Interfaces are now assigned to specific nodes

esds/platform.py

@@ -58,7 +58,8 @@ class YAMLPlatformFile:
             "node_count": 0,
             "implementations": [],
             "arguments": [],
-            "groups": dict(),
+            "groups": dict(),               # {node_id} => group
+            "nodes_interfaces": dict(),     # {node_id} => [interfaces]
             "interfaces": dict()
         }
 
@@ -103,6 +104,10 @@ class YAMLPlatformFile:
     def parse_interfaces(self):
         interfaces=self.platform["interfaces"]
         node_count=self.default["node_count"]
+        ##### Init nodes interfaces
+        for node in range(0,self.default["node_count"]):
+            self.default["nodes_interfaces"][node]=list()
+        ##### Parse interfaces
         for i in interfaces:
             if interfaces[i]["type"] not in ["wireless","wired"]:
                 self.parsing_error("Invalid interface type \""+interfaces[i]["type"]+"\"")
@@ -112,6 +117,13 @@ class YAMLPlatformFile:
                 self.parsing_error("Invalide type of links in interface "+i)
             for link in interfaces[i]["links"]:
                 links.append(self.parse_link(link))
+            ##### Assign interfaces to nodes
+            if "nodes" in interfaces[i]:
+                r=UnitsParser.node_range(str(interfaces[i]["nodes"]),self.default["node_count"])
+                for node in r:
+                    self.default["nodes_interfaces"][node].append(i)
+            else:
+                self.parsing_error("missing nodes section on interface "+i)
             ##### Create network matrix
             BW=np.full((node_count,node_count),0)
             LAT=np.full((node_count,node_count),0)
@@ -220,9 +232,9 @@ class YAMLPlatformFile:
         simulator=Simulator(self.default["interfaces"])
         for node_id in range(0,self.default["node_count"]):
             if node_id in self.default["groups"]:
-                simulator.create_node(self.default["implementations"][node_id], args=self.default["arguments"][node_id],grp=self.default["groups"][node_id])
+                simulator.create_node(self.default["implementations"][node_id],self.default["nodes_interfaces"][node_id], args=self.default["arguments"][node_id],grp=self.default["groups"][node_id])
             else:
-                simulator.create_node(self.default["implementations"][node_id], args=self.default["arguments"][node_id])
+                simulator.create_node(self.default["implementations"][node_id],self.default["nodes_interfaces"][node_id], args=self.default["arguments"][node_id])
         ##### Run simulation
         simulator.run(
             breakpoints=self.default["breakpoints"],

esds/simulator.py

@@ -75,11 +75,15 @@ class Simulator:
                         event[2][5]=new_duration
         self.netmat=netmat
           
-    def create_node(self, src, args=None, grp="def"):
+    def create_node(self, src, interfaces=[], args=None, grp="def"):
         """
         Create a node thread and run it
         """
-        node=Node(src, self.netmat.keys(), grp)
+        for intf in interfaces:
+            if intf not in self.netmat.keys():
+                self.log("Cannot create node "+str(Node.available_node_id)+": interface "+ intf + " unknown")
+                exit(1)
+        node=Node(src, interfaces, grp)
         self.nodes.append(node)
         thread=threading.Thread(target=node.run,args=[args]) # There must be "daemon=True" as a parameter, but we removed it to be compatible with older version of python
         thread.start()
@@ -324,6 +328,9 @@ class Simulator:
         """
         nsrc=self.nodes[src]
         if self.netmat[interface]["is_wired"]:
+            if interface not in self.nodes[dst]["interfaces"]:
+                self.log("Cannot create communication from node "+str(src)+ " to "+str(dst)+", interface "+interface+" not available on node "+str(dst))
+                exit(1)
             self.log("Send "+str(datasize)+" bytes to n"+str(dst)+" on "+interface,node=nsrc)
             if not self.nodes[dst]["turned_on"] and receiver_required:
                 return(False)
@@ -334,7 +341,7 @@ class Simulator:
         else:
             self.log("Send "+str(datasize)+" bytes on "+interface,node=nsrc)
             for dst in self.list_receivers(nsrc,interface):
-                if self.nodes[dst]["turned_on"]:
+                if interface in self.nodes[dst]["interfaces"] and self.nodes[dst]["turned_on"]:
                     duration=datasize*8/self.netmat[interface]["bandwidth"][src,dst]+self.netmat[interface]["latency"][src,dst]
                     if src == dst:
                         # This event (where src == dst) is used to notify the sender when data is received!
@@ -347,7 +354,7 @@ class Simulator:
         return(True)
     def list_receivers(self,node,interface):
         """
-        Deduce reachable receivers from the bandwidth matrix
+        Deduce reachable receivers from the bandwidth matrix (sender is included in the list!)
         """
         selector = self.netmat[interface]["bandwidth"][node.node_id,] > 0
         return np.arange(0,selector.shape[0])[selector]

example/platform.yaml

@@ -39,10 +39,12 @@ nodes:
 
 ##### Interfaces Section #####
 interfaces:
-    # Each entry for each node interfaces
+    # Each entry defines an network interface
     wlan0:
         # Interface type (wired/wireless)
         type: "wireless"
+        # Now specify the nodes on which the interface is available
+        nodes: all
         # List of links between nodes on this interface
         # Syntax infos:
         # 1MBps = 1 megaBYTE per seconds
@@ -57,5 +59,6 @@ interfaces:
     # Example of a wired interface
     eth0:
         type: "wired"
+        nodes: all
         links: 
             - all 5Mbps 10s all

example/platform_test.py

@@ -1,8 +0,0 @@
-#!/usr/bin/env python
-
-from esds.helpers.platform import YAMLPlatformFile
-
-
-
-s=YAMLPlatformFile("platform.yaml")
-s.run()

example/simulator.py

@@ -32,11 +32,11 @@ s=esds.Simulator({"wlan0":{"bandwidth":B, "latency":L, "is_wired":False},"eth0":
 
 ##### Instantiate nodes
 uptime=180 # 180s uptime
-s.create_node("sender",args=uptime) # Load sender.py for the first node with 5 as argument (first row in B and L)
+s.create_node("sender",interfaces=["wlan0","eth0"],args=uptime) # Load sender.py for the first node with 5 as argument (first row in B and L)
 
 # Aguments can be passed to nodes via: s.create_node("sender",args="my argument")
 for n in range(0,n-1): # Load receiver.py for the remaining nodes
-    s.create_node("receiver",args=uptime)
+    s.create_node("receiver",interfaces=["wlan0","eth0"],args=uptime)
 
 ##### Run the simulation
 #s.run(debug=True) # Generate a "esds.debug" file

tests/api_log_5n/platform.yaml

@@ -6,5 +6,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 5Bps 0s all

tests/api_read_clock_2n/platform.yaml

@@ -6,5 +6,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 2Bps 0s all

tests/api_read_eth0_ncom_2s1r/platform.yaml

@@ -10,5 +10,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 3bps 0s all

tests/api_read_order_ncom_1s2r/platform.yaml

@@ -10,6 +10,7 @@ nodes:
 interfaces:
   wlan0:
     type: "wireless"
+    nodes: all
     links:
       - all 1Bps 0s all
     txperfs:

tests/api_read_wlan0_ncom_2s1r/platform.yaml

@@ -10,6 +10,7 @@ nodes:
 interfaces:
   wlan0:
     type: "wireless"
+    nodes: all
     links:
       - all 3bps 0s all
     txperfs:

tests/api_receivet0_eth0_1s1r/platform.yaml

@@ -7,5 +7,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 1Bps 0s all

tests/api_receivet_eth0_1s1r/platform.yaml

@@ -7,5 +7,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 1Bps 0s all

tests/api_send0_eth0_1s1r/platform.yaml

@@ -7,5 +7,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 1Bps 0s all

tests/api_send_4interfaces_1s2r/platform.yaml

@@ -7,6 +7,7 @@ nodes:
 interfaces:
   wlan0:
     type: "wireless"
+    nodes: all
     links:
       - all 1Bps 0s all
       - 0 0bps 0s 2 # Sender cannot reach n2 on wlan0
@@ -14,15 +15,18 @@ interfaces:
       - all 1Bps 0s
   wlan1:
     type: "wireless"
+    nodes: all
     links:
       - all 1Bps 0s all # Sender can reach n1 AND n2 on wlan1
     txperfs:
       - all 1Bps 0s
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 1Bps 0s all
   eth1:
     type: "wired"
+    nodes: all
     links:
       - all 2Bps 0s all # On eth1 sender can reach receiver twice faster than eth0

tests/api_send_eth0_1s1r/platform.yaml

@@ -7,5 +7,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 1Bps 0s all

tests/api_send_eth0_2s1r/platform.yaml

@@ -7,5 +7,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 1Bps 0s all

tests/api_send_eth0_3s1r/platform.yaml

@@ -7,5 +7,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 1Bps 0s all

tests/api_send_wlan0_1s2r/platform.yaml

@@ -7,6 +7,7 @@ nodes:
 interfaces:
   wlan0:
     type: "wireless"
+    nodes: all
     links:
       - all 1Bps 0s all
     txperfs:

tests/api_send_wlan0_2s1r/platform.yaml

@@ -7,6 +7,7 @@ nodes:
 interfaces:
   wlan0:
     type: "wireless"
+    nodes: all
     links:
       - all 1Bps 0s all
     txperfs:

tests/api_sendt_eth0_1s1r/platform.yaml

@@ -7,5 +7,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 1Bps 0s all

tests/api_sendt_wlan0_1s2r/platform.yaml

@@ -7,6 +7,7 @@ nodes:
 interfaces:
   wlan0:
     type: "wireless"
+    nodes: all
     links:
       - all 1Bps 0s all
     txperfs:

tests/api_wait_2n/platform.yaml

@@ -6,5 +6,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 2bps 0s all

tests/api_wait_end_3n/platform.yaml

@@ -6,5 +6,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 2bps 0s all

tests/breakpoints_auto_1n/platform.yaml

@@ -12,5 +12,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 2bps 0s all

tests/breakpoints_manual_1n/platform.yaml

@@ -12,5 +12,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 2bps 0s all

tests/breakpoints_manual_no_callback_1n/platform.yaml

@@ -9,5 +9,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 2bps 0s all

tests/hidden_node_2s1r/platform.yaml

@@ -7,6 +7,7 @@ nodes:
 interfaces:
   wlan0:
     type: "wireless"
+    nodes: all
     links:
       - all 1Bps 0s all
       - 0,2 0bps 0s 2,0 # Node 0 and 2 are out of range

tests/mobility_eth0_bandwidth_1s1r/platform.yaml

@@ -31,11 +31,13 @@ nodes:
 interfaces:
   wlan0:
     type: "wireless"
+    nodes: all
     links:
       - all 1Bps 0s all
     txperfs:
       - all 1Bps 0s
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 1Bps 0s all

tests/mobility_eth0_bandwidth_2s1r/platform.yaml

@@ -33,5 +33,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 1Bps 0s all

tests/mobility_eth0_latency_1s1r/platform.yaml

@@ -32,5 +32,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 1Bps 0s all

tests/mobility_eth0_latency_2s1r/platform.yaml

@@ -34,5 +34,6 @@ nodes:
 interfaces:
   eth0:
     type: "wired"
+    nodes: all
     links:
       - all 1Bps 0s all

tests/mobility_wlan0_bandwidth_1s1r/platform.yaml

@@ -31,6 +31,7 @@ nodes:
 interfaces:
   wlan0:
     type: "wireless"
+    nodes: all
     links:
       - all 1Bps 0s all
     txperfs:

tests/mobility_wlan0_latency_1s1r/platform.yaml

@@ -31,6 +31,7 @@ nodes:
 interfaces:
   wlan0:
     type: "wireless"
+    nodes: all
     links:
       - all 1Bps 0s all
     txperfs: