/
handler.go
51 lines (43 loc) · 1.12 KB
/
handler.go
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package main
import (
"encoding/json"
"fmt"
"net/http"
"github.com/ergo-services/ergo/etf"
"github.com/ergo-services/ergo/gen"
)
// GenServer implementation structure
type Handler struct {
gen.Server
}
type st struct {
r *http.Request
}
type response struct {
Request string
Answer string
}
// Init initializes process state using arbitrary arguments
// Init(...) -> state
func (h *Handler) Init(process *gen.ServerProcess, args ...etf.Term) error {
fmt.Println("Start handling http request")
process.State = &st{
r: args[0].(*http.Request),
}
return nil
}
func (h *Handler) HandleInfo(process *gen.ServerProcess, message etf.Term) gen.ServerStatus {
fmt.Println(process.State.(*st).r.URL.Path)
w := message.(http.ResponseWriter)
w.Header().Set("Content-Type", "application/json")
response := response{
Request: process.State.(*st).r.URL.Path,
Answer: "Your request has been handled by " + process.Self().String(),
}
err := json.NewEncoder(w).Encode(response)
if err != nil {
fmt.Println(err)
}
fmt.Println("Finish handling http request and stop the server", process.Self())
return gen.ServerStatusStop
}