lib/tip.exp

   1 # Copyright (C) 1992-2019, 2020 Free Software Foundation, Inc.
   2 #
   3 # This file is part of DejaGnu.
   4 #
   5 # DejaGnu is free software; you can redistribute it and/or modify it
   6 # under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # DejaGnu is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with DejaGnu; if not, write to the Free Software Foundation,
  17 # Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  18
  19 # Connect to HOSTNAME using tip(1).  Sets the board's fileid field
  20 # with the spawn_id on success and returns the spawn id, otherwise
  21 # returns -1.
  22 #
  23 proc tip_open { hostname } {
  24     global verbose
  25     global spawn_id
  26
  27     set tries 0
  28     set result -1
  29
  30     if {[board_info $hostname exists name]} {
  31         set hostname [board_info $hostname name]
  32     }
  33     set port [board_info $hostname tipname]
  34     if {[board_info $hostname exists shell_prompt]} {
  35         set shell_prompt [board_info $hostname shell_prompt]
  36     } else {
  37         # Pick something reasonably generic.
  38         set shell_prompt ".*> "
  39     }
  40
  41     if {[board_info $hostname exists fileid]} {
  42         unset board_info($hostname,fileid)
  43     }
  44     spawn tip -v $port
  45     if { $spawn_id < 0 } {
  46         perror "invalid spawn id from tip"
  47         return -1
  48     }
  49     expect {
  50         -re ".*connected.*$" {
  51             send "\r\n"
  52             expect {
  53                 -re ".*$shell_prompt.*$" {
  54                     verbose "Got prompt\n"
  55                     set result 0
  56                     incr tries
  57                 }
  58                 timeout {
  59                     warning "Never got prompt."
  60                     set result -1
  61                     incr tries
  62                     if { $tries <= 2 } {
  63                         exp_continue
  64                     }
  65                 }
  66             }
  67         }
  68         -re "all ports busy.*$" {
  69             set result -1
  70             perror "All ports busy."
  71             incr tries
  72             if { $tries <= 2 } {
  73                 exp_continue
  74             }
  75         }
  76         -re "Connection Closed.*$" {
  77             perror "Never connected."
  78             set result -1
  79             incr tries
  80             if { $tries <= 2 } {
  81                 exp_continue
  82             }
  83         }
  84         -re ".*: Permission denied.*link down.*$" {
  85             perror "Link down."
  86             set result -1
  87             incr tries
  88         }
  89         timeout {
  90             perror "Timed out trying to connect."
  91             set result -1
  92             incr tries
  93             if { $tries <= 2 } {
  94                 exp_continue
  95             }
  96         }
  97         eof {
  98             perror "Got unexpected EOF from tip."
  99             set result -1
 100             incr tries
 101         }
 102     }
 103
 104     send "\n~s"
 105     expect {
 106         "~\[set\]*" {
 107             verbose "Setting verbose mode" 1
 108             send "verbose\n\n\n"
 109         }
 110     }
 111
 112     if { $result < 0 } {
 113         perror "Couldn't connect after $tries tries."
 114         return -1
 115     } else {
 116         set board_info($hostname,fileid) $spawn_id
 117         return $spawn_id
 118     }
 119 }
 120
 121 # Download FILE to DEST using the ~put command in tip(1).
 122 # Returns -1 if an error occurred, otherwise returns 0.
 123 #
 124 proc tip_download { dest file args } {
 125     global verbose
 126     global decimal
 127     global expect_out
 128
 129     if {[board_info $dest exists shell_prompt]} {
 130         set shell_prompt [board_info $dest shell_prompt]
 131     } else {
 132         set shell_prompt ".*>"
 133     }
 134
 135     set result ""
 136     if {![board_info $dest exists fileid]} {
 137         perror "tip_download: no connection to $dest."
 138         return $result
 139     }
 140     set shell_id [board_info $dest fileid]
 141
 142     if {![file exists $file]} {
 143         perror "$file doesn't exist."
 144         return $result
 145     }
 146
 147     send -i $shell_id "\n~p"
 148     expect {
 149         -i $shell_id "~\[put\]*" {
 150             verbose "Downloading $file, please wait" 1
 151             send -i $shell_id "$file\n"
 152             set timeout 50
 153             expect {
 154                 -i $shell_id -re ".*$file.*$" {
 155                     exp_continue
 156                 }
 157                 -i $shell_id -re ".*lines transferred in.*minute.*seconds.*$shell_prompt.*$" {
 158                     verbose "Download $file successfully" 1
 159                     set result $file
 160                 }
 161                 -i $shell_id -re ".*Invalid command.*$shell_prompt$" {
 162                     warning "Got an invalid command to the remote shell."
 163                 }
 164                 -i $shell_id -re ".*$decimal\r" {
 165                     if {[info exists expect_out(buffer)]} {
 166                         verbose $expect_out(buffer)
 167                         exp_continue
 168                     }
 169                 }
 170                 -i $shell_id timeout {
 171                     perror "Timed out trying to download."
 172                 }
 173             }
 174         }
 175         timeout {
 176             perror "Timed out waiting for response to put command."
 177         }
 178     }
 179     set timeout 10
 180     return $result
 181 }