commit 30700581e647fb804df556f6c5ed1491f4776e0d
Author: brettlangdon <brett@blangdon.com>
Date:   Fri Oct 18 19:57:24 2013 -0700

    initial commit, version 0.1.0

diff --git a/README.md b/README.md
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+cmdsrv
+======
+[![NPM version](https://badge.fury.io/js/cmdsrv.png)](http://badge.fury.io/js/cmdsrv)
+
+`cmdsrv` is a simple text protocol server that allows you to easily define the protocol and it's handlers.
+
+The goal of `cmdsrv` is to be a very simplistic way to create your own text based protocol (like the memcached protocol).
+
+## Example Protocol
+```
+GET <KEY>
+SET <KEY> <VALUE>
+DEL <KEY>
+STATS
+```
+
+## Installation
+### Via Git
+```bash
+git clone git://github.com/brettlangdon/cmdsrv.git
+cd ./cmdsrv
+npm install
+```
+### Via NPM
+```bash
+npm install cmdsrv
+```
+
+## Usage
+```javascript
+var cmdsrv = require("cmdsrv");
+
+var data = {};
+
+var server = new cmdsrv();
+
+server.on("get", function(connection, key){
+    // `connection` is just a normal `net.Socket` connection
+    var result = data[key] or "";
+    connection.write("RESULT " + result + "\r\n");
+});
+
+server.on("set", function(connection, key, value){
+    data[key] = value;
+    connection.write("SAVED\r\n");
+});
+
+server.start();
+```
+
+## API
+
+### cmdsrv([options])
+This is the constructor for `cmdsrv` and should be invoked as `new cmdsrv()`.
+
+#### options
+* `port` - which port to bind to when calling `start` (default: `3223`)
+* `delimiter` - which character to split each command on (default: `" "`)
+* `caseSensitive` - whether or not the commands should be case sensitive (default: `false`)
+
+### cmdsrv.on(command, handler)
+Received commands are emitted to any handlers listening for that command.
+
+#### command
+`command` is the command you want to be able to handle with `handler`.
+For example, `"get"` would mean that `handler` gets called for each call to the `"get"` command.
+
+If `caseSensitive == true` then `"GET" !== "get"`
+
+#### handler
+`handler` is a function which gets called every time the `command` is seen.
+
+The definition for `handler` will be `(connection, [arg1, arg2, ...])`, where `connection` is
+the client connection (useful for sending responses back with `connection.write(data)`) and the args
+are the arguments sent with the command. For example if the client sent the command `"get hello"` then
+the function definition for `handler` might look like `function(connection, key)` where `connection` is the
+`net.Socket` of the user who sent the command and `key` is `"hello"`.
+
+### cmdsrv.start(callback)
+Start the server.
+
+#### callback
+An options callback that gets called when the server is listening.
+
+## Default Events
+* `error` - this is simply the client connection error event being bubbled up to the server.
+
+## License
+```
+The MIT License (MIT)
+
+Copyright (c) 2013 Brett Langdon <brett@blangdon.com> (http://www.brett.is)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+```
diff --git a/example.js b/example.js
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+var cmdsrv = require("./");
+
+var data = {};
+
+var server = new cmdsrv();
+
+server.on("get", function(connection, key){
+    var result = data[key] || "";
+    connection.write("RESULT " + result + "\r\n");
+});
+
+server.on("set", function(connection, key, value){
+    data[key] = value;
+    connection.write("SAVED\r\n");
+});
+
+server.start();
diff --git a/lib/index.js b/lib/index.js
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+var EventEmitter = require("events").EventEmitter;
+var net = require("net");
+var util = require("util");
+
+var emitLines = function(buffer, emitter){
+    var pos = buffer.indexOf("\n");
+    while(~pos){
+        emitter.emit("line", buffer.substring(0, pos));
+        buffer = buffer.substring(pos + 1);
+        pos = buffer.indexOf("\n");
+    }
+    return buffer;
+};
+
+var cmdsrv = function(options){
+    EventEmitter.call(this);
+
+    options = options || {};
+
+    this.port = options["port"] || 3223;
+    if(!this.port || typeof(this.port) !== "number"){
+        throw new Error("cmdsrv: `port` paramter must be a 'number'");
+    }
+
+    this.caseSensitive = options["caseSensitive"] || false;
+    this.delimiter = options["delimiter"] || " ";
+
+    var self = this;
+    this.server = net.createServer(function(connection){
+        self.handle(connection);
+    });
+};
+util.inherits(cmdsrv, EventEmitter);
+
+cmdsrv.prototype.handle = function(connection){
+    var self = this;
+    var buffer = "";
+
+    connection.on("line", function(line){
+        var parts = line.trim().split(self.delimiter);
+
+        if(!parts.length){
+            return;
+        }
+
+        if(!self.caseSensitive){
+            parts[0] = parts[0].toLowerCase();
+        }
+
+        var cmd = parts.shift();
+        parts.unshift(connection);
+        parts.unshift(cmd);
+
+        self.emit.apply(self, parts);
+    });
+
+    connection.on("data", function(data){
+        buffer += data;
+        buffer = emitLines(buffer, connection);
+    });
+
+    connection.on("end", function(){
+        buffer = emitLines(buffer, connection);
+        if(buffer){
+            connection.emit("line", buffer);
+        }
+    });
+
+    connection.on("error", function(err){
+        self.emit("error", err);
+    });
+};
+
+cmdsrv.prototype.start = function(callback){
+    var self = this;
+    callback = callback || function(){
+        console.log("cmdsrv listening on port " + self.port);
+    }
+    this.server.listen(this.port, callback);
+};
+
+
+return module.exports = cmdsrv;
diff --git a/package.json b/package.json
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+++ b/package.json
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+{
+  "name": "cmdsrv",
+  "version": "0.1.0",
+  "description": "simple text protocol command server",
+  "main": "lib/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/brettlangdon/cmdsrv.git"
+  },
+  "keywords": [
+    "text",
+    "protocol",
+    "command",
+    "server"
+  ],
+  "author": "Brett Langdon <http://brett.is/> (brett@blangdon.com)",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/brettlangdon/cmdsrv/issues"
+  }
+}