logger != nil {
logger.Debug("keepalive: disabled")
}
// drain heartbeats
// wait for cancel and exit
for {
@@ -304,6 +361,10 @@ func RunKeepalive(
}
}
if logger != nil {
logger.Debug("keepalive: enabled", "timeout", timeout)
}
timer := time.NewTimer(timeout)
defer timer.Stop()
@@ -323,6 +384,9 @@ func RunKeepalive(
// timer completed
case <-timer.C:
// send keepalive signal, then reset the timer
if logger != nil {
logger.Info("keepalive: peer is inactive")
}
select {
case keepalive <- struct{}{}:
default:
@@ -359,6 +423,8 @@ func RunDialer(
dial <-chan struct{},
newConn chan<- *transport.Connection,
logger *slog.Logger,
) {
for {
select {
@@ -377,12 +443,18 @@ func RunDialer(
}
}()
if logger != nil {
logger.Debug("dialer: dialing")
}
// dial a new connection
conn, err := connect(id, ctx, pool)
close(done)
// send error if dial failed and continue
if err != nil {
if logger != nil {
logger.Warn("dialer: dial failed")
}
select {
case pool.Errors <- err:
case <-ctx.Done():
@@ -390,6 +462,10 @@ func RunDialer(
continue
}
if logger != nil {
logger.Debug("dialer: connected")
}
// send the new connection or close and exit
select {
case newConn <- conn:
outbound/worker_dialer_test.go
+5 -5
View File
@@ -32,7 +32,7 @@ func TestRunDialer(t *testing.T) {
},
}
go RunDialer(url, ctx, pool, dial, newConn)
go RunDialer(url, ctx, pool, dial, newConn, nil)
dial <- struct{}{}
honeybeetest.Eventually(t, func() bool {
@@ -73,7 +73,7 @@ func TestRunDialer(t *testing.T) {
ConnectionConfig: connConfig,
}
go RunDialer(url, ctx, pool, dial, newConn)
go RunDialer(url, ctx, pool, dial, newConn, nil)
dial <- struct{}{}
// wait for dial to start blocking on gate
@@ -141,7 +141,7 @@ func TestRunDialer(t *testing.T) {
ConnectionConfig: connConfig,
}
go RunDialer(url, ctx, pool, dial, newConn)
go RunDialer(url, ctx, pool, dial, newConn, nil)
dial <- struct{}{}
honeybeetest.Eventually(t, func() bool {
@@ -175,7 +175,7 @@ func TestRunDialer(t *testing.T) {
done := make(chan struct{})
go func() {
RunDialer(url, ctx, pool, dial, newConn)
RunDialer(url, ctx, pool, dial, newConn, nil)
close(done)
}()
@@ -213,7 +213,7 @@ func TestRunDialer(t *testing.T) {
done := make(chan struct{})
go func() {
RunDialer(url, ctx, pool, dial, newConn)
RunDialer(url, ctx, pool, dial, newConn, nil)
close(done)
}()
outbound/worker_keepalive_test.go
+4 -4
View File
@@ -15,7 +15,7 @@ func TestRunKeepalive(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
go RunKeepalive(ctx, heartbeat, keepalive, timeout)
go RunKeepalive(ctx, heartbeat, keepalive, timeout, nil)
// send heartbeats faster than the timeout
for i := 0; i < 5; i++ {
@@ -41,7 +41,7 @@ func TestRunKeepalive(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
go RunKeepalive(ctx, heartbeat, keepalive, timeout)
go RunKeepalive(ctx, heartbeat, keepalive, timeout, nil)
// send no heartbeats, wait for timeout and keepalive signal
honeybeetest.Eventually(t, func() bool {
@@ -62,7 +62,7 @@ func TestRunKeepalive(t *testing.T) {
done := make(chan struct{})
go func() {
RunKeepalive(ctx, heartbeat, keepalive, timeout)
RunKeepalive(ctx, heartbeat, keepalive, timeout, nil)
close(done)
}()
@@ -83,7 +83,7 @@ func TestRunKeepalive(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
go RunKeepalive(ctx, heartbeat, keepalive, 0)
go RunKeepalive(ctx, heartbeat, keepalive, 0, nil)
// these must not block
for i := 0; i < 5; i++ {
outbound/worker_session_inner_test.go
+6 -6
View File
@@ -28,7 +28,7 @@ func TestRunReader(t *testing.T) {
for range heartbeat {
}
}()
go RunReader(ctx, cancel, conn, messages, heartbeat)
go RunReader(ctx, cancel, conn, messages, heartbeat, nil)
before := time.Now()
incomingData <- honeybeetest.MockIncomingData{
@@ -65,7 +65,7 @@ func TestRunReader(t *testing.T) {
for range messages {
}
}()
go RunReader(ctx, cancel, conn, messages, heartbeat)
go RunReader(ctx, cancel, conn, messages, heartbeat, nil)
const count = 3
for i := 0; i < count; i++ {
@@ -96,7 +96,7 @@ func TestRunReader(t *testing.T) {
for range messages {
}
}()
go RunReader(ctx, cancel, conn, messages, heartbeat)
go RunReader(ctx, cancel, conn, messages, heartbeat, nil)
// induce connection closure via reader
incomingData <- honeybeetest.MockIncomingData{Err: io.EOF}
@@ -125,7 +125,7 @@ func TestRunReader(t *testing.T) {
heartbeat := make(chan struct{})
ctx, cancel := context.WithCancel(context.Background())
go RunReader(ctx, cancel, conn, messages, heartbeat)
go RunReader(ctx, cancel, conn, messages, heartbeat, nil)
cancel()
@@ -152,7 +152,7 @@ func TestRunStopMonitor(t *testing.T) {
keepalive := make(chan struct{}, 1)
go RunStopMonitor(ctx, cancel, conn, keepalive)
go RunStopMonitor(ctx, cancel, conn, keepalive, nil)
keepalive <- struct{}{}
@@ -177,7 +177,7 @@ func TestRunStopMonitor(t *testing.T) {
keepalive := make(chan struct{})
go RunStopMonitor(ctx, cancel, conn, keepalive)
go RunStopMonitor(ctx, cancel, conn, keepalive, nil)
cancel()