| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 remote |
| |
| import ( |
| "context" |
| "net" |
| |
| "go.uber.org/atomic" |
| ) |
| |
| // TODO: Adding TCP Connections Pool, https://github.com/apache/rocketmq-client-go/v2/issues/298 |
| type tcpConnWrapper struct { |
| net.Conn |
| closed atomic.Bool |
| } |
| |
| func initConn(ctx context.Context, addr string) (*tcpConnWrapper, error) { |
| var d net.Dialer |
| conn, err := d.DialContext(ctx, "tcp", addr) |
| if err != nil { |
| return nil, err |
| } |
| return &tcpConnWrapper{ |
| Conn: conn, |
| }, nil |
| } |
| |
| func (wrapper *tcpConnWrapper) destroy() error { |
| wrapper.closed.Swap(true) |
| return wrapper.Conn.Close() |
| } |
| |
| func (wrapper *tcpConnWrapper) isClosed(err error) bool { |
| if !wrapper.closed.Load() { |
| return false |
| } |
| |
| opErr, ok := err.(*net.OpError) |
| if !ok { |
| return false |
| } |
| |
| return opErr.Err.Error() == "use of closed network connection" |
| } |