shellfu-bash-saturnin/src/libexec/saturnin-iam

#!/bin/bash

. $(ffoom path)

ffoo import inigrep
ffoo import pretty
ffoo import sync

ffoo import saturnin_common
ffoo import saturnin_zleep


#
# self help
#

available_commands() {
    echo afk
    echo at
    echo back
    echo gone
    echo ooo
    echo wfh
    echo undocking
    echo zleeping
}

usage() {
    cmd_hint=$(
        available_commands \
            | head -c -1 \
            | tr '\n' '|'
    )
    mkusage "$cmd_hint"
}


#
# querying
#

where_i_am() {
    #
    # what is my physical location?
    #
    if=$(inigrep -p iam.using.if)
    gwmac=$(arp | grep "^gateway\\>.*\\<$if\$" | tr ' ' '\n' | grep :)
    inigrep -p iam.seeing.gw.$gwmac || echo OUT
}

set_status() {
    #
    # set public status $1 by command in conf file
    #
    local what=$1
    saturnin_runhook say_$what
    saturnin_runhook log_$what
}


#
# hooks
#

run_hook() {
    local name=$1
    local cmd=$2
    local arg=$3
    inigrep -p iam.hooking.$name.$cmd \
      | SATURNIN_IAM_CMD=$cmd \
        SATURNIN_IAM_ARG=$arg \
        bash
}


#
# subcommand handlers
#

i_am_afk() {
    #
    # away from keyboard; blocks until i'm back again
    #
    mocp --pause
    set_status "afk"
    saturnin kb home    # make sure to set lang to default before locking
    slock
    set_status "atk"
}

i_am_at() {
    #
    # Just say where I am
    #
    where_i_am
}

i_am_back() {
    #
    # returning to work (should be called by other subcommands)
    #
    set_status "back"
    klist -s || urxvt -e kinit
}

i_am_gone() {
    #
    # gone fishin'
    #
    kdestroy
    ssh-add -D
    set_status "gone"
    i_am_afk
    i_am_back
}

i_am_ooo() {
    #
    # too dangerous to implement
    #
    die "not implemented"
}

i_am_wfh() {
    #
    # too dangerous to implement
    #
    die "not implemented"
}

i_am_undocking() {
    #
    # i.e. hibernated
    #
    inigrep -p iam.undocking.like | bash -
}

i_am_zleeping() {
    #
    # i.e. hibernated
    #
    set_status "zleeping"
    zleep
    i_am_back
}

cmd=$1

test -n "$cmd" || usage

available_commands | grep -qse ^$1 || usage

shift

run_hook before $cmd $1
i_am_$cmd $1
run_hook after $cmd $1