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[tor-commits] [flashproxy/master] Use "transports" for a transport chain tuple everywhere.
commit 1dc3f414da9bc44a69f5767bca6aece70c00fc0a
Author: David Fifield <david@xxxxxxxxxxxxxxx>
Date: Fri Sep 20 22:37:06 2013 -0700
Use "transports" for a transport chain tuple everywhere.
---
facilitator/facilitator | 51 +++++++++++++++++++++++------------------------
1 file changed, 25 insertions(+), 26 deletions(-)
diff --git a/facilitator/facilitator b/facilitator/facilitator
index 1e708d4..55304ec 100755
--- a/facilitator/facilitator
+++ b/facilitator/facilitator
@@ -87,12 +87,12 @@ def parse_transport_chain(transport_chain):
# be manipulated so it should be cool.
return tuple(transport_chain.split("|"))
-def get_outermost_transport(transport_chain):
+def get_outermost_transport(transports):
"""Given a combined transport name in 'transport', return the name of the
outermost transport. e.g. if 'transport' is (obfs3, websocket) this function
returns 'websocket'"""
- assert(transport_chain)
- return transport_chain[-1]
+ assert(transports)
+ return transports[-1]
def safe_str(s):
"""Return "[scrubbed]" if options.safe_logging is true, and s otherwise."""
@@ -111,11 +111,11 @@ def log(msg):
log_lock.release()
class TCPReg(object):
- def __init__(self, host, port, transport_chain):
- """transport_chain: transport chain list. e.g. (obfs3, websocket)"""
+ def __init__(self, host, port, transports):
+ """transports: transport chain list. e.g. (obfs3, websocket)"""
self.host = host
self.port = port
- self.transport_chain = transport_chain
+ self.transports = transports
# Get a relay for this registration. Throw UnknownTransport if
# could not be found.
self.relay = self._get_matching_relay()
@@ -124,15 +124,15 @@ class TCPReg(object):
"""Return a matching relay addrspec for this registration. Raise
UnknownTransport if a relay with a matching transport chain could not be
found."""
- if self.transport_chain not in options.relays:
- raise UnknownTransport("Can't find relay with transport chain: %s" % self.transport_chain)
+ if self.transports not in options.relays:
+ raise UnknownTransport("Can't find relay with transport chain: %s" % self.transports)
# Maybe this should be a random pick from the set of all the
# eligible relays. But let's keep it deterministic for now,
# and return the first one.
- # return random.choice(options.relays[self.transport_chain])
- return options.relays[self.transport_chain][0]
+ # return random.choice(options.relays[self.transports])
+ return options.relays[self.transports][0]
def __unicode__(self):
return fac.format_addr((self.host, self.port))
@@ -143,15 +143,15 @@ class TCPReg(object):
def __cmp__(self, other):
if isinstance(other, TCPReg):
# XXX is this correct comparison?
- return cmp((self.host, self.port, self.transport_chain), (other.host, other.port, other.transport_chain))
+ return cmp((self.host, self.port, self.transports), (other.host, other.port, other.transports))
else:
return False
class Reg(object):
@staticmethod
- def parse(spec, transport_chain, defhost = None, defport = None):
+ def parse(spec, transports, defhost = None, defport = None):
host, port = fac.parse_addr_spec(spec, defhost, defport)
- return TCPReg(host, port, transport_chain)
+ return TCPReg(host, port, transports)
class RegSet(object):
def __init__(self):
@@ -303,8 +303,8 @@ class Handler(SocketServer.StreamRequestHandler):
check_back_in = get_check_back_in_for_proxy(proxy_addr)
if reg:
- log(u"proxy (%s) gets client '%s' (transport_chain: %s) (num relays: %s) (remaining regs: %d/%d)" %
- (safe_str(repr(proxy_spec)), safe_str(unicode(reg)), reg.transport_chain, options.num_relays(), num_unhandled_regs(), num_regs()))
+ log(u"proxy (%s) gets client '%s' (transports: %s) (num relays: %s) (remaining regs: %d/%d)" %
+ (safe_str(repr(proxy_spec)), safe_str(unicode(reg)), reg.transports, options.num_relays(), num_unhandled_regs(), num_regs()))
print >> self.wfile, fac.render_transaction("OK", ("CLIENT", str(reg)), ("RELAY", reg.relay), ("CHECK-BACK-IN", str(check_back_in)))
else:
log(u"proxy (%s) gets none" % safe_str(repr(proxy_spec)))
@@ -316,23 +316,22 @@ class Handler(SocketServer.StreamRequestHandler):
# Example: PUT CLIENT="1.1.1.1:5555" FROM="1.1.1.2:6666" TRANSPORT_CHAIN="obfs3|websocket"
def do_PUT(self, params):
# Check out if we recognize the transport chain in this registration request
- transport_chain = fac.param_first("TRANSPORT_CHAIN", params)
- if transport_chain is None:
+ transports_spec = fac.param_first("TRANSPORT_CHAIN", params)
+ if transports_spec is None:
log(u"PUT missing TRANSPORT_CHAIN param")
self.send_error()
return False
- # Turn the transport chain to tuple-form.
- transport_chain = parse_transport_chain(transport_chain)
+ transports = parse_transport_chain(transports_spec)
# See if we have relays that support this transport chain
- if transport_chain not in options.relays:
- log(u"Unrecognized transport chain: %s" % transport_chain)
+ if transports not in options.relays:
+ log(u"Unrecognized transport chain: %s" % transports)
self.send_error() # XXX can we tell the flashproxy client of this error?
return False
# if we have relays that support this transport chain, we
# certainly have a regset for its outermost transport too.
- assert(get_outermost_transport(transport_chain) in REGSETS_IPV4)
+ assert(get_outermost_transport(transports) in REGSETS_IPV4)
client_spec = fac.param_first("CLIENT", params)
if client_spec is None:
@@ -341,7 +340,7 @@ class Handler(SocketServer.StreamRequestHandler):
return False
try:
- reg = Reg.parse(client_spec, transport_chain)
+ reg = Reg.parse(client_spec, transports)
except (UnknownTransport, ValueError) as e:
# XXX should we throw a better error message to the client? Is it possible?
log(u"syntax error in %s: %s" % (safe_str(repr(client_spec)), safe_str(repr(str(e)))))
@@ -356,9 +355,9 @@ class Handler(SocketServer.StreamRequestHandler):
return False
if ok:
- log(u"client %s (transports: %s) (remaining regs: %d/%d)" % (safe_str(unicode(reg)), reg.transport_chain, num_unhandled_regs(), num_regs()))
+ log(u"client %s (transports: %s) (remaining regs: %d/%d)" % (safe_str(unicode(reg)), reg.transports, num_unhandled_regs(), num_regs()))
else:
- log(u"client %s (already present) (transports: %s) (remaining regs: %d/%d)" % (safe_str(unicode(reg)), reg.transport_chain, num_unhandled_regs(), num_regs()))
+ log(u"client %s (already present) (transports: %s) (remaining regs: %d/%d)" % (safe_str(unicode(reg)), reg.transports, num_unhandled_regs(), num_regs()))
self.send_ok()
return True
@@ -447,7 +446,7 @@ def put_reg(reg):
"""Add a registration."""
addr_str = reg.host
af = addr_af(addr_str)
- REGS = get_regs(af, get_outermost_transport(reg.transport_chain))
+ REGS = get_regs(af, get_outermost_transport(reg.transports))
return REGS.add(reg)
def handle_relay_file(fname):
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