5 # - global, builtin : ALLCAPS
6 # - global, public : CamelCase
7 # - global, private : _snake_case_prefixed_underscore
10 # - global, public : snake_case
13 FS = msg_fs ? msg_fs
: "|"
14 OFS = msg_fs ? msg_fs
: "|"
15 Kfs = key_fs ? key_fs
: ":"
17 _total_to_diff
["khatus_sensor_net_addr_io", "bytes_read" ] =
1
18 _total_to_diff
["khatus_sensor_net_addr_io", "bytes_written" ] =
1
19 _total_to_diff
["khatus_sensor_disk_io" , "sectors_read" ] =
1
20 _total_to_diff
["khatus_sensor_disk_io" , "sectors_written"] =
1
24 # (x * bytes_per_sector) / bytes_per_mb = x * scaling_factor
25 # ==> scaling_factor = bytes_per_sector / bytes_per_mb
26 _bytes_per_sector =
512
27 _bytes_per_mb =
1024 * 1024
28 _scale
["khatus_sensor_disk_io", "sectors_written"] = _bytes_per_sector
/ _bytes_per_mb
29 _scale
["khatus_sensor_disk_io", "sectors_read" ] = _bytes_per_sector
/ _bytes_per_mb
32 # x / bytes_per_mb = x * scaling_factor
33 # ==> scaling_factor = 1 / bytes_per_mb
34 _scale
["khatus_sensor_net_addr_io", "bytes_written"] =
1 / _bytes_per_mb
35 _scale
["khatus_sensor_net_addr_io", "bytes_read" ] =
1 / _bytes_per_mb
38 # -----------------------------------------------------------------------------
40 # -----------------------------------------------------------------------------
46 $
2 ==
"khatus_sensor_datetime" {
47 print_msg_ok
("status_bar", make_status_bar
())
50 # -----------------------------------------------------------------------------
52 # -----------------------------------------------------------------------------
54 function cache_update
( src
, key
, val
, len_line
, len_head
, len_val
, time
) {
57 # Not just using $4 for val - because an unstructured value (like name of a
58 # song) might contain a character identical to FS
60 len_head =
length($
1 FS $
2 FS $
3 FS)
61 len_val = len_line
- len_head
62 val =
substr($
0, len_head
+ 1, len_val
)
63 val = cache_maybe_total_to_diff
(src
, key
, val
)
64 val = cache_maybe_scale
(src
, key
, val
)
65 _cache
[src
, key
] = val
66 time = cache_get_time
()
67 _cache_mtime
[src
, key
] = time
68 if (time %
3600 ==
0) {
73 function cache_get
(result
, src
, key
, ttl
, time
, age
, is_expired
) {
74 time = cache_get_time
()
75 _cache_atime
[src
, key
] = time
76 age = time
- _cache_mtime
[src
, key
]
77 result
["is_expired"] = ttl
&& age
> ttl
# ttl = 0 => forever
78 result
["value"] = _cache
[src
, key
]
81 function cache_res_fmt_or_def
(result
, format
, default
) {
82 return result
["is_expired"] ? default
: sprintf(format
, result
["value"])
85 function cache_get_fmt_def
(src
, key
, ttl
, format
, default
, result
) {
86 default = default ? default
: "--"
87 cache_get
(result
, src
, key
, ttl
)
88 return cache_res_fmt_or_def
(result
, format
, default
)
91 function cache_get_time
( src
, key
, time
) {
92 src =
"khatus_sensor_datetime"
94 time = _cache
[src
, key
]
95 _cache_atime
[src
, key
] = time
99 function cache_gc
( src_and_key
, unused_for
) {
100 for (src_and_key in _cache
) {
101 unused_for = cache_get_time
() - _cache_atime
[src_and_key
]
102 if (unused_for
> 3600) {
104 "cache_gc", "Deleting unused src_and_key: " src_and_key \
106 delete _cache
[src_and_key
]
111 function cache_maybe_total_to_diff
(src
, key
, val
, key_parts
) {
112 split(key
, key_parts
, Kfs
)
113 if (_total_to_diff
[src
, key_parts
[1]]) {
114 _prev
[src
, key
] = _curr
[src
, key
]
115 _curr
[src
, key
] = val
116 return (_curr
[src
, key
] - _prev
[src
, key
])
122 function cache_maybe_scale
(src
, key
, val
, key_parts
) {
123 split(key
, key_parts
, Kfs
)
124 if ((src SUBSEP key_parts
[1]) in _scale
) {
125 return val
* _scale
[src
, key_parts
[1]]
131 # -----------------------------------------------------------------------------
133 # -----------------------------------------------------------------------------
135 function make_status_bar
( position
, bar
, sep
, i
, j
) {
137 position
[++i
] = make_status_energy
()
138 position
[++i
] = make_status_mem
()
139 position
[++i
] = make_status_cpu
()
140 position
[++i
] = make_status_disk
()
141 position
[++i
] = make_status_net
()
142 position
[++i
] = make_status_bluetooth
()
143 position
[++i
] = make_status_screen_brightness
()
144 position
[++i
] = make_status_volume
()
145 position
[++i
] = make_status_mpd
()
146 position
[++i
] = make_status_weather
()
147 position
[++i
] = make_status_datetime
()
151 for (j =
1; j
<= i
; j
++) {
152 bar = bar sep position
[j
]
158 function make_status_energy
( state
, charge
, direction_of_change
) {
159 cache_get
(state
, "khatus_sensor_energy", "battery_state" , 0)
160 cache_get
(charge
, "khatus_sensor_energy", "battery_percentage", 0)
162 if (state
["value"] ==
"discharging") {
163 direction_of_change =
"<"
164 } else if (state
["value"] ==
"charging") {
165 direction_of_change =
">"
167 direction_of_change =
"="
170 return sprintf("E%s%d%%", direction_of_change
, charge
["value"])
173 function make_status_mem
( total
, used
, percent
, status
) {
174 cache_get
(total
, "khatus_sensor_memory", "total", 5)
175 cache_get
(used
, "khatus_sensor_memory", "used" , 5)
176 # Checking total["value"] to avoid division by zero when data is missing
177 if (!total
["is_expired"] && \
178 !used
["is_expired"] && \
181 percent = round
((used
["value"] / total
["value"]) * 100)
182 status =
sprintf("%d%%", percent
)
186 return sprintf("M=%s", status
)
189 function make_status_cpu
( l
, t
, f
) {
190 l = cache_get_fmt_def
("khatus_sensor_loadavg" , "load_avg_1min", 5, "%4.2f")
191 t = cache_get_fmt_def
("khatus_sensor_temperature", "temp_c" , 5, "%d" )
192 f = cache_get_fmt_def
("khatus_sensor_fan" , "speed" , 5, "%4d" )
193 return sprintf("C=[%s %s°C %srpm]", l
, t
, f
)
196 function make_status_disk
( u
, w
, r
) {
197 u = cache_get_fmt_def
("khatus_sensor_disk_space", "disk_usage_percentage", 10, "%s")
198 w = cache_get_fmt_def
("khatus_sensor_disk_io" , "sectors_written" , 5, "%0.3f")
199 r = cache_get_fmt_def
("khatus_sensor_disk_io" , "sectors_read" , 5, "%0.3f")
200 return sprintf("D=[%s%% %s▲ %s▼]", u
, w
, r
)
203 function make_status_net
( \
204 number_of_net_interfaces_to_show
, \
205 net_interfaces_to_show
, \
219 number_of_net_interfaces_to_show = \
220 split(opt_net_interfaces_to_show
, net_interfaces_to_show
, ",")
221 sensor_io =
"khatus_sensor_net_addr_io"
222 sensor_wi =
"khatus_sensor_net_wifi_status"
225 for (i = number_of_net_interfaces_to_show
; i
> 0; i
--) {
226 interface = net_interfaces_to_show
[i
]
227 label =
substr(interface
, 1, 1)
228 if (interface ~
"^w") {
229 wifi = cache_get_fmt_def
(sensor_wi
, "status" Kfs interface
, 10, "%s")
230 label = label
":" wifi
232 addr = cache_get_fmt_def
(sensor_io
, "addr" Kfs interface
, 5, "%s", "")
233 w = cache_get_fmt_def
(sensor_io
, "bytes_written" Kfs interface
, 5, "%0.3f")
234 r = cache_get_fmt_def
(sensor_io
, "bytes_read" Kfs interface
, 5, "%0.3f")
235 io_stat = addr ?
sprintf("%s▲ %s▼", w
, r
) : "--"
236 out = out sep label
":" io_stat
239 return sprintf("N[%s]", out
)
242 function make_status_bluetooth
( src
, key
) {
243 src =
"khatus_sensor_bluetooth_power"
245 return sprintf("B=%s", cache_get_fmt_def
(src
, key
, 10, "%s"))
248 function make_status_screen_brightness
( src
, key
) {
249 src =
"khatus_sensor_screen_brightness"
251 return sprintf("*%s%%", cache_get_fmt_def
(src
, key
, 5, "%d"))
254 function make_status_volume
( sink
, mute
, vol_l
, vol_r
, show
) {
255 sink = opt_pulseaudio_sink
256 cache_get
(mute
, "khatus_sensor_volume", "mute" Kfs sink
, 5)
257 cache_get
(vol_l
, "khatus_sensor_volume", "vol_left" Kfs sink
, 5)
258 cache_get
(vol_r
, "khatus_sensor_volume", "vol_right" Kfs sink
, 5)
260 if (!mute
["is_expired"] && !vol_l
["is_expired"] && !vol_r
["is_expired"]) {
261 if (mute
["value"] ==
"yes") {show =
"X"}
262 else if (mute
["value"] ==
"no") {show = vol_l
["value"] " " vol_r
["value"]}
265 "make_status_volume", \
266 "Unexpected value for 'mute' field: " mute
["value"] \
273 return sprintf("(%s)", show
)
276 function make_status_mpd
( state
, status
) {
277 cache_get
(state
, "khatus_sensor_mpd", "state", 5)
278 if (!state
["is_expired"] && state
["value"]) {
279 if (state
["value"] ==
"play") {
280 status = make_status_mpd_state_known
("▶")
281 } else if (state
["value"] ==
"pause") {
282 status = make_status_mpd_state_known
("❚❚")
283 } else if (state
["value"] ==
"stop") {
284 status = make_status_mpd_state_known
("⬛")
288 "Unexpected value for 'state' field: " state
["value"] \
296 return sprintf("[%s]", status
)
299 function make_status_mpd_state_known
(symbol
, s
, song
, time
, percentage
) {
300 s =
"khatus_sensor_mpd"
301 song = cache_get_fmt_def
(s
, "song" , 5, "%s", "?")
302 time = cache_get_fmt_def
(s
, "play_time_minimal_units", 5, "%s", "?")
303 percent = cache_get_fmt_def
(s
, "play_time_percentage" , 5, "%s", "?")
304 song =
substr(song
, 1, opt_mpd_song_max_chars
)
305 return sprintf("%s %s %s %s", symbol
, time
, percent
, song
)
308 function make_status_weather
( hour
, t_f
) {
310 t_f = cache_get_fmt_def
("khatus_sensor_weather", "temperature_f", 3 * hour
, "%d")
311 return sprintf("%s°F", t_f
)
314 function make_status_datetime
( dt
) {
315 return cache_get_fmt_def
("khatus_sensor_datetime", "datetime", 5, "%s")
318 # -----------------------------------------------------------------------------
320 # -----------------------------------------------------------------------------
322 function print_msg_ok
(key
, val
) {
323 print_msg
("OK", key
, val
, "/dev/stdout")
326 function print_msg_error
(location
, msg
) {
327 print_msg
("ERROR", location
, msg
, "/dev/stderr")
330 function print_msg
(status
, key
, val
, channel
) {
331 print(status
, "khatus_bar", key
, val
) > channel
334 # -----------------------------------------------------------------------------
336 # -----------------------------------------------------------------------------