// HandleMessage marshals and unmarshals net messages, forwarding them to the
// BitSwapMessage receiver
func (bsnet *impl) HandleMessage(
ctx context.Context, incoming netmsg.NetMessage) netmsg.NetMessage {
if bsnet.receiver == nil {
return nil
}
received, err := bsmsg.FromNet(incoming)
if err != nil {
go bsnet.receiver.ReceiveError(err)
return nil
}
p, bsmsg := bsnet.receiver.ReceiveMessage(ctx, incoming.Peer(), received)
// TODO(brian): put this in a helper function
if bsmsg == nil || p == nil {
bsnet.receiver.ReceiveError(errors.New("ReceiveMessage returned nil peer or message"))
return nil
}
outgoing, err := bsmsg.ToNet(p)
if err != nil {
go bsnet.receiver.ReceiveError(err)
return nil
}
log.Debugf("Message size: %d", len(outgoing.Data()))
return outgoing
}
func (bsnet *impl) SendRequest(
ctx context.Context,
p peer.Peer,
outgoing bsmsg.BitSwapMessage) (bsmsg.BitSwapMessage, error) {
outgoingMsg, err := outgoing.ToNet(p)
if err != nil {
return nil, err
}
incomingMsg, err := bsnet.service.SendRequest(ctx, outgoingMsg)
if err != nil {
return nil, err
}
return bsmsg.FromNet(incomingMsg)
}