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import networkx as nx
import json
from typing import Dict, List
class SingleDstPath(Dict):
partition: int
edges: List[List] # [[src, dst, edge data]]
class BroadCastTopology:
def __init__(self, src: str, dsts: List[str], num_partitions: int = 4, paths: Dict[str, SingleDstPath] = None):
self.src = src # single str
self.dsts = dsts # list of strs
self.num_partitions = num_partitions
# dict(dst) --> dict(partition) --> list(nx.edges)
# example: {dst1: {partition1: [src->node1, node1->dst1], partition 2: [src->dst1]}}
if paths is not None:
self.paths = paths
self.set_graph()
else:
self.paths = {dst: SingleDstPath().fromkeys(range(num_partitions)) for dst in dsts}
def get_paths(self):
print(f"now the set path is: {self.paths}")
return self.paths
def set_num_partitions(self, num_partitions: int):
self.num_partitions = num_partitions
def set_dst_partition_paths(self, dst: str, partition: int, paths: List[List]):
"""
Set paths for partition = partition to reach dst
"""
partition = str(partition)
self.paths[dst][partition] = paths
def append_dst_partition_path(self, dst: str, partition: int, path: List):
"""
Append path for partition = partition to reach dst
"""
partition = str(partition)
if self.paths[dst][partition] is None:
self.paths[dst][partition] = []
self.paths[dst][partition].append(path)
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