fugi.go

// okaq.com
// fugi web server
// by [email protected]
// on 2013-11-25

package main

import (
    "fmt"
    "io/ioutil"
    "net/http"
    "net/url"
)
const (
)

var (
    // list of urls in web app
    Apps = [3]string{"/","/speed","/war"}
    Paths = [3]string{"fugi.html", "speed.html", "war.html"}
    // list of Flight middleware funcs
    // or func generator based on key?
// map url key to cache object instance
    AppsMap map[string]*Cache
// list of header mime types
    MimeHeaders = [...]string{
        "text/plain",
        "text/html",
    }
)

type Cache struct {
    Data []byte
    URL *url.URL
    Path string
    HeaderIndex int
}

func NewCache() *Cache {
    c0 := new(Cache)
    return c0
}

func (c *Cache) ParseURL(s string) {
    u0, e := url.Parse(s)
    if e != nil {
        fmt.Println(e)
    }
    c.URL = u0
}

func (c *Cache) Init() {
    b0, e := ioutil.ReadFile(c.Path)
    if e != nil {
        fmt.Println(e)
    }
    c.Data = make([]byte, len(b0))
    copy(c.Data,b0)
}

func MakeAppsMap() {
    AppsMap = make(map[string]*Cache)
    for i,_ := range Apps {
        c0 := NewCache()
        c0.Path = Paths[i]
        c0.ParseURL(Apps[i])
        c0.HeaderIndex = 1
        c0.Init()

        AppsMap[Apps[i]] = c0
    }
}

func MakeHandle(s string) http.HandlerFunc {
    return func(w http.ResponseWriter, r *http.Request) {
        // call cache.flight() before write?
        w.Header().Set("Content-Type", "text/html")
        // test r.URL.Path trailing slash
        c, ok := AppsMap[r.URL.Path]
        if ok && c != nil{
            /*
            var s0 = r.URL.Path
            var s1 = Apps[2]
            var s4 = len(c.Data)
            var s3 = fmt.Sprintf("%x , %x, %d", s0, s1, s4)
            */    
            w.Write(c.Data)
        } else {
            w.Write([]byte(r.URL.Path))
        }
    }
}

func MuxItUp() {
    for i,_ := range Apps {
        http.HandleFunc(Apps[i], MakeHandle(Apps[i]))
    }
}

func StartServer() {
    return
}

func main() {
    // construct cache(appsmap)
    MakeAppsMap()
    // mux handlers
    MuxItUp()
    // start server
    StartServer()
}

func init() {
    main()
}