def main():
s = socket.socket() # Create a socket object.
host = socket.getfqdn() # Get local machine name.
parser = argparse.ArgumentParser() #creating a parser
parser.add_argument("-A", choices=['image', 'altdemo', 'myapp', 'quotes', 'chat', 'cookie'],
help='Choose which app you would like to run')
parser.add_argument("-p", type=int, help="Choose the port you would like to run on.")
args = parser.parse_args()
#Check to see if a port is specified
if args.p == None:
port = random.randint(8000, 9999) #Creating WSGI app
s.bind((host, port))
else:
port = args.p
s.bind((host, port))
if args.A == 'myapp':
wsgi_app = make_app()
elif args.A == "image":
imageapp.setup()
p = imageapp.create_publisher()
wsgi_app = quixote.get_wsgi_app()
elif args.A == "altdemo":
p = create_publisher()
wsgi_app = quixote.get_wsgi_app()
elif args.A == "quotes":
directory_path = './quotes/'
wsgi_app = quotes.create_quotes_app(directory_path + 'quotes.txt', directory_path + 'html')
elif args.A == "chat":
wsgi_app = chat.create_chat_app('./chat/html')
elif args.A == "cookie":
wsgi_app = make_cookie_app()
else:
wsgi_app = make_app() #In the event that no argument is passed just make my_app
print 'Starting server on', host, port
print 'The Web server URL for this would be http://%s:%d/' % (host, port)
s.listen(5) #wait for client connection
print 'Entering infinite loop; hit CTRL+C to exit'
while True:
#Establish a connection with the client
c, (client_host, client_port) = s.accept()
print 'Got connection from', client_host, client_port
handle_connection(c, wsgi_app)
#handle connection(c, validate_app)
return
def handle_connection(conn, host, port, appname):
environ = {}
request = conn.recv(1)
# This will get all the headers
while request[-4:] != "\r\n\r\n":
new = conn.recv(1)
if new == "":
return
else:
request += new
request, data = request.split("\r\n", 1)
headers = {}
for line in data.split("\r\n")[:-2]:
key, val = line.split(": ", 1)
headers[key.lower()] = val
first_line_of_request_split = request.split("\r\n")[0].split(" ")
# Path is the second element in the first line of the request
# separated by whitespace. (Between GET and HTTP/1.1). GET/POST is first.
http_method = first_line_of_request_split[0]
environ["REQUEST_METHOD"] = first_line_of_request_split[0]
try:
parsed_url = urlparse.urlparse(first_line_of_request_split[1])
environ["PATH_INFO"] = parsed_url[2]
env["QUERY_STRING"] = parsed_url[4]
except:
pass
urlInfo = urlparse.urlparse(request.split(" ", 3)[1])
environ["REQUEST_METHOD"] = "GET"
environ["PATH_INFO"] = urlInfo[2]
environ["QUERY_STRING"] = urlInfo[4]
environ["CONTENT_TYPE"] = "text/html"
environ["CONTENT_LENGTH"] = str(0)
environ["SCRIPT_NAME"] = ""
environ["SERVER_NAME"] = socket.getfqdn()
environ["SERVER_PORT"] = str(port)
environ["wsgi.version"] = (1, 0)
environ["wsgi.errors"] = sys.stderr
environ["wsgi.multithread"] = False
environ["wsgi.multiprocess"] = False
environ["wsgi.run_once"] = False
environ["wsgi.url_scheme"] = "http"
environ["HTTP_COOKIE"] = headers["cookie"] if "cookie" in headers.keys() else ""
def start_response(status, response_headers):
conn.send("HTTP/1.0 ")
conn.send(status)
conn.send("\r\n")
for pair in response_headers:
key, header = pair
conn.send(key + ": " + header + "\r\n")
conn.send("\r\n")
content = ""
if request.startswith("POST "):
environ["REQUEST_METHOD"] = "POST"
environ["CONTENT_LENGTH"] = str(headers["content-length"])
try:
environ["CONTENT_TYPE"] = headers["content-type"]
except:
pass
cLen = int(headers["content-length"])
while len(content) < cLen:
content += conn.recv(1)
environ["wsgi.input"] = StringIO(content)
# Create the appropriate wsgi app based on the command-line parameter
if appname == "image":
try:
# Sometimes this gets called multiple times. Blergh.
p = imageapp.create_publisher()
imageapp.setup()
except RuntimeError:
pass
wsgi_app = quixote.get_wsgi_app()
elif appname == "myapp":
wsgi_app = app.make_app()
elif appname == "altdemo":
try:
p = quixote.demo.altdemo.create_publisher()
except RuntimeError:
pass
wsgi_app = quixote.get_wsgi_app()
elif appname == "quotes":
# The quotes files are in the 'quotes' subdirectory
directory_path = "./quotes/"
wsgi_app = quotes.create_quotes_app(directory_path + "quotes.txt", directory_path + "html")
elif appname == "chat":
# The chat files are in the 'quotes' subdirectory
wsgi_app = chat.create_chat_app("./chat/html")
elif appname == "cookie":
wsgi_app = cookieapp.wsgi_app
result = wsgi_app(environ, start_response)
try:
for response in result:
conn.send(response)
finally:
if hasattr(result, "close"):
result.close()
conn.close()
def handle_connection(conn, host, port, appname):
environ = {}
request = conn.recv(1)
# This will get all the headers
while request[-4:] != '\r\n\r\n':
new = conn.recv(1)
if new == '':
return
else:
request += new
request, data = request.split('\r\n',1)
headers = {}
for line in data.split('\r\n')[:-2]:
key, val = line.split(': ', 1)
headers[key.lower()] = val
first_line_of_request_split = request.split('\r\n')[0].split(' ')
# Path is the second element in the first line of the request
# separated by whitespace. (Between GET and HTTP/1.1). GET/POST is first.
http_method = first_line_of_request_split[0]
environ['REQUEST_METHOD'] = first_line_of_request_split[0]
try:
parsed_url = urlparse.urlparse(first_line_of_request_split[1])
environ['PATH_INFO'] = parsed_url[2]
env['QUERY_STRING'] = parsed_url[4]
except:
pass
urlInfo = urlparse.urlparse(request.split(' ', 3)[1])
environ['REQUEST_METHOD'] = 'GET'
environ['PATH_INFO'] = urlInfo[2]
environ['QUERY_STRING'] = urlInfo[4]
environ['CONTENT_TYPE'] = 'text/html'
environ['CONTENT_LENGTH'] = str(0)
environ['SCRIPT_NAME'] = ''
environ['SERVER_NAME'] = socket.getfqdn()
environ['SERVER_PORT'] = str(port)
environ['wsgi.version'] = (1, 0)
environ['wsgi.errors'] = sys.stderr
environ['wsgi.multithread'] = False
environ['wsgi.multiprocess'] = False
environ['wsgi.run_once'] = False
environ['wsgi.url_scheme'] = 'http'
environ['HTTP_COOKIE'] = headers['cookie'] if 'cookie' in headers.keys() else ''
def start_response(status, response_headers):
conn.send('HTTP/1.0 ')
conn.send(status)
conn.send('\r\n')
for pair in response_headers:
key, header = pair
conn.send(key + ': ' + header + '\r\n')
conn.send('\r\n')
content = ''
if request.startswith('POST '):
environ['REQUEST_METHOD'] = 'POST'
environ['CONTENT_LENGTH'] = str(headers['content-length'])
try:
environ['CONTENT_TYPE'] = headers['content-type']
except:
pass
cLen = int(headers['content-length'])
while len(content) < cLen:
content += conn.recv(1)
environ['wsgi.input'] = StringIO(content)
# Create the appropriate wsgi app based on the command-line parameter
if appname == "image":
try:
# Sometimes this gets called multiple times. Blergh.
p = imageapp.create_publisher()
imageapp.setup()
except RuntimeError:
pass
wsgi_app = quixote.get_wsgi_app()
elif appname == "myapp":
wsgi_app = app.make_app()
elif appname == "altdemo":
try:
p = quixote.demo.altdemo.create_publisher()
except RuntimeError:
pass
wsgi_app = quixote.get_wsgi_app()
elif appname == "quotes":
# The quotes files are in the 'quotes' subdirectory
directory_path = './quotes/'
wsgi_app = quotes.create_quotes_app(directory_path + 'quotes.txt', directory_path + 'html')
elif appname == "chat":
# The chat files are in the 'quotes' subdirectory
wsgi_app = chat.create_chat_app('./chat/html')
elif appname == "cookie":
wsgi_app = cookieapp.wsgi_app
result = wsgi_app(environ, start_response)
try:
for response in result:
conn.send(response)
finally:
if hasattr(result, 'close'):
result.close()
conn.close()
def handle_connection(conn, port, wsgi_app):
"""Takes a socket connection, and serves a WSGI app over it.
Connection is closed when app is served."""
# Start reading in data from the connection
req = conn.recv(1)
count = 0
env = {}
while req[-4:] != '\r\n\r\n':
new = conn.recv(1)
if new == '':
return
else:
req += new
# Parse the headers we've received
req, data = req.split('\r\n',1)
headers = {}
for line in data.split('\r\n')[:-2]:
key, val = line.split(': ', 1)
headers[key.lower()] = val
# Parse the path and related env info
urlInfo = urlparse(req.split(' ', 3)[1])
env['REQUEST_METHOD'] = 'GET'
env['PATH_INFO'] = urlInfo[2]
env['QUERY_STRING'] = urlInfo[4]
env['CONTENT_TYPE'] = 'text/html'
env['CONTENT_LENGTH'] = str(0)
env['SCRIPT_NAME'] = ''
env['SERVER_NAME'] = socket.getfqdn()
env['SERVER_PORT'] = str(port)
env['wsgi.version'] = (1, 0)
env['wsgi.errors'] = stderr
env['wsgi.multithread'] = False
env['wsgi.multiprocess'] = False
env['wsgi.run_once'] = False
env['wsgi.url_scheme'] = 'http'
env['HTTP_COOKIE'] = headers['cookie'] if 'cookie' in headers.keys() else ''
# Start response function for WSGI interface
def start_response(status, response_headers):
"""Send the initial HTTP header, with status code
and any other provided headers"""
# Send HTTP status
conn.send('HTTP/1.0 ')
conn.send(status)
conn.send('\r\n')
# Send the response headers
for pair in response_headers:
key, header = pair
conn.send(key + ': ' + header + '\r\n')
conn.send('\r\n')
# If we received a POST request, collect the rest of the data
content = ''
if req.startswith('POST '):
# Set up extra env variables
env['REQUEST_METHOD'] = 'POST'
env['CONTENT_LENGTH'] = str(headers['content-length'])
env['CONTENT_TYPE'] = headers['content-type']
# Continue receiving content up to content-length
cLen = int(headers['content-length'])
while len(content) < cLen:
content += conn.recv(1)
env['wsgi.input'] = StringIO(content)
if wsgi_app == "image":
from imageapp import create_publisher
imageapp.setup()
try:
p = imageapp.create_publisher()
except RuntimeError:
pass
wsgi_app = quixote.get_wsgi_app()
elif wsgi_app == "myapp":
from app import make_app
wsgi_app = make_app()
elif wsgi_app == "altdemo":
from quixote.demo.altdemo import create_publisher
try:
p = create_publisher()
except RuntimeError:
pass
wsgi_app = quixote.get_wsgi_app()
elif wsgi_app == "quotes":
wsgi_app = quotes.create_quotes_app('./quotes/quotes.txt',
'./quotes/html')
elif wsgi_app == "chat":
wsgi_app = chat.create_chat_app('./chat/html')
## VALIDATION ##
wsgi_app = validator(wsgi_app)
result = wsgi_app(env, start_response)
# Serve the processed data
for data in result:
conn.send(data)
# Close the connection
result.close()
conn.close()
