chiark / gitweb /
fix an uninit'd variable
[chiark-utils.git] / cprogs / xacpi-simple.c
index 6328e5b..f2ba491 100644 (file)
@@ -1,20 +1,16 @@
-/* todo
- old way of doing alarm
-*/
-
 /*
  * display outputs, per line:
  *
- *   Remaining:        | Empty:        | Degraded:
- *     blue    |  black        |  dimgrey      discharging
- *     green   |  black        |  dimgrey      charging
- *     cyan    |  black        |  dimgrey      charged
- *     grey    |  black        |  dimgrey      charging&discharching!
- *     darkcyan        |  black        |  dimgrey      none of the above
- *     blue    |  red          |  dimgrey      discharging - low!
- *     green   |  red          |  dimgrey      charging - low
- *     cyan    |  red          |  dimgrey      charged - low [1]
- *     grey    |  red          |  dimgrey      charging&discharching, low [1]
+ *   Remaining:         | Empty:       | Degraded:
+ *     blue     |  black       |  dimgrey      discharging
+ *     green    |  black       |  dimgrey      charging
+ *     cyan     |  black       |  dimgrey      charged
+ *     grey     |  black       |  dimgrey      charging&discharching!
+ *     lightgrey |  black      |  dimgrey      none of the above
+ *     blue     |  red         |  dimgrey      discharging - low!
+ *     green    |  red         |  dimgrey      charging - low
+ *     cyan     |  red         |  dimgrey      charged - low [1]
+ *     grey     |  red         |  dimgrey      charging&discharching, low [1]
  *       ...  darkgreen  ...                   no batteries present
  *       ...  yellow  ...                      error
  *
@@ -66,7 +62,7 @@
 #define TIMEOUT_ONERROR 3333 /* milliseconds */
 
 static const char program_name[]= "xacpi-simple";
-static int debug;
+static int debug, alarmlevel;
 
 /*---------- general utility stuff and declarations ----------*/
 
@@ -82,7 +78,7 @@ typedef uint64_t value;
 typedef struct fileinfo fileinfo;
 typedef int parser(const fileinfo*);
 
-static parser parse_uevent, parse_separate;
+static parser parse_uevent;
 
 struct fileinfo {
   const char *filename;
@@ -135,7 +131,8 @@ typedef struct batinfo_field {
 #define TYPE_BOTH       100 /* Except this is a magic invalid value.      */
 
 #define SEPARATE_QUANTITY_FIELDS(_)            \
-  _(alarm,   BATTERY,  "alarm", "0", "1")
+  /* See commit ec6f5f0be800bc5f2a27046833dba04e0c67ffac for
+     the code needed to use this */
 
 
 #define ALL_DIRECT_VARS(_)                     \
@@ -156,7 +153,6 @@ typedef struct batinfo_field {
 
 #define ALL_PLAIN_ACCUMULATE_FIELDS(_)         \
   UEVENT_ESSENTIAL_QUANTITY_FIELDS(_)          \
-  UEVENT_ENUM_FIELDS(_)                                \
   SEPARATE_QUANTITY_FIELDS(_)
 
 #define ALL_ACCUMULATE_FIELDS(_)               \
@@ -260,11 +256,6 @@ static int parse_value(const fileinfo *cfile, const batinfo_field *field) {
   return 0;
 }
 
-static int parse_separate(const fileinfo *cfile) {
-  batlinevalue = batlinebuf;
-  return parse_value(cfile, cfile->extra);
-}
-
 static int parse_uevent(const fileinfo *cfile) {
   char *equals= strchr(batlinebuf,'=');
   if (!equals)
@@ -359,18 +350,21 @@ ALL_NEEDED_FIELDS(V_NEEDED)
 /* These next three variables are the results of the charging state */
 static unsigned charging_mask; /* 1u<<CHGST_* | ... */
 static double nondegraded_norm, fill_norm, ratepersec_norm;
-static int alarm_level; /* 0=ok, 1=low */
+static int alarmed;
 
 #define Q_VAR(f,t,...) \
 static double total_##f;
   ALL_ACCUMULATE_FIELDS(Q_VAR)
 
 static void acquiredata(void) {
-  DIR *di;
+  DIR *di = 0;
   struct dirent *de;
   int r;
   
   charging_mask= 0;
+  alarmed = 0;
+
+  if (debug) printf("\n");
 
 #define Q_ZERO(f,t,...) \
   total_##f= 0;
@@ -433,13 +427,25 @@ ALL_PLAIN_ACCUMULATE_FIELDS(Q_ACCUMULATE_PLAIN)
 
       
   }
-  closedir(di);
+  if (di) closedir(di);
 
-  printf("TOTAL:\n");
+  if (debug) {
+    printf("TOTAL:\n");
+    printf(" %-30s = %#20x\n", "mask", charging_mask);
 #define T_PRINT(f,...)                                 \
     printf(" %-30s = %20.6f\n", #f, total_##f);
 BAT_QTYS(T_PRINT,,,)
 ALL_PLAIN_ACCUMULATE_FIELDS(T_PRINT)
+  }
+
+  if ((charging_mask & (1u<<CHGST_DISCHARGING)) &&
+      !total_online/*mains*/) {
+    double time_remaining =
+      -total_remaining_capacity * 3600.0 / total_present_rate;
+    if (debug) printf(" %-30s = %20.6f\n", "time remaining", time_remaining);
+    if (time_remaining < alarmlevel)
+      alarmed = 1;
+  }
 
   if (total_design_capacity < 0.5)
     total_design_capacity= 1.0;
@@ -449,8 +455,6 @@ ALL_PLAIN_ACCUMULATE_FIELDS(T_PRINT)
   if (total_design_capacity < total_last_full_capacity)
     total_design_capacity= total_last_full_capacity;
 
-  alarm_level= total_alarm && (charging_mask & 1u << CHGST_DISCHARGING);
-
   nondegraded_norm= total_last_full_capacity / total_design_capacity;
   fill_norm= total_remaining_capacity / total_design_capacity;
   ratepersec_norm=  total_present_rate
@@ -463,17 +467,17 @@ static void initacquire(void) {
 /*---------- argument parsing ----------*/
 
 #define COLOURS                                        \
-  C(blue,      discharging)                    \
-  C(green,     charging)                       \
-  C(cyan,      charged)                                \
-  C(darkcyan,  notcharging)                    \
-  C(grey,      confusing)                      \
-  C(black,     normal)                         \
-  C(red,       low)                            \
-  C(dimgrey,   degraded)                       \
-  C(darkgreen, absent)                         \
-  C(yellow,    error)                          \
-  C(white,     equilibrium)                    \
+  C(blue,           discharging)               \
+  C(green,         charging)                   \
+  C(cyan,           charged)                   \
+  C(lightgrey,      notcharging)               \
+  C(grey,           confusing)                 \
+  C(black,          normal)                    \
+  C(red,            low)                       \
+  C(dimgrey,        degraded)                  \
+  C(darkgreen,      absent)                    \
+  C(yellow,         error)                     \
+  C(white,          equilibrium)               \
   GC(remain)                                   \
   GC(white)                                    \
   GC(empty)
@@ -494,6 +498,7 @@ static const char defaultresources[]=
 #define S(s) ((char*)(s))
 static const XrmOptionDescRec optiontable[]= {
   { S("-debug"),        S("*debug"),        XrmoptionIsArg },
+  { S("-warningTime"),  S("*warningTime"),  XrmoptionSepArg },
   { S("-display"),      S("*display"),      XrmoptionSepArg },
   { S("-geometry"),     S("*geometry"),     XrmoptionSepArg },
 #define GC(g)
@@ -544,6 +549,9 @@ static void parseargs(int argc, char **argv) {
 
   debug= !!getresource("debug");
 
+  const char *alarmlevel_string= getresource("alarmLevel");
+  alarmlevel = alarmlevel_string ? atoi(alarmlevel_string) : 300;
+
   disp= XOpenDisplay(getresource("display"));
   if (!disp) fail("could not open display");
 
@@ -568,7 +576,7 @@ typedef struct {
   unsigned long lastfg;
 } Gcstate;
 
-#define C(c,u) static unsigned long pix_##c;
+#define C(c,u) static unsigned long pix_##u;
 #define GC(g) static Gcstate gc_##g;
   COLOURS
 #undef C
@@ -614,23 +622,23 @@ static void show(void) {
   int i, leftmost_lit, leftmost_nondeg, beyond, first_beyond;
 
   if (!charging_mask)
-    return show_solid(pix_darkgreen);
+    return show_solid(pix_absent);
 
   if (charging_mask & (1u << CHGST_ERROR))
-    return show_solid(pix_yellow);
+    return show_solid(pix_error);
 
-  setbackground(pix_dimgrey);
+  setbackground(pix_degraded);
   XClearWindow(disp,win);
   
   setforeground(&gc_remain,
                !(charging_mask & CHGMASK_CHG_DIS) ?
                (~charging_mask & (1u << CHGST_CHARGED) ?
-                pix_darkcyan : pix_cyan) :
-               !(~charging_mask & CHGMASK_CHG_DIS) ? pix_grey :
+                pix_notcharging : pix_charged) :
+               !(~charging_mask & CHGMASK_CHG_DIS) ? pix_confusing :
                charging_mask & (1u<<CHGST_CHARGING)
-               ? pix_green : pix_blue);
+               ? pix_charging : pix_discharging);
                
-  setforeground(&gc_empty, alarm_level ? pix_red : pix_black);
+  setforeground(&gc_empty, alarmed ? pix_low : pix_normal);
 
   for (i=0, first_beyond=1; i<height; i++) {
     elap= !i ? 0 :
@@ -668,7 +676,7 @@ static void initgc(Gcstate *gc_r) {
   memset(&gcv,0,sizeof(gcv));
   gcv.function= GXcopy;
   gcv.line_width= 1;
-  gc_r->lastfg= gcv.foreground= pix_white;
+  gc_r->lastfg= gcv.foreground= pix_equilibrium;
   gc_r->gc= XCreateGC(disp,win, GCFunction|GCLineWidth|GCForeground, &gcv);
 }
 
@@ -716,15 +724,15 @@ static void initgraphics(int argc, char **argv) {
                           pos_x,pos_y,width,height,0,0,0);
   cmap= DefaultColormap(disp,screen);
   
-#define C(c,u) colour(&pix_##c, #u "Color");
+#define C(c,u) colour(&pix_##u, #u "Color");
 #define GC(g) initgc(&gc_##g);
   COLOURS
 #undef C
 #undef GC
 
-  r= XSetWindowBackground(disp,win,pix_dimgrey);
+  r= XSetWindowBackground(disp,win,pix_degraded);
   if (!r) fail("init set background");
-  lastbackground= pix_dimgrey;
+  lastbackground= pix_degraded;
 
   normal_hints->flags= PWinGravity;
   normal_hints->win_gravity= gravity;
@@ -755,15 +763,9 @@ static void refresh(void) {
 
 static void newgeometry(void) {
   int dummy;
-  unsigned int udummy, gotwidth, gotheight;
   Window dummyw;
   
-  XGetGeometry(disp,win, &dummyw,&dummy,&dummy, &gotwidth,&gotheight,
-              &udummy,&udummy);
-  assert(gotwidth < INT_MAX);
-  assert(gotheight < INT_MAX);
-  width = gotwidth;
-  height = gotheight;
+  XGetGeometry(disp,win, &dummyw,&dummy,&dummy, &width,&height, &dummy,&dummy);
 }
 
 static void eventloop(void) {