def _rpc(self, type, *args):
tag = 1
if type == cmd.Tversion:
tag = notag
if self.verbose:
print cmd.repr(type), repr(args)
self.sock.send(type, tag, *args)
rtype, rtag, vals = self.sock.recv()
if self.verbose:
print cmd.repr(rtype), repr(vals)
if rtag != tag:
raise Error("invalid tag received")
if rtype == cmd.Rerror:
raise P9Error(vals)
if rtype != type + 1:
raise Error("incorrect reply from server: %r" % [rtype, rtag, vals])
return vals
def rpc(self):
"""
Process a single RPC message.
Return -1 on error.
"""
type, tag, vals = self.msg.recv()
name = "_srv" + cmd.repr(type)
if self.verbose:
print cmd.repr(type), repr(vals)
if hasattr(self, name):
func = getattr(self, name)
try:
rvals = func(type, tag, vals)
except ServError, e:
self._err(tag, e.args[0])
return 1 # nonfatal
if self.verbose:
print cmd.repr(type+1), repr(rvals)
self.msg.send(type + 1, tag, *rvals)
def _err(self, tag, msg):
print 'Error', msg # XXX
if self.verbose:
print cmd.repr(cmd.Rerror), repr(msg)
self.msg.send(cmd.Rerror, tag, msg)
self.msg.send(cmd.Rerror, tag, msg)
def rpc(self):
"""
Process a single RPC message.
Return -1 on error.
"""
type, tag, vals = self.msg.recv()
name = "_srv" + cmd.repr(type)
if self.verbose:
print cmd.repr(type), repr(vals)
if hasattr(self, name):
func = getattr(self, name)
try:
rvals = func(type, tag, vals)
except ServError, e:
self._err(tag, e.args[0])
return 1 # nonfatal
if self.verbose:
print cmd.repr(type+1), repr(rvals)
self.msg.send(type + 1, tag, *rvals)
else:
return self._err(tag, "Unhandled message: %s" % cmd.repr(type))
return 1
def serve(self):
while self.rpc():
pass
