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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2018-07-07 13:48:38 +0900
committerFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2018-07-07 20:44:25 +0900
commitc4775c42510d1f1ddd55036dc19e982712fa6a0b (patch)
tree6ec8b61d4338c809e239e3003a2d32d480898e22 /pkg/server/sockopt.go
parentb3079759aa13172fcb548a83da9a9653d8d5fed4 (diff)
follow Standard Go Project Layout
https://github.com/golang-standards/project-layout Now you can see clearly what are private and public library code. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Diffstat (limited to 'pkg/server/sockopt.go')
-rw-r--r--pkg/server/sockopt.go90
1 files changed, 90 insertions, 0 deletions
diff --git a/pkg/server/sockopt.go b/pkg/server/sockopt.go
new file mode 100644
index 00000000..e1c9c467
--- /dev/null
+++ b/pkg/server/sockopt.go
@@ -0,0 +1,90 @@
+// 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.
+// +build !linux,!openbsd
+
+package server
+
+import (
+ "fmt"
+ "net"
+
+ log "github.com/sirupsen/logrus"
+)
+
+func SetTcpMD5SigSockopt(l *net.TCPListener, address string, key string) error {
+ return setTcpMD5SigSockopt(l, address, key)
+}
+
+func SetListenTcpTTLSockopt(l *net.TCPListener, ttl int) error {
+ return setListenTcpTTLSockopt(l, ttl)
+}
+
+func SetTcpTTLSockopt(conn *net.TCPConn, ttl int) error {
+ return setTcpTTLSockopt(conn, ttl)
+}
+
+func SetTcpMinTTLSockopt(conn *net.TCPConn, ttl int) error {
+ return setTcpMinTTLSockopt(conn, ttl)
+}
+
+type TCPDialer struct {
+ net.Dialer
+
+ // MD5 authentication password.
+ AuthPassword string
+
+ // The TTL value to set outgoing connection.
+ Ttl uint8
+
+ // The minimum TTL value for incoming packets.
+ TtlMin uint8
+}
+
+func (d *TCPDialer) DialTCP(addr string, port int) (*net.TCPConn, error) {
+ if d.AuthPassword != "" {
+ log.WithFields(log.Fields{
+ "Topic": "Peer",
+ "Key": addr,
+ }).Warn("setting md5 for active connection is not supported")
+ }
+ if d.Ttl != 0 {
+ log.WithFields(log.Fields{
+ "Topic": "Peer",
+ "Key": addr,
+ }).Warn("setting ttl for active connection is not supported")
+ }
+ if d.TtlMin != 0 {
+ log.WithFields(log.Fields{
+ "Topic": "Peer",
+ "Key": addr,
+ }).Warn("setting min ttl for active connection is not supported")
+ }
+
+ raddr, err := net.ResolveTCPAddr("tcp", net.JoinHostPort(addr, fmt.Sprintf("%d", port)))
+ if err != nil {
+ return nil, fmt.Errorf("invalid remote address: %s", err)
+ }
+ laddr, err := net.ResolveTCPAddr("tcp", d.LocalAddr.String())
+ if err != nil {
+ return nil, fmt.Errorf("invalid local address: %s", err)
+ }
+
+ dialer := net.Dialer{LocalAddr: laddr, Timeout: d.Timeout}
+ conn, err := dialer.Dial("tcp", raddr.String())
+ if err != nil {
+ return nil, err
+ }
+ return conn.(*net.TCPConn), nil
+}