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authorStephane Desneux <stephane.desneux@iot.bzh>2016-05-31 18:16:48 +0200
committerStephane Desneux <stephane.desneux@iot.bzh>2016-05-31 18:16:48 +0200
commit5b1e6cc132f44262a873fa8296a2a3e1017b0278 (patch)
tree43b2cd54e2e300b399ff3f2af4458a2c4ed8a144 /afb-client/app/etc/_Trace.js
parentf7d2f9ac4168ee5064580c666d508667a73cefc0 (diff)
parent85ace9c1ce9a98e9b8a22f045c7dd752b38d9129 (diff)
Merge afb-client
Diffstat (limited to 'afb-client/app/etc/_Trace.js')
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diff --git a/afb-client/app/etc/_Trace.js b/afb-client/app/etc/_Trace.js
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+/*
+ * Copyright 2014 Fulup Ar Foll
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var util = require("util");
+var path = require("path");
+var config= require('./_Config');
+
+function TracePoint () {
+ var saved = Error.prepareStackTrace; // save default prepareStack function
+ Error.prepareStackTrace = function(_, stack){ return stack; }; // overload err stack handling
+ Error.captureStackTrace(this, arguments.callee); // request a stack
+ this.trace = this.stack; // effectively build trace
+ Error.prepareStackTrace = saved; // restore original nodejs function
+}
+
+// ------- Public Methods --------------
+var dbgLevel = function(target, level, format) { //+ arguments
+ // try to get debugLevel from calling object or global config
+ if (target && target.dbgLevel) dbgLevel = target.dbgLevel;
+ else dbgLevel = config.DBG_LVL || 1;
+
+ if (dbgLevel >= level ) {
+
+ var args = [].slice.call(arguments, 2); // copy argument in a real array leaving out level
+ var message = util.format.apply(null, args);
+
+ var trace = new TracePoint().trace;
+ var info = {
+ fullpath : trace[1].getFileName(),
+ linenum : trace[1].getLineNumber(),
+ basename : path.basename (trace[1].getFileName())
+ };
+
+ if (dbgLevel >= 5) {
+ console.log("%s:%d", info.fullpath, info.linenum);
+ console.log("\t[%d] %j", dbgLevel, message);
+ }
+ else console.log("--%d-- [%s:%d] -- %j", dbgLevel, info.basename, info.linenum, message);
+ }
+};
+
+module.exports = dbgLevel;