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1 | !752 |
2 | |
3 | !include #1004681 // Concepts |
4 | |
5 | sconcept Sensor {
|
6 | long updatedWhen; |
7 | PersistableThrowable error; |
8 | transient volatile bool updating; |
9 | |
10 | void actionImpl() {} // override this in subclasses
|
11 | |
12 | void action() {
|
13 | updatedWhen = now(); |
14 | updating = true; |
15 | Throwable theError = null; |
16 | try {
|
17 | actionImpl(); |
18 | } catch e {
|
19 | theError = e; |
20 | } finally {
|
21 | error = persistableThrowable(theError); |
22 | updating = false; |
23 | } |
24 | } |
25 | |
26 | bool ok() { ret error == null; }
|
27 | |
28 | void dependOn(Sensor s) {
|
29 | updater.depend(this, s); |
30 | } |
31 | |
32 | void update() {
|
33 | updater.update(this); |
34 | } |
35 | } |
36 | |
37 | sconcept BooleanSensor extends Sensor {
|
38 | bool booleanValue; |
39 | } |
40 | |
41 | sclass Updater {
|
42 | new HashSet<Sensor> updated; |
43 | |
44 | void depend(Sensor a, Sensor b) {
|
45 | update(b); |
46 | } |
47 | |
48 | void update(Sensor s) {
|
49 | if (!updated.contains(s)) {
|
50 | s.action(); |
51 | updated.add(s); |
52 | } |
53 | } |
54 | |
55 | void reset() {
|
56 | updated.clear(); |
57 | } |
58 | } |
59 | |
60 | static new Updater updater; |
61 | |
62 | sconcept RawPSCmd extends Sensor {
|
63 | S output; |
64 | O notRunBecause; |
65 | |
66 | void actionImpl() {
|
67 | if (isLinux()) |
68 | output = backtick("ps -aef");
|
69 | else |
70 | notRunBecause = "Not on Linux"; |
71 | } |
72 | } |
73 | |
74 | // boolean value is true when there is at least 1 chrome process |
75 | sconcept PSChrome extends BooleanSensor {
|
76 | int chromeProcesses; |
77 | |
78 | void actionImpl() {
|
79 | RawPSCmd ps = unary(RawPSCmd.class); |
80 | dependOn(ps); |
81 | if (!ps.ok()) supplierFailure(); |
82 | L<S> cmds = psGetCommands(ps.output); |
83 | chromeProcesses = l(indexesOfLinesStartingWith(cmds, "/opt/google/chrome/")); |
84 | booleanValue = chromeProcesses > 0; |
85 | } |
86 | } |
87 | |
88 | p {
|
89 | typeWriterConsole(); |
90 | int last = -1; |
91 | while licensed {
|
92 | updater.reset(); |
93 | pcall {
|
94 | PSChrome chrome = unary(PSChrome.class); |
95 | chrome.update(); |
96 | if (!chrome.ok()) |
97 | print("Chrome Detection Error: " + chrome.error);
|
98 | else if (last != chrome.chromeProcesses) {
|
99 | last = chrome.chromeProcesses; |
100 | print("Chrome Processes: " + last);
|
101 | setConsoleTitle(n(last, "Chrome Process")); |
102 | } |
103 | } |
104 | sleepSeconds(1); |
105 | } |
106 | } |
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| Snippet ID: | #1004976 |
| Snippet name: | Sense Chrome Processes ^^ |
| Eternal ID of this version: | #1004976/1 |
| Text MD5: | 15d1dc3dd5fb41018bbad9313da83b5e |
| Transpilation MD5: | 6e46b61caee89fac0bd8a3fea98b1e7d |
| Author: | stefan |
| Category: | javax / a.i. |
| Type: | JavaX source code |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2016-09-20 23:04:17 |
| Source code size: | 2171 bytes / 106 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 570 / 665 |
| Referenced in: | [show references] |