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emellor@ewan
3e500e67eb
missing import inside blkif. Fix the command parsing for op_device_destroy and op_device_configure -- the device IDs should be strings, to allow the user to specify devices by name as well as number. This is the second half to the fixes for bug #315. Signed-off-by: Ewan Mellor <ewan@xensource.com>
98 lines
3.1 KiB
Python
98 lines
3.1 KiB
Python
#============================================================================
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of version 2.1 of the GNU Lesser General Public
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# License as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#============================================================================
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# Copyright (C) 2004, 2005 Mike Wray <mike.wray@hp.com>
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#============================================================================
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import types
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from xen.xend import sxp
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from xen.xend import PrettyPrint
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from xen.xend.Args import ArgError
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from xen.xend.XendError import XendError
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from xen.xend.XendLogging import log
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import resource
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import http
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import httpserver
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def uri_pathlist(p):
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"""Split a path into a list.
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p path
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return list of path elements
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"""
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l = []
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for x in p.split('/'):
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if x == '': continue
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l.append(x)
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return l
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class SrvBase(resource.Resource):
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"""Base class for services.
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"""
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def use_sxp(self, req):
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return req.useSxp()
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def get_op_method(self, op):
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"""Get the method for an operation.
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For operation 'foo' looks for 'op_foo'.
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op operation name
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returns method or None
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"""
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op_method_name = 'op_' + op
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return getattr(self, op_method_name, None)
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def perform(self, req):
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"""General operation handler for posted operations.
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For operation 'foo' looks for a method op_foo and calls
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it with op_foo(op, req). Replies with code 500 if op_foo
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is not found.
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The method must return a list when req.use_sxp is true
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and an HTML string otherwise (or list).
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Methods may also return a ThreadRequest (for incomplete processing).
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req request
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"""
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op = req.args.get('op')
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if op is None or len(op) != 1:
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req.setResponseCode(http.NOT_ACCEPTABLE, "Invalid request")
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return ''
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op = op[0]
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op_method = self.get_op_method(op)
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if op_method is None:
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req.setResponseCode(http.NOT_IMPLEMENTED, "Operation not implemented: " + op)
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req.setHeader("Content-Type", "text/plain")
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req.write("Operation not implemented: " + op)
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return ''
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else:
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try:
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return op_method(op, req)
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except Exception, exn:
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log.exception("Request %s failed.", op)
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if req.useSxp():
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return ['xend.err', str(exn)]
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else:
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return "<p>%s</p>" % str(exn)
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def print_path(self, req):
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"""Print the path with hyperlinks.
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"""
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req.printPath()
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