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authorCamil Staps2016-04-07 17:12:57 +0200
committerCamil Staps2016-04-07 17:12:57 +0200
commit6fe6c6c7a972753d894d3107cdeb4cdd28b22125 (patch)
treef369761e5ab1b34a50a7f92160b69037e74fcdee /project1/proj1_s4498062/webhttp
parentPersistent connections tests project 1 (diff)
Project 1: fix line endings
Diffstat (limited to 'project1/proj1_s4498062/webhttp')
-rw-r--r--project1/proj1_s4498062/webhttp/__init__.py18
-rw-r--r--project1/proj1_s4498062/webhttp/message.py418
-rw-r--r--project1/proj1_s4498062/webhttp/parser.py124
-rw-r--r--project1/proj1_s4498062/webhttp/resource.py226
-rw-r--r--project1/proj1_s4498062/webhttp/server.py236
5 files changed, 511 insertions, 511 deletions
diff --git a/project1/proj1_s4498062/webhttp/__init__.py b/project1/proj1_s4498062/webhttp/__init__.py
index d501a0e..0d5a9ab 100644
--- a/project1/proj1_s4498062/webhttp/__init__.py
+++ b/project1/proj1_s4498062/webhttp/__init__.py
@@ -1,9 +1,9 @@
-"""HTTP Package
-
-This package contains the following modules:
- * message: Module for HTTP responses/requests
- * composer: Module for composing responses to requests
- * parser: Module for parsing HTTP responses/requests
- * util: Module with utility functions
- * server: Module which contains a HTTP server
-"""
+"""HTTP Package
+
+This package contains the following modules:
+ * message: Module for HTTP responses/requests
+ * composer: Module for composing responses to requests
+ * parser: Module for parsing HTTP responses/requests
+ * util: Module with utility functions
+ * server: Module which contains a HTTP server
+"""
diff --git a/project1/proj1_s4498062/webhttp/message.py b/project1/proj1_s4498062/webhttp/message.py
index 2e1a962..393236e 100644
--- a/project1/proj1_s4498062/webhttp/message.py
+++ b/project1/proj1_s4498062/webhttp/message.py
@@ -1,209 +1,209 @@
-"""HTTP Messages
-
-This modules contains classes for representing HTTP responses and requests.
-"""
-
-import re
-
-import encodings
-import regexes as r
-import weblogging as logging
-
-reasondict = {
- 100 : 'Continue',
- 101 : 'Switching Protocols',
- 200 : 'OK',
- 201 : 'Created',
- 202 : 'Accepted',
- 203 : 'Non-Authoritative Information',
- 204 : 'No Content',
- 205 : 'Reset Content',
- 206 : 'Partial Content',
- 300 : 'Multiple Choices',
- 301 : 'Moved Permanently',
- 302 : 'Found',
- 303 : 'See Other',
- 304 : 'Not Modified',
- 305 : 'Use Proxy',
- 307 : 'Temporary Redirect',
- 400 : 'Bad Request',
- 401 : 'Unauthorized',
- 402 : 'Payment Required',
- 403 : 'Forbidden',
- 404 : 'Not Found',
- 405 : 'Method Not Allowed',
- 406 : 'Not Acceptable',
- 407 : 'Proxy Authentication Required',
- 408 : 'Request Time-out',
- 409 : 'Conflict',
- 410 : 'Gone',
- 411 : 'Length Required',
- 412 : 'Precondition Failed',
- 413 : 'Request Entity Too Large',
- 414 : 'Request-URI Too Large',
- 415 : 'Unsupported Media Type',
- 416 : 'Requested range not satisfiable',
- 417 : 'Expectation Failed',
- 500 : 'Internal Server Error',
- 501 : 'Not Implemented',
- 502 : 'Bad Gateway',
- 503 : 'Service Unavailable',
- 504 : 'Gateway Time-out',
- 505 : 'HTTP Version not supported',
-}
-
-
-class Message(object):
- """Class that stores an HTTP Message"""
-
- def __init__(self):
- """Initialize the Message"""
- self.version = "HTTP/1.1"
- self.body = ""
- self.headers = dict()
-
- def set_header(self, name, value):
- """Add a header and its value
-
- Args:
- name (str): name of header
- value (str): value of header
- """
- self.headers[name] = str(value)
-
- def get_header(self, name):
- """Get the value of a header
-
- Args:
- name (str): name of header
-
- Returns:
- str: value of header, empty if header does not exist
- """
- if name in self.headers:
- return self.headers[name]
- else:
- return None
-
- def parse_headers(self, msg):
- for name, value in re.findall(r.MessageHeader, msg):
- self.set_header(name, value.strip())
- logging.debug("%s: %s" % (name, value.strip()))
-
- def startline(self):
- return ''
-
- def __str__(self):
- """Convert the Message to a string
-
- Returns:
- str: representation the can be sent over socket
- """
- msg = ''
- msg += '%s\r\n' % self.startline()
- msg += '\r\n'.join([k + ": " + v for k, v in self.headers.iteritems()])
- msg += '\r\n\r\n' + self.body
- return msg
-
- def __eq__(self, other):
- return self.__dict__ == other.__dict__
-
-
-class Request(Message):
- """Class that stores an HTTP request"""
-
- def __init__(self):
- """Initialize the Request"""
- super(Request, self).__init__()
- self.method = ""
- self.uri = ""
-
- def parse(self, msg):
- [reqline, rest] = msg.split('\r\n', 1)
- reqline = re.match(r.RequestLine, reqline + '\r\n')
- self.method, self.uri, self.version = reqline.groups()
-
- [headers, body] = rest.split('\r\n\r\n', 1)
- self.parse_headers(headers)
- self.body = body
-
- def encodings(self):
- requested = self.get_header('Accept-Encoding')
- if requested == None:
- return encodings.all
-
- encs = []
- requested = re.split(r.EncodingSplit, requested)
- for value in requested:
- try:
- match = re.match(r.AcceptEncodingValue, value)
- if match == None:
- return [encodings.IDENTITY]
- enc, q = match.groups()
- # Unclear what should happen when some qvalues are omitted
- q = q or '0.001'
- if enc == '*':
- for enc in encodings.all:
- encs.append((encodings.get(enc), float(q)))
- else:
- encs.append((encodings.get(enc), float(q)))
- except encodings.UnknownEncodingError:
- pass
-
- rejected = [e[0] for e in encs if e[1] == 0]
- accepted = [e for e in encs if e[1] != 0]
-
- if not encodings.IDENTITY in rejected + [a[0] for a in accepted]:
- accepted.append((encodings.IDENTITY, 0.001))
-
- accepted.sort(key=lambda x:x[1], reverse=True)
- return [a[0] for a in accepted]
-
- def startline(self):
- return "%s %s %s" % (self.method, self.uri, self.version)
-
- def __str__(self):
- """Convert the Request to a string
-
- Returns:
- str: representation the can be sent over socket
- """
- return super(Request, self).__str__()
-
-
-class Response(Message):
- """Class that stores an HTTP Response"""
-
- def __init__(self):
- """Initialize the Response"""
- super(Response, self).__init__()
- self.set_header('Server', 'WebPy')
-
- def parse(self, msg):
- [respline, rest] = msg.split('\r\n', 1)
- respline = re.match(r.StatusLine, respline + '\r\n')
- self.version = respline.group(1)
- self.code = int(respline.group(2))
-
- [headers, body] = rest.split('\r\n\r\n', 1)
- self.parse_headers(headers)
- self.body = body
-
- def startline(self):
- return "%s %d %s" % (self.version, self.code, reasondict[self.code])
-
- def set_content_length(self):
- self.set_header('Content-Length', len(self.body))
-
- def decompress(self):
- self.body = encodings.decode(
- self.get_header('Content-Encoding'), self.body)
-
- def __str__(self):
- """Convert the Response to a string
-
- Returns:
- str: representation the can be sent over socket
- """
- return super(Response, self).__str__()
-
+"""HTTP Messages
+
+This modules contains classes for representing HTTP responses and requests.
+"""
+
+import re
+
+import encodings
+import regexes as r
+import weblogging as logging
+
+reasondict = {
+ 100 : 'Continue',
+ 101 : 'Switching Protocols',
+ 200 : 'OK',
+ 201 : 'Created',
+ 202 : 'Accepted',
+ 203 : 'Non-Authoritative Information',
+ 204 : 'No Content',
+ 205 : 'Reset Content',
+ 206 : 'Partial Content',
+ 300 : 'Multiple Choices',
+ 301 : 'Moved Permanently',
+ 302 : 'Found',
+ 303 : 'See Other',
+ 304 : 'Not Modified',
+ 305 : 'Use Proxy',
+ 307 : 'Temporary Redirect',
+ 400 : 'Bad Request',
+ 401 : 'Unauthorized',
+ 402 : 'Payment Required',
+ 403 : 'Forbidden',
+ 404 : 'Not Found',
+ 405 : 'Method Not Allowed',
+ 406 : 'Not Acceptable',
+ 407 : 'Proxy Authentication Required',
+ 408 : 'Request Time-out',
+ 409 : 'Conflict',
+ 410 : 'Gone',
+ 411 : 'Length Required',
+ 412 : 'Precondition Failed',
+ 413 : 'Request Entity Too Large',
+ 414 : 'Request-URI Too Large',
+ 415 : 'Unsupported Media Type',
+ 416 : 'Requested range not satisfiable',
+ 417 : 'Expectation Failed',
+ 500 : 'Internal Server Error',
+ 501 : 'Not Implemented',
+ 502 : 'Bad Gateway',
+ 503 : 'Service Unavailable',
+ 504 : 'Gateway Time-out',
+ 505 : 'HTTP Version not supported',
+}
+
+
+class Message(object):
+ """Class that stores an HTTP Message"""
+
+ def __init__(self):
+ """Initialize the Message"""
+ self.version = "HTTP/1.1"
+ self.body = ""
+ self.headers = dict()
+
+ def set_header(self, name, value):
+ """Add a header and its value
+
+ Args:
+ name (str): name of header
+ value (str): value of header
+ """
+ self.headers[name] = str(value)
+
+ def get_header(self, name):
+ """Get the value of a header
+
+ Args:
+ name (str): name of header
+
+ Returns:
+ str: value of header, empty if header does not exist
+ """
+ if name in self.headers:
+ return self.headers[name]
+ else:
+ return None
+
+ def parse_headers(self, msg):
+ for name, value in re.findall(r.MessageHeader, msg):
+ self.set_header(name, value.strip())
+ logging.debug("%s: %s" % (name, value.strip()))
+
+ def startline(self):
+ return ''
+
+ def __str__(self):
+ """Convert the Message to a string
+
+ Returns:
+ str: representation the can be sent over socket
+ """
+ msg = ''
+ msg += '%s\r\n' % self.startline()
+ msg += '\r\n'.join([k + ": " + v for k, v in self.headers.iteritems()])
+ msg += '\r\n\r\n' + self.body
+ return msg
+
+ def __eq__(self, other):
+ return self.__dict__ == other.__dict__
+
+
+class Request(Message):
+ """Class that stores an HTTP request"""
+
+ def __init__(self):
+ """Initialize the Request"""
+ super(Request, self).__init__()
+ self.method = ""
+ self.uri = ""
+
+ def parse(self, msg):
+ [reqline, rest] = msg.split('\r\n', 1)
+ reqline = re.match(r.RequestLine, reqline + '\r\n')
+ self.method, self.uri, self.version = reqline.groups()
+
+ [headers, body] = rest.split('\r\n\r\n', 1)
+ self.parse_headers(headers)
+ self.body = body
+
+ def encodings(self):
+ requested = self.get_header('Accept-Encoding')
+ if requested == None:
+ return encodings.all
+
+ encs = []
+ requested = re.split(r.EncodingSplit, requested)
+ for value in requested:
+ try:
+ match = re.match(r.AcceptEncodingValue, value)
+ if match == None:
+ return [encodings.IDENTITY]
+ enc, q = match.groups()
+ # Unclear what should happen when some qvalues are omitted
+ q = q or '0.001'
+ if enc == '*':
+ for enc in encodings.all:
+ encs.append((encodings.get(enc), float(q)))
+ else:
+ encs.append((encodings.get(enc), float(q)))
+ except encodings.UnknownEncodingError:
+ pass
+
+ rejected = [e[0] for e in encs if e[1] == 0]
+ accepted = [e for e in encs if e[1] != 0]
+
+ if not encodings.IDENTITY in rejected + [a[0] for a in accepted]:
+ accepted.append((encodings.IDENTITY, 0.001))
+
+ accepted.sort(key=lambda x:x[1], reverse=True)
+ return [a[0] for a in accepted]
+
+ def startline(self):
+ return "%s %s %s" % (self.method, self.uri, self.version)
+
+ def __str__(self):
+ """Convert the Request to a string
+
+ Returns:
+ str: representation the can be sent over socket
+ """
+ return super(Request, self).__str__()
+
+
+class Response(Message):
+ """Class that stores an HTTP Response"""
+
+ def __init__(self):
+ """Initialize the Response"""
+ super(Response, self).__init__()
+ self.set_header('Server', 'WebPy')
+
+ def parse(self, msg):
+ [respline, rest] = msg.split('\r\n', 1)
+ respline = re.match(r.StatusLine, respline + '\r\n')
+ self.version = respline.group(1)
+ self.code = int(respline.group(2))
+
+ [headers, body] = rest.split('\r\n\r\n', 1)
+ self.parse_headers(headers)
+ self.body = body
+
+ def startline(self):
+ return "%s %d %s" % (self.version, self.code, reasondict[self.code])
+
+ def set_content_length(self):
+ self.set_header('Content-Length', len(self.body))
+
+ def decompress(self):
+ self.body = encodings.decode(
+ self.get_header('Content-Encoding'), self.body)
+
+ def __str__(self):
+ """Convert the Response to a string
+
+ Returns:
+ str: representation the can be sent over socket
+ """
+ return super(Response, self).__str__()
+
diff --git a/project1/proj1_s4498062/webhttp/parser.py b/project1/proj1_s4498062/webhttp/parser.py
index 7dbb3b5..35f01e8 100644
--- a/project1/proj1_s4498062/webhttp/parser.py
+++ b/project1/proj1_s4498062/webhttp/parser.py
@@ -1,62 +1,62 @@
-"""HTTP response and request parsers
-
-This module contains parses for HTTP response and HTTP requests.
-"""
-
-import webhttp.message
-
-
-class RequestParser:
- """Class that parses a HTTP request"""
-
- def __init__(self):
- """Initialize the RequestParser"""
- self.buff = ''
-
- def parse_requests(self, buff):
- """Parse requests in a buffer
-
- Args:
- buff (str): the buffer contents received from socket
-
- Returns:
- list of webhttp.Request
- """
- self.buff += buff
- requests = self.get_requests()
-
- for request in requests:
- http_request = webhttp.message.Request()
- http_request.parse(request)
- yield http_request
-
- def get_requests(self):
- """Split multiple requests from buffer
-
- Returns:
- list of str
- """
- requests = self.buff.split('\r\n\r\n')
- self.buff = requests[-1]
- for req in requests[:-1]:
- yield req.lstrip() + '\r\n\r\n'
-
-
-class ResponseParser:
- """Class that parses a HTTP response"""
- def __init__(self):
- """Initialize the ResponseParser"""
- pass
-
- def parse_response(self, buff):
- """Parse responses in buffer
-
- Args:
- buff (str): the buffer contents received from socket
-
- Returns:
- webhttp.Response
- """
- response = webhttp.message.Response()
- response.parse(buff)
- return response
+"""HTTP response and request parsers
+
+This module contains parses for HTTP response and HTTP requests.
+"""
+
+import webhttp.message
+
+
+class RequestParser:
+ """Class that parses a HTTP request"""
+
+ def __init__(self):
+ """Initialize the RequestParser"""
+ self.buff = ''
+
+ def parse_requests(self, buff):
+ """Parse requests in a buffer
+
+ Args:
+ buff (str): the buffer contents received from socket
+
+ Returns:
+ list of webhttp.Request
+ """
+ self.buff += buff
+ requests = self.get_requests()
+
+ for request in requests:
+ http_request = webhttp.message.Request()
+ http_request.parse(request)
+ yield http_request
+
+ def get_requests(self):
+ """Split multiple requests from buffer
+
+ Returns:
+ list of str
+ """
+ requests = self.buff.split('\r\n\r\n')
+ self.buff = requests[-1]
+ for req in requests[:-1]:
+ yield req.lstrip() + '\r\n\r\n'
+
+
+class ResponseParser:
+ """Class that parses a HTTP response"""
+ def __init__(self):
+ """Initialize the ResponseParser"""
+ pass
+
+ def parse_response(self, buff):
+ """Parse responses in buffer
+
+ Args:
+ buff (str): the buffer contents received from socket
+
+ Returns:
+ webhttp.Response
+ """
+ response = webhttp.message.Response()
+ response.parse(buff)
+ return response
diff --git a/project1/proj1_s4498062/webhttp/resource.py b/project1/proj1_s4498062/webhttp/resource.py
index 9509f82..ee05fa7 100644
--- a/project1/proj1_s4498062/webhttp/resource.py
+++ b/project1/proj1_s4498062/webhttp/resource.py
@@ -1,113 +1,113 @@
-"""Resources
-
-This module contains a handler class for resources.
-"""
-
-import binascii
-import gzip
-import hashlib
-import mimetypes
-import os
-import re
-import StringIO
-import urlparse
-
-from config import config
-import encodings
-import regexes as r
-
-
-class FileExistError(Exception):
- """Exception which is raised when file does not exist"""
- pass
-
-
-class FileAccessError(Exception):
- """Exception which is raised when file exists, but cannot be accessed"""
- pass
-
-
-class Resource:
- """Class for representing a Resource (file)"""
-
- def __init__(self, uri):
- """Initialize the resource"
-
- Raises:
- FileExistError: if resource does not exist
- FileAccessError: if resource exists, but cannot be accessed
-
- Args:
- uri (str): Uniform Resource Identifier
- """
- if uri == None:
- raise FileExistError
- self.uri = uri
- out = urlparse.urlparse(uri)
- self.path = os.path.join(config('root', default='content'),
- out.path.lstrip("/"))
- if not os.path.exists(self.path):
- raise FileExistError
- if os.path.isdir(self.path):
- self.path = os.path.join(self.path,
- config('index', default='index.html'))
- if not os.path.exists(self.path):
- raise FileAccessError
- if not os.path.isfile(self.path):
- raise FileExistError
- if not os.access(self.path, os.R_OK):
- raise FileAccessError
-
- def generate_etag(self):
- """Generate the ETag for the resource
-
- Returns:
- str: ETag for the resource
- """
- stat = os.stat(self.path)
- m = hashlib.md5()
- m.update(str(stat))
- etag = binascii.hexlify(m.digest())
- return etag
-
- def etag_match(self, etag):
- if etag == None:
- return False
- my_etag = self.generate_etag()
- return etag == '*' or \
- any([tag == my_etag for tag in re.split(r.ETagSplit, etag)])
-
- def get_content(self, encoding=encodings.IDENTITY):
- """Get the contents of the resource
-
- Returns:
- str: Contents of the resource
- """
- content = open(self.path).read()
- return encodings.encode(encoding, content)
-
- def get_content_type(self):
- """Get the content type, i.e "text/html"
-
- Returns:
- str: type of content in the resource
- """
- mimetype = mimetypes.guess_type(self.path)
- return mimetype[0]
-
- def get_content_encoding(self):
- """Get the content encoding, i.e "gzip"
-
- Returns:
- str: encoding used for the resource
- """
- mimetype = mimetypes.guess_type(self.path)
- return mimetype[1]
-
- def get_content_length(self):
- """Get the length of the resource
-
- Returns:
- int: length of resource in bytes
- """
- return os.path.getsize(self.path)
+"""Resources
+
+This module contains a handler class for resources.
+"""
+
+import binascii
+import gzip
+import hashlib
+import mimetypes
+import os
+import re
+import StringIO
+import urlparse
+
+from config import config
+import encodings
+import regexes as r
+
+
+class FileExistError(Exception):
+ """Exception which is raised when file does not exist"""
+ pass
+
+
+class FileAccessError(Exception):
+ """Exception which is raised when file exists, but cannot be accessed"""
+ pass
+
+
+class Resource:
+ """Class for representing a Resource (file)"""
+
+ def __init__(self, uri):
+ """Initialize the resource"
+
+ Raises:
+ FileExistError: if resource does not exist
+ FileAccessError: if resource exists, but cannot be accessed
+
+ Args:
+ uri (str): Uniform Resource Identifier
+ """
+ if uri == None:
+ raise FileExistError
+ self.uri = uri
+ out = urlparse.urlparse(uri)
+ self.path = os.path.join(config('root', default='content'),
+ out.path.lstrip("/"))
+ if not os.path.exists(self.path):
+ raise FileExistError
+ if os.path.isdir(self.path):
+ self.path = os.path.join(self.path,
+ config('index', default='index.html'))
+ if not os.path.exists(self.path):
+ raise FileAccessError
+ if not os.path.isfile(self.path):
+ raise FileExistError
+ if not os.access(self.path, os.R_OK):
+ raise FileAccessError
+
+ def generate_etag(self):
+ """Generate the ETag for the resource
+
+ Returns:
+ str: ETag for the resource
+ """
+ stat = os.stat(self.path)
+ m = hashlib.md5()
+ m.update(str(stat))
+ etag = binascii.hexlify(m.digest())
+ return etag
+
+ def etag_match(self, etag):
+ if etag == None:
+ return False
+ my_etag = self.generate_etag()
+ return etag == '*' or \
+ any([tag == my_etag for tag in re.split(r.ETagSplit, etag)])
+
+ def get_content(self, encoding=encodings.IDENTITY):
+ """Get the contents of the resource
+
+ Returns:
+ str: Contents of the resource
+ """
+ content = open(self.path).read()
+ return encodings.encode(encoding, content)
+
+ def get_content_type(self):
+ """Get the content type, i.e "text/html"
+
+ Returns:
+ str: type of content in the resource
+ """
+ mimetype = mimetypes.guess_type(self.path)
+ return mimetype[0]
+
+ def get_content_encoding(self):
+ """Get the content encoding, i.e "gzip"
+
+ Returns:
+ str: encoding used for the resource
+ """
+ mimetype = mimetypes.guess_type(self.path)
+ return mimetype[1]
+
+ def get_content_length(self):
+ """Get the length of the resource
+
+ Returns:
+ int: length of resource in bytes
+ """
+ return os.path.getsize(self.path)
diff --git a/project1/proj1_s4498062/webhttp/server.py b/project1/proj1_s4498062/webhttp/server.py
index 5db8620..70d1dd6 100644
--- a/project1/proj1_s4498062/webhttp/server.py
+++ b/project1/proj1_s4498062/webhttp/server.py
@@ -1,118 +1,118 @@
-"""HTTP Server
-
-This module contains a HTTP server
-"""
-
-import threading
-import socket
-
-from composer import ResponseComposer
-from parser import RequestParser
-import weblogging as logging
-from config import config
-
-class ConnectionHandler(threading.Thread):
- """Connection Handler for HTTP Server"""
-
- def __init__(self, conn_socket, addr, timeout):
- """Initialize the HTTP Connection Handler
-
- Args:
- conn_socket (socket): socket used for connection with client
- addr (str): ip address of client
- timeout (int): seconds until timeout
- """
- super(ConnectionHandler, self).__init__()
- self.daemon = True
- self.conn_socket = conn_socket
- self.addr = addr
- self.timeout = timeout
- self.done = False
-
- def handle_connection(self):
- """Handle a new connection"""
- self.rp = RequestParser()
- self.rc = ResponseComposer(timeout=self.timeout)
-
- self.conn_socket.settimeout(self.timeout)
-
- try:
- while not self.done:
- data = self.conn_socket.recv(32)
- if len(data) == 0:
- break
- self.handle_data(data)
- except socket.timeout:
- logging.debug('%s connection timed out.' % self.addr[0])
- finally:
- self.conn_socket.shutdown(socket.SHUT_RDWR)
- self.conn_socket.close()
- logging.debug('%s connection closed.' % self.addr[0])
-
- def handle_data(self, data):
- for req in self.rp.parse_requests(data):
- logging.info("<-- (%s) %s" % (self.addr[0], req.startline()))
- resp = self.rc.compose_response(req)
- logging.info("--> (%s) %s" % (self.addr[0], resp.startline()))
- self.send(resp)
-
- if resp.get_header('Connection') == 'close':
- self.done = True
- return
-
- def send(self, data):
- sent = self.conn_socket.send(str(data))
- if sent == 0:
- raise RuntimeError('Socket broken')
-
- def run(self):
- """Run the thread of the connection handler"""
- try:
- self.handle_connection()
- except socket.error, e:
- logging.error('Error in handling connection with %s: %s' %
- (self.addr[0], str(e)))
-
-
-class Server:
- """HTTP Server"""
-
- def __init__(self, configfile, **kwargs):
- """Initialize the HTTP server
-
- Args:
- hostname (str): hostname of the server
- server_port (int): port that the server is listening on
- timeout (int): seconds until timeout
- """
- self.read_config(configfile, **kwargs)
- self.done = False
-
- def read_config(self, configfile, **kwargs):
- config().read(configfile)
-
- if not config().has_section('webhttp'):
- config().add_section('webhttp')
-
- for name, val in kwargs.items():
- if val != None:
- config().set('webhttp', name, str(val))
-
- def run(self):
- """Run the HTTP Server and start listening"""
- self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
- self.socket.bind((config('hostname', default='localhost'),
- config('port', type=int, default=8001)))
- self.socket.listen(config('max_connections', type=int, default=1000))
- while not self.done:
- (csocket, addr) = self.socket.accept()
- logging.debug('%s connection accepted.' % addr[0])
- ch = ConnectionHandler(csocket, addr, config('timeout', type=int))
- ch.start()
-
- def shutdown(self):
- """Safely shut down the HTTP server"""
- self.socket.shutdown(socket.SHUT_RDWR)
- self.socket.close()
- self.done = True
-
+"""HTTP Server
+
+This module contains a HTTP server
+"""
+
+import threading
+import socket
+
+from composer import ResponseComposer
+from parser import RequestParser
+import weblogging as logging
+from config import config
+
+class ConnectionHandler(threading.Thread):
+ """Connection Handler for HTTP Server"""
+
+ def __init__(self, conn_socket, addr, timeout):
+ """Initialize the HTTP Connection Handler
+
+ Args:
+ conn_socket (socket): socket used for connection with client
+ addr (str): ip address of client
+ timeout (int): seconds until timeout
+ """
+ super(ConnectionHandler, self).__init__()
+ self.daemon = True
+ self.conn_socket = conn_socket
+ self.addr = addr
+ self.timeout = timeout
+ self.done = False
+
+ def handle_connection(self):
+ """Handle a new connection"""
+ self.rp = RequestParser()
+ self.rc = ResponseComposer(timeout=self.timeout)
+
+ self.conn_socket.settimeout(self.timeout)
+
+ try:
+ while not self.done:
+ data = self.conn_socket.recv(32)
+ if len(data) == 0:
+ break
+ self.handle_data(data)
+ except socket.timeout:
+ logging.debug('%s connection timed out.' % self.addr[0])
+ finally:
+ self.conn_socket.shutdown(socket.SHUT_RDWR)
+ self.conn_socket.close()
+ logging.debug('%s connection closed.' % self.addr[0])
+
+ def handle_data(self, data):
+ for req in self.rp.parse_requests(data):
+ logging.info("<-- (%s) %s" % (self.addr[0], req.startline()))
+ resp = self.rc.compose_response(req)
+ logging.info("--> (%s) %s" % (self.addr[0], resp.startline()))
+ self.send(resp)
+
+ if resp.get_header('Connection') == 'close':
+ self.done = True
+ return
+
+ def send(self, data):
+ sent = self.conn_socket.send(str(data))
+ if sent == 0:
+ raise RuntimeError('Socket broken')
+
+ def run(self):
+ """Run the thread of the connection handler"""
+ try:
+ self.handle_connection()
+ except socket.error, e:
+ logging.error('Error in handling connection with %s: %s' %
+ (self.addr[0], str(e)))
+
+
+class Server:
+ """HTTP Server"""
+
+ def __init__(self, configfile, **kwargs):
+ """Initialize the HTTP server
+
+ Args:
+ hostname (str): hostname of the server
+ server_port (int): port that the server is listening on
+ timeout (int): seconds until timeout
+ """
+ self.read_config(configfile, **kwargs)
+ self.done = False
+
+ def read_config(self, configfile, **kwargs):
+ config().read(configfile)
+
+ if not config().has_section('webhttp'):
+ config().add_section('webhttp')
+
+ for name, val in kwargs.items():
+ if val != None:
+ config().set('webhttp', name, str(val))
+
+ def run(self):
+ """Run the HTTP Server and start listening"""
+ self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+ self.socket.bind((config('hostname', default='localhost'),
+ config('port', type=int, default=8001)))
+ self.socket.listen(config('max_connections', type=int, default=1000))
+ while not self.done:
+ (csocket, addr) = self.socket.accept()
+ logging.debug('%s connection accepted.' % addr[0])
+ ch = ConnectionHandler(csocket, addr, config('timeout', type=int))
+ ch.start()
+
+ def shutdown(self):
+ """Safely shut down the HTTP server"""
+ self.socket.shutdown(socket.SHUT_RDWR)
+ self.socket.close()
+ self.done = True
+