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