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simplify listener implementation setup customizations in right place (#19589)

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Harshavardhana 2024-04-23 21:08:47 -07:00 committed by GitHub
parent 7640cd24c9
commit f3a52cc195
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GPG Key ID: B5690EEEBB952194
9 changed files with 84 additions and 107 deletions
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2
cmd/common-main.go
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@ -401,6 +401,8 @@ func buildServerCtxt(ctx *cli.Context, ctxt *serverCtxt) (err error) {
ctxt.ConnWriteDeadline = ctx.Duration("conn-write-deadline")
ctxt.ConnClientReadDeadline = ctx.Duration("conn-client-read-deadline")
ctxt.ConnClientWriteDeadline = ctx.Duration("conn-client-write-deadline")
ctxt.SendBufSize = ctx.Int("send-buf-size")
ctxt.RecvBufSize = ctx.Int("recv-buf-size")
ctxt.ShutdownTimeout = ctx.Duration("shutdown-timeout")
ctxt.IdleTimeout = ctx.Duration("idle-timeout")

6
cmd/globals.go
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@ -171,7 +171,8 @@ type serverCtxt struct {
ReadHeaderTimeout time.Duration
MaxIdleConnsPerHost int
CrossDomainXML string
SendBufSize, RecvBufSize int
CrossDomainXML string
// The layout of disks as interpreted
Layout disksLayout
}
@ -446,9 +447,6 @@ var (
subnetAdminPublicKey = []byte("-----BEGIN PUBLIC KEY-----\nMIIBCgKCAQEAyC+ol5v0FP+QcsR6d1KypR/063FInmNEFsFzbEwlHQyEQN3O7kNI\nwVDN1vqp1wDmJYmv4VZGRGzfFw1q+QV7K1TnysrEjrqpVxfxzDQCoUadAp8IxLLc\ns2fjyDNxnZjoC6fTID9C0khKnEa5fPZZc3Ihci9SiCGkPmyUyCGVSxWXIKqL2Lrj\nyDc0pGeEhWeEPqw6q8X2jvTC246tlzqpDeNsPbcv2KblXRcKniQNbBrizT37CKHQ\nM6hc9kugrZbFuo8U5/4RQvZPJnx/DVjLDyoKo2uzuVQs4s+iBrA5sSSLp8rPED/3\n6DgWw3e244Dxtrg972dIT1IOqgn7KUJzVQIDAQAB\n-----END PUBLIC KEY-----")
subnetAdminPublicKeyDev = []byte("-----BEGIN PUBLIC KEY-----\nMIIBCgKCAQEArhQYXQd6zI4uagtVfthAPOt6i4AYHnEWCoNeAovM4MNl42I9uQFh\n3VHkbWj9Gpx9ghf6PgRgK+8FcFvy+StmGcXpDCiFywXX24uNhcZjscX1C4Esk0BW\nidfI2eXYkOlymD4lcK70SVgJvC693Qa7Z3FE1KU8Nfv2bkxEE4bzOkojX9t6a3+J\nR8X6Z2U8EMlH1qxJPgiPogELhWP0qf2Lq7GwSAflo1Tj/ytxvD12WrnE0Rrj/8yP\nSnp7TbYm91KocKMExlmvx3l2XPLxeU8nf9U0U+KOmorejD3MDMEPF+tlk9LB3JWP\nZqYYe38rfALVTn4RVJriUcNOoEpEyC0WEwIDAQAB\n-----END PUBLIC KEY-----")
globalConnReadDeadline time.Duration
globalConnWriteDeadline time.Duration
// dynamic sleeper to avoid thundering herd for trash folder expunge routine
deleteCleanupSleeper = newDynamicSleeper(5, 25*time.Millisecond, false)

18
cmd/server-main.go
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@ -34,6 +34,7 @@ import (
"time"
"github.com/coreos/go-systemd/v22/daemon"
"github.com/dustin/go-humanize"
"github.com/minio/cli"
"github.com/minio/madmin-go/v3"
"github.com/minio/minio-go/v7"
@ -178,6 +179,18 @@ var ServerFlags = []cli.Flag{
Hidden: true,
EnvVar: "MINIO_MEMLIMIT",
},
cli.IntFlag{
Name: "send-buf-size",
Value: 4 * humanize.MiByte,
EnvVar: "MINIO_SEND_BUF_SIZE",
Hidden: true,
},
cli.IntFlag{
Name: "recv-buf-size",
Value: 4 * humanize.MiByte,
EnvVar: "MINIO_RECV_BUF_SIZE",
Hidden: true,
},
}
var gatewayCmd = cli.Command{
@ -367,6 +380,8 @@ func serverHandleCmdArgs(ctxt serverCtxt) {
ClientReadTimeout: ctxt.ConnClientReadDeadline,
ClientWriteTimeout: ctxt.ConnClientWriteDeadline,
Interface: ctxt.Interface,
SendBufSize: ctxt.SendBufSize,
RecvBufSize: ctxt.RecvBufSize,
}
// allow transport to be HTTP/1.1 for proxying.
@ -388,9 +403,6 @@ func serverHandleCmdArgs(ctxt serverCtxt) {
// (non-)minio process is listening on IPv4 of given port.
// To avoid this error situation we check for port availability.
logger.FatalIf(xhttp.CheckPortAvailability(globalMinioHost, globalMinioPort, globalTCPOptions), "Unable to start the server")
globalConnReadDeadline = ctxt.ConnReadDeadline
globalConnWriteDeadline = ctxt.ConnWriteDeadline
}
func initAllSubsystems(ctx context.Context) {

2
cmd/update.go
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@ -420,7 +420,7 @@ func parseReleaseData(data string) (sha256Sum []byte, releaseTime time.Time, rel
func getUpdateTransport(timeout time.Duration) http.RoundTripper {
var updateTransport http.RoundTripper = &http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: xhttp.NewCustomDialContext(timeout, globalTCPOptions),
DialContext: xhttp.NewInternodeDialContext(timeout, globalTCPOptions),
IdleConnTimeout: timeout,
TLSHandshakeTimeout: timeout,
ExpectContinueTimeout: timeout,

25
cmd/utils.go
View File

@ -26,7 +26,6 @@ import (
"errors"
"fmt"
"io"
"net"
"net/http"
"net/url"
"os"
@ -48,7 +47,6 @@ import (
"github.com/minio/minio/internal/config"
"github.com/minio/minio/internal/config/api"
xtls "github.com/minio/minio/internal/config/identity/tls"
"github.com/minio/minio/internal/deadlineconn"
"github.com/minio/minio/internal/fips"
"github.com/minio/minio/internal/handlers"
"github.com/minio/minio/internal/hash"
@ -636,7 +634,6 @@ const defaultDialTimeout = 5 * time.Second
// NewHTTPTransportWithTimeout allows setting a timeout.
func NewHTTPTransportWithTimeout(timeout time.Duration) *http.Transport {
return xhttp.ConnSettings{
DialContext: newCustomDialContext(),
LookupHost: globalDNSCache.LookupHost,
DialTimeout: defaultDialTimeout,
RootCAs: globalRootCAs,
@ -647,32 +644,10 @@ func NewHTTPTransportWithTimeout(timeout time.Duration) *http.Transport {
}.NewHTTPTransportWithTimeout(timeout)
}
// newCustomDialContext setups a custom dialer for any external communication and proxies.
func newCustomDialContext() xhttp.DialContext {
return func(ctx context.Context, network, addr string) (net.Conn, error) {
dialer := &net.Dialer{
Timeout: 15 * time.Second,
KeepAlive: 30 * time.Second,
}
conn, err := dialer.DialContext(ctx, network, addr)
if err != nil {
return nil, err
}
dconn := deadlineconn.New(conn).
WithReadDeadline(globalConnReadDeadline).
WithWriteDeadline(globalConnWriteDeadline)
return dconn, nil
}
}
// NewRemoteTargetHTTPTransport returns a new http configuration
// used while communicating with the remote replication targets.
func NewRemoteTargetHTTPTransport(insecure bool) func() *http.Transport {
return xhttp.ConnSettings{
DialContext: newCustomDialContext(),
LookupHost: globalDNSCache.LookupHost,
RootCAs: globalRootCAs,
CipherSuites: fips.TLSCiphersBackwardCompatible(),

45
internal/http/dial_linux.go
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@ -39,9 +39,16 @@ func setTCPParametersFn(opts TCPOptions) func(network, address string, c syscall
_ = unix.SetsockoptInt(fd, unix.SOL_SOCKET, unix.SO_REUSEPORT, 1)
{
// Enable big buffers
_ = unix.SetsockoptInt(fd, unix.SOL_SOCKET, unix.SO_SNDBUF, opts.SendBufSize)
_ = unix.SetsockoptInt(fd, unix.SOL_SOCKET, unix.SO_RCVBUF, opts.RecvBufSize)
}
// Enable TCP open
// https://lwn.net/Articles/508865/ - 16k queue size.
_ = syscall.SetsockoptInt(fd, syscall.SOL_TCP, unix.TCP_FASTOPEN, 16*1024)
// https://lwn.net/Articles/508865/ - 32k queue size.
_ = syscall.SetsockoptInt(fd, syscall.SOL_TCP, unix.TCP_FASTOPEN, 32*1024)
// Enable TCP fast connect
// TCPFastOpenConnect sets the underlying socket to use
@ -53,17 +60,22 @@ func setTCPParametersFn(opts TCPOptions) func(network, address string, c syscall
// "Set TCP_QUICKACK. If you find a case where that makes things worse, let me know."
_ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, unix.TCP_QUICKACK, 1)
// The time (in seconds) the connection needs to remain idle before
// TCP starts sending keepalive probes
_ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, syscall.TCP_KEEPIDLE, 15)
/// Enable keep-alive
{
_ = unix.SetsockoptInt(fd, unix.SOL_SOCKET, unix.SO_KEEPALIVE, 1)
// Number of probes.
// ~ cat /proc/sys/net/ipv4/tcp_keepalive_probes (defaults to 9, we reduce it to 5)
_ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, syscall.TCP_KEEPCNT, 5)
// The time (in seconds) the connection needs to remain idle before
// TCP starts sending keepalive probes
_ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, syscall.TCP_KEEPIDLE, 15)
// Wait time after successful probe in seconds.
// ~ cat /proc/sys/net/ipv4/tcp_keepalive_intvl (defaults to 75 secs, we reduce it to 15 secs)
_ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, syscall.TCP_KEEPINTVL, 15)
// Number of probes.
// ~ cat /proc/sys/net/ipv4/tcp_keepalive_probes (defaults to 9, we reduce it to 5)
_ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, syscall.TCP_KEEPCNT, 5)
// Wait time after successful probe in seconds.
// ~ cat /proc/sys/net/ipv4/tcp_keepalive_intvl (defaults to 75 secs, we reduce it to 15 secs)
_ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, syscall.TCP_KEEPINTVL, 15)
}
// Set tcp user timeout in addition to the keep-alive - tcp-keepalive is not enough to close a socket
// with dead end because tcp-keepalive is not fired when there is data in the socket buffer.
@ -100,14 +112,3 @@ func NewInternodeDialContext(dialTimeout time.Duration, opts TCPOptions) DialCon
return dialer.DialContext(ctx, network, addr)
}
}
// NewCustomDialContext setups a custom dialer for any external communication and proxies.
func NewCustomDialContext(dialTimeout time.Duration, opts TCPOptions) DialContext {
return func(ctx context.Context, network, addr string) (net.Conn, error) {
dialer := &net.Dialer{
Timeout: dialTimeout,
Control: setTCPParametersFn(opts),
}
return dialer.DialContext(ctx, network, addr)
}
}

7
internal/http/dial_others.go
View File

@ -39,11 +39,8 @@ func setTCPParametersFn(opts TCPOptions) func(network, address string, c syscall
// DialContext is a function to make custom Dial for internode communications
type DialContext func(ctx context.Context, network, address string) (net.Conn, error)
// NewInternodeDialContext setups a custom dialer for internode communication
var NewInternodeDialContext = NewCustomDialContext
// NewCustomDialContext configures a custom dialer for internode communications
func NewCustomDialContext(dialTimeout time.Duration, _ TCPOptions) DialContext {
// NewInternodeDialContext configures a custom dialer for internode communications
func NewInternodeDialContext(dialTimeout time.Duration, _ TCPOptions) DialContext {
return func(ctx context.Context, network, addr string) (net.Conn, error) {
dialer := &net.Dialer{
Timeout: dialTimeout,

82
internal/http/listener.go
View File

@ -35,11 +35,11 @@ type acceptResult struct {
// httpListener - HTTP listener capable of handling multiple server addresses.
type httpListener struct {
opts TCPOptions
tcpListeners []*net.TCPListener // underlying TCP listeners.
acceptCh chan acceptResult // channel where all TCP listeners write accepted connection.
ctx context.Context
ctxCanceler context.CancelFunc
opts TCPOptions
listeners []net.Listener // underlying TCP listeners.
acceptCh chan acceptResult // channel where all TCP listeners write accepted connection.
ctx context.Context
ctxCanceler context.CancelFunc
}
// start - starts separate goroutine for each TCP listener. A valid new connection is passed to httpListener.acceptCh.
@ -57,18 +57,15 @@ func (listener *httpListener) start() {
}
// Closure to handle TCPListener until done channel is closed.
handleListener := func(idx int, tcpListener *net.TCPListener) {
handleListener := func(idx int, listener net.Listener) {
for {
tcpConn, err := tcpListener.AcceptTCP()
if tcpConn != nil {
tcpConn.SetKeepAlive(true)
}
send(acceptResult{tcpConn, err, idx})
conn, err := listener.Accept()
send(acceptResult{conn, err, idx})
}
}
// Start separate goroutine for each TCP listener to handle connection.
for idx, tcpListener := range listener.tcpListeners {
for idx, tcpListener := range listener.listeners {
go handleListener(idx, tcpListener)
}
}
@ -91,8 +88,8 @@ func (listener *httpListener) Accept() (conn net.Conn, err error) {
func (listener *httpListener) Close() (err error) {
listener.ctxCanceler()
for i := range listener.tcpListeners {
listener.tcpListeners[i].Close()
for i := range listener.listeners {
listener.listeners[i].Close()
}
return nil
@ -100,8 +97,8 @@ func (listener *httpListener) Close() (err error) {
// Addr - net.Listener interface compatible method returns net.Addr. In case of multiple TCP listeners, it returns '0.0.0.0' as IP address.
func (listener *httpListener) Addr() (addr net.Addr) {
addr = listener.tcpListeners[0].Addr()
if len(listener.tcpListeners) == 1 {
addr = listener.listeners[0].Addr()
if len(listener.listeners) == 1 {
return addr
}
@ -116,8 +113,8 @@ func (listener *httpListener) Addr() (addr net.Addr) {
// Addrs - returns all address information of TCP listeners.
func (listener *httpListener) Addrs() (addrs []net.Addr) {
for i := range listener.tcpListeners {
addrs = append(addrs, listener.tcpListeners[i].Addr())
for i := range listener.listeners {
addrs = append(addrs, listener.listeners[i].Addr())
}
return addrs
@ -125,11 +122,16 @@ func (listener *httpListener) Addrs() (addrs []net.Addr) {
// TCPOptions specify customizable TCP optimizations on raw socket
type TCPOptions struct {
UserTimeout int // this value is expected to be in milliseconds
ClientReadTimeout time.Duration // When the net.Conn is idle for more than ReadTimeout duration, we close the connection on the client proactively.
ClientWriteTimeout time.Duration // When the net.Conn is idle for more than WriteTimeout duration, we close the connection on the client proactively.
Interface string // this is a VRF device passed via `--interface` flag
Trace func(msg string) // Trace when starting.
UserTimeout int // this value is expected to be in milliseconds
// When the net.Conn is idle for more than ReadTimeout duration, we close the connection on the client proactively.
ClientReadTimeout time.Duration
// When the net.Conn is idle for more than WriteTimeout duration, we close the connection on the client proactively.
ClientWriteTimeout time.Duration
SendBufSize int // SO_SNDBUF size for the socket connection, NOTE: this sets server and client connection
RecvBufSize int // SO_RECVBUF size for the socket connection, NOTE: this sets server and client connection
Interface string // This is a VRF device passed via `--interface` flag
Trace func(msg string) // Trace when starting.
}
// newHTTPListener - creates new httpListener object which is interface compatible to net.Listener.
@ -137,7 +139,7 @@ type TCPOptions struct {
// * listen to multiple addresses
// * controls incoming connections only doing HTTP protocol
func newHTTPListener(ctx context.Context, serverAddrs []string, opts TCPOptions) (listener *httpListener, listenErrs []error) {
tcpListeners := make([]*net.TCPListener, 0, len(serverAddrs))
listeners := make([]net.Listener, 0, len(serverAddrs))
listenErrs = make([]error, len(serverAddrs))
// Unix listener with special TCP options.
@ -146,46 +148,36 @@ func newHTTPListener(ctx context.Context, serverAddrs []string, opts TCPOptions)
}
for i, serverAddr := range serverAddrs {
var (
l net.Listener
e error
)
if l, e = listenCfg.Listen(ctx, "tcp", serverAddr); e != nil {
l, e := listenCfg.Listen(ctx, "tcp", serverAddr)
if e != nil {
if opts.Trace != nil {
opts.Trace(fmt.Sprint("listenCfg.Listen: ", e.Error()))
opts.Trace(fmt.Sprint("listenCfg.Listen: ", e))
}
listenErrs[i] = e
continue
}
tcpListener, ok := l.(*net.TCPListener)
if !ok {
listenErrs[i] = fmt.Errorf("unexpected listener type found %v, expected net.TCPListener", l)
if opts.Trace != nil {
opts.Trace(fmt.Sprint("net.TCPListener: ", listenErrs[i].Error()))
}
continue
}
if opts.Trace != nil {
opts.Trace(fmt.Sprint("adding listener to ", tcpListener.Addr()))
opts.Trace(fmt.Sprint("adding listener to ", l.Addr()))
}
tcpListeners = append(tcpListeners, tcpListener)
listeners = append(listeners, l)
}
if len(tcpListeners) == 0 {
if len(listeners) == 0 {
// No listeners initialized, no need to continue
return
}
listener = &httpListener{
tcpListeners: tcpListeners,
acceptCh: make(chan acceptResult, len(tcpListeners)),
opts: opts,
listeners: listeners,
acceptCh: make(chan acceptResult, len(listeners)),
opts: opts,
}
listener.ctx, listener.ctxCanceler = context.WithCancel(ctx)
if opts.Trace != nil {
opts.Trace(fmt.Sprint("opening ", len(listener.tcpListeners), " listeners"))
opts.Trace(fmt.Sprint("opening ", len(listener.listeners), " listeners"))
}
listener.start()

4
internal/http/transports.go
View File

@ -72,8 +72,8 @@ func (s ConnSettings) getDefaultTransport(maxIdleConnsPerHost int) *http.Transpo
Proxy: http.ProxyFromEnvironment,
DialContext: dialContext,
MaxIdleConnsPerHost: maxIdleConnsPerHost,
WriteBufferSize: 32 << 10, // 32KiB moving up from 4KiB default
ReadBufferSize: 32 << 10, // 32KiB moving up from 4KiB default
WriteBufferSize: 64 << 10, // 64KiB moving up from 4KiB default
ReadBufferSize: 64 << 10, // 64KiB moving up from 4KiB default
IdleConnTimeout: 15 * time.Second,
ResponseHeaderTimeout: 15 * time.Minute, // Conservative timeout is the default (for MinIO internode)
TLSHandshakeTimeout: 10 * time.Second,