From 1f68afb5554efca59e9bacbb32a4937eae8f51bb Mon Sep 17 00:00:00 2001 From: stevenvanrossem Date: Mon, 2 May 2016 15:36:04 +0200 Subject: [PATCH] add weight metric for adding network links --- src/emuvim/api/zerorpc/network.py | 11 +++++++-- src/emuvim/cli/network.py | 8 +++---- src/emuvim/dcemulator/net.py | 23 ++++++------------- .../examples/monitoring_demo_topology.py | 2 ++ 4 files changed, 22 insertions(+), 22 deletions(-) diff --git a/src/emuvim/api/zerorpc/network.py b/src/emuvim/api/zerorpc/network.py index 5a353fe..116d13b 100644 --- a/src/emuvim/api/zerorpc/network.py +++ b/src/emuvim/api/zerorpc/network.py @@ -71,7 +71,10 @@ class DCNetworkApi(object): logging.debug("RPC CALL: network chain start") try: c = self.net.setChain( - vnf_src_name, vnf_dst_name, vnf_src_interface, vnf_dst_interface, weight=weight) + vnf_src_name, vnf_dst_name, + vnf_src_interface=vnf_src_interface, + vnf_dst_interface=vnf_dst_interface, + weight=weight) return str(c) except Exception as ex: logging.exception("RPC error.") @@ -84,7 +87,11 @@ class DCNetworkApi(object): logging.debug("RPC CALL: network chain stop") try: c = self.net.setChain( - vnf_src_name, vnf_dst_name, vnf_src_interface, vnf_dst_interface, cmd='del-flows', weight=weight) + vnf_src_name, vnf_dst_name, + vnf_src_interface=vnf_src_interface, + vnf_dst_interface=vnf_dst_interface, + cmd='del-flows', + weight=weight) return c except Exception as ex: logging.exception("RPC error.") diff --git a/src/emuvim/cli/network.py b/src/emuvim/cli/network.py index 5b0aa51..6b196a3 100755 --- a/src/emuvim/cli/network.py +++ b/src/emuvim/cli/network.py @@ -37,8 +37,8 @@ class ZeroRpcClient(object): #args.get("datacenter"), vnf_src_name, vnf_dst_name, - vnf_src_interface, - vnf_dst_interface, + vnf_src_interface=vnf_src_interface, + vnf_dst_interface=vnf_dst_interface, weight=weight) pp.pprint(r) @@ -52,8 +52,8 @@ class ZeroRpcClient(object): #args.get("datacenter"), vnf_src_name, vnf_dst_name, - vnf_src_interface, - vnf_dst_interface, + vnf_src_interface=vnf_src_interface, + vnf_dst_interface=vnf_dst_interface, weight=weight) pp.pprint(r) diff --git a/src/emuvim/dcemulator/net.py b/src/emuvim/dcemulator/net.py index 54d578d..4028a26 100755 --- a/src/emuvim/dcemulator/net.py +++ b/src/emuvim/dcemulator/net.py @@ -224,15 +224,15 @@ class DCNetwork(Dockernet): connected_sw = self.DCNetwork_graph.neighbors(vnf_src_name)[0] link_dict = self.DCNetwork_graph[vnf_src_name][connected_sw] vnf_src_interface = link_dict[0]['src_port_id'] - #vnf_source_interface = 0 + #logging.info('vnf_src_if: {0}'.format(vnf_src_interface)) for connected_sw in self.DCNetwork_graph.neighbors(vnf_src_name): link_dict = self.DCNetwork_graph[vnf_src_name][connected_sw] for link in link_dict: - #logging.info("{0},{1}".format(link_dict[link],vnf_source_interface)) + #logging.info("here1: {0},{1}".format(link_dict[link],vnf_src_interface)) if link_dict[link]['src_port_id'] == vnf_src_interface: # found the right link and connected switch - #logging.info("{0},{1}".format(link_dict[link]['src_port_id'], vnf_source_interface)) + #logging.info("conn_sw: {2},{0},{1}".format(link_dict[link]['src_port_id'], vnf_src_interface, connected_sw)) src_sw = connected_sw src_sw_inport = link_dict[link]['dst_port'] @@ -243,7 +243,6 @@ class DCNetwork(Dockernet): connected_sw = self.DCNetwork_graph.neighbors(vnf_dst_name)[0] link_dict = self.DCNetwork_graph[connected_sw][vnf_dst_name] vnf_dst_interface = link_dict[0]['dst_port_id'] - #vnf_dest_interface = 0 vnf_dst_name = vnf_dst_name.split(':')[0] for connected_sw in self.DCNetwork_graph.neighbors(vnf_dst_name): @@ -259,6 +258,8 @@ class DCNetwork(Dockernet): # get shortest path #path = nx.shortest_path(self.DCNetwork_graph, vnf_src_name, vnf_dst_name) try: + # returns the first found shortest path + # if all shortest paths are wanted, use: all_shortest_paths path = nx.shortest_path(self.DCNetwork_graph, src_sw, dst_sw, weight=weight) except: logging.info("No path could be found between {0} and {1}".format(vnf_src_name, vnf_dst_name)) @@ -291,16 +292,6 @@ class DCNetwork(Dockernet): index_edge_out = 0 switch_outport = self.DCNetwork_graph[current_hop][next_hop][index_edge_out]['src_port'] - # take into account that multiple edges are possible between 2 nodes - index_edge_in = 0 - - - #switch_inport = self.DCNetwork_graph[current_hop][next_hop][index_edge_in]['dst_port'] - - #next2_hop = path[path.index(current_hop)+2] - #index_edge_out = 0 - #switch_outport = self.DCNetwork_graph[next_hop][next2_hop][index_edge_out]['src_port'] - #switch_outport = self.DCNetwork_graph[current_hop][next_hop][index_edge_out]['src_port'] #logging.info("add flow in switch: {0} in_port: {1} out_port: {2}".format(current_node.name, switch_inport, switch_outport)) # set of entry via ovs-ofctl @@ -342,9 +333,9 @@ class DCNetwork(Dockernet): ryu_of_port = '6653' ryu_cmd = 'ryu-manager' FNULL = open("/tmp/ryu.log", 'w') - self.ryu_process = Popen([ryu_cmd, ryu_path, ryu_path2, ryu_option, ryu_of_port], stdout=FNULL, stderr=FNULL) + #self.ryu_process = Popen([ryu_cmd, ryu_path, ryu_path2, ryu_option, ryu_of_port], stdout=FNULL, stderr=FNULL) # no learning switch - #self.ryu_process = Popen([ryu_cmd, ryu_path2, ryu_option, ryu_of_port], stdout=FNULL, stderr=FNULL) + self.ryu_process = Popen([ryu_cmd, ryu_path2, ryu_option, ryu_of_port], stdout=FNULL, stderr=FNULL) time.sleep(1) def stopRyu(self): diff --git a/src/emuvim/examples/monitoring_demo_topology.py b/src/emuvim/examples/monitoring_demo_topology.py index 20f3ba0..a5cf0b2 100755 --- a/src/emuvim/examples/monitoring_demo_topology.py +++ b/src/emuvim/examples/monitoring_demo_topology.py @@ -61,10 +61,12 @@ def create_topology1(): These links can use Mininet's features to limit bw, add delay or jitter. """ net.addLink(dc1, dc2, delay="10ms") + net.addLink(dc1, dc2) net.addLink("datacenter1", s1, delay="20ms") net.addLink(s1, dc3) net.addLink(s1, "datacenter4") + """ 5. We want to access and control our data centers from the outside, e.g., we want to connect an orchestrator to start/stop compute -- 2.17.1