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Added list of Nodes to he ReadME so people can see what's there without digging... Bunch of cleanups to node-red-nodes... mainly just removing tabs -> spaces and stuff. No code changes...

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Dave C-J
2013-11-10 17:01:19 +00:00
parent 6425bd75cb
commit 793fd3c7fd
16 changed files with 340 additions and 375 deletions
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121
storage/leveldb/67-leveldb.js
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@@ -18,76 +18,77 @@ var RED = require(process.env.NODE_RED_HOME+"/red/red");
var lvldb = require('level');
function LevelNode(n) {
RED.nodes.createNode(this,n);
this.dbname = n.db;
var node = this;
lvldb(this.dbname, function(err, db) {
if (err) node.error(err);
node.db = db;
});
RED.nodes.createNode(this,n);
this.dbname = n.db;
var node = this;
lvldb(this.dbname, function(err, db) {
if (err) node.error(err);
node.db = db;
});
this.on('close', function() {
if (node.db) { node.db.close(); }
});
}
RED.nodes.registerType("leveldbase",LevelNode);
LevelNode.prototype.close = function() {
this.db.close();
}
function LevelDBNodeIn(n) {
RED.nodes.createNode(this,n);
this.level = n.level;
this.levelConfig = RED.nodes.getNode(this.level);
RED.nodes.createNode(this,n);
this.level = n.level;
this.levelConfig = RED.nodes.getNode(this.level);
if (this.levelConfig) {
var node = this;
node.on("input", function(msg) {
if (typeof msg.topic === 'string') {
node.levelConfig.db.get(msg.topic, function(err, value) {
if (err) {
//node.warn(err);
// for some reason they treat nothing found as an error...
msg.payload = null; // so we should return null
}
else { msg.payload = value; }
node.send(msg);
});
}
else {
if (typeof msg.topic !== 'string') node.error("msg.topic (the key is not defined");
}
});
}
else {
this.error("LevelDB database name not configured");
}
if (this.levelConfig) {
var node = this;
node.on("input", function(msg) {
if (typeof msg.topic === 'string') {
node.levelConfig.db.get(msg.topic, function(err, value) {
if (err) {
//node.warn(err);
// for some reason they treat nothing found as an error...
msg.payload = null; // so we should return null
}
else { msg.payload = value; }
node.send(msg);
});
}
else {
if (typeof msg.topic !== 'string') node.error("msg.topic (the key is not defined");
}
});
}
else {
this.error("LevelDB database name not configured");
}
}
RED.nodes.registerType("leveldb in",LevelDBNodeIn);
function LevelDBNodeOut(n) {
RED.nodes.createNode(this,n);
this.level = n.level;
this.operation = n.operation;
this.levelConfig = RED.nodes.getNode(this.level);
RED.nodes.createNode(this,n);
this.level = n.level;
this.operation = n.operation;
this.levelConfig = RED.nodes.getNode(this.level);
if (this.levelConfig) {
var node = this;
node.on("input", function(msg) {
if (typeof msg.topic === 'string') {
if (node.operation === "delete") {
node.levelConfig.db.del(msg.topic);
}
else {
node.levelConfig.db.put(msg.topic, msg.payload, function(err) {
if (err) node.error(err);
});
}
}
else {
if (typeof msg.topic !== 'string') node.error("msg.topic (the key is not defined");
}
});
}
else {
this.error("LevelDB database name not configured");
}
if (this.levelConfig) {
var node = this;
node.on("input", function(msg) {
if (typeof msg.topic === 'string') {
if (node.operation === "delete") {
node.levelConfig.db.del(msg.topic);
}
else {
node.levelConfig.db.put(msg.topic, msg.payload, function(err) {
if (err) node.error(err);
});
}
}
else {
if (typeof msg.topic !== 'string') node.error("msg.topic (the key is not defined");
}
});
}
else {
this.error("LevelDB database name not configured");
}
}
RED.nodes.registerType("leveldb out",LevelDBNodeOut);