diff options
Diffstat (limited to 'vnfmarket/src/main/webapp/vnfmarket/node_modules/redis/index.js')
| -rw-r--r-- | vnfmarket/src/main/webapp/vnfmarket/node_modules/redis/index.js | 1113 |
1 files changed, 0 insertions, 1113 deletions
diff --git a/vnfmarket/src/main/webapp/vnfmarket/node_modules/redis/index.js b/vnfmarket/src/main/webapp/vnfmarket/node_modules/redis/index.js deleted file mode 100644 index 61cb4e91..00000000 --- a/vnfmarket/src/main/webapp/vnfmarket/node_modules/redis/index.js +++ /dev/null @@ -1,1113 +0,0 @@ -/*global Buffer require exports console setTimeout */ - -var net = require("net"), - util = require("./lib/util"), - Queue = require("./lib/queue"), - to_array = require("./lib/to_array"), - events = require("events"), - crypto = require("crypto"), - parsers = [], commands, - connection_id = 0, - default_port = 6379, - default_host = "127.0.0.1"; - -// can set this to true to enable for all connections -exports.debug_mode = false; - -// hiredis might not be installed -try { - require("./lib/parser/hiredis"); - parsers.push(require("./lib/parser/hiredis")); -} catch (err) { - if (exports.debug_mode) { - console.warn("hiredis parser not installed."); - } -} - -parsers.push(require("./lib/parser/javascript")); - -function RedisClient(stream, options) { - this.stream = stream; - this.options = options = options || {}; - - this.connection_id = ++connection_id; - this.connected = false; - this.ready = false; - this.connections = 0; - if (this.options.socket_nodelay === undefined) { - this.options.socket_nodelay = true; - } - this.should_buffer = false; - this.command_queue_high_water = this.options.command_queue_high_water || 1000; - this.command_queue_low_water = this.options.command_queue_low_water || 0; - this.max_attempts = null; - if (options.max_attempts && !isNaN(options.max_attempts) && options.max_attempts > 0) { - this.max_attempts = +options.max_attempts; - } - this.command_queue = new Queue(); // holds sent commands to de-pipeline them - this.offline_queue = new Queue(); // holds commands issued but not able to be sent - this.commands_sent = 0; - this.connect_timeout = false; - if (options.connect_timeout && !isNaN(options.connect_timeout) && options.connect_timeout > 0) { - this.connect_timeout = +options.connect_timeout; - } - - this.enable_offline_queue = true; - if (typeof this.options.enable_offline_queue === "boolean") { - this.enable_offline_queue = this.options.enable_offline_queue; - } - - this.initialize_retry_vars(); - this.pub_sub_mode = false; - this.subscription_set = {}; - this.monitoring = false; - this.closing = false; - this.server_info = {}; - this.auth_pass = null; - this.parser_module = null; - this.selected_db = null; // save the selected db here, used when reconnecting - - this.old_state = null; - - var self = this; - - this.stream.on("connect", function () { - self.on_connect(); - }); - - this.stream.on("data", function (buffer_from_socket) { - self.on_data(buffer_from_socket); - }); - - this.stream.on("error", function (msg) { - self.on_error(msg.message); - }); - - this.stream.on("close", function () { - self.connection_gone("close"); - }); - - this.stream.on("end", function () { - self.connection_gone("end"); - }); - - this.stream.on("drain", function () { - self.should_buffer = false; - self.emit("drain"); - }); - - events.EventEmitter.call(this); -} -util.inherits(RedisClient, events.EventEmitter); -exports.RedisClient = RedisClient; - -RedisClient.prototype.initialize_retry_vars = function () { - this.retry_timer = null; - this.retry_totaltime = 0; - this.retry_delay = 150; - this.retry_backoff = 1.7; - this.attempts = 1; -}; - -// flush offline_queue and command_queue, erroring any items with a callback first -RedisClient.prototype.flush_and_error = function (message) { - var command_obj; - while (this.offline_queue.length > 0) { - command_obj = this.offline_queue.shift(); - if (typeof command_obj.callback === "function") { - command_obj.callback(message); - } - } - this.offline_queue = new Queue(); - - while (this.command_queue.length > 0) { - command_obj = this.command_queue.shift(); - if (typeof command_obj.callback === "function") { - command_obj.callback(message); - } - } - this.command_queue = new Queue(); -}; - -RedisClient.prototype.on_error = function (msg) { - var message = "Redis connection to " + this.host + ":" + this.port + " failed - " + msg, - self = this, command_obj; - - if (this.closing) { - return; - } - - if (exports.debug_mode) { - console.warn(message); - } - - this.flush_and_error(message); - - this.connected = false; - this.ready = false; - - this.emit("error", new Error(message)); - // "error" events get turned into exceptions if they aren't listened for. If the user handled this error - // then we should try to reconnect. - this.connection_gone("error"); -}; - -RedisClient.prototype.do_auth = function () { - var self = this; - - if (exports.debug_mode) { - console.log("Sending auth to " + self.host + ":" + self.port + " id " + self.connection_id); - } - self.send_anyway = true; - self.send_command("auth", [this.auth_pass], function (err, res) { - if (err) { - if (err.toString().match("LOADING")) { - // if redis is still loading the db, it will not authenticate and everything else will fail - console.log("Redis still loading, trying to authenticate later"); - setTimeout(function () { - self.do_auth(); - }, 2000); // TODO - magic number alert - return; - } else { - return self.emit("error", new Error("Auth error: " + err.message)); - } - } - if (res.toString() !== "OK") { - return self.emit("error", new Error("Auth failed: " + res.toString())); - } - if (exports.debug_mode) { - console.log("Auth succeeded " + self.host + ":" + self.port + " id " + self.connection_id); - } - if (self.auth_callback) { - self.auth_callback(err, res); - self.auth_callback = null; - } - - // now we are really connected - self.emit("connect"); - if (self.options.no_ready_check) { - self.on_ready(); - } else { - self.ready_check(); - } - }); - self.send_anyway = false; -}; - -RedisClient.prototype.on_connect = function () { - if (exports.debug_mode) { - console.log("Stream connected " + this.host + ":" + this.port + " id " + this.connection_id); - } - var self = this; - - this.connected = true; - this.ready = false; - this.attempts = 0; - this.connections += 1; - this.command_queue = new Queue(); - this.emitted_end = false; - this.initialize_retry_vars(); - if (this.options.socket_nodelay) { - this.stream.setNoDelay(); - } - this.stream.setTimeout(0); - - this.init_parser(); - - if (this.auth_pass) { - this.do_auth(); - } else { - this.emit("connect"); - - if (this.options.no_ready_check) { - this.on_ready(); - } else { - this.ready_check(); - } - } -}; - -RedisClient.prototype.init_parser = function () { - var self = this; - - if (this.options.parser) { - if (! parsers.some(function (parser) { - if (parser.name === self.options.parser) { - self.parser_module = parser; - if (exports.debug_mode) { - console.log("Using parser module: " + self.parser_module.name); - } - return true; - } - })) { - throw new Error("Couldn't find named parser " + self.options.parser + " on this system"); - } - } else { - if (exports.debug_mode) { - console.log("Using default parser module: " + parsers[0].name); - } - this.parser_module = parsers[0]; - } - - this.parser_module.debug_mode = exports.debug_mode; - - // return_buffers sends back Buffers from parser to callback. detect_buffers sends back Buffers from parser, but - // converts to Strings if the input arguments are not Buffers. - this.reply_parser = new this.parser_module.Parser({ - return_buffers: self.options.return_buffers || self.options.detect_buffers || false - }); - - // "reply error" is an error sent back by Redis - this.reply_parser.on("reply error", function (reply) { - self.return_error(new Error(reply)); - }); - this.reply_parser.on("reply", function (reply) { - self.return_reply(reply); - }); - // "error" is bad. Somehow the parser got confused. It'll try to reset and continue. - this.reply_parser.on("error", function (err) { - self.emit("error", new Error("Redis reply parser error: " + err.stack)); - }); -}; - -RedisClient.prototype.on_ready = function () { - var self = this; - - this.ready = true; - - if (this.old_state !== null) { - this.monitoring = this.old_state.monitoring; - this.pub_sub_mode = this.old_state.pub_sub_mode; - this.selected_db = this.old_state.selected_db; - this.old_state = null; - } - - // magically restore any modal commands from a previous connection - if (this.selected_db !== null) { - this.send_command('select', [this.selected_db]); - } - if (this.pub_sub_mode === true) { - // only emit "ready" when all subscriptions were made again - var callback_count = 0; - var callback = function() { - callback_count--; - if (callback_count == 0) { - self.emit("ready"); - } - } - Object.keys(this.subscription_set).forEach(function (key) { - var parts = key.split(" "); - if (exports.debug_mode) { - console.warn("sending pub/sub on_ready " + parts[0] + ", " + parts[1]); - } - callback_count++; - self.send_command(parts[0] + "scribe", [parts[1]], callback); - }); - return; - } else if (this.monitoring) { - this.send_command("monitor"); - } else { - this.send_offline_queue(); - } - this.emit("ready"); -}; - -RedisClient.prototype.on_info_cmd = function (err, res) { - var self = this, obj = {}, lines, retry_time; - - if (err) { - return self.emit("error", new Error("Ready check failed: " + err.message)); - } - - lines = res.toString().split("\r\n"); - - lines.forEach(function (line) { - var parts = line.split(':'); - if (parts[1]) { - obj[parts[0]] = parts[1]; - } - }); - - obj.versions = []; - obj.redis_version.split('.').forEach(function (num) { - obj.versions.push(+num); - }); - - // expose info key/vals to users - this.server_info = obj; - - if (!obj.loading || (obj.loading && obj.loading === "0")) { - if (exports.debug_mode) { - console.log("Redis server ready."); - } - this.on_ready(); - } else { - retry_time = obj.loading_eta_seconds * 1000; - if (retry_time > 1000) { - retry_time = 1000; - } - if (exports.debug_mode) { - console.log("Redis server still loading, trying again in " + retry_time); - } - setTimeout(function () { - self.ready_check(); - }, retry_time); - } -}; - -RedisClient.prototype.ready_check = function () { - var self = this; - - if (exports.debug_mode) { - console.log("checking server ready state..."); - } - - this.send_anyway = true; // secret flag to send_command to send something even if not "ready" - this.info(function (err, res) { - self.on_info_cmd(err, res); - }); - this.send_anyway = false; -}; - -RedisClient.prototype.send_offline_queue = function () { - var command_obj, buffered_writes = 0; - - while (this.offline_queue.length > 0) { - command_obj = this.offline_queue.shift(); - if (exports.debug_mode) { - console.log("Sending offline command: " + command_obj.command); - } - buffered_writes += !this.send_command(command_obj.command, command_obj.args, command_obj.callback); - } - this.offline_queue = new Queue(); - // Even though items were shifted off, Queue backing store still uses memory until next add, so just get a new Queue - - if (!buffered_writes) { - this.should_buffer = false; - this.emit("drain"); - } -}; - -RedisClient.prototype.connection_gone = function (why) { - var self = this, message; - - // If a retry is already in progress, just let that happen - if (this.retry_timer) { - return; - } - - if (exports.debug_mode) { - console.warn("Redis connection is gone from " + why + " event."); - } - this.connected = false; - this.ready = false; - - if (this.old_state === null) { - var state = { - monitoring: this.monitoring, - pub_sub_mode: this.pub_sub_mode, - selected_db: this.selected_db - }; - this.old_state = state; - this.monitoring = false; - this.pub_sub_mode = false; - this.selected_db = null; - } - - // since we are collapsing end and close, users don't expect to be called twice - if (! this.emitted_end) { - this.emit("end"); - this.emitted_end = true; - } - - this.flush_and_error("Redis connection gone from " + why + " event."); - - // If this is a requested shutdown, then don't retry - if (this.closing) { - this.retry_timer = null; - if (exports.debug_mode) { - console.warn("connection ended from quit command, not retrying."); - } - return; - } - - this.retry_delay = Math.floor(this.retry_delay * this.retry_backoff); - - if (exports.debug_mode) { - console.log("Retry connection in " + this.current_retry_delay + " ms"); - } - - if (this.max_attempts && this.attempts >= this.max_attempts) { - this.retry_timer = null; - // TODO - some people need a "Redis is Broken mode" for future commands that errors immediately, and others - // want the program to exit. Right now, we just log, which doesn't really help in either case. - console.error("node_redis: Couldn't get Redis connection after " + this.max_attempts + " attempts."); - return; - } - - this.attempts += 1; - this.emit("reconnecting", { - delay: self.retry_delay, - attempt: self.attempts - }); - this.retry_timer = setTimeout(function () { - if (exports.debug_mode) { - console.log("Retrying connection..."); - } - - self.retry_totaltime += self.current_retry_delay; - - if (self.connect_timeout && self.retry_totaltime >= self.connect_timeout) { - self.retry_timer = null; - // TODO - engage Redis is Broken mode for future commands, or whatever - console.error("node_redis: Couldn't get Redis connection after " + self.retry_totaltime + "ms."); - return; - } - - self.stream.connect(self.port, self.host); - self.retry_timer = null; - }, this.retry_delay); -}; - -RedisClient.prototype.on_data = function (data) { - if (exports.debug_mode) { - console.log("net read " + this.host + ":" + this.port + " id " + this.connection_id + ": " + data.toString()); - } - - try { - this.reply_parser.execute(data); - } catch (err) { - // This is an unexpected parser problem, an exception that came from the parser code itself. - // Parser should emit "error" events if it notices things are out of whack. - // Callbacks that throw exceptions will land in return_reply(), below. - // TODO - it might be nice to have a different "error" event for different types of errors - this.emit("error", err); - } -}; - -RedisClient.prototype.return_error = function (err) { - var command_obj = this.command_queue.shift(), queue_len = this.command_queue.getLength(); - - if (this.pub_sub_mode === false && queue_len === 0) { - this.emit("idle"); - this.command_queue = new Queue(); - } - if (this.should_buffer && queue_len <= this.command_queue_low_water) { - this.emit("drain"); - this.should_buffer = false; - } - - if (command_obj && typeof command_obj.callback === "function") { - try { - command_obj.callback(err); - } catch (callback_err) { - // if a callback throws an exception, re-throw it on a new stack so the parser can keep going - process.nextTick(function () { - throw callback_err; - }); - } - } else { - console.log("node_redis: no callback to send error: " + err.message); - // this will probably not make it anywhere useful, but we might as well throw - process.nextTick(function () { - throw err; - }); - } -}; - -// if a callback throws an exception, re-throw it on a new stack so the parser can keep going. -// put this try/catch in its own function because V8 doesn't optimize this well yet. -function try_callback(callback, reply) { - try { - callback(null, reply); - } catch (err) { - process.nextTick(function () { - throw err; - }); - } -} - -// hgetall converts its replies to an Object. If the reply is empty, null is returned. -function reply_to_object(reply) { - var obj = {}, j, jl, key, val; - - if (reply.length === 0) { - return null; - } - - for (j = 0, jl = reply.length; j < jl; j += 2) { - key = reply[j].toString(); - val = reply[j + 1]; - obj[key] = val; - } - - return obj; -} - -function reply_to_strings(reply) { - var i; - - if (Buffer.isBuffer(reply)) { - return reply.toString(); - } - - if (Array.isArray(reply)) { - for (i = 0; i < reply.length; i++) { - reply[i] = reply[i].toString(); - } - return reply; - } - - return reply; -} - -RedisClient.prototype.return_reply = function (reply) { - var command_obj, obj, i, len, type, timestamp, argindex, args, queue_len; - - command_obj = this.command_queue.shift(), - queue_len = this.command_queue.getLength(); - - if (this.pub_sub_mode === false && queue_len === 0) { - this.emit("idle"); - this.command_queue = new Queue(); // explicitly reclaim storage from old Queue - } - if (this.should_buffer && queue_len <= this.command_queue_low_water) { - this.emit("drain"); - this.should_buffer = false; - } - - if (command_obj && !command_obj.sub_command) { - if (typeof command_obj.callback === "function") { - if (this.options.detect_buffers && command_obj.buffer_args === false) { - // If detect_buffers option was specified, then the reply from the parser will be Buffers. - // If this command did not use Buffer arguments, then convert the reply to Strings here. - reply = reply_to_strings(reply); - } - - // TODO - confusing and error-prone that hgetall is special cased in two places - if (reply && 'hgetall' === command_obj.command.toLowerCase()) { - reply = reply_to_object(reply); - } - - try_callback(command_obj.callback, reply); - } else if (exports.debug_mode) { - console.log("no callback for reply: " + (reply && reply.toString && reply.toString())); - } - } else if (this.pub_sub_mode || (command_obj && command_obj.sub_command)) { - if (Array.isArray(reply)) { - type = reply[0].toString(); - - if (type === "message") { - this.emit("message", reply[1].toString(), reply[2]); // channel, message - } else if (type === "pmessage") { - this.emit("pmessage", reply[1].toString(), reply[2].toString(), reply[3]); // pattern, channel, message - } else if (type === "subscribe" || type === "unsubscribe" || type === "psubscribe" || type === "punsubscribe") { - if (reply[2] === 0) { - this.pub_sub_mode = false; - if (this.debug_mode) { - console.log("All subscriptions removed, exiting pub/sub mode"); - } - } else { - this.pub_sub_mode = true; - } - // subscribe commands take an optional callback and also emit an event, but only the first response is included in the callback - // TODO - document this or fix it so it works in a more obvious way - if (command_obj && typeof command_obj.callback === "function") { - try_callback(command_obj.callback, reply[1].toString()); - } - this.emit(type, reply[1].toString(), reply[2]); // channel, count - } else { - throw new Error("subscriptions are active but got unknown reply type " + type); - } - } else if (! this.closing) { - throw new Error("subscriptions are active but got an invalid reply: " + reply); - } - } else if (this.monitoring) { - len = reply.indexOf(" "); - timestamp = reply.slice(0, len); - argindex = reply.indexOf('"'); - args = reply.slice(argindex + 1, -1).split('" "').map(function (elem) { - return elem.replace(/\\"/g, '"'); - }); - this.emit("monitor", timestamp, args); - } else { - throw new Error("node_redis command queue state error. If you can reproduce this, please report it."); - } -}; - -// This Command constructor is ever so slightly faster than using an object literal, but more importantly, using -// a named constructor helps it show up meaningfully in the V8 CPU profiler and in heap snapshots. -function Command(command, args, sub_command, buffer_args, callback) { - this.command = command; - this.args = args; - this.sub_command = sub_command; - this.buffer_args = buffer_args; - this.callback = callback; -} - -RedisClient.prototype.send_command = function (command, args, callback) { - var arg, this_args, command_obj, i, il, elem_count, buffer_args, stream = this.stream, command_str = "", buffered_writes = 0, last_arg_type; - - if (typeof command !== "string") { - throw new Error("First argument to send_command must be the command name string, not " + typeof command); - } - - if (Array.isArray(args)) { - if (typeof callback === "function") { - // probably the fastest way: - // client.command([arg1, arg2], cb); (straight passthrough) - // send_command(command, [arg1, arg2], cb); - } else if (! callback) { - // most people find this variable argument length form more convenient, but it uses arguments, which is slower - // client.command(arg1, arg2, cb); (wraps up arguments into an array) - // send_command(command, [arg1, arg2, cb]); - // client.command(arg1, arg2); (callback is optional) - // send_command(command, [arg1, arg2]); - // client.command(arg1, arg2, undefined); (callback is undefined) - // send_command(command, [arg1, arg2, undefined]); - last_arg_type = typeof args[args.length - 1]; - if (last_arg_type === "function" || last_arg_type === "undefined") { - callback = args.pop(); - } - } else { - throw new Error("send_command: last argument must be a callback or undefined"); - } - } else { - throw new Error("send_command: second argument must be an array"); - } - - // if the last argument is an array and command is sadd, expand it out: - // client.sadd(arg1, [arg2, arg3, arg4], cb); - // converts to: - // client.sadd(arg1, arg2, arg3, arg4, cb); - if ((command === 'sadd' || command === 'SADD') && args.length > 0 && Array.isArray(args[args.length - 1])) { - args = args.slice(0, -1).concat(args[args.length - 1]); - } - - buffer_args = false; - for (i = 0, il = args.length, arg; i < il; i += 1) { - if (Buffer.isBuffer(args[i])) { - buffer_args = true; - } - } - - command_obj = new Command(command, args, false, buffer_args, callback); - - if ((!this.ready && !this.send_anyway) || !stream.writable) { - if (exports.debug_mode) { - if (!stream.writable) { - console.log("send command: stream is not writeable."); - } - } - - if (this.enable_offline_queue) { - if (exports.debug_mode) { - console.log("Queueing " + command + " for next server connection."); - } - this.offline_queue.push(command_obj); - this.should_buffer = true; - } else { - var not_writeable_error = new Error('send_command: stream not writeable. enable_offline_queue is false'); - if (command_obj.callback) { - command_obj.callback(not_writeable_error); - } else { - throw not_writeable_error; - } - } - - return false; - } - - if (command === "subscribe" || command === "psubscribe" || command === "unsubscribe" || command === "punsubscribe") { - this.pub_sub_command(command_obj); - } else if (command === "monitor") { - this.monitoring = true; - } else if (command === "quit") { - this.closing = true; - } else if (this.pub_sub_mode === true) { - throw new Error("Connection in pub/sub mode, only pub/sub commands may be used"); - } - this.command_queue.push(command_obj); - this.commands_sent += 1; - - elem_count = args.length + 1; - - // Always use "Multi bulk commands", but if passed any Buffer args, then do multiple writes, one for each arg. - // This means that using Buffers in commands is going to be slower, so use Strings if you don't already have a Buffer. - - command_str = "*" + elem_count + "\r\n$" + command.length + "\r\n" + command + "\r\n"; - - if (! buffer_args) { // Build up a string and send entire command in one write - for (i = 0, il = args.length, arg; i < il; i += 1) { - arg = args[i]; - if (typeof arg !== "string") { - arg = String(arg); - } - command_str += "$" + Buffer.byteLength(arg) + "\r\n" + arg + "\r\n"; - } - if (exports.debug_mode) { - console.log("send " + this.host + ":" + this.port + " id " + this.connection_id + ": " + command_str); - } - buffered_writes += !stream.write(command_str); - } else { - if (exports.debug_mode) { - console.log("send command (" + command_str + ") has Buffer arguments"); - } - buffered_writes += !stream.write(command_str); - - for (i = 0, il = args.length, arg; i < il; i += 1) { - arg = args[i]; - if (!(Buffer.isBuffer(arg) || arg instanceof String)) { - arg = String(arg); - } - - if (Buffer.isBuffer(arg)) { - if (arg.length === 0) { - if (exports.debug_mode) { - console.log("send_command: using empty string for 0 length buffer"); - } - buffered_writes += !stream.write("$0\r\n\r\n"); - } else { - buffered_writes += !stream.write("$" + arg.length + "\r\n"); - buffered_writes += !stream.write(arg); - buffered_writes += !stream.write("\r\n"); - if (exports.debug_mode) { - console.log("send_command: buffer send " + arg.length + " bytes"); - } - } - } else { - if (exports.debug_mode) { - console.log("send_command: string send " + Buffer.byteLength(arg) + " bytes: " + arg); - } - buffered_writes += !stream.write("$" + Buffer.byteLength(arg) + "\r\n" + arg + "\r\n"); - } - } - } - if (exports.debug_mode) { - console.log("send_command buffered_writes: " + buffered_writes, " should_buffer: " + this.should_buffer); - } - if (buffered_writes || this.command_queue.getLength() >= this.command_queue_high_water) { - this.should_buffer = true; - } - return !this.should_buffer; -}; - -RedisClient.prototype.pub_sub_command = function (command_obj) { - var i, key, command, args; - - if (this.pub_sub_mode === false && exports.debug_mode) { - console.log("Entering pub/sub mode from " + command_obj.command); - } - this.pub_sub_mode = true; - command_obj.sub_command = true; - - command = command_obj.command; - args = command_obj.args; - if (command === "subscribe" || command === "psubscribe") { - if (command === "subscribe") { - key = "sub"; - } else { - key = "psub"; - } - for (i = 0; i < args.length; i++) { - this.subscription_set[key + " " + args[i]] = true; - } - } else { - if (command === "unsubscribe") { - key = "sub"; - } else { - key = "psub"; - } - for (i = 0; i < args.length; i++) { - delete this.subscription_set[key + " " + args[i]]; - } - } -}; - -RedisClient.prototype.end = function () { - this.stream._events = {}; - this.connected = false; - this.ready = false; - return this.stream.end(); -}; - -function Multi(client, args) { - this.client = client; - this.queue = [["MULTI"]]; - if (Array.isArray(args)) { - this.queue = this.queue.concat(args); - } -} - -exports.Multi = Multi; - -// take 2 arrays and return the union of their elements -function set_union(seta, setb) { - var obj = {}; - - seta.forEach(function (val) { - obj[val] = true; - }); - setb.forEach(function (val) { - obj[val] = true; - }); - return Object.keys(obj); -} - -// This static list of commands is updated from time to time. ./lib/commands.js can be updated with generate_commands.js -commands = set_union(["get", "set", "setnx", "setex", "append", "strlen", "del", "exists", "setbit", "getbit", "setrange", "getrange", "substr", - "incr", "decr", "mget", "rpush", "lpush", "rpushx", "lpushx", "linsert", "rpop", "lpop", "brpop", "brpoplpush", "blpop", "llen", "lindex", - "lset", "lrange", "ltrim", "lrem", "rpoplpush", "sadd", "srem", "smove", "sismember", "scard", "spop", "srandmember", "sinter", "sinterstore", - "sunion", "sunionstore", "sdiff", "sdiffstore", "smembers", "zadd", "zincrby", "zrem", "zremrangebyscore", "zremrangebyrank", "zunionstore", - "zinterstore", "zrange", "zrangebyscore", "zrevrangebyscore", "zcount", "zrevrange", "zcard", "zscore", "zrank", "zrevrank", "hset", "hsetnx", - "hget", "hmset", "hmget", "hincrby", "hdel", "hlen", "hkeys", "hvals", "hgetall", "hexists", "incrby", "decrby", "getset", "mset", "msetnx", - "randomkey", "select", "move", "rename", "renamenx", "expire", "expireat", "keys", "dbsize", "auth", "ping", "echo", "save", "bgsave", - "bgrewriteaof", "shutdown", "lastsave", "type", "multi", "exec", "discard", "sync", "flushdb", "flushall", "sort", "info", "monitor", "ttl", - "persist", "slaveof", "debug", "config", "subscribe", "unsubscribe", "psubscribe", "punsubscribe", "publish", "watch", "unwatch", "cluster", - "restore", "migrate", "dump", "object", "client", "eval", "evalsha"], require("./lib/commands")); - -commands.forEach(function (command) { - RedisClient.prototype[command] = function (args, callback) { - if (Array.isArray(args) && typeof callback === "function") { - return this.send_command(command, args, callback); - } else { - return this.send_command(command, to_array(arguments)); - } - }; - RedisClient.prototype[command.toUpperCase()] = RedisClient.prototype[command]; - - Multi.prototype[command] = function () { - this.queue.push([command].concat(to_array(arguments))); - return this; - }; - Multi.prototype[command.toUpperCase()] = Multi.prototype[command]; -}); - -// store db in this.select_db to restore it on reconnect -RedisClient.prototype.select = function (db, callback) { - var self = this; - - this.send_command('select', [db], function (err, res) { - if (err === null) { - self.selected_db = db; - } - if (typeof(callback) === 'function') { - callback(err, res); - } - }); -}; -RedisClient.prototype.SELECT = RedisClient.prototype.select; - -// Stash auth for connect and reconnect. Send immediately if already connected. -RedisClient.prototype.auth = function () { - var args = to_array(arguments); - this.auth_pass = args[0]; - this.auth_callback = args[1]; - if (exports.debug_mode) { - console.log("Saving auth as " + this.auth_pass); - } - - if (this.connected) { - this.send_command("auth", args); - } -}; -RedisClient.prototype.AUTH = RedisClient.prototype.auth; - -RedisClient.prototype.hmget = function (arg1, arg2, arg3) { - if (Array.isArray(arg2) && typeof arg3 === "function") { - return this.send_command("hmget", [arg1].concat(arg2), arg3); - } else if (Array.isArray(arg1) && typeof arg2 === "function") { - return this.send_command("hmget", arg1, arg2); - } else { - return this.send_command("hmget", to_array(arguments)); - } -}; -RedisClient.prototype.HMGET = RedisClient.prototype.hmget; - -RedisClient.prototype.hmset = function (args, callback) { - var tmp_args, tmp_keys, i, il, key; - - if (Array.isArray(args) && typeof callback === "function") { - return this.send_command("hmset", args, callback); - } - - args = to_array(arguments); - if (typeof args[args.length - 1] === "function") { - callback = args[args.length - 1]; - args.length -= 1; - } else { - callback = null; - } - - if (args.length === 2 && typeof args[0] === "string" && typeof args[1] === "object") { - // User does: client.hmset(key, {key1: val1, key2: val2}) - tmp_args = [ args[0] ]; - tmp_keys = Object.keys(args[1]); - for (i = 0, il = tmp_keys.length; i < il ; i++) { - key = tmp_keys[i]; - tmp_args.push(key); - if (typeof args[1][key] !== "string") { - var err = new Error("hmset expected value to be a string", key, ":", args[1][key]); - if (callback) return callback(err); - else throw err; - } - tmp_args.push(args[1][key]); - } - args = tmp_args; - } - - return this.send_command("hmset", args, callback); -}; -RedisClient.prototype.HMSET = RedisClient.prototype.hmset; - -Multi.prototype.hmset = function () { - var args = to_array(arguments), tmp_args; - if (args.length >= 2 && typeof args[0] === "string" && typeof args[1] === "object") { - tmp_args = [ "hmset", args[0] ]; - Object.keys(args[1]).map(function (key) { - tmp_args.push(key); - tmp_args.push(args[1][key]); - }); - if (args[2]) { - tmp_args.push(args[2]); - } - args = tmp_args; - } else { - args.unshift("hmset"); - } - - this.queue.push(args); - return this; -}; -Multi.prototype.HMSET = Multi.prototype.hmset; - -Multi.prototype.exec = function (callback) { - var self = this; - - // drain queue, callback will catch "QUEUED" or error - // TODO - get rid of all of these anonymous functions which are elegant but slow - this.queue.forEach(function (args, index) { - var command = args[0], obj; - if (typeof args[args.length - 1] === "function") { - args = args.slice(1, -1); - } else { - args = args.slice(1); - } - if (args.length === 1 && Array.isArray(args[0])) { - args = args[0]; - } - if (command.toLowerCase() === 'hmset' && typeof args[1] === 'object') { - obj = args.pop(); - Object.keys(obj).forEach(function (key) { - args.push(key); - args.push(obj[key]); - }); - } - this.client.send_command(command, args, function (err, reply) { - if (err) { - var cur = self.queue[index]; - if (typeof cur[cur.length - 1] === "function") { - cur[cur.length - 1](err); - } else { - throw new Error(err); - } - self.queue.splice(index, 1); - } - }); - }, this); - - // TODO - make this callback part of Multi.prototype instead of creating it each time - return this.client.send_command("EXEC", [], function (err, replies) { - if (err) { - if (callback) { - callback(new Error(err)); - return; - } else { - throw new Error(err); - } - } - - var i, il, j, jl, reply, args; - - if (replies) { - for (i = 1, il = self.queue.length; i < il; i += 1) { - reply = replies[i - 1]; - args = self.queue[i]; - - // TODO - confusing and error-prone that hgetall is special cased in two places - if (reply && args[0].toLowerCase() === "hgetall") { - replies[i - 1] = reply = reply_to_object(reply); - } - - if (typeof args[args.length - 1] === "function") { - args[args.length - 1](null, reply); - } - } - } - - if (callback) { - callback(null, replies); - } - }); -}; -Multi.prototype.EXEC = Multi.prototype.exec; - -RedisClient.prototype.multi = function (args) { - return new Multi(this, args); -}; -RedisClient.prototype.MULTI = function (args) { - return new Multi(this, args); -}; - - -// stash original eval method -var eval = RedisClient.prototype.eval; -// hook eval with an attempt to evalsha for cached scripts -RedisClient.prototype.eval = -RedisClient.prototype.EVAL = function () { - var self = this, - args = to_array(arguments), - callback; - - if (typeof args[args.length - 1] === "function") { - callback = args.pop(); - } - - // replace script source with sha value - var source = args[0]; - args[0] = crypto.createHash("sha1").update(source).digest("hex"); - - self.evalsha(args, function (err, reply) { - if (err && /NOSCRIPT/.test(err.message)) { - args[0] = source; - eval.call(self, args, callback); - - } else if (callback) { - callback(err, reply); - } - }); -}; - - -exports.createClient = function (port_arg, host_arg, options) { - var port = port_arg || default_port, - host = host_arg || default_host, - redis_client, net_client; - - net_client = net.createConnection(port, host); - - redis_client = new RedisClient(net_client, options); - - redis_client.port = port; - redis_client.host = host; - - return redis_client; -}; - -exports.print = function (err, reply) { - if (err) { - console.log("Error: " + err); - } else { - console.log("Reply: " + reply); - } -}; |