blob: 63e4e8c6b952f3e4e0fd5189c71213e9b1b76830 [file] [log] [blame]
'''
Created on Aug 15, 2017
@author: sw6830
'''
import os
import posixpath
import BaseHTTPServer
import urllib
import urlparse
import cgi, sys, shutil, mimetypes
from jsonschema import validate
import jsonschema, json
import DcaeVariables
import SimpleHTTPServer
from robot.api import logger
try:
from cStringIO import StringIO
except ImportError:
from StringIO import StringIO
EvtSchema = None
DMaaPHttpd = None
def cleanUpEvent():
sz = DcaeVariables.VESEventQ.qsize()
for i in range(sz):
try:
self.evtQueue.get_nowait()
except:
pass
def enqueEvent(evt):
if DcaeVariables.VESEventQ != None:
try:
DcaeVariables.VESEventQ.put(evt)
if DcaeVariables.IsRobotRun:
logger.console("DMaaP Event enqued - size=" + str(len(evt)))
else:
print ("DMaaP Event enqueued - size=" + str(len(evt)))
return True
except Exception as e:
print (str(e))
return False
return False
def dequeEvent(waitSec=25):
if DcaeVariables.IsRobotRun:
logger.console("Enter DequeEvent")
try:
evt = DcaeVariables.VESEventQ.get(True, waitSec)
if DcaeVariables.IsRobotRun:
logger.console("DMaaP Event dequeued - size=" + str(len(evt)))
else:
print("DMaaP Event dequeued - size=" + str(len(evt)))
return evt
except Exception as e:
if DcaeVariables.IsRobotRun:
logger.console(str(e))
logger.console("DMaaP Event dequeue timeout")
else:
print("DMaaP Event dequeue timeout")
return None
class DMaaPHandler(BaseHTTPServer.BaseHTTPRequestHandler):
def do_PUT(self):
self.send_response(405)
return
def do_POST(self):
respCode = 0
# Parse the form data posted
'''
form = cgi.FieldStorage(
fp=self.rfile,
headers=self.headers,
environ={'REQUEST_METHOD':'POST',
'CONTENT_TYPE':self.headers['Content-Type'],
})
form = cgi.FieldStorage(
fp=self.rfile,
headers=self.headers,
environ={"REQUEST_METHOD": "POST"})
for item in form.list:
print "%s=%s" % (item.name, item.value)
'''
if 'POST' not in self.requestline:
respCode = 405
'''
if respCode == 0:
if '/eventlistener/v5' not in self.requestline and '/eventlistener/v5/eventBatch' not in self.requestline and \
'/eventlistener/v5/clientThrottlingState' not in self.requestline:
respCode = 404
if respCode == 0:
if 'Y29uc29sZTpaakprWWpsbE1qbGpNVEkyTTJJeg==' not in str(self.headers):
respCode = 401
'''
if respCode == 0:
content_len = int(self.headers.getheader('content-length', 0))
post_body = self.rfile.read(content_len)
if DcaeVariables.IsRobotRun:
logger.console("\n" + "DMaaP Receive Event:\n" + post_body)
else:
print("\n" + "DMaaP Receive Event:")
print (post_body)
indx = post_body.index("{")
if indx != 0:
post_body = post_body[indx:]
if enqueEvent(post_body) == False:
print "enque event fails"
global EvtSchema
try:
if EvtSchema == None:
with open(DcaeVariables.CommonEventSchemaV5) as file:
EvtSchema = json.load(file)
decoded_body = json.loads(post_body)
jsonschema.validate(decoded_body, EvtSchema)
except:
respCode = 400
# Begin the response
if DcaeVariables.IsRobotRun == False:
print ("Response Message:")
'''
{
"200" : {
"description" : "Success",
"schema" : {
"$ref" : "#/definitions/DR_Pub"
}
}
rspStr = "{'responses' : {'200' : {'description' : 'Success'}}}"
rspStr1 = "{'count': 1, 'serverTimeMs': 3}"
'''
if respCode == 0:
if 'clientThrottlingState' in self.requestline:
self.send_response(204)
else:
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
#self.wfile.write("{'responses' : {'200' : {'description' : 'Success'}}}")
self.wfile.write("{'count': 1, 'serverTimeMs': 3}")
self.wfile.close()
else:
self.send_response(respCode)
'''
self.end_headers()
self.wfile.write('Client: %s\n' % str(self.client_address))
self.wfile.write('User-agent: %s\n' % str(self.headers['user-agent']))
self.wfile.write('Path: %s\n' % self.path)
self.wfile.write('Form data:\n')
self.wfile.close()
# Echo back information about what was posted in the form
for field in form.keys():
field_item = form[field]
if field_item.filename:
# The field contains an uploaded file
file_data = field_item.file.read()
file_len = len(file_data)
del file_data
self.wfile.write('\tUploaded %s as "%s" (%d bytes)\n' % \
(field, field_item.filename, file_len))
else:
# Regular form value
self.wfile.write('\t%s=%s\n' % (field, form[field].value))
'''
return
def do_GET(self):
"""Serve a GET request."""
f = self.send_head()
if f:
try:
self.copyfile(f, self.wfile)
finally:
f.close()
def do_HEAD(self):
"""Serve a HEAD request."""
f = self.send_head()
if f:
f.close()
def send_head(self):
"""Common code for GET and HEAD commands.
This sends the response code and MIME headers.
Return value is either a file object (which has to be copied
to the outputfile by the caller unless the command was HEAD,
and must be closed by the caller under all circumstances), or
None, in which case the caller has nothing further to do.
"""
path = self.translate_path(self.path)
f = None
if os.path.isdir(path):
parts = urlparse.urlsplit(self.path)
if not parts.path.endswith('/'):
# redirect browser - doing basically what apache does
self.send_response(301)
new_parts = (parts[0], parts[1], parts[2] + '/',
parts[3], parts[4])
new_url = urlparse.urlunsplit(new_parts)
self.send_header("Location", new_url)
self.end_headers()
return None
for index in "index.html", "index.htm":
index = os.path.join(path, index)
if os.path.exists(index):
path = index
break
else:
return self.list_directory(path)
ctype = self.guess_type(path)
try:
# Always read in binary mode. Opening files in text mode may cause
# newline translations, making the actual size of the content
# transmitted *less* than the content-length!
f = open(path, 'rb')
except IOError:
self.send_error(404, "File not found")
return None
try:
self.send_response(200)
self.send_header("Content-type", ctype)
fs = os.fstat(f.fileno())
self.send_header("Content-Length", str(fs[6]))
self.send_header("Last-Modified", self.date_time_string(fs.st_mtime))
self.end_headers()
return f
except:
f.close()
raise
def list_directory(self, path):
"""Helper to produce a directory listing (absent index.html).
Return value is either a file object, or None (indicating an
error). In either case, the headers are sent, making the
interface the same as for send_head().
"""
try:
list = os.listdir(path)
except os.error:
self.send_error(404, "No permission to list directory")
return None
list.sort(key=lambda a: a.lower())
f = StringIO()
displaypath = cgi.escape(urllib.unquote(self.path))
f.write('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">')
f.write("<html>\n<title>Directory listing for %s</title>\n" % displaypath)
f.write("<body>\n<h2>Directory listing for %s</h2>\n" % displaypath)
f.write("<hr>\n<ul>\n")
for name in list:
fullname = os.path.join(path, name)
displayname = linkname = name
# Append / for directories or @ for symbolic links
if os.path.isdir(fullname):
displayname = name + "/"
linkname = name + "/"
if os.path.islink(fullname):
displayname = name + "@"
# Note: a link to a directory displays with @ and links with /
f.write('<li><a href="%s">%s</a>\n'
% (urllib.quote(linkname), cgi.escape(displayname)))
f.write("</ul>\n<hr>\n</body>\n</html>\n")
length = f.tell()
f.seek(0)
self.send_response(200)
encoding = sys.getfilesystemencoding()
self.send_header("Content-type", "text/html; charset=%s" % encoding)
self.send_header("Content-Length", str(length))
self.end_headers()
return f
def translate_path(self, path):
"""Translate a /-separated PATH to the local filename syntax.
Components that mean special things to the local file system
(e.g. drive or directory names) are ignored. (XXX They should
probably be diagnosed.)
"""
# abandon query parameters
path = path.split('?',1)[0]
path = path.split('#',1)[0]
# Don't forget explicit trailing slash when normalizing. Issue17324
trailing_slash = path.rstrip().endswith('/')
path = posixpath.normpath(urllib.unquote(path))
words = path.split('/')
words = filter(None, words)
path = os.getcwd()
for word in words:
if os.path.dirname(word) or word in (os.curdir, os.pardir):
# Ignore components that are not a simple file/directory name
continue
path = os.path.join(path, word)
if trailing_slash:
path += '/'
return path
def copyfile(self, source, outputfile):
"""Copy all data between two file objects.
The SOURCE argument is a file object open for reading
(or anything with a read() method) and the DESTINATION
argument is a file object open for writing (or
anything with a write() method).
The only reason for overriding this would be to change
the block size or perhaps to replace newlines by CRLF
-- note however that this the default server uses this
to copy binary data as well.
"""
shutil.copyfileobj(source, outputfile)
def guess_type(self, path):
"""Guess the type of a file.
Argument is a PATH (a filename).
Return value is a string of the form type/subtype,
usable for a MIME Content-type header.
The default implementation looks the file's extension
up in the table self.extensions_map, using application/octet-stream
as a default; however it would be permissible (if
slow) to look inside the data to make a better guess.
"""
base, ext = posixpath.splitext(path)
if ext in self.extensions_map:
return self.extensions_map[ext]
ext = ext.lower()
if ext in self.extensions_map:
return self.extensions_map[ext]
else:
return self.extensions_map['']
if not mimetypes.inited:
mimetypes.init() # try to read system mime.types
extensions_map = mimetypes.types_map.copy()
extensions_map.update({
'': 'application/octet-stream', # Default
'.py': 'text/plain',
'.c': 'text/plain',
'.h': 'text/plain',
})
def test(HandlerClass = DMaaPHandler,
ServerClass = BaseHTTPServer.HTTPServer, protocol="HTTP/1.0", port=3904):
print "Load event schema file: " + DcaeVariables.CommonEventSchemaV5
with open(DcaeVariables.CommonEventSchemaV5) as file:
global EvtSchema
EvtSchema = json.load(file)
server_address = ('', port)
HandlerClass.protocol_version = protocol
httpd = ServerClass(server_address, HandlerClass)
global DMaaPHttpd
DMaaPHttpd = httpd
DcaeVariables.HTTPD = httpd
sa = httpd.socket.getsockname()
print "Serving HTTP on", sa[0], "port", sa[1], "..."
#httpd.serve_forever()
def _main_ (HandlerClass = DMaaPHandler,
ServerClass = BaseHTTPServer.HTTPServer, protocol="HTTP/1.0"):
if sys.argv[1:]:
port = int(sys.argv[1])
else:
port = 3904
print "Load event schema file: " + DcaeVariables.CommonEventSchemaV5
with open(DcaeVariables.CommonEventSchemaV5) as file:
global EvtSchema
EvtSchema = json.load(file)
server_address = ('', port)
HandlerClass.protocol_version = protocol
httpd = ServerClass(server_address, HandlerClass)
sa = httpd.socket.getsockname()
print "Serving HTTP on", sa[0], "port", sa[1], "..."
httpd.serve_forever()
if __name__ == '__main__':
_main_()