func PortBindingDelete(w http.ResponseWriter, r *http.Request) {
params := r.URL.Query()
port := params.Get(":port")
host := r.FormValue("host")
hostPort := r.FormValue("host_port")
i, binding, err := getPortBinding(port, false)
if err != nil {
w.Write([]byte("{\"error\": \"" + err.Error() + "\"}"))
return
}
if binding == nil {
w.Write([]byte("{}"))
return
}
if host != "" && hostPort != "" {
binding.RemoveBackend(host, hostPort)
}
currentHost, err := h.GetCurrentHost()
if err != nil {
w.Write([]byte("{\"error\": \"" + err.Error() + "\"}"))
return
}
if len(binding.Backends) == 0 || (host == "" && hostPort == "") {
binding.Stop()
copy(currentHost.PortBindings[i:], currentHost.PortBindings[i+1:])
currentHost.PortBindings[len(currentHost.PortBindings)-1] = nil
currentHost.PortBindings = currentHost.PortBindings[:len(currentHost.PortBindings)-1]
}
w.Write([]byte("{\"success\": true}"))
currentHost.Persist()
}
func PortBindingCreate(w http.ResponseWriter, r *http.Request) {
port := r.FormValue("port")
host := r.FormValue("host")
hostPort := r.FormValue("host_port")
currentHost, err := h.GetCurrentHost()
if err != nil {
w.Write([]byte("{\"error\": \"" + err.Error() + "\"}"))
return
}
_, binding, err := getPortBinding(port, true)
if err != nil {
w.Write([]byte("{\"error\": \"" + err.Error() + "\"}"))
return
}
binding.AddBackend(host, hostPort)
err = currentHost.Persist()
if err != nil {
w.Write([]byte("{\"error\": \"" + err.Error() + "\"}"))
return
}
go binding.Start()
content, err := json.Marshal(binding)
if err != nil {
w.Write([]byte("{\"error\": \"" + err.Error() + "\"}"))
return
}
log.Println("exposed " + binding.String())
w.Write(content)
}
func PortBindingsIndex(w http.ResponseWriter, r *http.Request) {
host, err := h.GetCurrentHost()
if err != nil {
w.Write([]byte("{\"error\": \"" + err.Error() + "\"}"))
return
}
content, err := json.Marshal(host.PortBindings)
if err != nil {
w.Write([]byte("{\"error\": \"" + err.Error() + "\"}"))
return
}
w.Write(content)
}
func HostShow(w http.ResponseWriter, r *http.Request) {
h, err := host.GetCurrentHost()
if err != nil {
w.Write([]byte("{\"error\": \"" + err.Error() + "\"}"))
return
}
hostJson, err := json.Marshal(h)
if err != nil {
w.Write([]byte("{\"error\": \"" + err.Error() + "\"}"))
return
}
w.Write(hostJson)
}
func getPortBinding(port string, createNew bool) (int, *portbinding.PortBinding, error) {
host, err := h.GetCurrentHost()
if err != nil {
return -1, nil, err
}
for i, b := range host.PortBindings {
if b.Port == port {
return i, b, nil
}
}
if createNew {
binding, err := portbinding.New(port)
if err != nil {
return -1, nil, err
}
host.PortBindings = append(host.PortBindings, binding)
return len(host.PortBindings) - 1, binding, nil
}
return -1, nil, nil
}