merge client/server connection and stream
parent
439e39a688
commit
c87800ed83
@ -1,207 +1,48 @@
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package nghttp2
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/*
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#include "_nghttp2.h"
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*/
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import "C"
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import (
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"fmt"
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"io"
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"errors"
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"net"
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"net/http"
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"strings"
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"sync"
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"unsafe"
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"time"
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)
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// ClientStream http2 client stream
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type ClientStream struct {
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type stream struct {
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streamID int
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conn *ClientConn
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cdp C.nghttp2_data_provider
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conn *Conn
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dp *dataProvider
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res *http.Response
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bp *bodyProvider
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request *http.Request
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response *http.Response
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resch chan *http.Response
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errch chan error
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closed bool
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lock *sync.Mutex
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}
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// Read read stream data
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func (s *ClientStream) Read(buf []byte) (n int, err error) {
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if s.closed || s.res == nil || s.res.Body == nil {
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return 0, io.EOF
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}
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return s.res.Body.Read(buf)
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}
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var _ net.Conn = &stream{}
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// Write write data to stream
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func (s *ClientStream) Write(buf []byte) (n int, err error) {
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if s.closed {
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return 0, io.EOF
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}
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if s.dp != nil {
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return s.dp.Write(buf)
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}
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return 0, fmt.Errorf("empty data provider")
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func (s *stream) Read(buf []byte) (int, error) {
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return 0, errors.New("not implement")
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}
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// Close close the stream
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func (s *ClientStream) Close() error {
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//s.lock.Lock()
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//defer s.lock.Unlock()
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if s.closed {
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return nil
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}
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s.closed = true
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err := io.EOF
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//log.Printf("close stream %d", int(s.streamID))
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select {
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case s.errch <- err:
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default:
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}
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if s.res != nil && s.res.Body != nil {
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s.res.Body.Close()
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}
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//log.Println("close stream done")
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if s.dp != nil {
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s.dp.Close()
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}
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if s.res != nil && s.res.Request != nil &&
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s.res.Request.Method == "CONNECT" {
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//log.Printf("send rst stream for %d", s.streamID)
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s.conn.lock.Lock()
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C.nghttp2_submit_rst_stream(s.conn.session, 0, C.int(s.streamID), 0)
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s.conn.lock.Unlock()
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func (s *stream) Write(buf []byte) (int, error) {
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if s.conn.isServer {
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return 0, errors.New("not implement")
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}
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return 0, errors.New("not implement")
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}
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func (s *stream) Close() error {
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return nil
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}
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// ServerStream server stream
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type ServerStream struct {
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streamID int
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// headers receive done
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headersDone bool
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// is stream_end flag received
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streamEnd bool
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// request
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req *http.Request
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// response header
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header http.Header
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// response statusCode
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statusCode int
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// response has send
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responseSend bool
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// server connection
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conn *ServerConn
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// data provider
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dp *dataProvider
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cdp C.nghttp2_data_provider
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closed bool
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//buf *bytes.Buffer
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func (s *stream) LocalAddr() net.Addr {
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return nil
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}
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// Write write data to stream,
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// implements http.ResponseWriter
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func (s *ServerStream) Write(buf []byte) (int, error) {
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if s.closed {
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return 0, io.EOF
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}
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if !s.responseSend {
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s.WriteHeader(http.StatusOK)
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}
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return s.dp.Write(buf)
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func (s *stream) RemoteAddr() net.Addr {
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return nil
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}
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// WriteHeader set response code and send reponse,
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// implements http.ResponseWriter
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func (s *ServerStream) WriteHeader(code int) {
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if s.closed {
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return
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}
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if s.responseSend {
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return
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}
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s.responseSend = true
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s.statusCode = code
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var nv = []C.nghttp2_nv{}
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nv = append(nv, newNV(":status", fmt.Sprintf("%d", code)))
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for k, v := range s.header {
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//log.Println(k, v[0])
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_k := strings.ToLower(k)
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if _k == "host" || _k == "connection" || _k == "proxy-connection" ||
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_k == "transfer-encoding" {
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continue
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}
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nv = append(nv, newNV(k, v[0]))
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}
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var dp *dataProvider
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dp = newDataProvider(unsafe.Pointer(&s.cdp), s.conn.lock, 0)
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dp.streamID = s.streamID
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dp.session = s.conn.session
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s.dp = dp
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s.conn.lock.Lock()
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ret := C._nghttp2_submit_response(
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s.conn.session, C.int(s.streamID),
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C.size_t(uintptr(unsafe.Pointer(&nv[0]))),
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C.size_t(len(nv)), &s.cdp)
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s.conn.lock.Unlock()
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if int(ret) < 0 {
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panic(fmt.Sprintf("sumit response error %s",
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C.GoString(C.nghttp2_strerror(ret))))
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}
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//log.Printf("stream %d send response", s.streamID)
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func (s *stream) SetDeadline(t time.Time) error {
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return errors.New("not implement")
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}
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// Header return the http.Header,
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// implements http.ResponseWriter
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func (s *ServerStream) Header() http.Header {
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if s.header == nil {
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s.header = http.Header{}
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}
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return s.header
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func (s *stream) SetReadDeadline(t time.Time) error {
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return errors.New("not implement")
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}
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// Close close the stream
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func (s *ServerStream) Close() error {
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if s.closed {
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return nil
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}
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s.closed = true
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if s.req.Body != nil {
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s.req.Body.Close()
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}
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if s.dp != nil {
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s.dp.Close()
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//s.dp = nil
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}
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if s.req.Method == "CONNECT" {
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s.conn.lock.Lock()
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s.conn.lock.Unlock()
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if _, ok := s.conn.streams[s.streamID]; ok {
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//log.Printf("send rst stream %d", s.streamID)
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C.nghttp2_submit_rst_stream(s.conn.session, 0, C.int(s.streamID), 0)
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delete(s.conn.streams, s.streamID)
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}
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}
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//log.Printf("stream %d closed", s.streamID)
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return nil
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func (s *stream) SetWriteDeadline(t time.Time) error {
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return errors.New("not implement")
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}
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