mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-11-02 01:07:28 -04:00
127 lines
3.1 KiB
Go
127 lines
3.1 KiB
Go
// This file was automatically generated by genny.
|
|
// Any changes will be lost if this file is regenerated.
|
|
// see https://github.com/cheekybits/genny
|
|
|
|
package quic
|
|
|
|
import (
|
|
"fmt"
|
|
"sync"
|
|
|
|
"github.com/lucas-clemente/quic-go/internal/protocol"
|
|
"github.com/lucas-clemente/quic-go/internal/wire"
|
|
"github.com/lucas-clemente/quic-go/qerr"
|
|
)
|
|
|
|
type outgoingBidiStreamsMap struct {
|
|
mutex sync.RWMutex
|
|
cond sync.Cond
|
|
|
|
streams map[protocol.StreamID]streamI
|
|
|
|
nextStream protocol.StreamID // stream ID of the stream returned by OpenStream(Sync)
|
|
maxStream protocol.StreamID // the maximum stream ID we're allowed to open
|
|
highestBlocked protocol.StreamID // the highest stream ID that we queued a STREAM_ID_BLOCKED frame for
|
|
|
|
newStream func(protocol.StreamID) streamI
|
|
queueStreamIDBlocked func(*wire.StreamIDBlockedFrame)
|
|
|
|
closeErr error
|
|
}
|
|
|
|
func newOutgoingBidiStreamsMap(
|
|
nextStream protocol.StreamID,
|
|
newStream func(protocol.StreamID) streamI,
|
|
queueControlFrame func(wire.Frame),
|
|
) *outgoingBidiStreamsMap {
|
|
m := &outgoingBidiStreamsMap{
|
|
streams: make(map[protocol.StreamID]streamI),
|
|
nextStream: nextStream,
|
|
newStream: newStream,
|
|
queueStreamIDBlocked: func(f *wire.StreamIDBlockedFrame) { queueControlFrame(f) },
|
|
}
|
|
m.cond.L = &m.mutex
|
|
return m
|
|
}
|
|
|
|
func (m *outgoingBidiStreamsMap) OpenStream() (streamI, error) {
|
|
m.mutex.Lock()
|
|
defer m.mutex.Unlock()
|
|
|
|
return m.openStreamImpl()
|
|
}
|
|
|
|
func (m *outgoingBidiStreamsMap) OpenStreamSync() (streamI, error) {
|
|
m.mutex.Lock()
|
|
defer m.mutex.Unlock()
|
|
|
|
for {
|
|
str, err := m.openStreamImpl()
|
|
if err == nil {
|
|
return str, err
|
|
}
|
|
if err != nil && err != qerr.TooManyOpenStreams {
|
|
return nil, err
|
|
}
|
|
m.cond.Wait()
|
|
}
|
|
}
|
|
|
|
func (m *outgoingBidiStreamsMap) openStreamImpl() (streamI, error) {
|
|
if m.closeErr != nil {
|
|
return nil, m.closeErr
|
|
}
|
|
if m.nextStream > m.maxStream {
|
|
if m.maxStream == 0 || m.highestBlocked < m.maxStream {
|
|
m.queueStreamIDBlocked(&wire.StreamIDBlockedFrame{StreamID: m.maxStream})
|
|
m.highestBlocked = m.maxStream
|
|
}
|
|
return nil, qerr.TooManyOpenStreams
|
|
}
|
|
s := m.newStream(m.nextStream)
|
|
m.streams[m.nextStream] = s
|
|
m.nextStream += 4
|
|
return s, nil
|
|
}
|
|
|
|
func (m *outgoingBidiStreamsMap) GetStream(id protocol.StreamID) (streamI, error) {
|
|
m.mutex.RLock()
|
|
if id >= m.nextStream {
|
|
m.mutex.RUnlock()
|
|
return nil, qerr.Error(qerr.InvalidStreamID, fmt.Sprintf("peer attempted to open stream %d", id))
|
|
}
|
|
s := m.streams[id]
|
|
m.mutex.RUnlock()
|
|
return s, nil
|
|
}
|
|
|
|
func (m *outgoingBidiStreamsMap) DeleteStream(id protocol.StreamID) error {
|
|
m.mutex.Lock()
|
|
defer m.mutex.Unlock()
|
|
|
|
if _, ok := m.streams[id]; !ok {
|
|
return fmt.Errorf("Tried to delete unknown stream %d", id)
|
|
}
|
|
delete(m.streams, id)
|
|
return nil
|
|
}
|
|
|
|
func (m *outgoingBidiStreamsMap) SetMaxStream(id protocol.StreamID) {
|
|
m.mutex.Lock()
|
|
if id > m.maxStream {
|
|
m.maxStream = id
|
|
m.cond.Broadcast()
|
|
}
|
|
m.mutex.Unlock()
|
|
}
|
|
|
|
func (m *outgoingBidiStreamsMap) CloseWithError(err error) {
|
|
m.mutex.Lock()
|
|
m.closeErr = err
|
|
for _, str := range m.streams {
|
|
str.closeForShutdown(err)
|
|
}
|
|
m.cond.Broadcast()
|
|
m.mutex.Unlock()
|
|
}
|