Girish Gowdru | ab836e9 | 2018-10-25 01:17:57 -0700 | [diff] [blame] | 1 | #
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| 2 | # Copyright 2018 the original author or authors.
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| 3 | #
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| 4 | # Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | # you may not use this file except in compliance with the License.
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| 6 | # You may obtain a copy of the License at
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| 7 | #
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| 8 | # http://www.apache.org/licenses/LICENSE-2.0
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| 9 | #
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| 10 | # Unless required by applicable law or agreed to in writing, software
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| 11 | # distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | # See the License for the specific language governing permissions and
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| 14 | # limitations under the License.
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| 15 | #
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| 16 | import json
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| 17 | import ast
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| 18 | from collections import namedtuple
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| 19 | import structlog
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| 20 | from enum import Enum
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| 21 |
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| 22 | from voltha.core.config.config_backend import ConsulStore
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| 23 | from voltha.core.config.config_backend import EtcdStore
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| 24 | from voltha.registry import registry
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| 25 | from voltha.adapters.openolt.protos import openolt_pb2
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| 26 |
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Girish Gowdru | ab836e9 | 2018-10-25 01:17:57 -0700 | [diff] [blame] | 27 | # logger
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| 28 | log = structlog.get_logger()
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| 29 |
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| 30 | DEFAULT_TECH_PROFILE_TABLE_ID = 64
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| 31 |
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| 32 | # Enums used while creating TechProfileInstance
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| 33 | Direction = Enum('Direction', ['UPSTREAM', 'DOWNSTREAM', 'BIDIRECTIONAL'],
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| 34 | start=0)
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| 35 | SchedulingPolicy = Enum('SchedulingPolicy',
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| 36 | ['WRR', 'StrictPriority', 'Hybrid'], start=0)
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| 37 | AdditionalBW = Enum('AdditionalBW', ['None', 'NA', 'BestEffort', 'Auto'],
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| 38 | start=0)
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| 39 | DiscardPolicy = Enum('DiscardPolicy',
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| 40 | ['TailDrop', 'WTailDrop', 'RED', 'WRED'], start=0)
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| 41 | InferredAdditionBWIndication = Enum('InferredAdditionBWIndication',
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| 42 | ['None', 'NoneAssured', 'BestEffort'],
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| 43 | start=0)
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| 44 |
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| 45 |
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| 46 | class InstanceControl(object):
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| 47 | # Default value constants
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| 48 | ONU_DEFAULT_INSTANCE = 'multi-instance'
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| 49 | UNI_DEFAULT_INSTANCE = 'single-instance'
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| 50 | DEFAULT_NUM_GEM_PORTS = 1
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| 51 | DEFAULT_GEM_PAYLOAD_SIZE = 'auto'
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| 52 |
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| 53 | def __init__(self, onu=ONU_DEFAULT_INSTANCE,
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| 54 | uni=UNI_DEFAULT_INSTANCE,
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| 55 | num_gem_ports=DEFAULT_NUM_GEM_PORTS,
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| 56 | max_gem_payload_size=DEFAULT_GEM_PAYLOAD_SIZE):
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| 57 | self.onu = onu
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| 58 | self.uni = uni
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| 59 | self.num_gem_ports = num_gem_ports
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| 60 | self.max_gem_payload_size = max_gem_payload_size
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| 61 |
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| 62 |
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| 63 | class Scheduler(object):
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| 64 | # Default value constants
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| 65 | DEFAULT_ADDITIONAL_BW = 'auto'
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| 66 | DEFAULT_PRIORITY = 0
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| 67 | DEFAULT_WEIGHT = 0
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| 68 | DEFAULT_Q_SCHED_POLICY = 'hybrid'
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| 69 |
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| 70 | def __init__(self, direction, additional_bw=DEFAULT_ADDITIONAL_BW,
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| 71 | priority=DEFAULT_PRIORITY,
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| 72 | weight=DEFAULT_WEIGHT,
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| 73 | q_sched_policy=DEFAULT_Q_SCHED_POLICY):
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| 74 | self.direction = direction
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| 75 | self.additional_bw = additional_bw
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| 76 | self.priority = priority
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| 77 | self.weight = weight
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| 78 | self.q_sched_policy = q_sched_policy
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| 79 |
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| 80 |
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| 81 | class GemPortAttribute(object):
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| 82 | # Default value constants
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| 83 | DEFAULT_AES_ENCRYPTION = 'True'
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| 84 | DEFAULT_PRIORITY_Q = 0
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| 85 | DEFAULT_WEIGHT = 0
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| 86 | DEFAULT_MAX_Q_SIZE = 'auto'
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| 87 | DEFAULT_DISCARD_POLICY = DiscardPolicy.TailDrop.name
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| 88 |
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| 89 | def __init__(self, pbit_map, discard_config,
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| 90 | aes_encryption=DEFAULT_AES_ENCRYPTION,
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| 91 | scheduling_policy=SchedulingPolicy.WRR.name,
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| 92 | priority_q=DEFAULT_PRIORITY_Q,
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| 93 | weight=DEFAULT_WEIGHT,
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| 94 | max_q_size=DEFAULT_MAX_Q_SIZE,
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| 95 | discard_policy=DiscardPolicy.TailDrop.name):
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| 96 | self.max_q_size = max_q_size
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| 97 | self.pbit_map = pbit_map
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| 98 | self.aes_encryption = aes_encryption
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| 99 | self.scheduling_policy = scheduling_policy
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| 100 | self.priority_q = priority_q
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| 101 | self.weight = weight
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| 102 | self.discard_policy = discard_policy
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| 103 | self.discard_config = discard_config
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| 104 |
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| 105 |
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| 106 | class DiscardConfig(object):
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| 107 | # Default value constants
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| 108 | DEFAULT_MIN_THRESHOLD = 0
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| 109 | DEFAULT_MAX_THRESHOLD = 0
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| 110 | DEFAULT_MAX_PROBABILITY = 0
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| 111 |
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| 112 | def __init__(self, min_threshold=DEFAULT_MIN_THRESHOLD,
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| 113 | max_threshold=DEFAULT_MAX_THRESHOLD,
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| 114 | max_probability=DEFAULT_MAX_PROBABILITY):
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| 115 | self.min_threshold = min_threshold
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| 116 | self.max_threshold = max_threshold
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| 117 | self.max_probability = max_probability
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| 118 |
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| 119 |
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| 120 | class TechProfile(object):
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| 121 | # Constants used in default tech profile
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| 122 | DEFAULT_TECH_PROFILE_NAME = 'Default_1tcont_1gem_Profile'
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| 123 | DEFAULT_VERSION = 1.0
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| 124 | DEFAULT_GEMPORTS_COUNT = 1
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| 125 | pbits = ['0b11111111']
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| 126 |
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| 127 | # Tech profile path prefix in kv store
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Girish Gowdru | b761bc1 | 2018-11-29 02:22:18 -0800 | [diff] [blame] | 128 | KV_STORE_TECH_PROFILE_PATH_PREFIX = 'service/voltha/technology_profiles'
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Girish Gowdru | ab836e9 | 2018-10-25 01:17:57 -0700 | [diff] [blame] | 129 |
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| 130 | # Tech profile path in kv store
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| 131 | TECH_PROFILE_PATH = '{}/{}' # <technology>/<table_id>
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| 132 |
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| 133 | # Tech profile instance path in kv store
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| 134 | # Format: <technology>/<table_id>/<uni_port_name>
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| 135 | TECH_PROFILE_INSTANCE_PATH = '{}/{}/{}'
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| 136 |
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| 137 | # Tech-Profile JSON String Keys
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| 138 | NAME = 'name'
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| 139 | PROFILE_TYPE = 'profile_type'
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| 140 | VERSION = 'version'
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| 141 | NUM_GEM_PORTS = 'num_gem_ports'
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| 142 | INSTANCE_CONTROL = 'instance_control'
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| 143 | US_SCHEDULER = 'us_scheduler'
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| 144 | DS_SCHEDULER = 'ds_scheduler'
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| 145 | UPSTREAM_GEM_PORT_ATTRIBUTE_LIST = 'upstream_gem_port_attribute_list'
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| 146 | DOWNSTREAM_GEM_PORT_ATTRIBUTE_LIST = 'downstream_gem_port_attribute_list'
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| 147 | ONU = 'onu'
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| 148 | UNI = 'uni'
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| 149 | MAX_GEM_PAYLOAD_SIZE = 'max_gem_payload_size'
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| 150 | DIRECTION = 'direction'
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| 151 | ADDITIONAL_BW = 'additional_bw'
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| 152 | PRIORITY = 'priority'
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| 153 | Q_SCHED_POLICY = 'q_sched_policy'
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| 154 | WEIGHT = 'weight'
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| 155 | PBIT_MAP = 'pbit_map'
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| 156 | DISCARD_CONFIG = 'discard_config'
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| 157 | MAX_THRESHOLD = 'max_threshold'
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| 158 | MIN_THRESHOLD = 'min_threshold'
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| 159 | MAX_PROBABILITY = 'max_probability'
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| 160 | DISCARD_POLICY = 'discard_policy'
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| 161 | PRIORITY_Q = 'priority_q'
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| 162 | SCHEDULING_POLICY = 'scheduling_policy'
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| 163 | MAX_Q_SIZE = 'max_q_size'
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| 164 | AES_ENCRYPTION = 'aes_encryption'
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| 165 |
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| 166 | def __init__(self, resource_mgr):
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| 167 | try:
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| 168 | self.args = registry('main').get_args()
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| 169 | self.resource_mgr = resource_mgr
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| 170 |
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| 171 | if self.args.backend == 'etcd':
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| 172 | # KV store's IP Address and PORT
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| 173 | host, port = self.args.etcd.split(':', 1)
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| 174 | self._kv_store = EtcdStore(
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| 175 | host, port, TechProfile.
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Girish Gowdru | b761bc1 | 2018-11-29 02:22:18 -0800 | [diff] [blame] | 176 | KV_STORE_TECH_PROFILE_PATH_PREFIX)
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Girish Gowdru | ab836e9 | 2018-10-25 01:17:57 -0700 | [diff] [blame] | 177 | elif self.args.backend == 'consul':
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| 178 | # KV store's IP Address and PORT
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| 179 | host, port = self.args.consul.split(':', 1)
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| 180 | self._kv_store = ConsulStore(
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| 181 | host, port, TechProfile.
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Girish Gowdru | b761bc1 | 2018-11-29 02:22:18 -0800 | [diff] [blame] | 182 | KV_STORE_TECH_PROFILE_PATH_PREFIX)
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Girish Gowdru | ab836e9 | 2018-10-25 01:17:57 -0700 | [diff] [blame] | 183 |
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| 184 | # self.tech_profile_instance_store = dict()
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| 185 | except Exception as e:
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| 186 | log.exception("exception-in-init")
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| 187 | raise Exception(e)
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| 188 |
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| 189 | class DefaultTechProfile(object):
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| 190 | def __init__(self, name, **kwargs):
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| 191 | self.name = name
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| 192 | self.profile_type = kwargs[TechProfile.PROFILE_TYPE]
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| 193 | self.version = kwargs[TechProfile.VERSION]
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| 194 | self.num_gem_ports = kwargs[TechProfile.NUM_GEM_PORTS]
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| 195 | self.instance_control = kwargs[TechProfile.INSTANCE_CONTROL]
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| 196 | self.us_scheduler = kwargs[TechProfile.US_SCHEDULER]
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| 197 | self.ds_scheduler = kwargs[TechProfile.DS_SCHEDULER]
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| 198 | self.upstream_gem_port_attribute_list = kwargs[
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| 199 | TechProfile.UPSTREAM_GEM_PORT_ATTRIBUTE_LIST]
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| 200 | self.downstream_gem_port_attribute_list = kwargs[
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| 201 | TechProfile.DOWNSTREAM_GEM_PORT_ATTRIBUTE_LIST]
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| 202 |
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| 203 | def to_json(self):
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| 204 | return json.dumps(self, default=lambda o: o.__dict__,
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| 205 | indent=4)
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| 206 |
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| 207 | def get_tp_path(self, table_id, uni_port_name):
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| 208 | return TechProfile.TECH_PROFILE_INSTANCE_PATH.format(
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| 209 | self.resource_mgr.technology, table_id, uni_port_name)
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| 210 |
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| 211 | def create_tech_profile_instance(self, table_id, uni_port_name, intf_id):
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| 212 | tech_profile_instance = None
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| 213 | try:
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| 214 | # Get tech profile from kv store
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| 215 | tech_profile = self._get_tech_profile_from_kv_store(table_id)
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| 216 | path = self.get_tp_path(table_id, uni_port_name)
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| 217 |
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| 218 | if tech_profile is not None:
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| 219 | tech_profile = self._get_tech_profile(tech_profile)
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| 220 | log.debug(
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| 221 | "Created-tech-profile-instance-with-values-from-kvstore")
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| 222 | else:
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| 223 | tech_profile = self._default_tech_profile()
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| 224 | log.debug(
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| 225 | "Created-tech-profile-instance-with-default-values")
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| 226 |
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| 227 | tech_profile_instance = TechProfileInstance(
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| 228 | uni_port_name, tech_profile, self.resource_mgr, intf_id)
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| 229 | self._add_tech_profile_instance(path,
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| 230 | tech_profile_instance.to_json())
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| 231 | except Exception as e:
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| 232 | log.exception("Create-tech-profile-instance-failed", exception=e)
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| 233 |
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| 234 | return tech_profile_instance
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| 235 |
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| 236 | def get_tech_profile_instance(self, table_id, uni_port_name):
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| 237 | # path to fetch tech profile instance json from kv store
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| 238 | path = TechProfile.TECH_PROFILE_INSTANCE_PATH.format(
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| 239 | self.resource_mgr.technology, table_id, uni_port_name)
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| 240 |
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| 241 | try:
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| 242 | tech_profile_instance = self._kv_store[path]
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| 243 | log.debug("Tech-profile-instance-present-in-kvstore", path=path,
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| 244 | tech_profile_instance=tech_profile_instance)
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| 245 |
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| 246 | # Parse JSON into an object with attributes corresponding to dict keys.
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| 247 | tech_profile_instance = json.loads(tech_profile_instance,
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| 248 | object_hook=lambda d:
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| 249 | namedtuple('tech_profile_instance',
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| 250 | d.keys())(*d.values()))
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| 251 | log.debug("Tech-profile-instance-after-json-to-object-conversion", path=path,
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| 252 | tech_profile_instance=tech_profile_instance)
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| 253 | return tech_profile_instance
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| 254 | except BaseException as e:
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| 255 | log.debug("Tech-profile-instance-not-present-in-kvstore",
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| 256 | path=path, tech_profile_instance=None, exception=e)
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| 257 | return None
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| 258 |
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Girish Gowdru | b761bc1 | 2018-11-29 02:22:18 -0800 | [diff] [blame] | 259 | def delete_tech_profile_instance(self, tp_path):
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Girish Gowdru | ab836e9 | 2018-10-25 01:17:57 -0700 | [diff] [blame] | 260 |
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| 261 | try:
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Girish Gowdru | b761bc1 | 2018-11-29 02:22:18 -0800 | [diff] [blame] | 262 | del self._kv_store[tp_path]
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| 263 | log.debug("Delete-tech-profile-instance-success", path=tp_path)
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Girish Gowdru | ab836e9 | 2018-10-25 01:17:57 -0700 | [diff] [blame] | 264 | return True
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| 265 | except Exception as e:
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Girish Gowdru | b761bc1 | 2018-11-29 02:22:18 -0800 | [diff] [blame] | 266 | log.debug("Delete-tech-profile-instance-failed", path=tp_path,
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Girish Gowdru | ab836e9 | 2018-10-25 01:17:57 -0700 | [diff] [blame] | 267 | exception=e)
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| 268 | return False
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| 269 |
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| 270 | def _get_tech_profile_from_kv_store(self, table_id):
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| 271 | """
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| 272 | Get tech profile from kv store.
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| 273 |
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| 274 | :param table_id: reference to get tech profile
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| 275 | :return: tech profile if present in kv store else None
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| 276 | """
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| 277 | # get tech profile from kv store
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| 278 | path = TechProfile.TECH_PROFILE_PATH.format(self.resource_mgr.technology,
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| 279 | table_id)
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| 280 | try:
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| 281 | tech_profile = self._kv_store[path]
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| 282 | if tech_profile != '':
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| 283 | log.debug("Get-tech-profile-success", tech_profile=tech_profile)
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| 284 | return json.loads(tech_profile)
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| 285 | # return ast.literal_eval(tech_profile)
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| 286 | except KeyError as e:
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| 287 | log.info("Get-tech-profile-failed", exception=e)
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| 288 | return None
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| 289 |
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| 290 | def _default_tech_profile(self):
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| 291 | # Default tech profile
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| 292 | upstream_gem_port_attribute_list = list()
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| 293 | downstream_gem_port_attribute_list = list()
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| 294 | for pbit in TechProfile.pbits:
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| 295 | upstream_gem_port_attribute_list.append(
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| 296 | GemPortAttribute(pbit_map=pbit,
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| 297 | discard_config=DiscardConfig()))
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| 298 | downstream_gem_port_attribute_list.append(
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| 299 | GemPortAttribute(pbit_map=pbit,
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| 300 | discard_config=DiscardConfig()))
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| 301 |
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| 302 | return TechProfile.DefaultTechProfile(
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| 303 | TechProfile.DEFAULT_TECH_PROFILE_NAME,
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| 304 | profile_type=self.resource_mgr.technology,
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| 305 | version=TechProfile.DEFAULT_VERSION,
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| 306 | num_gem_ports=TechProfile.DEFAULT_GEMPORTS_COUNT,
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| 307 | instance_control=InstanceControl(),
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| 308 | us_scheduler=Scheduler(direction=Direction.UPSTREAM.name),
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| 309 | ds_scheduler=Scheduler(direction=Direction.DOWNSTREAM.name),
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| 310 | upstream_gem_port_attribute_list=upstream_gem_port_attribute_list,
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| 311 | downstream_gem_port_attribute_list=
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| 312 | downstream_gem_port_attribute_list)
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| 313 |
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| 314 | @staticmethod
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| 315 | def _get_tech_profile(tech_profile):
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| 316 | # Tech profile fetched from kv store
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| 317 | instance_control = tech_profile[TechProfile.INSTANCE_CONTROL]
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| 318 | instance_control = InstanceControl(
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| 319 | onu=instance_control[TechProfile.ONU],
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| 320 | uni=instance_control[TechProfile.UNI],
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| 321 | max_gem_payload_size=instance_control[
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| 322 | TechProfile.MAX_GEM_PAYLOAD_SIZE])
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| 323 |
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| 324 | us_scheduler = tech_profile[TechProfile.US_SCHEDULER]
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| 325 | us_scheduler = Scheduler(direction=us_scheduler[TechProfile.DIRECTION],
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| 326 | additional_bw=us_scheduler[
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| 327 | TechProfile.ADDITIONAL_BW],
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| 328 | priority=us_scheduler[TechProfile.PRIORITY],
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| 329 | weight=us_scheduler[TechProfile.WEIGHT],
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| 330 | q_sched_policy=us_scheduler[
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| 331 | TechProfile.Q_SCHED_POLICY])
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| 332 | ds_scheduler = tech_profile[TechProfile.DS_SCHEDULER]
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| 333 | ds_scheduler = Scheduler(direction=ds_scheduler[TechProfile.DIRECTION],
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| 334 | additional_bw=ds_scheduler[
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| 335 | TechProfile.ADDITIONAL_BW],
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| 336 | priority=ds_scheduler[TechProfile.PRIORITY],
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| 337 | weight=ds_scheduler[TechProfile.WEIGHT],
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| 338 | q_sched_policy=ds_scheduler[
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| 339 | TechProfile.Q_SCHED_POLICY])
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| 340 |
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| 341 | upstream_gem_port_attribute_list = list()
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| 342 | downstream_gem_port_attribute_list = list()
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| 343 | us_gemport_attr_list = tech_profile[
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| 344 | TechProfile.UPSTREAM_GEM_PORT_ATTRIBUTE_LIST]
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| 345 | for i in range(len(us_gemport_attr_list)):
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| 346 | upstream_gem_port_attribute_list.append(
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| 347 | GemPortAttribute(pbit_map=us_gemport_attr_list[i][TechProfile.PBIT_MAP],
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| 348 | discard_config=DiscardConfig(
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| 349 | max_threshold=
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| 350 | us_gemport_attr_list[i][TechProfile.DISCARD_CONFIG][
|
| 351 | TechProfile.MAX_THRESHOLD],
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| 352 | min_threshold=
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| 353 | us_gemport_attr_list[i][TechProfile.DISCARD_CONFIG][
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| 354 | TechProfile.MIN_THRESHOLD],
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| 355 | max_probability=
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| 356 | us_gemport_attr_list[i][TechProfile.DISCARD_CONFIG][
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| 357 | TechProfile.MAX_PROBABILITY]),
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| 358 | discard_policy=us_gemport_attr_list[i][
|
| 359 | TechProfile.DISCARD_POLICY],
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| 360 | priority_q=us_gemport_attr_list[i][
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| 361 | TechProfile.PRIORITY_Q],
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| 362 | weight=us_gemport_attr_list[i][TechProfile.WEIGHT],
|
| 363 | scheduling_policy=us_gemport_attr_list[i][
|
| 364 | TechProfile.SCHEDULING_POLICY],
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| 365 | max_q_size=us_gemport_attr_list[i][
|
| 366 | TechProfile.MAX_Q_SIZE],
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| 367 | aes_encryption=us_gemport_attr_list[i][
|
| 368 | TechProfile.AES_ENCRYPTION]))
|
| 369 |
|
| 370 | ds_gemport_attr_list = tech_profile[
|
| 371 | TechProfile.DOWNSTREAM_GEM_PORT_ATTRIBUTE_LIST]
|
| 372 | for i in range(len(ds_gemport_attr_list)):
|
| 373 | downstream_gem_port_attribute_list.append(
|
| 374 | GemPortAttribute(pbit_map=ds_gemport_attr_list[i][TechProfile.PBIT_MAP],
|
| 375 | discard_config=DiscardConfig(
|
| 376 | max_threshold=
|
| 377 | ds_gemport_attr_list[i][TechProfile.DISCARD_CONFIG][
|
| 378 | TechProfile.MAX_THRESHOLD],
|
| 379 | min_threshold=
|
| 380 | ds_gemport_attr_list[i][TechProfile.DISCARD_CONFIG][
|
| 381 | TechProfile.MIN_THRESHOLD],
|
| 382 | max_probability=
|
| 383 | ds_gemport_attr_list[i][TechProfile.DISCARD_CONFIG][
|
| 384 | TechProfile.MAX_PROBABILITY]),
|
| 385 | discard_policy=ds_gemport_attr_list[i][
|
| 386 | TechProfile.DISCARD_POLICY],
|
| 387 | priority_q=ds_gemport_attr_list[i][
|
| 388 | TechProfile.PRIORITY_Q],
|
| 389 | weight=ds_gemport_attr_list[i][TechProfile.WEIGHT],
|
| 390 | scheduling_policy=ds_gemport_attr_list[i][
|
| 391 | TechProfile.SCHEDULING_POLICY],
|
| 392 | max_q_size=ds_gemport_attr_list[i][
|
| 393 | TechProfile.MAX_Q_SIZE],
|
| 394 | aes_encryption=ds_gemport_attr_list[i][
|
| 395 | TechProfile.AES_ENCRYPTION]))
|
| 396 |
|
| 397 | return TechProfile.DefaultTechProfile(
|
| 398 | tech_profile[TechProfile.NAME],
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| 399 | profile_type=tech_profile[TechProfile.PROFILE_TYPE],
|
| 400 | version=tech_profile[TechProfile.VERSION],
|
| 401 | num_gem_ports=tech_profile[TechProfile.NUM_GEM_PORTS],
|
| 402 | instance_control=instance_control,
|
| 403 | us_scheduler=us_scheduler,
|
| 404 | ds_scheduler=ds_scheduler,
|
| 405 | upstream_gem_port_attribute_list=upstream_gem_port_attribute_list,
|
| 406 | downstream_gem_port_attribute_list=
|
| 407 | downstream_gem_port_attribute_list)
|
| 408 |
|
| 409 | def _add_tech_profile_instance(self, path, tech_profile_instance):
|
| 410 | """
|
| 411 | Add tech profile to kv store.
|
| 412 |
|
| 413 | :param path: path to add tech profile
|
| 414 | :param tech_profile_instance: tech profile instance need to be added
|
| 415 | """
|
| 416 | try:
|
| 417 | self._kv_store[path] = str(tech_profile_instance)
|
| 418 | log.debug("Add-tech-profile-instance-success", path=path,
|
| 419 | tech_profile_instance=tech_profile_instance)
|
| 420 | return True
|
| 421 | except BaseException as e:
|
| 422 | log.exception("Add-tech-profile-instance-failed", path=path,
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| 423 | tech_profile_instance=tech_profile_instance,
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| 424 | exception=e)
|
| 425 | return False
|
| 426 |
|
| 427 | @staticmethod
|
| 428 | def get_us_scheduler(tech_profile_instance):
|
| 429 | # upstream scheduler
|
| 430 | us_scheduler = openolt_pb2.Scheduler(
|
| 431 | direction=TechProfile.get_parameter(
|
| 432 | 'direction', tech_profile_instance.us_scheduler.
|
| 433 | direction),
|
| 434 | additional_bw=TechProfile.get_parameter(
|
| 435 | 'additional_bw', tech_profile_instance.
|
| 436 | us_scheduler.additional_bw),
|
| 437 | priority=tech_profile_instance.us_scheduler.priority,
|
| 438 | weight=tech_profile_instance.us_scheduler.weight,
|
| 439 | sched_policy=TechProfile.get_parameter(
|
| 440 | 'sched_policy', tech_profile_instance.
|
| 441 | us_scheduler.q_sched_policy))
|
| 442 |
|
| 443 | return us_scheduler
|
| 444 |
|
| 445 | @staticmethod
|
| 446 | def get_ds_scheduler(tech_profile_instance):
|
| 447 | ds_scheduler = openolt_pb2.Scheduler(
|
| 448 | direction=TechProfile.get_parameter(
|
| 449 | 'direction', tech_profile_instance.ds_scheduler.
|
| 450 | direction),
|
| 451 | additional_bw=TechProfile.get_parameter(
|
| 452 | 'additional_bw', tech_profile_instance.
|
| 453 | ds_scheduler.additional_bw),
|
| 454 | priority=tech_profile_instance.ds_scheduler.priority,
|
| 455 | weight=tech_profile_instance.ds_scheduler.weight,
|
| 456 | sched_policy=TechProfile.get_parameter(
|
| 457 | 'sched_policy', tech_profile_instance.ds_scheduler.
|
| 458 | q_sched_policy))
|
| 459 |
|
| 460 | return ds_scheduler
|
| 461 |
|
| 462 | @staticmethod
|
| 463 | def get_tconts(tech_profile_instance, us_scheduler=None, ds_scheduler=None):
|
| 464 | if us_scheduler is None:
|
| 465 | us_scheduler = TechProfile.get_us_scheduler(tech_profile_instance)
|
| 466 | if ds_scheduler is None:
|
| 467 | ds_scheduler = TechProfile.get_ds_scheduler(tech_profile_instance)
|
| 468 |
|
| 469 | tconts = [openolt_pb2.Tcont(direction=TechProfile.get_parameter(
|
| 470 | 'direction',
|
| 471 | tech_profile_instance.
|
| 472 | us_scheduler.direction),
|
| 473 | alloc_id=tech_profile_instance.
|
| 474 | us_scheduler.alloc_id,
|
| 475 | scheduler=us_scheduler),
|
| 476 | openolt_pb2.Tcont(direction=TechProfile.get_parameter(
|
| 477 | 'direction',
|
| 478 | tech_profile_instance.
|
| 479 | ds_scheduler.direction),
|
| 480 | alloc_id=tech_profile_instance.
|
| 481 | ds_scheduler.alloc_id,
|
| 482 | scheduler=ds_scheduler)]
|
| 483 |
|
| 484 | return tconts
|
| 485 |
|
| 486 | @staticmethod
|
| 487 | def get_parameter(param_type, param_value):
|
| 488 | parameter = None
|
| 489 | try:
|
| 490 | if param_type == 'direction':
|
| 491 | for direction in openolt_pb2.Direction.keys():
|
| 492 | if param_value == direction:
|
| 493 | parameter = direction
|
| 494 | elif param_type == 'discard_policy':
|
| 495 | for discard_policy in openolt_pb2.DiscardPolicy.keys():
|
| 496 | if param_value == discard_policy:
|
| 497 | parameter = discard_policy
|
| 498 | elif param_type == 'sched_policy':
|
| 499 | for sched_policy in openolt_pb2.SchedulingPolicy.keys():
|
| 500 | if param_value == sched_policy:
|
| 501 | parameter = sched_policy
|
| 502 | elif param_type == 'additional_bw':
|
| 503 | for bw_component in openolt_pb2.AdditionalBW.keys():
|
| 504 | if param_value == bw_component:
|
| 505 | parameter = bw_component
|
| 506 | except BaseException as e:
|
| 507 | log.exception(exception=e)
|
| 508 | return parameter
|
| 509 |
|
| 510 |
|
| 511 | class TechProfileInstance(object):
|
| 512 | def __init__(self, subscriber_identifier, tech_profile, resource_mgr,
|
| 513 | intf_id, num_of_tconts=1):
|
| 514 | if tech_profile is not None:
|
| 515 | self.subscriber_identifier = subscriber_identifier
|
| 516 | self.num_of_tconts = num_of_tconts
|
| 517 | self.num_of_gem_ports = tech_profile.num_gem_ports
|
| 518 | self.name = tech_profile.name
|
| 519 | self.profile_type = tech_profile.profile_type
|
| 520 | self.version = tech_profile.version
|
| 521 | self.instance_control = tech_profile.instance_control
|
| 522 |
|
| 523 | # TODO: Fixed num_of_tconts to 1 per TP Instance.
|
| 524 | # This may change in future
|
| 525 | assert (num_of_tconts == 1)
|
| 526 | # Get alloc id and gemport id using resource manager
|
| 527 | alloc_id = resource_mgr.get_resource_id(intf_id,
|
| 528 | 'ALLOC_ID',
|
| 529 | num_of_tconts)
|
| 530 | gem_ports = resource_mgr.get_resource_id(intf_id,
|
| 531 | 'GEMPORT_ID',
|
| 532 | self.num_of_gem_ports)
|
| 533 |
|
| 534 | gemport_list = list()
|
| 535 | if isinstance(gem_ports, int):
|
Girish Gowdru | b761bc1 | 2018-11-29 02:22:18 -0800 | [diff] [blame] | 536 | gemport_list.append(gem_ports)
|
Girish Gowdru | ab836e9 | 2018-10-25 01:17:57 -0700 | [diff] [blame] | 537 | elif isinstance(gem_ports, list):
|
| 538 | for gem in gem_ports:
|
| 539 | gemport_list.append(gem)
|
| 540 | else:
|
| 541 | raise Exception("invalid-type")
|
| 542 |
|
| 543 | self.us_scheduler = TechProfileInstance.IScheduler(
|
| 544 | alloc_id, tech_profile.us_scheduler)
|
| 545 | self.ds_scheduler = TechProfileInstance.IScheduler(
|
| 546 | alloc_id, tech_profile.ds_scheduler)
|
| 547 |
|
| 548 | self.upstream_gem_port_attribute_list = list()
|
| 549 | self.downstream_gem_port_attribute_list = list()
|
| 550 | for i in range(self.num_of_gem_ports):
|
| 551 | self.upstream_gem_port_attribute_list.append(
|
| 552 | TechProfileInstance.IGemPortAttribute(
|
| 553 | gemport_list[i],
|
| 554 | tech_profile.upstream_gem_port_attribute_list[
|
| 555 | i]))
|
| 556 | self.downstream_gem_port_attribute_list.append(
|
| 557 | TechProfileInstance.IGemPortAttribute(
|
| 558 | gemport_list[i],
|
| 559 | tech_profile.downstream_gem_port_attribute_list[
|
| 560 | i]))
|
| 561 |
|
| 562 | class IScheduler(Scheduler):
|
| 563 | def __init__(self, alloc_id, scheduler):
|
| 564 | super(TechProfileInstance.IScheduler, self).__init__(
|
| 565 | scheduler.direction, scheduler.additional_bw,
|
| 566 | scheduler.priority,
|
| 567 | scheduler.weight, scheduler.q_sched_policy)
|
| 568 | self.alloc_id = alloc_id
|
| 569 |
|
| 570 | class IGemPortAttribute(GemPortAttribute):
|
| 571 | def __init__(self, gemport_id, gem_port_attribute):
|
| 572 | super(TechProfileInstance.IGemPortAttribute, self).__init__(
|
| 573 | gem_port_attribute.pbit_map, gem_port_attribute.discard_config,
|
| 574 | gem_port_attribute.aes_encryption,
|
| 575 | gem_port_attribute.scheduling_policy,
|
| 576 | gem_port_attribute.priority_q, gem_port_attribute.weight,
|
| 577 | gem_port_attribute.max_q_size,
|
| 578 | gem_port_attribute.discard_policy)
|
| 579 | self.gemport_id = gemport_id
|
| 580 |
|
| 581 | def to_json(self):
|
| 582 | return json.dumps(self, default=lambda o: o.__dict__,
|
| 583 | indent=4)
|