def pack_reply(xid, *args):
"""Packs an RPC reply from a variable-length arg list (args):
MSG_ACCEPTED, verf, (SUCCESS | PROG_MISMATCH, low, hi | PROG_UNAVAIL
| PROC_UNAVAIL | GARBAGE_ARGS | SYSTEM_ERR)
MSG_DENIED, (RPC_MISMATCH, hi, low | AUTH_ERROR, auth_stat)
verf is an auth of the form (flavor, value)
Returns an xdrlib.Packer that the caller can use to add data,
such as the results of a SUCCESSful call.
"""
arg = list(args) # need a mutable list for pop()
msg = RPCProto.rpc_msg()
msg.xid = xid
msg.body = RPCProto.body_t()
msg.body.mtype = RPCProto.REPLY
msg.body.rbody = reply = RPCProto.reply_body()
reply.stat = reply_stat = arg.pop(0)
if reply_stat == MSG_ACCEPTED:
reply.areply = RPCProto.accepted_reply()
reply.areply.verf = verf = arg.pop(0)
reply.areply.reply_data = RPCProto.reply_data_t()
reply.areply.reply_data.stat = accept_stat = arg.pop(0)
if accept_stat == PROG_MISMATCH:
reply.areply.reply_data.mismatch_info = RPCProto.mismatch_info_t()
reply.areply.reply_data.mismatch_info.low = arg.pop(0)
reply.areply.reply_data.mismatch_info.high = arg.pop(0)
elif (accept_stat == SUCCESS):
reply.areply.reply_data.results = '' # FIXME?
elif (accept_stat == PROG_UNAVAIL or
accept_stat == PROC_UNAVAIL or
accept_stat == GARBAGE_ARGS or
accept_stat == SYSTEM_ERR):
pass
else:
raise ValueError("unknown accept_stat: %u" % accept_stat)
elif reply_stat == MSG_DENIED:
reply.rreply = RPCProto.rejected_reply()
reply.rreply.stat = reject_stat = arg.pop(0)
if reject_stat == RPC_MISMATCH:
reply.rreply.mismatch_info.low = RPCProto.mismatch_info_t()
reply.rreply.mismatch_info.low = arg.pop(0)
reply.rreply.mismatch_info.high = arg.pop(0)
elif reject_stat == AUTH_ERROR:
reply.rreply.astat = arg.pop(0)
else:
raise ValueError("unknown reject_stat: %u" % reject_stat)
else:
raise ValueError("unknown reply_stat: %u" % reply_stat)
p = Packer()
RPCProto.pack_rpc_msg(p, msg)
return p
def pack_reply(xid, *args):
"""Packs an RPC reply from a variable-length arg list (args):
MSG_ACCEPTED, verf, (SUCCESS | PROG_MISMATCH, low, hi | PROG_UNAVAIL
| PROC_UNAVAIL | GARBAGE_ARGS | SYSTEM_ERR)
MSG_DENIED, (RPC_MISMATCH, hi, low | AUTH_ERROR, auth_stat)
verf is an auth of the form (flavor, value)
Returns an xdrlib.Packer that the caller can use to add data,
such as the results of a SUCCESSful call.
"""
arg = list(args) # need a mutable list for pop()
msg = RPCProto.rpc_msg()
msg.xid = xid
msg.body = RPCProto.body_t()
msg.body.mtype = RPCProto.REPLY
msg.body.rbody = reply = RPCProto.reply_body()
reply.stat = reply_stat = arg.pop(0)
if reply_stat == MSG_ACCEPTED:
reply.areply = RPCProto.accepted_reply()
reply.areply.verf = verf = arg.pop(0)
reply.areply.reply_data = RPCProto.reply_data_t()
reply.areply.reply_data.stat = accept_stat = arg.pop(0)
if accept_stat == PROG_MISMATCH:
reply.areply.reply_data.mismatch_info = RPCProto.mismatch_info_t()
reply.areply.reply_data.mismatch_info.low = arg.pop(0)
reply.areply.reply_data.mismatch_info.high = arg.pop(0)
elif (accept_stat == SUCCESS):
reply.areply.reply_data.results = '' # FIXME?
elif (accept_stat == PROG_UNAVAIL or accept_stat == PROC_UNAVAIL
or accept_stat == GARBAGE_ARGS or accept_stat == SYSTEM_ERR):
pass
else:
raise ValueError("unknown accept_stat: %u" % accept_stat)
elif reply_stat == MSG_DENIED:
reply.rreply = RPCProto.rejected_reply()
reply.rreply.stat = reject_stat = arg.pop(0)
if reject_stat == RPC_MISMATCH:
reply.rreply.mismatch_info.low = RPCProto.mismatch_info_t()
reply.rreply.mismatch_info.low = arg.pop(0)
reply.rreply.mismatch_info.high = arg.pop(0)
elif reject_stat == AUTH_ERROR:
reply.rreply.astat = arg.pop(0)
else:
raise ValueError("unknown reject_stat: %u" % reject_stat)
else:
raise ValueError("unknown reply_stat: %u" % reply_stat)
p = Packer()
RPCProto.pack_rpc_msg(p, msg)
return p
