blob: 5814e3177fd1ddfbf3ad3c66caf915d4eebba08a [file] [log] [blame]
# Copyright 2017-present Open Networking Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior University
# Copyright (c) 2011, 2012 Open Networking Foundation
# Copyright (c) 2012, 2013 Big Switch Networks, Inc.
# See the file LICENSE.pyloxi which should have been included in the source distribution
# Automatically generated by LOXI from template module.py
# Do not modify
import struct
import loxi
import util
import loxi.generic_util
import sys
ofp = sys.modules['loxi.of13']
class action_id(loxi.OFObject):
subtypes = {}
def __init__(self, type=None):
if type != None:
self.type = type
else:
self.type = 0
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
subtype, = reader.peek('!H', 0)
subclass = action_id.subtypes.get(subtype)
if subclass:
return subclass.unpack(reader)
obj = action_id()
obj.type = reader.read("!H")[0]
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
if self.type != other.type: return False
return True
def pretty_print(self, q):
q.text("action_id {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
class experimenter(action_id):
subtypes = {}
type = 65535
def __init__(self, experimenter=None):
if experimenter != None:
self.experimenter = experimenter
else:
self.experimenter = 0
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
packed.append(struct.pack("!L", self.experimenter))
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
subtype, = reader.peek('!L', 4)
subclass = experimenter.subtypes.get(subtype)
if subclass:
return subclass.unpack(reader)
obj = experimenter()
_type = reader.read("!H")[0]
assert(_type == 65535)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
obj.experimenter = reader.read("!L")[0]
return obj
def __eq__(self, other):
if type(self) != type(other): return False
if self.experimenter != other.experimenter: return False
return True
def pretty_print(self, q):
q.text("experimenter {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[65535] = experimenter
class bsn(experimenter):
subtypes = {}
type = 65535
experimenter = 6035143
def __init__(self, subtype=None):
if subtype != None:
self.subtype = subtype
else:
self.subtype = 0
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
packed.append(struct.pack("!L", self.experimenter))
packed.append(struct.pack("!L", self.subtype))
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
subtype, = reader.peek('!L', 8)
subclass = bsn.subtypes.get(subtype)
if subclass:
return subclass.unpack(reader)
obj = bsn()
_type = reader.read("!H")[0]
assert(_type == 65535)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
_experimenter = reader.read("!L")[0]
assert(_experimenter == 6035143)
obj.subtype = reader.read("!L")[0]
return obj
def __eq__(self, other):
if type(self) != type(other): return False
if self.subtype != other.subtype: return False
return True
def pretty_print(self, q):
q.text("bsn {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
experimenter.subtypes[6035143] = bsn
class bsn_checksum(bsn):
type = 65535
experimenter = 6035143
subtype = 4
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
packed.append(struct.pack("!L", self.experimenter))
packed.append(struct.pack("!L", self.subtype))
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = bsn_checksum()
_type = reader.read("!H")[0]
assert(_type == 65535)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
_experimenter = reader.read("!L")[0]
assert(_experimenter == 6035143)
_subtype = reader.read("!L")[0]
assert(_subtype == 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("bsn_checksum {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
bsn.subtypes[4] = bsn_checksum
class bsn_gentable(bsn):
type = 65535
experimenter = 6035143
subtype = 5
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
packed.append(struct.pack("!L", self.experimenter))
packed.append(struct.pack("!L", self.subtype))
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = bsn_gentable()
_type = reader.read("!H")[0]
assert(_type == 65535)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
_experimenter = reader.read("!L")[0]
assert(_experimenter == 6035143)
_subtype = reader.read("!L")[0]
assert(_subtype == 5)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("bsn_gentable {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
bsn.subtypes[5] = bsn_gentable
class bsn_mirror(bsn):
type = 65535
experimenter = 6035143
subtype = 1
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
packed.append(struct.pack("!L", self.experimenter))
packed.append(struct.pack("!L", self.subtype))
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = bsn_mirror()
_type = reader.read("!H")[0]
assert(_type == 65535)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
_experimenter = reader.read("!L")[0]
assert(_experimenter == 6035143)
_subtype = reader.read("!L")[0]
assert(_subtype == 1)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("bsn_mirror {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
bsn.subtypes[1] = bsn_mirror
class bsn_set_tunnel_dst(bsn):
type = 65535
experimenter = 6035143
subtype = 2
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
packed.append(struct.pack("!L", self.experimenter))
packed.append(struct.pack("!L", self.subtype))
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = bsn_set_tunnel_dst()
_type = reader.read("!H")[0]
assert(_type == 65535)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
_experimenter = reader.read("!L")[0]
assert(_experimenter == 6035143)
_subtype = reader.read("!L")[0]
assert(_subtype == 2)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("bsn_set_tunnel_dst {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
bsn.subtypes[2] = bsn_set_tunnel_dst
class copy_ttl_in(action_id):
type = 12
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = copy_ttl_in()
_type = reader.read("!H")[0]
assert(_type == 12)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("copy_ttl_in {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[12] = copy_ttl_in
class copy_ttl_out(action_id):
type = 11
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = copy_ttl_out()
_type = reader.read("!H")[0]
assert(_type == 11)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("copy_ttl_out {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[11] = copy_ttl_out
class dec_mpls_ttl(action_id):
type = 16
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = dec_mpls_ttl()
_type = reader.read("!H")[0]
assert(_type == 16)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("dec_mpls_ttl {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[16] = dec_mpls_ttl
class dec_nw_ttl(action_id):
type = 24
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = dec_nw_ttl()
_type = reader.read("!H")[0]
assert(_type == 24)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("dec_nw_ttl {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[24] = dec_nw_ttl
class group(action_id):
type = 22
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = group()
_type = reader.read("!H")[0]
assert(_type == 22)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("group {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[22] = group
class nicira(experimenter):
subtypes = {}
type = 65535
experimenter = 8992
def __init__(self, subtype=None):
if subtype != None:
self.subtype = subtype
else:
self.subtype = 0
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
packed.append(struct.pack("!L", self.experimenter))
packed.append(struct.pack("!H", self.subtype))
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
subtype, = reader.peek('!H', 8)
subclass = nicira.subtypes.get(subtype)
if subclass:
return subclass.unpack(reader)
obj = nicira()
_type = reader.read("!H")[0]
assert(_type == 65535)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
_experimenter = reader.read("!L")[0]
assert(_experimenter == 8992)
obj.subtype = reader.read("!H")[0]
return obj
def __eq__(self, other):
if type(self) != type(other): return False
if self.subtype != other.subtype: return False
return True
def pretty_print(self, q):
q.text("nicira {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
experimenter.subtypes[8992] = nicira
class nicira_dec_ttl(nicira):
type = 65535
experimenter = 8992
subtype = 18
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
packed.append(struct.pack("!L", self.experimenter))
packed.append(struct.pack("!H", self.subtype))
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = nicira_dec_ttl()
_type = reader.read("!H")[0]
assert(_type == 65535)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
_experimenter = reader.read("!L")[0]
assert(_experimenter == 8992)
_subtype = reader.read("!H")[0]
assert(_subtype == 18)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("nicira_dec_ttl {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
nicira.subtypes[18] = nicira_dec_ttl
class output(action_id):
type = 0
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = output()
_type = reader.read("!H")[0]
assert(_type == 0)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("output {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[0] = output
class pop_mpls(action_id):
type = 20
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = pop_mpls()
_type = reader.read("!H")[0]
assert(_type == 20)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("pop_mpls {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[20] = pop_mpls
class pop_pbb(action_id):
type = 27
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = pop_pbb()
_type = reader.read("!H")[0]
assert(_type == 27)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("pop_pbb {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[27] = pop_pbb
class pop_vlan(action_id):
type = 18
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = pop_vlan()
_type = reader.read("!H")[0]
assert(_type == 18)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("pop_vlan {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[18] = pop_vlan
class push_mpls(action_id):
type = 19
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = push_mpls()
_type = reader.read("!H")[0]
assert(_type == 19)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("push_mpls {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[19] = push_mpls
class push_pbb(action_id):
type = 26
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = push_pbb()
_type = reader.read("!H")[0]
assert(_type == 26)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("push_pbb {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[26] = push_pbb
class push_vlan(action_id):
type = 17
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = push_vlan()
_type = reader.read("!H")[0]
assert(_type == 17)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("push_vlan {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[17] = push_vlan
class set_field(action_id):
type = 25
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = set_field()
_type = reader.read("!H")[0]
assert(_type == 25)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("set_field {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[25] = set_field
class set_mpls_ttl(action_id):
type = 15
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = set_mpls_ttl()
_type = reader.read("!H")[0]
assert(_type == 15)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("set_mpls_ttl {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[15] = set_mpls_ttl
class set_nw_ttl(action_id):
type = 23
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = set_nw_ttl()
_type = reader.read("!H")[0]
assert(_type == 23)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("set_nw_ttl {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[23] = set_nw_ttl
class set_queue(action_id):
type = 21
def __init__(self):
return
def pack(self):
packed = []
packed.append(struct.pack("!H", self.type))
packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
length = sum([len(x) for x in packed])
packed[1] = struct.pack("!H", length)
return ''.join(packed)
@staticmethod
def unpack(reader):
obj = set_queue()
_type = reader.read("!H")[0]
assert(_type == 21)
_len = reader.read("!H")[0]
orig_reader = reader
reader = orig_reader.slice(_len, 4)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
return True
def pretty_print(self, q):
q.text("set_queue {")
with q.group():
with q.indent(2):
q.breakable()
q.breakable()
q.text('}')
action_id.subtypes[21] = set_queue