e16
/
e16-epplets
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
e16-epplets/epplets/E-NetGraph.c

550 lines
15 KiB
C
Raw Blame History

/* E-Netgraph v0.2 - Oct. 27, 1999
* Written by Daniel Erat, a.k.a. hunchback
* erat@cats.ucsc.edu, danerat@mindspring.com
* http://www2.ucsc.edu/~erat/
* You can also occasionally find me on efnet #e as hunchback.
* Modified by Rahsheen Porter (StriderZ) */
#include <sys/time.h>
#include "config.h"
#include "epplet.h"
#include "net.h"
/* global variables */
RGB_buf rgbbuf;
static Window win, config_win = None;
static unsigned char *rgb_pointer_start = NULL;
static Epplet_gadget close_button, cfg_button, cfg_tb_in, cfg_tb_out, cfg_tb_bg,
cfg_tb_dev;
static long total_bytes_in = 0;
static long total_bytes_out = 0;
static int old_in_y = 0, old_out_y = 39;
static struct timeval last_time;
static const char *device_string = NULL, *cfg_device_string = NULL;
static long max_bytes_in_per_sec = 8192;
static long max_bytes_out_per_sec = 8192;
static int ignore_no_dev = 0, cfg_ignore_no_dev = 0;
static int in_color[3];
static int out_color[3];
static int bg_color[3];
static int log_scale = 0, cfg_log_scale = 0;
static unsigned int in_color_hex = 0x0040c0;
static unsigned int out_color_hex = 0xc000c0;
static unsigned int bg_color_hex = 0x000000;
static void config_cb(void *data);
/* functions */
static void
timer_draw(void *data __UNUSED__)
{
long new_bytes_in = 0;
long new_bytes_out = 0;
double new_total_bytes_in = -1.0, new_total_bytes_out = -1.0;
unsigned char *rgb_pointer_dynamic = NULL, invalid;
int i, j;
int new_in_y, new_out_y;
float intensity;
long elapsed_microseconds;
struct timeval current_time;
for (;
(invalid =
net_get_bytes_inout(device_string, &new_total_bytes_in,
&new_total_bytes_out)) != 0;)
{
if (ignore_no_dev == 0)
{
Epplet_dialog_ok
("Unable to get network device statistics for %s: %s",
device_string, net_strerror(invalid));
Esync();
config_cb(NULL);
return;
}
else
{
new_total_bytes_in = 0.0;
new_total_bytes_out = 0.0;
Esync();
Epplet_timer(timer_draw, NULL, 0.1, "timer_draw");
return;
}
}
if (new_total_bytes_in != -1.0)
{
if (total_bytes_in == 0)
total_bytes_in = (long)new_total_bytes_in;
if (total_bytes_out == 0)
total_bytes_out = (long)new_total_bytes_out;
new_bytes_in = (long)new_total_bytes_in - total_bytes_in;
new_bytes_out = (long)new_total_bytes_out - total_bytes_out;
total_bytes_in = new_total_bytes_in;
total_bytes_out = new_total_bytes_out;
}
/* find out how long it's been since our last calculation */
gettimeofday(&current_time, NULL);
elapsed_microseconds =
(current_time.tv_sec * 1000000L + current_time.tv_usec) -
(last_time.tv_sec * 1000000L + last_time.tv_usec);
last_time = current_time;
/* calculate the percentage of the max, averaging with the last pct */
if (log_scale)
{
new_in_y = (int)(0.5 * old_in_y + 0.5 * 39 *
(1 + log10(0.1 + (float)new_bytes_in /
((float)max_bytes_in_per_sec *
((float)elapsed_microseconds /
1000000)))));
new_out_y =
39 - (int)(0.5 * (39 - old_out_y) +
0.5 * 39 * (1 +
log10(0.1 +
(float)new_bytes_out /
((float)max_bytes_out_per_sec *
((float)elapsed_microseconds /
1000000)))));
}
else
{
new_in_y = (int)(0.5 * old_in_y + 0.5 * 39 *
(float)new_bytes_in /
((float)max_bytes_in_per_sec *
((float)elapsed_microseconds / 1000000)));
new_out_y = 39 - (int)(0.5 * (39 - old_out_y) + 0.5 * 39 *
(float)new_bytes_out /
((float)max_bytes_out_per_sec *
((float)elapsed_microseconds / 1000000)));
}
/* whee.. shift the buffer one pixel to the left */
for (i = 0; i <= 39; i++)
{
for (rgb_pointer_dynamic = rgb_pointer_start + (i * 4 * 40);
rgb_pointer_dynamic <= rgb_pointer_start + (i * 4 * 40) + 4 * 38;
rgb_pointer_dynamic += 4)
{
for (j = 0; j <= 2; j++)
rgb_pointer_dynamic[j] = rgb_pointer_dynamic[j + 4];
}
}
/* clear the line on the right, and draw the new data */
for (i = 1; i <= 38; i++)
{
rgb_pointer_dynamic = rgb_pointer_start + (i * 4 * 40) + 4 * 38;
for (j = 0; j <= 2; j++)
rgb_pointer_dynamic[j] = bg_color[j];
intensity = 0;
if (i >= old_out_y)
{
if (old_out_y >= new_out_y || i >= new_out_y)
intensity = ((float)(39 - i) / (float)(39 - old_out_y));
else
intensity = 1 - ((float)(new_out_y - i) / (float)
(new_out_y - old_out_y));
}
else if (i >= new_out_y)
intensity = 1 - ((float)(old_out_y - i) / (float)
(old_out_y - new_out_y));
if (intensity != 0)
for (j = 0; j <= 2; j++)
rgb_pointer_dynamic[j] = intensity * out_color[j] +
(1 - intensity) * rgb_pointer_dynamic[j];
intensity = 0;
if (i <= old_in_y)
{
if (old_in_y <= new_in_y || i <= new_in_y)
intensity = ((float)i / (float)old_in_y);
else
intensity = 1 - ((float)(i - new_in_y) / (float)
(old_in_y - new_in_y));
}
else if (i <= new_in_y)
intensity = 1 - ((float)(i - old_in_y) / (float)
(new_in_y - old_in_y));
if (intensity != 0)
for (j = 0; j <= 2; j++)
rgb_pointer_dynamic[j] = intensity * in_color[j] +
(1 - intensity) * rgb_pointer_dynamic[j];
}
old_in_y = new_in_y;
old_out_y = new_out_y;
Epplet_paste_buf(rgbbuf, win, 0, 0);
Esync();
Epplet_timer(timer_draw, NULL, 0.1, "timer_draw");
}
static void
cb_close(void *data __UNUSED__)
{
Epplet_unremember();
Esync();
exit(0);
}
static void
cb_in(void *data __UNUSED__, Window w)
{
if (w == Epplet_get_main_window())
{
Epplet_gadget_show(cfg_button);
Epplet_gadget_show(close_button);
}
}
static void
cb_out(void *data __UNUSED__, Window w)
{
if (w == Epplet_get_main_window())
{
Epplet_gadget_hide(cfg_button);
Epplet_gadget_hide(close_button);
}
}
static int
delete_cb(void *data __UNUSED__, Window w __UNUSED__)
{
config_win = None;
return 1;
}
static void
apply_config(void)
{
const char *s;
device_string = cfg_device_string;
Epplet_modify_config("device", device_string);
s = Epplet_textbox_contents(cfg_tb_in);
if (strlen(s))
{
Epplet_modify_config("in_color", s);
in_color_hex = strtoul(s, (char **)NULL, 0);
in_color[0] = in_color_hex >> 16;
in_color[1] = (in_color_hex >> 8) & 0xff;
in_color[2] = in_color_hex & 0xff;
}
s = Epplet_textbox_contents(cfg_tb_out);
if (strlen(s))
{
Epplet_modify_config("out_color", s);
out_color_hex = strtoul(s, (char **)NULL, 0);
out_color[0] = out_color_hex >> 16;
out_color[1] = (out_color_hex >> 8) & 0xff;
out_color[2] = out_color_hex & 0xff;
}
s = Epplet_textbox_contents(cfg_tb_bg);
if (strlen(s))
{
Epplet_modify_config("bg_color", s);
bg_color_hex = strtoul(s, (char **)NULL, 0);
bg_color[0] = bg_color_hex >> 16;
bg_color[1] = (bg_color_hex >> 8) & 0xff;
bg_color[2] = bg_color_hex & 0xff;
}
log_scale = cfg_log_scale;
Epplet_modify_config("log_scale", (log_scale ? "1" : "0"));
ignore_no_dev = cfg_ignore_no_dev;
Epplet_modify_config("ignore_no_dev", (ignore_no_dev ? "1" : "0"));
timer_draw(NULL);
}
static void
ok_cb(void *data __UNUSED__)
{
apply_config();
Epplet_save_config();
Epplet_window_destroy(config_win);
config_win = None;
}
static void
apply_cb(void *data __UNUSED__)
{
apply_config();
}
static void
cancel_cb(void *data __UNUSED__)
{
Epplet_window_destroy(config_win);
config_win = None;
}
static void
dev_popup_cb(void *data)
{
cfg_device_string = (char *)data;
Epplet_change_textbox(cfg_tb_dev, cfg_device_string);
}
static void
config_cb(void *data __UNUSED__)
{
char buff[128];
static char **devices = NULL;
Epplet_gadget dev_popup;
unsigned long i;
if (config_win)
{
return;
}
config_win =
Epplet_create_window_config(200, 260, "E-NetGraph Configuration", ok_cb,
NULL, apply_cb, NULL, cancel_cb, NULL);
dev_popup = Epplet_create_popup();
if (!devices)
{
devices = net_get_devices(NULL);
}
if (devices)
{
for (i = 0; devices[i]; i++)
{
Epplet_add_popup_entry(dev_popup, devices[i], NULL, dev_popup_cb,
(void *)devices[i]);
}
}
cfg_device_string = device_string;
Epplet_gadget_show(Epplet_create_label(4, 4, "Interface to monitor...", 2));
Epplet_gadget_show(cfg_tb_dev =
Epplet_create_textbox(NULL, device_string, 4, 18, 178, 20,
2, NULL, NULL));
Epplet_gadget_show(Epplet_create_popupbutton
(NULL, NULL, 185, 22, 12, 12, "ARROW_UP", dev_popup));
sprintf(buff, "0x%02x%02x%02x", in_color[0], in_color[1], in_color[2]);
Epplet_gadget_show(Epplet_create_label
(4, 50, "Color for incoming packets:", 2));
Epplet_gadget_show(cfg_tb_in =
Epplet_create_textbox(NULL, buff, 4, 64, 192, 20, 2, NULL,
NULL));
sprintf(buff, "0x%02x%02x%02x", out_color[0], out_color[1], out_color[2]);
Epplet_gadget_show(Epplet_create_label
(4, 96, "Color for outgoing packets:", 2));
Epplet_gadget_show(cfg_tb_out =
Epplet_create_textbox(NULL, buff, 4, 110, 192, 20, 2,
NULL, NULL));
sprintf(buff, "0x%02x%02x%02x", bg_color[0], bg_color[1], bg_color[2]);
Epplet_gadget_show(Epplet_create_label
(4, 142, "Color for window background:", 2));
Epplet_gadget_show(cfg_tb_bg =
Epplet_create_textbox(NULL, buff, 4, 156, 192, 20, 2,
NULL, NULL));
cfg_log_scale = log_scale;
Epplet_gadget_show(Epplet_create_togglebutton
(NULL, NULL, 4, 188, 12, 12, &cfg_log_scale, NULL, NULL));
Epplet_gadget_show(Epplet_create_label
(20, 188, "Use logarithmic scale?", 2));
cfg_ignore_no_dev = ignore_no_dev;
Epplet_gadget_show(Epplet_create_togglebutton
(NULL, NULL, 4, 220, 12, 12, &cfg_ignore_no_dev, NULL,
NULL));
Epplet_gadget_show(Epplet_create_label
(20, 220, "Ignore no device error?", 2));
Epplet_window_show(config_win);
Epplet_window_pop_context();
}
static void
load_config(void)
{
const char *s;
device_string = Epplet_query_config_def("device", "ppp0");
max_bytes_in_per_sec = atoi(Epplet_query_config_def("max_in", "150000"));
max_bytes_out_per_sec = atoi(Epplet_query_config_def("max_out", "150000"));
s = Epplet_query_config_def("in_color", "0x0040c0");
in_color_hex = strtol(s, (char **)NULL, 0);
s = Epplet_query_config_def("out_color", "0xc000c0");
out_color_hex = strtol(s, (char **)NULL, 0);
s = Epplet_query_config_def("bg_color", "0");
bg_color_hex = strtol(s, (char **)NULL, 0);
log_scale = atoi(Epplet_query_config_def("log_scale", "0"));
ignore_no_dev = atoi(Epplet_query_config_def("ignore_no_dev", "0"));
}
int
main(int argc, char **argv)
{
Epplet_gadget drawingarea;
int i = 1;
Epplet_adjust_priority(10);
Epplet_Init("E-NetGraph", "0.2",
"Enlightenment Network Activity epplet", 3, 3, argc, argv, 0);
Epplet_load_config();
load_config();
atexit(Epplet_cleanup);
while (i < argc)
{
if (argv[i][0] == '-')
{
switch (argv[i][1])
{
case 'd':
if (i + 1 < argc)
device_string = strdup(argv[i + 1]);
else
{
fprintf(stderr, "missing device "
"string -- aborting\n");
Epplet_unremember();
Esync();
exit(1);
}
i += 2;
break;
case 'i':
if (i + 1 < argc)
sscanf(argv[i + 1], "%x", &in_color_hex);
else
{
fprintf(stderr, "missing incoming color "
"string ignored -- aborting\n");
exit(1);
}
i += 2;
break;
case 'o':
if (i + 1 < argc)
sscanf(argv[i + 1], "%x", &out_color_hex);
else
{
fprintf(stderr, "missing outgoing color "
"string ignored -- aborting\n");
exit(1);
}
i += 2;
break;
case 'b':
if (i + 1 < argc)
sscanf(argv[i + 1], "%x", &bg_color_hex);
else
{
fprintf(stderr, "missing background color "
"string ignored -- aborting\n");
exit(1);
}
i += 2;
break;
case 'r':
if (i + 1 < argc)
max_bytes_in_per_sec = atoi(argv[i + 1]);
else
{
fprintf(stderr, "missing maximum incoming bytes "
"per second value -- aborting\n");
exit(1);
}
i += 2;
break;
case 't':
if (i + 1 < argc)
max_bytes_out_per_sec = atoi(argv[i + 1]);
else
{
fprintf(stderr, "missing maximum outgoing bytes "
"per second value -- aborting\n");
exit(1);
}
i += 2;
break;
case 'l':
log_scale = 1;
i++;
break;
case 'h':
printf("usage: E-Netgraph.epplet [OPTION] [OPTION] ..\n"
" -d <string> defines device to monitor "
"[default = ppp0]\n"
" -i <hex number> defines color to use for "
"incoming bytes [default = #0040c0]\n"
" -o <hex number> defines color to use for "
"outgoing bytes [default = #c000c0]\n"
" -b <hex number> defines color to use for "
"background [default = #000000]\n"
" -r <number> defines max. "
"incoming bytes per second [default = 8192]\n"
" -t <number> defines max. "
"outgoing bytes per second [default = 8192]\n"
" -l enables logarithmic mode "
"(for high-bandwidth connections)\n"
" -h displays this screen\n");
exit(0);
default:
fprintf(stderr, "invalid option %c -- use -h for help\n",
argv[i][1]);
exit(1);
}
}
else
i++;
}
in_color[0] = in_color_hex >> 16;
in_color[1] = (in_color_hex >> 8) & 0xff;
in_color[2] = in_color_hex & 0xff;
out_color[0] = out_color_hex >> 16;
out_color[1] = (out_color_hex >> 8) & 0xff;
out_color[2] = out_color_hex & 0xff;
bg_color[0] = bg_color_hex >> 16;
bg_color[1] = (bg_color_hex >> 8) & 0xff;
bg_color[2] = bg_color_hex & 0xff;
Epplet_gadget_show(drawingarea = Epplet_create_drawingarea(2, 2, 44, 44));
rgbbuf = Epplet_make_rgb_buf(40, 40);
win = Epplet_get_drawingarea_window(drawingarea);
rgb_pointer_start = Epplet_get_rgb_pointer(rgbbuf);
close_button = Epplet_create_std_button("CLOSE", 2, 2, cb_close, NULL);
cfg_button = Epplet_create_std_button("CONFIGURE", 33, 2, config_cb, NULL);
Epplet_register_focus_in_handler(cb_in, NULL);
Epplet_register_focus_out_handler(cb_out, NULL);
Epplet_register_delete_event_handler(delete_cb, NULL);
gettimeofday(&last_time, NULL);
Epplet_timer(timer_draw, NULL, 0.0, "timer_draw");
Epplet_show();
Epplet_Loop();
return (0);
}
Reference in New Issue View Git Blame Copy Permalink