日記/2013-05-18

ログのUTC→JSTに変換

　Raspberry Pi のircddbgateway + gmskrepeater(or dvapnode)のログはUTCで吐き出されているので、JST表示にして見やすくしてみた。*1

変換前

# tail -12 /var/log/GMSKRepeater-2013-05-18.log
M: 2013-05-18 14:10:57: Transmitting to - My: JH1BLT C/      Your: JH1BLT    Rpt1: JH1BLT G  Rpt2: JH1BLT C  Flags: 01 00 00
M: 2013-05-18 14:10:58: Network header received - My: JH1BLT  /INFO  Your: CQCQCQ    Rpt1: JH1BLT G  Rpt2: JH1BLT C  Flags: 00 00 00
M: 2013-05-18 14:10:58: Transmitting to - My: JH1BLT  /INFO  Your: CQCQCQ    Rpt1: JH1BLT G  Rpt2: JH1BLT C  Flags: 00 00 00
M: 2013-05-18 14:11:01: Stats for JH1BLT    Frames: 2.5s, Loss: 0.0%, Packets: 0/123
M: 2013-05-18 14:12:24: Header decoded - My: JH1BLT  /ID80  Your: REF008CL  Rpt1: DIRECT    Rpt2: DIRECT    Flags: 00 00 00
M: 2013-05-18 14:12:24: Slow data set to "Linking to REF008 C "
M: 2013-05-18 14:12:24: Slow data set to "Linked to REF008 C  "
M: 2013-05-18 14:12:24: AMBE for JH1BLT    Frames: 0.3s, Silence: 23.1%, BER: 0.0%
M: 2013-05-18 14:12:24: Transmitting to - My: JH1BLT C/      Your: JH1BLT    Rpt1: JH1BLT G  Rpt2: JH1BLT C  Flags: 01 00 00
M: 2013-05-18 14:12:26: Network header received - My: JH1BLT  /INFO  Your: CQCQCQ    Rpt1: JH1BLT G  Rpt2: JH1BLT C  Flags: 00 00 00
M: 2013-05-18 14:12:26: Transmitting to - My: JH1BLT  /INFO  Your: CQCQCQ    Rpt1: JH1BLT G  Rpt2: JH1BLT C  Flags: 00 00 00
M: 2013-05-18 14:12:33: Stats for JH1BLT    Frames: 7.1s, Loss: 0.0%, Packets: 0/356

変換後*2

#./gmlog2.sh
 23:10:57 JST: Transmitting to - My: JH1BLT C/      Your: JH1BLT    Rpt1: JH1BLT G  Rpt2: JH1BLT C  Flags: 01 00 00
 23:10:58 JST: Network header received - My: JH1BLT  /INFO  Your: CQCQCQ    Rpt1: JH1BLT G  Rpt2: JH1BLT C  Flags: 00 00 00
 23:10:58 JST: Transmitting to - My: JH1BLT  /INFO  Your: CQCQCQ    Rpt1: JH1BLT G  Rpt2: JH1BLT C  Flags: 00 00 00
 23:11:01 JST: Stats for JH1BLT    Frames: 2.5s, Loss: 0.0%, Packets: 0/123
 23:12:24 JST: Header decoded - My: JH1BLT  /ID80  Your: REF008CL  Rpt1: DIRECT    Rpt2: DIRECT    Flags: 00 00 00
 23:12:24 JST: Slow data set to "Linking to REF008 C "
 23:12:24 JST: Slow data set to "Linked to REF008 C  "
 23:12:24 JST: AMBE for JH1BLT    Frames: 0.3s, Silence: 23.1%, BER: 0.0%
 23:12:24 JST: Transmitting to - My: JH1BLT C/      Your: JH1BLT    Rpt1: JH1BLT G  Rpt2: JH1BLT C  Flags: 01 00 00
 23:12:26 JST: Network header received - My: JH1BLT  /INFO  Your: CQCQCQ    Rpt1: JH1BLT G  Rpt2: JH1BLT C  Flags: 00 00 00
 23:12:26 JST: Transmitting to - My: JH1BLT  /INFO  Your: CQCQCQ    Rpt1: JH1BLT G  Rpt2: JH1BLT C  Flags: 00 00 00
 23:12:33 JST: Stats for JH1BLT    Frames: 7.1s, Loss: 0.0%, Packets: 0/356

gmlog2.sh

#!/bin/sh

LOGF=`ls /var/log/GMSK* | sort | tail -1`
LOG1=`tail -1 $LOGF`
DT0=`echo "$LOG1" | cut -b4-22`
#DT0="2013-05-18 14:10:56" ; for example

while :
do
  LOGF=`ls /var/log/GMSK* | sort | tail -1`
  LOG1=`tail -1 $LOGF`
  DT1=`echo "$LOG1" | cut -b4-22`
  DTN=`grep -n "$DT0" $LOGF | cut -d":" -f1 | tail -1`
  DTALL=`wc -l $LOGF | cut -d" " -f1`
  FLAG=`expr $DTALL - $DTN`
  if test "$FLAG" = "" ; then
    FLAG="0"
  fi
  #echo "DT0=[$DT0] LOGF=[$LOGF] LOG1=[$LOG1]"
  #echo "DT1=[$DT1] DTN=[$DTN] DTALL=[$DTALL] FLAG=[$FLAG]"
  tail -$FLAG $LOGF > temp1.txt

while read line
do
  DTUTC=`echo "$line" | cut -b4-22`
  MSG0=`echo "$line" | cut -b24-`
  DTTEMP=`date +%s --date "$DTUTC"`
  DTJST=`expr $DTTEMP + "32400"`  ; +9:00H(秒にして加える）
  DTJST=`date --date "@$DTJST" | cut -b30-46` ; ← 時刻表示の範囲を決める
  echo "$DTJST:$MSG0"
done <temp1.txt

DT0="$DT1"
sleep 5
done

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ログのUTC→JSTに変換