Load config from DB

lib/local-cache.js

@@ -21,11 +21,13 @@
 const vm = require("vm");
 const crypto = require("crypto");
 
+const config = require("./config");
 const db = require("./db");
 const cache = require("./cache");
 const query = require("./query");
 const logger = require("./logger");
 const scheduling = require("./scheduling");
+const expression = require("./common/expression");
 
 const REFRESH = 3000;
 const EVICT_TIMEOUT = 60000;
@@ -56,6 +58,10 @@ function computeHash(snapshot) {
   h.update(JSON.stringify(keys));
   for (const k of keys) h.update(snapshot.virtualParameters[k].md5);
 
+  keys = Object.keys(snapshot.config).sort();
+  h.update(JSON.stringify(keys));
+  for (const k of keys) h.update(JSON.stringify(snapshot.config[k]));
+
   return h.digest("hex");
 }
 
@@ -296,13 +302,27 @@ function refresh(callback) {
         })
       );
 
+      promises.push(
+        new Promise((resolve, reject) => {
+          db.getConfig((err, conf) => {
+            if (err) return void reject(err);
+
+            const _config = {};
+            for (const c of conf) _config[c.id] = c.value;
+
+            resolve(_config);
+          });
+        })
+      );
+
       Promise.all(promises)
         .then(res => {
           const snapshot = {
             presets: res[0],
             provisions: res[1],
             virtualParameters: res[2],
-            files: res[3]
+            files: res[3],
+            config: res[4]
           };
 
           if (currentSnapshot) {
@@ -362,9 +382,38 @@ function getFiles(snapshotKey) {
   return snapshot.files;
 }
 
+function getConfig(snapshotKey, key, context, now) {
+  const snapshot = snapshots.get(snapshotKey);
+  if (!snapshot) throw new Error("Cache snapshot does not exist");
+
+  const oldOpts = {
+    "cwmp.downloadTimeout": "DOWNLOAD_TIMEOUT",
+    "cwmp.debug": "DEBUG",
+    "cwmp.retryDelay": "RETRY_DELAY",
+    "cwmp.sessionTimeout": "SESSION_TIMEOUT",
+    "cwmp.connectionRequestTimeout": "CONNECTION_REQUEST_TIMEOUT",
+    "cwmp.gpnNextLevel": "GPN_NEXT_LEVEL",
+    "cwmp.gpvBatchSize": "GPV_BATCH_SIZE",
+    "cwmp.cookiesPath": "COOKIES_PATH",
+    "cwmp.datetimeMilliseconds": "DATETIME_MILLISECONDS",
+    "cwmp.booleanLiteral": "BOOLEAN_LITERAL",
+    "cwmp.connectionRequestAllowBasicAuth":
+      "CONNECTION_REQUEST_ALLOW_BASIC_AUTH",
+    "cwmp.maxCommitIterations": "MAX_COMMIT_ITERATIONS"
+  };
+
+  if (!(key in snapshot.config)) {
+    if (key in oldOpts)
+      return config.get(oldOpts[key], context ? context.id : null);
+    else return null;
+  }
+  return expression.evaluate(snapshot.config[key], context, now || Date.now());
+}
+
 exports.getCurrentSnapshot = getCurrentSnapshot;
 exports.hasSnapshot = hasSnapshot;
 exports.getPresets = getPresets;
 exports.getProvisions = getProvisions;
 exports.getVirtualParameters = getVirtualParameters;
 exports.getFiles = getFiles;
+exports.getConfig = getConfig;