From f67eb6dd25fabb5982b6f7db936a2cd5f6fbd9fb Mon Sep 17 00:00:00 2001
From: Simo Kinnunen <simo@shoqolate.com>
Date: Tue, 7 Jan 2014 10:55:41 +0900
Subject: [PATCH] Minimal start with a custom logger and device tracker.

---
 .editorconfig       | 11 +++++++++
 .gitignore          |  1 +
 bin/stf             |  2 ++
 lib/cli.js          | 15 ++++++++++++
 lib/provider.js     | 26 ++++++++++++++++++++
 lib/util/logger.js  | 59 +++++++++++++++++++++++++++++++++++++++++++++
 test/util/logger.js | 12 +++++++++
 7 files changed, 126 insertions(+)
 create mode 100644 .editorconfig
 create mode 100644 .gitignore
 create mode 100755 bin/stf
 create mode 100644 lib/cli.js
 create mode 100644 lib/provider.js
 create mode 100644 lib/util/logger.js
 create mode 100644 test/util/logger.js

diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 00000000..9912b2af
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,11 @@
+# http://editorconfig.org/
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..2ccbe465
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/node_modules/
diff --git a/bin/stf b/bin/stf
new file mode 100755
index 00000000..fa67b84f
--- /dev/null
+++ b/bin/stf
@@ -0,0 +1,2 @@
+#!/usr/bin/env node
+require('../lib/cli')
diff --git a/lib/cli.js b/lib/cli.js
new file mode 100644
index 00000000..81757cee
--- /dev/null
+++ b/lib/cli.js
@@ -0,0 +1,15 @@
+var program = require('commander')
+
+var pkg = require('../package')
+
+program
+  .version(pkg.version)
+
+program
+  .command('provider')
+  .description('run STF provider')
+  .action(function() {
+    require('./provider')
+  })
+
+program.parse(process.argv)
diff --git a/lib/provider.js b/lib/provider.js
new file mode 100644
index 00000000..7144932e
--- /dev/null
+++ b/lib/provider.js
@@ -0,0 +1,26 @@
+var adb = require('adbkit')
+var async = require('async')
+
+var log = require('./util/logger').createLogger('provider')
+var client = adb.createClient()
+
+client.trackDevices(function(err, tracker) {
+  if (err) {
+    log.fatal('Unable to track devices: %s', err.message)
+    throw err
+  }
+
+  log.info('Tracking devices')
+
+  tracker.on('add', function(device) {
+    log.info('Found device "%s" (%s)', device.id, device.type)
+  })
+
+  tracker.on('change', function(device) {
+    log.info('Device "%s" is now "%s"', device.id, device.type)
+  })
+
+  tracker.on('remove', function(device) {
+    log.info('Lost device "%s" (%s)', device.id, device.type)
+  })
+})
diff --git a/lib/util/logger.js b/lib/util/logger.js
new file mode 100644
index 00000000..aad83ff7
--- /dev/null
+++ b/lib/util/logger.js
@@ -0,0 +1,59 @@
+var util = require('util')
+
+function Log(tag, stream) {
+  this.tag = tag
+  this.stream = stream || process.stderr
+  this.levels = {
+    DEBUG: 'DBG'
+  , VERBOSE: 'VRB'
+  , INFO: 'INF'
+  , WARNING: 'WRN'
+  , ERROR: 'ERR'
+  , FATAL: 'FTL'
+  }
+}
+
+Log.prototype.debug = function() {
+  this._write(this._format(this.levels.DEBUG, arguments))
+}
+
+Log.prototype.verbose = function() {
+  this._write(this._format(this.levels.VERBOSE, arguments))
+}
+
+Log.prototype.info = function() {
+  this._write(this._format(this.levels.INFO, arguments))
+}
+
+Log.prototype.warn = function() {
+  this._write(this._format(this.levels.WARNING, arguments))
+}
+
+Log.prototype.error = function() {
+  this._write(this._format(this.levels.ERROR, arguments))
+}
+
+Log.prototype.fatal = function() {
+  this._write(this._format(this.levels.FATAL, arguments))
+}
+
+Log.prototype._format = function(priority, args) {
+  return util.format('%s %s/%s %d %s\n',
+    Log.prefix, priority, this.tag, process.pid, util.format.apply(util, args))
+}
+
+Log.prototype._write = function(out) {
+  this.stream.write(out)
+}
+
+Log.prefix = '*'
+
+Log.createLogger = function(tag) {
+  return new Log(tag)
+}
+
+Log.setPrefix = function(prefix) {
+  Log.prefix = prefix
+}
+
+exports = module.exports = Log
diff --git a/test/util/logger.js b/test/util/logger.js
new file mode 100644
index 00000000..4afca5d3
--- /dev/null
+++ b/test/util/logger.js
@@ -0,0 +1,12 @@
+var chai = require('chai')
+var expect = chai.expect
+
+var logger = require('../../lib/util/logger')
+
+describe('Logger', function() {
+
+  it('should have a createLogger method', function() {
+    expect(logger).itself.to.respondTo('createLogger')
+  })
+
+})