import warnings
warnings.simplefilter("ignore", DeprecationWarning)
-from time import time
+from datetime import datetime, timedelta
from random import randrange
from sha import sha
import os
self.node = self._loadSelfNode('', self.port)
self.table = KTable(self.node, config)
#self.app = service.Application("krpc")
- self.udp = krpc.hostbroker(self)
+ self.udp = krpc.hostbroker(self, config)
self.udp.protocol = krpc.KRPC
self.listenport = reactor.listenUDP(self.port, self.udp)
- self.last = time()
self._loadRoutingTable()
self.expirer = KeyExpirer(self.store, config)
self.refreshTable(force=1)
self.next_checkpoint = reactor.callLater(60, self.checkpoint, (1,))
- def Node(self):
- n = self._Node()
+ def Node(self, id, host = None, port = None):
+ """Create a new node."""
+ n = self._Node(id, host, port)
n.table = self.table
+ n.conn = self.udp.connectionForAddr((n.host, n.port))
return n
def __del__(self):
id = self.store.getSelfNode()
if not id:
id = newID()
- return self._Node().init(id, host, port)
+ return self._Node(id, host, port)
def checkpoint(self, auto=0):
self.store.saveSelfNode(self.node.id)
"""
nodes = self.store.getRoutingTable()
for rec in nodes:
- n = self.Node().initWithDict({'id':rec[0], 'host':rec[1], 'port':int(rec[2])})
- n.conn = self.udp.connectionForAddr((n.host, n.port))
+ n = self.Node(rec[0], rec[1], int(rec[2]))
self.table.insertNode(n, contacted=0)
#######
####### LOCAL INTERFACE - use these methods!
- def addContact(self, host, port, callback=None):
+ def addContact(self, host, port, callback=None, errback=None):
"""
ping this node and add the contact info to the table on pong!
"""
- n =self.Node().init(NULL_ID, host, port)
- n.conn = self.udp.connectionForAddr((n.host, n.port))
- self.sendPing(n, callback=callback)
+ n = self.Node(NULL_ID, host, port)
+ self.sendJoin(n, callback=callback, errback=errback)
## this call is async!
def findNode(self, id, callback, errback=None):
method needs to be a properly formed Node object with a valid ID.
"""
old = self.table.insertNode(n, contacted=contacted)
- if old and (time() - old.lastSeen) > self.config['MIN_PING_INTERVAL'] and old.id != self.node.id:
+ if (old and old.id != self.node.id and
+ (datetime.now() - old.lastSeen) >
+ timedelta(seconds=self.config['MIN_PING_INTERVAL'])):
# the bucket is full, check to see if old node is still around and if so, replace it
## these are the callbacks used when we ping the oldest node in a bucket
df = old.ping(self.node.id)
df.addCallbacks(_notStaleNodeHandler, _staleNodeHandler)
- def sendPing(self, node, callback=None):
+ def sendJoin(self, node, callback=None, errback=None):
"""
ping a node
"""
- df = node.ping(self.node.id)
+ df = node.join(self.node.id)
## these are the callbacks we use when we issue a PING
- def _pongHandler(dict, node=node, table=self.table, callback=callback):
- _krpc_sender = dict['_krpc_sender']
- dict = dict['rsp']
- sender = {'id' : dict['id']}
- sender['host'] = _krpc_sender[0]
- sender['port'] = _krpc_sender[1]
- n = self.Node().initWithDict(sender)
- n.conn = self.udp.connectionForAddr((n.host, n.port))
- table.insertNode(n)
+ def _pongHandler(dict, node=node, self=self, callback=callback):
+ n = self.Node(dict['rsp']['id'], dict['_krpc_sender'][0], dict['_krpc_sender'][1])
+ self.insertNode(n)
if callback:
- callback()
- def _defaultPong(err, node=node, table=self.table, callback=callback):
+ callback((dict['rsp']['ip_addr'], dict['rsp']['port']))
+ def _defaultPong(err, node=node, table=self.table, callback=callback, errback=errback):
table.nodeFailed(node)
- if callback:
- callback()
+ if errback:
+ errback()
+ else:
+ callback(None)
df.addCallbacks(_pongHandler,_defaultPong)
- def findCloseNodes(self, callback=lambda a: None):
+ def findCloseNodes(self, callback=lambda a: None, errback = None):
"""
This does a findNode on the ID one away from our own.
This will allow us to populate our table with nodes on our network closest to our own.
This is called as soon as we start up with an empty table
"""
id = self.node.id[:-1] + chr((ord(self.node.id[-1]) + 1) % 256)
- self.findNode(id, callback)
+ self.findNode(id, callback, errback)
def refreshTable(self, force=0):
"""
pass
for bucket in self.table.buckets:
- if force or (time() - bucket.lastAccessed >= self.config['BUCKET_STALENESS']):
+ if force or (datetime.now() - bucket.lastAccessed >
+ timedelta(seconds=self.config['BUCKET_STALENESS'])):
id = newIDInRange(bucket.min, bucket.max)
self.findNode(id, callback)
self.expirer.shutdown()
self.store.close()
+ #### Remote Interface - called by remote nodes
def krpc_ping(self, id, _krpc_sender):
- sender = {'id' : id}
- sender['host'] = _krpc_sender[0]
- sender['port'] = _krpc_sender[1]
- n = self.Node().initWithDict(sender)
- n.conn = self.udp.connectionForAddr((n.host, n.port))
+ n = self.Node(id, _krpc_sender[0], _krpc_sender[1])
self.insertNode(n, contacted=0)
return {"id" : self.node.id}
+ def krpc_join(self, id, _krpc_sender):
+ n = self.Node(id, _krpc_sender[0], _krpc_sender[1])
+ self.insertNode(n, contacted=0)
+ return {"ip_addr" : _krpc_sender[0], "port" : _krpc_sender[1], "id" : self.node.id}
+
def krpc_find_node(self, target, id, _krpc_sender):
+ n = self.Node(id, _krpc_sender[0], _krpc_sender[1])
+ self.insertNode(n, contacted=0)
nodes = self.table.findNodes(target)
nodes = map(lambda node: node.senderDict(), nodes)
- sender = {'id' : id}
- sender['host'] = _krpc_sender[0]
- sender['port'] = _krpc_sender[1]
- n = self.Node().initWithDict(sender)
- n.conn = self.udp.connectionForAddr((n.host, n.port))
- self.insertNode(n, contacted=0)
return {"nodes" : nodes, "id" : self.node.id}
state = GetValue(self, key, callback, self.config)
reactor.callLater(0, state.goWithNodes, nodes, l)
+ #### Remote Interface - called by remote nodes
def krpc_find_value(self, key, id, _krpc_sender):
- sender = {'id' : id}
- sender['host'] = _krpc_sender[0]
- sender['port'] = _krpc_sender[1]
- n = self.Node().initWithDict(sender)
- n.conn = self.udp.connectionForAddr((n.host, n.port))
+ n = self.Node(id, _krpc_sender[0], _krpc_sender[1])
self.insertNode(n, contacted=0)
l = self.store.retrieveValues(key)
class KhashmirWrite(KhashmirRead):
_Node = KNodeWrite
## async, callback indicates nodes we got a response from (but no guarantee they didn't drop it on the floor)
- def storeValueForKey(self, key, value, callback=None):
- """ stores the value for key in the global table, returns immediately, no status
+ def storeValueForKey(self, key, value, originated, callback=None):
+ """ stores the value and origination time for key in the global table, returns immediately, no status
in this implementation, peers respond but don't indicate status to storing values
a key can have many values
"""
- def _storeValueForKey(nodes, key=key, value=value, response=callback , table=self.table):
+ def _storeValueForKey(nodes, key=key, value=value, originated=originated, response=callback , table=self.table):
if not response:
# default callback
def _storedValueHandler(key, value, sender):
pass
response=_storedValueHandler
- action = StoreValue(self.table, key, value, response, self.config)
+ action = StoreValue(self.table, key, value, originated, response, self.config)
reactor.callLater(0, action.goWithNodes, nodes)
# this call is asynch
self.findNode(key, _storeValueForKey)
- def krpc_store_value(self, key, value, id, _krpc_sender):
- self.store.storeValue(key, value)
- sender = {'id' : id}
- sender['host'] = _krpc_sender[0]
- sender['port'] = _krpc_sender[1]
- n = self.Node().initWithDict(sender)
- n.conn = self.udp.connectionForAddr((n.host, n.port))
+ #### Remote Interface - called by remote nodes
+ def krpc_store_value(self, key, value, originated, id, _krpc_sender):
+ n = self.Node(id, _krpc_sender[0], _krpc_sender[1])
self.insertNode(n, contacted=0)
+ self.store.storeValue(key, value, originated)
return {"id" : self.node.id}
# the whole shebang, for testing
'STORE_REDUNDANCY': 3, 'MAX_FAILURES': 3,
'MIN_PING_INTERVAL': 900,'BUCKET_STALENESS': 3600,
'KEINITIAL_DELAY': 15, 'KE_DELAY': 1200,
- 'KE_AGE': 3600, }
+ 'KE_AGE': 3600, 'SPEW': False, }
def setUp(self):
krpc.KRPC.noisy = 0
os.unlink(self.b.store.db)
def testAddContact(self):
- self.assertEqual(len(self.a.table.buckets), 1)
- self.assertEqual(len(self.a.table.buckets[0].l), 0)
+ self.failUnlessEqual(len(self.a.table.buckets), 1)
+ self.failUnlessEqual(len(self.a.table.buckets[0].l), 0)
- self.assertEqual(len(self.b.table.buckets), 1)
- self.assertEqual(len(self.b.table.buckets[0].l), 0)
+ self.failUnlessEqual(len(self.b.table.buckets), 1)
+ self.failUnlessEqual(len(self.b.table.buckets[0].l), 0)
self.a.addContact('127.0.0.1', 4045)
reactor.iterate()
reactor.iterate()
reactor.iterate()
- self.assertEqual(len(self.a.table.buckets), 1)
- self.assertEqual(len(self.a.table.buckets[0].l), 1)
- self.assertEqual(len(self.b.table.buckets), 1)
- self.assertEqual(len(self.b.table.buckets[0].l), 1)
+ self.failUnlessEqual(len(self.a.table.buckets), 1)
+ self.failUnlessEqual(len(self.a.table.buckets[0].l), 1)
+ self.failUnlessEqual(len(self.b.table.buckets), 1)
+ self.failUnlessEqual(len(self.b.table.buckets[0].l), 1)
def testStoreRetrieve(self):
self.a.addContact('127.0.0.1', 4045)
reactor.iterate()
reactor.iterate()
self.got = 0
- self.a.storeValueForKey(sha('foo').digest(), 'foobar')
+ self.a.storeValueForKey(sha('foo').digest(), 'foobar', datetime.utcnow())
reactor.iterate()
reactor.iterate()
reactor.iterate()
def _cb(self, key, val):
if not val:
- self.assertEqual(self.got, 1)
+ self.failUnlessEqual(self.got, 1)
elif 'foobar' in val:
self.got = 1
'STORE_REDUNDANCY': 3, 'MAX_FAILURES': 3,
'MIN_PING_INTERVAL': 900,'BUCKET_STALENESS': 3600,
'KEINITIAL_DELAY': 15, 'KE_DELAY': 1200,
- 'KE_AGE': 3600, }
+ 'KE_AGE': 3600, 'SPEW': False, }
def _done(self, val):
self.done = 1
self.done = 0
def _scb(key, value, result):
self.done = 1
- self.l[randrange(0, self.num)].storeValueForKey(K, V, _scb)
+ self.l[randrange(0, self.num)].storeValueForKey(K, V, datetime.utcnow(), _scb)
while not self.done:
reactor.iterate()
def _rcb(key, val):
if not val:
self.done = 1
- self.assertEqual(self.got, 1)
+ self.failUnlessEqual(self.got, 1)
elif V in val:
self.got = 1
for x in range(3):
projects / quix0rs-apt-p2p.git / blobdiff