93 lines
2.1 KiB
Go
93 lines
2.1 KiB
Go
//go:build !llgo
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// +build !llgo
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/*
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* Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
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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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*/
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package socketio
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import (
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"net"
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"github.com/goplus/llgo/x/async"
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"github.com/goplus/llgo/x/tuple"
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)
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type Conn struct {
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conn net.Conn
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}
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func Listen(protocol, bindAddr string, listenCb func(client *Conn, err error)) {
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go func() {
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listener, err := net.Listen(protocol, bindAddr)
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if err != nil {
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listenCb(nil, err)
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return
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}
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for {
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conn, err := listener.Accept()
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if err != nil {
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listenCb(nil, err)
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return
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}
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listenCb(&Conn{conn: conn}, nil)
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}
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}()
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}
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func Connect(network, addr string) async.Future[tuple.Tuple2[*Conn, error]] {
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return async.Async(func(resolve func(tuple.Tuple2[*Conn, error])) {
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go func() {
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conn, err := net.Dial(network, addr)
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if err != nil {
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resolve(tuple.T2[*Conn, error](nil, err))
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return
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}
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resolve(tuple.T2[*Conn, error](&Conn{conn: conn}, nil))
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}()
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})
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}
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// Read once from the TCP connection.
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func (t *Conn) Read() async.Future[tuple.Tuple2[[]byte, error]] {
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return async.Async(func(resolve func(tuple.Tuple2[[]byte, error])) {
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go func() {
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buf := make([]byte, 1024)
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n, err := t.conn.Read(buf)
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if err != nil {
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resolve(tuple.T2[[]byte, error](nil, err))
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return
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}
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resolve(tuple.T2[[]byte, error](buf[:n], nil))
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}()
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})
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}
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func (t *Conn) Write(data []byte) async.Future[error] {
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return async.Async(func(resolve func(error)) {
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go func() {
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_, err := t.conn.Write(data)
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resolve(err)
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}()
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})
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}
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func (t *Conn) Close() {
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if t.conn != nil {
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t.conn.Close()
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}
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}
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