// tdir = fe templates dir
// sdir = fe static files dir
func MakeFrontEnd(
tdir, sdir string,
addr string,
allow string,
bank sys.Bank,
vault vault.Vault,
myid sys.Id) (*FrontEnd, os.Error) {
fe := &FrontEnd{
tdir: tdir,
sdir: sdir,
bank: bank,
vault: vault,
adminURL: "http://a." + sys.Host,
myURL: sys.MakeURL("", myid, ""),
}
err := fe.loadTmpls()
if err != nil {
return nil, err
}
l, err := net.Listen("tcp", addr)
if err != nil {
return nil, err
}
fe.wwwclient = http.NewAsyncClient(30e9, 2, 3, 60)
fe.server = http.NewAsyncServer(l, 20e9, 100)
fe.server.SetAllowHosts(http.MakeAllowHosts(allow))
go fe.serveLoop()
return fe, nil
}
func (fe *FrontEnd) replyRoot() *http.Response {
friends := fe.bank.Enumerate()
var u bytes.Buffer
u.WriteString("<ul>")
i := 0
for _, f := range friends {
if f.IsOnline() {
u.WriteString("<li><div class=\"ok\"><a href=\"" +
sys.MakeURL("", *f.GetId(), "") + "\">" + f.GetName() +
"</a></div></li>")
} else {
u.WriteString("<li><div class=\"nop\">" + f.GetName() + "</div></li>")
}
i++
}
u.WriteString("</ul>")
data := rootData{
MyURL: fe.myURL,
AdminURL: fe.adminURL,
Links: u.String(),
}
var w bytes.Buffer
err := fe.tmplRoot.Execute(&data, &w)
if err != nil {
return newRespServiceUnavailable()
}
pdata := pageData{
Title: sys.Name + " — Start page",
CSSLinks: []string{"root.css"},
JSLinks: []string{"root.js"},
GridLayout: "",
Content: w.String(),
}
var w2 bytes.Buffer
err = fe.tmplPage.Execute(&pdata, &w2)
if err != nil {
return newRespServiceUnavailable()
}
return buildResp(w2.String())
}
func (fe *FrontEnd) replyAPILive(args map[string][]string) *http.Response {
var w bytes.Buffer
fmt.Fprintf(&w, "<ul>")
friends := fe.bank.Enumerate()
for _, f := range friends {
if f.IsOnline() {
fmt.Fprintf(&w, "<li><div class=\"ok\"><a href=\""+
sys.MakeURL("", *f.GetId(), "")+
"\">"+f.GetName()+"</a></div></li>")
} else {
fmt.Fprintf(&w, "<li><div class=\"nop\">"+f.GetName()+"</div></li>")
}
}
fmt.Fprintf(&w, "</ul>")
r := &apiLiveResult{w.String()}
jb, err := json.Marshal(r)
if err != nil {
return newRespServiceUnavailable()
}
return buildResp(string(jb))
}