54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
package sm_yamux
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import (
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"io/ioutil"
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"math"
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"net"
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"github.com/libp2p/go-libp2p-core/network"
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"github.com/libp2p/go-yamux/v3"
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)
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var DefaultTransport *Transport
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func init() {
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config := yamux.DefaultConfig()
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// We've bumped this to 16MiB as this critically limits throughput.
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//
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// 1MiB means a best case of 10MiB/s (83.89Mbps) on a connection with
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// 100ms latency. The default gave us 2.4MiB *best case* which was
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// totally unacceptable.
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config.MaxStreamWindowSize = uint32(16 * 1024 * 1024)
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// don't spam
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config.LogOutput = ioutil.Discard
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// We always run over a security transport that buffers internally
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// (i.e., uses a block cipher).
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config.ReadBufSize = 0
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// Effectively disable the incoming streams limit.
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// This is now dynamically limited by the resource manager.
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config.MaxIncomingStreams = math.MaxUint32
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DefaultTransport = (*Transport)(config)
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}
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// Transport implements mux.Multiplexer that constructs
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// yamux-backed muxed connections.
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type Transport yamux.Config
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var _ network.Multiplexer = &Transport{}
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func (t *Transport) NewConn(nc net.Conn, isServer bool, scope network.PeerScope) (network.MuxedConn, error) {
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var s *yamux.Session
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var err error
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if isServer {
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s, err = yamux.Server(nc, t.Config(), scope)
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} else {
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s, err = yamux.Client(nc, t.Config(), scope)
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}
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return (*conn)(s), err
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}
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func (t *Transport) Config() *yamux.Config {
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return (*yamux.Config)(t)
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}
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