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enlightenment-module-cpu/src/e_mod_main.c

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#include <e.h>
#include "e_mod_main.h"
#ifdef __FreeBSD__
#include <sys/types.h>
#include <sys/sysctl.h>
#include <sys/resource.h>
#endif
#define MAX_CPU 16 // FIXME: Yes, that's not so clever...
typedef struct _Instance Instance;
typedef struct _Cpu Cpu;
struct _Instance
{
E_Gadcon_Client *gcc;
Cpu *cpu;
Ecore_Timer *timer;
Config_Item *ci;
};
struct _Cpu
{
Instance *inst;
Evas_Object *o_icon;
};
static E_Gadcon_Client *_gc_init(E_Gadcon *gc, const char *name, const char *id, const char *style);
static void _gc_shutdown(E_Gadcon_Client *gcc);
static void _gc_orient(E_Gadcon_Client *gcc, E_Gadcon_Orient orient);
static const char *_gc_label(const E_Gadcon_Client_Class *client_class);
static Evas_Object *_gc_icon(const E_Gadcon_Client_Class *client_class, Evas *evas);
static const char *_gc_id_new(const E_Gadcon_Client_Class *client_class);
static Config_Item *_config_item_get(const char *id);
static Eina_Bool _set_cpu_load(void *data);
static int _get_cpu_count(void);
static int _get_cpu_load(Instance *inst);
static void _button_cb_mouse_down(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _menu_cb_post(void *data, E_Menu *m);
static void _cpu_menu_fast(void *data, E_Menu *m, E_Menu_Item *mi);
static void _cpu_menu_medium(void *data, E_Menu *m, E_Menu_Item *mi);
static void _cpu_menu_normal(void *data, E_Menu *m, E_Menu_Item *mi);
static void _cpu_menu_slow(void *data, E_Menu *m, E_Menu_Item *mi);
static void _cpu_menu_very_slow(void *data, E_Menu *m, E_Menu_Item *mi);
static void _cpu_menu_merge_cpus(void *data, E_Menu *m, E_Menu_Item *mi);
static E_Config_DD *conf_edd = NULL;
static E_Config_DD *conf_item_edd = NULL;
Config *cpu_conf = NULL;
static int cpu_count;
static int cpu_stats[MAX_CPU];
static float update_interval;
static const E_Gadcon_Client_Class _gc_class =
{
GADCON_CLIENT_CLASS_VERSION, "cpu",
{
_gc_init, _gc_shutdown, _gc_orient, _gc_label, _gc_icon, _gc_id_new, NULL, NULL
},
E_GADCON_CLIENT_STYLE_PLAIN
};
static E_Gadcon_Client *
_gc_init(E_Gadcon *gc, const char *name, const char *id, const char *style)
{
Cpu *cpu;
Instance *inst;
E_Gadcon_Client *gcc;
char buf[4096];
cpu_count = _get_cpu_count();
inst = E_NEW(Instance, 1);
inst->ci = _config_item_get(id);
cpu = E_NEW(Cpu, 1);
cpu->inst = inst;
snprintf(buf, sizeof(buf), "%s/cpu.edj",
e_module_dir_get(cpu_conf->module));
cpu->o_icon = edje_object_add(gc->evas);
if (!e_theme_edje_object_set(cpu->o_icon,
"base/theme/modules/cpu", "modules/cpu/main"))
edje_object_file_set(cpu->o_icon, buf, "modules/cpu/main");
evas_object_show(cpu->o_icon);
gcc = e_gadcon_client_new(gc, name, id, style, cpu->o_icon);
gcc->data = inst;
inst->gcc = gcc;
inst->cpu = cpu;
cpu_conf->instances = eina_list_append(cpu_conf->instances, inst);
evas_object_event_callback_add(cpu->o_icon, EVAS_CALLBACK_MOUSE_DOWN,
_button_cb_mouse_down, inst);
inst->timer = ecore_timer_add(inst->ci->interval, _set_cpu_load, inst);
return gcc;
}
static void
_gc_shutdown(E_Gadcon_Client *gcc)
{
Instance *inst;
Cpu *cpu;
inst = gcc->data;
cpu = inst->cpu;
if (inst->timer) ecore_timer_del(inst->timer);
if (cpu->o_icon) evas_object_del(cpu->o_icon);
cpu_conf->instances = eina_list_remove(cpu_conf->instances, inst);
E_FREE(cpu);
E_FREE(inst);
}
static void
_gc_orient(E_Gadcon_Client *gcc, E_Gadcon_Orient orient)
{
e_gadcon_client_aspect_set(gcc, 32, 16);
e_gadcon_client_min_size_set(gcc, 32, 16);
}
static const char *
_gc_label(const E_Gadcon_Client_Class *client_class)
{
return D_("Cpu");
}
static Evas_Object *
_gc_icon(const E_Gadcon_Client_Class *client_class, Evas *evas)
{
Evas_Object *o;
char buf[4096];
if (!cpu_conf->module) return NULL;
snprintf(buf, sizeof(buf), "%s/e-module-cpu.edj",
e_module_dir_get(cpu_conf->module));
o = edje_object_add(evas);
edje_object_file_set(o, buf, "icon");
return o;
}
static const char *
_gc_id_new(const E_Gadcon_Client_Class *client_class)
{
Config_Item *ci;
ci = _config_item_get(NULL);
return ci->id;
}
static Config_Item *
_config_item_get(const char *id)
{
Eina_List *l = NULL;
Config_Item *ci;
char buf[128];
int num = 0;
const char *p;
if (!id)
{
/* Create id */
if (cpu_conf->items)
{
ci = eina_list_last(cpu_conf->items)->data;
p = strrchr(ci->id, '.');
if (p) num = atoi(p + 1) + 1;
}
snprintf(buf, sizeof(buf), "%s.%d", _gc_class.name, num);
id = buf;
}
else
{
for (l = cpu_conf->items; l; l = l->next)
{
ci = l->data;
if (!ci->id) continue;
if (!strcmp(ci->id, id))
{
update_interval = ci->interval;
return ci;
}
}
}
ci = E_NEW(Config_Item, 1);
ci->id = eina_stringshare_add(id);
ci->interval = 1;
ci->merge_cpus = 0;
update_interval = ci->interval;
cpu_conf->items = eina_list_append(cpu_conf->items, ci);
return ci;
}
static Eina_Bool
_set_cpu_load(void *data)
{
Instance *inst;
Cpu *cpu;
int i = 0;
char str[100], str_tmp[100];
if (cpu_count == -1) return EINA_FALSE;
if (!(inst = data)) return EINA_TRUE;
if (!(cpu = inst->cpu)) return EINA_TRUE;
_get_cpu_load(inst);
if ((cpu_count == 1) || (inst->ci->merge_cpus))
{
snprintf(str, sizeof(str), "<br>%d%%", cpu_stats[0]);
edje_object_part_text_set(cpu->o_icon, "load", str);
return EINA_TRUE;
}
else
snprintf(str, sizeof(str), "%d%%", cpu_stats[0]);
i = 1;
while (i < cpu_count)
{
snprintf(str_tmp, sizeof(str_tmp), "<br>%d%%", cpu_stats[i]);
strncat(str, str_tmp, sizeof(str));
i++;
}
edje_object_part_text_set(cpu->o_icon, "load", str);
return EINA_TRUE;
}
static int
_get_cpu_count(void)
{
int cpu = -1;
#ifdef __FreeBSD__
cpu = 1;
#else
FILE *f;
char tmp[4];
if (!(f = fopen("/proc/stat", "r"))) return cpu;
while (fscanf(f, "cp%s %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u\n", (char *) &tmp) == 1)
cpu++;
fclose(f);
#endif
if (cpu > MAX_CPU)
cpu = MAX_CPU;
return cpu;
}
static int
_get_cpu_load(Instance *inst)
{
#ifdef __FreeBSD__
long cp_time[CPUSTATES];
static long old_used, old_tot;
long new_used, new_tot;
size_t len;
#else
FILE *stat;
static unsigned long old_u[MAX_CPU], old_n[MAX_CPU], old_s[MAX_CPU], old_i[MAX_CPU], old_wa[MAX_CPU], old_hi[MAX_CPU], old_si[MAX_CPU];
unsigned long new_u, new_n, new_s, new_i, new_wa = 0, new_hi = 0, new_si = 0, dummy2, dummy3, dummy4, ticks_past;
int tmp_u = 0, tmp_n = 0, tmp_s = 0;
char dummy[16];
int i = 0;
#endif
#ifdef __FreeBSD__
len = sizeof(cp_time);
if (sysctlbyname("kern.cp_time", &cp_time, &len, NULL, 0) < 0)
{
warn("sysctl()");
return 0;
}
new_used = cp_time[CP_USER] + cp_time[CP_NICE] + cp_time[CP_SYS];
new_tot = new_used + cp_time[CP_IDLE];
cpu_stats[0] =
(100 * (float)(new_used - old_used) / (float)(new_tot - old_tot)) / update_interval;
old_tot = new_tot;
old_used = new_used;
cpu_stats[0] = (cpu_stats[0] > 100 ? 100 : cpu_stats[0]);
#else
if (!(stat = fopen("/proc/stat", "r"))) return -1;
while (i < cpu_count)
{
if (fscanf(stat, "%s %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu", dummy, &new_u, &new_n,
&new_s, &new_i, &new_wa, &new_hi, &new_si, &dummy2, &dummy3, &dummy4) < 5)
{
fclose (stat);
return -1;
}
/* since if there are more than 1 CPUs, the first entry is the summary:
cpu 366384 274786 214744 7129029 1975609 12775 353729 0
cpu0 167188 137966 127694 3664600 704402 12775 353588 0
cpu1 199195 136820 87050 3464429 1271207 0 140 0
In this case the first line is read and forgotten
*/
ticks_past = ((new_u + new_n + new_s + new_i + new_wa + new_hi + new_si) -
(old_u[i] + old_n[i] + old_s[i] + old_i[i] + old_wa[i] + old_hi[i] + old_si[i]));
if (ticks_past)
{
tmp_u = ((new_u - old_u[i]));
tmp_n = ((new_n - old_n[i]));
tmp_s = ((new_s - old_s[i]));
}
if (inst->ci->merge_cpus)
cpu_stats[i] = (tmp_u + tmp_n + tmp_s) / update_interval / cpu_count;
else
cpu_stats[i] = (tmp_u + tmp_n + tmp_s) / update_interval;
old_u[i] = new_u;
old_n[i] = new_n;
old_s[i] = new_s;
old_wa[i] = new_wa;
old_hi[i] = new_hi;
old_si[i] = new_si;
cpu_stats[i] = (cpu_stats[i] > 100 ? 100 : cpu_stats[i]);
if (inst->ci->merge_cpus)
break;
i++;
}
fclose (stat);
#endif
return 0;
}
static void
_button_cb_mouse_down(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
Instance *inst;
Evas_Event_Mouse_Down *ev;
inst = data;
ev = event_info;
if ((ev->button == 3) && (!cpu_conf->menu))
{
E_Menu *m, *mo;
E_Menu_Item *mi;
int cx, cy, cw, ch;
m = e_menu_new();
mo = e_menu_new();
cpu_conf->menu_interval = mo;
mi = e_menu_item_new(mo);
e_menu_item_label_set(mi, D_("Fast (0.5 sec)"));
e_menu_item_radio_set(mi, 1);
e_menu_item_radio_group_set(mi, 1);
if (inst->ci->interval <= 0.5) e_menu_item_toggle_set(mi, 1);
e_menu_item_callback_set(mi, _cpu_menu_fast, inst);
mi = e_menu_item_new(mo);
e_menu_item_label_set(mi, D_("Medium (1 sec)"));
e_menu_item_radio_set(mi, 1);
e_menu_item_radio_group_set(mi, 1);
if (inst->ci->interval > 0.5) e_menu_item_toggle_set(mi, 1);
e_menu_item_callback_set(mi, _cpu_menu_medium, inst);
mi = e_menu_item_new(mo);
e_menu_item_label_set(mi, D_("Normal (2 sec)"));
e_menu_item_radio_set(mi, 1);
e_menu_item_radio_group_set(mi, 1);
if (inst->ci->interval >= 2.0) e_menu_item_toggle_set(mi, 1);
e_menu_item_callback_set(mi, _cpu_menu_normal, inst);
mi = e_menu_item_new(mo);
e_menu_item_label_set(mi, D_("Slow (5 sec)"));
e_menu_item_radio_set(mi, 1);
e_menu_item_radio_group_set(mi, 1);
if (inst->ci->interval >= 5.0) e_menu_item_toggle_set(mi, 1);
e_menu_item_callback_set(mi, _cpu_menu_slow, inst);
mi = e_menu_item_new(mo);
e_menu_item_label_set(mi, D_("Very Slow (30 sec)"));
e_menu_item_radio_set(mi, 1);
e_menu_item_radio_group_set(mi, 1);
if (inst->ci->interval >= 30.0) e_menu_item_toggle_set(mi, 1);
e_menu_item_callback_set(mi, _cpu_menu_very_slow, inst);
mi = e_menu_item_new(m);
e_menu_item_label_set(mi, D_("Time Between Updates"));
e_menu_item_submenu_set(mi, cpu_conf->menu_interval);
if (cpu_count > 1)
{
mi = e_menu_item_new(m);
e_menu_item_label_set(mi, D_("Merge CPU's into single Statistic"));
e_menu_item_check_set(mi, 1);
if (inst->ci->merge_cpus) e_menu_item_toggle_set(mi, 1);
e_menu_item_callback_set(mi, _cpu_menu_merge_cpus, inst);
}
m = e_gadcon_client_util_menu_items_append(inst->gcc, m, 0);
e_menu_post_deactivate_callback_set(m, _menu_cb_post, inst);
cpu_conf->menu = m;
e_gadcon_canvas_zone_geometry_get(inst->gcc->gadcon, &cx, &cy, &cw, &ch);
e_menu_activate_mouse(m,
e_util_zone_current_get(e_manager_current_get()),
cx + ev->output.x, cy + ev->output.y, 1, 1,
E_MENU_POP_DIRECTION_DOWN, ev->timestamp);
evas_event_feed_mouse_up(inst->gcc->gadcon->evas, ev->button,
EVAS_BUTTON_NONE, ev->timestamp, NULL);
}
}
static void
_menu_cb_post(void *data, E_Menu *m)
{
if (!cpu_conf->menu) return;
e_object_del(E_OBJECT(cpu_conf->menu));
cpu_conf->menu = NULL;
if (cpu_conf->menu_interval)
e_object_del(E_OBJECT(cpu_conf->menu_interval));
cpu_conf->menu_interval = NULL;
}
static void
_cpu_menu_fast(void *data, E_Menu *m, E_Menu_Item *mi)
{
Instance *inst;
inst = data;
inst->ci->interval = 0.5;
ecore_timer_del(inst->timer);
inst->timer = ecore_timer_add(inst->ci->interval, _set_cpu_load, inst);
e_config_save_queue();
}
static void
_cpu_menu_medium(void *data, E_Menu *m, E_Menu_Item *mi)
{
Instance *inst;
inst = data;
inst->ci->interval = 1.0;
ecore_timer_del(inst->timer);
inst->timer = ecore_timer_add(inst->ci->interval, _set_cpu_load, inst);
e_config_save_queue();
}
static void
_cpu_menu_normal(void *data, E_Menu *m, E_Menu_Item *mi)
{
Instance *inst;
inst = data;
inst->ci->interval = 2.0;
ecore_timer_del(inst->timer);
inst->timer = ecore_timer_add(inst->ci->interval, _set_cpu_load, inst);
e_config_save_queue();
}
static void
_cpu_menu_slow(void *data, E_Menu *m, E_Menu_Item *mi)
{
Instance *inst;
inst = data;
inst->ci->interval = 5.0;
ecore_timer_del(inst->timer);
inst->timer = ecore_timer_add(inst->ci->interval, _set_cpu_load, inst);
e_config_save_queue();
}
static void
_cpu_menu_very_slow(void *data, E_Menu *m, E_Menu_Item *mi)
{
Instance *inst;
inst = data;
inst->ci->interval = 30.0;
ecore_timer_del(inst->timer);
inst->timer = ecore_timer_add(inst->ci->interval, _set_cpu_load, inst);
e_config_save_queue();
}
static void
_cpu_menu_merge_cpus(void *data, E_Menu *m, E_Menu_Item *mi)
{
Instance *inst;
inst = data;
inst->ci->merge_cpus = e_menu_item_toggle_get(mi);
e_config_save_queue();
}
EAPI E_Module_Api e_modapi =
{
E_MODULE_API_VERSION, "Cpu"
};
EAPI void *
e_modapi_init(E_Module *m)
{
char buf[4096];
snprintf(buf, sizeof(buf), "%s/locale", e_module_dir_get(m));
bindtextdomain(PACKAGE, buf);
bind_textdomain_codeset(PACKAGE, "UTF-8");
conf_item_edd = E_CONFIG_DD_NEW("Cpu_Config_Item", Config_Item);
conf_edd = E_CONFIG_DD_NEW("Cpu_Config", Config);
#undef T
#define T Config_Item
#undef D
#define D conf_item_edd
E_CONFIG_VAL(D, T, id, STR);
E_CONFIG_VAL(D, T, interval, DOUBLE);
E_CONFIG_VAL(D, T, merge_cpus, INT);
#undef T
#define T Config
#undef D
#define D conf_edd
E_CONFIG_LIST(D, T, items, conf_item_edd);
cpu_conf = e_config_domain_load("module.cpu", conf_edd);
if (!cpu_conf)
{
Config_Item *ci;
cpu_conf = E_NEW(Config, 1);
ci = E_NEW(Config_Item, 1);
ci->id = eina_stringshare_add("0");
ci->interval = 1;
ci->merge_cpus = 0;
cpu_conf->items = eina_list_append(cpu_conf->items, ci);
}
cpu_conf->module = m;
e_gadcon_provider_register(&_gc_class);
return m;
}
EAPI int
e_modapi_shutdown(E_Module *m)
{
cpu_conf->module = NULL;
e_gadcon_provider_unregister(&_gc_class);
if (cpu_conf->config_dialog)
e_object_del(E_OBJECT(cpu_conf->config_dialog));
if (cpu_conf->menu)
{
e_menu_post_deactivate_callback_set(cpu_conf->menu, NULL, NULL);
e_object_del(E_OBJECT(cpu_conf->menu));
cpu_conf->menu = NULL;
}
while (cpu_conf->items)
{
Config_Item *ci;
ci = cpu_conf->items->data;
if (ci->id) eina_stringshare_del(ci->id);
cpu_conf->items = eina_list_remove_list(cpu_conf->items, cpu_conf->items);
E_FREE(ci);
}
E_FREE(cpu_conf);
E_CONFIG_DD_FREE(conf_item_edd);
E_CONFIG_DD_FREE(conf_edd);
return 1;
}
EAPI int
e_modapi_save(E_Module *m)
{
e_config_domain_save("module.cpu", conf_edd, cpu_conf);
return 1;
}
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