Support sysfs and proc interfaces in lxpanel. Bug #400855

(Portage version: 2.2.0_alpha84/cvs/Linux x86_64)

1 files changed, 202 insertions, 0 deletions

diff --git a/lxde-base/lxpanel/files/lxpanel-0.5.8-thermal-plugin.patch b/lxde-base/lxpanel/files/lxpanel-0.5.8-thermal-plugin.patch
new file mode 100644
index 000000000000..0db90b7a19e3
--- /dev/null
+++ b/lxde-base/lxpanel/files/lxpanel-0.5.8-thermal-plugin.patch
@@ -0,0 +1,202 @@
+From 266c072d1e954266157989891eec069006772e97 Mon Sep 17 00:00:00 2001
+From: Henry Gebhardt <hsggebhardt@googlemail.com>
+Date: Fri, 23 Dec 2011 21:02:53 +0100
+Subject: [PATCH] plugins/thermal: support both /proc and sysfs interfaces
+
+---
+ src/plugins/thermal/thermal.c |  108 +++++++++++++++++++++++++++++++++++------
+ 1 files changed, 93 insertions(+), 15 deletions(-)
+
+diff --git a/src/plugins/thermal/thermal.c b/src/plugins/thermal/thermal.c
+index afe5e89..616c4a0 100644
+--- a/src/plugins/thermal/thermal.c
++++ b/src/plugins/thermal/thermal.c
+@@ -32,12 +32,17 @@
+ 
+ #include "dbg.h"
+ 
+-#define THERMAL_DIRECTORY "/proc/acpi/thermal_zone/" /* must be slash-terminated */
+-#define THERMAL_TEMPF  "temperature"
+-#define THERMAL_TRIP  "trip_points"
+-#define TRIP_CRITICAL "critical (S5):"
++#define PROC_THERMAL_DIRECTORY "/proc/acpi/thermal_zone/" /* must be slash-terminated */
++#define PROC_THERMAL_TEMPF  "temperature"
++#define PROC_THERMAL_TRIP  "trip_points"
++#define PROC_TRIP_CRITICAL "critical (S5):"
+ 
+-typedef struct {
++#define SYSFS_THERMAL_DIRECTORY "/sys/class/thermal/thermal_zone0/" /* must be slash-terminated */
++#define SYSFS_THERMAL_TEMPF  "temp"
++#define SYSFS_THERMAL_TRIP  "trip_point_0_temp"
++
++
++typedef struct thermal {
+     Plugin * plugin;
+     GtkWidget *main;
+     GtkWidget *namew;
+@@ -54,17 +59,20 @@ typedef struct {
+     GdkColor cl_normal,
+              cl_warning1,
+              cl_warning2;
++    gint (*get_temperature)(struct thermal *th);
++    gint (*get_critical)(struct thermal *th);
+ } thermal;
+ 
++
+ static gint
+-get_critical(thermal *th){
++proc_get_critical(thermal *th){
+     FILE *state;
+     char buf[ 256 ], sstmp [ 100 ];
+     char* pstr;
+ 
+     if(th->sensor == NULL) return -1;
+ 
+-    sprintf(sstmp,"%s%s",th->sensor,THERMAL_TRIP);
++    sprintf(sstmp,"%s%s",th->sensor,PROC_THERMAL_TRIP);
+ 
+     if (!(state = fopen( sstmp, "r"))) {
+         //printf("cannot open %s\n",sstmp);
+@@ -72,10 +80,10 @@ get_critical(thermal *th){
+     }
+ 
+     while( fgets(buf, 256, state) &&
+-            ! ( pstr = strstr(buf, TRIP_CRITICAL) ) );
++            ! ( pstr = strstr(buf, PROC_TRIP_CRITICAL) ) );
+     if( pstr )
+     {
+-        pstr += strlen(TRIP_CRITICAL);
++        pstr += strlen(PROC_TRIP_CRITICAL);
+         while( *pstr && *pstr == ' ' )
+             ++pstr;
+ 
+@@ -90,14 +98,14 @@ get_critical(thermal *th){
+ }
+ 
+ static gint
+-get_temperature(thermal *th){
++proc_get_temperature(thermal *th){
+     FILE *state;
+     char buf[ 256 ], sstmp [ 100 ];
+     char* pstr;
+ 
+     if(th->sensor == NULL) return -1;
+ 
+-    sprintf(sstmp,"%s%s",th->sensor,THERMAL_TEMPF);
++    sprintf(sstmp,"%s%s",th->sensor,PROC_THERMAL_TEMPF);
+ 
+     if (!(state = fopen( sstmp, "r"))) {
+         //printf("cannot open %s\n",sstmp);
+@@ -122,11 +130,79 @@ get_temperature(thermal *th){
+ }
+ 
+ static gint
++sysfs_get_critical(thermal *th){
++    FILE *state;
++    char buf[ 256 ], sstmp [ 100 ];
++    char* pstr;
++
++    if(th->sensor == NULL) return -1;
++
++    sprintf(sstmp,"%s%s",th->sensor,SYSFS_THERMAL_TRIP);
++
++    if (!(state = fopen( sstmp, "r"))) {
++        //printf("cannot open %s\n",sstmp);
++        return -1;
++    }
++
++    while( fgets(buf, 256, state) &&
++            ! ( pstr = buf ) );
++    if( pstr )
++    {
++        printf("Critical: [%s]\n",pstr);
++        fclose(state);
++        return atoi(pstr)/1000;
++    }
++
++    fclose(state);
++    return -1;
++}
++
++static gint
++sysfs_get_temperature(thermal *th){
++    FILE *state;
++    char buf[ 256 ], sstmp [ 100 ];
++    char* pstr;
++
++    if(th->sensor == NULL) return -1;
++
++    sprintf(sstmp,"%s%s",th->sensor,SYSFS_THERMAL_TEMPF);
++
++    if (!(state = fopen( sstmp, "r"))) {
++        //printf("cannot open %s\n",sstmp);
++        return -1;
++    }
++
++    while (fgets(buf, 256, state) &&
++	   ! ( pstr = buf ) );
++    if( pstr )
++    {
++        fclose(state);
++        return atoi(pstr)/1000;
++    }
++
++    fclose(state);
++    return -1;
++}
++
++
++static void
++set_get_functions(thermal *th)
++{
++    if (strncmp(th->sensor, "/sys/", 5) == 0){
++        th->get_temperature = sysfs_get_temperature;
++        th->get_critical = sysfs_get_critical;
++    } else {
++        th->get_temperature = proc_get_temperature;
++        th->get_critical = proc_get_critical;
++    }
++}
++
++static gint
+ update_display(thermal *th)
+ {
+     char buffer [60];
+     int n;
+-    int temp = get_temperature(th);
++    int temp = th->get_temperature(th);
+     GdkColor color;
+ 
+     if(temp >= th->warning2)
+@@ -155,7 +231,7 @@ check_sensors( thermal* th )
+     const char *sensor_name;
+     char sensor_path[100];
+ 
+-    if (! (sensorsDirectory = g_dir_open(THERMAL_DIRECTORY, 0, NULL)))
++    if (! (sensorsDirectory = g_dir_open(PROC_THERMAL_DIRECTORY, 0, NULL)))
+     {
+         th->sensor = NULL;
+         return;
+@@ -164,7 +240,7 @@ check_sensors( thermal* th )
+     /* Scan the thermal_zone directory for available sensors */
+     while ((sensor_name = g_dir_read_name(sensorsDirectory))) {
+         if (sensor_name[0] != '.') {
+-            sprintf(sensor_path,"%s%s/",THERMAL_DIRECTORY, sensor_name);
++            sprintf(sensor_path,"%s%s/",PROC_THERMAL_DIRECTORY, sensor_name);
+             if(th->sensor) { 
+                 g_free(th->sensor);
+                 th->sensor = NULL; 
+@@ -254,7 +330,9 @@ thermal_constructor(Plugin *p, char** fp)
+     if(th->sensor == NULL) th->auto_sensor = TRUE;
+     if(th->auto_sensor) check_sensors(th);
+ 
+-    th->critical = get_critical(th);
++    set_get_functions(th);
++
++    th->critical = th->get_critical(th);
+ 
+     if(!th->custom_levels){
+         th->warning1 = th->critical - 10;
+-- 
+1.7.4.1
+