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1 | !7 |
2 | |
3 | static S ip = "tinybrain.de" /*"127.0.0.1"*/; |
4 | static int count = 1; |
5 | static boolean result; |
6 | |
7 | p { |
8 | // Java has trouble executing pings, so we use the native command. |
9 | |
10 | S cmd = "ping " + (isWindows() ? "-n" : "-c") + " " + count + " " + ip; |
11 | S output = backtick(cmd); |
12 | print(output); |
13 | |
14 | new Matches m; |
15 | if (isWindows()) { |
16 | if (jfind3("reply from *.*.*.*: bytes=* time=* ms ttl=*", output.toLowerCase(), m)) { |
17 | S ip = m.unq(0) + "." + m.unq(1) + "." + m.unq(2) + "." + m.unq(3); |
18 | S ttl = m.unq(6), time = m.unq(5); |
19 | print("Reachable. IP " + ip + " TTL " + ttl + " TIME " + time); |
20 | } else |
21 | print("Not reachable."); |
22 | } else { |
23 | if (jfind3("(*.*.*.*): *=* ttl=* time=*", output.toLowerCase(), m)) { |
24 | S ip = m.unq(0) + "." + m.unq(1) + "." + m.unq(2) + "." + m.unq(3); |
25 | S ttl = m.unq(6), time = m.unq(7); |
26 | print("Reachable. IP " + ip + " TTL " + ttl + " TIME " + time); |
27 | } else |
28 | print("Not reachable."); |
29 | } |
30 | } |
31 | |
32 | static boolean jfind3(S pat, S s, Matches matches) { |
33 | if (s == null) return false; |
34 | ret jfind3(pat, javaTok(s), matches); |
35 | } |
36 | |
37 | static boolean jfind3(S pat, L<S> toks, Matches matches) { |
38 | L<S> tokpat = javaTok(pat); |
39 | S[] m = jfind2(tokpat, toks); |
40 | //print(structure(tokpat) + " on " + structure(toks) + " => " + structure(m)); |
41 | if (m == null) |
42 | ret false; |
43 | else { |
44 | if (matches != null) matches.m = m; |
45 | ret true; |
46 | } |
47 | } |
48 | |
49 | static S[] jfind2(L<S> pat, L<S> tok) { |
50 | for (int idx = 0; idx < tok.size(); idx += 2) { |
51 | S[] result = jfind2(pat, tok, idx); |
52 | if (result != null) return result; |
53 | } |
54 | return null; |
55 | } |
56 | |
57 | static S[] jfind2(L<S> pat, L<S> tok, int idx) { |
58 | if (idx+pat.size() > tok.size()) |
59 | return null; |
60 | new L<S> result; |
61 | for (int i = 1; i < pat.size(); i += 2) { |
62 | S p = pat.get(i), t = tok.get(idx+i); |
63 | if (eq(p, "*")) |
64 | result.add(t); |
65 | else if (!eq(p, t)) |
66 | return null; |
67 | } |
68 | return toStringArray(result); |
69 | } |
Began life as a copy of #1001197
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Snippet ID: | #1002698 |
Snippet name: | Native Ping with getting IP and time (tested on Linux and Windows) |
Eternal ID of this version: | #1002698/4 |
Text MD5: | 7f21162f8f38e21d30b5b0c98d7a3c2c |
Transpilation MD5: | 23ee9410a1b5c9e6bfd24239270c27d3 |
Author: | stefan |
Category: | javax networking |
Type: | JavaX source code (desktop) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2019-10-18 13:02:22 |
Source code size: | 1985 bytes / 69 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 791 / 1321 |
Version history: | 3 change(s) |
Referenced in: | [show references] |