#!/usr/bin/expect

# ============================================================================
#
# Copyright (C) THALES. All rights reserved
# Author: Laurent Mazet
# 
# Script de connection au switchs
#
# 2014-10-06 V1.0 : Creation
#
# ============================================================================

# default value
set blade {0}
set host ""
set login "admin"
set password "thalescom02"
set prompt "system>"

proc usage {script_name rc} {
    puts "usage: [exec basename $script_name] \[host\] \[-b blade\] \[-h\] \[-l login\] \[-p password\] \[-x prompt\]"
    exit $rc
}

# process argument
set action ""
for {set i 0} {$i < [llength $argv]} {incr i} {
    set arg [lindex $argv $i]
    switch $arg {
        -b { set action "-blade" }
        -h { usage $argv0 0 }
        -l { set action "-login" }
        -p { set action "-password" }
        -x { set action "-prompt" }
        default {
            switch $action {
                -blade { set blade $arg }
                -login { set login $arg }
                -password { set password $arg }
                -prompt { set prompt $arg }
                default { set host $arg }
            }
        set action ""
        }
    }
}
if {$action != ""} {
    puts "missing arguments"
    exit 1
}
if { $host == "" } {
    usage $argv0 1
}

# start connection
spawn telnet $host

# login
expect {
    "username:" { send "$login\r" }
    timeout { send_user "connection to host failed\n"; exit 1 }
    eof { send_user "connection to host failed\n"; exit 1 }
}


# password
expect {
    "password:" { send "$password\r" }
    timeout { send_user "connection to host failed\n"; exit 1 }
    eof { send_user "connection to host failed\n"; exit 1 }
}

expect {
    "$prompt" { send "mt -b $blade\r" }
    "username:" { send_user "connection to host failed\n"; exit 1 }
}

expect {
    "OK" { send "exit\r" }
    "$prompt" { send_user "error\n"; exit 1 }
}

send_user "\n"
exit 0
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