Initial commit

node_modules/ping/lib/builder/factory.js

@@ -0,0 +1,113 @@
+'use strict';
+
+var __ = require('underscore');
+var util = require('util');
+
+// Our library
+var linuxBuilder = require('./linux');
+var macBuilder = require('./mac');
+var winBuilder = require('./win');
+
+/**
+ * A factory creates argument builders for different platform
+ * @constructor
+ */
+function factory() {}
+
+/**
+ * Check out linux platform
+ */
+factory.isLinux = function (p) {
+    var platforms = [
+        'aix',
+        'android',
+        'linux',
+    ];
+
+    return platforms.indexOf(p) >= 0;
+};
+
+/**
+ * Check out macos platform
+ */
+factory.isMacOS = function (p) {
+    var platforms = [
+        'darwin',
+        'freebsd',
+    ];
+
+    return platforms.indexOf(p) >= 0;
+};
+
+/**
+ * Check out window platform
+ */
+factory.isWindow = function (p) {
+    return p && p.match(/^win/) !== null;
+};
+
+/**
+ * Check whether given platform is supported
+ * @param {string} p - Name of the platform
+ * @return {bool} - True or False
+ */
+factory.isPlatformSupport = function (p) {
+    return __.some([
+        this.isWindow(p),
+        this.isLinux(p),
+        this.isMacOS(p),
+    ]);
+};
+
+/**
+ * Return a path to the ping executable in the system
+ * @param {string} platform - Name of the platform
+ * @param {bool} v6 - Ping via ipv6 or not
+ * @return {string} - Executable path for system command ping
+ * @throw if given platform is not supported
+ */
+factory.getExecutablePath = function (platform, v6) {
+    if (!this.isPlatformSupport(platform)) {
+        throw new Error(util.format('Platform |%s| is not support', platform));
+    }
+
+    var ret = null;
+
+    if (platform === 'aix') {
+        ret = '/usr/sbin/ping';
+    } else if (factory.isLinux(platform)) {
+        ret = v6 ? 'ping6' : 'ping';
+    } else if (factory.isWindow(platform)) {
+        ret = process.env.SystemRoot + '/system32/ping.exe';
+    } else if (factory.isMacOS(platform)) {
+        ret = v6 ? '/sbin/ping6' : '/sbin/ping';
+    }
+
+    return ret;
+};
+
+/**
+ * Create a builder
+ * @param {string} platform - Name of the platform
+ * @return {object} - Argument builder
+ * @throw if given platform is not supported
+ */
+factory.createBuilder = function (platform) {
+    if (!this.isPlatformSupport(platform)) {
+        throw new Error(util.format('Platform |%s| is not support', platform));
+    }
+
+    var ret = null;
+
+    if (factory.isLinux(platform)) {
+        ret = linuxBuilder;
+    } else if (factory.isWindow(platform)) {
+        ret = winBuilder;
+    } else if (factory.isMacOS(platform)) {
+        ret = macBuilder;
+    }
+
+    return ret;
+};
+
+module.exports = factory;