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