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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| // Copyright 2019 Andy Pan. All rights reserved. | ||
| // Use of this source code is governed by an MIT-style | ||
| // license that can be found in the LICENSE file. | ||
|
|
||
| // +build darwin netbsd freebsd openbsd dragonfly linux | ||
|
|
||
| package gnet | ||
|
|
||
| import ( | ||
| "net" | ||
| "os" | ||
|
|
||
| "github.com/panjf2000/gnet/ringbuffer" | ||
| "golang.org/x/sys/unix" | ||
| ) | ||
|
|
||
| func (svr *server) acceptNewConnection(fd int) error { | ||
| nfd, sa, err := unix.Accept(fd) | ||
| if err != nil { | ||
| if err == unix.EAGAIN { | ||
| return nil | ||
| } | ||
| return err | ||
| } | ||
| if err := unix.SetNonblock(nfd, true); err != nil { | ||
| return err | ||
| } | ||
| lp := svr.subLoopGroup.next() | ||
| c := &conn{ | ||
| fd: nfd, | ||
| sa: sa, | ||
| loop: lp, | ||
| inboundBuffer: ringbuffer.New(socketRingBufferSize), | ||
| outboundBuffer: ringbuffer.New(socketRingBufferSize), | ||
| } | ||
| _ = lp.loopOpen(c) | ||
| _ = lp.poller.Trigger(func() (err error) { | ||
| if err = lp.poller.AddRead(nfd); err == nil { | ||
| lp.connections[nfd] = c | ||
| return | ||
| } | ||
| return | ||
| }) | ||
| return nil | ||
| } | ||
|
|
||
| func (ln *listener) close() { | ||
| if ln.f != nil { | ||
| sniffError(ln.f.Close()) | ||
| } | ||
| if ln.ln != nil { | ||
| sniffError(ln.ln.Close()) | ||
| } | ||
| if ln.pconn != nil { | ||
| sniffError(ln.pconn.Close()) | ||
| } | ||
| if ln.network == "unix" { | ||
| sniffError(os.RemoveAll(ln.addr)) | ||
| } | ||
| } | ||
|
|
||
| // system takes the net listener and detaches it from it's parent | ||
| // event loop, grabs the file descriptor, and makes it non-blocking. | ||
| func (ln *listener) system() error { | ||
| var err error | ||
| switch netln := ln.ln.(type) { | ||
| case nil: | ||
| switch pconn := ln.pconn.(type) { | ||
| case *net.UDPConn: | ||
| ln.f, err = pconn.File() | ||
| } | ||
| case *net.TCPListener: | ||
| ln.f, err = netln.File() | ||
| case *net.UnixListener: | ||
| ln.f, err = netln.File() | ||
| } | ||
| if err != nil { | ||
| ln.close() | ||
| return err | ||
| } | ||
| ln.fd = int(ln.f.Fd()) | ||
| return unix.SetNonblock(ln.fd, true) | ||
| } |
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