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