# or the control.furl .
import os.path
-import sha
+from zope.interface import implements
from twisted.application import service
-from twisted.internet import reactor
+from twisted.internet import defer, reactor
from twisted.python.failure import Failure
from foolscap.api import Referenceable, fireEventually, RemoteException
from base64 import b32encode
from allmydata.client import Client
from allmydata.storage.server import StorageServer, storage_index_to_dir
from allmydata.util import fileutil, idlib, hashutil
-from allmydata.introducer.client import RemoteServiceConnector
+from allmydata.util.hashutil import sha1
from allmydata.test.common_web import HTTPClientGETFactory
+from allmydata.interfaces import IStorageBroker
+from allmydata.test.common import TEST_RSA_KEY_SIZE
+
class IntentionalError(Exception):
pass
def __init__(self, original):
self.original = original
self.broken = False
+ self.hung_until = None
self.post_call_notifier = None
self.disconnectors = {}
def callRemoteOnly(self, methname, *args, **kwargs):
d = self.callRemote(methname, *args, **kwargs)
+ del d # explicitly ignored
return None
def callRemote(self, methname, *args, **kwargs):
return a
args = tuple([wrap(a) for a in args])
kwargs = dict([(k,wrap(kwargs[k])) for k in kwargs])
+
+ def _really_call():
+ meth = getattr(self.original, "remote_" + methname)
+ return meth(*args, **kwargs)
+
def _call():
if self.broken:
raise IntentionalError("I was asked to break")
- meth = getattr(self.original, "remote_" + methname)
- return meth(*args, **kwargs)
+ if self.hung_until:
+ d2 = defer.Deferred()
+ self.hung_until.addCallback(lambda ign: _really_call())
+ self.hung_until.addCallback(lambda res: d2.callback(res))
+ def _err(res):
+ d2.errback(res)
+ return res
+ self.hung_until.addErrback(_err)
+ return d2
+ return _really_call()
+
d = fireEventually()
d.addCallback(lambda res: _call())
def _wrap_exception(f):
return res
d.addCallback(_return_membrane)
if self.post_call_notifier:
- d.addCallback(self.post_call_notifier, methname)
+ d.addCallback(self.post_call_notifier, self, methname)
return d
def notifyOnDisconnect(self, f, *args, **kwargs):
def dontNotifyOnDisconnect(self, marker):
del self.disconnectors[marker]
-def wrap(original, service_name):
+def wrap_storage_server(original):
# Much of the upload/download code uses rref.version (which normally
# comes from rrefutil.add_version_to_remote_reference). To avoid using a
# network, we want a LocalWrapper here. Try to satisfy all these
# constraints at the same time.
wrapper = LocalWrapper(original)
- try:
- version = original.remote_get_version()
- except AttributeError:
- version = RemoteServiceConnector.VERSION_DEFAULTS[service_name]
- wrapper.version = version
+ wrapper.version = original.remote_get_version()
return wrapper
+class NoNetworkServer:
+ def __init__(self, serverid, rref):
+ self.serverid = serverid
+ self.rref = rref
+ def __repr__(self):
+ return "<NoNetworkServer for %s>" % self.get_name()
+ def get_serverid(self):
+ return self.serverid
+ def get_permutation_seed(self):
+ return self.serverid
+ def get_lease_seed(self):
+ return self.serverid
+ def get_name(self):
+ return idlib.shortnodeid_b2a(self.serverid)
+ def get_longname(self):
+ return idlib.nodeid_b2a(self.serverid)
+ def get_nickname(self):
+ return "nickname"
+ def get_rref(self):
+ return self.rref
+ def get_version(self):
+ return self.rref.version
+
class NoNetworkStorageBroker:
- def get_servers(self, key):
- return sorted(self.client._servers,
- key=lambda x: sha.new(key+x[0]).digest())
+ implements(IStorageBroker)
+ def get_servers_for_psi(self, peer_selection_index):
+ def _permuted(server):
+ seed = server.get_permutation_seed()
+ return sha1(peer_selection_index + seed).digest()
+ return sorted(self.get_connected_servers(), key=_permuted)
+ def get_connected_servers(self):
+ return self.client._servers
+ def get_nickname_for_serverid(self, serverid):
+ return None
class NoNetworkClient(Client):
-
def create_tub(self):
pass
def init_introducer_client(self):
self.storage_broker.client = self
def init_stub_client(self):
pass
-
- def get_servers(self, service_name):
- return self._servers
-
- def get_nickname_for_serverid(self, serverid):
- return None
+ #._servers will be set by the NoNetworkGrid which creates us
class SimpleStats:
def __init__(self):
self.basedir = basedir
fileutil.make_dirs(basedir)
- self.servers_by_number = {}
- self.servers_by_id = {}
+ self.servers_by_number = {} # maps to StorageServer instance
+ self.wrappers_by_id = {} # maps to wrapped StorageServer instance
+ self.proxies_by_id = {} # maps to IServer on which .rref is a wrapped
+ # StorageServer
self.clients = []
for i in range(num_servers):
ss = self.make_server(i)
self.add_server(i, ss)
+ self.rebuild_serverlist()
for i in range(num_clients):
clientid = hashutil.tagged_hash("clientid", str(i))[:20]
c = client_config_hooks[i](clientdir)
if not c:
c = NoNetworkClient(clientdir)
+ c.set_default_mutable_keysize(TEST_RSA_KEY_SIZE)
c.nodeid = clientid
c.short_nodeid = b32encode(clientid).lower()[:8]
c._servers = self.all_servers # can be updated later
c.setServiceParent(self)
self.clients.append(c)
- def make_server(self, i):
+ def make_server(self, i, readonly=False):
serverid = hashutil.tagged_hash("serverid", str(i))[:20]
serverdir = os.path.join(self.basedir, "servers",
- idlib.shortnodeid_b2a(serverid))
+ idlib.shortnodeid_b2a(serverid), "storage")
fileutil.make_dirs(serverdir)
- ss = StorageServer(serverdir, serverid, stats_provider=SimpleStats())
+ ss = StorageServer(serverdir, serverid, stats_provider=SimpleStats(),
+ readonly_storage=readonly)
+ ss._no_network_server_number = i
return ss
def add_server(self, i, ss):
ss.setServiceParent(middleman)
serverid = ss.my_nodeid
self.servers_by_number[i] = ss
- self.servers_by_id[serverid] = wrap(ss, "storage")
- self.all_servers = frozenset(self.servers_by_id.items())
+ wrapper = wrap_storage_server(ss)
+ self.wrappers_by_id[serverid] = wrapper
+ self.proxies_by_id[serverid] = NoNetworkServer(serverid, wrapper)
+ self.rebuild_serverlist()
+
+ def get_all_serverids(self):
+ return self.proxies_by_id.keys()
+
+ def rebuild_serverlist(self):
+ self.all_servers = frozenset(self.proxies_by_id.values())
for c in self.clients:
c._servers = self.all_servers
+ def remove_server(self, serverid):
+ # it's enough to remove the server from c._servers (we don't actually
+ # have to detach and stopService it)
+ for i,ss in self.servers_by_number.items():
+ if ss.my_nodeid == serverid:
+ del self.servers_by_number[i]
+ break
+ del self.wrappers_by_id[serverid]
+ del self.proxies_by_id[serverid]
+ self.rebuild_serverlist()
+
+ def break_server(self, serverid):
+ # mark the given server as broken, so it will throw exceptions when
+ # asked to hold a share or serve a share
+ self.wrappers_by_id[serverid].broken = True
+
+ def hang_server(self, serverid):
+ # hang the given server
+ ss = self.wrappers_by_id[serverid]
+ assert ss.hung_until is None
+ ss.hung_until = defer.Deferred()
+
+ def unhang_server(self, serverid):
+ # unhang the given server
+ ss = self.wrappers_by_id[serverid]
+ assert ss.hung_until is not None
+ ss.hung_until.callback(None)
+ ss.hung_until = None
+
+
class GridTestMixin:
def setUp(self):
self.s = service.MultiService()
num_servers=num_servers,
client_config_hooks=client_config_hooks)
self.g.setServiceParent(self.s)
- self.client_webports = [c.getServiceNamed("webish").listener._port.getHost().port
+ self.client_webports = [c.getServiceNamed("webish").getPortnum()
+ for c in self.g.clients]
+ self.client_baseurls = [c.getServiceNamed("webish").getURL()
for c in self.g.clients]
- self.client_baseurls = ["http://localhost:%d/" % p
- for p in self.client_webports]
def get_clientdir(self, i=0):
return self.g.clients[i].basedir
ss = self.g.servers_by_number[i]
yield (i, ss, ss.storedir)
- def find_shares(self, uri):
+ def find_uri_shares(self, uri):
si = tahoe_uri.from_string(uri).get_storage_index()
prefixdir = storage_index_to_dir(si)
shares = []
for i,ss in self.g.servers_by_number.items():
serverid = ss.my_nodeid
- basedir = os.path.join(ss.storedir, "shares", prefixdir)
+ basedir = os.path.join(ss.sharedir, prefixdir)
if not os.path.exists(basedir):
continue
for f in os.listdir(basedir):
pass
return sorted(shares)
+ def copy_shares(self, uri):
+ shares = {}
+ for (shnum, serverid, sharefile) in self.find_uri_shares(uri):
+ shares[sharefile] = open(sharefile, "rb").read()
+ return shares
+
+ def restore_all_shares(self, shares):
+ for sharefile, data in shares.items():
+ open(sharefile, "wb").write(data)
+
def delete_share(self, (shnum, serverid, sharefile)):
os.unlink(sharefile)
def delete_shares_numbered(self, uri, shnums):
- for (i_shnum, i_serverid, i_sharefile) in self.find_shares(uri):
+ for (i_shnum, i_serverid, i_sharefile) in self.find_uri_shares(uri):
if i_shnum in shnums:
os.unlink(i_sharefile)
corruptdata = corruptor_function(sharedata)
open(sharefile, "wb").write(corruptdata)
- def corrupt_shares_numbered(self, uri, shnums, corruptor):
- for (i_shnum, i_serverid, i_sharefile) in self.find_shares(uri):
+ def corrupt_shares_numbered(self, uri, shnums, corruptor, debug=False):
+ for (i_shnum, i_serverid, i_sharefile) in self.find_uri_shares(uri):
if i_shnum in shnums:
sharedata = open(i_sharefile, "rb").read()
- corruptdata = corruptor(sharedata)
+ corruptdata = corruptor(sharedata, debug=debug)
open(i_sharefile, "wb").write(corruptdata)
+ def corrupt_all_shares(self, uri, corruptor, debug=False):
+ for (i_shnum, i_serverid, i_sharefile) in self.find_uri_shares(uri):
+ sharedata = open(i_sharefile, "rb").read()
+ corruptdata = corruptor(sharedata, debug=debug)
+ open(i_sharefile, "wb").write(corruptdata)
+
def GET(self, urlpath, followRedirect=False, return_response=False,
method="GET", clientnum=0, **kwargs):
# if return_response=True, this fires with (data, statuscode,
if return_response:
d.addCallback(_got_data)
return factory.deferred
+
+ def PUT(self, urlpath, **kwargs):
+ return self.GET(urlpath, method="PUT", **kwargs)
projects / tahoe-lafs / tahoe-lafs.git / blobdiff