introduce config option datasize to show graphs in bits or bytes

Config setting $CONFIG['datasize'] can be set to bits or bytes to show graph
data in bits or bytes.

Inspired-by: Neptune Ning (Plan) <frostyplanet@gmail.com>

15 files changed, 54 insertions, 27 deletions

diff --git a/conf/config.php b/conf/config.php
index 781172d..c6fce92 100644
--- a/conf/config.php
+++ b/conf/config.php
@@ -25,6 +25,9 @@ $CONFIG['time_range']['uptime']  = 31536000;
 # show load averages on overview page
 $CONFIG['showload'] = true;
 
+# show graphs in bits or bytes
+$CONFIG['datasize'] = 'bytes';
+
 # browser cache time for the graphs (in seconds)
 $CONFIG['cache'] = 90;
 
diff --git a/plugin/apache.php b/plugin/apache.php
index 95c12fa..71be4fe 100644
--- a/plugin/apache.php
+++ b/plugin/apache.php
@@ -19,14 +19,15 @@ switch ($obj->args['type']) {
         case 'apache_bytes':
                 $obj->data_sources = array('value');
                 $obj->ds_names = array(
-                        'value' => 'Bytes/s',
+                        'value' => sprintf('%s/s', ucfirst($CONFIG['datasize'])),
                 );
                 $obj->colors = array(
                         'value' => '0000ff',
                 );
                 $obj->rrd_title = sprintf('Webserver Traffic%s',
                         !empty($obj->args['pinstance']) ? ' ('.$obj->args['pinstance'].')' : '');
-                $obj->rrd_vertical = 'Bytes/s';
+                $obj->rrd_vertical = sprintf('%s/s', ucfirst($CONFIG['datasize']));
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
         break;
         case 'apache_connections':
                 $obj->data_sources = array('value');
diff --git a/plugin/df.php b/plugin/df.php
index b5c7e73..33dded9 100644
--- a/plugin/df.php
+++ b/plugin/df.php
@@ -29,8 +29,9 @@ $obj->width = $width;
 $obj->heigth = $heigth;
 
 $obj->rrd_title = sprintf('Free space (%s)', $obj->args['pinstance']);
-$obj->rrd_vertical = 'Bytes';
-$obj->rrd_format = '%5.1lf%sB';
+$obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+$obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
+$obj->rrd_format = '%5.1lf%s';
 
 # backwards compatibility
 if ($CONFIG['version'] < 5) {
diff --git a/plugin/disk.php b/plugin/disk.php
index e3a5f3d..a776abd 100644
--- a/plugin/disk.php
+++ b/plugin/disk.php
@@ -33,8 +33,9 @@ switch($obj->args['type']) {
         break;
         case 'disk_octets':
                 $obj->rrd_title = sprintf('Disk Traffic (%s)', $obj->args['pinstance']);
-                $obj->rrd_vertical = 'Bytes per second';
+                $obj->rrd_vertical = sprintf('%s per second', ucfirst($CONFIG['datasize']));
                 $obj->rrd_format = '%5.1lf%s';
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
         break;
         case 'disk_ops':
                 $obj->rrd_title = sprintf('Disk Operations (%s)', $obj->args['pinstance']);
diff --git a/plugin/filecount.php b/plugin/filecount.php
index 2c318a9..68545e7 100644
--- a/plugin/filecount.php
+++ b/plugin/filecount.php
@@ -23,7 +23,8 @@ switch($obj->args['type']) {
                 $obj->ds_names = array('value' => 'Size');
                 $obj->colors = array('value' => '0000ff');
                 $obj->rrd_title = sprintf('Filecount: size (%s)', $obj->args['pinstance']);
-                $obj->rrd_vertical = 'Bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
                 break;
         case 'files':
                 $obj->ds_names = array('value' => 'Files');
diff --git a/plugin/interface.php b/plugin/interface.php
index f200813..107cb27 100644
--- a/plugin/interface.php
+++ b/plugin/interface.php
@@ -39,7 +39,8 @@ switch($obj->args['type']) {
         break;
         case 'if_octets':
                 $obj->rrd_title = sprintf('Interface Traffic (%s)', $obj->args[$instance]);
-                $obj->rrd_vertical = 'Bytes per second';
+                $obj->rrd_vertical = sprintf('%s per second', ucfirst($CONFIG['datasize']));
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
         break;
         case 'if_packets':
                 $obj->rrd_title = sprintf('Interface Packets (%s)', $obj->args[$instance]);
diff --git a/plugin/libvirt.php b/plugin/libvirt.php
index 829c592..971b5a7 100644
--- a/plugin/libvirt.php
+++ b/plugin/libvirt.php
@@ -30,7 +30,8 @@ switch($obj->args['type']) {
                         'write' => '00b000',
                 );
                 $obj->rrd_title = sprintf('Disk Traffic (%s)', $obj->args['tinstance']);
-                $obj->rrd_vertical = 'Bytes per second';
+                $obj->rrd_vertical = sprintf('%s per second', ucfirst($CONFIG['datasize']));
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
                 $obj->rrd_format = '%5.1lf%s';
         break;
         case 'disk_ops':
@@ -84,7 +85,8 @@ switch($obj->args['type']) {
                         'tx' => '00b000',
                 );
                 $obj->rrd_title = sprintf('Interface Traffic (%s)', $obj->args['tinstance']);
-                $obj->rrd_vertical = 'Bytes per second';
+                $obj->rrd_vertical = sprintf('%s per second', ucfirst($CONFIG['datasize']));
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
         break;
         case 'if_packets':
                 $obj->data_sources = array('rx', 'tx');
diff --git a/plugin/memcached.php b/plugin/memcached.php
index e011c9e..accf6b3 100644
--- a/plugin/memcached.php
+++ b/plugin/memcached.php
@@ -37,7 +37,8 @@ switch(GET('t')) {
                         'free' => '0000ff',
                 );
                 $obj->rrd_title = 'Memcached Memory Usage';
-                $obj->rrd_vertical = 'bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
         break;
 
 # memcached_command-(flush|get|set).rrd
@@ -104,7 +105,8 @@ switch(GET('t')) {
                         'tx' => '00b000',
                 );
                 $obj->rrd_title = 'Memcached Network Traffic';
-                $obj->rrd_vertical = 'Bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
         break;
 # memcached_ops-(evictions|hits|misses).rrd
         case 'memcached_ops':
diff --git a/plugin/memory.php b/plugin/memory.php
index 14779e2..afccc55 100644
--- a/plugin/memory.php
+++ b/plugin/memory.php
@@ -33,7 +33,8 @@ $obj->width = $width;
 $obj->heigth = $heigth;
 
 $obj->rrd_title = 'Physical memory utilization';
-$obj->rrd_vertical = 'Bytes';
+$obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+$obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
 $obj->rrd_format = '%5.1lf%s';
 
 collectd_flush($obj->identifiers);
diff --git a/plugin/netlink.php b/plugin/netlink.php
index 423775d..77c0c48 100644
--- a/plugin/netlink.php
+++ b/plugin/netlink.php
@@ -64,7 +64,8 @@ switch($obj->args['type']) {
                         'tx' => '00b000',
                 );
                 $obj->rrd_title = sprintf('Interface Traffic (%s)', $obj->args['pinstance']);
-                $obj->rrd_vertical = 'Bytes/s';
+                $obj->rrd_vertical = sprintf('%s/s', ucfirst($CONFIG['datasize']));
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
                 break;
         case 'if_packets':
                 $obj->data_sources = array('rx', 'tx');
diff --git a/plugin/postgresql.php b/plugin/postgresql.php
index 1eadc8d..ed984a6 100644
--- a/plugin/postgresql.php
+++ b/plugin/postgresql.php
@@ -51,7 +51,8 @@ switch($obj->args['type']) {
                 );
                 $obj->rrd_title = sprintf('PostgreSQL DB size (%s)',
                         !empty($obj->args['pinstance']) ? $obj->args['pinstance'] : '');
-                $obj->rrd_vertical = 'Bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
         break;
         case 'pg_n_tup_c':
                 $obj->order = array(
diff --git a/plugin/processes.php b/plugin/processes.php
index dca00b7..c66d3fb 100644
--- a/plugin/processes.php
+++ b/plugin/processes.php
@@ -63,7 +63,8 @@ switch($obj->args['type'])
                         'value' => '0000ff',
                 );
                 $obj->rrd_title = sprintf('Text Resident Set (%s)', $obj->args['pinstance']);
-                $obj->rrd_vertical = 'Bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
         break;
 
         case 'ps_count':
@@ -105,7 +106,8 @@ switch($obj->args['type'])
                         'write' => '00b000',
                 );
                 $obj->rrd_title = sprintf('Disk Traffic (%s)', $obj->args['pinstance']);
-                $obj->rrd_vertical = 'Bytes per second';
+                $obj->rrd_vertical = sprintf('%s per second', ucfirst($CONFIG['datasize']));
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
         break;
 
         case 'ps_disk_ops':
@@ -130,7 +132,8 @@ switch($obj->args['type'])
                         'value' => '0000ff',
                 );
                 $obj->rrd_title = sprintf('Data Resident Set (%s)', $obj->args['pinstance']);
-                $obj->rrd_vertical = 'Bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
         break;
 
         case 'ps_pagefaults':
@@ -155,7 +158,8 @@ switch($obj->args['type'])
                         'value' => '0000ff',
                 );
                 $obj->rrd_title = sprintf('Resident Segment Size (%s)', $obj->args['pinstance']);
-                $obj->rrd_vertical = 'Bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
         break;
 
         case 'ps_stacksize':
@@ -166,7 +170,8 @@ switch($obj->args['type'])
                         'value' => '0000ff',
                 );
                 $obj->rrd_title = sprintf('Stacksize (%s)', $obj->args['pinstance']);
-                $obj->rrd_vertical = 'Bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
         break;
 
         case 'ps_vm':
@@ -177,7 +182,8 @@ switch($obj->args['type'])
                         'value' => '0000ff',
                 );
                 $obj->rrd_title = sprintf('Virtual Memory (%s)', $obj->args['pinstance']);
-                $obj->rrd_vertical = 'Bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
         break;
 
 }
diff --git a/plugin/swap.php b/plugin/swap.php
index c24d90b..dee5692 100644
--- a/plugin/swap.php
+++ b/plugin/swap.php
@@ -27,7 +27,8 @@ switch(GET('t')) {
                         'used'   => 'ff0000',
                 );
                 $obj->rrd_title = 'Swap utilization';
-                $obj->rrd_vertical = 'Bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
         break;
         case 'swap_io':
                 require_once 'type/GenericIO.class.php';
diff --git a/plugin/vserver.php b/plugin/vserver.php
index 57687e3..e51d97d 100644
--- a/plugin/vserver.php
+++ b/plugin/vserver.php
@@ -51,7 +51,8 @@ switch($obj->args['type']) {
             $obj->heigth = $heigth;
 
             $obj->rrd_title = sprintf('Memory utilization on Vserver %s', $obj->args['pinstance']);
-            $obj->rrd_vertical = 'Bytes';
+                        $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                        $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
             $obj->rrd_format = '%5.1lf%s';
 
             collectd_flush($obj->identifiers);
@@ -104,7 +105,8 @@ switch($obj->args['type']) {
                     'unspec-tx' => '000080',
                     );
             $obj->rrd_title = sprintf('Traffic on Vserver %s', $obj->args['pinstance']);
-            $obj->rrd_vertical = 'Bytes per second';
+                        $obj->rrd_vertical = sprintf('%s per second', ucfirst($CONFIG['datasize']));
+                        $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
             $obj->width = $width;
             $obj->heigth = $heigth;
             $obj->rrd_format = '%5.1lf%s';
diff --git a/plugin/zfs_arc.php b/plugin/zfs_arc.php
index d40912d..1cc7e81 100644
--- a/plugin/zfs_arc.php
+++ b/plugin/zfs_arc.php
@@ -60,7 +60,8 @@ switch($obj->args['type']) {
                         'maxlimit',
                 );
                 $obj->rrd_title = 'Arc size';
-                $obj->rrd_vertical = 'bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
                 break;
         case 'arc_l2_bytes':
                 $obj->data_sources = array(
@@ -76,20 +77,22 @@ switch($obj->args['type']) {
                         'read'  => '0000ff',
                 );
                 $obj->rrd_title = 'Arc L2 bytes';
-                $obj->rrd_vertical = 'bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
                 break;
         case 'arc_l2_size':
                 $obj->data_sources = array(
                         'value',
                 );
                 $obj->ds_names = array(
-                        'value'   => 'Bytes',
+                        'value'   => ucfirst($CONFIG['datasize']),
                 );
                 $obj->colors = array(
                         'value' => '0000ff',
                 );
                 $obj->rrd_title = 'Arc L2 size';
-                $obj->rrd_vertical = 'bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
                 break;
         case 'arc_ratio':
                 $obj->data_sources = array('value');