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node_modules/streamws/bin/wscat

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+#!/usr/bin/env node
+
+/*!
+ * ws: a node.js websocket client
+ * Copyright(c) 2011 Einar Otto Stangvik <einaros@gmail.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var WebSocket = require('../')
+  , fs = require('fs')
+  , program = require('commander')
+  , util = require('util')
+  , events = require('events')
+  , readline = require('readline');
+
+/**
+ * InputReader - processes console input
+ */
+
+function Console() {
+  this.stdin = process.stdin;
+  this.stdout = process.stdout;
+
+  this.readlineInterface = readline.createInterface(this.stdin, this.stdout);
+
+  var self = this;
+  this.readlineInterface.on('line', function(data) {
+    self.emit('line', data);
+  });
+  this.readlineInterface.on('close', function() {
+    self.emit('close');
+  });
+
+  this._resetInput = function() {
+    self.clear();
+  }
+}
+util.inherits(Console, events.EventEmitter);
+
+Console.Colors = {
+  Red: '\033[31m',
+  Green: '\033[32m',
+  Yellow: '\033[33m',
+  Blue: '\033[34m',
+  Default: '\033[39m'
+};
+
+Console.prototype.prompt = function() {
+  this.readlineInterface.prompt();
+}
+
+Console.prototype.print = function(msg, color) {
+  this.clear();
+  color = color || Console.Colors.Default;
+  this.stdout.write(color + msg + Console.Colors.Default + '\n');
+  this.prompt();
+}
+
+Console.prototype.clear = function() {
+  this.stdout.write('\033[2K\033[E');
+}
+
+Console.prototype.pause = function() {
+  this.stdin.on('keypress', this._resetInput);
+}
+
+Console.prototype.resume = function() {
+  this.stdin.removeListener('keypress', this._resetInput);
+}
+
+/**
+ * The actual application
+ */
+
+var version = JSON.parse(fs.readFileSync(__dirname + '/../package.json', 'utf8')).version;
+program
+  .version(version)
+  .usage('[options] <url>')
+  .option('-l, --listen <port>', 'listen on port')
+  .option('-c, --connect <url>', 'connect to a websocket server')
+  .option('-p, --protocol <version>', 'optional protocol version')
+  .option('-o, --origin <origin>', 'optional origin')
+  .parse(process.argv);
+
+if (program.listen && program.connect) {
+  console.error('\033[33merror: use either --listen or --connect\033[39m');
+  process.exit(-1);
+}
+else if (program.listen) {
+  var wsConsole = new Console();
+  wsConsole.pause();
+  var options = {};
+  if (program.protocol) options.protocolVersion = program.protocol;
+  if (program.origin) options.origin = program.origin;
+  var ws = null;
+  var wss = new WebSocket.Server({port: program.listen}, function() {
+    wsConsole.print('listening on port ' + program.listen + ' (press CTRL+C to quit)', Console.Colors.Green);
+    wsConsole.clear();
+  });
+  wsConsole.on('close', function() {
+    if (ws) {
+      try {
+        ws.close();
+      }
+      catch (e) {}
+    }
+    process.exit(0);
+  });
+  wsConsole.on('line', function(data) {
+    if (ws) {
+      ws.send(data, {mask: true});
+      wsConsole.prompt();
+    }
+  });
+  wss.on('connection', function(newClient) {
+    if (ws) {
+      // limit to one client
+      newClient.terminate();
+      return;
+    };
+    ws = newClient;
+    wsConsole.resume();
+    wsConsole.prompt();
+    wsConsole.print('client connected', Console.Colors.Green);
+    ws.on('close', function() {
+      wsConsole.print('disconnected', Console.Colors.Green);
+      wsConsole.clear();
+      wsConsole.pause();
+      ws = null;
+    });
+    ws.on('error', function(code, description) {
+      wsConsole.print('error: ' + code + (description ? ' ' + description : ''), Console.Colors.Yellow);
+    });
+    ws.on('message', function(data, flags) {
+      wsConsole.print('< ' + data, Console.Colors.Blue);
+    });
+  });
+  wss.on('error', function(error) {
+    wsConsole.print('error: ' + error.toString(), Console.Colors.Yellow);
+    process.exit(-1);
+  });
+}
+else if (program.connect) {
+  var wsConsole = new Console();
+  var options = {};
+  if (program.protocol) options.protocolVersion = program.protocol;
+  if (program.origin) options.origin = program.origin;
+  var ws = new WebSocket(program.connect, options);
+  ws.on('open', function() {
+    wsConsole.print('connected (press CTRL+C to quit)', Console.Colors.Green);
+    wsConsole.on('line', function(data) {
+      ws.send(data, {mask: true});
+      wsConsole.prompt();
+    });
+  });
+  ws.on('close', function() {
+    wsConsole.print('disconnected', Console.Colors.Green);
+    wsConsole.clear();
+    process.exit();
+  });
+  ws.on('error', function(code, description) {
+    wsConsole.print('error: ' + code + (description ? ' ' + description : ''), Console.Colors.Yellow);
+    process.exit(-1);
+  });
+  ws.on('message', function(data, flags) {
+    wsConsole.print('< ' + data, Console.Colors.Blue);
+  });
+  wsConsole.on('close', function() {
+    if (ws) {
+      try {
+        ws.close();
+      }
+      catch(e) {}
+      process.exit();
+    }
+  });
+}
+else {
+  console.error('\033[33merror: use either --listen or --connect\033[39m');
+  process.exit(-1);
+}