From d12ace7f372a374a3273460077b10b6cec2c864e Mon Sep 17 00:00:00 2001
From: Gregory Eremin <g@erem.in>
Date: Sat, 29 Aug 2015 16:56:19 +0300
Subject: [PATCH] Implement basic server

---
 secondly.go |  6 ++++++
 server.go   | 21 +++++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 server.go

diff --git a/secondly.go b/secondly.go
index 0e14cc9..0baa09c 100644
--- a/secondly.go
+++ b/secondly.go
@@ -3,6 +3,7 @@ package secondly
 import (
 	"encoding/json"
 	"flag"
+	"fmt"
 	"log"
 	"os"
 	"os/signal"
@@ -37,6 +38,11 @@ func Manage(target interface{}) {
 	bootstrap()
 }
 
+// StartServer will start an HTTP server with web interface to edit config.
+func StartServer(host string, port int) {
+	go startServer(fmt.Sprintf("%s:%d", host, port))
+}
+
 // HandleSIGHUP waits a SIGHUP system call and reloads configuration when
 // receives one.
 func HandleSIGHUP() {
diff --git a/server.go b/server.go
new file mode 100644
index 0000000..709b404
--- /dev/null
+++ b/server.go
@@ -0,0 +1,21 @@
+package secondly
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+)
+
+func startServer(addr string) {
+	mux := http.NewServeMux()
+	mux.HandleFunc("/fields.json", fieldsHandler)
+
+	log.Println("Starting configuration server on", addr)
+	go http.ListenAndServe(addr, mux)
+}
+
+func fieldsHandler(rw http.ResponseWriter, req *http.Request) {
+	fields := extractFields(config, "")
+	body, _ := json.Marshal(fields)
+	rw.Write(body)
+}