add data transfer logging

markets/loggers/loggers.go

@@ -1,6 +1,7 @@
 package marketevents
 
 import (
+	datatransfer "github.com/filecoin-project/go-data-transfer"
 	"github.com/filecoin-project/go-fil-markets/retrievalmarket"
 	"github.com/filecoin-project/go-fil-markets/storagemarket"
 	"github.com/filecoin-project/go-state-types/abi"
@@ -29,6 +30,23 @@ func RetrievalProviderLogger(event retrievalmarket.ProviderEvent, deal retrieval
 	log.Infow("retrieval event", "name", retrievalmarket.ProviderEvents[event], "deal ID", deal.ID, "receiver", deal.Receiver, "state", retrievalmarket.DealStatuses[deal.Status], "message", deal.Message)
 }
 
+// DataTransferLogger logs events from the data transfer module
+func DataTransferLogger(event datatransfer.Event, state datatransfer.ChannelState) {
+	log.Debugw("data transfer event",
+		"name", datatransfer.Events[event.Code],
+		"status", datatransfer.Statuses[state.Status()],
+		"transfer ID", state.TransferID(),
+		"channel ID", state.ChannelID(),
+		"sent", state.Sent(),
+		"received", state.Received(),
+		"queued", state.Queued(),
+		"received count", len(state.ReceivedCids()),
+		"total size", state.TotalSize(),
+		"remote peer", state.OtherPeer(),
+		"event message", event.Message,
+		"channel message", state.Message())
+}
+
 // ReadyLogger returns a function to log the results of module initialization
 func ReadyLogger(module string) func(error) {
 	return func(err error) {

node/modules/client.go

@@ -137,6 +137,7 @@ func NewClientGraphsyncDataTransfer(lc fx.Lifecycle, h host.Host, gs dtypes.Grap
 	dt.OnReady(marketevents.ReadyLogger("client data transfer"))
 	lc.Append(fx.Hook{
 		OnStart: func(ctx context.Context) error {
+			dt.SubscribeToEvents(marketevents.DataTransferLogger)
 			return dt.Start(ctx)
 		},
 		OnStop: func(ctx context.Context) error {