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beam: improve the API with Sender/Receiver interfaces and utilities: Copy/SendPipe/SendPair

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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
This commit is contained in:
Solomon Hykes 2014-03-28 16:57:48 -07:00
parent 071e5e5a65
commit 9c5fdb249f
5 changed files with 207 additions and 176 deletions
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12
beam/service.go
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@ -16,18 +16,18 @@ import (
// Note that if the underlying file descriptor received in attachment is nil or does
// not point to a connection, that message will be skipped.
//
func Listen(conn *net.UnixConn, name string) (net.Listener, error) {
endpoint, err := SendPipe(conn, []byte(name))
func Listen(conn Sender, name string) (net.Listener, error) {
in, _, err := SendPair(conn, []byte(name))
if err != nil {
return nil, err
}
return &listener{
name: name,
endpoint: endpoint,
endpoint: in,
}, nil
}
func Connect(ctx *net.UnixConn, name string) (net.Conn, error) {
func Connect(ctx *UnixConn, name string) (net.Conn, error) {
l, err := Listen(ctx, name)
if err != nil {
return nil, err
@ -41,12 +41,12 @@ func Connect(ctx *net.UnixConn, name string) (net.Conn, error) {
type listener struct {
name string
endpoint *net.UnixConn
endpoint ReceiveCloser
}
func (l *listener) Accept() (net.Conn, error) {
for {
_, f, err := Receive(l.endpoint)
_, f, err := l.endpoint.Receive()
if err != nil {
return nil, err
}