def test_reserved_bandwidth(self): model = Model() model.rsvp_lsp_objects = set([]) model.demand_objects = set([]) int_list = [{'name': 'E-to-A', 'cost': 10, 'capacity': 300, 'node': 'E', 'remote_node': 'A', 'address': 1, 'failed': False}, {'name': 'C-to-D', 'cost': 30, 'capacity': 150, 'node': 'C', 'remote_node': 'D', 'address': 5, 'failed': False}, {'name': 'D-to-C', 'cost': 30, 'capacity': 150, 'node': 'D', 'remote_node': 'C', 'address': 5, 'failed': False}, {'name': 'A-to-E', 'cost': 10, 'capacity': 300, 'node': 'A', 'remote_node': 'E', 'address': 1, 'failed': False}, {'name': 'A-to-D', 'cost': 40, 'capacity': 20, 'node': 'A', 'remote_node': 'D', 'address': 2, 'failed': False}, {'name': 'D-to-A', 'cost': 40, 'capacity': 20, 'node': 'D', 'remote_node': 'A', 'address': 2, 'failed': False}, {'name': 'G-to-D', 'cost': 10, 'capacity': 100, 'node': 'G', 'remote_node': 'D', 'address': 7, 'failed': False}, {'name': 'C-to-A', 'cost': 30, 'capacity': 150, 'node': 'C', 'remote_node': 'A', 'address': 3, 'failed': False}, {'name': 'D-to-F', 'cost': 10, 'capacity': 300, 'node': 'D', 'remote_node': 'F', 'address': 6, 'failed': False}, {'name': 'F-to-D', 'cost': 10, 'capacity': 300, 'node': 'F', 'remote_node': 'D', 'address': 6, 'failed': False}, {'name': 'D-to-G', 'cost': 10, 'capacity': 100, 'node': 'D', 'remote_node': 'G', 'address': 7, 'failed': False}, {'name': 'B-to-A', 'cost': 20, 'capacity': 125, 'node': 'B', 'remote_node': 'A', 'address': 4, 'failed': False}, {'name': 'D-to-B', 'cost': 20, 'capacity': 125, 'node': 'D', 'remote_node': 'B', 'address': 8, 'failed': False}, {'name': 'B-to-G', 'cost': 10, 'capacity': 100, 'node': 'B', 'remote_node': 'G', 'address': 9, 'failed': False}, {'name': 'A-to-C', 'cost': 30, 'capacity': 150, 'node': 'A', 'remote_node': 'C', 'address': 3, 'failed': False}, {'name': 'B-to-D', 'cost': 20, 'capacity': 125, 'node': 'B', 'remote_node': 'D', 'address': 8, 'failed': False}, {'name': 'G-to-B', 'cost': 10, 'capacity': 100, 'node': 'G', 'remote_node': 'B', 'address': 9, 'failed': False}, {'name': 'A-to-B', 'cost': 20, 'capacity': 125, 'node': 'A', 'remote_node': 'B', 'address': 4, 'failed': False}] model.add_network_interfaces_from_list(int_list) model.add_rsvp_lsp('A', 'D', 'lsp_a_d_1') model.add_rsvp_lsp('A', 'D', 'lsp_a_d_2') demands = [{'source': 'A', 'dest': 'D', 'traffic': 100, 'name': 'dmd_a_d_3'}, {'source': 'A', 'dest': 'D', 'traffic': 70, 'name': 'dmd_a_d_2'}, {'source': 'A', 'dest': 'D', 'traffic': 80, 'name': 'dmd_a_d_1'}, {'source': 'F', 'dest': 'E', 'traffic': 400, 'name': 'dmd_f_e_1'}, {'source': 'A', 'dest': 'F', 'traffic': 40, 'name': 'dmd_a_f_1'}, ] for demand in demands: model.add_demand(demand['source'], demand['dest'], demand['traffic'], demand['name']) lsp_a_d_1 = model.get_rsvp_lsp('A', 'D', 'lsp_a_d_1') lsp_a_d_2 = model.get_rsvp_lsp('A', 'D', 'lsp_a_d_2') model.fail_interface('A-to-B', 'A') model.update_simulation() print("lsp_a_d_1.reserved_bandwidth = {}".format(lsp_a_d_1.reserved_bandwidth)) print('int_a_c reservable_bandwidth = {}'.format(model.get_interface_object('A-to-C', 'A').reservable_bandwidth)) self.assertIn(lsp_a_d_1.reserved_bandwidth, ['Unrouted', 125.0]) self.assertIn(lsp_a_d_2.reserved_bandwidth, ['Unrouted', 125.0]) self.assertNotEqual(lsp_a_d_1.reserved_bandwidth, lsp_a_d_2.reserved_bandwidth)
# test get_circuit call from Interface object int1 = model1.get_interface_object('A-to-B', 'A') ckt1 = int1.get_circuit_object(model1) print("The circuit associated with %s is %s" % (int1, ckt1)) print() # test a demand path before and after an interface it traverses fails; # should go from 2 paths to one path dmd_B_D = model1.get_demand_object('B', 'D') print("dmd_B_D path before failing interface B-to-D is") for path in dmd_B_D.path: pprint(path) print() print() model1.fail_interface('B-to-D', 'B') model1.update_simulation() print("dmd_B_D path after failing interface B-to-D is") pprint(dmd_B_D.path) print() # Fail a node and interface and display a utilization graph print("Failing node E and interface B-to-D on node B and displaying \ a network graph:") model1.fail_node('E') model1.fail_interface('B-to-D', 'B') model1.update_simulation() # Get a demand and view its path print("Get a demand and view its path.") dmd_A_D = model1.get_demand_object('A', 'D')
def test_lsp_failover(self): model1 = Model() model1.rsvp_lsp_objects = set() model1.demand_objects = set() int_list = [{ 'name': 'E-to-A', 'cost': 10, 'capacity': 300, 'node': 'E', 'remote_node': 'A', 'circuit_id': 1, 'failed': False }, { 'name': 'C-to-D', 'cost': 30, 'capacity': 150, 'node': 'C', 'remote_node': 'D', 'circuit_id': 5, 'failed': False }, { 'name': 'D-to-C', 'cost': 30, 'capacity': 150, 'node': 'D', 'remote_node': 'C', 'circuit_id': 5, 'failed': False }, { 'name': 'A-to-E', 'cost': 10, 'capacity': 300, 'node': 'A', 'remote_node': 'E', 'circuit_id': 1, 'failed': False }, { 'name': 'A-to-D', 'cost': 40, 'capacity': 20, 'node': 'A', 'remote_node': 'D', 'circuit_id': 2, 'failed': False }, { 'name': 'D-to-A', 'cost': 40, 'capacity': 20, 'node': 'D', 'remote_node': 'A', 'circuit_id': 2, 'failed': False }, { 'name': 'G-to-D', 'cost': 10, 'capacity': 100, 'node': 'G', 'remote_node': 'D', 'circuit_id': 7, 'failed': False }, { 'name': 'C-to-A', 'cost': 30, 'capacity': 150, 'node': 'C', 'remote_node': 'A', 'circuit_id': 3, 'failed': False }, { 'name': 'D-to-F', 'cost': 10, 'capacity': 300, 'node': 'D', 'remote_node': 'F', 'circuit_id': 6, 'failed': False }, { 'name': 'F-to-D', 'cost': 10, 'capacity': 300, 'node': 'F', 'remote_node': 'D', 'circuit_id': 6, 'failed': False }, { 'name': 'D-to-G', 'cost': 10, 'capacity': 100, 'node': 'D', 'remote_node': 'G', 'circuit_id': 7, 'failed': False }, { 'name': 'B-to-A', 'cost': 20, 'capacity': 125, 'node': 'B', 'remote_node': 'A', 'circuit_id': 4, 'failed': False }, { 'name': 'D-to-B', 'cost': 20, 'capacity': 125, 'node': 'D', 'remote_node': 'B', 'circuit_id': 8, 'failed': False }, { 'name': 'B-to-G', 'cost': 10, 'capacity': 100, 'node': 'B', 'remote_node': 'G', 'circuit_id': 9, 'failed': False }, { 'name': 'A-to-C', 'cost': 30, 'capacity': 150, 'node': 'A', 'remote_node': 'C', 'circuit_id': 3, 'failed': False }, { 'name': 'B-to-D', 'cost': 20, 'capacity': 125, 'node': 'B', 'remote_node': 'D', 'circuit_id': 8, 'failed': False }, { 'name': 'G-to-B', 'cost': 10, 'capacity': 100, 'node': 'G', 'remote_node': 'B', 'circuit_id': 9, 'failed': False }, { 'name': 'A-to-B', 'cost': 20, 'capacity': 125, 'node': 'A', 'remote_node': 'B', 'circuit_id': 4, 'failed': False }] model1.add_network_interfaces_from_list(int_list) model1.add_rsvp_lsp('A', 'D', 'lsp_a_d_1') model1.add_rsvp_lsp('A', 'D', 'lsp_a_d_2') model1.fail_interface('A-to-B', 'A') int_a_b = model1.get_interface_object('A-to-B', 'A') int_a_c = model1.get_interface_object('A-to-C', 'A') demands = [ { 'source': 'A', 'dest': 'D', 'traffic': 70, 'name': 'dmd_a_d_2' }, { 'source': 'A', 'dest': 'D', 'traffic': 80, 'name': 'dmd_a_d_1' }, { 'source': 'F', 'dest': 'E', 'traffic': 400, 'name': 'dmd_f_e_1' }, { 'source': 'A', 'dest': 'F', 'traffic': 40, 'name': 'dmd_a_f_1' }, ] for demand in demands: model1.add_demand(demand['source'], demand['dest'], demand['traffic'], demand['name']) model1.update_simulation() self.assertTrue(int_a_b.failed) # int_a_b should not have any LSPs lsps_on_int_a_b = [lsp for lsp in int_a_b.lsps(model1)] self.assertTrue(len(lsps_on_int_a_b) == 0) # int_a_c should have lsp_a_d_1 and lsp_a_d_2 lsp_names_on_int_a_c = [lsp.lsp_name for lsp in int_a_c.lsps(model1)] self.assertIn('lsp_a_d_1', lsp_names_on_int_a_c) self.assertIn('lsp_a_d_2', lsp_names_on_int_a_c) # reservable_bandwidth on int_a_c self.assertEqual(int_a_c.reserved_bandwidth, 150.0) self.assertEqual(int_a_c.reservable_bandwidth, 0.0)