diff options
Diffstat (limited to 'pkg')
| -rw-r--r-- | pkg/server/hook/proxy.go | 3 | ||||
| -rw-r--r-- | pkg/server/queue/queue.go | 21 |
2 files changed, 22 insertions, 2 deletions
diff --git a/pkg/server/hook/proxy.go b/pkg/server/hook/proxy.go index 64db784..6c41742 100644 --- a/pkg/server/hook/proxy.go +++ b/pkg/server/hook/proxy.go @@ -9,6 +9,7 @@ import ( "io" "regexp" "strconv" + "time" "tunnel/pkg/server/env" "tunnel/pkg/server/opts" "tunnel/pkg/server/queue" @@ -87,7 +88,7 @@ func (p *proxy) Recv(rq, wq queue.Q) (err error) { } }() - s := bufio.NewScanner(rq.Reader()) + s := bufio.NewScanner(rq.TimeoutReader(5 * time.Second)) var resp bool diff --git a/pkg/server/queue/queue.go b/pkg/server/queue/queue.go index 71f914c..11b2158 100644 --- a/pkg/server/queue/queue.go +++ b/pkg/server/queue/queue.go @@ -1,14 +1,19 @@ package queue import ( + "errors" + "time" "io" ) +var errTimeout = errors.New("read timeout expired") + type Q chan []byte type reader struct { b []byte q Q + d time.Duration } type writer struct { @@ -23,9 +28,23 @@ func (q Q) Reader() io.Reader { return &reader{q: q} } +func (q Q) TimeoutReader(d time.Duration) io.Reader { + return &reader{q: q, d: d} +} + func (r *reader) Read(p []byte) (int, error) { if len(r.b) == 0 { - r.b = <-r.q + if r.d == 0 { + r.b = <-r.q + } else { + t := time.NewTimer(r.d) + select { + case r.b = <-r.q: + t.Stop() + case <-t.C: + return 0, errTimeout + } + } if r.b == nil { return 0, io.EOF } |