sys.path.append('/usr/share/plc_api')
sys.stdout = sys.stderr
import traceback
-from PLC.Debug import log
+from PLC.Logger import logger
from PLC.API import PLCAPI
-api = PLCAPI()
-
-# recipe from this page
-# http://code.google.com/p/modwsgi/wiki/DebuggingTechniques
-# let ErrorMiddleware deal with exceptions
def application(environ, start_response):
- status = '200 OK'
- if environ.get('REQUEST_METHOD') != 'POST':
- content_type = 'text/html'
- output = """
+ try:
+ status = '200 OK'
+ if environ.get('REQUEST_METHOD') != 'POST':
+ content_type = 'text/html; charset=utf-8'
+ output = """
<html><head>
<title>PLCAPI WSGI XML-RPC/SOAP Interface</title>
</head><body>
<h1>PLCAPI WSGI XML-RPC/SOAP Interface</h1>
<p>Please use XML-RPC or SOAP to access the PLCAPI.</p>
+<p>At the very least you need to use a POST method.</p>
</body></html>
"""
- else:
- api.environ = environ
- content_type = 'text/xml'
- ip = environ.get('REMOTE_ADDR')
- port = environ.get('REMOTE_PORT')
- output = api.handle((ip,port),environ.get('wsgi.input').read())
- # Shut down database connection, otherwise up to MaxClients DB
- # connections will remain open.
- api.db.close()
+ else:
+ # Thomas Dreibholz <dreibh@simula.no>
+ # Note that this function is called within multiple threads!
+ # "api" MUST be a local variable instead of a global one.
+ # Otherwise, this causes concurrent accesses to the same
+ # object within different threads!
+ api = PLCAPI()
+ api.environ = environ
+ content_type = 'text/xml; charset=utf-8'
+ ip = environ.get('REMOTE_ADDR')
+ port = environ.get('REMOTE_PORT')
+ output = api.handle((ip,port), environ.get('wsgi.input').read())
+# uncomment for debug
+# try:
+# with open("/tmp/dbgplc.log", "a") as f:
+# print(f"{ip=} {port=}\n"
+# f"{output=}",
+# file=f)
+# except Exception as exc:
+# pass
+ # Shut down database connection, otherwise up to MaxClients DB
+ # connections will remain open.
+ api.db.close()
+ except Exception as err:
+ status = '500 Internal Server Error'
+ content_type = 'text/html; charset=utf-8'
+ output = 'Internal Server Error'
+ logger.exception("INTERNAL ERROR !!")
# Write response
+ # with python3 wsgi expects a bytes object here
+ output = output.encode()
response_headers = [('Content-type', '%s' % content_type),
('Content-Length', str(len(output)))]
start_response(status, response_headers)
- return [output]
-
-from paste.exceptions.errormiddleware import ErrorMiddleware
-application = ErrorMiddleware(application, debug=True)
+ return [output]
git://git.onelab.eu / plcapi.git / blobdiff