from random import choice
+from urlparse import urlparse, urlunparse
from twisted.internet import reactor, defer
+from twisted.python import log
from twisted.trial import unittest
from twisted.web2 import stream as stream_mod
+from twisted.web2.http import splitHostPort
from HTTPDownloader import HTTPClientManager
def __init__(self):
self.clients = {}
- def get(self, location_list, method="GET", modtime=None):
- """Download from a list of peers.
+ def get(self, hash, mirror, peers = [], method="GET", modtime=None):
+ """Download from a list of peers or fallback to a mirror.
- @type location_list: C{list} of (C{string}, C{int}, C{string})
- @var location_list: a list of the locations where the file can be found
+ @type peers: C{list} of C{string}
+ @param peers: a list of the peers where the file can be found
"""
- host, port, path = choice(location_list)
+ if peers:
+ peer = choice(peers)
+ log.msg('Downloading from peer %s' % peer)
+ host, port = splitHostPort('http', peer)
+ path = '/~/' + hash
+ else:
+ log.msg('Downloading (%s) from mirror %s' % (method, mirror))
+ parsed = urlparse(mirror)
+ assert parsed[0] == "http", "Only HTTP is supported, not '%s'" % parsed[0]
+ host, port = splitHostPort(parsed[0], parsed[1])
+ path = urlunparse(('', '') + parsed[2:])
+
return self.getPeer(host, port, path, method, modtime)
def getPeer(self, host, port, path, method="GET", modtime=None):
self.manager = PeerManager()
self.timeout = 10
- host = 'www.camrdale.org'
- d = self.manager.get([(host, 80, '/robots.txt')])
- d.addCallback(self.gotResp, 1, 309)
+ host = 'www.ietf.org'
+ d = self.manager.get('', 'http://' + host + '/rfc/rfc0013.txt')
+ d.addCallback(self.gotResp, 1, 1070)
return d
def test_head(self):
self.manager = PeerManager()
self.timeout = 10
- host = 'www.camrdale.org'
- d = self.manager.get([(host, 80, '/robots.txt')], "HEAD")
+ host = 'www.ietf.org'
+ d = self.manager.get('', 'http://' + host + '/rfc/rfc0013.txt', method = "HEAD")
d.addCallback(self.gotResp, 1, 0)
return d
lastDefer = defer.Deferred()
def newRequest(host, path, num, expect, last=False):
- d = self.manager.get([(host, 80, path)])
+ d = self.manager.get('', 'http://' + host + ':' + str(80) + path)
d.addCallback(self.gotResp, num, expect)
if last:
- d.addCallback(lastDefer.callback)
+ d.addBoth(lastDefer.callback)
- newRequest('www.camrdale.org', "/", 1, 3433)
- newRequest('www.camrdale.org', "/blog/", 2, 37121)
+ newRequest('www.ietf.org', "/rfc/rfc0006.txt", 1, 1776)
+ newRequest('www.ietf.org', "/rfc/rfc2362.txt", 2, 159833)
newRequest('www.google.ca', "/", 3, None)
self.pending_calls.append(reactor.callLater(1, newRequest, 'www.sfu.ca', '/', 4, None))
- self.pending_calls.append(reactor.callLater(10, newRequest, 'www.camrdale.org', '/wikilink.html', 5, 3084))
- self.pending_calls.append(reactor.callLater(30, newRequest, 'www.camrdale.org', '/sitemap.html', 6, 4750))
+ self.pending_calls.append(reactor.callLater(10, newRequest, 'www.ietf.org', '/rfc/rfc0048.txt', 5, 41696))
+ self.pending_calls.append(reactor.callLater(30, newRequest, 'www.ietf.org', '/rfc/rfc0022.txt', 6, 4606))
self.pending_calls.append(reactor.callLater(31, newRequest, 'www.sfu.ca', '/studentcentral/index.html', 7, None))
- self.pending_calls.append(reactor.callLater(32, newRequest, 'www.camrdale.org', '/openid.html', 8, 2525))
- self.pending_calls.append(reactor.callLater(32, newRequest, 'www.camrdale.org', '/subpage.html', 9, 2381))
+ self.pending_calls.append(reactor.callLater(32, newRequest, 'www.ietf.org', '/rfc/rfc0014.txt', 8, 27))
+ self.pending_calls.append(reactor.callLater(32, newRequest, 'www.ietf.org', '/rfc/rfc0001.txt', 9, 21088))
self.pending_calls.append(reactor.callLater(62, newRequest, 'www.google.ca', '/intl/en/options/', 0, None, True))
return lastDefer