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import sys, os
import flow
class DumpError(Exception): pass
class Options(object):
__slots__ = [
"verbosity",
"wfile",
]
def __init__(self, **kwargs):
for k, v in kwargs.items():
setattr(self, k, v)
for i in self.__slots__:
if not hasattr(self, i):
setattr(self, i, None)
class DumpMaster(flow.FlowMaster):
def __init__(self, server, options, outfile=sys.stdout):
flow.FlowMaster.__init__(self, server, flow.State())
self.outfile = outfile
self.o = options
if options.wfile:
path = os.path.expanduser(options.wfile)
try:
f = file(path, "wb")
self.fwriter = flow.FlowWriter(f)
except IOError, v:
raise DumpError(v.strerror)
def handle_clientconnection(self, r):
flow.FlowMaster.handle_clientconnection(self, r)
r.ack()
def handle_error(self, r):
flow.FlowMaster.handle_error(self, r)
r.ack()
def handle_request(self, r):
flow.FlowMaster.handle_request(self, r)
r.ack()
def handle_response(self, msg):
f = flow.FlowMaster.handle_response(self, msg)
if f:
if 0 < self.o.verbosity < 3:
print >> self.outfile, ">>",
print >> self.outfile, msg.request.short()
if self.o.verbosity == 1:
print >> self.outfile, "<<",
print >> self.outfile, msg.short()
elif self.o.verbosity == 2:
print >> self.outfile, "<<"
for i in msg.assemble().splitlines():
print >> self.outfile, "\t", i
print >> self.outfile, "<<"
elif self.o.verbosity == 3:
print >> self.outfile, ">>"
for i in msg.request.assemble().splitlines():
print >> self.outfile, "\t", i
print >> self.outfile, ">>"
print >> self.outfile, "<<"
for i in msg.assemble().splitlines():
print >> self.outfile, "\t", i
print >> self.outfile, "<<"
msg.ack()
self.state.delete_flow(f)
if self.o.wfile:
self.fwriter.add(f)
# begin nocover
def run(self):
try:
return flow.FlowMaster.run(self)
except KeyboardInterrupt:
self.shutdown()
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