def enter(self, dummy):
""" Implementation of State virtual.
This checks the graph against the local repository and
adds edges required to update it to the TARGET_VERSION
specified in the context object. Then it starts inserting
CHKS for the new edges into Freenet, doing padding /
metadata salting as required.
"""
#require_state(from_state, QUIESCENT)
assert (self.parent.ctx.get('REINSERT', 0) > 0 or
(not self.parent.ctx['INSERT_URI'] is None))
assert not self.parent.ctx.graph is None
graph = self.parent.ctx.graph.clone()
if self.parent.params.get('DUMP_GRAPH', False):
self.parent.ctx.ui_.status("--- Initial Graph ---\n")
self.parent.ctx.ui_.status(graph_to_string(graph) +'\n')
latest_revs = get_heads(graph)
self.parent.ctx.ui_.status("Latest heads(s) in Freenet: %s\n"
% ' '.join([ver[:12] for ver in latest_revs]))
if self.parent.ctx.get('REINSERT', 0) == 1:
self.parent.ctx.ui_.status("No bundles to reinsert.\n")
# REDFLAG: Think this through. Crappy code, but expedient.
# Hmmmm.... need version table to build minimal graph
self.parent.ctx.version_table = build_version_table(graph,
self.parent.ctx.
repo)
self.parent.transition(INSERTING_GRAPH)
return
if not self.parent.ctx.has_versions(latest_revs):
self.parent.ctx.ui_.warn("The local repository isn't up "
+ "to date.\n"
+ "Try doing an fn-pull.\n")
self.parent.transition(FAILING) # Hmmm... hard coded state name
return
# Update graph.
try:
self.set_new_edges(graph)
except UpToDate, err:
# REDFLAG: Later, add FORCE_INSERT parameter?
# REDFLAG: rework UpToDate exception to include versions, stuff
# versions in ctx?
self.parent.ctx['UP_TO_DATE'] = True
self.parent.ctx.ui_.warn(str(err) + '\n') # Hmmm
self.parent.transition(FAILING) # Hmmm... hard coded state name
return
def read_freenet_heads(params, update_sm, request_uri):
""" Helper function reads the know heads from Freenet. """
update_sm.start_requesting_heads(request_uri)
run_until_quiescent(update_sm, params['POLL_SECS'], False)
if update_sm.get_state(QUIESCENT).arrived_from(((FINISHING, ))):
if update_sm.ctx.graph is None:
# Heads are in the top key.
top_key_tuple = update_sm.get_state(REQUIRES_GRAPH_4_HEADS).\
get_top_key_tuple()
assert top_key_tuple[1][0][5] # heads list complete
return top_key_tuple[1][0][2] # stored in first update
else:
# Have to pull the heads from the graph.
assert not update_sm.ctx.graph is None
return get_heads(update_sm.ctx.graph)
raise util.Abort("Couldn't read heads from Freenet.")
def read_freenet_heads(params, update_sm, request_uri):
""" Helper function reads the know heads from Freenet. """
update_sm.start_requesting_heads(request_uri)
run_until_quiescent(update_sm, params['POLL_SECS'], False)
if update_sm.get_state(QUIESCENT).arrived_from(((FINISHING,))):
if update_sm.ctx.graph is None:
# Heads are in the top key.
top_key_tuple = update_sm.get_state(REQUIRES_GRAPH_4_HEADS).\
get_top_key_tuple()
assert top_key_tuple[1][0][5] # heads list complete
return top_key_tuple[1][0][2] # stored in first update
else:
# Have to pull the heads from the graph.
assert not update_sm.ctx.graph is None
return get_heads(update_sm.ctx.graph)
raise util.Abort("Couldn't read heads from Freenet.")
def _set_graph(self, graph):
""" INTERNAL: Set the graph and fixup any pending CHK edge
requests with their edges. """
edges = chk_to_edge_triple_map(graph)
skip_chks = set([]) # REDFLAG: remove!
for request in self.pending.values():
candidate = request.candidate
if candidate[6]:
continue
edge = edges[candidate[0]]
candidate[3] = edge
candidate[4] = None
#print "_set_graph -- fixed up: ", request.tag, edge
# REDFLAG: why am I keeping state in two places?
old_tag = request.tag
request.tag = edge
del self.pending[old_tag]
self.pending[request.tag] = request
skip_chks.add(candidate[0])
#print "pending.keys(): ", self.pending.keys()
fixup(edges, self.current_candidates)
fixup(edges, self.next_candidates)
fixup(edges, self.finished_candidates)
assert not self.top_key_tuple is None
if self.parent.params.get('DUMP_TOP_KEY', False):
text = "Fixed up top key CHKs:\n"
for update in self.top_key_tuple[1]:
for chk in update[3]:
if chk in edges:
text += " " + str(edges[chk]) + ":" + chk + "\n"
else:
text += " BAD TOP KEY DATA!" + ":" + chk + "\n"
self.parent.ctx.ui_.status(text)
all_heads = get_heads(graph)
assert (self.freenet_heads is None or
self.freenet_heads == all_heads)
self.freenet_heads = all_heads
self.parent.ctx.graph = graph
self.rep_invariant()
# REDFLAG: remove testing code
#kill_prob = 0.00
#print "BREAKING EDGES: Pkill==", kill_prob
#print skip_chks
#break_edges(graph, kill_prob, skip_chks)
# "fix" (i.e. break) pending good chks.
# REDFLAG: comment this out too?
for candidate in self.current_candidates + self.next_candidates:
if candidate[6]:
continue
edge = candidate[3]
assert not edge is None
if graph.get_chk(edge).find("badrouting") != -1:
candidate[0] = graph.get_chk(edge)
#self.dump()
self.rep_invariant()
self.parent.ctx.ui_.status("Got graph. Latest graph index: %i\n" %
graph.latest_index)
def _set_graph(self, graph):
""" INTERNAL: Set the graph and fixup any pending CHK edge
requests with their edges. """
edges = chk_to_edge_triple_map(graph)
skip_chks = set([]) # REDFLAG: remove!
for request in self.pending.values():
candidate = request.candidate
if candidate[6]:
continue
edge = edges[candidate[0]]
candidate[3] = edge
candidate[4] = None
#print "_set_graph -- fixed up: ", request.tag, edge
# REDFLAG: why am I keeping state in two places?
old_tag = request.tag
request.tag = edge
del self.pending[old_tag]
self.pending[request.tag] = request
skip_chks.add(candidate[0])
#print "pending.keys(): ", self.pending.keys()
fixup(edges, self.current_candidates)
fixup(edges, self.next_candidates)
fixup(edges, self.finished_candidates)
assert not self.top_key_tuple is None
if self.parent.params.get('DUMP_TOP_KEY', False):
text = "Fixed up top key CHKs:\n"
for update in self.top_key_tuple[1]:
for chk in update[3]:
if chk in edges:
text += " " + str(edges[chk]) + ":" + chk + "\n"
else:
text += " BAD TOP KEY DATA!" + ":" + chk + "\n"
self.parent.ctx.ui_.status(text)
all_heads = get_heads(graph)
assert (self.freenet_heads is None or self.freenet_heads == all_heads)
self.freenet_heads = all_heads
self.parent.ctx.graph = graph
self.rep_invariant()
# REDFLAG: remove testing code
#kill_prob = 0.00
#print "BREAKING EDGES: Pkill==", kill_prob
#print skip_chks
#break_edges(graph, kill_prob, skip_chks)
# "fix" (i.e. break) pending good chks.
# REDFLAG: comment this out too?
for candidate in self.current_candidates + self.next_candidates:
if candidate[6]:
continue
edge = candidate[3]
assert not edge is None
if graph.get_chk(edge).find("badrouting") != -1:
candidate[0] = graph.get_chk(edge)
#self.dump()
self.rep_invariant()
self.parent.ctx.ui_.status("Got graph. Latest graph index: %i\n" %
graph.latest_index)
