#!/bin/bash
#
# Copyright (c) 2008-2011 by BigBlueButton Inc.
#
# This file is part of BigBlueButton - http://www.bigbluebutton.org
#
# BigBlueButton is free software; you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
#
# Author(s):
#       Fred Dixon <ffdixon@bigbluebutton.org>
#
# Changelog:
#   2011-08-18 FFD  Inital Version
#   2011-11-20 FFD  Added more checks for processing of recording
#   2012-01-04 GUG  Add option to check for errors
#   2012-02-27 GUG  Add option to delete one meeting and recording
#   2012-08-13 GUG  Republish recording

#set -e
#set -x

BASE=/var/bigbluebutton/recording
STATUS=$BASE/status
source /etc/bigbluebutton/bigbluebutton-release

SERVLET_DIR=/var/lib/tomcat6/webapps
BBB_WEB=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | sed -n '/^bigbluebutton.web.serverURL/{s/.*\///;p}')

RECORDING_DIR=$(cat /usr/local/bigbluebutton/core/scripts/bigbluebutton.yml | sed -n '/\(recording_dir\)/{s/.*recording_dir:[ ]*//;s/;//;p}')
PUBLISHED_DIR=$(cat /usr/local/bigbluebutton/core/scripts/bigbluebutton.yml | sed -n '/\(published_dir\)/{s/.*published_dir:[ ]*//;s/;//;p}')
RAW_AUDIO_SRC=$(cat /usr/local/bigbluebutton/core/scripts/bigbluebutton.yml | sed -n '/\(raw_audio_src\)/{s/.*raw_audio_src:[ ]*//;s/;//;p}')
RAW_VIDEO_SRC=$(cat /usr/local/bigbluebutton/core/scripts/bigbluebutton.yml | sed -n '/\(raw_video_src\)/{s/.*raw_video_src:[ ]*//;s/;//;p}')
RAW_DESKSHARE_SRC=$(cat /usr/local/bigbluebutton/core/scripts/bigbluebutton.yml | sed -n '/\(raw_deskshare_src\)/{s/.*raw_deskshare_src:[ ]*//;s/;//;p}')
RAW_PRESENTATION_SRC=$(cat /usr/local/bigbluebutton/core/scripts/bigbluebutton.yml | sed -n '/\(raw_presentation_src\)/{s/.*raw_presentation_src:[ ]*//;s/;//;p}')

TYPES=$(cd /usr/local/bigbluebutton/core/scripts/process; ls *.rb | sed s/.rb//g)

mark_for_rebuild() {
	MEETING_ID=$1
	#set -x
	for type in $TYPES; do
                if [ -d $BASE/process/$type/$MEETING_ID ]; then
                        rm -rf $BASE/process/$type/$MEETING_ID
#                else
#                        echo "Warn: Didn't find $BASE/process/$type/$MEETING_ID"
#                        exit 1
                fi

                if [ -f $STATUS/processed/$MEETING_ID-$type.done ]; then
                        rm $STATUS/processed/$MEETING_ID-$type.done
#                else
#                        echo "Warn: Didn't find $STATUS/processed/$MEETING_ID-$type.done"
#                        exit 1
                fi

                if [ -d $BASE/publish/$type/$MEETING_ID ]; then
			rm -rf $BASE/publish/$type/$MEETING_ID
		fi

                if [ -d /var/bigbluebutton/processed/$type/$MEETING_ID ]; then
                        rm -rf /var/bigbluebutton/published/$type/$MEETING_ID
                fi

                if [ -d /var/bigbluebutton/published/$type/$MEETING_ID ]; then
                        rm -rf /var/bigbluebutton/published/$type/$MEETING_ID
                fi

                if [ -d /var/bigbluebutton/unpublished/$type/$MEETING_ID ]; then
                        rm -rf /var/bigbluebutton/unpublished/$type/$MEETING_ID
                fi
	done
}

mark_for_republish() { 
	MEETING_ID=$1
	#set -x
	for type in $TYPES; do                
                if [ -d $BASE/publish/$type/$MEETING_ID ]; then
						rm -rf $BASE/publish/$type/$MEETING_ID
				fi
              
                if [ -d /var/bigbluebutton/published/$type/$MEETING_ID ]; then
                        rm -rf /var/bigbluebutton/published/$type/$MEETING_ID
                fi

                if [ -d /var/bigbluebutton/unpublished/$type/$MEETING_ID ]; then
                        rm -rf /var/bigbluebutton/unpublished/$type/$MEETING_ID
                fi
	done
}

BIGBLUEBUTTON_RELEASE=0.8-beta-4

need_root() {
        if [ $EUID != 0 ]; then
                echo "Need to be root to run this option"
                exit 1
        fi
}

print_header() {
        if [ ! $HEADER ]; then
                echo
                echo "** Potential problems described below **"
                HEADER=1
        fi
}

usage() {
        echo "BigBlueButton Recording Diagnostic Utility (BigBlueButton Version $BIGBLUEBUTTON_RELEASE)"
        echo
        echo "   bbb-record [options]"
        echo
        echo "Reporting:"
        echo "   --list                           List all recordings"
	echo
        echo "Monitoring:"
        echo "   --watch                          Watch processing of recordings"
	echo
        echo "Administration:"
        echo "   --rebuild [meetingID]            rebuild the output for meetingID"
        echo "   --republish [meetingID]          republish the recording for meetingID"
	echo "   --delete [meetingID]             delete one meeting and recording"
        echo "   --deletall                       delete all meetings and recordings"
        echo "   --debug                          check for recording errors"
        echo "   --check                          check for configuration errors"
	echo
}

if [ $# -eq 0 ]; then
        usage
        exit 1
fi

# Parse the parameters
while [ $# -gt 0 ]; do
        if [ "$1" = "-watch" -o "$1" = "--watch" ]; then
                WATCH=1
		shift
                continue
        fi
        if [ "$1" = "-list" -o "$1" = "--list" ]; then
                LIST=1
		shift
                continue
        fi
        if [ "$1" = "--list20" ]; then
                LIST=1
		HEAD=20
		shift
                continue
        fi
        if [ "$1" = "-rebuild" -o "$1" = "--rebuild" ]; then
		need_root
		if [ ! -z "${2}" ]; then
                	MEETING_ID="${2}"
			shift
		fi
                REBUILD=1
		shift
                continue
        fi

	if [ "$1" = "-republish" -o "$1" = "--republish" ]; then
		need_root
		if [ ! -z "${2}" ]; then
                	MEETING_ID="${2}"
			shift
		fi
                REPUBLISH=1
		shift
                continue
        fi
		
	if [ "$1" = "-delete" -o "$1" = "--delete" ]; then
                need_root
                if [ ! -z "${2}" ]; then
                        MEETING_ID="${2}"
                        shift
                fi
                DELETE=1
                shift
                continue
        fi

        if [ "$1" = "-deleteall" -o "$1" = "--deleteall" ]; then
		need_root
                DELETEALL=1
		shift
                continue
        fi
        if [ "$1" = "-check" -o "$1" = "--check" ]; then
		need_root
                CHECK=1
		shift
                continue
        fi

        if [ "$1" = "-debug" -o "$1" = "--debug" ]; then
		need_root
                DEBUG=1
		shift
                continue
        fi

        if [ "$1" = "-clean" -o "$1" = "--clean" ]; then
		need_root
                CLEAN=1
		shift
                continue
        fi

	usage
	exit 1
done

if [ $REBUILD ]; then
    if [ -z "$MEETING_ID" ]; then
	#
	# Regenerate all meetings
	#
	for recording in $(dir $BASE/raw); do
		echo "Marking for rebuild: $MEETING_ID"
		mark_for_rebuild $MEETING_ID
	done
    else
	echo "Marking for rebuild: $MEETING_ID"
	mark_for_rebuild $MEETING_ID
    fi
fi 

if [ $REPUBLISH ]; then
    if [ -z "$MEETING_ID" ]; then
	#
	# Republish all meetings
	#
	for recording in $(dir $BASE/raw); do
		echo "Marking for republish: $recording"
		mark_for_republish $recording
	done
    else
	echo "Marking for republish: $MEETING_ID"
	mark_for_republish $MEETING_ID
    fi
fi 

if [ $CLEAN ]; then
	sudo /etc/init.d/bbb-record-core stop
	for type in $TYPES; do
		echo " clearning logs in /var/log/bigbluebutton/$type"
		find /var/log/bigbluebutton/$type -name "*.log" -exec sudo rm '{}' \;
	done
	sudo /etc/init.d/bbb-record-core start
fi

if [ $DELETE ]; then
  if [ ! -z "$MEETING_ID" ]; then
        for type in $TYPES; do
                rm -rf /var/bigbluebutton/published/$type/$MEETING_ID*
                rm -rf /var/bigbluebutton/unpublished/$type/$MEETING_ID*

                rm -rf /var/bigbluebutton/recording/process/$type/$MEETING_ID*
                rm -rf /var/bigbluebutton/recording/publish/$type/$MEETING_ID*

                rm -rf /var/bigbluebutton/recording/raw/$MEETING_ID*

                rm -rf /var/log/bigbluebutton/$type/*$MEETING_ID*
        done

        rm -f /var/bigbluebutton/recording/status/recorded/$MEETING_ID*
        rm -f /var/bigbluebutton/recording/status/archived/$MEETING_ID*
        rm -f /var/bigbluebutton/recording/status/processed/$MEETING_ID*

        rm -rf /usr/share/red5/webapps/video/streams/$MEETING_ID
        rm -f /var/bigbluebutton/deskshare/$MEETING_ID*.flv
        rm -f /var/freeswitch/meetings/$MEETING_ID*.wav
		rm -rf /var/bigbluebutton/$MEETING_ID

        echo "deleting: $MEETING_ID"
  else
        echo "Give a meeting id or use --deleteall"
  fi
fi

if [ $DELETEALL ]; then
	for type in $TYPES; do
		rm -rf /var/bigbluebutton/published/$type/*
		rm -rf /var/bigbluebutton/unpublished/$type/*

		rm -rf /var/bigbluebutton/recording/process/$type/*
		rm -rf /var/bigbluebutton/recording/publish/$type/*
	
		rm -rf /var/bigbluebutton/recording/raw/*

		rm -rf /var/log/bigbluebutton/$type/*
	done

	rm -f /var/bigbluebutton/recording/status/recorded/*
	rm -f /var/bigbluebutton/recording/status/archived/*
	rm -f /var/bigbluebutton/recording/status/processed/*
	rm -f /var/bigbluebutton/recording/status/sanity/*

	rm -f /usr/share/red5/webapps/video/streams/*.flv
	rm -f /var/bigbluebutton/deskshare/*.flv
	rm -f /var/freeswitch/meetings/*.wav

	for meeting in $(ls /var/bigbluebutton | grep "[0-9]\{13\}$"); do
		echo "deleting: $meeting"
		rm -rf /var/bigbluebutton/$meeting
	done
fi

if [ $LIST ]; then

# Does the meeting contain:
#	A -- Audio
#	P -- Presentation
#	V -- Video
#	D -- Desktop 
#	
# Does the archive contain
#	A -- Audio
#	P -- Presentation
#	V -- Video
#	D -- Desktop 
#	E -- Events
#	
# Is there a done flag (trigger rap-worker.rb to process) for
#	R -- Recording
# 	A -- Archiving
#

echo "MeetingID                                               Time                         APVD APVDE RAS Slides Processed            Published             Description"
echo "------------------------------------------------------  ---------------------------- ---- ----- --- ------ -------------------- --------------------  -----------------------------"

if [ -z $HEAD ]; then
	# If we're not called with --list20, show all recordings
	HEAD=99999
fi
                                                              
for meeting in $(ls -t /var/bigbluebutton | grep "[0-9]\{13\}$" | head -n $HEAD); do
	echo -n "$meeting"
	timestamp=$(echo $meeting | sed s/.*-//g)
	epoc=$(($timestamp/1000))
	echo -n "  "
	echo -n $(date --date "Jan 1, 1970 00:00:00 +0000 + $epoc seconds") | awk '{ printf("%-28s",$0) }'
	echo -n " "
     
	#
	# Monitor the live recordings
	#
 
	#
	# Check if there is any recorded audio
	if ls -A $RAW_AUDIO_SRC/$meeting-*.wav &> /dev/null; then
		echo -n "X"
	else
		echo -n " "
	fi

	#
	# Check if there area uploaded presentations 
	if [ -d $RAW_PRESENTATION_SRC/$meeting/$meeting ]; then
		if [ "$(ls -A $RAW_PRESENTATION_SRC/$meeting/$meeting)" ]; then 
			echo -n "X"
		else
			echo -n " "
		fi
	else 
		echo -n " "
	fi


	#
	# Check if there is any recorded videos
	if [ -d $RAW_VIDEO_SRC/$meeting ]; then
		if [ "$(ls -A $RAW_VIDEO_SRC/$meeting)" ]; then 
			echo -n "X"
		else
			echo -n " "
		fi
	else
		echo -n " "
	fi

	#
	# Check if there is any recorded desktop sharing
	if ls -A $RAW_DESKSHARE_SRC/$meeting-*.flv &> /dev/null; then
		echo -n "X"
	else
		echo -n " "
	fi


	#
	# Monitor the archived files
	#
	RAW_DIR=$RAW_PRESENTATION_SRC/recording/raw/$meeting
	echo -n " "

	# Check if there area uploaded presentations 
	#echo "$RAW/audio"
	DIRS="audio presentation video deskshare"
	for dir in $DIRS; do
		if [ -d $RAW_DIR/$dir ]; then
			if [ "$(ls -A $RAW_DIR/$dir)" ]; then 
				echo -n "X"
			else
				echo -n " "
			fi
		else 
			echo -n " "
		fi
	done

	if [ -f $RAW_DIR/events.xml ]; then
		echo -n "X"
	else
		echo -n " "
	fi

	#
	# Check the status files
	#
	echo -n " "
	STATUS_DIR=$RAW_PRESENTATION_SRC/recording/status
	DIRS="recorded archived sanity"
	for dir in $DIRS; do
		if [ -f $STATUS_DIR/$dir/$meeting.done ]; then
			echo -n "X"
		else 
			echo -n " "
		fi
	done

	#
	# Numbe rof slides
	printf "%7s" $(find /var/bigbluebutton/$meeting/$meeting -name "*.swf" | wc -l)


	echo -n " "
	#echo $BASE/raw/$meeting 
	if [ -d $BASE/raw/$meeting ]; then
		recording=$meeting

	#
	# Checka processed 
	processed=""
	for type in $TYPES; do
		if [ -f $STATUS/processed/$recording-$type.done ]; then
			if [ ! -z "$processed" ]; then
				processed="$processed,"
			fi
			processed="$processed$type"
		fi	
	done
        printf "%-21s" $processed

	#
	# Check archived
	published=""
	for type in $TYPES; do
		if [ -f /var/bigbluebutton/published/$type/$recording/metadata.xml ]; then
			if [ ! -z "$published" ]; then
				published="$published,"
			fi
			published="$published$type"
		fi	
	done
        printf "%-17s" $published


	if [ -f /var/bigbluebutton/recording/raw/$recording/events.xml ]; then
		echo -n "     "
		echo -n $(head -n 5 /var/bigbluebutton/recording/raw/$recording/events.xml | grep description | sed s/.*description=\"//g | sed s/\".*//g) | sed -e 's/<[^>]*>//g' -e 's/&lt;/</g' -e 's/&gt;/>/g' -e 's/&amp;/\&/g' -e 's/ \{1,\}/ /g' | tr -d '\n'
	fi

fi
	echo
done
	echo
	echo "--"
	ps fU tomcat6 -o "%c%a" | grep -v COMMAND | grep -v logging.properties

	echo "--"

	if tail -n 20 /var/log/bigbluebutton/bbb-web.log | grep -q "is recorded. Process it."; then
		echo -n "Last meeting processed (bbb-web.log): "
		tail -n 20 /var/log/bigbluebutton/bbb-web.log | grep "is recorded. Process it." | sed "s/.*\[//g" | sed "s/\].*//g"
	fi


fi

if [ $WATCH ]; then
	watch -n 2 "bbb-record --list20"
fi

if [ $CHECK ]; then
	if [ -f /var/bigbluebutton/recording/process/slides ]; then 
	    if [ ! -w  /var/bigbluebutton/recording/process/slides ]; then
		print_header
		echo "# Error: The output director for slides"
		echo "#"
		echo "# /var/bigbluebutton/recording/process/slides"
		echo "#"
		echo "# is not writeable."
		echo
	    fi
	fi

	#
	# Check that the playback of slides have the proper URL
	#
	#set -x
        for type in $TYPES; do
		for recording in $(find $BASE/publish/$type -name metadata.xml); do
			url_playback=$(cat $recording | grep "<link>" | sed 's/[ ]*<link>http:\/\/\([^\"\/]*\)[^>]*>/\1/g')
			if [ "$BBB_WEB" != "$url_playback" ]; then
                                echo
                                echo "# The hostname in <link> .. </link> ($url_playback)"
                                echo "#     $recording"
                                echo "# do not match the hostname for bigbluebutton.web.serverURL ($BBB_WEB)"
                                echo "#     /usr/share/red5/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties"
                                echo
			fi
		done
	done

fi

if [ $DEBUG ]; then

	LOG_DIR=/var/log/bigbluebutton

	if [ -f /var/log/bigbluebutton/bbb-rap-worker.log ]; then
		grep -i error /var/log/bigbluebutton/bbb-rap-worker.*
	fi

	#
	#Failures while archiving files
	#
        if [ -f $LOG_DIR/archive.log ]; then
	  grep "Failed to" "$LOG_DIR/archive.log" > /tmp/t
     	  if [ -s /tmp/t ]; then
                  echo "  -- ERRORS found while archiving files -- "
                  cat /tmp/t
                  echo
		  grep "on ASCII" /tmp/t > /tmp/u
                  if [ -s /tmp/u ]; then
                          echo "  -- events.xml was not created. There is a problem with the character encoding "
                          echo
                  fi 
          fi
	fi 

	#
	# We're going to look through the output files for each of the processed types
	#
	STAGES="process publish"
        for type in $TYPES; do
                for stage in $STAGES; do
                        LOC=$LOG_DIR/$type/$stage
                        if ls -A $LOC-* &> /dev/null; then
                                rm -rf /tmp/t
                                grep -B 3 "ERROR -- : Error:" $LOC-* | egrep -w 'Error:' | grep -v "ffmpeg version" > /tmp/t
                                if [ -s /tmp/t ]; then
                                        echo "  -- ERRORS found while processing slides $LOC-* -- "
                                        cat /tmp/t
                                        echo
                                fi
                        fi
                done
        done


	#
	# Additional checks for record and playback
	#
	rm -rf /tmp/t
	if ls /var/log/bigbluebutton/slides-process-* > /dev/null 2>1; then
		  sudo grep -i Error /var/log/bigbluebutton/slides-process-* > /tmp/t 
		  if [ -s /tmp/t ]; then
			echo "   -- Ingest and Processing errors found in /var/log/bigbluebutton/slides-process-*.log -- "
			cat /tmp/t
			echo
		  fi
	fi

	rm -rf /tmp/t
	if ls /var/log/bigbluebutton/slides-publish-* > /dev/null 2>1; then
		  sudo grep -i Error /var/log/bigbluebutton/slides-publish-* > /tmp/t 
		  if [ -s /tmp/t ]; then
			echo "   -- Ingest and Processing errors found in /var/log/bigbluebutton/slides-publish-*.log -- "
			cat /tmp/t
			echo
		  fi
	fi

	rm -rf /tmp/t
	if ls /var/log/bigbluebutton/slides-process-* > /dev/null 2>1; then
		for file in /var/log/bigbluebutton/slides-process-*; do 
		  if [ ! -f $(echo $file | sed 's/process/publish/g') ]; then 
			echo "  $file" >> /tmp/t
                  fi 
                done

		  if [ -s /tmp/t ]; then
			echo "   -- Ingest and Processing: found process file but not publish -- "
			cat /tmp/t
			echo
		  fi
	fi


	rm -rf /tmp/t
	if ls /var/bigbluebutton/recording/status/recorded/*.done > /dev/null 2>1; then
		for file in /var/bigbluebutton/recording/status/recorded/*.done; do 
		  if [ ! -f $(echo $file | sed 's/recorded/archived/g') ]; then 
			echo "  $file" >> /tmp/t
                  fi 
                done

		  if [ -s /tmp/t ]; then
			echo "   -- Ingest and Processing: found recorded meeting but no archive files-- "
			cat /tmp/t
			echo
		  fi
	fi
	
	
	exit 0
fi