// NewStream opens a new stream to given peer p, and writes a p2p/protocol
// header with given protocol.ID. If there is no connection to p, attempts
// to create one. If ProtocolID is "", writes no header.
// (Threadsafe)
func (h *BasicHost) NewStream(pid protocol.ID, p peer.ID) (inet.Stream, error) {
s, err := h.Network().NewStream(p)
if err != nil {
return nil, err
}
logStream := mstream.WrapStream(s, pid, h.bwc)
lzcon := msmux.NewMSSelect(logStream, string(pid))
return &streamWrapper{
Stream: logStream,
rw: lzcon,
}, nil
}
func (h *BasicHost) newStream(ctx context.Context, p peer.ID, pid protocol.ID) (inet.Stream, error) {
s, err := h.Network().NewStream(ctx, p)
if err != nil {
return nil, err
}
s.SetProtocol(pid)
if h.bwc != nil {
s = mstream.WrapStream(s, h.bwc)
}
lzcon := msmux.NewMSSelect(s, string(pid))
return &streamWrapper{
Stream: s,
rw: lzcon,
}, nil
}