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Support HTTP/2.0 (#7204)

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Fixes #6704
master
Harshavardhana 6 years ago committed by kannappanr
parent 8a405cab2f
commit 396d78352d
13 changed files with 117 additions and 635 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 42
      cmd/http-stats.go
  2. 37
      cmd/http/bufconn.go
  3. 2
      cmd/http/bufconn_test.go
  4. 145
      cmd/http/listener.go
  5. 393
      cmd/http/listener_test.go
  6. 29
      cmd/http/server.go
  7. 2
      cmd/object-api-common.go
  8. 18
      cmd/rest/client.go
  9. 7
      cmd/rpc.go
  10. 53
      cmd/rpc/client.go
  11. 5
      cmd/rpc/client_test.go
  12. 14
      cmd/storage-rest-client.go
  13. 5
      cmd/storage-rest_test.go

42
cmd/http-stats.go
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@ -19,58 +19,28 @@ package cmd
import (
"fmt"
"net/http"
"strings"
"time"
"github.com/prometheus/client_golang/prometheus"
"go.uber.org/atomic"
)
func getRequestResource(r *http.Request) string {
if r == nil {
// http.Request is nil when non-HTTP data (like TLS record) is read/written.
return ""
}
if globalDomainName != "" {
host := r.Header.Get("Host")
if strings.HasSuffix(host, "."+globalDomainName) {
return "/" + strings.TrimSuffix(host, "."+globalDomainName) + r.URL.Path
}
}
return r.URL.Path
}
// ConnStats - Network statistics
// Count total input/output transferred bytes during
// the server's life.
type ConnStats struct {
totalInputBytes atomic.Uint64
totalOutputBytes atomic.Uint64
totalRPCInputBytes atomic.Uint64
totalRPCOutputBytes atomic.Uint64
totalInputBytes atomic.Uint64
totalOutputBytes atomic.Uint64
}
// Increase total input bytes
func (s *ConnStats) incInputBytes(r *http.Request, n int) {
resource := getRequestResource(r)
if resource == minioReservedBucketPath || strings.HasPrefix(resource, minioReservedBucketPath+"/") {
s.totalRPCInputBytes.Add(uint64(n))
} else {
s.totalInputBytes.Add(uint64(n))
}
func (s *ConnStats) incInputBytes(n int) {
s.totalInputBytes.Add(uint64(n))
}
// Increase total output bytes
func (s *ConnStats) incOutputBytes(r *http.Request, n int) {
resource := getRequestResource(r)
if resource == minioReservedBucketPath || strings.HasPrefix(resource, minioReservedBucketPath+"/") {
s.totalRPCOutputBytes.Add(uint64(n))
} else {
s.totalOutputBytes.Add(uint64(n))
}
func (s *ConnStats) incOutputBytes(n int) {
s.totalOutputBytes.Add(uint64(n))
}
// Return total input bytes

37
cmd/http/bufconn.go
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@ -19,28 +19,17 @@ package http
import (
"bufio"
"net"
"net/http"
"time"
)
// BufConn - is a generic stream-oriented network connection supporting buffered reader and read/write timeout.
type BufConn struct {
QuirkConn
bufReader *bufio.Reader // buffered reader wraps reader in net.Conn.
readTimeout time.Duration // sets the read timeout in the connection.
writeTimeout time.Duration // sets the write timeout in the connection.
request *http.Request // HTTP request information.
updateBytesReadFunc func(*http.Request, int) // function to be called to update bytes read.
updateBytesWrittenFunc func(*http.Request, int) // function to be called to update bytes written.
}
func (c *BufConn) setRequest(request *http.Request) {
c.request = request
}
func (c *BufConn) setUpdateFuncs(updateBytesReadFunc, updateBytesWrittenFunc func(*http.Request, int)) {
c.updateBytesReadFunc = updateBytesReadFunc
c.updateBytesWrittenFunc = updateBytesWrittenFunc
bufReader *bufio.Reader // buffered reader wraps reader in net.Conn.
readTimeout time.Duration // sets the read timeout in the connection.
writeTimeout time.Duration // sets the write timeout in the connection.
updateBytesReadFunc func(int) // function to be called to update bytes read.
updateBytesWrittenFunc func(int) // function to be called to update bytes written.
}
// Sets read timeout
@ -81,7 +70,7 @@ func (c *BufConn) Read(b []byte) (n int, err error) {
c.setReadTimeout()
n, err = c.bufReader.Read(b)
if err == nil && c.updateBytesReadFunc != nil {
c.updateBytesReadFunc(c.request, n)
c.updateBytesReadFunc(n)
}
return n, err
@ -92,18 +81,20 @@ func (c *BufConn) Write(b []byte) (n int, err error) {
c.setWriteTimeout()
n, err = c.Conn.Write(b)
if err == nil && c.updateBytesWrittenFunc != nil {
c.updateBytesWrittenFunc(c.request, n)
c.updateBytesWrittenFunc(n)
}
return n, err
}
// newBufConn - creates a new connection object wrapping net.Conn.
func newBufConn(c net.Conn, readTimeout, writeTimeout time.Duration, maxHeaderBytes int) *BufConn {
func newBufConn(c net.Conn, readTimeout, writeTimeout time.Duration, maxHeaderBytes int, updateBytesReadFunc, updateBytesWrittenFunc func(int)) *BufConn {
return &BufConn{
QuirkConn: QuirkConn{Conn: c},
bufReader: bufio.NewReaderSize(c, maxHeaderBytes),
readTimeout: readTimeout,
writeTimeout: writeTimeout,
QuirkConn: QuirkConn{Conn: c},
bufReader: bufio.NewReaderSize(c, maxHeaderBytes),
readTimeout: readTimeout,
writeTimeout: writeTimeout,
updateBytesReadFunc: updateBytesReadFunc,
updateBytesWrittenFunc: updateBytesWrittenFunc,
}
}

2
cmd/http/bufconn_test.go
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@ -49,7 +49,7 @@ func TestBuffConnReadTimeout(t *testing.T) {
t.Errorf("failed to accept new connection. %v", terr)
return
}
bufconn := newBufConn(tcpConn, 1*time.Second, 1*time.Second, 4096)
bufconn := newBufConn(tcpConn, 1*time.Second, 1*time.Second, 4096, nil, nil)
defer bufconn.Close()
// Read a line

145
cmd/http/listener.go
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@ -23,9 +23,7 @@ import (
"io"
"net"
"net/http"
"net/url"
"os"
"strings"
"sync"
"syscall"
"time"
@ -33,9 +31,7 @@ import (
"github.com/minio/minio/cmd/logger"
)
var sslRequiredErrMsg = []byte("HTTP/1.0 403 Forbidden\r\n\r\nSSL required")
var badRequestMsg = []byte("HTTP/1.0 400 Bad Request\r\n\r\n")
var sslRequiredErrMsg = []byte("HTTP/1.1 403 Forbidden\r\n\r\nSSL required")
// HTTP methods.
var methods = []string{
@ -51,30 +47,6 @@ var methods = []string{
"PRI", // HTTP 2 method
}
// maximum length of above methods + one space.
var methodMaxLen = getMethodMaxLen() + 1
func getMethodMaxLen() int {
maxLen := 0
for _, method := range methods {
if len(method) > maxLen {
maxLen = len(method)
}
}
return maxLen
}
func isHTTPMethod(s string) bool {
for _, method := range methods {
if s == method {
return true
}
}
return false
}
func getPlainText(bufConn *BufConn) (bool, error) {
defer bufConn.setReadTimeout()
@ -95,66 +67,6 @@ func getPlainText(bufConn *BufConn) (bool, error) {
return false, nil
}
func getMethodResourceHost(bufConn *BufConn, maxHeaderBytes int) (method string, resource string, host string, err error) {
defer bufConn.setReadTimeout()
var data []byte
for dataLen := 1; dataLen < maxHeaderBytes; dataLen++ {
if bufConn.canSetReadDeadline() {
// Set deadline such that we close the connection quickly
// of no data was received from the Peek()
bufConn.SetReadDeadline(time.Now().UTC().Add(time.Second * 3))
}
data, err = bufConn.bufReader.Peek(dataLen)
if err != nil {
return "", "", "", err
}
tokens := strings.Split(string(data), "\n")
if len(tokens) < 2 {
continue
}
if method == "" && resource == "" {
if i := strings.IndexByte(tokens[0], ' '); i == -1 {
return "", "", "", fmt.Errorf("malformed HTTP request from '%s'", bufConn.LocalAddr())
}
httpTokens := strings.SplitN(tokens[0], " ", 3)
if len(httpTokens) < 3 {
return "", "", "", fmt.Errorf("malformed HTTP request from '%s'", bufConn.LocalAddr())
}
if !isHTTPMethod(httpTokens[0]) {
return "", "", "", fmt.Errorf("malformed HTTP request, invalid HTTP method '%s' from '%s'",
httpTokens[0], bufConn.LocalAddr())
}
method = httpTokens[0]
resource = httpTokens[1]
}
for _, token := range tokens[1:] {
if token == "" || !strings.HasSuffix(token, "\r") {
continue
}
// HTTP headers are case insensitive, so we should simply convert
// each tokens to their lower case form to match 'host' header.
token = strings.ToLower(token)
if strings.HasPrefix(token, "host:") {
host = strings.TrimPrefix(strings.TrimSuffix(token, "\r"), "host:")
return method, resource, host, nil
}
}
if tokens[len(tokens)-1] == "\r" {
break
}
}
return "", "", "", fmt.Errorf("malformed HTTP request from %s", bufConn.LocalAddr())
}
type acceptResult struct {
conn net.Conn
err error
@ -171,8 +83,8 @@ type httpListener struct {
readTimeout time.Duration
writeTimeout time.Duration
maxHeaderBytes int
updateBytesReadFunc func(*http.Request, int) // function to be called to update bytes read in BufConn.
updateBytesWrittenFunc func(*http.Request, int) // function to be called to update bytes written in BufConn.
updateBytesReadFunc func(int) // function to be called to update bytes read in BufConn.
updateBytesWrittenFunc func(int) // function to be called to update bytes written in BufConn.
}
// isRoutineNetErr returns true if error is due to a network timeout,
@ -222,7 +134,8 @@ func (listener *httpListener) start() {
tcpConn.SetKeepAlive(true)
tcpConn.SetKeepAlivePeriod(listener.tcpKeepAliveTimeout)
bufconn := newBufConn(tcpConn, listener.readTimeout, listener.writeTimeout, listener.maxHeaderBytes)
bufconn := newBufConn(tcpConn, listener.readTimeout, listener.writeTimeout, listener.maxHeaderBytes,
listener.updateBytesReadFunc, listener.updateBytesWrittenFunc)
if listener.tlsConfig != nil {
ok, err := getPlainText(bufconn)
if err != nil {
@ -248,51 +161,7 @@ func (listener *httpListener) start() {
bufconn.Close()
return
}
// As the listener is configured with TLS, try to do TLS handshake, drop the connection if it fails.
tlsConn := tls.Server(bufconn, listener.tlsConfig)
if err := tlsConn.Handshake(); err != nil {
reqInfo := (&logger.ReqInfo{}).AppendTags("remoteAddr", bufconn.RemoteAddr().String())
reqInfo.AppendTags("localAddr", bufconn.LocalAddr().String())
ctx := logger.SetReqInfo(context.Background(), reqInfo)
logger.LogIf(ctx, err)
bufconn.Close()
return
}
bufconn = newBufConn(tlsConn, listener.readTimeout, listener.writeTimeout, listener.maxHeaderBytes)
}
method, resource, host, err := getMethodResourceHost(bufconn, listener.maxHeaderBytes)
if err != nil {
// Peek could fail legitimately when clients abruptly close
// connection. E.g. Chrome browser opens connections speculatively to
// speed up loading of a web page. Peek may also fail due to network
// saturation on a transport with read timeout set. All other kind of
// errors should be logged for further investigation. Thanks @brendanashworth.
if !isRoutineNetErr(err) {
reqInfo := (&logger.ReqInfo{}).AppendTags("remoteAddr", bufconn.RemoteAddr().String())
reqInfo.AppendTags("localAddr", bufconn.LocalAddr().String())
ctx := logger.SetReqInfo(context.Background(), reqInfo)
logger.LogIf(ctx, err)
bufconn.Write(badRequestMsg)
}
bufconn.Close()
return
}
header := make(http.Header)
if host != "" {
header.Add("Host", host)
}
bufconn.setRequest(&http.Request{
Method: method,
URL: &url.URL{Path: resource},
Host: bufconn.LocalAddr().String(),
Header: header,
})
bufconn.setUpdateFuncs(listener.updateBytesReadFunc, listener.updateBytesWrittenFunc)
send(acceptResult{bufconn, nil}, doneCh)
}
@ -380,8 +249,8 @@ func newHTTPListener(serverAddrs []string,
readTimeout time.Duration,
writeTimeout time.Duration,
maxHeaderBytes int,
updateBytesReadFunc func(*http.Request, int),
updateBytesWrittenFunc func(*http.Request, int)) (listener *httpListener, err error) {
updateBytesReadFunc func(int),
updateBytesWrittenFunc func(int)) (listener *httpListener, err error) {
var tcpListeners []*net.TCPListener

393
cmd/http/listener_test.go
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@ -17,17 +17,14 @@
package http
import (
"bufio"
"bytes"
"crypto/tls"
"errors"
"fmt"
"io"
"net"
"net/http"
"strconv"
"strings"
"sync"
"sync/atomic"
"testing"
"time"
@ -156,43 +153,6 @@ func getNonLoopBackIP(t *testing.T) string {
return nonLoopBackIP
}
// Test getMethodMaxLen()
func TestGetMethodMaxLen(t *testing.T) {
l := getMethodMaxLen()
if l != (methodMaxLen - 1) {
t.Fatalf("expected: %v, got: %v", (methodMaxLen - 1), l)
}
}
// Test isHTTPMethod()
func TestIsHTTPMethod(t *testing.T) {
testCases := []struct {
method string
expectedResult bool
}{
{"", false},
{"get", false},
{"put", false},
{"UPLOAD", false},
{"OPTIONS", true},
{"GET", true},
{"HEAD", true},
{"POST", true},
{"PUT", true},
{"DELETE", true},
{"TRACE", true},
{"CONNECT", true},
{"PRI", true},
}
for _, testCase := range testCases {
result := isHTTPMethod(testCase.method)
if result != testCase.expectedResult {
t.Fatalf("expected: %v, got: %v", testCase.expectedResult, result)
}
}
}
func TestNewHTTPListener(t *testing.T) {
tlsConfig := getTLSConfig(t)
@ -202,8 +162,8 @@ func TestNewHTTPListener(t *testing.T) {
tcpKeepAliveTimeout time.Duration
readTimeout time.Duration
writeTimeout time.Duration
updateBytesReadFunc func(*http.Request, int)
updateBytesWrittenFunc func(*http.Request, int)
updateBytesReadFunc func(int)
updateBytesWrittenFunc func(int)
expectedErr bool
}{
{[]string{"93.184.216.34:65432"}, nil, time.Duration(0), time.Duration(0), time.Duration(0), nil, nil, true},
@ -266,8 +226,7 @@ func TestHTTPListenerStartClose(t *testing.T) {
time.Duration(0),
time.Duration(0),
DefaultMaxHeaderBytes,
nil,
nil,
nil, nil,
)
if err != nil {
t.Fatalf("Test %d: error: expected = <nil>, got = %v", i+1, err)
@ -314,8 +273,7 @@ func TestHTTPListenerAddr(t *testing.T) {
time.Duration(0),
time.Duration(0),
DefaultMaxHeaderBytes,
nil,
nil,
nil, nil,
)
if err != nil {
t.Fatalf("Test %d: error: expected = <nil>, got = %v", i+1, err)
@ -359,8 +317,7 @@ func TestHTTPListenerAddrs(t *testing.T) {
time.Duration(0),
time.Duration(0),
DefaultMaxHeaderBytes,
nil,
nil,
nil, nil,
)
if err != nil {
t.Fatalf("Test %d: error: expected = <nil>, got = %v", i+1, err)
@ -380,149 +337,6 @@ func TestHTTPListenerAddrs(t *testing.T) {
}
}
func TestHTTPListenerAccept(t *testing.T) {
tlsConfig := getTLSConfig(t)
nonLoopBackIP := getNonLoopBackIP(t)
testCases := []struct {
serverAddrs []string
tlsConfig *tls.Config
request string
reply string
expectedRequestLine string
}{
{[]string{"localhost:0"}, nil, "GET / HTTP/1.0\r\nHost: example.org\r\n\r\n", "200 OK\r\n", "GET / HTTP/1.0\r\n"},
{[]string{nonLoopBackIP + ":0"}, nil, "POST / HTTP/1.0\r\nHost: example.org\r\n\r\n", "200 OK\r\n", "POST / HTTP/1.0\r\n"},
{[]string{nonLoopBackIP + ":0"}, nil, "HEAD / HTTP/1.0\r\nhost: example.org\r\n\r\n", "200 OK\r\n", "HEAD / HTTP/1.0\r\n"},
{[]string{"127.0.0.1:0", nonLoopBackIP + ":0"}, nil, "CONNECT / HTTP/1.0\r\nHost: www.example.org\r\n\r\n", "200 OK\r\n", "CONNECT / HTTP/1.0\r\n"},
{[]string{"localhost:0"}, tlsConfig, "GET / HTTP/1.0\r\nHost: example.org\r\n\r\n", "200 OK\r\n", "GET / HTTP/1.0\r\n"},
{[]string{nonLoopBackIP + ":0"}, tlsConfig, "POST / HTTP/1.0\r\nHost: example.org\r\n\r\n", "200 OK\r\n", "POST / HTTP/1.0\r\n"},
{[]string{nonLoopBackIP + ":0"}, tlsConfig, "HEAD / HTTP/1.0\r\nhost: example.org\r\n\r\n", "200 OK\r\n", "HEAD / HTTP/1.0\r\n"},
{[]string{"127.0.0.1:0", nonLoopBackIP + ":0"}, tlsConfig, "CONNECT / HTTP/1.0\r\nHost: www.example.org\r\n\r\n", "200 OK\r\n", "CONNECT / HTTP/1.0\r\n"},
}
for i, testCase := range testCases {
listener, err := newHTTPListener(
testCase.serverAddrs,
testCase.tlsConfig,
time.Duration(0),
time.Duration(0),
time.Duration(0),
DefaultMaxHeaderBytes,
nil,
nil,
)
if err != nil {
t.Fatalf("Test %d: error: expected = <nil>, got = %v", i+1, err)
}
for _, serverAddr := range listener.Addrs() {
var conn net.Conn
var err error
if testCase.tlsConfig == nil {
conn, err = net.Dial("tcp", serverAddr.String())
} else {
conn, err = tls.Dial("tcp", serverAddr.String(), &tls.Config{InsecureSkipVerify: true})
}
if err != nil {
t.Fatalf("Test %d: error: expected = <nil>, got = %v", i+1, err)
}
if _, err = io.WriteString(conn, testCase.request); err != nil {
t.Fatalf("Test %d: request send: expected = <nil>, got = %v", i+1, err)
}
serverConn, err := listener.Accept()
if err != nil {
t.Fatalf("Test %d: accept: expected = <nil>, got = %v", i+1, err)
}
requestLine, err := bufio.NewReader(serverConn).ReadString('\n')
if err != nil {
t.Fatalf("Test %d: request read: expected = <nil>, got = %v", i+1, err)
}
if requestLine != testCase.expectedRequestLine {
t.Fatalf("Test %d: request: expected = %v, got = %v", i+1, testCase.expectedRequestLine, requestLine)
}
if _, err = io.WriteString(serverConn, testCase.reply); err != nil {
t.Fatalf("Test %d: reply send: expected = <nil>, got = %v", i+1, err)
}
reply, err := bufio.NewReader(conn).ReadString('\n')
if err != nil {
t.Fatalf("Test %d: reply read: expected = <nil>, got = %v", i+1, err)
}
if testCase.reply != reply {
t.Fatalf("Test %d: reply: expected = %v, got = %v", i+1, testCase.reply, reply)
}
serverConn.Close()
conn.Close()
}
listener.Close()
}
}
func TestHTTPListenerAcceptPeekError(t *testing.T) {
tlsConfig := getTLSConfig(t)
nonLoopBackIP := getNonLoopBackIP(t)
testCases := []struct {
serverAddrs []string
tlsConfig *tls.Config
request string
}{
{[]string{"127.0.0.1:0", nonLoopBackIP + ":0"}, nil, "CONN"},
{[]string{"127.0.0.1:0", nonLoopBackIP + ":0"}, tlsConfig, "CONN"},
}
for i, testCase := range testCases {
listener, err := newHTTPListener(
testCase.serverAddrs,
testCase.tlsConfig,
time.Duration(0),
time.Duration(0),
time.Duration(0),
DefaultMaxHeaderBytes,
nil,
nil,
)
if err != nil {
t.Fatalf("Test %d: error: expected = <nil>, got = %v", i+1, err)
}
go func() {
serverConn, aerr := listener.Accept()
if aerr == nil {
fail(t, "Test %d: accept: expected = <error>, got = <nil>", i+1)
}
if serverConn != nil {
fail(t, "Test %d: accept: server expected = <nil>, got = %v", i+1, serverConn)
}
}()
for _, serverAddr := range listener.Addrs() {
conn, err := net.Dial("tcp", serverAddr.String())
if err != nil {
t.Fatalf("Test %d: error: expected = <nil>, got = %v", i+1, err)
}
if _, err = io.WriteString(conn, testCase.request); err != nil {
t.Fatalf("Test %d: request send: expected = <nil>, got = %v", i+1, err)
}
conn.Close()
}
listener.Close()
}
}
func TestHTTPListenerAcceptTLSError(t *testing.T) {
tlsConfig := getTLSConfig(t)
nonLoopBackIP := getNonLoopBackIP(t)
@ -543,8 +357,7 @@ func TestHTTPListenerAcceptTLSError(t *testing.T) {
time.Duration(0),
time.Duration(0),
DefaultMaxHeaderBytes,
nil,
nil,
nil, nil,
)
if err != nil {
t.Fatalf("Test %d: error: expected = <nil>, got = %v", i+1, err)
@ -587,200 +400,6 @@ func TestHTTPListenerAcceptTLSError(t *testing.T) {
}
}
func TestHTTPListenerAcceptError(t *testing.T) {
tlsConfig := getTLSConfig(t)
nonLoopBackIP := getNonLoopBackIP(t)
testCases := []struct {
serverAddrs []string
tlsConfig *tls.Config
secureClient bool
request string
}{
{[]string{"127.0.0.1:0", nonLoopBackIP + ":0"}, nil, false, "CONNECTION"},
{[]string{"127.0.0.1:0", nonLoopBackIP + ":0"}, tlsConfig, false, "CONNECTION"},
{[]string{"127.0.0.1:0", nonLoopBackIP + ":0"}, tlsConfig, true, "CONNECTION"},
}
for i, testCase := range testCases {
listener, err := newHTTPListener(
testCase.serverAddrs,
testCase.tlsConfig,
time.Duration(0),
time.Duration(0),
time.Duration(0),
DefaultMaxHeaderBytes,
nil,
nil,
)
if err != nil {
t.Fatalf("Test %d: error: expected = <nil>, got = %v", i+1, err)
}
for _, serverAddr := range listener.Addrs() {
var conn net.Conn
var err error
if testCase.secureClient {
conn, err = tls.Dial("tcp", serverAddr.String(), &tls.Config{InsecureSkipVerify: true})
} else {
conn, err = net.Dial("tcp", serverAddr.String())
}
if err != nil {
t.Fatalf("Test %d: error: expected = <nil>, got = %v", i+1, err)
}
if _, err = io.WriteString(conn, testCase.request); err != nil {
t.Fatalf("Test %d: request send: expected = <nil>, got = %v", i+1, err)
}
go func() {
serverConn, aerr := listener.Accept()
if aerr == nil {
fail(t, "Test %d: accept: expected = <error>, got = <nil>", i+1)
}
if serverConn != nil {
fail(t, "Test %d: accept: server expected = <nil>, got = %v", i+1, serverConn)
}
}()
if !testCase.secureClient && testCase.tlsConfig != nil {
buf := make([]byte, len(sslRequiredErrMsg))
var n int
n, err = io.ReadFull(conn, buf)
if err != nil {
t.Fatalf("Test %d: reply read: expected = <nil> got = %v", i+1, err)
} else if n != len(buf) {
t.Fatalf("Test %d: reply length: expected = %v got = %v", i+1, len(buf), n)
} else if !bytes.Equal(buf, sslRequiredErrMsg) {
t.Fatalf("Test %d: reply: expected = %v got = %v", i+1, string(sslRequiredErrMsg), string(buf))
}
continue
}
if _, err = bufio.NewReader(conn).ReadString('\n'); err != io.EOF {
t.Errorf("Test %d: reply read: expected = io.EOF, got = %s", i+1, err)
}
conn.Close()
}
listener.Close()
}
}
func TestHTTPListenerAcceptParallel(t *testing.T) {
tlsConfig := getTLSConfig(t)
nonLoopBackIP := getNonLoopBackIP(t)
testCases := []struct {
serverAddrs []string
tlsConfig *tls.Config
reply string
}{
{[]string{"127.0.0.1:0", nonLoopBackIP + ":0"}, nil, "200 OK\n"},
{[]string{"127.0.0.1:0", nonLoopBackIP + ":0"}, tlsConfig, "200 OK\n"},
}
connect := func(i int, serverAddr string, secure bool, delay bool, request, reply string) {
var conn net.Conn
var err error
if secure {
conn, err = tls.Dial("tcp", serverAddr, &tls.Config{InsecureSkipVerify: true})
} else {
conn, err = net.Dial("tcp", serverAddr)
}
if err != nil {
fail(t, "Test %d: error: expected = <nil>, got = %v", i+1, err)
}
if delay {
if _, err = io.WriteString(conn, request[:3]); err != nil {
fail(t, "Test %d: request send: expected = <nil>, got = %v", i+1, err)
}
time.Sleep(1 * time.Second)
if _, err = io.WriteString(conn, request[3:]); err != nil {
fail(t, "Test %d: request send: expected = <nil>, got = %v", i+1, err)
}
} else {
if _, err = io.WriteString(conn, request); err != nil {
fail(t, "Test %d: request send: expected = <nil>, got = %v", i+1, err)
}
}
received, err := bufio.NewReader(conn).ReadString('\n')
if err != nil {
fail(t, "Test %d: reply read: expected = <nil>, got = %v", i+1, err)
}
if received != reply {
fail(t, "Test %d: reply: expected = %v, got = %v", i+1, reply, received)
}
conn.Close()
}
handleConnection := func(i int, wg *sync.WaitGroup, serverConn net.Conn, request, reply string) {
defer wg.Done()
received, err := bufio.NewReader(serverConn).ReadString('\n')
if err != nil {
fail(t, "Test %d: request read: expected = <nil>, got = %v", i+1, err)
}
if received != request {
fail(t, "Test %d: request: expected = %v, got = %v", i+1, request, received)
}
if _, err := io.WriteString(serverConn, reply); err != nil {
fail(t, "Test %d: reply send: expected = <nil>, got = %v", i+1, err)
}
serverConn.Close()
}
for i, testCase := range testCases {
listener, err := newHTTPListener(
testCase.serverAddrs,
testCase.tlsConfig,
time.Duration(0),
time.Duration(0),
time.Duration(0),
DefaultMaxHeaderBytes,
nil,
nil,
)
if err != nil {
t.Fatalf("Test %d: error: expected = <nil>, got = %v", i+1, err)
}
for _, serverAddr := range listener.Addrs() {
go connect(i, serverAddr.String(), testCase.tlsConfig != nil, true, "GET /1 HTTP/1.0\r\nHost: example.org\r\nr\n", testCase.reply)
go connect(i, serverAddr.String(), testCase.tlsConfig != nil, false, "GET /2 HTTP/1.0\r\nHost: example.org\r\n\r\n", testCase.reply)
var wg sync.WaitGroup
serverConn, err := listener.Accept()
if err != nil {
t.Fatalf("Test %d: accept: expected = <nil>, got = %v", i+1, err)
}
wg.Add(1)
go handleConnection(i, &wg, serverConn, "GET /2 HTTP/1.0\r\n", testCase.reply)
serverConn, err = listener.Accept()
if err != nil {
t.Fatalf("Test %d: accept: expected = <nil>, got = %v", i+1, err)
}
wg.Add(1)
go handleConnection(i, &wg, serverConn, "GET /1 HTTP/1.0\r\n", testCase.reply)
wg.Wait()
}
listener.Close()
}
}
type myTimeoutErr struct {
timeout bool
}

29
cmd/http/server.go
Unescape View File

@ -51,15 +51,15 @@ const (
// Server - extended http.Server supports multiple addresses to serve and enhanced connection handling.
type Server struct {
http.Server
Addrs []string // addresses on which the server listens for new connection.
ShutdownTimeout time.Duration // timeout used for graceful server shutdown.
TCPKeepAliveTimeout time.Duration // timeout used for underneath TCP connection.
UpdateBytesReadFunc func(*http.Request, int) // function to be called to update bytes read in bufConn.
UpdateBytesWrittenFunc func(*http.Request, int) // function to be called to update bytes written in bufConn.
listenerMutex *sync.Mutex // to guard 'listener' field.
listener *httpListener // HTTP listener for all 'Addrs' field.
inShutdown uint32 // indicates whether the server is in shutdown or not
requestCount int32 // counter holds no. of request in progress.
Addrs []string // addresses on which the server listens for new connection.
ShutdownTimeout time.Duration // timeout used for graceful server shutdown.
TCPKeepAliveTimeout time.Duration // timeout used for underneath TCP connection.
UpdateBytesReadFunc func(int) // function to be called to update bytes read in bufConn.
UpdateBytesWrittenFunc func(int) // function to be called to update bytes written in bufConn.
listenerMutex *sync.Mutex // to guard 'listener' field.
listener *httpListener // HTTP listener for all 'Addrs' field.
inShutdown uint32 // indicates whether the server is in shutdown or not
requestCount int32 // counter holds no. of request in progress.
}
// GetRequestCount - returns number of request in progress.
@ -80,8 +80,6 @@ func (srv *Server) Start() (err error) {
addrs := set.CreateStringSet(srv.Addrs...).ToSlice() // copy and remove duplicates
tcpKeepAliveTimeout := srv.TCPKeepAliveTimeout
updateBytesReadFunc := srv.UpdateBytesReadFunc
updateBytesWrittenFunc := srv.UpdateBytesWrittenFunc
// Create new HTTP listener.
var listener *httpListener
@ -92,8 +90,8 @@ func (srv *Server) Start() (err error) {
readTimeout,
writeTimeout,
srv.MaxHeaderBytes,
updateBytesReadFunc,
updateBytesWrittenFunc,
srv.UpdateBytesReadFunc,
srv.UpdateBytesWrittenFunc,
)
if err != nil {
return err
@ -121,6 +119,9 @@ func (srv *Server) Start() (err error) {
srv.listenerMutex.Unlock()
// Start servicing with listener.
if tlsConfig != nil {
return srv.Server.Serve(tls.NewListener(listener, tlsConfig))
}
return srv.Server.Serve(listener)
}
@ -192,7 +193,7 @@ func NewServer(addrs []string, handler http.Handler, getCert certs.GetCertificat
CipherSuites: defaultCipherSuites,
CurvePreferences: secureCurves,
MinVersion: tls.VersionTLS12,
NextProtos: []string{"http/1.1"},
NextProtos: []string{"h2", "http/1.1"},
}
tlsConfig.GetCertificate = getCert
}

2
cmd/object-api-common.go
Unescape View File

@ -100,7 +100,7 @@ func newStorageAPI(endpoint Endpoint) (storage StorageAPI, err error) {
return newPosix(endpoint.Path)
}
return newStorageRESTClient(endpoint), nil
return newStorageRESTClient(endpoint)
}
// Cleanup a directory recursively.

18
cmd/rest/client.go
Unescape View File

@ -28,6 +28,7 @@ import (
"time"
xhttp "github.com/minio/minio/cmd/http"
"golang.org/x/net/http2"
)
// DefaultRESTTimeout - default RPC timeout is one minute.
@ -95,7 +96,7 @@ func newCustomDialContext(timeout time.Duration) func(ctx context.Context, netwo
}
// NewClient - returns new REST client.
func NewClient(url *url.URL, tlsConfig *tls.Config, timeout time.Duration, newAuthToken func() string) *Client {
func NewClient(url *url.URL, tlsConfig *tls.Config, timeout time.Duration, newAuthToken func() string) (*Client, error) {
// Transport is exactly same as Go default in https://golang.org/pkg/net/http/#RoundTripper
// except custom DialContext and TLSClientConfig.
tr := &http.Transport{
@ -103,17 +104,22 @@ func NewClient(url *url.URL, tlsConfig *tls.Config, timeout time.Duration, newAu
DialContext: newCustomDialContext(timeout),
MaxIdleConnsPerHost: 4096,
MaxIdleConns: 4096,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 1 * time.Second,
IdleConnTimeout: 120 * time.Second,
TLSHandshakeTimeout: 30 * time.Second,
ExpectContinueTimeout: 10 * time.Second,
TLSClientConfig: tlsConfig,
DisableCompression: true,
}
if tlsConfig != nil {
// If TLS is enabled configure http2
if err := http2.ConfigureTransport(tr); err != nil {
return nil, err
}
}
return &Client{
httpClient: &http.Client{Transport: tr},
httpIdleConnsCloser: tr.CloseIdleConnections,
url: url,
newAuthToken: newAuthToken,
}
}, nil
}

7
cmd/rpc.go
Unescape View File

@ -268,9 +268,14 @@ func NewRPCClient(args RPCClientArgs) (*RPCClient, error) {
return nil, err
}
rpcClient, err := xrpc.NewClient(args.ServiceURL, args.TLSConfig, defaultRPCTimeout)
if err != nil {
return nil, err
}
return &RPCClient{
args: args,
authToken: args.NewAuthTokenFunc(),
rpcClient: xrpc.NewClient(args.ServiceURL, args.TLSConfig, defaultRPCTimeout),
rpcClient: rpcClient,
}, nil
}

53
cmd/rpc/client.go
Unescape View File

@ -29,6 +29,7 @@ import (
xhttp "github.com/minio/minio/cmd/http"
xnet "github.com/minio/minio/pkg/net"
"golang.org/x/net/http2"
)
// DefaultRPCTimeout - default RPC timeout is one minute.
@ -36,8 +37,9 @@ const DefaultRPCTimeout = 1 * time.Minute
// Client - http based RPC client.
type Client struct {
httpClient *http.Client
serviceURL *xnet.URL
httpClient *http.Client
httpIdleConnsCloser func()
serviceURL *xnet.URL
}
// Call - calls service method on RPC server.
@ -87,8 +89,11 @@ func (client *Client) Call(serviceMethod string, args, reply interface{}) error
return gobDecode(callResponse.ReplyBytes, reply)
}
// Close - does nothing and presents for interface compatibility.
// Close closes all idle connections of the underlying http client
func (client *Client) Close() error {
if client.httpIdleConnsCloser != nil {
client.httpIdleConnsCloser()
}
return nil
}
@ -110,23 +115,29 @@ func newCustomDialContext(timeout time.Duration) func(ctx context.Context, netwo
}
// NewClient - returns new RPC client.
func NewClient(serviceURL *xnet.URL, tlsConfig *tls.Config, timeout time.Duration) *Client {
return &Client{
httpClient: &http.Client{
// Transport is exactly same as Go default in https://golang.org/pkg/net/http/#RoundTripper
// except custom DialContext and TLSClientConfig.
Transport: &http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: newCustomDialContext(timeout),
MaxIdleConnsPerHost: 4096,
MaxIdleConns: 4096,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 1 * time.Second,
TLSClientConfig: tlsConfig,
DisableCompression: true,
},
},
serviceURL: serviceURL,
func NewClient(serviceURL *xnet.URL, tlsConfig *tls.Config, timeout time.Duration) (*Client, error) {
// Transport is exactly same as Go default in https://golang.org/pkg/net/http/#RoundTripper
// except custom DialContext and TLSClientConfig.
tr := &http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: newCustomDialContext(timeout),
MaxIdleConnsPerHost: 4096,
MaxIdleConns: 4096,
IdleConnTimeout: 120 * time.Second,
TLSHandshakeTimeout: 30 * time.Second,
ExpectContinueTimeout: 10 * time.Second,
TLSClientConfig: tlsConfig,
DisableCompression: true,
}
if tlsConfig != nil {
// If TLS is enabled configure http2
if err := http2.ConfigureTransport(tr); err != nil {
return nil, err
}
}
return &Client{
httpClient: &http.Client{Transport: tr},
httpIdleConnsCloser: tr.CloseIdleConnections,
serviceURL: serviceURL,
}, nil
}

5
cmd/rpc/client_test.go
Unescape View File

@ -39,7 +39,10 @@ func TestClientCall(t *testing.T) {
if err != nil {
t.Fatalf("unexpected error %v", err)
}
rpcClient := NewClient(url, nil, DefaultRPCTimeout)
rpcClient, err := NewClient(url, nil, DefaultRPCTimeout)
if err != nil {
t.Fatalf("NewClient initialization error %v", err)
}
var reply int
var boolReply bool

14
cmd/storage-rest-client.go
Unescape View File

@ -34,7 +34,6 @@ import (
"strings"
"github.com/minio/minio/cmd/http"
"github.com/minio/minio/cmd/logger"
"github.com/minio/minio/cmd/rest"
xnet "github.com/minio/minio/pkg/net"
)
@ -381,9 +380,11 @@ func (client *storageRESTClient) Close() error {
}
// Returns a storage rest client.
func newStorageRESTClient(endpoint Endpoint) *storageRESTClient {
func newStorageRESTClient(endpoint Endpoint) (*storageRESTClient, error) {
host, err := xnet.ParseHost(endpoint.Host)
logger.FatalIf(err, "Unable to parse storage Host")
if err != nil {
return nil, err
}
scheme := "http"
if globalIsSSL {
@ -404,8 +405,11 @@ func newStorageRESTClient(endpoint Endpoint) *storageRESTClient {
}
}
restClient := rest.NewClient(serverURL, tlsConfig, storageRESTTimeout, newAuthToken)
restClient, err := rest.NewClient(serverURL, tlsConfig, storageRESTTimeout, newAuthToken)
if err != nil {
return nil, err
}
client := &storageRESTClient{endpoint: endpoint, restClient: restClient, connected: true}
client.connected = client.getInstanceID() == nil
return client
return client, nil
}

5
cmd/storage-rest_test.go
Unescape View File

@ -509,7 +509,10 @@ func newStorageRESTHTTPServerClient(t *testing.T) (*httptest.Server, *storageRES
}
registerStorageRESTHandlers(router, EndpointList{endpoint})
restClient := newStorageRESTClient(endpoint)
restClient, err := newStorageRESTClient(endpoint)
if err != nil {
t.Fatalf("newStorageRESTClient failed for %v, with error %s", endpoint, err)
}
prevGlobalServerConfig := globalServerConfig
globalServerConfig = newServerConfig()

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