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Diffstat (limited to 'dgbuilder/core_nodes/storage/65-redisout.js')
-rw-r--r-- | dgbuilder/core_nodes/storage/65-redisout.js | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/dgbuilder/core_nodes/storage/65-redisout.js b/dgbuilder/core_nodes/storage/65-redisout.js deleted file mode 100644 index 907e2a55..00000000 --- a/dgbuilder/core_nodes/storage/65-redisout.js +++ /dev/null @@ -1,107 +0,0 @@ -/** - * Copyright 2013 IBM Corp. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - **/ - -module.exports = function(RED) { - "use strict"; - var util = require("util"); - var redis = require("redis"); - - var hashFieldRE = /^([^=]+)=(.*)$/; - - var redisConnectionPool = function() { - var connections = {}; - var obj = { - get: function(host,port) { - var id = host+":"+port; - if (!connections[id]) { - connections[id] = redis.createClient(port,host); - connections[id].on("error",function(err) { - util.log("[redis] "+err); - }); - connections[id].on("connect",function() { - util.log("[redis] connected to "+host+":"+port); - }); - connections[id]._id = id; - connections[id]._nodeCount = 0; - } - connections[id]._nodeCount += 1; - return connections[id]; - }, - close: function(connection) { - connection._nodeCount -= 1; - if (connection._nodeCount === 0) { - if (connection) { - clearTimeout(connection.retry_timer); - connection.end(); - } - delete connections[connection._id]; - } - } - }; - return obj; - }(); - - - function RedisOutNode(n) { - RED.nodes.createNode(this,n); - this.port = n.port||"6379"; - this.hostname = n.hostname||"127.0.0.1"; - this.key = n.key; - this.structtype = n.structtype; - - this.client = redisConnectionPool.get(this.hostname,this.port); - - if (this.client.connected) { - this.status({fill:"green",shape:"dot",text:"connected"}); - } else { - this.status({fill:"red",shape:"ring",text:"disconnected"},true); - } - - var node = this; - this.client.on("end", function() { - node.status({fill:"red",shape:"ring",text:"disconnected"}); - }); - this.client.on("connect", function() { - node.status({fill:"green",shape:"dot",text:"connected"}); - }); - - this.on("input", function(msg) { - var k = this.key || msg.topic; - if (k) { - if (this.structtype == "string") { - this.client.set(k,RED.util.ensureString(msg.payload)); - } else if (this.structtype == "hash") { - var r = hashFieldRE.exec(msg.payload); - if (r) { - this.client.hset(k,r[1],r[2]); - } else { - this.warn("Invalid payload for redis hash"); - } - } else if (this.structtype == "set") { - this.client.sadd(k,msg.payload); - } else if (this.structtype == "list") { - this.client.rpush(k,msg.payload); - } - } else { - this.warn("No key or topic set"); - } - }); - this.on("close", function() { - redisConnectionPool.close(node.client); - }); - } - RED.nodes.registerType("redis out",RedisOutNode); -} |