From 9609c910612b1d3cfa2779a9fc4689704e177d97 Mon Sep 17 00:00:00 2001 From: Sergey Lukin Date: Tue, 16 Jun 2015 10:53:02 +0300 Subject: initial commit --- index.html | 166 +++++ js/minified.js | 1 + js/mqttws31.js | 2143 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ js/sortable.js | 319 +++++++++ 4 files changed, 2629 insertions(+) create mode 100644 index.html create mode 100644 js/minified.js create mode 100644 js/mqttws31.js create mode 100644 js/sortable.js diff --git a/index.html b/index.html new file mode 100644 index 0000000..6d5fc04 --- /dev/null +++ b/index.html @@ -0,0 +1,166 @@ + + + + + Alpine Linux builds + + + + + + + + + +

Alpine Linux Builds:

+ + + + + + + + + + + + +
#hostactivityaport builtaport total
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+/******************************************************************************* + * Copyright (c) 2013 IBM Corp. + * + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * and Eclipse Distribution License v1.0 which accompany this distribution. + * + * The Eclipse Public License is available at + * http://www.eclipse.org/legal/epl-v10.html + * and the Eclipse Distribution License is available at + * http://www.eclipse.org/org/documents/edl-v10.php. + * + * Contributors: + * Andrew Banks - initial API and implementation and initial documentation + *******************************************************************************/ + + +// Only expose a single object name in the global namespace. +// Everything must go through this module. Global Paho.MQTT module +// only has a single public function, client, which returns +// a Paho.MQTT client object given connection details. + +/** + * Send and receive messages using web browsers. + *

+ * This programming interface lets a JavaScript client application use the MQTT V3.1 or + * V3.1.1 protocol to connect to an MQTT-supporting messaging server. + * + * The function supported includes: + *

    + *
  1. Connecting to and disconnecting from a server. The server is identified by its host name and port number. + *
  2. Specifying options that relate to the communications link with the server, + * for example the frequency of keep-alive heartbeats, and whether SSL/TLS is required. + *
  3. Subscribing to and receiving messages from MQTT Topics. + *
  4. Publishing messages to MQTT Topics. + *
+ *

+ * The API consists of two main objects: + *

+ *
{@link Paho.MQTT.Client}
+ *
This contains methods that provide the functionality of the API, + * including provision of callbacks that notify the application when a message + * arrives from or is delivered to the messaging server, + * or when the status of its connection to the messaging server changes.
+ *
{@link Paho.MQTT.Message}
+ *
This encapsulates the payload of the message along with various attributes + * associated with its delivery, in particular the destination to which it has + * been (or is about to be) sent.
+ *
+ *

+ * The programming interface validates parameters passed to it, and will throw + * an Error containing an error message intended for developer use, if it detects + * an error with any parameter. + *

+ * Example: + * + * 

+client = new Paho.MQTT.Client(location.hostname, Number(location.port), "clientId");
+client.onConnectionLost = onConnectionLost;
+client.onMessageArrived = onMessageArrived;
+client.connect({onSuccess:onConnect});
+
+function onConnect() {
+  // Once a connection has been made, make a subscription and send a message.
+  console.log("onConnect");
+  client.subscribe("/World");
+  message = new Paho.MQTT.Message("Hello");
+  message.destinationName = "/World";
+  client.send(message); 
+};
+function onConnectionLost(responseObject) {
+  if (responseObject.errorCode !== 0)
+	console.log("onConnectionLost:"+responseObject.errorMessage);
+};
+function onMessageArrived(message) {
+  console.log("onMessageArrived:"+message.payloadString);
+  client.disconnect(); 
+};	
+ *
+ * @namespace Paho.MQTT + */ + +if (typeof Paho === "undefined") { + Paho = {}; +} + +Paho.MQTT = (function (global) { + + // Private variables below, these are only visible inside the function closure + // which is used to define the module. + + var version = "1.0.1"; + var buildLevel = "2014-11-18T11:57:44Z"; + + /** + * Unique message type identifiers, with associated + * associated integer values. + * @private + */ + var MESSAGE_TYPE = { + CONNECT: 1, + CONNACK: 2, + PUBLISH: 3, + PUBACK: 4, + PUBREC: 5, + PUBREL: 6, + PUBCOMP: 7, + SUBSCRIBE: 8, + SUBACK: 9, + UNSUBSCRIBE: 10, + UNSUBACK: 11, + PINGREQ: 12, + PINGRESP: 13, + DISCONNECT: 14 + }; + + // Collection of utility methods used to simplify module code + // and promote the DRY pattern. + + /** + * Validate an object's parameter names to ensure they + * match a list of expected variables name for this option + * type. Used to ensure option object passed into the API don't + * contain erroneous parameters. + * @param {Object} obj - User options object + * @param {Object} keys - valid keys and types that may exist in obj. + * @throws {Error} Invalid option parameter found. + * @private + */ + var validate = function(obj, keys) { + for (var key in obj) { + if (obj.hasOwnProperty(key)) { + if (keys.hasOwnProperty(key)) { + if (typeof obj[key] !== keys[key]) + throw new Error(format(ERROR.INVALID_TYPE, [typeof obj[key], key])); + } else { + var errorStr = "Unknown property, " + key + ". Valid properties are:"; + for (var key in keys) + if (keys.hasOwnProperty(key)) + errorStr = errorStr+" "+key; + throw new Error(errorStr); + } + } + } + }; + + /** + * Return a new function which runs the user function bound + * to a fixed scope. + * @param {function} User function + * @param {object} Function scope + * @return {function} User function bound to another scope + * @private + */ + var scope = function (f, scope) { + return function () { + return f.apply(scope, arguments); + }; + }; + + /** + * Unique message type identifiers, with associated + * associated integer values. + * @private + */ + var ERROR = { + OK: {code:0, text:"AMQJSC0000I OK."}, + CONNECT_TIMEOUT: {code:1, text:"AMQJSC0001E Connect timed out."}, + SUBSCRIBE_TIMEOUT: {code:2, text:"AMQJS0002E Subscribe timed out."}, + UNSUBSCRIBE_TIMEOUT: {code:3, text:"AMQJS0003E Unsubscribe timed out."}, + PING_TIMEOUT: {code:4, text:"AMQJS0004E Ping timed out."}, + INTERNAL_ERROR: {code:5, text:"AMQJS0005E Internal error. Error Message: {0}, Stack trace: {1}"}, + CONNACK_RETURNCODE: {code:6, text:"AMQJS0006E Bad Connack return code:{0} {1}."}, + SOCKET_ERROR: {code:7, text:"AMQJS0007E Socket error:{0}."}, + SOCKET_CLOSE: {code:8, text:"AMQJS0008I Socket closed."}, + MALFORMED_UTF: {code:9, text:"AMQJS0009E Malformed UTF data:{0} {1} {2}."}, + UNSUPPORTED: {code:10, text:"AMQJS0010E {0} is not supported by this browser."}, + INVALID_STATE: {code:11, text:"AMQJS0011E Invalid state {0}."}, + INVALID_TYPE: {code:12, text:"AMQJS0012E Invalid type {0} for {1}."}, + INVALID_ARGUMENT: {code:13, text:"AMQJS0013E Invalid argument {0} for {1}."}, + UNSUPPORTED_OPERATION: {code:14, text:"AMQJS0014E Unsupported operation."}, + INVALID_STORED_DATA: {code:15, text:"AMQJS0015E Invalid data in local storage key={0} value={1}."}, + INVALID_MQTT_MESSAGE_TYPE: {code:16, text:"AMQJS0016E Invalid MQTT message type {0}."}, + MALFORMED_UNICODE: {code:17, text:"AMQJS0017E Malformed Unicode string:{0} {1}."}, + }; + + /** CONNACK RC Meaning. */ + var CONNACK_RC = { + 0:"Connection Accepted", + 1:"Connection Refused: unacceptable protocol version", + 2:"Connection Refused: identifier rejected", + 3:"Connection Refused: server unavailable", + 4:"Connection Refused: bad user name or password", + 5:"Connection Refused: not authorized" + }; + + /** + * Format an error message text. + * @private + * @param {error} ERROR.KEY value above. + * @param {substitutions} [array] substituted into the text. + * @return the text with the substitutions made. + */ + var format = function(error, substitutions) { + var text = error.text; + if (substitutions) { + var field,start; + for (var i=0; i 0) { + var part1 = text.substring(0,start); + var part2 = text.substring(start+field.length); + text = part1+substitutions[i]+part2; + } + } + } + return text; + }; + + //MQTT protocol and version 6 M Q I s d p 3 + var MqttProtoIdentifierv3 = [0x00,0x06,0x4d,0x51,0x49,0x73,0x64,0x70,0x03]; + //MQTT proto/version for 311 4 M Q T T 4 + var MqttProtoIdentifierv4 = [0x00,0x04,0x4d,0x51,0x54,0x54,0x04]; + + /** + * Construct an MQTT wire protocol message. + * @param type MQTT packet type. + * @param options optional wire message attributes. + * + * Optional properties + * + * messageIdentifier: message ID in the range [0..65535] + * payloadMessage: Application Message - PUBLISH only + * connectStrings: array of 0 or more Strings to be put into the CONNECT payload + * topics: array of strings (SUBSCRIBE, UNSUBSCRIBE) + * requestQoS: array of QoS values [0..2] + * + * "Flag" properties + * cleanSession: true if present / false if absent (CONNECT) + * willMessage: true if present / false if absent (CONNECT) + * isRetained: true if present / false if absent (CONNECT) + * userName: true if present / false if absent (CONNECT) + * password: true if present / false if absent (CONNECT) + * keepAliveInterval: integer [0..65535] (CONNECT) + * + * @private + * @ignore + */ + var WireMessage = function (type, options) { + this.type = type; + for (var name in options) { + if (options.hasOwnProperty(name)) { + this[name] = options[name]; + } + } + }; + + WireMessage.prototype.encode = function() { + // Compute the first byte of the fixed header + var first = ((this.type & 0x0f) << 4); + + /* + * Now calculate the length of the variable header + payload by adding up the lengths + * of all the component parts + */ + + var remLength = 0; + var topicStrLength = new Array(); + var destinationNameLength = 0; + + // if the message contains a messageIdentifier then we need two bytes for that + if (this.messageIdentifier != undefined) + remLength += 2; + + switch(this.type) { + // If this a Connect then we need to include 12 bytes for its header + case MESSAGE_TYPE.CONNECT: + switch(this.mqttVersion) { + case 3: + remLength += MqttProtoIdentifierv3.length + 3; + break; + case 4: + remLength += MqttProtoIdentifierv4.length + 3; + break; + } + + remLength += UTF8Length(this.clientId) + 2; + if (this.willMessage != undefined) { + remLength += UTF8Length(this.willMessage.destinationName) + 2; + // Will message is always a string, sent as UTF-8 characters with a preceding length. + var willMessagePayloadBytes = this.willMessage.payloadBytes; + if (!(willMessagePayloadBytes instanceof Uint8Array)) + willMessagePayloadBytes = new Uint8Array(payloadBytes); + remLength += willMessagePayloadBytes.byteLength +2; + } + if (this.userName != undefined) + remLength += UTF8Length(this.userName) + 2; + if (this.password != undefined) + remLength += UTF8Length(this.password) + 2; + break; + + // Subscribe, Unsubscribe can both contain topic strings + case MESSAGE_TYPE.SUBSCRIBE: + first |= 0x02; // Qos = 1; + for ( var i = 0; i < this.topics.length; i++) { + topicStrLength[i] = UTF8Length(this.topics[i]); + remLength += topicStrLength[i] + 2; + } + remLength += this.requestedQos.length; // 1 byte for each topic's Qos + // QoS on Subscribe only + break; + + case MESSAGE_TYPE.UNSUBSCRIBE: + first |= 0x02; // Qos = 1; + for ( var i = 0; i < this.topics.length; i++) { + topicStrLength[i] = UTF8Length(this.topics[i]); + remLength += topicStrLength[i] + 2; + } + break; + + case MESSAGE_TYPE.PUBREL: + first |= 0x02; // Qos = 1; + break; + + case MESSAGE_TYPE.PUBLISH: + if (this.payloadMessage.duplicate) first |= 0x08; + first = first |= (this.payloadMessage.qos << 1); + if (this.payloadMessage.retained) first |= 0x01; + destinationNameLength = UTF8Length(this.payloadMessage.destinationName); + remLength += destinationNameLength + 2; + var payloadBytes = this.payloadMessage.payloadBytes; + remLength += payloadBytes.byteLength; + if (payloadBytes instanceof ArrayBuffer) + payloadBytes = new Uint8Array(payloadBytes); + else if (!(payloadBytes instanceof Uint8Array)) + payloadBytes = new Uint8Array(payloadBytes.buffer); + break; + + case MESSAGE_TYPE.DISCONNECT: + break; + + default: + ; + } + + // Now we can allocate a buffer for the message + + var mbi = encodeMBI(remLength); // Convert the length to MQTT MBI format + var pos = mbi.length + 1; // Offset of start of variable header + var buffer = new ArrayBuffer(remLength + pos); + var byteStream = new Uint8Array(buffer); // view it as a sequence of bytes + + //Write the fixed header into the buffer + byteStream[0] = first; + byteStream.set(mbi,1); + + // If this is a PUBLISH then the variable header starts with a topic + if (this.type == MESSAGE_TYPE.PUBLISH) + pos = writeString(this.payloadMessage.destinationName, destinationNameLength, byteStream, pos); + // If this is a CONNECT then the variable header contains the protocol name/version, flags and keepalive time + + else if (this.type == MESSAGE_TYPE.CONNECT) { + switch (this.mqttVersion) { + case 3: + byteStream.set(MqttProtoIdentifierv3, pos); + pos += MqttProtoIdentifierv3.length; + break; + case 4: + byteStream.set(MqttProtoIdentifierv4, pos); + pos += MqttProtoIdentifierv4.length; + break; + } + var connectFlags = 0; + if (this.cleanSession) + connectFlags = 0x02; + if (this.willMessage != undefined ) { + connectFlags |= 0x04; + connectFlags |= (this.willMessage.qos<<3); + if (this.willMessage.retained) { + connectFlags |= 0x20; + } + } + if (this.userName != undefined) + connectFlags |= 0x80; + if (this.password != undefined) + connectFlags |= 0x40; + byteStream[pos++] = connectFlags; + pos = writeUint16 (this.keepAliveInterval, byteStream, pos); + } + + // Output the messageIdentifier - if there is one + if (this.messageIdentifier != undefined) + pos = writeUint16 (this.messageIdentifier, byteStream, pos); + + switch(this.type) { + case MESSAGE_TYPE.CONNECT: + pos = writeString(this.clientId, UTF8Length(this.clientId), byteStream, pos); + if (this.willMessage != undefined) { + pos = writeString(this.willMessage.destinationName, UTF8Length(this.willMessage.destinationName), byteStream, pos); + pos = writeUint16(willMessagePayloadBytes.byteLength, byteStream, pos); + byteStream.set(willMessagePayloadBytes, pos); + pos += willMessagePayloadBytes.byteLength; + + } + if (this.userName != undefined) + pos = writeString(this.userName, UTF8Length(this.userName), byteStream, pos); + if (this.password != undefined) + pos = writeString(this.password, UTF8Length(this.password), byteStream, pos); + break; + + case MESSAGE_TYPE.PUBLISH: + // PUBLISH has a text or binary payload, if text do not add a 2 byte length field, just the UTF characters. + byteStream.set(payloadBytes, pos); + + break; + +// case MESSAGE_TYPE.PUBREC: +// case MESSAGE_TYPE.PUBREL: +// case MESSAGE_TYPE.PUBCOMP: +// break; + + case MESSAGE_TYPE.SUBSCRIBE: + // SUBSCRIBE has a list of topic strings and request QoS + for (var i=0; i> 4; + var messageInfo = first &= 0x0f; + pos += 1; + + + // Decode the remaining length (MBI format) + + var digit; + var remLength = 0; + var multiplier = 1; + do { + if (pos == input.length) { + return [null,startingPos]; + } + digit = input[pos++]; + remLength += ((digit & 0x7F) * multiplier); + multiplier *= 128; + } while ((digit & 0x80) != 0); + + var endPos = pos+remLength; + if (endPos > input.length) { + return [null,startingPos]; + } + + var wireMessage = new WireMessage(type); + switch(type) { + case MESSAGE_TYPE.CONNACK: + var connectAcknowledgeFlags = input[pos++]; + if (connectAcknowledgeFlags & 0x01) + wireMessage.sessionPresent = true; + wireMessage.returnCode = input[pos++]; + break; + + case MESSAGE_TYPE.PUBLISH: + var qos = (messageInfo >> 1) & 0x03; + + var len = readUint16(input, pos); + pos += 2; + var topicName = parseUTF8(input, pos, len); + pos += len; + // If QoS 1 or 2 there will be a messageIdentifier + if (qos > 0) { + wireMessage.messageIdentifier = readUint16(input, pos); + pos += 2; + } + + var message = new Paho.MQTT.Message(input.subarray(pos, endPos)); + if ((messageInfo & 0x01) == 0x01) + message.retained = true; + if ((messageInfo & 0x08) == 0x08) + message.duplicate = true; + message.qos = qos; + message.destinationName = topicName; + wireMessage.payloadMessage = message; + break; + + case MESSAGE_TYPE.PUBACK: + case MESSAGE_TYPE.PUBREC: + case MESSAGE_TYPE.PUBREL: + case MESSAGE_TYPE.PUBCOMP: + case MESSAGE_TYPE.UNSUBACK: + wireMessage.messageIdentifier = readUint16(input, pos); + break; + + case MESSAGE_TYPE.SUBACK: + wireMessage.messageIdentifier = readUint16(input, pos); + pos += 2; + wireMessage.returnCode = input.subarray(pos, endPos); + break; + + default: + ; + } + + return [wireMessage,endPos]; + } + + function writeUint16(input, buffer, offset) { + buffer[offset++] = input >> 8; //MSB + buffer[offset++] = input % 256; //LSB + return offset; + } + + function writeString(input, utf8Length, buffer, offset) { + offset = writeUint16(utf8Length, buffer, offset); + stringToUTF8(input, buffer, offset); + return offset + utf8Length; + } + + function readUint16(buffer, offset) { + return 256*buffer[offset] + buffer[offset+1]; + } + + /** + * Encodes an MQTT Multi-Byte Integer + * @private + */ + function encodeMBI(number) { + var output = new Array(1); + var numBytes = 0; + + do { + var digit = number % 128; + number = number >> 7; + if (number > 0) { + digit |= 0x80; + } + output[numBytes++] = digit; + } while ( (number > 0) && (numBytes<4) ); + + return output; + } + + /** + * Takes a String and calculates its length in bytes when encoded in UTF8. + * @private + */ + function UTF8Length(input) { + var output = 0; + for (var i = 0; i 0x7FF) + { + // Surrogate pair means its a 4 byte character + if (0xD800 <= charCode && charCode <= 0xDBFF) + { + i++; + output++; + } + output +=3; + } + else if (charCode > 0x7F) + output +=2; + else + output++; + } + return output; + } + + /** + * Takes a String and writes it into an array as UTF8 encoded bytes. + * @private + */ + function stringToUTF8(input, output, start) { + var pos = start; + for (var i = 0; i>6 & 0x1F | 0xC0; + output[pos++] = charCode & 0x3F | 0x80; + } else if (charCode <= 0xFFFF) { + output[pos++] = charCode>>12 & 0x0F | 0xE0; + output[pos++] = charCode>>6 & 0x3F | 0x80; + output[pos++] = charCode & 0x3F | 0x80; + } else { + output[pos++] = charCode>>18 & 0x07 | 0xF0; + output[pos++] = charCode>>12 & 0x3F | 0x80; + output[pos++] = charCode>>6 & 0x3F | 0x80; + output[pos++] = charCode & 0x3F | 0x80; + }; + } + return output; + } + + function parseUTF8(input, offset, length) { + var output = ""; + var utf16; + var pos = offset; + + while (pos < offset+length) + { + var byte1 = input[pos++]; + if (byte1 < 128) + utf16 = byte1; + else + { + var byte2 = input[pos++]-128; + if (byte2 < 0) + throw new Error(format(ERROR.MALFORMED_UTF, [byte1.toString(16), byte2.toString(16),""])); + if (byte1 < 0xE0) // 2 byte character + utf16 = 64*(byte1-0xC0) + byte2; + else + { + var byte3 = input[pos++]-128; + if (byte3 < 0) + throw new Error(format(ERROR.MALFORMED_UTF, [byte1.toString(16), byte2.toString(16), byte3.toString(16)])); + if (byte1 < 0xF0) // 3 byte character + utf16 = 4096*(byte1-0xE0) + 64*byte2 + byte3; + else + { + var byte4 = input[pos++]-128; + if (byte4 < 0) + throw new Error(format(ERROR.MALFORMED_UTF, [byte1.toString(16), byte2.toString(16), byte3.toString(16), byte4.toString(16)])); + if (byte1 < 0xF8) // 4 byte character + utf16 = 262144*(byte1-0xF0) + 4096*byte2 + 64*byte3 + byte4; + else // longer encodings are not supported + throw new Error(format(ERROR.MALFORMED_UTF, [byte1.toString(16), byte2.toString(16), byte3.toString(16), byte4.toString(16)])); + } + } + } + + if (utf16 > 0xFFFF) // 4 byte character - express as a surrogate pair + { + utf16 -= 0x10000; + output += String.fromCharCode(0xD800 + (utf16 >> 10)); // lead character + utf16 = 0xDC00 + (utf16 & 0x3FF); // trail character + } + output += String.fromCharCode(utf16); + } + return output; + } + + /** + * Repeat keepalive requests, monitor responses. + * @ignore + */ + var Pinger = function(client, window, keepAliveInterval) { + this._client = client; + this._window = window; + this._keepAliveInterval = keepAliveInterval*1000; + this.isReset = false; + + var pingReq = new WireMessage(MESSAGE_TYPE.PINGREQ).encode(); + + var doTimeout = function (pinger) { + return function () { + return doPing.apply(pinger); + }; + }; + + /** @ignore */ + var doPing = function() { + if (!this.isReset) { + this._client._trace("Pinger.doPing", "Timed out"); + this._client._disconnected( ERROR.PING_TIMEOUT.code , format(ERROR.PING_TIMEOUT)); + } else { + this.isReset = false; + this._client._trace("Pinger.doPing", "send PINGREQ"); + this._client.socket.send(pingReq); + this.timeout = this._window.setTimeout(doTimeout(this), this._keepAliveInterval); + } + } + + this.reset = function() { + this.isReset = true; + this._window.clearTimeout(this.timeout); + if (this._keepAliveInterval > 0) + this.timeout = setTimeout(doTimeout(this), this._keepAliveInterval); + } + + this.cancel = function() { + this._window.clearTimeout(this.timeout); + } + }; + + /** + * Monitor request completion. + * @ignore + */ + var Timeout = function(client, window, timeoutSeconds, action, args) { + this._window = window; + if (!timeoutSeconds) + timeoutSeconds = 30; + + var doTimeout = function (action, client, args) { + return function () { + return action.apply(client, args); + }; + }; + this.timeout = setTimeout(doTimeout(action, client, args), timeoutSeconds * 1000); + + this.cancel = function() { + this._window.clearTimeout(this.timeout); + } + }; + + /* + * Internal implementation of the Websockets MQTT V3.1 client. + * + * @name Paho.MQTT.ClientImpl @constructor + * @param {String} host the DNS nameof the webSocket host. + * @param {Number} port the port number for that host. + * @param {String} clientId the MQ client identifier. + */ + var ClientImpl = function (uri, host, port, path, clientId) { + // Check dependencies are satisfied in this browser. + if (!("WebSocket" in global && global["WebSocket"] !== null)) { + throw new Error(format(ERROR.UNSUPPORTED, ["WebSocket"])); + } + if (!("localStorage" in global && global["localStorage"] !== null)) { + throw new Error(format(ERROR.UNSUPPORTED, ["localStorage"])); + } + if (!("ArrayBuffer" in global && global["ArrayBuffer"] !== null)) { + throw new Error(format(ERROR.UNSUPPORTED, ["ArrayBuffer"])); + } + this._trace("Paho.MQTT.Client", uri, host, port, path, clientId); + + this.host = host; + this.port = port; + this.path = path; + this.uri = uri; + this.clientId = clientId; + + // Local storagekeys are qualified with the following string. + // The conditional inclusion of path in the key is for backward + // compatibility to when the path was not configurable and assumed to + // be /mqtt + this._localKey=host+":"+port+(path!="/mqtt"?":"+path:"")+":"+clientId+":"; + + // Create private instance-only message queue + // Internal queue of messages to be sent, in sending order. + this._msg_queue = []; + + // Messages we have sent and are expecting a response for, indexed by their respective message ids. + this._sentMessages = {}; + + // Messages we have received and acknowleged and are expecting a confirm message for + // indexed by their respective message ids. + this._receivedMessages = {}; + + // Internal list of callbacks to be executed when messages + // have been successfully sent over web socket, e.g. disconnect + // when it doesn't have to wait for ACK, just message is dispatched. + this._notify_msg_sent = {}; + + // Unique identifier for SEND messages, incrementing + // counter as messages are sent. + this._message_identifier = 1; + + // Used to determine the transmission sequence of stored sent messages. + this._sequence = 0; + + + // Load the local state, if any, from the saved version, only restore state relevant to this client. + for (var key in localStorage) + if ( key.indexOf("Sent:"+this._localKey) == 0 + || key.indexOf("Received:"+this._localKey) == 0) + this.restore(key); + }; + + // Messaging Client public instance members. + ClientImpl.prototype.host; + ClientImpl.prototype.port; + ClientImpl.prototype.path; + ClientImpl.prototype.uri; + ClientImpl.prototype.clientId; + + // Messaging Client private instance members. + ClientImpl.prototype.socket; + /* true once we have received an acknowledgement to a CONNECT packet. */ + ClientImpl.prototype.connected = false; + /* The largest message identifier allowed, may not be larger than 2**16 but + * if set smaller reduces the maximum number of outbound messages allowed. + */ + ClientImpl.prototype.maxMessageIdentifier = 65536; + ClientImpl.prototype.connectOptions; + ClientImpl.prototype.hostIndex; + ClientImpl.prototype.onConnectionLost; + ClientImpl.prototype.onMessageDelivered; + ClientImpl.prototype.onMessageArrived; + ClientImpl.prototype.traceFunction; + ClientImpl.prototype._msg_queue = null; + ClientImpl.prototype._connectTimeout; + /* The sendPinger monitors how long we allow before we send data to prove to the server that we are alive. */ + ClientImpl.prototype.sendPinger = null; + /* The receivePinger monitors how long we allow before we require evidence that the server is alive. */ + ClientImpl.prototype.receivePinger = null; + + ClientImpl.prototype.receiveBuffer = null; + + ClientImpl.prototype._traceBuffer = null; + ClientImpl.prototype._MAX_TRACE_ENTRIES = 100; + + ClientImpl.prototype.connect = function (connectOptions) { + var connectOptionsMasked = this._traceMask(connectOptions, "password"); + this._trace("Client.connect", connectOptionsMasked, this.socket, this.connected); + + if (this.connected) + throw new Error(format(ERROR.INVALID_STATE, ["already connected"])); + if (this.socket) + throw new Error(format(ERROR.INVALID_STATE, ["already connected"])); + + this.connectOptions = connectOptions; + + if (connectOptions.uris) { + this.hostIndex = 0; + this._doConnect(connectOptions.uris[0]); + } else { + this._doConnect(this.uri); + } + + }; + + ClientImpl.prototype.subscribe = function (filter, subscribeOptions) { + this._trace("Client.subscribe", filter, subscribeOptions); + + if (!this.connected) + throw new Error(format(ERROR.INVALID_STATE, ["not connected"])); + + var wireMessage = new WireMessage(MESSAGE_TYPE.SUBSCRIBE); + wireMessage.topics=[filter]; + if (subscribeOptions.qos != undefined) + wireMessage.requestedQos = [subscribeOptions.qos]; + else + wireMessage.requestedQos = [0]; + + if (subscribeOptions.onSuccess) { + wireMessage.onSuccess = function(grantedQos) {subscribeOptions.onSuccess({invocationContext:subscribeOptions.invocationContext,grantedQos:grantedQos});}; + } + + if (subscribeOptions.onFailure) { + wireMessage.onFailure = function(errorCode) {subscribeOptions.onFailure({invocationContext:subscribeOptions.invocationContext,errorCode:errorCode});}; + } + + if (subscribeOptions.timeout) { + wireMessage.timeOut = new Timeout(this, window, subscribeOptions.timeout, subscribeOptions.onFailure + , [{invocationContext:subscribeOptions.invocationContext, + errorCode:ERROR.SUBSCRIBE_TIMEOUT.code, + errorMessage:format(ERROR.SUBSCRIBE_TIMEOUT)}]); + } + + // All subscriptions return a SUBACK. + this._requires_ack(wireMessage); + this._schedule_message(wireMessage); + }; + + /** @ignore */ + ClientImpl.prototype.unsubscribe = function(filter, unsubscribeOptions) { + this._trace("Client.unsubscribe", filter, unsubscribeOptions); + + if (!this.connected) + throw new Error(format(ERROR.INVALID_STATE, ["not connected"])); + + var wireMessage = new WireMessage(MESSAGE_TYPE.UNSUBSCRIBE); + wireMessage.topics = [filter]; + + if (unsubscribeOptions.onSuccess) { + wireMessage.callback = function() {unsubscribeOptions.onSuccess({invocationContext:unsubscribeOptions.invocationContext});}; + } + if (unsubscribeOptions.timeout) { + wireMessage.timeOut = new Timeout(this, window, unsubscribeOptions.timeout, unsubscribeOptions.onFailure + , [{invocationContext:unsubscribeOptions.invocationContext, + errorCode:ERROR.UNSUBSCRIBE_TIMEOUT.code, + errorMessage:format(ERROR.UNSUBSCRIBE_TIMEOUT)}]); + } + + // All unsubscribes return a SUBACK. + this._requires_ack(wireMessage); + this._schedule_message(wireMessage); + }; + + ClientImpl.prototype.send = function (message) { + this._trace("Client.send", message); + + if (!this.connected) + throw new Error(format(ERROR.INVALID_STATE, ["not connected"])); + + wireMessage = new WireMessage(MESSAGE_TYPE.PUBLISH); + wireMessage.payloadMessage = message; + + if (message.qos > 0) + this._requires_ack(wireMessage); + else if (this.onMessageDelivered) + this._notify_msg_sent[wireMessage] = this.onMessageDelivered(wireMessage.payloadMessage); + this._schedule_message(wireMessage); + }; + + ClientImpl.prototype.disconnect = function () { + this._trace("Client.disconnect"); + + if (!this.socket) + throw new Error(format(ERROR.INVALID_STATE, ["not connecting or connected"])); + + wireMessage = new WireMessage(MESSAGE_TYPE.DISCONNECT); + + // Run the disconnected call back as soon as the message has been sent, + // in case of a failure later on in the disconnect processing. + // as a consequence, the _disconected call back may be run several times. + this._notify_msg_sent[wireMessage] = scope(this._disconnected, this); + + this._schedule_message(wireMessage); + }; + + ClientImpl.prototype.getTraceLog = function () { + if ( this._traceBuffer !== null ) { + this._trace("Client.getTraceLog", new Date()); + this._trace("Client.getTraceLog in flight messages", this._sentMessages.length); + for (var key in this._sentMessages) + this._trace("_sentMessages ",key, this._sentMessages[key]); + for (var key in this._receivedMessages) + this._trace("_receivedMessages ",key, this._receivedMessages[key]); + + return this._traceBuffer; + } + }; + + ClientImpl.prototype.startTrace = function () { + if ( this._traceBuffer === null ) { + this._traceBuffer = []; + } + this._trace("Client.startTrace", new Date(), version); + }; + + ClientImpl.prototype.stopTrace = function () { + delete this._traceBuffer; + }; + + ClientImpl.prototype._doConnect = function (wsurl) { + // When the socket is open, this client will send the CONNECT WireMessage using the saved parameters. + if (this.connectOptions.useSSL) { + var uriParts = wsurl.split(":"); + uriParts[0] = "wss"; + wsurl = uriParts.join(":"); + } + this.connected = false; + if (this.connectOptions.mqttVersion < 4) { + this.socket = new WebSocket(wsurl, ["mqttv3.1"]); + } else { + this.socket = new WebSocket(wsurl, ["mqtt"]); + } + this.socket.binaryType = 'arraybuffer'; + + this.socket.onopen = scope(this._on_socket_open, this); + this.socket.onmessage = scope(this._on_socket_message, this); + this.socket.onerror = scope(this._on_socket_error, this); + this.socket.onclose = scope(this._on_socket_close, this); + + this.sendPinger = new Pinger(this, window, this.connectOptions.keepAliveInterval); + this.receivePinger = new Pinger(this, window, this.connectOptions.keepAliveInterval); + + this._connectTimeout = new Timeout(this, window, this.connectOptions.timeout, this._disconnected, [ERROR.CONNECT_TIMEOUT.code, format(ERROR.CONNECT_TIMEOUT)]); + }; + + + // Schedule a new message to be sent over the WebSockets + // connection. CONNECT messages cause WebSocket connection + // to be started. All other messages are queued internally + // until this has happened. When WS connection starts, process + // all outstanding messages. + ClientImpl.prototype._schedule_message = function (message) { + this._msg_queue.push(message); + // Process outstanding messages in the queue if we have an open socket, and have received CONNACK. + if (this.connected) { + this._process_queue(); + } + }; + + ClientImpl.prototype.store = function(prefix, wireMessage) { + var storedMessage = {type:wireMessage.type, messageIdentifier:wireMessage.messageIdentifier, version:1}; + + switch(wireMessage.type) { + case MESSAGE_TYPE.PUBLISH: + if(wireMessage.pubRecReceived) + storedMessage.pubRecReceived = true; + + // Convert the payload to a hex string. + storedMessage.payloadMessage = {}; + var hex = ""; + var messageBytes = wireMessage.payloadMessage.payloadBytes; + for (var i=0; i= 2) { + var x = parseInt(hex.substring(0, 2), 16); + hex = hex.substring(2, hex.length); + byteStream[i++] = x; + } + var payloadMessage = new Paho.MQTT.Message(byteStream); + + payloadMessage.qos = storedMessage.payloadMessage.qos; + payloadMessage.destinationName = storedMessage.payloadMessage.destinationName; + if (storedMessage.payloadMessage.duplicate) + payloadMessage.duplicate = true; + if (storedMessage.payloadMessage.retained) + payloadMessage.retained = true; + wireMessage.payloadMessage = payloadMessage; + + break; + + default: + throw Error(format(ERROR.INVALID_STORED_DATA, [key, value])); + } + + if (key.indexOf("Sent:"+this._localKey) == 0) { + wireMessage.payloadMessage.duplicate = true; + this._sentMessages[wireMessage.messageIdentifier] = wireMessage; + } else if (key.indexOf("Received:"+this._localKey) == 0) { + this._receivedMessages[wireMessage.messageIdentifier] = wireMessage; + } + }; + + ClientImpl.prototype._process_queue = function () { + var message = null; + // Process messages in order they were added + var fifo = this._msg_queue.reverse(); + + // Send all queued messages down socket connection + while ((message = fifo.pop())) { + this._socket_send(message); + // Notify listeners that message was successfully sent + if (this._notify_msg_sent[message]) { + this._notify_msg_sent[message](); + delete this._notify_msg_sent[message]; + } + } + }; + + /** + * Expect an ACK response for this message. Add message to the set of in progress + * messages and set an unused identifier in this message. + * @ignore + */ + ClientImpl.prototype._requires_ack = function (wireMessage) { + var messageCount = Object.keys(this._sentMessages).length; + if (messageCount > this.maxMessageIdentifier) + throw Error ("Too many messages:"+messageCount); + + while(this._sentMessages[this._message_identifier] !== undefined) { + this._message_identifier++; + } + wireMessage.messageIdentifier = this._message_identifier; + this._sentMessages[wireMessage.messageIdentifier] = wireMessage; + if (wireMessage.type === MESSAGE_TYPE.PUBLISH) { + this.store("Sent:", wireMessage); + } + if (this._message_identifier === this.maxMessageIdentifier) { + this._message_identifier = 1; + } + }; + + /** + * Called when the underlying websocket has been opened. + * @ignore + */ + ClientImpl.prototype._on_socket_open = function () { + // Create the CONNECT message object. + var wireMessage = new WireMessage(MESSAGE_TYPE.CONNECT, this.connectOptions); + wireMessage.clientId = this.clientId; + this._socket_send(wireMessage); + }; + + /** + * Called when the underlying websocket has received a complete packet. + * @ignore + */ + ClientImpl.prototype._on_socket_message = function (event) { + this._trace("Client._on_socket_message", event.data); + // Reset the receive ping timer, we now have evidence the server is alive. + this.receivePinger.reset(); + var messages = this._deframeMessages(event.data); + for (var i = 0; i < messages.length; i+=1) { + this._handleMessage(messages[i]); + } + } + + ClientImpl.prototype._deframeMessages = function(data) { + var byteArray = new Uint8Array(data); + if (this.receiveBuffer) { + var newData = new Uint8Array(this.receiveBuffer.length+byteArray.length); + newData.set(this.receiveBuffer); + newData.set(byteArray,this.receiveBuffer.length); + byteArray = newData; + delete this.receiveBuffer; + } + try { + var offset = 0; + var messages = []; + while(offset < byteArray.length) { + var result = decodeMessage(byteArray,offset); + var wireMessage = result[0]; + offset = result[1]; + if (wireMessage !== null) { + messages.push(wireMessage); + } else { + break; + } + } + if (offset < byteArray.length) { + this.receiveBuffer = byteArray.subarray(offset); + } + } catch (error) { + this._disconnected(ERROR.INTERNAL_ERROR.code , format(ERROR.INTERNAL_ERROR, [error.message,error.stack.toString()])); + return; + } + return messages; + } + + ClientImpl.prototype._handleMessage = function(wireMessage) { + + this._trace("Client._handleMessage", wireMessage); + + try { + switch(wireMessage.type) { + case MESSAGE_TYPE.CONNACK: + this._connectTimeout.cancel(); + + // If we have started using clean session then clear up the local state. + if (this.connectOptions.cleanSession) { + for (var key in this._sentMessages) { + var sentMessage = this._sentMessages[key]; + localStorage.removeItem("Sent:"+this._localKey+sentMessage.messageIdentifier); + } + this._sentMessages = {}; + + for (var key in this._receivedMessages) { + var receivedMessage = this._receivedMessages[key]; + localStorage.removeItem("Received:"+this._localKey+receivedMessage.messageIdentifier); + } + this._receivedMessages = {}; + } + // Client connected and ready for business. + if (wireMessage.returnCode === 0) { + this.connected = true; + // Jump to the end of the list of uris and stop looking for a good host. + if (this.connectOptions.uris) + this.hostIndex = this.connectOptions.uris.length; + } else { + this._disconnected(ERROR.CONNACK_RETURNCODE.code , format(ERROR.CONNACK_RETURNCODE, [wireMessage.returnCode, CONNACK_RC[wireMessage.returnCode]])); + break; + } + + // Resend messages. + var sequencedMessages = new Array(); + for (var msgId in this._sentMessages) { + if (this._sentMessages.hasOwnProperty(msgId)) + sequencedMessages.push(this._sentMessages[msgId]); + } + + // Sort sentMessages into the original sent order. + var sequencedMessages = sequencedMessages.sort(function(a,b) {return a.sequence - b.sequence;} ); + for (var i=0, len=sequencedMessages.length; i + * Most applications will create just one Client object and then call its connect() method, + * however applications can create more than one Client object if they wish. + * In this case the combination of host, port and clientId attributes must be different for each Client object. + *

+ * The send, subscribe and unsubscribe methods are implemented as asynchronous JavaScript methods + * (even though the underlying protocol exchange might be synchronous in nature). + * This means they signal their completion by calling back to the application, + * via Success or Failure callback functions provided by the application on the method in question. + * Such callbacks are called at most once per method invocation and do not persist beyond the lifetime + * of the script that made the invocation. + *

+ * In contrast there are some callback functions, most notably onMessageArrived, + * that are defined on the {@link Paho.MQTT.Client} object. + * These may get called multiple times, and aren't directly related to specific method invocations made by the client. + * + * @name Paho.MQTT.Client + * + * @constructor + * + * @param {string} host - the address of the messaging server, as a fully qualified WebSocket URI, as a DNS name or dotted decimal IP address. + * @param {number} port - the port number to connect to - only required if host is not a URI + * @param {string} path - the path on the host to connect to - only used if host is not a URI. Default: '/mqtt'. + * @param {string} clientId - the Messaging client identifier, between 1 and 23 characters in length. + * + * @property {string} host - read only the server's DNS hostname or dotted decimal IP address. + * @property {number} port - read only the server's port. + * @property {string} path - read only the server's path. + * @property {string} clientId - read only used when connecting to the server. + * @property {function} onConnectionLost - called when a connection has been lost. + * after a connect() method has succeeded. + * Establish the call back used when a connection has been lost. The connection may be + * lost because the client initiates a disconnect or because the server or network + * cause the client to be disconnected. The disconnect call back may be called without + * the connectionComplete call back being invoked if, for example the client fails to + * connect. + * A single response object parameter is passed to the onConnectionLost callback containing the following fields: + *

    + *
  1. errorCode + *
  2. errorMessage + *
+ * @property {function} onMessageDelivered called when a message has been delivered. + * All processing that this Client will ever do has been completed. So, for example, + * in the case of a Qos=2 message sent by this client, the PubComp flow has been received from the server + * and the message has been removed from persistent storage before this callback is invoked. + * Parameters passed to the onMessageDelivered callback are: + *
    + *
  1. {@link Paho.MQTT.Message} that was delivered. + *
+ * @property {function} onMessageArrived called when a message has arrived in this Paho.MQTT.client. + * Parameters passed to the onMessageArrived callback are: + *
    + *
  1. {@link Paho.MQTT.Message} that has arrived. + *
+ */ + var Client = function (host, port, path, clientId) { + + var uri; + + if (typeof host !== "string") + throw new Error(format(ERROR.INVALID_TYPE, [typeof host, "host"])); + + if (arguments.length == 2) { + // host: must be full ws:// uri + // port: clientId + clientId = port; + uri = host; + var match = uri.match(/^(wss?):\/\/((\[(.+)\])|([^\/]+?))(:(\d+))?(\/.*)$/); + if (match) { + host = match[4]||match[2]; + port = parseInt(match[7]); + path = match[8]; + } else { + throw new Error(format(ERROR.INVALID_ARGUMENT,[host,"host"])); + } + } else { + if (arguments.length == 3) { + clientId = path; + path = "/mqtt"; + } + if (typeof port !== "number" || port < 0) + throw new Error(format(ERROR.INVALID_TYPE, [typeof port, "port"])); + if (typeof path !== "string") + throw new Error(format(ERROR.INVALID_TYPE, [typeof path, "path"])); + + var ipv6AddSBracket = (host.indexOf(":") != -1 && host.slice(0,1) != "[" && host.slice(-1) != "]"); + uri = "ws://"+(ipv6AddSBracket?"["+host+"]":host)+":"+port+path; + } + + var clientIdLength = 0; + for (var i = 0; i 65535) + throw new Error(format(ERROR.INVALID_ARGUMENT, [clientId, "clientId"])); + + var client = new ClientImpl(uri, host, port, path, clientId); + this._getHost = function() { return host; }; + this._setHost = function() { throw new Error(format(ERROR.UNSUPPORTED_OPERATION)); }; + + this._getPort = function() { return port; }; + this._setPort = function() { throw new Error(format(ERROR.UNSUPPORTED_OPERATION)); }; + + this._getPath = function() { return path; }; + this._setPath = function() { throw new Error(format(ERROR.UNSUPPORTED_OPERATION)); }; + + this._getURI = function() { return uri; }; + this._setURI = function() { throw new Error(format(ERROR.UNSUPPORTED_OPERATION)); }; + + this._getClientId = function() { return client.clientId; }; + this._setClientId = function() { throw new Error(format(ERROR.UNSUPPORTED_OPERATION)); }; + + this._getOnConnectionLost = function() { return client.onConnectionLost; }; + this._setOnConnectionLost = function(newOnConnectionLost) { + if (typeof newOnConnectionLost === "function") + client.onConnectionLost = newOnConnectionLost; + else + throw new Error(format(ERROR.INVALID_TYPE, [typeof newOnConnectionLost, "onConnectionLost"])); + }; + + this._getOnMessageDelivered = function() { return client.onMessageDelivered; }; + this._setOnMessageDelivered = function(newOnMessageDelivered) { + if (typeof newOnMessageDelivered === "function") + client.onMessageDelivered = newOnMessageDelivered; + else + throw new Error(format(ERROR.INVALID_TYPE, [typeof newOnMessageDelivered, "onMessageDelivered"])); + }; + + this._getOnMessageArrived = function() { return client.onMessageArrived; }; + this._setOnMessageArrived = function(newOnMessageArrived) { + if (typeof newOnMessageArrived === "function") + client.onMessageArrived = newOnMessageArrived; + else + throw new Error(format(ERROR.INVALID_TYPE, [typeof newOnMessageArrived, "onMessageArrived"])); + }; + + this._getTrace = function() { return client.traceFunction; }; + this._setTrace = function(trace) { + if(typeof trace === "function"){ + client.traceFunction = trace; + }else{ + throw new Error(format(ERROR.INVALID_TYPE, [typeof trace, "onTrace"])); + } + }; + + /** + * Connect this Messaging client to its server. + * + * @name Paho.MQTT.Client#connect + * @function + * @param {Object} connectOptions - attributes used with the connection. + * @param {number} connectOptions.timeout - If the connect has not succeeded within this + * number of seconds, it is deemed to have failed. + * The default is 30 seconds. + * @param {string} connectOptions.userName - Authentication username for this connection. + * @param {string} connectOptions.password - Authentication password for this connection. + * @param {Paho.MQTT.Message} connectOptions.willMessage - sent by the server when the client + * disconnects abnormally. + * @param {Number} connectOptions.keepAliveInterval - the server disconnects this client if + * there is no activity for this number of seconds. + * The default value of 60 seconds is assumed if not set. + * @param {boolean} connectOptions.cleanSession - if true(default) the client and server + * persistent state is deleted on successful connect. + * @param {boolean} connectOptions.useSSL - if present and true, use an SSL Websocket connection. + * @param {object} connectOptions.invocationContext - passed to the onSuccess callback or onFailure callback. + * @param {function} connectOptions.onSuccess - called when the connect acknowledgement + * has been received from the server. + * A single response object parameter is passed to the onSuccess callback containing the following fields: + *
    + *
  1. invocationContext as passed in to the onSuccess method in the connectOptions. + *
+ * @config {function} [onFailure] called when the connect request has failed or timed out. + * A single response object parameter is passed to the onFailure callback containing the following fields: + *
    + *
  1. invocationContext as passed in to the onFailure method in the connectOptions. + *
  2. errorCode a number indicating the nature of the error. + *
  3. errorMessage text describing the error. + *
+ * @config {Array} [hosts] If present this contains either a set of hostnames or fully qualified + * WebSocket URIs (ws://example.com:1883/mqtt), that are tried in order in place + * of the host and port paramater on the construtor. The hosts are tried one at at time in order until + * one of then succeeds. + * @config {Array} [ports] If present the set of ports matching the hosts. If hosts contains URIs, this property + * is not used. + * @throws {InvalidState} if the client is not in disconnected state. The client must have received connectionLost + * or disconnected before calling connect for a second or subsequent time. + */ + this.connect = function (connectOptions) { + connectOptions = connectOptions || {} ; + validate(connectOptions, {timeout:"number", + userName:"string", + password:"string", + willMessage:"object", + keepAliveInterval:"number", + cleanSession:"boolean", + useSSL:"boolean", + invocationContext:"object", + onSuccess:"function", + onFailure:"function", + hosts:"object", + ports:"object", + mqttVersion:"number"}); + + // If no keep alive interval is set, assume 60 seconds. + if (connectOptions.keepAliveInterval === undefined) + connectOptions.keepAliveInterval = 60; + + if (connectOptions.mqttVersion > 4 || connectOptions.mqttVersion < 3) { + throw new Error(format(ERROR.INVALID_ARGUMENT, [connectOptions.mqttVersion, "connectOptions.mqttVersion"])); + } + + if (connectOptions.mqttVersion === undefined) { + connectOptions.mqttVersionExplicit = false; + connectOptions.mqttVersion = 4; + } else { + connectOptions.mqttVersionExplicit = true; + } + + //Check that if password is set, so is username + if (connectOptions.password === undefined && connectOptions.userName !== undefined) + throw new Error(format(ERROR.INVALID_ARGUMENT, [connectOptions.password, "connectOptions.password"])) + + if (connectOptions.willMessage) { + if (!(connectOptions.willMessage instanceof Message)) + throw new Error(format(ERROR.INVALID_TYPE, [connectOptions.willMessage, "connectOptions.willMessage"])); + // The will message must have a payload that can be represented as a string. + // Cause the willMessage to throw an exception if this is not the case. + connectOptions.willMessage.stringPayload; + + if (typeof connectOptions.willMessage.destinationName === "undefined") + throw new Error(format(ERROR.INVALID_TYPE, [typeof connectOptions.willMessage.destinationName, "connectOptions.willMessage.destinationName"])); + } + if (typeof connectOptions.cleanSession === "undefined") + connectOptions.cleanSession = true; + if (connectOptions.hosts) { + + if (!(connectOptions.hosts instanceof Array) ) + throw new Error(format(ERROR.INVALID_ARGUMENT, [connectOptions.hosts, "connectOptions.hosts"])); + if (connectOptions.hosts.length <1 ) + throw new Error(format(ERROR.INVALID_ARGUMENT, [connectOptions.hosts, "connectOptions.hosts"])); + + var usingURIs = false; + for (var i = 0; i + * @param {object} subscribeOptions - used to control the subscription + * + * @param {number} subscribeOptions.qos - the maiximum qos of any publications sent + * as a result of making this subscription. + * @param {object} subscribeOptions.invocationContext - passed to the onSuccess callback + * or onFailure callback. + * @param {function} subscribeOptions.onSuccess - called when the subscribe acknowledgement + * has been received from the server. + * A single response object parameter is passed to the onSuccess callback containing the following fields: + *
    + *
  1. invocationContext if set in the subscribeOptions. + *
+ * @param {function} subscribeOptions.onFailure - called when the subscribe request has failed or timed out. + * A single response object parameter is passed to the onFailure callback containing the following fields: + *
    + *
  1. invocationContext - if set in the subscribeOptions. + *
  2. errorCode - a number indicating the nature of the error. + *
  3. errorMessage - text describing the error. + *
+ * @param {number} subscribeOptions.timeout - which, if present, determines the number of + * seconds after which the onFailure calback is called. + * The presence of a timeout does not prevent the onSuccess + * callback from being called when the subscribe completes. + * @throws {InvalidState} if the client is not in connected state. + */ + this.subscribe = function (filter, subscribeOptions) { + if (typeof filter !== "string") + throw new Error("Invalid argument:"+filter); + subscribeOptions = subscribeOptions || {} ; + validate(subscribeOptions, {qos:"number", + invocationContext:"object", + onSuccess:"function", + onFailure:"function", + timeout:"number" + }); + if (subscribeOptions.timeout && !subscribeOptions.onFailure) + throw new Error("subscribeOptions.timeout specified with no onFailure callback."); + if (typeof subscribeOptions.qos !== "undefined" + && !(subscribeOptions.qos === 0 || subscribeOptions.qos === 1 || subscribeOptions.qos === 2 )) + throw new Error(format(ERROR.INVALID_ARGUMENT, [subscribeOptions.qos, "subscribeOptions.qos"])); + client.subscribe(filter, subscribeOptions); + }; + + /** + * Unsubscribe for messages, stop receiving messages sent to destinations described by the filter. + * + * @name Paho.MQTT.Client#unsubscribe + * @function + * @param {string} filter - describing the destinations to receive messages from. + * @param {object} unsubscribeOptions - used to control the subscription + * @param {object} unsubscribeOptions.invocationContext - passed to the onSuccess callback + or onFailure callback. + * @param {function} unsubscribeOptions.onSuccess - called when the unsubscribe acknowledgement has been received from the server. + * A single response object parameter is passed to the + * onSuccess callback containing the following fields: + *
    + *
  1. invocationContext - if set in the unsubscribeOptions. + *
+ * @param {function} unsubscribeOptions.onFailure called when the unsubscribe request has failed or timed out. + * A single response object parameter is passed to the onFailure callback containing the following fields: + *
    + *
  1. invocationContext - if set in the unsubscribeOptions. + *
  2. errorCode - a number indicating the nature of the error. + *
  3. errorMessage - text describing the error. + *
+ * @param {number} unsubscribeOptions.timeout - which, if present, determines the number of seconds + * after which the onFailure callback is called. The presence of + * a timeout does not prevent the onSuccess callback from being + * called when the unsubscribe completes + * @throws {InvalidState} if the client is not in connected state. + */ + this.unsubscribe = function (filter, unsubscribeOptions) { + if (typeof filter !== "string") + throw new Error("Invalid argument:"+filter); + unsubscribeOptions = unsubscribeOptions || {} ; + validate(unsubscribeOptions, {invocationContext:"object", + onSuccess:"function", + onFailure:"function", + timeout:"number" + }); + if (unsubscribeOptions.timeout && !unsubscribeOptions.onFailure) + throw new Error("unsubscribeOptions.timeout specified with no onFailure callback."); + client.unsubscribe(filter, unsubscribeOptions); + }; + + /** + * Send a message to the consumers of the destination in the Message. + * + * @name Paho.MQTT.Client#send + * @function + * @param {string|Paho.MQTT.Message} topic - mandatory The name of the destination to which the message is to be sent. + * - If it is the only parameter, used as Paho.MQTT.Message object. + * @param {String|ArrayBuffer} payload - The message data to be sent. + * @param {number} qos The Quality of Service used to deliver the message. + *
+ *
0 Best effort (default). + *
1 At least once. + *
2 Exactly once. + *
+ * @param {Boolean} retained If true, the message is to be retained by the server and delivered + * to both current and future subscriptions. + * If false the server only delivers the message to current subscribers, this is the default for new Messages. + * A received message has the retained boolean set to true if the message was published + * with the retained boolean set to true + * and the subscrption was made after the message has been published. + * @throws {InvalidState} if the client is not connected. + */ + this.send = function (topic,payload,qos,retained) { + var message ; + + if(arguments.length == 0){ + throw new Error("Invalid argument."+"length"); + + }else if(arguments.length == 1) { + + if (!(topic instanceof Message) && (typeof topic !== "string")) + throw new Error("Invalid argument:"+ typeof topic); + + message = topic; + if (typeof message.destinationName === "undefined") + throw new Error(format(ERROR.INVALID_ARGUMENT,[message.destinationName,"Message.destinationName"])); + client.send(message); + + }else { + //parameter checking in Message object + message = new Message(payload); + message.destinationName = topic; + if(arguments.length >= 3) + message.qos = qos; + if(arguments.length >= 4) + message.retained = retained; + client.send(message); + } + }; + + /** + * Normal disconnect of this Messaging client from its server. + * + * @name Paho.MQTT.Client#disconnect + * @function + * @throws {InvalidState} if the client is already disconnected. + */ + this.disconnect = function () { + client.disconnect(); + }; + + /** + * Get the contents of the trace log. + * + * @name Paho.MQTT.Client#getTraceLog + * @function + * @return {Object[]} tracebuffer containing the time ordered trace records. + */ + this.getTraceLog = function () { + return client.getTraceLog(); + } + + /** + * Start tracing. + * + * @name Paho.MQTT.Client#startTrace + * @function + */ + this.startTrace = function () { + client.startTrace(); + }; + + /** + * Stop tracing. + * + * @name Paho.MQTT.Client#stopTrace + * @function + */ + this.stopTrace = function () { + client.stopTrace(); + }; + + this.isConnected = function() { + return client.connected; + }; + }; + + Client.prototype = { + get host() { return this._getHost(); }, + set host(newHost) { this._setHost(newHost); }, + + get port() { return this._getPort(); }, + set port(newPort) { this._setPort(newPort); }, + + get path() { return this._getPath(); }, + set path(newPath) { this._setPath(newPath); }, + + get clientId() { return this._getClientId(); }, + set clientId(newClientId) { this._setClientId(newClientId); }, + + get onConnectionLost() { return this._getOnConnectionLost(); }, + set onConnectionLost(newOnConnectionLost) { this._setOnConnectionLost(newOnConnectionLost); }, + + get onMessageDelivered() { return this._getOnMessageDelivered(); }, + set onMessageDelivered(newOnMessageDelivered) { this._setOnMessageDelivered(newOnMessageDelivered); }, + + get onMessageArrived() { return this._getOnMessageArrived(); }, + set onMessageArrived(newOnMessageArrived) { this._setOnMessageArrived(newOnMessageArrived); }, + + get trace() { return this._getTrace(); }, + set trace(newTraceFunction) { this._setTrace(newTraceFunction); } + + }; + + /** + * An application message, sent or received. + *

+ * All attributes may be null, which implies the default values. + * + * @name Paho.MQTT.Message + * @constructor + * @param {String|ArrayBuffer} payload The message data to be sent. + *

+ * @property {string} payloadString read only The payload as a string if the payload consists of valid UTF-8 characters. + * @property {ArrayBuffer} payloadBytes read only The payload as an ArrayBuffer. + *

+ * @property {string} destinationName mandatory The name of the destination to which the message is to be sent + * (for messages about to be sent) or the name of the destination from which the message has been received. + * (for messages received by the onMessage function). + *

+ * @property {number} qos The Quality of Service used to deliver the message. + *

+ *
0 Best effort (default). + *
1 At least once. + *
2 Exactly once. + *
+ *

+ * @property {Boolean} retained If true, the message is to be retained by the server and delivered + * to both current and future subscriptions. + * If false the server only delivers the message to current subscribers, this is the default for new Messages. + * A received message has the retained boolean set to true if the message was published + * with the retained boolean set to true + * and the subscrption was made after the message has been published. + *

+ * @property {Boolean} duplicate read only If true, this message might be a duplicate of one which has already been received. + * This is only set on messages received from the server. + * + */ + var Message = function (newPayload) { + var payload; + if ( typeof newPayload === "string" + || newPayload instanceof ArrayBuffer + || newPayload instanceof Int8Array + || newPayload instanceof Uint8Array + || newPayload instanceof Int16Array + || newPayload instanceof Uint16Array + || newPayload instanceof Int32Array + || newPayload instanceof Uint32Array + || newPayload instanceof Float32Array + || newPayload instanceof Float64Array + ) { + payload = newPayload; + } else { + throw (format(ERROR.INVALID_ARGUMENT, [newPayload, "newPayload"])); + } + + this._getPayloadString = function () { + if (typeof payload === "string") + return payload; + else + return parseUTF8(payload, 0, payload.length); + }; + + this._getPayloadBytes = function() { + if (typeof payload === "string") { + var buffer = new ArrayBuffer(UTF8Length(payload)); + var byteStream = new Uint8Array(buffer); + stringToUTF8(payload, byteStream, 0); + + return byteStream; + } else { + return payload; + }; + }; + + var destinationName = undefined; + this._getDestinationName = function() { return destinationName; }; + this._setDestinationName = function(newDestinationName) { + if (typeof newDestinationName === "string") + destinationName = newDestinationName; + else + throw new Error(format(ERROR.INVALID_ARGUMENT, [newDestinationName, "newDestinationName"])); + }; + + var qos = 0; + this._getQos = function() { return qos; }; + this._setQos = function(newQos) { + if (newQos === 0 || newQos === 1 || newQos === 2 ) + qos = newQos; + else + throw new Error("Invalid argument:"+newQos); + }; + + var retained = false; + this._getRetained = function() { return retained; }; + this._setRetained = function(newRetained) { + if (typeof newRetained === "boolean") + retained = newRetained; + else + throw new Error(format(ERROR.INVALID_ARGUMENT, [newRetained, "newRetained"])); + }; + + var duplicate = false; + this._getDuplicate = function() { return duplicate; }; + this._setDuplicate = function(newDuplicate) { duplicate = newDuplicate; }; + }; + + Message.prototype = { + get payloadString() { return this._getPayloadString(); }, + get payloadBytes() { return this._getPayloadBytes(); }, + + get destinationName() { return this._getDestinationName(); }, + set destinationName(newDestinationName) { this._setDestinationName(newDestinationName); }, + + get qos() { return this._getQos(); }, + set qos(newQos) { this._setQos(newQos); }, + + get retained() { return this._getRetained(); }, + set retained(newRetained) { this._setRetained(newRetained); }, + + get duplicate() { return this._getDuplicate(); }, + set duplicate(newDuplicate) { this._setDuplicate(newDuplicate); } + }; + + // Module contents. + return { + Client: Client, + Message: Message + }; +})(window); diff --git a/js/sortable.js b/js/sortable.js new file mode 100644 index 0000000..617e090 --- /dev/null +++ b/js/sortable.js @@ -0,0 +1,319 @@ +/* +Table sorting script by Joost de Valk, check it out at http://www.joostdevalk.nl/code/sortable-table/. +Based on a script from http://www.kryogenix.org/code/browser/sorttable/. +Distributed under the MIT license: http://www.kryogenix.org/code/browser/licence.html . + +Copyright (c) 1997-2007 Stuart Langridge, Joost de Valk. + +Version 1.5.7 +*/ + +/* You can change these values */ +var europeandate = true; +var alternate_row_colors = true; + +/* Don't change anything below this unless you know what you're doing */ +addEvent(window, "load", sortables_init); + +var SORT_COLUMN_INDEX; +var thead = false; + +function sortables_init() { + // Find all tables with class sortable and make them sortable + if (!document.getElementsByTagName) return; + tbls = document.getElementsByTagName("table"); + for (ti=0;ti 0) { + if (t.tHead && t.tHead.rows.length > 0) { + var firstRow = t.tHead.rows[t.tHead.rows.length-1]; + thead = true; + } else { + var firstRow = t.rows[0]; + } + } + if (!firstRow) return; + + // We have a first row: assume it's the header, and make its contents clickable links + for (var i=0;i'+txt+'  ↓'; + } + } + if (alternate_row_colors) { + alternate(t); + } +} + +function ts_getInnerText(el) { + if (typeof el == "string") return el; + if (typeof el == "undefined") { return el }; + if (el.innerText) return el.innerText; //Not needed but it is faster + var str = ""; + + var cs = el.childNodes; + var l = cs.length; + for (var i = 0; i < l; i++) { + switch (cs[i].nodeType) { + case 1: //ELEMENT_NODE + str += ts_getInnerText(cs[i]); + break; + case 3: //TEXT_NODE + str += cs[i].nodeValue; + break; + } + } + return str; +} + +function ts_resortTable(lnk, clid) { + var span; + for (var ci=0;ci