110 lines
2.6 KiB
Bash
Executable File
110 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
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get_media()
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{
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local link="$(readlink "/sys/class/block/$(basename $1)")"
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case $1 in
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/dev/mmc*)
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echo ${link} | grep "sdc0" &>/dev/null \
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&& echo sdcard && return 0
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echo ${link} | grep "sunxi-mmc.0" &>/dev/null \
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&& echo sdcard && return 0
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# spi tfcard
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echo ${link} | grep "spi.*mmc_host" &>/dev/null \
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&& echo sdcard && return 0
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;;
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/dev/sd*)
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echo ${link} | grep "usb" &>/dev/null \
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&& echo udisk && return 0
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echo ${link} | grep "sata" &>/dev/null \
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&& echo sata && return 0
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;;
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esac
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}
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get_mount()
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{
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grep -w "^$1" /proc/mounts | awk '{print $2}'
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}
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record_media()
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{
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# 已经在列表中，则返回错误
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[ -z "$2" -o -z "$1" ] && return 1
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echo "${plugin_media}" | grep "$1@$2" &>/dev/null && return 1
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plugin_media="${plugin_media} $1@$2"
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}
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record_mount()
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{
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[ -z "$2" -o -z "$1" ] && return 1
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echo "${plugin_mount}" | grep "$1@$2" &>/dev/null && return 1
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plugin_mount="${plugin_mount} $1@$2"
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}
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unrecord_media()
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{
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[ -z "$2" -o -z "$1" ] && return 1
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echo "${plugin_media}" | grep "$1@$2" &>/dev/null || return 1
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plugin_media="$(echo "${plugin_media}" | sed "s#$1@$2 *##")"
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}
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unrecord_mount()
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{
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[ -z "$2" -o -z "$1" ] && return 1
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echo "${plugin_mount}" | grep "$1@$2" &>/dev/null || return 1
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plugin_mount="$(echo "${plugin_mount}" | sed "s#$1@$2 *##")"
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}
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check_old()
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{
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local dev media mount once
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for once in ${plugin_media}
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do
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dev="$(echo ${once} | sed 's/@.*//')"
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media="$(echo ${once} | sed 's/.*@//')"
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[ -b "${dev}" ] && continue
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unrecord_media "${dev}" "${media}" \
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&& echo -e "Plugout:\t${media} @ ${dev}"
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done
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for once in ${plugin_mount}
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do
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dev="$(echo ${once} | sed 's/@.*//')"
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mount="$(echo ${once} | sed 's/.*@//')"
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grep "${dev}.*${mount}" /proc/mounts 1>/dev/null && continue
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unrecord_mount "${dev}" "${mount}" \
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&& echo -e "Umount:\t\t${dev} @ ${mount}"
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done
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}
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check_new()
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{
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local dev media mount
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for dev in /dev/mmc* /dev/sd*
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do
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[ -b "${dev}" ] || continue
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media="$(get_media ${dev})"
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mount="$(get_mount ${dev})"
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record_media "${dev}" "${media}" \
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&& echo -e "Plugin:\t\t${media} @ ${dev}"
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record_mount "${dev}" "${mount}" \
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&& echo -e "Mount:\t\t${dev} @ ${mount}"
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done
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}
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# ============ begin here ============
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while true
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do
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check_old
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check_new
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done
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