// httpprobe 包示例：按报文首部字节识别流量是 HTTP 还是 HTTPS（常用于网关/代理分流）
package main

import (
	"fmt"

	"git.zeroonesoft.cn/golib/zogo/httpprobe"
)

func main() {
	// HTTP 请求报文（以请求方法开头）
	httpData := []byte("GET /index.html HTTP/1.1\r\nHost: localhost\r\n\r\n")
	fmt.Println("IsHttp(HTTP报文):", httpprobe.IsHttp(httpData))

	// TLS 握手报文（首字节 0x16 0x03）
	httpsData := make([]byte, 32)
	httpsData[0] = 0x16
	httpsData[1] = 0x03
	httpsData[3] = 0x01
	copy(httpsData[8:], "http") // ClientHello 的 SNI 中会出现 host 字符
	fmt.Println("IsHttps(TLS报文):", httpprobe.IsHttps(httpsData))

	// 普通数据两者都不是
	fmt.Println("IsHttp(普通数据):", httpprobe.IsHttp([]byte("hello world")))
	fmt.Println("IsHttps(普通数据):", httpprobe.IsHttps([]byte("hello world")))
}