openthread/tests/scripts/expect/_common.exp

#!/usr/bin/expect -f
#
#  Copyright (c) 2020, The OpenThread Authors.
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proc wait_for {command success {failure {[\r\n]FAILURE_NOT_EXPECTED[\r\n]}}} {
    set result 0
    set timeout 1
    for {set i 0} {$i < 20} {incr i} {
        if {$command != ""} {
            send "$command\n"
        }

        expect {
            -re $success {
                set result 1
            }
            -re $failure {
                error "Got failure in wait_for"
            }
            timeout {
                # Do nothing
            }
        }
        if {$result == 1} {
            break
        }
    }
    if {$result == 0} {
        error "Timed out in wait_for"
    }
}

proc spawn_node {id {type ""} {radio_url ""}} {
    global spawn_id
    global spawn_ids
    global argv0

    if {${type} == ""} {
        set type $::env(OT_NODE_TYPE)
    }

    if {${radio_url} == ""} {
        set radio_url "spinel+hdlc+uart://$::env(OT_SIMULATION_APPS)/ncp/ot-rcp?forkpty-arg=$id"
    }

    send_user "\n# ${id} ${type}\n"

    if {[info exists ::env(CC)] && $::env(CC) == "clang"} {
        set gcov_prefix ""
    } else {
        set gcov_prefix "ot-run/$argv0/ot-gcda.$id"
    }

    switch -regexp ${type} {
        {rcp|rcp-cli} {
            spawn /usr/bin/env GCOV_PREFIX=$gcov_prefix $::env(OT_POSIX_APPS)/ot-cli $radio_url
            send "factoryreset\n"
            wait_for "state" "disabled"
            expect "Done"
            send "routerselectionjitter 1\n"
            expect "Done"
        }
        cli {
            spawn /usr/bin/env GCOV_PREFIX=$gcov_prefix $::env(OT_SIMULATION_APPS)/cli/ot-cli-ftd $id
            send "factoryreset\n"
            wait_for "state" "disabled"
            expect "Done"
            send "routerselectionjitter 1\n"
            expect "Done"
        }
        mtd {
            spawn /usr/bin/env GCOV_PREFIX=$gcov_prefix $::env(OT_SIMULATION_APPS)/cli/ot-cli-mtd $id
            send "factoryreset\n"
            wait_for "state" "disabled"
            expect "Done"
        }
    }

    expect_after {
        timeout { error "Timed out" }
    }

    set spawn_ids($id) $spawn_id

    return $spawn_id
}

proc switch_node {id} {
    global spawn_ids
    global spawn_id

    send_user "\n# ${id}\n"
    set spawn_id $spawn_ids($id)
}

proc dispose_node {id} {
    switch_node $id
    send "\x04"
    expect eof
}

proc setup_leader {} {
    send "dataset init new\n"
    expect "Done"
    send "dataset commit active\n"
    expect "Done"
    send "ifconfig up\n"
    expect "Done"
    send "thread start\n"
    expect "Done"
    wait_for "state" "leader"
    expect "Done"
}

proc dispose_all {} {
    global spawn_ids
    set max_node [array size spawn_ids]
    for {set i 1} {$i <= $max_node} {incr i} {
        dispose_node $i
    }
    array unset spawn_ids
}

proc get_ipaddr {type} {
    send "ipaddr $type\n"
    expect "ipaddr $type"
    expect -re {(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4})}
    set rval $expect_out(1,string)
    expect "Done"

    return $rval
}

proc get_extaddr {} {
    send "extaddr\n"
    expect -re {([0-9a-fA-F]{16})}
    set rval $expect_out(1,string)
    expect "Done"

    return $rval
}

proc get_rloc16 {} {
    send "rloc16\n"
    expect "rloc16"
    expect -re {([0-9a-fA-F]{4})}
    set rval $expect_out(1,string)
    expect "Done"

    return $rval
}

set timeout 10