/* * MIT License * * Copyright (c) 2022 Nicolas JUHEL * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * */ package main import ( "bytes" "context" "fmt" "io" "net" "os" "time" netptl "github.com/nabbar/golib/network/protocol" libsiz "github.com/nabbar/golib/size" libsck "github.com/nabbar/golib/socket" sckcfg "github.com/nabbar/golib/socket/config" ) func config() sckcfg.ClientConfig { return sckcfg.ClientConfig{ Network: netptl.NetworkUDP, Address: ":9001", ReadBuffSize: 32 * libsiz.SizeKilo, } } func printError(err ...error) { for _, e := range err { if e == nil { continue } _, _ = fmt.Fprintf(os.Stderr, "Error: %v\n", e) } } func checkPanic(err ...error) { var found = false for _, e := range err { if e == nil { continue } found = true printError(err...) break } if found { panic(nil) } } func request() io.Reader { var buf = bytes.NewBuffer(make([]byte, 0)) for i := 1; i <= 100; i++ { buf.WriteString(fmt.Sprintf("<14>%s myapp: This is a sample syslog message #%d buff: %d\n", time.Now().Format(time.RFC3339), i, buf.Len())) } return buf } func main() { cli, err := config().New() checkPanic(err) cli.RegisterFuncError(func(e error) { printError(e) }) cli.RegisterFuncInfo(func(local, remote net.Addr, state libsck.ConnState) { _, _ = fmt.Fprintf(os.Stdout, "[%s %s]=>[%s %s] %s\n", remote.Network(), remote.String(), local.Network(), local.String(), state.String()) }) checkPanic(cli.Do(context.Background(), request(), nil)) }