063ae4be |
1 | /* |
2 | * pandora live info |
3 | * (C) notaz, 2014 |
4 | * |
5 | * This work is licensed under the terms of 3-clause BSD license. |
6 | * See COPYING file in the top-level directory. |
7 | */ |
8 | |
9 | #include <stdio.h> |
15f42220 |
10 | #include <stdlib.h> |
063ae4be |
11 | #include <string.h> |
12 | #include <stdarg.h> |
3a836137 |
13 | #include <ctype.h> |
063ae4be |
14 | #include <pthread.h> |
15 | #include <sys/types.h> |
16 | #include <sys/stat.h> |
17 | #include <fcntl.h> |
18 | #include <sys/ioctl.h> |
19 | #include <sys/mman.h> |
20 | #include <unistd.h> |
21 | #include <sys/time.h> |
22 | #include <time.h> |
23 | #include <sys/socket.h> |
24 | #include <sys/un.h> |
25 | #include <signal.h> |
26 | #include <poll.h> |
27 | #include <linux/fb.h> |
28 | #include <linux/omapfb.h> |
29 | #include <stdint.h> |
30 | #include "fonts.h" |
31 | |
32 | #define SCREEN_WIDTH 800 |
33 | #define SCREEN_HEIGHT 480 |
34 | #define WIDTH 80 |
35 | #define HEIGHT 480 |
063ae4be |
36 | #define Y_STEP 9 |
37 | |
38 | static struct fb_var_screeninfo g_vi; |
39 | static uint16_t *g_screen_base, *g_screen; |
3a836137 |
40 | static struct { |
41 | int x, y, w, h; |
42 | } g_layer; |
43 | static unsigned int g_mem_size; |
063ae4be |
44 | static unsigned int g_old_mem; |
15f42220 |
45 | static int g_flip_id; |
46 | static int g_exit, g_hide; |
47 | static pthread_cond_t g_cond; |
063ae4be |
48 | |
b7d8fc1a |
49 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) |
3a836137 |
50 | #define PAGE_ALIGN(x) (((x) + 0xfff) & ~0xfff) |
063ae4be |
51 | #define IS_START(buf, str) \ |
52 | !strncmp(buf, str, sizeof(str) - 1) |
53 | |
15f42220 |
54 | static void clear_bytes(void *mem, int bytes); |
55 | |
56 | static int setup_layer(int fd) |
063ae4be |
57 | { |
063ae4be |
58 | struct omapfb_plane_info pi; |
59 | struct omapfb_mem_info mi; |
60 | struct omapfb_color_key key; |
61 | int ret; |
62 | |
15f42220 |
63 | ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi); |
063ae4be |
64 | if (ret < 0) { |
65 | perror("ioctl OMAPFB_QUERY_PLANE"); |
66 | return 1; |
67 | } |
68 | |
15f42220 |
69 | ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi); |
063ae4be |
70 | if (ret < 0) { |
71 | perror("ioctl OMAPFB_QUERY_MEM"); |
72 | return 1; |
73 | } |
74 | |
75 | /* must disable when changing stuff */ |
76 | if (pi.enabled) { |
77 | pi.enabled = 0; |
15f42220 |
78 | ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi); |
063ae4be |
79 | if (ret < 0) { |
80 | perror("ioctl OMAPFB_SETUP_PLANE (d)"); |
81 | return 1; |
82 | } |
83 | } |
84 | |
85 | g_old_mem = mi.size; |
3a836137 |
86 | g_mem_size = PAGE_ALIGN(g_layer.w * g_layer.h * 2 * 2); |
87 | if (mi.size < g_mem_size) { |
88 | mi.size = g_mem_size; |
15f42220 |
89 | ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi); |
063ae4be |
90 | if (ret < 0) { |
91 | perror("ioctl SETUP_MEM"); |
92 | return 1; |
93 | } |
94 | } |
95 | |
3a836137 |
96 | printf("layer: %d %d %d %d\n", |
97 | g_layer.x, g_layer.y, g_layer.w, g_layer.h); |
98 | |
99 | pi.pos_x = g_layer.x; |
100 | pi.pos_y = g_layer.y; |
101 | pi.out_width = g_layer.w; |
102 | pi.out_height = g_layer.h; |
15f42220 |
103 | ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi); |
063ae4be |
104 | if (ret < 0) { |
105 | perror("ioctl OMAPFB_SETUP_PLANE (e1)"); |
106 | return 1; |
107 | } |
108 | |
15f42220 |
109 | ret = ioctl(fd, FBIOGET_VSCREENINFO, &g_vi); |
063ae4be |
110 | if (ret < 0) { |
111 | perror("ioctl FBIOGET_VSCREENINFO"); |
112 | return 1; |
113 | } |
114 | |
3a836137 |
115 | g_vi.xres = g_vi.xres_virtual = g_layer.w; |
116 | g_vi.yres = g_layer.h; |
117 | g_vi.yres_virtual = g_layer.h * 2; |
063ae4be |
118 | g_vi.bits_per_pixel = 16; |
119 | |
15f42220 |
120 | ret = ioctl(fd, FBIOPUT_VSCREENINFO, &g_vi); |
063ae4be |
121 | if (ret < 0) { |
122 | perror("ioctl FBIOPUT_VSCREENINFO"); |
123 | return 1; |
124 | } |
125 | |
126 | pi.enabled = 1; |
15f42220 |
127 | ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi); |
063ae4be |
128 | if (ret < 0) { |
129 | perror("ioctl OMAPFB_SETUP_PLANE (e2)"); |
130 | return 1; |
131 | } |
132 | |
133 | memset(&key, 0, sizeof(key)); |
134 | key.key_type = OMAPFB_COLOR_KEY_VID_SRC; |
135 | key.trans_key = 0x07e0; |
136 | |
15f42220 |
137 | ret = ioctl(fd, OMAPFB_SET_COLOR_KEY, &key); |
138 | if (ret < 0) { |
139 | perror("ioctl OMAPFB_SET_COLOR_KEY"); |
063ae4be |
140 | return 1; |
15f42220 |
141 | } |
142 | |
3a836137 |
143 | g_screen_base = mmap(NULL, g_mem_size, PROT_READ | PROT_WRITE, |
15f42220 |
144 | MAP_SHARED, fd, 0); |
145 | if (g_screen_base == MAP_FAILED) { |
146 | perror("mmap"); |
147 | g_screen = g_screen_base = NULL; |
148 | return 1; |
149 | } |
3a836137 |
150 | clear_bytes(g_screen_base, g_mem_size); |
15f42220 |
151 | g_screen = g_screen_base; |
152 | g_flip_id = 0; |
063ae4be |
153 | |
154 | return 0; |
155 | } |
156 | |
15f42220 |
157 | static int check_layer(int fd) |
063ae4be |
158 | { |
159 | struct omapfb_plane_info pi; |
160 | int ret; |
161 | |
15f42220 |
162 | ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi); |
063ae4be |
163 | if (ret < 0) { |
164 | perror("ioctl OMAPFB_QUERY_PLANE"); |
165 | return 1; |
166 | } |
167 | |
168 | if (!pi.enabled) { |
169 | printf("something disabled the layer (tv-out?), quitting\n"); |
170 | return 1; |
171 | } |
172 | |
173 | return 0; |
174 | } |
175 | |
15f42220 |
176 | static void remove_layer(int fd) |
063ae4be |
177 | { |
178 | struct omapfb_plane_info pi; |
179 | struct omapfb_mem_info mi; |
180 | int ret; |
181 | |
15f42220 |
182 | if (g_screen_base != NULL) { |
3a836137 |
183 | munmap(g_screen_base, g_mem_size); |
15f42220 |
184 | g_screen = g_screen_base = NULL; |
185 | } |
186 | |
063ae4be |
187 | memset(&pi, 0, sizeof(pi)); |
188 | pi.enabled = 0; |
15f42220 |
189 | ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi); |
063ae4be |
190 | if (ret < 0) |
191 | perror("ioctl OMAPFB_SETUP_PLANE (c)"); |
192 | |
15f42220 |
193 | ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi); |
063ae4be |
194 | if (ret < 0) { |
195 | perror("ioctl OMAPFB_QUERY_MEM"); |
196 | goto out; |
197 | } |
198 | |
199 | if (mi.size != g_old_mem) { |
200 | mi.size = g_old_mem; |
15f42220 |
201 | ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi); |
063ae4be |
202 | if (ret < 0) { |
203 | perror("ioctl SETUP_MEM"); |
204 | goto out; |
205 | } |
206 | } |
207 | |
15f42220 |
208 | out:; |
063ae4be |
209 | } |
210 | |
15f42220 |
211 | static void flip_fb(int fd) |
063ae4be |
212 | { |
3a836137 |
213 | g_vi.yoffset = g_flip_id * g_layer.h; |
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214 | ioctl(fd, FBIOPAN_DISPLAY, &g_vi); |
215 | g_flip_id ^= 1; |
3a836137 |
216 | g_screen = g_screen_base + g_flip_id * g_layer.w * g_layer.h; |
063ae4be |
217 | } |
218 | |
15f42220 |
219 | static void handle_term(int num) |
063ae4be |
220 | { |
15f42220 |
221 | g_exit = 1; |
222 | pthread_cond_signal(&g_cond); |
223 | } |
063ae4be |
224 | |
15f42220 |
225 | static void handle_usr1(int num) |
226 | { |
227 | g_hide = !g_hide; |
228 | pthread_cond_signal(&g_cond); |
063ae4be |
229 | } |
230 | |
b7d8fc1a |
231 | static struct { |
232 | char text[16]; |
233 | int idle; |
234 | } user_msgs[16]; |
235 | |
236 | static int handle_socket(int sock) |
237 | { |
238 | char buf[256], *p; |
239 | int i, ret; |
240 | |
241 | ret = recv(sock, buf, sizeof(buf) - 1, 0); |
242 | if (ret < 0) { |
243 | perror("recv"); |
244 | return ret; |
245 | } |
246 | if (ret == 0) |
247 | return 0; |
248 | |
249 | buf[ret] = 0; |
250 | p = strchr(buf, ':'); |
251 | if (p != NULL) { |
252 | for (i = 0; i < ARRAY_SIZE(user_msgs); i++) { |
253 | if (user_msgs[i].text[0] == 0) |
254 | break; |
255 | if (!strncmp(user_msgs[i].text, buf, p - buf + 1)) |
256 | break; |
257 | } |
258 | if (i == ARRAY_SIZE(user_msgs)) { |
259 | printf("out of user_msg slots\n"); |
260 | return 0; |
261 | } |
262 | memcpy(user_msgs[i].text, buf, sizeof(user_msgs[i].text) - 1); |
263 | user_msgs[i].text[sizeof(user_msgs[i].text) - 1] = 0; |
264 | user_msgs[i].idle = 0; |
265 | } |
266 | else if (!strcmp(buf, "poke")) { |
267 | // if hidden, show up |
268 | // if visible, exit |
269 | if (g_hide) { |
270 | g_hide = 0; |
271 | return 1; |
272 | } |
273 | g_exit = 1; |
274 | return 1; |
275 | } |
276 | else if (!strcmp(buf, "hide")) { |
277 | g_hide = 1; |
278 | return 1; |
279 | } |
280 | else if (!strcmp(buf, "show")) { |
281 | g_hide = 0; |
282 | return 1; |
283 | } |
284 | else if (!strcmp(buf, "quit")) { |
285 | g_exit = 1; |
286 | return 1; |
287 | } |
288 | else { |
289 | printf("unknown command: '%s'\n", buf); |
290 | } |
291 | |
292 | return 0; |
293 | } |
294 | |
3a836137 |
295 | static void default_config(void) |
296 | { |
297 | g_layer.x = SCREEN_WIDTH - WIDTH; |
298 | g_layer.y = 0; |
299 | g_layer.w = WIDTH; |
300 | g_layer.h = HEIGHT; |
301 | } |
302 | |
303 | static void handle_config(void) |
304 | { |
305 | char buf[256], *p; |
306 | int x, y, v; |
307 | FILE *f; |
308 | |
309 | default_config(); |
310 | |
311 | f = fopen("config.cfg", "r"); |
312 | if (f == NULL) |
313 | return; |
314 | |
315 | while ((p = fgets(buf, sizeof(buf), f))) { |
316 | while (isspace(*p)) |
317 | p++; |
318 | if (*p == '#' || *p == ';' || *p == 0) |
319 | continue; |
320 | |
321 | if (sscanf(p, "position = %d %d", &x, &y) == 2) { |
322 | g_layer.x = x; |
323 | g_layer.y = y; |
324 | } |
325 | else { |
326 | printf("unhandled config entry: '%s'\n", p); |
327 | } |
328 | } |
329 | fclose(f); |
330 | |
331 | v = SCREEN_WIDTH - g_layer.x; |
332 | if (v <= 0) { |
333 | printf("bad x position in config: %d\n", g_layer.x); |
334 | default_config(); |
335 | return; |
336 | } |
337 | if (v < WIDTH) |
338 | g_layer.w = v; |
339 | |
340 | v = SCREEN_HEIGHT - g_layer.y; |
341 | if (v <= 0) { |
342 | printf("bad y position in config: %d\n", g_layer.y); |
343 | default_config(); |
344 | return; |
345 | } |
346 | if (v < HEIGHT) |
347 | g_layer.h = v; |
348 | } |
349 | |
350 | #define s_printf(x, y, fmt, ...) do { \ |
351 | if ((y) <= g_layer.h - 8) \ |
352 | basic_text_out16(g_screen, g_layer.w, x, y, fmt, ##__VA_ARGS__); \ |
353 | } while (0) |
063ae4be |
354 | |
355 | static int read_int_file(const char *fn, int *val) |
356 | { |
357 | FILE *f; |
358 | int ret; |
359 | |
360 | *val = 0; |
361 | f = fopen(fn, "r"); |
362 | if (f == NULL) |
363 | return 1; |
364 | ret = fscanf(f, "%d", val); |
365 | fclose(f); |
366 | if (ret != 1) |
367 | return 1; |
368 | |
369 | return 0; |
370 | } |
371 | |
15f42220 |
372 | static void clear_bytes(void *mem, int bytes) |
063ae4be |
373 | { |
15f42220 |
374 | int *p = mem; |
375 | int l = bytes / 4; |
063ae4be |
376 | |
377 | for (; l >= 4; l -= 4, p += 4) |
378 | p[0] = p[1] = p[2] = p[3] = 0x07e007e0; |
379 | for (; l > 0; l--, p++) |
380 | *p = 0x07e007e0; |
381 | } |
382 | |
15f42220 |
383 | static void clear(int h) |
384 | { |
3a836137 |
385 | if (h > g_layer.h) |
386 | h = g_layer.h; |
387 | |
388 | clear_bytes(g_screen, g_layer.w * h * 2); |
15f42220 |
389 | } |
390 | |
063ae4be |
391 | struct proc_stat { |
392 | unsigned long idlesum; |
393 | unsigned long sys; |
394 | unsigned long irqs; |
395 | unsigned long ctxt; |
396 | }; |
397 | |
398 | static struct { |
399 | struct proc_stat last_st; |
400 | int cpu_usage; |
401 | int cpu_sys; |
402 | int irqs; |
403 | int ctxt; |
404 | int mem_free; |
405 | int mem_huge; |
406 | int mem_free_swap; |
407 | } stats; |
408 | |
409 | static void collect_proc_stat(void) |
410 | { |
411 | static long hz; |
412 | struct proc_stat st; |
413 | char buf[256]; |
414 | unsigned long wait; |
415 | unsigned long iowait; |
416 | FILE *f; |
417 | |
418 | if (hz == 0) { |
419 | hz = sysconf(_SC_CLK_TCK); |
420 | printf("hz: %ld\n", hz); |
421 | } |
422 | |
423 | f = fopen("/proc/stat", "r"); |
424 | if (f == NULL) |
425 | return; |
426 | |
427 | if (fscanf(f, "cpu %*s %*s %lu %lu %lu", |
428 | &st.sys, &wait, &iowait) != 3) |
429 | goto out; |
430 | do { |
431 | if (fgets(buf, sizeof(buf), f) == NULL) |
432 | goto out; |
433 | } while (fscanf(f, "intr %lu", &st.irqs) != 1); |
434 | do { |
435 | if (fgets(buf, sizeof(buf), f) == NULL) |
436 | goto out; |
437 | } while (fscanf(f, "ctxt %lu", &st.ctxt) != 1); |
438 | |
439 | st.idlesum = wait + iowait; |
440 | |
441 | stats.cpu_usage = hz - (st.idlesum - stats.last_st.idlesum); |
442 | stats.cpu_sys = st.sys - stats.last_st.sys; |
443 | if (hz != 100) { |
444 | stats.cpu_usage = stats.cpu_usage * 100 / hz; |
445 | stats.cpu_sys = stats.cpu_sys * 100 / hz; |
446 | } |
447 | stats.irqs = st.irqs - stats.last_st.irqs; |
448 | stats.ctxt = st.ctxt - stats.last_st.ctxt; |
449 | |
450 | out: |
451 | stats.last_st = st; |
452 | fclose(f); |
453 | } |
454 | |
455 | static void collect_mem_stat(void) |
456 | { |
457 | static const char fn[] = "/proc/meminfo"; |
458 | uint32_t total = 0, free = 0, buffers = 0, cached = 0; |
459 | uint32_t anonhuge = 0, hugetot = 0, hugefree = 0, hugepgsz = 0; |
460 | uint32_t free_swap = 0; |
461 | char buf[128]; |
462 | FILE *f; |
463 | |
464 | f = fopen(fn, "r"); |
465 | if (f == NULL) |
466 | return; |
467 | |
468 | while (fgets(buf, sizeof(buf), f)) { |
469 | if (total == 0 && sscanf(buf, "MemTotal: %u", &total) == 1) |
470 | continue; |
471 | if (free == 0 && sscanf(buf, "MemFree: %u", &free) == 1) |
472 | continue; |
473 | if (buffers == 0 && sscanf(buf, "Buffers: %u", &buffers) == 1) |
474 | continue; |
475 | if (cached == 0 && sscanf(buf, "Cached: %u", &cached) == 1) |
476 | continue; |
477 | if (free_swap == 0 && sscanf(buf, "SwapFree: %u", &free_swap) == 1) |
478 | continue; |
479 | if (anonhuge == 0 && sscanf(buf, "AnonHugePages: %u", &anonhuge) == 1) |
480 | continue; |
481 | if (hugetot == 0 && sscanf(buf, "HugePages_Total: %u", &hugetot) == 1) |
482 | continue; |
483 | if (hugefree == 0 && sscanf(buf, "HugePages_Free: %u", &hugefree) == 1) |
484 | continue; |
485 | if (hugepgsz == 0 && sscanf(buf, "Hugepagesize: %u", &hugepgsz) == 1) |
486 | continue; |
487 | } |
488 | |
489 | fclose(f); |
490 | |
491 | hugetot = (hugetot - hugefree) * hugepgsz; |
492 | free += buffers + cached; |
493 | stats.mem_free = free >> 10; |
494 | stats.mem_huge = hugetot >> 10; |
495 | stats.mem_free_swap = free_swap >> 10; |
496 | } |
497 | |
498 | struct io_stat { |
499 | unsigned long sec_r; |
500 | unsigned long sec_w; |
501 | }; |
502 | |
503 | static struct { |
504 | struct io_stat last_st; |
505 | int read; // kB/s |
506 | int write; |
507 | } io_stats; |
508 | |
509 | static void collect_io_stat(void) |
510 | { |
511 | unsigned long sec_r, sec_w; |
512 | struct io_stat st = { 0, }; |
513 | char buf[128]; |
514 | FILE *f; |
515 | int i; |
516 | |
517 | for (i = 0; i < 2; i++) { |
518 | snprintf(buf, sizeof(buf), "/sys/block/mmcblk%d/stat", i); |
519 | f = fopen(buf, "r"); |
520 | if (f == NULL) |
521 | continue; |
522 | |
523 | if (fscanf(f, "%*s %*s %lu %*s %*s %*s %lu", |
524 | &sec_r, &sec_w) == 2) |
525 | { |
526 | st.sec_r += sec_r; |
527 | st.sec_w += sec_w; |
528 | } |
529 | fclose(f); |
530 | } |
531 | |
532 | io_stats.read = st.sec_r - io_stats.last_st.sec_r; |
533 | io_stats.write = st.sec_w - io_stats.last_st.sec_w; |
534 | // assuming 512 byte sectors.. |
535 | io_stats.read >>= 1; |
536 | io_stats.write >>= 1; |
537 | |
538 | io_stats.last_st = st; |
539 | } |
540 | |
541 | struct net_stat { |
542 | unsigned long rx; |
543 | unsigned long tx; |
544 | }; |
545 | |
546 | static struct { |
547 | struct net_stat last_st; |
548 | int down; // kB/s |
549 | int up; |
550 | int have_wlan; |
551 | int link; |
552 | int level; |
553 | } net_stats; |
554 | |
555 | static void collect_net_stat(void) |
556 | { |
557 | struct net_stat st = { 0, }; |
558 | unsigned long rx, tx; |
559 | int found = 0; |
560 | char buf[256]; |
561 | FILE *f; |
562 | |
563 | net_stats.down = net_stats.up = |
564 | net_stats.have_wlan = net_stats.link = net_stats.level = 0; |
565 | |
566 | f = fopen("/proc/net/dev", "r"); |
567 | if (f == NULL) |
568 | return; |
569 | |
570 | while (!feof(f)) { |
571 | static const char fmt[] = |
572 | "%255s %lu %*s %*s %*s %*s %*s %*s %lu"; |
573 | if (fscanf(f, fmt, buf, &rx, &tx) != 3) |
574 | continue; |
575 | if (IS_START(buf, "lo")) |
576 | continue; |
577 | st.rx += rx; |
578 | st.tx += tx; |
579 | found = 1; |
580 | } |
581 | fclose(f); |
582 | |
583 | if (found) { |
584 | net_stats.down = st.rx - net_stats.last_st.rx; |
585 | net_stats.up = st.tx - net_stats.last_st.tx; |
586 | } |
587 | net_stats.last_st = st; |
588 | |
589 | f = fopen("/proc/net/wireless", "r"); |
590 | if (f == NULL) |
591 | return; |
592 | |
593 | while (!feof(f)) { |
594 | int lnk, lvl; |
595 | if (fscanf(f, "%255s %*x %d. %d.", buf, &lnk, &lvl) != 3) |
596 | continue; |
597 | if (IS_START(buf, "lo")) |
598 | continue; |
599 | // first one should be enough |
600 | net_stats.have_wlan = 1; |
601 | net_stats.link = lnk; |
602 | net_stats.level = lvl; |
603 | break; |
604 | } |
605 | fclose(f); |
606 | } |
607 | |
608 | static void collect_stats(void) |
609 | { |
610 | collect_proc_stat(); |
611 | collect_mem_stat(); |
612 | collect_io_stat(); |
613 | collect_net_stat(); |
614 | } |
615 | |
616 | static char cpu_reg_path[64]; |
617 | |
618 | static void init_stats(void) |
619 | { |
620 | char buf[64]; |
621 | int found; |
622 | FILE *f; |
623 | int i; |
624 | |
625 | // find the CPU regulator |
626 | for (i = found = 0; ; i++) { |
627 | snprintf(buf, sizeof(buf), |
628 | "/sys/class/regulator/regulator.%d/name", i); |
629 | f = fopen(buf, "r"); |
630 | if (f == NULL) |
631 | break; |
632 | fgets(buf, sizeof(buf), f); |
633 | fclose(f); |
634 | if (IS_START(buf, "vdd_mpu")) { |
635 | found = 1; |
636 | break; |
637 | } |
638 | } |
639 | |
640 | if (found) |
641 | snprintf(cpu_reg_path, sizeof(cpu_reg_path), |
642 | "/sys/class/regulator/regulator.%d/microvolts", i); |
643 | |
644 | // do collect so differential stats get sane values |
645 | collect_stats(); |
646 | } |
647 | |
648 | static void get_time(int x, int y) |
649 | { |
650 | struct timeval tv; |
651 | struct tm *t; |
652 | char buf[16]; |
653 | |
654 | gettimeofday(&tv, NULL); |
655 | t = localtime(&tv.tv_sec); |
656 | strftime(buf, sizeof(buf), "%T", t); |
657 | s_printf(x, y, " %s", buf); |
658 | } |
659 | |
660 | static void get_cpu(int x, int y) |
661 | { |
662 | s_printf(x, y, "CPU:%5d%%", stats.cpu_usage); |
663 | } |
664 | |
665 | static void get_sys(int x, int y) |
666 | { |
667 | s_printf(x, y, "SYS:%5d%%", stats.cpu_sys); |
668 | } |
669 | |
670 | static void get_irq(int x, int y) |
671 | { |
672 | s_printf(x, y, "IRQ:%5u", stats.irqs); |
673 | } |
674 | |
675 | static void get_cs(int x, int y) |
676 | { |
677 | s_printf(x, y, "CS:%6u", stats.ctxt); |
678 | } |
679 | |
680 | static void get_cpuf(int x, int y) |
681 | { |
682 | static const char fn[] = |
683 | "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq"; |
684 | int f; |
685 | |
686 | if (read_int_file(fn, &f)) |
687 | return; |
688 | s_printf(x, y, "f:%7dM", f / 1000); |
689 | } |
690 | |
691 | static void get_cpuv(int x, int y) |
692 | { |
693 | int v = 0; |
694 | |
695 | if (!cpu_reg_path[0] || read_int_file(cpu_reg_path, &v)) |
696 | return; |
697 | s_printf(x, y, "V:%7.3fV", (float)v / 1000000.0f); |
698 | } |
699 | |
700 | static void get_memfree(int x, int y) |
701 | { |
702 | s_printf(x, y, "M:%7dM", stats.mem_free); |
703 | } |
704 | |
705 | static void get_memhuge(int x, int y) |
706 | { |
707 | s_printf(x, y, "H:%7dM", stats.mem_huge); |
708 | } |
709 | |
710 | static void get_memswap(int x, int y) |
711 | { |
712 | s_printf(x, y, "S:%7dM", stats.mem_free_swap); |
713 | } |
714 | |
715 | #define PS_BASE "/sys/class/power_supply/bq27500-0/" |
716 | |
717 | static void get_bcap(int x, int y) |
718 | { |
719 | static const char fnc[] = PS_BASE "capacity"; |
720 | int c; |
721 | |
722 | if (read_int_file(fnc, &c)) |
723 | return; |
724 | s_printf(x, y, "C:%7d%%", c); |
725 | } |
726 | |
727 | static void get_btime(int x, int y) |
728 | { |
729 | static const char fne[] = PS_BASE "time_to_empty_now"; |
730 | static const char fnf[] = PS_BASE "time_to_full_now"; |
731 | int t = 0; |
732 | |
733 | if (read_int_file(fne, &t) || t == 0) { |
734 | if (read_int_file(fnf, &t)) |
735 | return; |
736 | } |
737 | s_printf(x, y, "t:%4d:%02d", t / 3600, t / 60 % 60); |
738 | } |
739 | |
740 | static void get_bvolts(int x, int y) |
741 | { |
742 | static const char fnv[] = PS_BASE "voltage_now"; |
743 | int volt = 0; |
744 | |
745 | if (read_int_file(fnv, &volt)) |
746 | return; |
747 | |
748 | s_printf(x, y, "V:%7.3fV", (float)volt / 1000000.0f); |
749 | } |
750 | |
751 | static void get_bwatts(int x, int y) |
752 | { |
753 | static const char fnc[] = PS_BASE "current_now"; |
754 | static const char fnv[] = PS_BASE "voltage_now"; |
755 | int w, cur = 0, volt = 0; |
756 | |
757 | if (read_int_file(fnc, &cur)) |
758 | return; |
759 | if (read_int_file(fnv, &volt)) |
760 | return; |
761 | |
762 | w = (cur / 1000) * (volt / 1000); |
763 | s_printf(x, y, "P:%7.3fW", (float)w / 1000000.0f); |
764 | } |
765 | |
766 | static void get_btemp(int x, int y) |
767 | { |
768 | static const char fnt[] = PS_BASE "temp"; |
769 | int t; |
770 | |
771 | if (read_int_file(fnt, &t)) |
772 | return; |
773 | s_printf(x, y, "T:%7.1fC", (float)t / 10.0f); |
774 | } |
775 | |
776 | static void get_ioread(int x, int y) |
777 | { |
778 | s_printf(x, y, "R:%5.1fM/s", (float)io_stats.read / 1000.0f); |
779 | } |
780 | |
781 | static void get_iowrite(int x, int y) |
782 | { |
783 | s_printf(x, y, "W:%5.1fM/s", (float)io_stats.write / 1000.0f); |
784 | } |
785 | |
786 | static void get_netdown(int x, int y) |
787 | { |
788 | s_printf(x, y, "D:%5uK/s", net_stats.down / 1000); |
789 | } |
790 | |
791 | static void get_netup(int x, int y) |
792 | { |
793 | s_printf(x, y, "U:%5uK/s", net_stats.up / 1000); |
794 | } |
795 | |
796 | static void get_netsgnl(int x, int y) |
797 | { |
798 | s_printf(x, y, "S:%5ddBm", net_stats.level); |
799 | } |
800 | |
801 | int main(int argc, char *argv[]) |
802 | { |
15f42220 |
803 | static const char socket_name[] = "\0liveinfo"; |
804 | static const char fbname[] = "/dev/fb2"; |
063ae4be |
805 | pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; |
063ae4be |
806 | pthread_condattr_t condattr; |
807 | struct sockaddr_un sun; |
808 | struct timespec ts; |
809 | struct pollfd pfd; |
15f42220 |
810 | const char *p; |
811 | int is_hidden = 0; |
063ae4be |
812 | int y = 0, y_max = 0; |
15f42220 |
813 | int fd = -1; |
063ae4be |
814 | int sock; |
b7d8fc1a |
815 | int i, ret; |
063ae4be |
816 | |
817 | // look for other instance |
b7d8fc1a |
818 | sock = socket(PF_UNIX, SOCK_DGRAM, 0); |
063ae4be |
819 | if (sock == -1) { |
820 | perror("socket PF_UNIX"); |
821 | return 1; |
822 | } |
823 | |
824 | memset(&sun, 0, sizeof(sun)); |
825 | sun.sun_family = AF_UNIX; |
826 | memcpy(sun.sun_path, socket_name, sizeof(socket_name)); |
827 | |
828 | ret = connect(sock, (struct sockaddr *)&sun, sizeof(sun)); |
829 | if (ret == 0) { |
15f42220 |
830 | printf("other instance detected, sending poke command\n"); |
b7d8fc1a |
831 | ret = send(sock, "poke", 4, 0); |
832 | if (ret != 4) |
063ae4be |
833 | perror("send"); |
834 | close(sock); |
b7d8fc1a |
835 | return ret == 4 ? 0 : 1; |
15f42220 |
836 | } |
837 | |
3a836137 |
838 | // load the config |
839 | handle_config(); |
840 | |
15f42220 |
841 | fd = open(fbname, O_RDWR); |
842 | if (fd == -1) { |
843 | fprintf(stderr, "open %s: ", fbname); |
844 | perror(NULL); |
845 | return 1; |
063ae4be |
846 | } |
847 | |
15f42220 |
848 | nice(-1); |
849 | |
850 | // no need for privileges any more |
851 | p = getenv("SUDO_UID"); |
852 | if (p != NULL) { |
853 | ret = atoi(p); |
854 | if (ret != 0) { |
855 | ret = setuid(ret); |
856 | if (ret) |
857 | perror("setuid"); |
858 | } |
859 | } |
860 | |
861 | // bind/listen for commands |
063ae4be |
862 | ret = bind(sock, (struct sockaddr *)&sun, sizeof(sun)); |
863 | if (ret != 0) { |
864 | perror("bind"); |
865 | close(sock); |
866 | return 1; |
867 | } |
868 | |
b7d8fc1a |
869 | #if 0 |
063ae4be |
870 | ret = listen(sock, 1); |
871 | if (ret != 0) { |
872 | perror("listen"); |
873 | close(sock); |
874 | return 1; |
875 | } |
b7d8fc1a |
876 | #endif |
063ae4be |
877 | |
878 | pfd.fd = sock; |
879 | pfd.events = POLLIN | POLLPRI; |
880 | pfd.revents = 0; |
881 | |
063ae4be |
882 | ret = pthread_condattr_init(&condattr); |
883 | ret |= pthread_condattr_setclock(&condattr, CLOCK_MONOTONIC); |
15f42220 |
884 | ret |= pthread_cond_init(&g_cond, &condattr); |
063ae4be |
885 | pthread_condattr_destroy(&condattr); |
886 | if (ret != 0) { |
887 | fprintf(stderr, "cond init failed\n"); |
888 | return 1; |
889 | } |
890 | |
15f42220 |
891 | ret = setup_layer(fd); |
063ae4be |
892 | if (ret) |
893 | return ret; |
894 | |
15f42220 |
895 | // clean up on kill too |
896 | signal(SIGTERM, handle_term); |
897 | signal(SIGUSR1, handle_usr1); |
063ae4be |
898 | |
899 | pthread_mutex_lock(&mutex); |
900 | ret = clock_gettime(CLOCK_MONOTONIC, &ts); |
901 | if (ret != 0) { |
902 | perror("clock_gettime CLOCK_MONOTONIC"); |
903 | return 1; |
904 | } |
905 | |
063ae4be |
906 | init_stats(); |
907 | |
15f42220 |
908 | while (!g_exit) |
909 | { |
b7d8fc1a |
910 | // anything on unix socket? |
911 | ret = poll(&pfd, 1, 0); |
912 | if (ret < 0) { |
913 | perror("poll"); |
914 | break; |
915 | } |
916 | if (ret > 0) { |
917 | ret = handle_socket(sock); |
918 | if (ret < 0) |
919 | break; |
920 | continue; |
921 | } |
922 | |
15f42220 |
923 | // handle hiding |
924 | if (g_hide) { |
925 | if (!is_hidden) { |
926 | remove_layer(fd); |
927 | is_hidden = 1; |
928 | } |
929 | goto do_sleep; |
930 | } |
931 | else if (is_hidden) { |
932 | ret = setup_layer(fd); |
933 | if (ret) |
934 | break; |
935 | is_hidden = 0; |
936 | } |
937 | |
b7d8fc1a |
938 | if (check_layer(fd) != 0) |
939 | break; |
940 | |
063ae4be |
941 | collect_stats(); |
942 | |
943 | y += Y_STEP; |
944 | if (y > y_max) |
945 | y_max = y; |
946 | clear(y_max); |
947 | |
948 | y = 0; |
949 | get_time (0, y += Y_STEP); |
950 | y += Y_STEP / 2; |
951 | get_cpu (0, y += Y_STEP); |
952 | get_sys (0, y += Y_STEP); |
953 | get_irq (0, y += Y_STEP); |
954 | get_cs (0, y += Y_STEP); |
955 | get_cpuf (0, y += Y_STEP); |
956 | get_cpuv (0, y += Y_STEP); |
957 | y += Y_STEP / 2; |
958 | s_printf(0, y += Y_STEP, "mem"); |
959 | get_memfree(0, y += Y_STEP); |
960 | get_memswap(0, y += Y_STEP); |
961 | if (stats.mem_huge) |
962 | get_memhuge(0, y += Y_STEP); |
963 | y += Y_STEP / 2; |
964 | s_printf(0, y += Y_STEP, "i/o"); |
965 | get_ioread (0, y += Y_STEP); |
966 | get_iowrite(0, y += Y_STEP); |
967 | y += Y_STEP / 2; |
968 | s_printf(0, y += Y_STEP, "net"); |
969 | get_netdown(0, y += Y_STEP); |
970 | get_netup (0, y += Y_STEP); |
971 | if (net_stats.have_wlan) |
972 | get_netsgnl(0, y += Y_STEP); |
973 | y += Y_STEP / 2; |
974 | s_printf(0, y += Y_STEP, "batt"); |
975 | get_bcap (0, y += Y_STEP); |
976 | get_btime (0, y += Y_STEP); |
977 | get_bvolts (0, y += Y_STEP); |
978 | get_bwatts (0, y += Y_STEP); |
979 | get_btemp (0, y += Y_STEP); |
980 | |
b7d8fc1a |
981 | // print user messages |
982 | y += Y_STEP; |
983 | for (i = 0; i < ARRAY_SIZE(user_msgs); i++) { |
984 | if (user_msgs[i].text[0] == 0) |
985 | break; |
986 | user_msgs[i].idle++; |
987 | if (user_msgs[i].idle > 6) { |
988 | // drop old entry, shift others up |
989 | memmove(&user_msgs[i], &user_msgs[i + 1], |
990 | (ARRAY_SIZE(user_msgs) - i - 1) * sizeof(user_msgs[0])); |
991 | user_msgs[ARRAY_SIZE(user_msgs) - 1].text[0] = 0; |
992 | // reprocess |
993 | i--; |
994 | continue; |
995 | } |
15f42220 |
996 | |
b7d8fc1a |
997 | s_printf(0, y += Y_STEP, user_msgs[i].text); |
063ae4be |
998 | } |
999 | |
b7d8fc1a |
1000 | flip_fb(fd); |
1001 | |
15f42220 |
1002 | do_sleep: |
063ae4be |
1003 | ts.tv_sec++; |
15f42220 |
1004 | pthread_cond_timedwait(&g_cond, &mutex, &ts); |
063ae4be |
1005 | } |
1006 | |
15f42220 |
1007 | remove_layer(fd); |
1008 | close(fd); |
063ae4be |
1009 | close(sock); |
1010 | |
1011 | return 0; |
1012 | } |
1013 | |
1014 | // vim:expandtab:sw=2:ts=2 |