Commit 61df32686d88f93fa0e5d348e13cf573e2a1665d
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Adiciona timeout forçado na coleta de impressoras
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98 additions
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Controller/PrinterController.php
... | ... | @@ -612,13 +612,13 @@ class PrinterController extends Controller |
612 | 612 | { |
613 | 613 | $n_printers = $this->em->createQuery('SELECT count(p) FROM CocarBundle:Printer p')->getSingleScalarResult(); |
614 | 614 | |
615 | - $limit = 500; | |
615 | + $limit = 20; | |
616 | 616 | $iterations = (int)($n_printers / $limit); |
617 | 617 | $iterations = $iterations + 1; |
618 | 618 | |
619 | 619 | $i = 0; |
620 | 620 | while ($i < $iterations) { |
621 | - // O objetivo é executar a coleta a cada 1000 impressoras | |
621 | + // O objetivo é executar a coleta a cada $limit impressoras | |
622 | 622 | $offset = $limit * $i; |
623 | 623 | $this->selectPrinters($limit, $offset); |
624 | 624 | $i = $i + 1; |
... | ... | @@ -653,9 +653,12 @@ class PrinterController extends Controller |
653 | 653 | $community = $printer->getCommunitySnmpPrinter(); |
654 | 654 | $host = $printer->getHost(); |
655 | 655 | |
656 | - $this->get('logger')->info("Coletando impressora $host | ID ".$printer->getId()); | |
656 | + $this->get('logger')->info("Coletando impressora $host | ID ".$printer->getId()); | |
657 | + $arrBundle = $this->get('kernel')->getBundles(); | |
658 | + $rootDir = $arrBundle['CocarBundle']->getPath(); | |
659 | + $script = $rootDir . "/Resources/scripts/timeout3"; | |
657 | 660 | |
658 | - $com = "snmpwalk -O qv -v 1 -c $community $host 1.3.6.1.2.1.43.10.2.1.4.1.1"; | |
661 | + $com = "$script snmpwalk -O qv -v 1 -c $community $host 1.3.6.1.2.1.43.10.2.1.4.1.1"; | |
659 | 662 | |
660 | 663 | if($outPut = shell_exec($com)) |
661 | 664 | { | ... | ... |
... | ... | @@ -0,0 +1,91 @@ |
1 | +#!/bin/bash | |
2 | +# | |
3 | +# The Bash shell script executes a command with a time-out. | |
4 | +# Upon time-out expiration SIGTERM (15) is sent to the process. If the signal | |
5 | +# is blocked, then the subsequent SIGKILL (9) terminates it. | |
6 | +# | |
7 | +# Based on the Bash documentation example. | |
8 | + | |
9 | +# Hello Chet, | |
10 | +# please find attached a "little easier" :-) to comprehend | |
11 | +# time-out example. If you find it suitable, feel free to include | |
12 | +# anywhere: the very same logic as in the original examples/scripts, a | |
13 | +# little more transparent implementation to my taste. | |
14 | +# | |
15 | +# Dmitry V Golovashkin <Dmitry.Golovashkin@sas.com> | |
16 | + | |
17 | +scriptName="${0##*/}" | |
18 | + | |
19 | +declare -i DEFAULT_TIMEOUT=9 | |
20 | +declare -i DEFAULT_INTERVAL=1 | |
21 | +declare -i DEFAULT_DELAY=1 | |
22 | + | |
23 | +# Timeout. | |
24 | +declare -i timeout=DEFAULT_TIMEOUT | |
25 | +# Interval between checks if the process is still alive. | |
26 | +declare -i interval=DEFAULT_INTERVAL | |
27 | +# Delay between posting the SIGTERM signal and destroying the process by SIGKILL. | |
28 | +declare -i delay=DEFAULT_DELAY | |
29 | + | |
30 | +function printUsage() { | |
31 | + cat <<EOF | |
32 | + | |
33 | +Synopsis | |
34 | + $scriptName [-t timeout] [-i interval] [-d delay] command | |
35 | + Execute a command with a time-out. | |
36 | + Upon time-out expiration SIGTERM (15) is sent to the process. If SIGTERM | |
37 | + signal is blocked, then the subsequent SIGKILL (9) terminates it. | |
38 | + | |
39 | + -t timeout | |
40 | + Number of seconds to wait for command completion. | |
41 | + Default value: $DEFAULT_TIMEOUT seconds. | |
42 | + | |
43 | + -i interval | |
44 | + Interval between checks if the process is still alive. | |
45 | + Positive integer, default value: $DEFAULT_INTERVAL seconds. | |
46 | + | |
47 | + -d delay | |
48 | + Delay between posting the SIGTERM signal and destroying the | |
49 | + process by SIGKILL. Default value: $DEFAULT_DELAY seconds. | |
50 | + | |
51 | +As of today, Bash does not support floating point arithmetic (sleep does), | |
52 | +therefore all delay/time values must be integers. | |
53 | +EOF | |
54 | +} | |
55 | + | |
56 | +# Options. | |
57 | +while getopts ":t:i:d:" option; do | |
58 | + case "$option" in | |
59 | + t) timeout=$OPTARG ;; | |
60 | + i) interval=$OPTARG ;; | |
61 | + d) delay=$OPTARG ;; | |
62 | + *) printUsage; exit 1 ;; | |
63 | + esac | |
64 | +done | |
65 | +shift $((OPTIND - 1)) | |
66 | + | |
67 | +# $# should be at least 1 (the command to execute), however it may be strictly | |
68 | +# greater than 1 if the command itself has options. | |
69 | +if (($# == 0 || interval <= 0)); then | |
70 | + printUsage | |
71 | + exit 1 | |
72 | +fi | |
73 | + | |
74 | +# kill -0 pid Exit code indicates if a signal may be sent to $pid process. | |
75 | +( | |
76 | + ((t = timeout)) | |
77 | + | |
78 | + while ((t > 0)); do | |
79 | + sleep $interval | |
80 | + kill -0 $$ || exit 0 | |
81 | + ((t -= interval)) | |
82 | + done | |
83 | + | |
84 | + # Be nice, post SIGTERM first. | |
85 | + # The 'exit 0' below will be executed if any preceeding command fails. | |
86 | + kill -s SIGTERM $$ && kill -0 $$ || exit 0 | |
87 | + sleep $delay | |
88 | + kill -s SIGKILL $$ | |
89 | +) 2> /dev/null & | |
90 | + | |
91 | +exec "$@" | ... | ... |