/
net.go
65 lines (55 loc) · 1.56 KB
/
net.go
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package corenet
import (
"time"
core "github.com/ipfs/go-ipfs/core"
peer "gx/ipfs/QmQGwpJy9P4yXZySmqkZEXCmbBpJUb8xntCv8Ca4taZwDC/go-libp2p-peer"
net "gx/ipfs/QmQkQP7WmeT9FRJDsEzAaGYDparttDiB6mCpVBrq2MuWQS/go-libp2p/p2p/net"
pro "gx/ipfs/QmQkQP7WmeT9FRJDsEzAaGYDparttDiB6mCpVBrq2MuWQS/go-libp2p/p2p/protocol"
pstore "gx/ipfs/QmXHUpFsnpCmanRnacqYkFoLoFfEq5yS2nUgGkAjJ1Nj9j/go-libp2p-peerstore"
context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
)
type ipfsListener struct {
conCh chan net.Stream
proto pro.ID
ctx context.Context
cancel func()
}
func (il *ipfsListener) Accept() (net.Stream, error) {
select {
case c := <-il.conCh:
return c, nil
case <-il.ctx.Done():
return nil, il.ctx.Err()
}
}
func (il *ipfsListener) Close() error {
il.cancel()
// TODO: unregister handler from peerhost
return nil
}
func Listen(nd *core.IpfsNode, protocol string) (*ipfsListener, error) {
ctx, cancel := context.WithCancel(nd.Context())
list := &ipfsListener{
proto: pro.ID(protocol),
conCh: make(chan net.Stream),
ctx: ctx,
cancel: cancel,
}
nd.PeerHost.SetStreamHandler(list.proto, func(s net.Stream) {
select {
case list.conCh <- s:
case <-ctx.Done():
s.Close()
}
})
return list, nil
}
func Dial(nd *core.IpfsNode, p peer.ID, protocol string) (net.Stream, error) {
ctx, cancel := context.WithTimeout(nd.Context(), time.Second*30)
defer cancel()
err := nd.PeerHost.Connect(ctx, pstore.PeerInfo{ID: p})
if err != nil {
return nil, err
}
return nd.PeerHost.NewStream(nd.Context(), pro.ID(protocol), p)
}