khenaidoo | ab1f7bd | 2019-11-14 14:00:27 -0500 | [diff] [blame] | 1 | // Copyright 2015 The etcd Authors |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package transport |
| 16 | |
| 17 | import ( |
| 18 | "net" |
| 19 | "time" |
| 20 | ) |
| 21 | |
| 22 | // NewTimeoutListener returns a listener that listens on the given address. |
| 23 | // If read/write on the accepted connection blocks longer than its time limit, |
| 24 | // it will return timeout error. |
| 25 | func NewTimeoutListener(addr string, scheme string, tlsinfo *TLSInfo, rdtimeoutd, wtimeoutd time.Duration) (net.Listener, error) { |
| 26 | ln, err := newListener(addr, scheme) |
| 27 | if err != nil { |
| 28 | return nil, err |
| 29 | } |
| 30 | ln = &rwTimeoutListener{ |
| 31 | Listener: ln, |
| 32 | rdtimeoutd: rdtimeoutd, |
| 33 | wtimeoutd: wtimeoutd, |
| 34 | } |
| 35 | if ln, err = wrapTLS(scheme, tlsinfo, ln); err != nil { |
| 36 | return nil, err |
| 37 | } |
| 38 | return ln, nil |
| 39 | } |
| 40 | |
| 41 | type rwTimeoutListener struct { |
| 42 | net.Listener |
| 43 | wtimeoutd time.Duration |
| 44 | rdtimeoutd time.Duration |
| 45 | } |
| 46 | |
| 47 | func (rwln *rwTimeoutListener) Accept() (net.Conn, error) { |
| 48 | c, err := rwln.Listener.Accept() |
| 49 | if err != nil { |
| 50 | return nil, err |
| 51 | } |
| 52 | return timeoutConn{ |
| 53 | Conn: c, |
| 54 | wtimeoutd: rwln.wtimeoutd, |
| 55 | rdtimeoutd: rwln.rdtimeoutd, |
| 56 | }, nil |
| 57 | } |