sendfile

Package sendfile wraps the sendfile system call.

Get started

Install

go get github.com/hslam/sendfile

Import

import "github.com/hslam/sendfile"

Usage

Example

package main

import (
	"fmt"
	"github.com/hslam/sendfile"
	"net"
	"os"
)

func main() {
	srcName := "srcfile"
	srcFile, err := os.Create(srcName)
	if err != nil {
		panic(err)
	}
	defer os.Remove(srcName)
	defer srcFile.Close()
	contents := "Hello world"
	srcFile.Write([]byte(contents))
	lis, err := net.Listen("tcp", ":9999")
	if err != nil {
		panic(err)
	}
	defer lis.Close()
	done := make(chan bool)
	go func() {
		conn, _ := lis.Accept()
		defer conn.Close()
		buf := make([]byte, len(contents))
		n, _ := conn.Read(buf)
		fmt.Println(string(buf[:n]))
		close(done)
	}()
	conn, _ := net.Dial("tcp", "127.0.0.1:9999")
	if _, err = sendfile.SendFile(conn, int(srcFile.Fd()), 0, int64(len(contents))); err != nil {
		fmt.Println(err)
	}
	conn.Close()
	<-done
}

Output

Hello world

License

This package is licensed under a MIT license (Copyright (c) 2020 Meng Huang)

Author

sendfile was written by Meng Huang.