REST API upgrade

source/lib/http_client.js

@@ -31,7 +31,36 @@ module.exports = class http_client {
         // post the data
         request.write(data)
         request.end()
+        
     }
     #ip
     #port
+}
+
+module.exports.post = async (options, callback_res, callback_err) => {
+    http.post(options, function(res) {
+        var body_chunks = []
+        res.on('data', chunk => {
+            body_chunks.push(chunk)
+        }).on('end', () => {
+            var body = Buffer.concat(body_chunks)
+            callback_res(body)
+        })
+    }).on('error', err => {
+        callback_err(err)
+    })
+}
+
+module.exports.get = async (options, callback_res, callback_err) => {
+    http.get(options, function(res) {
+        var body_chunks = []
+        res.on('data', chunk => {
+            body_chunks.push(chunk)
+        }).on('end', () => {
+            var body = Buffer.concat(body_chunks)
+            callback_res(body)
+        })
+    }).on('error', err => {
+        callback_err(err)
+    })
 }