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Code Releases Activity

Option for Socket Sharding as requested at #1544

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Former-commit-id: 0384baf593012377a94344d647ca41121294285a
This commit is contained in:
Gerasimos (Makis) Maropoulos
2020-06-26 20:29:36 +03:00
parent 836e641229
commit 7f9e664b90
23 changed files with 234 additions and 171 deletions
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25
core/netutil/tcp.go
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@@ -1,6 +1,7 @@
package netutil
import (
"context"
"crypto/tls"
"errors"
"fmt"
@@ -38,16 +39,17 @@ func (l tcpKeepAliveListener) Accept() (net.Conn, error) {
}
// TCP returns a new tcp(ipv6 if supported by network) and an error on failure.
func TCP(addr string) (net.Listener, error) {
l, err := net.Listen("tcp", addr)
if err != nil {
return nil, err
func TCP(addr string, reuse bool) (net.Listener, error) {
var cfg net.ListenConfig
if reuse {
cfg.Control = control
}
return l, nil
return cfg.Listen(context.Background(), "tcp", addr)
}
// TCPKeepAlive returns a new tcp keep alive Listener and an error on failure.
func TCPKeepAlive(addr string) (ln net.Listener, err error) {
func TCPKeepAlive(addr string, reuse bool) (ln net.Listener, err error) {
// if strings.HasPrefix(addr, "127.0.0.1") {
// // it's ipv4, use ipv4 tcp listener instead of the default ipv6. Don't.
// ln, err = net.Listen("tcp4", addr)
@@ -55,7 +57,7 @@ func TCPKeepAlive(addr string) (ln net.Listener, err error) {
// ln, err = TCP(addr)
// }
ln, err = TCP(addr)
ln, err = TCP(addr, reuse)
if err != nil {
return nil, err
}
@@ -110,19 +112,20 @@ func CERT(addr string, cert tls.Certificate) (net.Listener, error) {
// LETSENCRYPT returns a new Automatic TLS Listener using letsencrypt.org service
// receives three parameters,
// the first is the host of the server,
// second can be the server name(domain) or empty if skip verification is the expected behavior (not recommended)
// and the third is optionally, the cache directory, if you skip it then the cache directory is "./certcache"
// second one should declare if the underline tcp listener can be binded more than once,
// third can be the server name(domain) or empty if skip verification is the expected behavior (not recommended),
// and the forth is optionally, the cache directory, if you skip it then the cache directory is "./certcache"
// if you want to disable cache directory then simple give it a value of empty string ""
//
// does NOT supports localhost domains for testing.
//
// this is the recommended function to use when you're ready for production state.
func LETSENCRYPT(addr string, serverName string, cacheDirOptional ...string) (net.Listener, error) {
func LETSENCRYPT(addr string, reuse bool, serverName string, cacheDirOptional ...string) (net.Listener, error) {
if portIdx := strings.IndexByte(addr, ':'); portIdx == -1 {
addr += ":443"
}
l, err := TCP(addr)
l, err := TCP(addr, reuse)
if err != nil {
return nil, err
}