--- /dev/null
+#
+# Apache mod_python interface for JSON requests
+#
+# Aaron Klingaman <alk@absarokasoft.com>
+# Mark Huang <mlhuang@cs.princeton.edu>
+#
+# Copyright (C) 2004-2006 The Trustees of Princeton University
+# $Id$
+# $URL$
+#
+
+import sys
+import traceback
+import xmlrpclib
+from mod_python import apache
+
+from PLC.Debug import log
+
+from PLC.API import PLCAPI
+api = PLCAPI()
+
+def handler(req):
+ try:
+ if req.method != "POST":
+ req.content_type = "text/html"
+ req.send_http_header()
+ req.write("""
+<html><head>
+<title>PLCAPI JSON Interface</title>
+</head><body>
+<h1>PLCAPI JSON Interface</h1>
+<p>Please POST JSON to access the PLCAPI.</p>
+</body></html>
+""")
+ return apache.OK
+
+ # Read request
+ request = req.read(int(req.headers_in['content-length']))
+
+ # mod_python < 3.2: The IP address portion of remote_addr is
+ # incorrect (always 0.0.0.0) when IPv6 is enabled.
+ # http://issues.apache.org/jira/browse/MODPYTHON-64?page=all
+ (remote_ip, remote_port) = req.connection.remote_addr
+ remote_addr = (req.connection.remote_ip, remote_port)
+
+ # Handle request
+ response = api.handle_json(remote_addr, request)
+
+ # Shut down database connection, otherwise up to MaxClients DB
+ # connections will remain open.
+ api.db.close()
+
+ # Write response
+ req.content_type = "text/json; charset=" + api.encoding
+ req.send_http_header()
+ req.write(response)
+
+ return apache.OK
+
+ except Exception, err:
+ # Log error in /var/log/httpd/(ssl_)?error_log
+ print >> log, err, traceback.format_exc()
+ return apache.HTTP_INTERNAL_SERVER_ERROR
import string
import xmlrpclib
+import simplejson
+try:
+ # Try to use jsonlib before using simpljson. This is a hack to get around
+ # the fact that the version of simplejson avaialble for f8 is slightly
+ # faster than xmlrpc but not as fast as jsonlib. There is no jsonlib
+ # pacakge available for f8, so this has to be installed manually and
+ # is not expected to always be available. Remove this once we move away
+ # from f8 based MyPLC's
+ import jsonlib
+ json = jsonlib
+except:
+ json = simplejson
# See "2.2 Characters" in the XML specification:
#
data = buildSOAP(kw = {'%sResponse' % method: {'Result': result}}, encoding = self.encoding)
return data
+
+ def handle_json(self, source, data):
+ """
+ Handle a JSON request
+ """
+ method, args = json.loads(data)
+ try:
+ result = self.call(source, method, *args)
+ except Exception, e:
+ result = str(e)
+
+ return json.dumps(result)
+
+
git://git.onelab.eu / plcapi.git / commitdiff