functions

The Fool guy's FAAS
git clone git://git.lair.cx/functions
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main.go (708B)

      1 //go:build example
      2 
      3 package main
      4 
      5 import (
      6 	"log"
      7 	"net/http"
      8 	"os"
      9 
     10 	"go.lair.cx/functions/pkg/functions"
     11 )
     12 
     13 func init() {
     14 	os.Stdout.Write([]byte("init\n"))
     15 }
     16 
     17 func main() {
     18 	functions.ServeFunc(ServeHTTP)
     19 }
     20 
     21 func ServeHTTP(w http.ResponseWriter, r *http.Request) {
     22 	name := r.URL.Query().Get("name")
     23 	if name == "" {
     24 		name = "world"
     25 	}
     26 
     27 	if name == "panic" {
     28 		panic("panic because name is panic")
     29 	}
     30 
     31 	if name == "redirect" {
     32 		http.Redirect(w, r, "/helloworld?name=redirected", http.StatusFound)
     33 		return
     34 	}
     35 
     36 	buf := make([]byte, 0, len(name)+8)
     37 	buf = append(buf, "Hello, "...)
     38 	buf = append(buf, name...)
     39 	buf = append(buf, "!\n"...)
     40 
     41 	_, err := w.Write(buf)
     42 	if err != nil {
     43 		log.Fatalln(err)
     44 	}
     45 }