Commit | Line | Data |
---|---|---|
f37162a4 SK |
1 | #! /usr/bin/awk -f |
2 | ||
e16fe0ea | 3 | |
f37162a4 SK |
4 | /^in:ENERGY/\ |
5 | { | |
6 | split_msg_parts() | |
cae87802 | 7 | sub("%$", "", $2) |
7851644f SK |
8 | db["energy_state_prev"] = db["energy_state_curr"] |
9 | db["energy_state_curr"] = $1 | |
e16fe0ea SK |
10 | db["energy_percentage"] = ensure_numeric($2) |
11 | alert_check_energy() | |
f37162a4 SK |
12 | } |
13 | ||
14 | /^in:MEMORY/\ | |
15 | { | |
16 | split_msg_parts() | |
17 | db["memory_total"] = $1 | |
18 | db["memory_used"] = $2 | |
19 | } | |
20 | ||
21 | /^in:FAN +status:/\ | |
22 | { | |
23 | split_msg_parts() | |
24 | db["fan_status"] = $2 | |
25 | } | |
26 | ||
27 | /^in:FAN +speed:/\ | |
28 | { | |
29 | split_msg_parts() | |
30 | db["fan_speed"] = $2 | |
31 | } | |
32 | ||
33 | /^in:FAN +level:/\ | |
34 | { | |
35 | split_msg_parts() | |
36 | db["fan_level"] = $2 | |
37 | } | |
38 | ||
39 | /^in:TEMPERATURE/\ | |
40 | { | |
41 | split_msg_parts() | |
42 | db["temperature"] = $1 | |
43 | } | |
44 | ||
45 | /^in:LOAD_AVG/\ | |
46 | { | |
47 | split_msg_parts() | |
48 | set_load_avg() | |
49 | } | |
50 | ||
51 | /^in:DISK_IO/\ | |
52 | { | |
53 | split_msg_parts() | |
54 | set_disk_io() | |
55 | } | |
56 | ||
57 | /^in:DISK_SPACE/\ | |
58 | { | |
59 | split_msg_parts() | |
60 | db["disk_space_used"] = msg_body | |
61 | } | |
62 | ||
63 | /^in:NET_ADDR_IO/\ | |
64 | { | |
65 | split_msg_parts() | |
66 | set_net_addr_io() | |
67 | } | |
68 | ||
69 | /^in:NET_WIFI_STATUS/\ | |
70 | { | |
71 | split_msg_parts() | |
72 | db["net_wifi_status"] = msg_body | |
73 | } | |
74 | ||
75 | /^in:BLUETOOTH_POWER/\ | |
76 | { | |
77 | split_msg_parts() | |
78 | db["bluetooth_power"] = msg_body | |
79 | } | |
80 | ||
81 | /^in:SCREEN_BRIGHTNESS/\ | |
82 | { | |
83 | split_msg_parts() | |
84 | set_screen_brightness() | |
85 | } | |
86 | ||
87 | /^in:VOLUME/\ | |
88 | { | |
89 | split_msg_parts() | |
90 | db["volume"] = msg_body | |
91 | } | |
92 | ||
93 | /^in:MPD_STATE/\ | |
94 | { | |
95 | split_msg_parts() | |
96 | db["mpd_state"] = $1 | |
97 | db["mpd_curr_song_time"] = $2 | |
98 | db["mpd_curr_song_percent"] = $3 | |
99 | } | |
100 | ||
101 | /^in:MPD_SONG/\ | |
102 | { | |
103 | split_msg_parts() | |
104 | db["mpd_curr_song_name"] = msg_body | |
105 | } | |
106 | ||
107 | /^in:WEATHER/\ | |
108 | { | |
109 | split_msg_parts() | |
110 | db["weather_temperature"] = msg_body | |
111 | } | |
112 | ||
113 | /^in:DATE_TIME/\ | |
114 | { | |
115 | split_msg_parts() | |
116 | db["datetime"] = msg_body | |
cae87802 SK |
117 | output_msg_status_bar(make_status_bar()) |
118 | } | |
119 | ||
cae87802 SK |
120 | # TODO: Generalize alert spec lang |
121 | # - trigger threshold | |
122 | # - above/bellow/equal to threshold value | |
123 | # - priority | |
124 | # - snooze time (if already alerted, when to re-alert?) | |
125 | # - text: subject/body | |
7851644f SK |
126 | function alert_check_energy( \ |
127 | from, dbg, state_curr, state_prev, remaining, subj, body\ | |
128 | ) { | |
d4c26c51 SK |
129 | from = "alert_check_energy" |
130 | ||
7851644f SK |
131 | state_curr = db["energy_state_curr"] |
132 | state_prev = db["energy_state_prev"] | |
133 | remaining = db["energy_percentage"] | |
e16fe0ea | 134 | |
7851644f | 135 | dbg["state_curr"] = state_curr |
e16fe0ea | 136 | dbg["remaining"] = remaining |
d4c26c51 | 137 | debug(from, dbg) |
e16fe0ea | 138 | |
7851644f SK |
139 | if (state_curr == "discharging") { |
140 | if (state_prev == "charging") { | |
141 | alert_trigger_low(from, "Unplugged", "") | |
142 | } | |
143 | ||
cae87802 SK |
144 | if (remaining < 5) { |
145 | subj = "Energy_CRITICALLY_Low" | |
146 | body = sprintf("%d%% CHARGE NOW!!! GO GO GO!!!", remaining) | |
d4c26c51 | 147 | alert_trigger_hi(from, subj, body) |
cae87802 SK |
148 | } else if (remaining < 10) { |
149 | subj = "Energy_Very_Low" | |
150 | body = sprintf("%d%% Plug it in ASAP.", remaining) | |
d4c26c51 | 151 | alert_trigger_hi(from, subj, body) |
cae87802 SK |
152 | } else if (remaining < 15) { |
153 | subj = "Energy_Low" | |
154 | body = sprintf("%d%% Get the charger.", remaining) | |
d4c26c51 | 155 | alert_trigger_hi(from, subj, body) |
361523eb SK |
156 | } else if (remaining < 20) { |
157 | subj = "Energy_Low" | |
158 | body = sprintf("%d%% Get the charger.", remaining) | |
159 | alert_trigger_med(from, subj, body) | |
cae87802 SK |
160 | } else if (remaining < 50) { |
161 | if (!state__alerts__energy__notified_bellow_half) { | |
162 | state__alerts__energy__notified_bellow_half = 1 | |
163 | subj = "Energy_Bellow_Half" | |
164 | body = sprintf("%d%% Where is the charger?", remaining) | |
d4c26c51 | 165 | alert_trigger_med(from, subj, body) |
cae87802 SK |
166 | } |
167 | } | |
168 | } else { | |
169 | # TODO: Reconsider the competing global-state organizing-conventions | |
170 | state__alerts__energy__notified_bellow_half = 0 | |
171 | } | |
172 | } | |
173 | ||
d4c26c51 SK |
174 | function alert_trigger_low(from, subject, body) { |
175 | alert_trigger("low", from, subject, body) | |
cae87802 SK |
176 | } |
177 | ||
d4c26c51 SK |
178 | function alert_trigger_med(from, subject, body) { |
179 | alert_trigger("med", from, subject, body) | |
cae87802 SK |
180 | } |
181 | ||
d4c26c51 SK |
182 | function alert_trigger_hi(from, subject, body) { |
183 | alert_trigger("hi", from, subject, body) | |
cae87802 SK |
184 | } |
185 | ||
d4c26c51 | 186 | function alert_trigger(priority, from, subject, body, msg) { |
cae87802 SK |
187 | # priority : "low" | "med" | "hi" |
188 | # subject : no spaces | |
189 | # body : anything | |
d4c26c51 | 190 | msg = sprintf("khatus_%s %s %s %s", from, priority, subject, body) |
cae87802 SK |
191 | output_msg_alert(msg) |
192 | } | |
193 | ||
194 | function output_msg_alert(msg) { | |
195 | # TODO: Should alerts go into a dedicated channel? | |
196 | output_msg("ALERT", msg, "/dev/stdout") | |
197 | } | |
198 | ||
199 | function output_msg_status_bar(msg) { | |
200 | output_msg("STATUS_BAR", msg, "/dev/stdout") | |
201 | } | |
202 | ||
203 | function output_msg(type, content, channel) { | |
204 | print(type, content) > channel | |
f37162a4 SK |
205 | } |
206 | ||
207 | function set_load_avg( sched) { | |
208 | split($4, sched, "/") | |
209 | db["load_avg_1min"] = $1 | |
210 | db["load_avg_5min"] = $2 | |
211 | db["load_avg_15min"] = $3 | |
212 | db["kern_sched_queue_runnable"] = sched[1] | |
213 | db["kern_sched_queue_total"] = sched[2] | |
214 | db["kern_sched_latest_pid"] = $5 | |
215 | } | |
216 | ||
217 | function set_disk_io( curr_w, curr_r, prev_w, prev_r) { | |
218 | curr_w = $1 | |
219 | curr_r = $2 | |
220 | prev_w = db["disk_io_curr_w"] | |
221 | prev_r = db["disk_io_curr_r"] | |
222 | db["disk_io_curr_w"] = curr_w | |
223 | db["disk_io_curr_r"] = curr_r | |
224 | db["disk_io_diff_w"] = curr_w - prev_w | |
225 | db["disk_io_diff_r"] = curr_r - prev_r | |
226 | } | |
227 | ||
228 | function set_net_addr_io( \ | |
229 | interface, address, io_curr_w, io_curr_r, io_prev_w, io_prev_r\ | |
230 | ) { | |
231 | interface = $1 | |
232 | address = $2 | |
233 | io_curr_w = $3 | |
234 | io_curr_r = $4 | |
235 | if (interface) { | |
236 | if (address && io_curr_w && io_curr_r) { | |
237 | # recalculate | |
238 | io_prev_w = net_io_curr_w[interface] | |
239 | io_prev_r = net_io_curr_r[interface] | |
240 | ||
241 | net_addr[interface] = address | |
242 | net_io_curr_w[interface] = io_curr_w | |
243 | net_io_curr_r[interface] = io_curr_r | |
244 | net_io_diff_w[interface] = io_curr_w - io_prev_w | |
245 | net_io_diff_r[interface] = io_curr_r - io_prev_r | |
246 | } else { | |
247 | # clear | |
248 | net_addr[interface] = "" | |
249 | net_io_curr_w[interface] = 0 | |
250 | net_io_curr_r[interface] = 0 | |
251 | net_io_diff_w[interface] = 0 | |
252 | net_io_diff_r[interface] = 0 | |
253 | } | |
254 | } | |
255 | } | |
256 | ||
257 | function set_screen_brightness( max, cur) { | |
258 | max = $1 | |
259 | cur = $2 | |
260 | db["screen_brightness"] = (cur / max) * 100 | |
261 | } | |
262 | ||
e16fe0ea | 263 | function split_msg_parts( dbg) { |
f37162a4 SK |
264 | msg_head = $1 |
265 | sub("^" msg_head " +", "") | |
266 | msg_body = $0 | |
e16fe0ea SK |
267 | dbg["msg_head"] = msg_head |
268 | dbg["msg_body"] = msg_body | |
269 | debug("split_msg_parts", dbg) | |
f37162a4 SK |
270 | } |
271 | ||
cae87802 | 272 | function make_status_bar( position, bar, sep, i, j) { |
f37162a4 SK |
273 | position[++i] = make_status_energy() |
274 | position[++i] = make_status_mem() | |
275 | position[++i] = make_status_cpu() | |
276 | position[++i] = make_status_disk() | |
277 | position[++i] = make_status_net() | |
278 | position[++i] = sprintf("B=%s", db["bluetooth_power"]) | |
279 | position[++i] = sprintf("*%d%%", db["screen_brightness"]) | |
280 | position[++i] = sprintf("(%s)", db["volume"]) | |
281 | position[++i] = make_status_mpd() | |
282 | position[++i] = db["weather_temperature"] | |
283 | position[++i] = db["datetime"] | |
284 | bar = "" | |
285 | sep = "" | |
286 | for (j = 1; j <= i; j++) { | |
287 | bar = bar sep position[j] | |
288 | sep = " " | |
289 | } | |
290 | return bar | |
291 | } | |
292 | ||
293 | function make_status_energy( state, direction_of_change) { | |
7851644f | 294 | state = db["energy_state_curr"] |
f37162a4 SK |
295 | if (state == "discharging") { |
296 | direction_of_change = "<" | |
297 | } else if (state == "charging") { | |
298 | direction_of_change = ">" | |
299 | } else { | |
300 | direction_of_change = "=" | |
301 | }; | |
e16fe0ea | 302 | return sprintf("E%s%d%%", direction_of_change, db["energy_percentage"]) |
f37162a4 SK |
303 | } |
304 | ||
305 | function make_status_mem( total, used, percent, status) { | |
306 | total = db["memory_total"] | |
307 | used = db["memory_used"] | |
308 | # To avoid division by zero when data is missing | |
309 | if (total && used) { | |
310 | percent = round((used / total) * 100) | |
311 | status = sprintf("%d%%", percent) | |
312 | } else { | |
313 | status = "__" | |
314 | } | |
315 | return sprintf("M=%s", status) | |
316 | } | |
317 | ||
318 | function make_status_cpu( load, temp, fan) { | |
319 | load = db["load_avg_1min"] | |
320 | temp = db["temperature"] / 1000 | |
321 | fan = db["fan_speed"] | |
322 | return sprintf("C=[%4.2f %d°C %4drpm]", load, temp, fan) | |
323 | } | |
324 | ||
325 | function make_status_disk( bytes_per_sector, bytes_per_mb, w, r) { | |
326 | bytes_per_sector = 512 | |
327 | bytes_per_mb = 1024 * 1024 | |
328 | w = (db["disk_io_diff_w"] * bytes_per_sector) / bytes_per_mb | |
329 | r = (db["disk_io_diff_r"] * bytes_per_sector) / bytes_per_mb | |
330 | return \ | |
331 | sprintf("D=[%s %0.3f▲ %0.3f▼]", db["disk_space_used"], w, r) | |
332 | } | |
333 | ||
334 | function make_status_net( \ | |
335 | out, | |
336 | number_of_interfaces_to_show, | |
337 | n, | |
338 | array_of_prefixes_of_interfaces_to_show, | |
339 | prefix, | |
340 | interface, | |
341 | label, | |
342 | count_printed, | |
343 | sep, | |
344 | io_stat, | |
345 | dw, dr, | |
346 | bytes_per_unit\ | |
347 | ) { | |
348 | out = "" | |
349 | number_of_interfaces_to_show = \ | |
350 | split(\ | |
351 | opt_prefixes_of_net_interfaces_to_show,\ | |
352 | array_of_prefixes_of_interfaces_to_show,\ | |
353 | ","\ | |
354 | ) | |
355 | for (n = 1; n <= number_of_interfaces_to_show; n++) { | |
356 | prefix = array_of_prefixes_of_interfaces_to_show[n] | |
357 | for (interface in net_addr) { | |
358 | if (interface ~ ("^" prefix)) { | |
359 | label = substr(interface, 1, 1) | |
360 | if (net_addr[interface]) { | |
361 | bytes_per_mb = 1024 * 1024 # TODO: option | |
362 | dw = net_io_diff_w[interface] / bytes_per_mb | |
363 | dr = net_io_diff_r[interface] / bytes_per_mb | |
364 | io_stat = sprintf("%0.3f▲ %0.3f▼", dw, dr) | |
365 | } else { | |
366 | io_stat = "--" | |
367 | } | |
368 | if (interface ~ "^w") { | |
369 | label = label ":" db["net_wifi_status"] | |
370 | } | |
371 | if (++count_printed > 1) { | |
372 | sep = " " | |
373 | } else { | |
374 | sep = "" | |
375 | } | |
376 | out = out sep label ":" io_stat | |
377 | } | |
378 | } | |
379 | } | |
380 | return sprintf("N[%s]", out) | |
381 | } | |
382 | ||
383 | function make_status_mpd( state, status) { | |
384 | state = db["mpd_state"] | |
385 | ||
386 | if (state == "play") { | |
387 | status = make_status_mpd_state_known("▶") | |
388 | } else if (state == "pause") { | |
389 | status = make_status_mpd_state_known("❚❚") | |
390 | } else if (state == "stop") { | |
391 | status = make_status_mpd_state_known("⬛") | |
392 | } else { | |
393 | status = make_status_mpd_state_unknown("--") | |
394 | } | |
395 | ||
396 | return sprintf("[%s]", status) | |
397 | } | |
398 | ||
399 | function make_status_mpd_state_known(symbol) { | |
400 | return sprintf(\ | |
401 | "%s %s %s %s", | |
402 | symbol, | |
403 | db["mpd_curr_song_time"], | |
404 | db["mpd_curr_song_percent"], | |
405 | substr(db["mpd_curr_song_name"], 1, opt_mpd_song_max_chars)\ | |
406 | ) | |
407 | } | |
408 | ||
409 | function make_status_mpd_state_unknown(symbol) { | |
410 | return sprintf("%s", symbol) | |
411 | } | |
412 | ||
413 | function round(n) { | |
414 | return int(n + 0.5) | |
415 | } | |
416 | ||
e16fe0ea | 417 | function debug(location, values, sep, vals, key, msg) { |
f37162a4 | 418 | if (opt_debug) { |
e16fe0ea SK |
419 | sep = "" |
420 | vals = "" | |
421 | for (key in values) { | |
422 | vals = sprintf("%s%s%s: %s", vals, sep, key, values[key]) | |
423 | sep = ", " | |
424 | } | |
425 | msg = location " ==> " vals "." | |
426 | output_msg("DEBUG", msg, "/dev/stderr") | |
f37162a4 SK |
427 | } |
428 | } | |
e16fe0ea SK |
429 | |
430 | function ensure_numeric(n) { | |
431 | return n + 0 | |
432 | } | |
433 | #------------------------------- | |
434 | # Why do we need ensure_numeric? | |
435 | #------------------------------- | |
436 | # awk appears to be guessing the type of an inputted scalar based on usage, so | |
437 | # if we read-in a number, but did not use it in any numeric operations, but did | |
438 | # use as a string (even in just a format string!) - it will be treated as a | |
439 | # string and can lead to REALLY SURPRISING behavior in conditional statements, | |
440 | # where smaller number may compare as greater than the bigger ones, such as. | |
441 | # | |
442 | # Demo: | |
443 | # | |
444 | # $ awk 'BEGIN {x = "75"; y = "100"; sprintf("x: %d, y: %d\n", x, y); if (x > y) {print "75 > 100"} else if (x < y) {print "75 < 100"}}' | |
445 | # 75 < 100 | |
446 | # $ awk 'BEGIN {x = "75"; y = "100"; sprintf("x: %s, y: %d\n", x, y); if (x > y) {print "75 > 100"} else if (x < y) {print "75 < 100"}}' | |
447 | # 75 > 100 | |
448 | ||
449 | # However, once used as a number, seems to stay that way even after being | |
450 | # used as string: | |
451 | # | |
452 | # $ awk 'BEGIN {x = "75"; y = "100"; x + y; sprintf("x: %s, y: %d\n", x, y); if (x > y) {print "75 > 100"} else if (x < y) {print "75 < 100"}}' | |
453 | # 75 < 100 | |
454 | # | |
455 | # $ awk 'BEGIN {x = "75"; y = "100"; x + y; sprintf("x: %s, y: %d\n", x, y); z = x y; if (x > y) {print "75 > 100"} else if (x < y) {print "75 < 100"}}' | |
456 | # 75 < 100 | |
457 | # | |
458 | # $ awk 'BEGIN {x = "75"; y = "100"; x + y; z = x y; if (x > y) {print "75 > 100"} else if (x < y) {print "75 < 100"}}' | |
459 | # 75 < 100 | |
460 | # $ awk 'BEGIN {x = "75"; y = "100"; z = x y; if (x > y) {print "75 > 100"} else if (x < y) {print "75 < 100"}}' | |
461 | # 75 > 100 |