Cannot specify the retries parameter for the Session class as 0, Upda…

…te version in package.json to 1.1.11, Update README.md for 1.1.11, Added example program ping-retries-0.js

README.md

@@ -447,6 +447,11 @@ Bug reports should be sent to <stephen.vickers.sv@gmail.com>.
  * Echo requests sent by this module are processed like responses when sent to
    the `127.0.0.1` and `::1` addresses
 
+## Version 1.1.11 - 12/08/2014
+
+ * Cannot specify the `retries` parameter for the `Session` class as `0`
+ * Added example program `ping-retries-0.js`
+
 # Roadmap
 
 Suggestions and requirements should be sent to <stephen.vickers.sv@gmail.com>.

example/ping-retries-0.js

@@ -0,0 +1,30 @@
+
+var ping = require ("../");
+
+if (process.argv.length < 4) {
+	console.log ("usage: node ping-retries-0 <target> <timeout>");
+	process.exit (-1);
+}
+
+var target = process.argv[2];
+
+var options = {
+	retries: 0,
+	timeout: parseInt(process.argv[3])
+};
+
+var session = ping.createSession (options);
+
+session.on ("error", function (error) {
+	console.trace (error.toString ());
+});
+
+session.pingHost (target, function (error, target) {
+	if (error)
+		if (error instanceof ping.RequestTimedOutError)
+			console.log (target + ": Not alive");
+		else
+			console.log (target + ": " + error.toString ());
+	else
+		console.log (target + ": Alive");
+});

index.js

@@ -68,7 +68,7 @@ function TimeExceededError (source) {
 util.inherits (TimeExceededError, Error);
 
 function Session (options) {
-	this.retries = (options && options.retries) ? options.retries : 1;
+	this.retries = (options && options.retries != undefined) ? options.retries : 1;
 	this.timeout = (options && options.timeout) ? options.timeout : 2000;
 
 	this.packetSize = (options && options.packetSize) ? options.packetSize : 16;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "net-ping",
-  "version": "1.1.10",
+  "version": "1.1.11",
   "description": "Ping and trace route to many hosts at once.",
   "main": "index.js",
   "directories": {