Revision 7e9760c3 daemons/ganeti-rapi
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import ganeti.http.server |
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class RemoteApiRequestContext(object): |
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"""Data structure for Remote API requests. |
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""" |
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def __init__(self): |
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self.handler = None |
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self.handler_fn = None |
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class RemoteApiHttpServer(http.server.HttpServer): |
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"""REST Request Handler Class. |
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http.server.HttpServer.__init__(self, *args, **kwargs) |
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self._resmap = connector.Mapper() |
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def _GetRequestContext(self, req): |
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"""Returns the context for a request. |
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The context is cached in the req.private variable. |
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""" |
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if req.private is None: |
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(HandlerClass, items, args) = self._resmap.getController(req.request_path) |
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ctx = RemoteApiRequestContext() |
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ctx.handler = HandlerClass(items, args, req) |
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method = req.request_method.upper() |
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try: |
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ctx.handler_fn = getattr(ctx.handler, method) |
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except AttributeError, err: |
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raise http.HttpBadRequest() |
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req.private = ctx |
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return req.private |
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def HandleRequest(self, req): |
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"""Handles a request. |
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""" |
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(HandlerClass, items, args) = self._resmap.getController(req.request_path) |
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handler = HandlerClass(items, args, req) |
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method = req.request_method.upper() |
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try: |
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fn = getattr(handler, method) |
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except AttributeError, err: |
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raise http.HttpBadRequest() |
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ctx = self._GetRequestContext(req) |
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try: |
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result = fn() |
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sn = handler.getSerialNumber() |
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result = ctx.handler_fn()
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sn = ctx.handler.getSerialNumber()
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if sn: |
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req.response_headers[http.HTTP_ETAG] = str(sn) |
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except: |
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