sfa/server/SfaSliceMgrModPython.py

   1 #
   2 # Apache mod_python interface
   3 #
   4 # Aaron Klingaman <alk@absarokasoft.com>
   5 # Mark Huang <mlhuang@cs.princeton.edu>
   6 #
   7 # Copyright (C) 2004-2006 The Trustees of Princeton University
   8 #
   9
  10 import sys
  11 import traceback
  12 import xmlrpclib
  13 from mod_python import apache
  14
  15 from sfa.plc.api import SfaAPI
  16 from sfa.util.debug import log
  17
  18 api = SfaAPI(interface='slicemgr')
  19
  20 class unbuffered:
  21     """\r
  22     Write to /var/log/httpd/error_log. See\r
  23 \r
  24     http://www.modpython.org/FAQ/faqw.py?req=edit&file=faq02.003.htp\r
  25     """\r
  26 \r
  27     def write(self, data):\r
  28         sys.stderr.write(data)\r
  29         sys.stderr.flush()\r
  30 \r
  31 #log = unbuffered()
  32
  33 def handler(req):
  34     try:
  35         if req.method != "POST":
  36             req.content_type = "text/html"
  37             req.send_http_header()
  38             req.write("""
  39 <html><head>
  40 <title>SFA SliceMgr API XML-RPC/SOAP Interface</title>
  41 </head><body>
  42 <h1>SFA SliceMgr API XML-RPC/SOAP Interface</h1>
  43 <p>Please use XML-RPC or SOAP to access the SFA API.</p>
  44 </body></html>
  45 """)
  46             return apache.OK
  47
  48         # Read request
  49         request = req.read(int(req.headers_in['content-length']))
  50
  51         # mod_python < 3.2: The IP address portion of remote_addr is
  52         # incorrect (always 0.0.0.0) when IPv6 is enabled.
  53         # http://issues.apache.org/jira/browse/MODPYTHON-64?page=all
  54         (remote_ip, remote_port) = req.connection.remote_addr
  55         remote_addr = (req.connection.remote_ip, remote_port)
  56
  57         # Handle request
  58         response = api.handle(remote_addr, request)
  59
  60         # Write response
  61         req.content_type = "text/xml; charset=" + api.encoding
  62         req.send_http_header()
  63         req.write(response)
  64
  65         return apache.OK
  66
  67     except Exception, err:
  68         # Log error in /var/log/httpd/(ssl_)?error_log
  69         print >> log, err, traceback.format_exc()
  70         return apache.HTTP_INTERNAL_SERVER_ERROR