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Merge pull request #1314 from ddysher/fd-lead

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Fix leaking FD
This commit is contained in:
Tim Hockin 2014-09-15 17:24:29 -07:00
commit f8a8df369c
1 changed files with 10 additions and 4 deletions
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14
pkg/proxy/proxier.go
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@ -109,16 +109,21 @@ func (tcp *tcpProxySocket) ProxyLoop(service string, proxier *Proxier) {
continue
}
// Spin up an async copy loop.
proxyTCP(inConn.(*net.TCPConn), outConn.(*net.TCPConn))
go proxyTCP(inConn.(*net.TCPConn), outConn.(*net.TCPConn))
}
}
// proxyTCP proxies data bi-directionally between in and out.
func proxyTCP(in, out *net.TCPConn) {
var wg sync.WaitGroup
wg.Add(2)
glog.Infof("Creating proxy between %v <-> %v <-> %v <-> %v",
in.RemoteAddr(), in.LocalAddr(), out.LocalAddr(), out.RemoteAddr())
go copyBytes(in, out)
go copyBytes(out, in)
go copyBytes(in, out, &wg)
go copyBytes(out, in, &wg)
wg.Wait()
in.Close()
out.Close()
}
// udpProxySocket implements proxySocket. Close() is implemented by net.UDPConn. When Close() is called,
@ -302,7 +307,8 @@ func NewProxier(loadBalancer LoadBalancer, address string) *Proxier {
}
}
func copyBytes(in, out *net.TCPConn) {
func copyBytes(in, out *net.TCPConn, wg *sync.WaitGroup) {
defer wg.Done()
glog.Infof("Copying from %v <-> %v <-> %v <-> %v",
in.RemoteAddr(), in.LocalAddr(), out.LocalAddr(), out.RemoteAddr())
if _, err := io.Copy(in, out); err != nil {