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[errcode] Remove unused contrib/errcode scripts

The new errdb error code database is more accurate than the regular
expression-based errcode scripts.  This patch removes errcode scripts
in favor of errdb.

The gpxebot.py script is no longer needed, gpxebot has been released
as a separate open source codebase:

  http://git.etherboot.org/?p=people/stefanha/gpxebot.git;a=summary

Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Stefan Hajnoczi 2010-07-11 08:52:57 +01:00 committed by Michael Brown
parent 519a4be189
commit 232c208882
5 changed files with 0 additions and 413 deletions

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Error Code Lookup for iPXE
==========================
This program looks up iPXE error codes so you can locate the line of source
code which produced the error.
Setup
-----
You must run:
./build_errcodedb.py >errcodedb.py
This extracts error code definitions from the iPXE source code and produces a
"database" which is used by the main program.
Once you have done this errcode.py and errcodedb.py are the only files you
need. They are now independent of the iPXE source code and can be moved
anywhere.
[OPTIONAL]
A PHP script is provided as a web interface. First edit errcode.php to point
$ERRCODE_PATH to the errcode.py script. Then move errcode.php to a location
visible from your web server.
[OPTIONAL]
A simple IRC bot is provided. Edit ipxebot.py to fill in the IRC details.
Usage
-----
Looking up error codes on the command-line:
./errcode.py 0x12345678
Further information
-------------------
See http://etherboot.org/.
Released under the GPL and written by Stefan Hajnoczi <stefanha@gmail.com>.

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#!/usr/bin/env python
# Copyright (C) 2008 Stefan Hajnoczi <stefanha@gmail.com>.
#
# 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 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.
import sys
import re
pxenv_status_files = ('../../src/include/errno.h', )
errfile_files = ('../../src/include/ipxe/errfile.h',
'../../src/arch/i386/include/bits/errfile.h')
posix_errno_files = ('../../src/include/errno.h', )
PXENV_STATUS_RE = re.compile(r'^#define\s+(PXENV_STATUS_[^\s]+)\s+(.+)$', re.M)
ERRFILE_RE = re.compile(r'^#define\s+(ERRFILE_[^\s]+)\s+(.+)$', re.M)
POSIX_ERRNO_RE = re.compile(r'^#define\s+(E[A-Z0-9]+)\s+(?:\\\n)?.*(0x[0-9a-f]+).*$', re.M)
def err(msg):
sys.stderr.write('%s: %s\n' % (sys.argv[0], msg))
sys.exit(1)
def to_pxenv_status(errno):
return errno & 0xff
def to_errfile(errno):
return (errno >> 13) & 0x7ff
def to_posix_errno(errno):
return (errno >> 24) & 0x7f
def load_header_file(filename, regexp):
defines = {}
data = open(filename, 'r').read()
for m in regexp.finditer(data):
key, val = m.groups()
defines[key] = val
return defines
def evaluate(defines, expr):
pyexpr = ''
for token in expr.split():
if token in '()':
pass
elif token.startswith('/*') or token.startswith('//'):
break
elif token.startswith('0x') or token == '|':
pyexpr += token
else:
if token in defines:
pyexpr += '0x%x' % defines[token]
else:
return -1
if not re.match(r'^[0-9a-zA-Z_|]+$', pyexpr):
err('invalid expression')
return eval(pyexpr)
def build(filenames, regexp, selector):
unevaluated = {}
for filename in filenames:
unevaluated.update(load_header_file(filename, regexp))
evaluated = {}
changed = True
while changed:
changed = False
for key in list(unevaluated.keys()):
val = evaluate(evaluated, unevaluated[key])
if val != -1:
del unevaluated[key]
evaluated[key] = val
changed = True
if unevaluated:
err('unable to evaluate all #defines')
lookup = {}
for key, val in evaluated.iteritems():
lookup[selector(val)] = key
return lookup
print 'pxenv_status =', repr(build(pxenv_status_files, PXENV_STATUS_RE, to_pxenv_status))
print 'errfile =', repr(build(errfile_files, ERRFILE_RE, to_errfile))
print 'posix_errno =', repr(build(posix_errno_files, POSIX_ERRNO_RE, to_posix_errno))

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<?
/*
* Copyright (C) 2008 Stefan Hajnoczi <stefanha@gmail.com>.
*
* 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 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.
*/
// The path to the errcode.py script.
$ERRCODE_PATH = './errcode.py';
?>
<html>
<head>
<title>iPXE Error Code Lookup</title>
<style>
body, pre, div, form, p, h2, b, tt {
padding: 0;
border: 0;
margin: 0;
}
body {
padding: 0.5em;
width: 750px;
font-family: sans-serif;
}
pre {
margin: 0.2em;
padding: 0.1em;
background-color: #ddd;
}
form {
margin: 0.2em;
}
div {
margin: 0.2em;
padding: 0.4em;
border: 1px dashed black;
}
</style>
</head>
<body>
<?
if (!empty($_REQUEST['e']) && preg_match('/^(0x)?[0-9a-f]{8}$/', $_REQUEST['e'])) {
?>
<pre>
<?
system($ERRCODE_PATH . " " . $_REQUEST['e']);
?>
</pre>
<?
}
?>
<form action="" method="post">
<label for="e">Error code:</label>
<input type="text" name="e" id="e" value="0x12345678"></input>
<input type="submit" value="Lookup"></input>
</form>
<div>
<h2>Hint:</h2>
<p>
Firefox users can right-click on the <b>Error code</b>
text box and select <b>Add a Keyword for this Search...</b>.
Set <b>name</b> to <tt>iPXE Error Code Lookup</tt> and
<b>keyword</b> to <tt>gxpe</tt> Then you can look up error
codes by typing something like the following in your address
bar: <tt>ipxe 0x3c018003</tt>
<p>
</div>
</body>
</html>

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#!/usr/bin/env python
# Copyright (C) 2008 Stefan Hajnoczi <stefanha@gmail.com>.
#
# 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 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.
import sys
try:
import errcodedb
except ImportError:
sys.stderr.write('Please run this first: ./build_errcodedb.py >errcodedb.py\n')
sys.exit(1)
def to_pxenv_status(errno):
return errno & 0xff
def to_uniq(errno):
return (errno >> 8) & 0x1f
def to_errfile(errno):
return (errno >> 13) & 0x7ff
def to_posix_errno(errno):
return (errno >> 24) & 0x7f
def lookup_errno_component(defines, component):
if component in defines:
return defines[component]
else:
return '0x%x' % component
class Errcode(object):
def __init__(self, errno):
self.pxenv_status = to_pxenv_status(errno)
self.uniq = to_uniq(errno)
self.errfile = to_errfile(errno)
self.posix_errno = to_posix_errno(errno)
def rawstr(self):
return 'pxenv_status=0x%x uniq=%d errfile=0x%x posix_errno=0x%x' % (self.pxenv_status, self.uniq, self.errfile, self.posix_errno)
def prettystr(self):
return 'pxenv_status=%s uniq=%d errfile=%s posix_errno=%s' % (
lookup_errno_component(errcodedb.pxenv_status, self.pxenv_status),
self.uniq,
lookup_errno_component(errcodedb.errfile, self.errfile),
lookup_errno_component(errcodedb.posix_errno, self.posix_errno)
)
def __str__(self):
return self.prettystr()
def usage():
sys.stderr.write('usage: %s ERROR_NUMBER\n' % sys.argv[0])
sys.exit(1)
if __name__ == '__main__':
if len(sys.argv) != 2:
usage()
try:
errno = int(sys.argv[1], 16)
except ValueError:
usage()
print Errcode(errno)
sys.exit(0)

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#!/usr/bin/env python
# Copyright (C) 2008 Stefan Hajnoczi <stefanha@gmail.com>.
#
# 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 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.
import re
import socket
import errcode
HOST = 'irc.freenode.net'
PORT = 6667
NICK = 'ipxebot'
CHAN = '#etherboot'
NICKSERV_PASSWORD = None
IDENT = 'ipxebot'
REALNAME = 'iPXE bot'
ERRCODE_RE = re.compile(r'(errcode|Error)\s+((0x)?[0-9a-fA-F]{8})')
NO_ARGS = -1
handlers = {}
def nick_from_mask(mask):
return (mask.find('!') > -1 and mask.split('!', 1)[0]) or mask
def autojoin():
del handlers['376']
if NICKSERV_PASSWORD:
pmsg('nickserv', 'identify %s' % NICKSERV_PASSWORD)
if CHAN:
cmd('JOIN %s' % CHAN)
def ping(_, arg):
cmd('PONG %s' % arg)
def privmsg(_, target, msg):
if target == CHAN:
replyto = target
if msg.find(NICK) == -1:
return
elif target == NICK:
replyto = nick_from_mask(who)
m = ERRCODE_RE.search(msg)
if m:
try:
pmsg(replyto, str(errcode.Errcode(int(m.groups()[1], 16))))
except ValueError:
pass
if msg.find('help') > -1:
pmsg(replyto, 'I look up iPXE error codes. Message me like this:')
pmsg(replyto, 'errcode 0x12345678 OR Error 0x12345678')
def add_handler(command, handler, nargs):
handlers[command] = (handler, nargs)
def cmd(msg):
sock.sendall('%s\r\n' % msg)
def pmsg(target, msg):
cmd('PRIVMSG %s :%s' % (target, msg))
def dispatch(args):
command = args[0]
if command in handlers:
h = handlers[command]
if h[1] == NO_ARGS:
h[0]()
elif len(args) == h[1]:
h[0](*args)
def parse(line):
if line[0] == ':':
who, line = line.split(None, 1)
who = who[1:]
else:
who = None
args = []
while line and line[0] != ':' and line.find(' ') != -1:
fields = line.split(None, 1)
if len(fields) == 1:
fields.append(None)
arg, line = fields
args.append(arg)
if line:
if line[0] == ':':
args.append(line[1:])
else:
args.append(line)
return who, args
add_handler('376', autojoin, NO_ARGS)
add_handler('PING', ping, 2)
add_handler('PRIVMSG', privmsg, 3)
sock = socket.socket()
sock.connect((HOST, PORT))
cmd('NICK %s' % NICK)
cmd('USER %s none none :%s' % (IDENT, REALNAME))
rbuf = ''
while True:
r = sock.recv(4096)
if not r:
break
rbuf += r
while rbuf.find('\r\n') != -1:
line, rbuf = rbuf.split('\r\n', 1)
if not line:
continue
who, args = parse(line)
dispatch(args)