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[/] [or1k/] [trunk/] [insight/] [dejagnu/] [lib/] [kermit.exp] - Rev 1776
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# Copyright (C) 92, 93, 94, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
# Please email any bugs, comments, and/or additions to this file to:
# bug-dejagnu@prep.ai.mit.edu
#
# Connect to DEST using kermit. Note that we're just using kermit as a
# simple serial or network connect program; we don't actually use Kermit
# protocol to do downloads.
# returns -1 if it failed, otherwise it returns
# the spawn_id.
#
proc kermit_open { dest args } {
global spawn_id
global board_info
if [board_info $dest exists name] {
set dest [board_info $dest name];
}
if [board_info ${dest} exists serial] {
set port [board_info ${dest} serial];
set device "-l [board_info ${dest} serial]"
if [board_info ${dest} exists baud] {
append device " -b [board_info ${dest} baud]"
}
} else {
set port [board_info ${dest} netport];
set device "-j [board_info ${dest} netport]";
}
set tries 0
set result -1
verbose "kermit $device"
eval spawn kermit $device
if { $spawn_id < 0 } {
perror "invalid spawn id from kermit"
return -1
}
expect {
-re ".*ermit.*>.*$" {
send "c\n"
expect {
-re "Connecting to.*$port.*Type the escape character followed by C to.*options.*\[\r\n\]$" {
verbose "Got prompt\n"
set result 0
incr tries
}
timeout {
warning "Never got prompt from Kermit."
set result -1
incr tries
if { $tries <= 2 } {
exp_continue
}
}
}
}
-re "Connection Closed.*$" {
perror "Never connected."
set result -1
incr tries
if { $tries <= 2 } {
exp_continue
}
}
timeout {
warning "Timed out trying to connect."
set result -1
incr tries
if { $tries<=2 } {
exp_continue
}
}
}
if { $result < 0 } {
perror "Couldn't connect after $tries tries."
if [info exists board_info($dest,fileid)] {
unset board_info($dest,fileid);
}
return -1
} else {
verbose "Kermit connection established with spawn_id $spawn_id."
set board_info($dest,fileid) $spawn_id
kermit_command $dest "set file type binary" "set transfer display none"
if [board_info $dest exists transmit_pause] {
kermit_command $dest "set transmit pause [board_info $dest transmit_pause]"
}
return $spawn_id
}
}
#
# Send a list of commands to the Kermit session connected to DEST.
#
proc kermit_command { dest args } {
if [board_info $dest exists name] {
set dest [board_info $dest name];
}
set shell_id [board_info $dest fileid];
# Sometimes we have to send multiple ^\c sequences. Don't know
# why.
set timeout 2;
for { set i 1; } {$i<=5} {incr i} {
send -i $shell_id "c";
expect {
-i $shell_id -re ".*Back at.*ermit.*>.*$" { set i 10;}
-i $shell_id timeout {
if { $i > 2 } {
warning "Unable to get prompt from kermit.";
}
}
}
}
foreach command $args {
set timeout 120
send -i $shell_id "${command}\r";
expect {
-i $shell_id -re ".*ermit.*>.*$" { }
-i $shell_id timeout {
perror "Response failed from kermit.";
return -1;
}
}
}
send -i $shell_id "c\r";
expect {
-i $shell_id -re ".*other options.\[\r\n\]+" { }
-i $shell_id timeout {
perror "Unable to resume kermit connection.";
return -1;
}
}
return 0;
}
#
# Send STRING to DEST.
#
proc kermit_send { dest string args } {
if [board_info $dest exists transmit_pause] {
set f [open "/tmp/fff" "w"];
puts -nonewline $f "$string";
close $f;
set result [remote_transmit $dest /tmp/fff];
remote_file build delete "/tmp/fff";
return "$result";
} else {
return [standard_send $dest $string];
}
}
#
# Transmit FILE directly to DEST as raw data. No translation is
# performed.
#
proc kermit_transmit { dest file args } {
if [board_info $dest exists transmit_pause] {
kermit_command $dest "transmit $file";
return "";
} else {
return [standard_transmit $dest $file];
}
}
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