From: Jan Kratochvil <jan@jankratochvil.net>
Date: Sat, 19 Jun 2021 08:35:29 +0000 (+0200)
Subject: +bin/upsc-log,+bin/upsc-log-diff
X-Git-Url: https://git.jankratochvil.net/?p=nethome.git;a=commitdiff_plain;h=fc43ae4268f007cec7235c5eb24af311a155cfcc

+bin/upsc-log,+bin/upsc-log-diff
---

diff --git a/bin/upsc-log b/bin/upsc-log
new file mode 100755
index 0000000..7298a39
--- /dev/null
+++ b/bin/upsc-log
@@ -0,0 +1,38 @@
+#! /bin/bash
+renice >/dev/null +19 -p $$
+ionice -c3 -p $$
+t=/tmp/upsc-log.$$
+rm -f $t $t.*
+log=/var/log/upsc.log
+exec >>$log 2>&1
+while sleep 1;do
+  date --iso=seconds >$t.t
+  upsc eaton &>$t
+  if grep -q '^ups.status: OL$' $t && grep -q '^battery.charge: 100$' $t;then
+    rm -f $t.bad $t.bad.t
+    if [ ! -e $t.good ];then
+      cat $t.t $t;echo
+      sync -d $log
+    fi
+    mv -f $t.t $t.good.t
+    mv -f $t   $t.good
+    rm -f /tmp/upsc-smsed
+    continue
+  fi
+  if [ ! -e /tmp/upsc-smsed ];then
+    touch /tmp/upsc-smsed
+    date --iso=seconds|mail -s "upsc-log $(hostname)" jankratochvil@vodafonemail.cz
+  fi
+  if [ -e $t.good ];then
+    cat   $t.good.t $t.good;echo
+    sync -d $log
+    rm -f $t.good.t $t.good
+  fi
+  if [ -e $t.bad ] && cmp -s $t $t.bad;then
+    continue
+  fi
+  cat $t.t $t;echo
+  sync -d $log
+  mv -f $t.t $t.bad.t
+  mv -f $t   $t.bad
+done
diff --git a/bin/upsc-log-diff b/bin/upsc-log-diff
new file mode 100755
index 0000000..6c21015
--- /dev/null
+++ b/bin/upsc-log-diff
@@ -0,0 +1,45 @@
+#! /usr/bin/perl
+use strict;
+use warnings;
+local *F;
+my $ta="/tmp/upsc-log-diff.".$$."a";
+my $tb="/tmp/upsc-log-diff.".$$."b";
+unlink $ta; unlink $tb;
+END {
+  unlink $ta; unlink $tb;
+}
+my $F="/var/log/upsc.log";
+open F,$F or die "$F: $!";
+my $prev;
+my $this="";
+while (<F>) {
+  chomp;
+  if (!/^$/) {
+    $this.="$_\n";
+    next;
+  }
+  if ($prev) {
+    local *TA;
+    local *TB;
+    open TA,">$ta" or die "$ta: $!";
+    open TB,">$tb" or die "$tb: $!";
+    print TA $prev or die "$ta: $!";
+    print TB $this or die "$tb: $!";
+    close TA or die "$ta: $!";
+    close TB or die "$ta: $!";
+    local *TD;
+    my $td="diff -u $ta $tb|";
+    open TD,$td or die "$td: $!";
+    <TD>=~/^\Q--- / or die $_;
+    <TD>=~/^\Q+++ / or die $_;
+    while (<TD>) {
+      next if /^[@ ]/;
+      print;
+    }
+    close TD; # or die "$td: $!";
+    print "\n";
+  }
+  $prev=$this;
+  $this="";
+}
+die $this if $this;