1 if [ ! "$_MEDIA_COMMON_SUBR" ]; then _MEDIA_COMMON_SUBR=1
3 # Copyright (c) 2012-2013 Devin Teske
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
9 # 1. Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # 2. Redistributions in binary form must reproduce the above copyright
12 # notice, this list of conditions and the following disclaimer in the
13 # documentation and/or other materials provided with the distribution.
15 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 ############################################################ INCLUDES
31 BSDCFG_SHARE="/usr/share/bsdconfig"
32 . $BSDCFG_SHARE/common.subr || exit 1
33 f_dprintf "%s: loading includes..." media/common.subr
34 f_include $BSDCFG_SHARE/device.subr
35 f_include $BSDCFG_SHARE/media/any.subr
36 f_include $BSDCFG_SHARE/struct.subr
38 ############################################################ GLOBALS
41 # Where to mount media
46 # Media probe values to use for `f_media_get_TYPE media $file $PROBE' or
47 # `f_device_get media $file $PROBE' (where $PROBE is one of the below values).
52 ############################################################ FUNCTIONS
56 # Returms success if able to initialize the media device.
60 f_dprintf "f_media_open: Verifying and initiliazing media device"
61 { # Verify and initialize device media if-defined
62 f_struct device_media &&
70 # Shuts down the media device, see f_device_shutdown() from device.subr for
75 f_dprintf "f_media_close: Shutting down media device"
76 f_struct device_media &&
77 f_device_shutdown media
78 f_struct_free device_media
83 # Returns success if the media device is available, and if not, prompts the
84 # user to select a media type. See f_media_get_type() from media/any.subr for
89 f_dprintf "f_media_verify: Verifying media device"
90 f_struct device_media || f_media_get_type
93 # f_media_generic_get $base $file [$probe_type]
95 # A generic open which follows a well-known "path" of places to look. If
96 # $probe_type is present and non-NULL, returns success if $file exists. If
97 # $probe_type is equal to $PROBE_SIZE, prints the size of $file in bytes to
100 f_media_generic_get()
102 local base="$1" file="$2" probe_type="$3"
104 local fname=f_media_generic_get
105 f_dprintf "%s: base=[%s] files=[%s] probe_type=%s" \
106 $fname "$base" "$file" "$probe_type"
109 f_getvar $VAR_RELNAME rel
112 "$base/FreeBSD/$file" \
113 "$base/releases/$file" \
116 if [ -f "$path" -a -r "$path" ]; then
117 f_dprintf "%s: file exists path=[%s]" $fname "$path"
118 if [ "$probe_type" = "$PROBE_SIZE" ]; then
120 if ! size=$( stat -f %z "$path" 2>&1 ); then
121 f_dprintf "stat: %s" "$size"
124 f_isinteger "$size" || size=-1
128 [ "$probe_type" ] && return $SUCCESS
134 path="$base/releases/$rel/$file" # Final path to try
135 if [ -f "$path" -a -r "$path" ]; then
136 f_dprintf "%s: file exists path=[%s]" $fname "$path"
137 if [ "$probe_type" = "$PROBE_SIZE" ]; then
139 if ! size=$( stat -f %z "$path" 2>&1 ); then
140 f_dprintf "stat: %s" "$size"
143 f_isinteger "$size" || size=-1
147 [ "$probe_type" ] && return $SUCCESS
148 elif [ "$probe_type" ]; then
149 [ "$probe_type" = "$PROBE_SIZE" ] && echo "-1"
152 cat "$base/releases/$rel/$file" # Final path to try
155 ############################################################ MAIN
157 f_dprintf "%s: Successfully loaded." media/common.subr
159 fi # ! $_MEDIA_COMMON_SUBR