-
Notifications
You must be signed in to change notification settings - Fork 6
/
record.lib.sh
199 lines (169 loc) · 6.91 KB
/
record.lib.sh
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
#
# Copyright (c) 2010-2011 Linagora
# Patrick Guiran <pguiran@linagora.com>
# http://github.com/Tauop/ScriptHelper
#
# ScriptHelper is free software, you can redistribute it and/or modify
# it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# ScriptHelper 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 General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# README ---------------------------------------------------------------------
# This is a bash library for record tty session
#
# Global variables ===========================================================
# IMPORTANT: Please to write to those variables
# __LIB_RECORD__ : 'Loaded' when the lib is 'source'd
# __RECORD_FILE__ : filepath basename for the record files
# ----------------------------------------------------------------------------
if [ "${__LIB_RECORD__:-}" != 'Loaded' ]; then
__LIB_RECORD__='Loaded'
__RECORD_FILE__=
# Load dependencies
load() {
local var= value= file=
var="$1"; file="$2"
value=$( eval "printf '%s' \"\${${var}:-}\"" )
[ -n "${value}" ] && return 1;
if [ -f "${file}" ]; then
. "${file}"
else
printf "ERROR: Unable to load ${file}\n"
exit 2
fi
return 0;
}
# Load configuration file
load SCRIPT_HELPER_DIRECTORY /etc/ScriptHelper.conf
SCRIPT_HELPER_DIRECTORY="${SCRIPT_HELPER_DIRECTORY:-}"
SCRIPT_HELPER_DIRECTORY="${SCRIPT_HELPER_DIRECTORY%%/}"
load __LIB_RANDOM__ "${SCRIPT_HELPER_DIRECTORY}/random.lib.sh"
# ----------------------------------------------------------------------------
# usage: RECORD_START [<options>] [<command>]
# desc: alias of RECORD()
RECORD_START () { RECORD $*; }
# usage: RECORD [<options>] [<command>]
# desc: Start recording the terminal session
# options: --file <filename>: specify the basename of the recorded files
# note: if no <command> is given, enter in interactive mode (recorded shell)
# note: if --file option is not used, generate a random file name which can be get
# with RECORD_GET_TIME_FILE() and RECORD_GET_DATA_FILE()
RECORD () {
# start a new record file
__RECORD_FILE__=
while true ; do
[ $# -eq 0 ] && break;
case "$1" in
--file ) shift; [ $# -ne 0 ] && __RECORD_FILE__="$1"; shift; break ;;
--* ) shift ;;
* ) break ;;
esac
done
[ -z "${__RECORD_FILE__}" ] && __RECORD_FILE__="/tmp/record.$(RANDOM)"
if [ $# -eq 0 ]; then
script -q -t 2>"${__RECORD_FILE__}.time" "${__RECORD_FILE__}.data"
else
script -q -c "$*" -t 2>"${__RECORD_FILE__}.time" "${__RECORD_FILE__}.data"
fi
# workaround to display all line recorded in *.data file !
# in fact, scriptreplay doesn't want to display 'exit', but it's create some mistakes.
printf '0.000000 1\n' >> "${__RECORD_FILE__}.time"
}
# usage: RECORD_GET_TIME_FILE
# desc: ECho-return the file path of recorded session (timestamp information)
RECORD_GET_TIME_FILE () { printf '%s' "${__RECORD_FILE__}.time"; }
# usage: RECORD_GET_DATA_FILE
# desc: Echo-return the file path of recorded session (data information)
RECORD_GET_DATA_FILE () { printf '%s' "${__RECORD_FILE__}.data"; }
# usage: RECORD_REALTIME [<options>]
# desc: alias of RECORD_TIME --real
# desc: compute the total time of a recorded session
# options: --file <filename>: specify the basename of the recorded files
# note: if --file option is not used, use the last file used with RECORD()/RECORD_PLAY()
RECORD_REALTIME () { RECORD_TIME --real $* ; }
# usage: RECORD_TIME [<options>]
# desc: compute the total of time needed to replay the recorded session
# options: --file <filename>: specify the basename of the recorded files
# --real : compute the "real" time of the recorded session
# note: if --file option is not used, use the last file used with RECORD()/RECORD_PLAY()
RECORD_TIME () {
local record_file= real_time='false' time_file= total_time= speed_factor=
while true ; do
[ $# -eq 0 ] && break;
case "$1" in
--file ) shift; [ $# -ne 0 ] && record_file="$1"; shift ;;
--real ) real_time='true'; shift;;
--* ) shift ;;
* ) break ;;
esac
done
[ -z "${record_file}" ] && record_file="${__RECORD_FILE__}"
record_file="${record_file}.time"
if [ ! -f "${record_file}" ]; then
printf "ERROR: can't find ${record_file}.time\n"
return 1
fi
[ $# -eq 1 ] && speed_factor="$1" || speed_factor=1
total_time=0
if [ "${real_time}" = 'true' ]; then
printf 'scale=6\n';
printf '(';
< "${record_file}" cut -d' ' -f1 | tr $'\n' '+';
printf '%s\n' "0)/${speed_factor}"
else
printf 'scale=6\n';
printf '(';
while read time nb_char; do
[ "$( expr "${nb_char}" '<' '100' )" = '1' ] && time="0.${time#*.}"
[ "$( expr "${time%.*}" '>' '1' )" = '1' ] && time="1.${time#*.}"
printf '%s' "${time}+"
done < "${record_file}"
printf '%s\n' "0)/${speed_factor}"
fi | bc
return 0;
}
# usage: RECORD_PLAY [<options>]
# desc: Replay a recorded sessions
# options: --file <filename>: specify the basename of the recorded files
# --real: replay session in real time (can spend a long time)
# note: if no --file option is used, get the last recorded session files
RECORD_PLAY () {
local record_file= real_time='false' time_file= speed_factor= time= nb_char=
while true ; do
[ $# -eq 0 ] && break;
case "$1" in
--file ) shift; [ $# -ne 0 ] && record_file="$1"; shift ;;
--real ) real_time='true'; shift ;;
--* ) shift ;;
* ) break ;;
esac
done
[ -z "${record_file}" ] && record_file="${__RECORD_FILE__}"
if [ ! -f "${record_file}.time" -o ! -f "${record_file}.data" ]; then
printf "ERROR: can't find ${record_file}.time or ${record_file}.data\n"
return 1
fi
[ $# -eq 1 ] && speed_factor="$1" || speed_factor=1
if [ "${real_time}" = 'false' ]; then
time_file="/tmp/time.$(RANDOM)"
while read time nb_char; do
[ "$( expr "${nb_char}" '<' '100' )" = '1' ] && time="0.${time#*.}"
[ "$( expr "${time%.*}" '>' '1' )" = '1' ] && time="1.${time#*.}"
printf '%s\n' "${time} ${nb_char}"
done < "${record_file}.time" > "${time_file}"
else
time_file="${record_file}.time"
fi
scriptreplay "${time_file}" "${record_file}.data" "${speed_factor}"
[ -n "${time_file}" -a -f "${time_file}" ] && rm -f "${time_file}"
return 0
}
fi # end of: if [ "${__LIB_RECORD__:-}" != 'Loaded' ]; then