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-rw-r--r--osdf/optimizers/pciopt/solver/__init__.py0
-rw-r--r--osdf/optimizers/pciopt/solver/min_confusion.mzn95
-rw-r--r--osdf/optimizers/pciopt/solver/no_conflicts_no_confusion.mzn86
-rw-r--r--osdf/optimizers/pciopt/solver/optimizer.py82
-rw-r--r--osdf/optimizers/pciopt/solver/pci_utils.py39
5 files changed, 0 insertions, 302 deletions
diff --git a/osdf/optimizers/pciopt/solver/__init__.py b/osdf/optimizers/pciopt/solver/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/osdf/optimizers/pciopt/solver/__init__.py
+++ /dev/null
diff --git a/osdf/optimizers/pciopt/solver/min_confusion.mzn b/osdf/optimizers/pciopt/solver/min_confusion.mzn
deleted file mode 100644
index 803f914..0000000
--- a/osdf/optimizers/pciopt/solver/min_confusion.mzn
+++ /dev/null
@@ -1,95 +0,0 @@
-% -------------------------------------------------------------------------
-% Copyright (c) 2018 AT&T Intellectual Property
-%
-% 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.
-%
-% -------------------------------------------------------------------------
-%
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Parameters and its assertions
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-% Number of cells/radios.
-int: NUM_NODES;
-
-% Maximum number of Physical Cell Identifiers to be assigned to the nodes.
-int: NUM_PCIS;
-
-% Number of edges between neighbor nodes. There is a edge (i,j) if and only
-% if nodes i and j are neighbors, i.e., an user equipment (UE) can make
-% handoff between i and j. Such edges are used to avoid **CONFLICTS**, i.e.,
-% to guarantee that nodes i and j have different PCIs.
-int: NUM_CONFLICT_EDGES;
-
-% Each line represents an edge between direct neighbors as defined before.
-array[1..NUM_CONFLICT_EDGES, 1..2] of int: CONFLICT_EDGES;
-
-% Number of undirect neighbor pairs (j, k) such that both j and k are direct
-% neighbors of node i, i.e., (j, k) exits if and only if exists (i, j) and
-% (i, k). Nodes (i, k) can generate "confunsions" in the network if they have
-% the same PCI. Such edges are used to avoid/minimize **CONFUSIONS**.
-int: NUM_CONFUSION_EDGES;
-
-% Each line represents an edge between undirect neighbors as defined before.
-array[1..NUM_CONFUSION_EDGES, 1..2] of int: CONFUSION_EDGES;
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Decision variables
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-% Defines the PCI for each node.
-array[0..NUM_NODES-1] of var 0..NUM_PCIS-1: pci;
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Constraints
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-% Direct neighbors must have different PCIs for avoid **CONFLICTS**.
-constraint
-forall(i in 1..NUM_CONFLICT_EDGES)(
- pci[CONFLICT_EDGES[i, 1]] != pci[CONFLICT_EDGES[i, 2]]
-);
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Objective function
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-% Total number of confusions.
-var int: total_confusions =
- sum([bool2int(pci[CONFUSION_EDGES[i, 1]] == pci[CONFUSION_EDGES[i, 2]])
- | i in 1..NUM_CONFUSION_EDGES]);
-
-% Minimize the total number of confusions.
-solve :: int_search(pci, smallest, indomain_min, complete)
-minimize total_confusions;
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Output
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-output
-["PCI assigment"] ++
-["\nnode,pci"] ++
-[
- "\n" ++ show(node) ++ "," ++ show(pci[node])
-| node in 0..NUM_NODES-1
-] ++
-
-["\n\nConfusions"] ++
-["\nTotal confusions: " ++ show(total_confusions)] ++
-["\nConfusion pairs"] ++
-[
- "\n" ++ show(CONFUSION_EDGES[i, 1]) ++ "," ++ show(CONFUSION_EDGES[i, 2])
-| i in 1..NUM_CONFUSION_EDGES where
- fix(pci[CONFUSION_EDGES[i, 1]] == pci[CONFUSION_EDGES[i, 2]])
-]
diff --git a/osdf/optimizers/pciopt/solver/no_conflicts_no_confusion.mzn b/osdf/optimizers/pciopt/solver/no_conflicts_no_confusion.mzn
deleted file mode 100644
index 19fabb9..0000000
--- a/osdf/optimizers/pciopt/solver/no_conflicts_no_confusion.mzn
+++ /dev/null
@@ -1,86 +0,0 @@
-% -------------------------------------------------------------------------
-% Copyright (c) 2018 AT&T Intellectual Property
-%
-% 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.
-%
-% -------------------------------------------------------------------------
-%
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Parameters and its assertions
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-% Number of cells/radios.
-int: NUM_NODES;
-
-% Maximum number of Physical Cell Identifiers to be assigned to the nodes.
-int: NUM_PCIS;
-
-% Number of edges between neighbor nodes. There is a edge (i,j) if and only
-% if nodes i and j are neighbors, i.e., an user equipment (UE) can make
-% handoff between i and j. Such edges are used to avoid **CONFLICTS**, i.e.,
-% to guarantee that nodes i and j have different PCIs.
-int: NUM_CONFLICT_EDGES;
-
-% Each line represents an edge between direct neighbors as defined before.
-array[1..NUM_CONFLICT_EDGES, 1..2] of int: CONFLICT_EDGES;
-
-% Number of undirect neighbor pairs (j, k) such that both j and k are direct
-% neighbors of node i, i.e., (j, k) exits if and only if exists (i, j) and
-% (i, k). Nodes (i, k) can generate "confunsions" in the network if they have
-% the same PCI. Such edges are used to avoid/minimize **CONFUSIONS**.
-int: NUM_CONFUSION_EDGES;
-
-% Each line represents an edge between undirect neighbors as defined before.
-array[1..NUM_CONFUSION_EDGES, 1..2] of int: CONFUSION_EDGES;
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Decision variables
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-% Defines the PCI for each node.
-array[0..NUM_NODES-1] of var 0..NUM_PCIS-1: pci;
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Constraints
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-% Direct neighbors must have different PCIs for avoid **CONFLICTS**.
-constraint
-forall(i in 1..NUM_CONFLICT_EDGES)(
- pci[CONFLICT_EDGES[i, 1]] != pci[CONFLICT_EDGES[i, 2]]
-);
-
-% Undirect neighbors must have different PCIs for avoid **CONFUSIONS**.
-constraint
-forall(i in 1..NUM_CONFUSION_EDGES)(
- pci[CONFUSION_EDGES[i, 1]] != pci[CONFUSION_EDGES[i, 2]]
-);
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Objective function
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-% Just satisfy the problem.
-solve :: int_search(pci, smallest, indomain_min, complete) satisfy;
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Output
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-output
-["node,pci\n"] ++
-[
- show(node) ++ "," ++ show(pci[node]) ++ "\n"
-| node in 0..NUM_NODES-1
-]
diff --git a/osdf/optimizers/pciopt/solver/optimizer.py b/osdf/optimizers/pciopt/solver/optimizer.py
deleted file mode 100644
index e9fcb0d..0000000
--- a/osdf/optimizers/pciopt/solver/optimizer.py
+++ /dev/null
@@ -1,82 +0,0 @@
-# -------------------------------------------------------------------------
-# Copyright (c) 2018 AT&T Intellectual Property
-#
-# 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.
-#
-# -------------------------------------------------------------------------
-#
-
-import itertools
-
-import os
-import pymzn
-
-from osdf.logging.osdf_logging import debug_log
-from .pci_utils import get_id
-
-BASE_DIR = os.path.dirname(__file__)
-MZN_FILE_NAME = os.path.join(BASE_DIR, 'no_conflicts_no_confusion.mzn')
-
-
-def pci_optimize(cell_id, network_cell_info, cell_info_list):
- debug_log.debug("Cell ID {} ".format(cell_id))
- dzn_data = {}
- dzn_data['NUM_NODES'] = len(cell_info_list)
- dzn_data['NUM_PCIS'] = len(cell_info_list)
-
- conflict_edges = get_conflict_edges(cell_id, network_cell_info)
-
- dzn_data['NUM_CONFLICT_EDGES'] = len(conflict_edges)
- dzn_data['CONFLICT_EDGES'] = conflict_edges
-
- confusion_edges = get_confusion_edges(cell_id, network_cell_info)
-
- dzn_data['NUM_CONFUSION_EDGES'] = len(confusion_edges)
- dzn_data['CONFUSION_EDGES'] = confusion_edges
-
- return solve(dzn_data)
-
-def solve(dzn_data):
- return pymzn.minizinc(MZN_FILE_NAME, data=dzn_data)
-
-
-def get_conflict_edges(cell_id, network_cell_info):
- conflict_edges = []
- for cell in network_cell_info['cell_list']:
-
- if cell_id == cell['cell_id']:
- add_to_conflict_edges(network_cell_info, cell, conflict_edges)
- return conflict_edges
-
-
-def add_to_conflict_edges(network_cell_info, cell, conflict_edges):
- cell_id = cell['cell_id']
- for nbr in cell.get('nbr_list', []):
- conflict_edges.append([get_id(network_cell_info, cell_id), get_id(network_cell_info, nbr['cellId'])])
-
-
-
-def get_confusion_edges(cell_id, network_cell_info):
- confusion_edges = []
- for cell in network_cell_info['cell_list']:
- if cell_id == cell['cell_id']:
- return add_to_confusion_edges(network_cell_info, cell)
- return confusion_edges
-
-
-def add_to_confusion_edges(network_cell_info, cell):
- cell_id = cell['cell_id']
- nbr_list = []
- for nbr in cell.get('nbr_list', []):
- nbr_list.append(get_id(network_cell_info, nbr['cellId']))
- return [list(elem) for elem in list(itertools.combinations(nbr_list, 2))]
diff --git a/osdf/optimizers/pciopt/solver/pci_utils.py b/osdf/optimizers/pciopt/solver/pci_utils.py
deleted file mode 100644
index 71b5dd2..0000000
--- a/osdf/optimizers/pciopt/solver/pci_utils.py
+++ /dev/null
@@ -1,39 +0,0 @@
-# -------------------------------------------------------------------------
-# Copyright (c) 2018 AT&T Intellectual Property
-#
-# 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.
-#
-# -------------------------------------------------------------------------
-#
-
-
-def get_id(network_cell_info, cell_id):
- for i in network_cell_info['cell_list']:
- if i['cell_id'] == cell_id:
- return i['id']
- return None
-
-
-def get_cell_id(network_cell_info, id):
- for i in network_cell_info['cell_list']:
- if i['id'] == id:
- return i['cell_id']
- return None
-
-def get_pci_value(network_cell_info, id):
- cell_id = get_cell_id(network_cell_info, id)
- for i in network_cell_info['cell_list']:
- for j in i['nbr_list']:
- if cell_id == j['cellId']:
- return j['pciValue']
- return None