mirror of
https://github.com/1f349/dendrite.git
synced 2024-11-22 03:31:41 +00:00
85 lines
1.7 KiB
Go
85 lines
1.7 KiB
Go
// Copyright 2023 The Matrix.org Foundation C.I.C.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package conduit
|
|
|
|
import (
|
|
"io"
|
|
"net"
|
|
"sync"
|
|
|
|
"github.com/matrix-org/pinecone/types"
|
|
"go.uber.org/atomic"
|
|
)
|
|
|
|
type Conduit struct {
|
|
closed atomic.Bool
|
|
conn net.Conn
|
|
portMutex sync.Mutex
|
|
port types.SwitchPortID
|
|
}
|
|
|
|
func NewConduit(conn net.Conn, port int) Conduit {
|
|
return Conduit{
|
|
conn: conn,
|
|
port: types.SwitchPortID(port),
|
|
}
|
|
}
|
|
|
|
func (c *Conduit) Port() int {
|
|
c.portMutex.Lock()
|
|
defer c.portMutex.Unlock()
|
|
return int(c.port)
|
|
}
|
|
|
|
func (c *Conduit) SetPort(port types.SwitchPortID) {
|
|
c.portMutex.Lock()
|
|
defer c.portMutex.Unlock()
|
|
c.port = port
|
|
}
|
|
|
|
func (c *Conduit) Read(b []byte) (int, error) {
|
|
if c.closed.Load() {
|
|
return 0, io.EOF
|
|
}
|
|
return c.conn.Read(b)
|
|
}
|
|
|
|
func (c *Conduit) ReadCopy() ([]byte, error) {
|
|
if c.closed.Load() {
|
|
return nil, io.EOF
|
|
}
|
|
var buf [65535 * 2]byte
|
|
n, err := c.conn.Read(buf[:])
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return buf[:n], nil
|
|
}
|
|
|
|
func (c *Conduit) Write(b []byte) (int, error) {
|
|
if c.closed.Load() {
|
|
return 0, io.EOF
|
|
}
|
|
return c.conn.Write(b)
|
|
}
|
|
|
|
func (c *Conduit) Close() error {
|
|
if c.closed.Load() {
|
|
return io.ErrClosedPipe
|
|
}
|
|
c.closed.Store(true)
|
|
return c.conn.Close()
|
|
}
|