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-rw-r--r--server/util.go117
1 files changed, 0 insertions, 117 deletions
diff --git a/server/util.go b/server/util.go
deleted file mode 100644
index b122fbdb..00000000
--- a/server/util.go
+++ /dev/null
@@ -1,117 +0,0 @@
-// Copyright (C) 2016 Nippon Telegraph and Telephone Corporation.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-// implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package server
-
-import (
- "net"
- "os"
- "strings"
- "syscall"
-
- "github.com/eapache/channels"
-
- "github.com/osrg/gobgp/packet/bgp"
-)
-
-func cleanInfiniteChannel(ch *channels.InfiniteChannel) {
- ch.Close()
- // drain all remaining items
- for range ch.Out() {
- }
-}
-
-// Returns the binary formatted Administrative Shutdown Communication from the
-// given string value.
-func newAdministrativeCommunication(communication string) (data []byte) {
- if communication == "" {
- return nil
- }
- com := []byte(communication)
- if len(com) > bgp.BGP_ERROR_ADMINISTRATIVE_COMMUNICATION_MAX {
- data = []byte{bgp.BGP_ERROR_ADMINISTRATIVE_COMMUNICATION_MAX}
- data = append(data, com[:bgp.BGP_ERROR_ADMINISTRATIVE_COMMUNICATION_MAX]...)
- } else {
- data = []byte{byte(len(com))}
- data = append(data, com...)
- }
- return data
-}
-
-// Parses the given NOTIFICATION message data as a binary value and returns
-// the Administrative Shutdown Communication in string and the rest binary.
-func decodeAdministrativeCommunication(data []byte) (string, []byte) {
- if len(data) == 0 {
- return "", data
- }
- communicationLen := int(data[0])
- if communicationLen > bgp.BGP_ERROR_ADMINISTRATIVE_COMMUNICATION_MAX {
- communicationLen = bgp.BGP_ERROR_ADMINISTRATIVE_COMMUNICATION_MAX
- }
- if communicationLen > len(data)+1 {
- communicationLen = len(data) + 1
- }
- return string(data[1 : communicationLen+1]), data[communicationLen+1:]
-}
-
-func extractFileAndFamilyFromTCPListener(l *net.TCPListener) (*os.File, int, error) {
- // Note #1: TCPListener.File() has the unexpected side-effect of putting
- // the original socket into blocking mode. See Note #2.
- fi, err := l.File()
- if err != nil {
- return nil, 0, err
- }
-
- // Note #2: Call net.FileListener() to put the original socket back into
- // non-blocking mode.
- fl, err := net.FileListener(fi)
- if err != nil {
- fi.Close()
- return nil, 0, err
- }
- fl.Close()
-
- family := syscall.AF_INET
- if strings.Contains(l.Addr().String(), "[") {
- family = syscall.AF_INET6
- }
-
- return fi, family, nil
-}
-
-func extractFileAndFamilyFromTCPConn(conn *net.TCPConn) (*os.File, int, error) {
- // Note #1: TCPConn.File() has the unexpected side-effect of putting
- // the original socket into blocking mode. See Note #2.
- fi, err := conn.File()
- if err != nil {
- return nil, 0, err
- }
-
- // Note #2: Call net.FileConn() to put the original socket back into
- // non-blocking mode.
- fc, err := net.FileConn(fi)
- if err != nil {
- fi.Close()
- return nil, 0, err
- }
- fc.Close()
-
- family := syscall.AF_INET
- if strings.Contains(conn.RemoteAddr().String(), "[") {
- family = syscall.AF_INET6
- }
-
- return fi, family, nil
-}