blinkled - code style fixes, add copyright headers

(Resubmit of #921.)

- Code style fixes
- Improve service description.
- Remove blinkled_stop() function, used just once -> pointless.
- Use is_process_running()

1 files changed, 43 insertions, 18 deletions

diff --git a/config/blinkled/blinkled.inc b/config/blinkled/blinkled.inc
index ffbc79b2..ef2b6db8 100644
--- a/config/blinkled/blinkled.inc
+++ b/config/blinkled/blinkled.inc
@@ -1,20 +1,45 @@
 <?php
+/*
+	blinkled.inc
+	part of pfSense (https://www.pfSense.org/)
+	Copyright (C) 2009 Jim Pingle
+	Copyright (C) 2015 ESF, LLC
+	All rights reserved.
+
+	Redistribution and use in source and binary forms, with or without
+	modification, are permitted provided that the following conditions are met:
+
+	1. Redistributions of source code must retain the above copyright notice,
+	   this list of conditions and the following disclaimer.
+
+	2. Redistributions in binary form must reproduce the above copyright
+	   notice, this list of conditions and the following disclaimer in the
+	   documentation and/or other materials provided with the distribution.
+
+	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+	POSSIBILITY OF SUCH DAMAGE.
+*/
+
 require_once("config.inc");
 require_once("functions.inc");
 
-function blinkled_running () {
-	return ((int)exec('pgrep blinkled | wc -l') > 0);
-}
-
 function sync_package_blinkled() {
 	global $config;
 	$blinkled_config = $config['installedpackages']['blinkled']['config'][0];
-	/* kill all instances of blinkled */
-	if(blinkled_running()) {
-		blinkled_stop();
+	/* Kill all instances of blinkled */
+	if (is_process_running("blinkled")) {
+		mwexec("/usr/bin/killall -9 blinkled");
 	}
-	/* if blinkled not running start it */
-	if(!blinkled_running()) {
+	/* If blinkled is not running, start it */
+	if (!is_process_running("blinkled")) {
 		blinkled_start();
 	}
 }
@@ -26,25 +51,25 @@ function blinkled_launch($int, $led) {
 function blinkled_start() {
 	global $config;
 	$blinkled_config = $config['installedpackages']['blinkled']['config'][0];
-	if (!($blinkled_config['enable']))
+	if (!($blinkled_config['enable'])) {
 		return;
+	}
 
-	if (($blinkled_config['enable_led2']) && ($blinkled_config['iface_led2']))
+	if (($blinkled_config['enable_led2']) && ($blinkled_config['iface_led2'])) {
 		blinkled_launch(convert_friendly_interface_to_real_interface_name($blinkled_config['iface_led2']), 2);
-	if (($blinkled_config['enable_led3']) && ($blinkled_config['iface_led3']))
+	}
+	if (($blinkled_config['enable_led3']) && ($blinkled_config['iface_led3'])) {
 		blinkled_launch(convert_friendly_interface_to_real_interface_name($blinkled_config['iface_led3']), 3);
-}
-
-function blinkled_stop() {
-	mwexec("/usr/bin/killall -9 blinkled");
+	}
 }
 
 function validate_form_blinkled($post, &$input_errors) {
 	/* Make sure both aren't using the same interface */
-	if (($post['iface_led2']) && ($post['iface_led3']) && 
+	if (($post['iface_led2']) && ($post['iface_led3']) &&
 	    (($post['enable_led2']) && ($post['enable_led3'])) &&
-	    ($post['iface_led2'] == $post['iface_led3']))
+	    ($post['iface_led2'] == $post['iface_led3'])) {
 		$input_errors[] = 'You cannot set two LEDs for a single interface. Please choose seperate interfaces.';
+	}
 }
 
 ?>