func matchHTTP2Field(r io.Reader, name, value string) (matched bool) {
if !hasHTTP2Preface(r) {
return false
}
framer := http2.NewFramer(ioutil.Discard, r)
hdec := hpack.NewDecoder(uint32(4<<10), func(hf hpack.HeaderField) {
if hf.Name == name && hf.Value == value {
matched = true
}
})
for {
f, err := framer.ReadFrame()
if err != nil {
return false
}
switch f := f.(type) {
case *http2.HeadersFrame:
if _, err := hdec.Write(f.HeaderBlockFragment()); err != nil {
return false
}
if matched {
return true
}
if f.FrameHeader.Flags&http2.FlagHeadersEndHeaders != 0 {
return false
}
}
}
}
func newFramer(conn net.Conn) *framer {
f := &framer{
reader: bufio.NewReaderSize(conn, http2IOBufSize),
writer: bufio.NewWriterSize(conn, http2IOBufSize),
}
f.fr = http2.NewFramer(f.writer, f.reader)
f.fr.ReadMetaHeaders = hpack.NewDecoder(http2InitHeaderTableSize, nil)
return f
}
func newHPACKDecoder() *hpackDecoder {
d := &hpackDecoder{}
d.h = hpack.NewDecoder(http2InitHeaderTableSize, func(f hpack.HeaderField) {
switch f.Name {
case "content-type":
// TODO(zhaoq): Tentatively disable the check until a bug is fixed.
/*
if !strings.Contains(f.Value, "application/grpc") {
d.err = StreamErrorf(codes.FailedPrecondition, "transport: received the unexpected header")
return
}
*/
case "grpc-status":
code, err := strconv.Atoi(f.Value)
if err != nil {
d.err = StreamErrorf(codes.Internal, "transport: malformed grpc-status: %v", err)
return
}
d.state.statusCode = codes.Code(code)
case "grpc-message":
d.state.statusDesc = f.Value
case "grpc-timeout":
d.state.timeoutSet = true
var err error
d.state.timeout, err = timeoutDecode(f.Value)
if err != nil {
d.err = StreamErrorf(codes.Internal, "transport: malformed time-out: %v", err)
return
}
case ":path":
d.state.method = f.Value
default:
if !isReservedHeader(f.Name) {
if f.Name == "user-agent" {
i := strings.LastIndex(f.Value, " ")
if i == -1 {
// There is no application user agent string being set.
return
}
// Extract the application user agent string.
f.Value = f.Value[:i]
}
if d.state.mdata == nil {
d.state.mdata = make(map[string][]string)
}
k, v, err := metadata.DecodeKeyValue(f.Name, f.Value)
if err != nil {
grpclog.Printf("Failed to decode (%q, %q): %v", f.Name, f.Value, err)
return
}
d.state.mdata[k] = append(d.state.mdata[k], v)
}
}
})
return d
}
func newHPACKDecoder() *hpackDecoder {
hpackDec := &hpackDecoder{}
hpackDec.reset()
hpackDec.decoder = hpack.NewDecoder(
http2InitHeaderTableSize, func(field hpack.HeaderField) {
key := strings.ToLower(field.Name)
hpackDec.headers[key] = append(
hpackDec.headers[key], field.Value)
})
return hpackDec
}
func newServerTesterFromConn(t testing.TB, cc io.ReadWriteCloser) *serverTester {
st := &serverTester{
t: t,
cc: cc,
frc: make(chan http2.Frame, 1),
frErrc: make(chan error, 1),
}
st.hpackEnc = hpack.NewEncoder(&st.headerBuf)
st.fr = http2.NewFramer(cc, cc)
st.fr.ReadMetaHeaders = hpack.NewDecoder(4096 /*initialHeaderTableSize*/, nil)
return st
}
func newFramer(conn net.Conn) *framer {
// 1. 首先: reader/writer 是对Conn做了一层buffer
f := &framer{
reader: bufio.NewReaderSize(conn, http2IOBufSize),
writer: bufio.NewWriterSize(conn, http2IOBufSize),
}
// 2. fr: 在buffer的基础上在做了http2的处理
f.fr = http2.NewFramer(f.writer, f.reader)
// 3.
f.fr.ReadMetaHeaders = hpack.NewDecoder(http2InitHeaderTableSize, nil)
return f
}
// readLoop runs in its own goroutine and reads and dispatches frames.
func (cc *ClientConn) readLoop() {
rl := &clientConnReadLoop{
cc: cc,
activeRes: make(map[uint32]*clientStream),
}
rl.hdec = hpack.NewDecoder(initialHeaderTableSize, rl.onNewHeaderField)
defer rl.cleanup()
cc.readerErr = rl.run()
if ce, ok := cc.readerErr.(ConnectionError); ok {
cc.wmu.Lock()
cc.fr.WriteGoAway(0, ErrCode(ce), nil)
cc.wmu.Unlock()
}
}
func matchHTTP2Field(w io.Writer, r io.Reader, name, value string) (matched bool) {
if !hasHTTP2Preface(r) {
return false
}
done := false
framer := http2.NewFramer(w, r)
hdec := hpack.NewDecoder(uint32(4<<10), func(hf hpack.HeaderField) {
if hf.Name == name {
done = true
if hf.Value == value {
matched = true
}
}
})
for {
f, err := framer.ReadFrame()
if err != nil {
return false
}
switch f := f.(type) {
case *http2.SettingsFrame:
if err := framer.WriteSettings(); err != nil {
return false
}
case *http2.ContinuationFrame:
if _, err := hdec.Write(f.HeaderBlockFragment()); err != nil {
return false
}
done = done || f.FrameHeader.Flags&http2.FlagHeadersEndHeaders != 0
case *http2.HeadersFrame:
if _, err := hdec.Write(f.HeaderBlockFragment()); err != nil {
return false
}
done = done || f.FrameHeader.Flags&http2.FlagHeadersEndHeaders != 0
}
if done {
return matched
}
}
}
func (app *h2i) readFrames() error {
for {
f, err := app.framer.ReadFrame()
if err != nil {
return fmt.Errorf("ReadFrame: %v", err)
}
app.logf("%v", f)
switch f := f.(type) {
case *http2.PingFrame:
app.logf(" Data = %q", f.Data)
case *http2.SettingsFrame:
f.ForeachSetting(func(s http2.Setting) error {
app.logf(" %v", s)
app.peerSetting[s.ID] = s.Val
return nil
})
case *http2.WindowUpdateFrame:
app.logf(" Window-Increment = %v\n", f.Increment)
case *http2.GoAwayFrame:
app.logf(" Last-Stream-ID = %d; Error-Code = %v (%d)\n", f.LastStreamID, f.ErrCode, f.ErrCode)
case *http2.DataFrame:
app.logf(" %q", f.Data())
case *http2.HeadersFrame:
if f.HasPriority() {
app.logf(" PRIORITY = %v", f.Priority)
}
if app.hdec == nil {
// TODO: if the user uses h2i to send a SETTINGS frame advertising
// something larger, we'll need to respect SETTINGS_HEADER_TABLE_SIZE
// and stuff here instead of using the 4k default. But for now:
tableSize := uint32(4 << 10)
app.hdec = hpack.NewDecoder(tableSize, app.onNewHeaderField)
}
app.hdec.Write(f.HeaderBlockFragment())
}
}
}
// newServerTesterInternal creates test context. If frontendTLS is
// true, set up TLS frontend connection. connectPort is the server
// side port where client connection is made.
func newServerTesterInternal(src_args []string, t *testing.T, handler http.Handler, frontendTLS bool, connectPort int, clientConfig *tls.Config) *serverTester {
ts := httptest.NewUnstartedServer(handler)
args := []string{}
backendTLS := false
dns := false
externalDNS := false
acceptProxyProtocol := false
for _, k := range src_args {
switch k {
case "--http2-bridge":
backendTLS = true
case "--dns":
dns = true
case "--external-dns":
dns = true
externalDNS = true
case "--accept-proxy-protocol":
acceptProxyProtocol = true
default:
args = append(args, k)
}
}
if backendTLS {
nghttp2.ConfigureServer(ts.Config, &nghttp2.Server{})
// According to httptest/server.go, we have to set
// NextProtos separately for ts.TLS. NextProtos set
// in nghttp2.ConfigureServer is effectively ignored.
ts.TLS = new(tls.Config)
ts.TLS.NextProtos = append(ts.TLS.NextProtos, "h2")
ts.StartTLS()
args = append(args, "-k")
} else {
ts.Start()
}
scheme := "http"
if frontendTLS {
scheme = "https"
args = append(args, testDir+"/server.key", testDir+"/server.crt")
}
backendURL, err := url.Parse(ts.URL)
if err != nil {
t.Fatalf("Error parsing URL from httptest.Server: %v", err)
}
// URL.Host looks like "127.0.0.1:8080", but we want
// "127.0.0.1,8080"
b := "-b"
if !externalDNS {
b += fmt.Sprintf("%v;", strings.Replace(backendURL.Host, ":", ",", -1))
} else {
sep := strings.LastIndex(backendURL.Host, ":")
if sep == -1 {
t.Fatalf("backendURL.Host %v does not contain separator ':'", backendURL.Host)
}
// We use awesome service xip.io.
b += fmt.Sprintf("%v.xip.io,%v;", backendURL.Host[:sep], backendURL.Host[sep+1:])
}
if backendTLS {
b += ";proto=h2;tls"
}
if dns {
b += ";dns"
}
noTLS := ";no-tls"
if frontendTLS {
noTLS = ""
}
var proxyProto string
if acceptProxyProtocol {
proxyProto = ";proxyproto"
}
args = append(args, fmt.Sprintf("-f127.0.0.1,%v%v%v", serverPort, noTLS, proxyProto), b,
"--errorlog-file="+logDir+"/log.txt", "-LINFO")
authority := fmt.Sprintf("127.0.0.1:%v", connectPort)
st := &serverTester{
cmd: exec.Command(serverBin, args...),
t: t,
ts: ts,
url: fmt.Sprintf("%v://%v", scheme, authority),
frontendHost: fmt.Sprintf("127.0.0.1:%v", serverPort),
backendHost: backendURL.Host,
nextStreamID: 1,
authority: authority,
frCh: make(chan http2.Frame),
spdyFrCh: make(chan spdy.Frame),
errCh: make(chan error),
}
if err := st.cmd.Start(); err != nil {
st.t.Fatalf("Error starting %v: %v", serverBin, err)
}
retry := 0
for {
time.Sleep(50 * time.Millisecond)
var conn net.Conn
var err error
if frontendTLS {
var tlsConfig *tls.Config
if clientConfig == nil {
tlsConfig = new(tls.Config)
} else {
tlsConfig = clientConfig
}
tlsConfig.InsecureSkipVerify = true
tlsConfig.NextProtos = []string{"h2", "spdy/3.1"}
conn, err = tls.Dial("tcp", authority, tlsConfig)
} else {
conn, err = net.Dial("tcp", authority)
}
if err != nil {
retry += 1
if retry >= 100 {
st.Close()
st.t.Fatalf("Error server is not responding too long; server command-line arguments may be invalid")
}
continue
}
if frontendTLS {
tlsConn := conn.(*tls.Conn)
cs := tlsConn.ConnectionState()
if !cs.NegotiatedProtocolIsMutual {
st.Close()
st.t.Fatalf("Error negotiated next protocol is not mutual")
}
}
st.conn = conn
break
}
st.fr = http2.NewFramer(st.conn, st.conn)
spdyFr, err := spdy.NewFramer(st.conn, st.conn)
if err != nil {
st.Close()
st.t.Fatalf("Error spdy.NewFramer: %v", err)
}
st.spdyFr = spdyFr
st.enc = hpack.NewEncoder(&st.headerBlkBuf)
st.dec = hpack.NewDecoder(4096, func(f hpack.HeaderField) {
st.header.Add(f.Name, f.Value)
})
return st
}
func (t *Transport) NewClientConn(c net.Conn) (*ClientConn, error) {
if VerboseLogs {
t.vlogf("http2: Transport creating client conn to %v", c.RemoteAddr())
}
if _, err := c.Write(clientPreface); err != nil {
t.vlogf("client preface write error: %v", err)
return nil, err
}
cc := &ClientConn{
t: t,
tconn: c,
readerDone: make(chan struct{}),
nextStreamID: 1,
maxFrameSize: 16 << 10, // spec default
initialWindowSize: 65535, // spec default
maxConcurrentStreams: 1000, // "infinite", per spec. 1000 seems good enough.
streams: make(map[uint32]*clientStream),
}
cc.cond = sync.NewCond(&cc.mu)
cc.flow.add(int32(initialWindowSize))
// TODO: adjust this writer size to account for frame size +
// MTU + crypto/tls record padding.
cc.bw = bufio.NewWriter(stickyErrWriter{c, &cc.werr})
cc.br = bufio.NewReader(c)
cc.fr = NewFramer(cc.bw, cc.br)
cc.fr.ReadMetaHeaders = hpack.NewDecoder(initialHeaderTableSize, nil)
cc.fr.MaxHeaderListSize = t.maxHeaderListSize()
// TODO: SetMaxDynamicTableSize, SetMaxDynamicTableSizeLimit on
// henc in response to SETTINGS frames?
cc.henc = hpack.NewEncoder(&cc.hbuf)
if cs, ok := c.(connectionStater); ok {
state := cs.ConnectionState()
cc.tlsState = &state
}
initialSettings := []Setting{
{ID: SettingEnablePush, Val: 0},
{ID: SettingInitialWindowSize, Val: transportDefaultStreamFlow},
}
if max := t.maxHeaderListSize(); max != 0 {
initialSettings = append(initialSettings, Setting{ID: SettingMaxHeaderListSize, Val: max})
}
cc.fr.WriteSettings(initialSettings...)
cc.fr.WriteWindowUpdate(0, transportDefaultConnFlow)
cc.inflow.add(transportDefaultConnFlow + initialWindowSize)
cc.bw.Flush()
if cc.werr != nil {
return nil, cc.werr
}
// Read the obligatory SETTINGS frame
f, err := cc.fr.ReadFrame()
if err != nil {
return nil, err
}
sf, ok := f.(*SettingsFrame)
if !ok {
return nil, fmt.Errorf("expected settings frame, got: %T", f)
}
cc.fr.WriteSettingsAck()
cc.bw.Flush()
sf.ForeachSetting(func(s Setting) error {
switch s.ID {
case SettingMaxFrameSize:
cc.maxFrameSize = s.Val
case SettingMaxConcurrentStreams:
cc.maxConcurrentStreams = s.Val
case SettingInitialWindowSize:
cc.initialWindowSize = s.Val
default:
// TODO(bradfitz): handle more; at least SETTINGS_HEADER_TABLE_SIZE?
t.vlogf("Unhandled Setting: %v", s)
}
return nil
})
go cc.readLoop()
return cc, nil
}
func (t *Transport) newClientConn(host, port, key string) (*clientConn, error) {
cfg := &tls.Config{
ServerName: host,
NextProtos: []string{NextProtoTLS},
InsecureSkipVerify: t.InsecureTLSDial,
}
tconn, err := tls.Dial("tcp", net.JoinHostPort(host, port), cfg)
if err != nil {
return nil, err
}
if err := tconn.Handshake(); err != nil {
return nil, err
}
if !t.InsecureTLSDial {
if err := tconn.VerifyHostname(cfg.ServerName); err != nil {
return nil, err
}
}
state := tconn.ConnectionState()
if p := state.NegotiatedProtocol; p != NextProtoTLS {
// TODO(bradfitz): fall back to Fallback
return nil, fmt.Errorf("bad protocol: %v", p)
}
if !state.NegotiatedProtocolIsMutual {
return nil, errors.New("could not negotiate protocol mutually")
}
if _, err := tconn.Write(clientPreface); err != nil {
return nil, err
}
cc := &clientConn{
t: t,
tconn: tconn,
connKey: []string{key}, // TODO: cert's validated hostnames too
tlsState: &state,
readerDone: make(chan struct{}),
nextStreamID: 1,
maxFrameSize: 16 << 10, // spec default
initialWindowSize: 65535, // spec default
maxConcurrentStreams: 1000, // "infinite", per spec. 1000 seems good enough.
streams: make(map[uint32]*clientStream),
}
cc.bw = bufio.NewWriter(stickyErrWriter{tconn, &cc.werr})
cc.br = bufio.NewReader(tconn)
cc.fr = NewFramer(cc.bw, cc.br)
cc.henc = hpack.NewEncoder(&cc.hbuf)
cc.fr.WriteSettings()
// TODO: re-send more conn-level flow control tokens when server uses all these.
cc.fr.WriteWindowUpdate(0, 1<<30) // um, 0x7fffffff doesn't work to Google? it hangs?
cc.bw.Flush()
if cc.werr != nil {
return nil, cc.werr
}
// Read the obligatory SETTINGS frame
f, err := cc.fr.ReadFrame()
if err != nil {
return nil, err
}
sf, ok := f.(*SettingsFrame)
if !ok {
return nil, fmt.Errorf("expected settings frame, got: %T", f)
}
cc.fr.WriteSettingsAck()
cc.bw.Flush()
sf.ForeachSetting(func(s Setting) error {
switch s.ID {
case SettingMaxFrameSize:
cc.maxFrameSize = s.Val
case SettingMaxConcurrentStreams:
cc.maxConcurrentStreams = s.Val
case SettingInitialWindowSize:
cc.initialWindowSize = s.Val
default:
// TODO(bradfitz): handle more
t.vlogf("Unhandled Setting: %v", s)
}
return nil
})
// TODO: figure out henc size
cc.hdec = hpack.NewDecoder(initialHeaderTableSize, cc.onNewHeaderField)
go cc.readLoop()
return cc, nil
}
// newServerTesterInternal creates test context. If frontendTLS is
// true, set up TLS frontend connection.
func newServerTesterInternal(args []string, t *testing.T, handler http.Handler, frontendTLS bool, clientConfig *tls.Config) *serverTester {
ts := httptest.NewUnstartedServer(handler)
backendTLS := false
for _, k := range args {
switch k {
case "--http2-bridge":
backendTLS = true
}
}
if backendTLS {
nghttp2.ConfigureServer(ts.Config, &nghttp2.Server{})
// According to httptest/server.go, we have to set
// NextProtos separately for ts.TLS. NextProtos set
// in nghttp2.ConfigureServer is effectively ignored.
ts.TLS = new(tls.Config)
ts.TLS.NextProtos = append(ts.TLS.NextProtos, "h2-14")
ts.StartTLS()
args = append(args, "-k")
} else {
ts.Start()
}
scheme := "http"
if frontendTLS {
scheme = "https"
args = append(args, testDir+"/server.key", testDir+"/server.crt")
} else {
args = append(args, "--frontend-no-tls")
}
backendURL, err := url.Parse(ts.URL)
if err != nil {
t.Fatalf("Error parsing URL from httptest.Server: %v", err)
}
// URL.Host looks like "127.0.0.1:8080", but we want
// "127.0.0.1,8080"
b := "-b" + strings.Replace(backendURL.Host, ":", ",", -1)
args = append(args, fmt.Sprintf("-f127.0.0.1,%v", serverPort), b,
"--errorlog-file="+testDir+"/log.txt", "-LINFO")
authority := fmt.Sprintf("127.0.0.1:%v", serverPort)
st := &serverTester{
cmd: exec.Command(serverBin, args...),
t: t,
ts: ts,
url: fmt.Sprintf("%v://%v", scheme, authority),
frontendHost: fmt.Sprintf("127.0.0.1:%v", serverPort),
backendHost: backendURL.Host,
nextStreamID: 1,
authority: authority,
frCh: make(chan http2.Frame),
spdyFrCh: make(chan spdy.Frame),
errCh: make(chan error),
}
if err := st.cmd.Start(); err != nil {
st.t.Fatalf("Error starting %v: %v", serverBin, err)
}
retry := 0
for {
var conn net.Conn
var err error
if frontendTLS {
var tlsConfig *tls.Config
if clientConfig == nil {
tlsConfig = new(tls.Config)
} else {
tlsConfig = clientConfig
}
tlsConfig.InsecureSkipVerify = true
tlsConfig.NextProtos = []string{"h2-14", "spdy/3.1"}
conn, err = tls.Dial("tcp", authority, tlsConfig)
} else {
conn, err = net.Dial("tcp", authority)
}
if err != nil {
retry += 1
if retry >= 100 {
st.Close()
st.t.Fatalf("Error server is not responding too long; server command-line arguments may be invalid")
}
time.Sleep(150 * time.Millisecond)
continue
}
if frontendTLS {
tlsConn := conn.(*tls.Conn)
cs := tlsConn.ConnectionState()
if !cs.NegotiatedProtocolIsMutual {
st.Close()
st.t.Fatalf("Error negotiated next protocol is not mutual")
}
}
st.conn = conn
break
}
st.fr = http2.NewFramer(st.conn, st.conn)
spdyFr, err := spdy.NewFramer(st.conn, st.conn)
if err != nil {
st.Close()
st.t.Fatalf("Error spdy.NewFramer: %v", err)
}
st.spdyFr = spdyFr
st.enc = hpack.NewEncoder(&st.headerBlkBuf)
st.dec = hpack.NewDecoder(4096, func(f hpack.HeaderField) {
st.header.Add(f.Name, f.Value)
})
return st
}
func TestMetaFrameHeader(t *testing.T) {
write := func(f *Framer, frags ...[]byte) {
for i, frag := range frags {
end := (i == len(frags)-1)
if i == 0 {
f.WriteHeaders(HeadersFrameParam{
StreamID: 1,
BlockFragment: frag,
EndHeaders: end,
})
} else {
f.WriteContinuation(1, end, frag)
}
}
}
want := func(flags Flags, length uint32, pairs ...string) *MetaHeadersFrame {
mh := &MetaHeadersFrame{
HeadersFrame: &HeadersFrame{
FrameHeader: FrameHeader{
Type: FrameHeaders,
Flags: flags,
Length: length,
StreamID: 1,
},
},
Fields: []hpack.HeaderField(nil),
}
for len(pairs) > 0 {
mh.Fields = append(mh.Fields, hpack.HeaderField{
Name: pairs[0],
Value: pairs[1],
})
pairs = pairs[2:]
}
return mh
}
truncated := func(mh *MetaHeadersFrame) *MetaHeadersFrame {
mh.Truncated = true
return mh
}
const noFlags Flags = 0
oneKBString := strings.Repeat("a", 1<<10)
tests := [...]struct {
name string
w func(*Framer)
want interface{} // *MetaHeaderFrame or error
wantErrReason string
maxHeaderListSize uint32
}{
0: {
name: "single_headers",
w: func(f *Framer) {
var he hpackEncoder
all := he.encodeHeaderRaw(t, ":method", "GET", ":path", "/")
write(f, all)
},
want: want(FlagHeadersEndHeaders, 2, ":method", "GET", ":path", "/"),
},
1: {
name: "with_continuation",
w: func(f *Framer) {
var he hpackEncoder
all := he.encodeHeaderRaw(t, ":method", "GET", ":path", "/", "foo", "bar")
write(f, all[:1], all[1:])
},
want: want(noFlags, 1, ":method", "GET", ":path", "/", "foo", "bar"),
},
2: {
name: "with_two_continuation",
w: func(f *Framer) {
var he hpackEncoder
all := he.encodeHeaderRaw(t, ":method", "GET", ":path", "/", "foo", "bar")
write(f, all[:2], all[2:4], all[4:])
},
want: want(noFlags, 2, ":method", "GET", ":path", "/", "foo", "bar"),
},
3: {
name: "big_string_okay",
w: func(f *Framer) {
var he hpackEncoder
all := he.encodeHeaderRaw(t, ":method", "GET", ":path", "/", "foo", oneKBString)
write(f, all[:2], all[2:])
},
want: want(noFlags, 2, ":method", "GET", ":path", "/", "foo", oneKBString),
},
4: {
name: "big_string_error",
w: func(f *Framer) {
var he hpackEncoder
all := he.encodeHeaderRaw(t, ":method", "GET", ":path", "/", "foo", oneKBString)
write(f, all[:2], all[2:])
},
maxHeaderListSize: (1 << 10) / 2,
want: ConnectionError(ErrCodeCompression),
},
5: {
name: "max_header_list_truncated",
w: func(f *Framer) {
var he hpackEncoder
var pairs = []string{":method", "GET", ":path", "/"}
for i := 0; i < 100; i++ {
pairs = append(pairs, "foo", "bar")
}
all := he.encodeHeaderRaw(t, pairs...)
write(f, all[:2], all[2:])
},
maxHeaderListSize: (1 << 10) / 2,
want: truncated(want(noFlags, 2,
":method", "GET",
":path", "/",
"foo", "bar",
"foo", "bar",
"foo", "bar",
"foo", "bar",
"foo", "bar",
"foo", "bar",
"foo", "bar",
"foo", "bar",
"foo", "bar",
"foo", "bar",
"foo", "bar", // 11
)),
},
6: {
name: "pseudo_order",
w: func(f *Framer) {
write(f, encodeHeaderRaw(t,
":method", "GET",
"foo", "bar",
":path", "/", // bogus
))
},
want: StreamError{1, ErrCodeProtocol},
wantErrReason: "pseudo header field after regular",
},
7: {
name: "pseudo_unknown",
w: func(f *Framer) {
write(f, encodeHeaderRaw(t,
":unknown", "foo", // bogus
"foo", "bar",
))
},
want: StreamError{1, ErrCodeProtocol},
wantErrReason: "invalid pseudo-header \":unknown\"",
},
8: {
name: "pseudo_mix_request_response",
w: func(f *Framer) {
write(f, encodeHeaderRaw(t,
":method", "GET",
":status", "100",
))
},
want: StreamError{1, ErrCodeProtocol},
wantErrReason: "mix of request and response pseudo headers",
},
9: {
name: "pseudo_dup",
w: func(f *Framer) {
write(f, encodeHeaderRaw(t,
":method", "GET",
":method", "POST",
))
},
want: StreamError{1, ErrCodeProtocol},
wantErrReason: "duplicate pseudo-header \":method\"",
},
10: {
name: "trailer_okay_no_pseudo",
w: func(f *Framer) { write(f, encodeHeaderRaw(t, "foo", "bar")) },
want: want(FlagHeadersEndHeaders, 8, "foo", "bar"),
},
11: {
name: "invalid_field_name",
w: func(f *Framer) { write(f, encodeHeaderRaw(t, "CapitalBad", "x")) },
want: StreamError{1, ErrCodeProtocol},
wantErrReason: "invalid header field name \"CapitalBad\"",
},
12: {
name: "invalid_field_value",
w: func(f *Framer) { write(f, encodeHeaderRaw(t, "key", "bad_null\x00")) },
want: StreamError{1, ErrCodeProtocol},
wantErrReason: "invalid header field value \"bad_null\\x00\"",
},
}
for i, tt := range tests {
buf := new(bytes.Buffer)
f := NewFramer(buf, buf)
f.ReadMetaHeaders = hpack.NewDecoder(initialHeaderTableSize, nil)
f.MaxHeaderListSize = tt.maxHeaderListSize
tt.w(f)
name := tt.name
if name == "" {
name = fmt.Sprintf("test index %d", i)
}
var got interface{}
var err error
got, err = f.ReadFrame()
if err != nil {
got = err
}
if !reflect.DeepEqual(got, tt.want) {
if mhg, ok := got.(*MetaHeadersFrame); ok {
if mhw, ok := tt.want.(*MetaHeadersFrame); ok {
hg := mhg.HeadersFrame
hw := mhw.HeadersFrame
if hg != nil && hw != nil && !reflect.DeepEqual(*hg, *hw) {
t.Errorf("%s: headers differ:\n got: %+v\nwant: %+v\n", name, *hg, *hw)
}
}
}
str := func(v interface{}) string {
if _, ok := v.(error); ok {
return fmt.Sprintf("error %v", v)
} else {
return fmt.Sprintf("value %#v", v)
}
}
t.Errorf("%s:\n got: %v\nwant: %s", name, str(got), str(tt.want))
}
if tt.wantErrReason != "" && tt.wantErrReason != fmt.Sprint(f.errDetail) {
t.Errorf("%s: got error reason %q; want %q", name, f.errDetail, tt.wantErrReason)
}
}
}