added ns3 dumbbell net + ns3 brisge net support + socket creation while...

added ns3 dumbbell net + ns3 brisge net support + socket creation while creating sim dependency graph

experiments/pyexps/netperf_sysconf.py

@@ -19,8 +19,8 @@ experiments = []
 sys = system.System()
 
 # create a host instance and a NIC instance then install the NIC on the host
-host0 = system.CorundumLinuxHost(sys)
-# host0 = system.I40ELinuxHost(sys)
+# host0 = system.CorundumLinuxHost(sys)
+host0 = system.I40ELinuxHost(sys)
 pcie0 = system.PCIeHostInterface(host0)
 cfg_disk0 = system.DistroDiskImage(h=host0, name="base")
 host0.add_disk(cfg_disk0)
@@ -28,8 +28,8 @@ tar_disk0 = system.LinuxConfigDiskImage(h=host0)
 host0.add_disk(tar_disk0)
 
 host0.add_if(pcie0)
-nic0 = system.CorundumNIC(sys)
-# nic0 = system.IntelI40eNIC(sys)
+# nic0 = system.CorundumNIC(sys)
+nic0 = system.IntelI40eNIC(sys)
 nic0.add_ipv4("10.0.0.1")
 pcichannel0 = system.PCIeChannel(pcie0, nic0._pci_if)
 
@@ -46,17 +46,32 @@ nic1 = system.IntelI40eNIC(sys)
 nic1.add_ipv4("10.0.0.2")
 pcichannel1 = system.PCIeChannel(pcie1, nic1._pci_if)
 
-# create switch and its ports
-switch = system.EthSwitch(sys)
-netif0 = system.EthInterface(switch)
-switch.add_if(netif0)
-netif1 = system.EthInterface(switch)
-switch.add_if(netif1)
-
-
-# create channels and connect the switch to the host nics
-ethchannel0 = system.EthChannel(switch.eth_ifs[0], nic0._eth_if)
-ethchannel1 = system.EthChannel(switch.eth_ifs[1], nic1._eth_if)
+# # create switch and its ports
+# switch = system.EthSwitch(sys)
+# netif0 = system.EthInterface(switch)
+# switch.add_if(netif0)
+# netif1 = system.EthInterface(switch)
+# switch.add_if(netif1)
+# # create channels and connect the switch to the host nics
+# ethchannel0 = system.EthChannel(switch.eth_ifs[0], nic0._eth_if)
+# ethchannel1 = system.EthChannel(switch.eth_ifs[1], nic1._eth_if)
+
+switch0 = system.EthSwitch(sys)
+switch1 = system.EthSwitch(sys)
+# connect first switch to client nic
+switch0_for_nic = system.EthInterface(switch0)
+switch0.add_if(switch0_for_nic)
+nic0_switch0_chan = system.EthChannel(nic0._eth_if, switch0_for_nic)
+# connect second switch to server nic
+switch1_for_nic = system.EthInterface(switch1)
+switch1.add_if(switch1_for_nic)
+nic1_switch1_chan = system.EthChannel(nic1._eth_if, switch1_for_nic)
+# connect first switch to second switch
+switch0_for_net = system.EthInterface(switch0)
+switch0.add_if(switch0_for_net)
+switch1_for_net = system.EthInterface(switch1)
+switch1.add_if(switch1_for_net)
+switch0_switch1_chan = system.EthChannel(switch0_for_net, switch1_for_net)
 
 # configure the software to run on the host
 # host0.add_app(system.NetperfClient(host0, nic1._ip))
@@ -108,28 +123,35 @@ for host_type in host_types:
 
             host_inst0 = sim.QemuSim(simulation)
             host_inst0.add(host0)
+            host_inst0.name = "Client-Host"
             # host_inst0.wait_terminate = True
             # host_inst0.cpu_type = 'X86KvmCPU'
 
             # host_inst1 = sim.Gem5Sim(simulation)
             host_inst1 = sim.QemuSim(simulation)
+            host_inst1.name = "Server-Simulator"
             host_inst1.add(host1)
             # host_inst1.cpu_type = 'X86KvmCPU'
 
-            # nic_inst0 = sim.I40eNicSim(simulation=simulation)
+            nic_inst0 = sim.I40eNicSim(simulation=simulation)
             # nic_inst0 = sim.CorundumBMNICSim(simulation)
-            nic_inst0 = sim.CorundumVerilatorNICSim(simulation)
+            # nic_inst0 = sim.CorundumVerilatorNICSim(simulation)
             nic_inst0.add(nic0)
 
             nic_inst1 = sim.I40eNicSim(simulation=simulation)
             nic_inst1.add(nic1)
 
-            net_inst = sim.SwitchNet(simulation)
-            net_inst.add(switch)
+            # net_inst = sim.SwitchNet(simulation)
+            # net_inst = sim.NS3BridgeNet(simulation=simulation)
+            # net_inst.add(switch)
+
+            net_inst = sim.NS3DumbbellNet(simulation=simulation)
+            net_inst.add(left=switch0, right=switch1)
 
             sim_helpers.enable_sync_simulation(
                 simulation=simulation, amount=500, ratio=sim.Time.Nanoseconds
             )
+            # sim_helpers.disalbe_sync_simulation(simulation=simulation)
 
             print(simulation.name + "   all simulators:")
             sims = simulation.all_simulators()

experiments/simbricks/orchestration/instantiation/base.py

@@ -210,28 +210,32 @@ class Instantiation(util_base.IdObj):
             enforce_existence=False,
         )
 
-    def _create_opposing_socket(
-        self, socket: Socket, supported_sock_types: set[SockType] = set()
-    ) -> Socket:
+    def _create_opposing_socket(self, socket: Socket, socket_type: SockType) -> Socket:
         new_ty = (
             SockType.LISTEN if socket._type == SockType.CONNECT else SockType.CONNECT
         )
-        if new_ty not in supported_sock_types:
+        if new_ty != socket_type:
             raise Exception(
-                f"cannot create opposing socket, as required type is not supported: required={new_ty.name}, supported={','.join(supported_sock_types)}"
+                f"cannot create opposing socket, as required type is not supported: required={new_ty.name}, supported={socket_type.name}"
             )
         new_path = socket._path
         new_socket = Socket(path=new_path, ty=new_ty)
         return new_socket
 
-    def get_socket(
-        self,
-        interface: sys_base.Interface,
-        supported_sock_types: set[SockType] = set(),
+    def get_socket(self, interface: sys_base.Interface) -> Socket | None:
+        socket = self._get_socket_by_interface(interface=interface)
+        if socket:
+            return socket
+        return None
+
+    def _get_socket(
+        self, interface: sys_base.Interface, socket_type: SockType
     ) -> Socket:
 
         if self._opposing_interface_within_same_sim(interface=interface):
-            raise Exception("interface does not need a socket")
+            raise Exception(
+                "we do not create a socket for interfacces taht both beloing to the same simulator"
+            )
 
         # check if already a socket is associated with this interface
         socket = self._get_socket_by_interface(interface=interface)
@@ -242,26 +246,15 @@ class Instantiation(util_base.IdObj):
         socket = self._get_opposing_socket_by_interface(interface=interface)
         if socket is not None:
             new_socket = self._create_opposing_socket(
-                socket=socket, supported_sock_types=supported_sock_types
+                socket=socket, socket_type=socket_type
             )
             self._updated_tracker_mapping(interface=interface, socket=new_socket)
             print(f"created socket: {new_socket._path}")
             return new_socket
 
-        # neither connecting nor listening side already created a socket, thus we
-        # create a completely new 'CONNECT' socket
-        if len(supported_sock_types) < 1 or (
-            SockType.LISTEN not in supported_sock_types
-            and SockType.CONNECT not in supported_sock_types
-        ):
-            raise Exception("cannot create a socket if no socket type is supported")
-        sock_type = (
-            SockType.CONNECT
-            if SockType.CONNECT in supported_sock_types
-            else SockType.LISTEN
-        )
+        # create socket if opposing socket was not created yet
         sock_path = self._interface_to_sock_path(interface=interface)
-        new_socket = Socket(path=sock_path, ty=sock_type)
+        new_socket = Socket(path=sock_path, ty=socket_type)
         self._updated_tracker_mapping(interface=interface, socket=new_socket)
         print(f"created socket: {new_socket._path}")
         return new_socket
@@ -274,7 +267,11 @@ class Instantiation(util_base.IdObj):
             sim_a: sim_base.Simulator, depends_on: sim_base.Simulator
         ):
             if depends_on in sim_dependency:
-                assert sim_a not in sim_dependency[depends_on]
+                if sim_a in sim_dependency[depends_on]:
+                    # TODO: FIXME
+                    raise Exception(
+                        "detected cylic dependency, this is currently not supported"
+                    )
 
             a_dependencies = set()
             if sim_a in sim_dependency:
@@ -283,41 +280,44 @@ class Instantiation(util_base.IdObj):
             a_dependencies.add(depends_on)
             sim_dependency[sim_a] = a_dependencies
 
-        def update_a_depends_on_b(sim_a: sim_base.Simulator, sim_b: sim_base.Simulator):
-            a_sock: set[SockType] = sim_a.supported_socket_types()
-            b_sock: set[SockType] = sim_b.supported_socket_types()
+        def update_a_depends_on_b(inf_a: sys_base.Interface, inf_b: sys_base.Interface):
+            sim_a = self.find_sim_by_interface(interface=inf_a)
+            sim_b = self.find_sim_by_interface(interface=inf_b)
+            a_sock: set[SockType] = sim_a.supported_socket_types(interface=inf_a)
+            b_sock: set[SockType] = sim_b.supported_socket_types(interface=inf_b)
 
             if a_sock != b_sock:
                 if len(a_sock) == 0 or len(b_sock) == 0:
                     raise Exception(
-                        "cannot solve if one simulator doesnt support any socket type"
+                        "cannot create socket and resolve dependency if no socket type is supported for an interface"
                     )
-
                 if SockType.CONNECT in a_sock:
                     assert SockType.LISTEN in b_sock
                     insert_dependency(sim_a, depends_on=sim_b)
+                    self._get_socket(interface=inf_a, socket_type=SockType.CONNECT)
+                    self._get_socket(interface=inf_b, socket_type=SockType.LISTEN)
                 else:
                     assert SockType.CONNECT in b_sock
                     insert_dependency(sim_b, depends_on=sim_a)
+                    self._get_socket(interface=inf_b, socket_type=SockType.CONNECT)
+                    self._get_socket(interface=inf_a, socket_type=SockType.LISTEN)
             else:
                 # deadlock?
                 if len(a_sock) != 2 or len(b_sock) != 2:
                     raise Exception("cannot solve deadlock")
-
                 # both support both we just pick an order
                 insert_dependency(sim_a, depends_on=sim_b)
+                self._get_socket(interface=sim_a, socket_type=SockType.CONNECT)
+                self._get_socket(interface=sim_b, socket_type=SockType.LISTEN)
 
-        # TODO: pre-calculate the socket paths and whether they are listening or connecting sockets in here!
+        # build dependency graph
         for sim in self._simulation.all_simulators():
             for comp in sim._components:
                 for sim_inf in comp.interfaces():
-                    # no dependency here? a.k.a both interfaces within the same simulator?
                     if self._opposing_interface_within_same_sim(interface=sim_inf):
                         continue
                     opposing_inf = self._get_opposing_interface(interface=sim_inf)
-                    opposing_sim = self.find_sim_by_spec(spec=opposing_inf.component)
-                    assert sim != opposing_sim
-                    update_a_depends_on_b(sim, opposing_sim)
+                    update_a_depends_on_b(inf_a=sim_inf, inf_b=opposing_inf)
 
         self._sim_dependency = sim_dependency
 
@@ -347,7 +347,7 @@ class Instantiation(util_base.IdObj):
         await self.executor.await_files(wait_socks, verbose=True)
 
     # TODO: add more methods constructing paths as required by methods in simulators or image handling classes
-    
+
     # TODO: fix paths to support mutliple exeriment runs etc.
     def wrkdir(self) -> str:
         return pathlib.Path(self._env._workdir).resolve()
@@ -406,6 +406,9 @@ class Instantiation(util_base.IdObj):
 
         await self._simulation.prepare(inst=self)
 
+    async def cleanup(self) -> None:
+        pass  # TODO: implement cleanup functionality (e.g. delete )
+
     def _join_paths(
         self, base: str = "", relative_path: str = "", enforce_existence=False
     ) -> str:
@@ -486,6 +489,11 @@ class Instantiation(util_base.IdObj):
             relative_path=f"out-{run_number}.json",
         )
 
+    def find_sim_by_interface(
+        self, interface: sys_base.Interface
+    ) -> sim_base.Simulator:
+        return self.find_sim_by_spec(spec=interface.component)
+
     def find_sim_by_spec(self, spec: sys_base.Component) -> sim_base.Simulator:
         util_base.has_expected_type(spec, sys_base.Component)
         return self._simulation.find_sim(spec)

experiments/simbricks/orchestration/simulation/base.py

@@ -184,46 +184,64 @@ class Simulator(utils_base.IdObj):
             return False
         return True
 
-    def _get_my_interface(self, chan: sys_conf.Channel) -> sys_conf.Interface:
-        interface = None
-        for inter in chan.interfaces():
-            if inter.component in self._components:
-                assert interface is None
-                interface = inter
-        if interface is None:
-            raise Exception(
-                "unable to find channel interface for simulators specification"
-            )
-        return interface
-
-    def _get_socket(
-        self, inst: inst_base.Instantiation, interface: sys_conf.Interface
-    ) -> inst_base.Socket | None:
-        # get the channel associated with this interface
-        chan = interface.get_chan_raise()
-        # check if interfaces channel is simulator internal, i.e. doesnt need an instanciation
-        if not self._chan_needs_instance(chan):
-            return None
-        # create the socket to listen on or connect to
-        socket = inst.get_socket(
-            interface=interface, supported_sock_types=self.supported_socket_types()
-        )
-        return socket
-
-    def _get_sockets(self, inst: inst_base.Instantiation) -> list[inst_base.Socket]:
+    # # TODO: remove
+    # def _get_my_interface(self, chan: sys_conf.Channel) -> sys_conf.Interface:
+    #     interface = None
+    #     for inter in chan.interfaces():
+    #         if inter.component in self._components:
+    #             assert interface is None
+    #             interface = inter
+    #     if interface is None:
+    #         raise Exception(
+    #             "unable to find channel interface for simulators specification"
+    #         )
+    #     return interface
+
+    # # TODO: remove
+    # def _get_socket(
+    #     self, inst: inst_base.Instantiation, interface: sys_conf.Interface
+    # ) -> inst_base.Socket | None:
+    #     if not self._chan_needs_instance(chan=interface.get_chan_raise()):
+    #         return None
+    #     return inst.get_socket(
+    #         interface=interface, supported_sock_types=self.supported_socket_types()
+    #     )
+
+    # # TODO: remove
+    # def _get_sockets(self, inst: inst_base.Instantiation) -> list[inst_base.Socket]:
+    #     sockets = []
+    #     for comp_spec in self._components:
+    #         for interface in comp_spec.interfaces():
+    #             socket = self._get_socket(inst=inst, interface=interface)
+    #             if socket is None:
+    #                 continue
+    #             sockets.append(socket)
+    #     return sockets
+
+    def _get_socks_by_comp(
+        self, inst: inst_base.Instantiation, comp: sys_conf.Component
+    ) -> list[inst_base.Socket]:
+        if comp not in self._components:
+            raise Exception("comp must be a simulators component")
         sockets = []
-        for comp_spec in self._components:
-            for interface in comp_spec.interfaces():
-                socket = self._get_socket(inst=inst, interface=interface)
-                if socket is None:
-                    continue
+        for interface in comp.interfaces():
+            socket = inst.get_socket(interface=interface)
+            if socket:
                 sockets.append(socket)
         return sockets
 
+    def _get_socks_by_all_comp(
+        self, inst: inst_base.Instantiation
+    ) -> list[inst_base.Socket]:
+        sockets = []
+        for comp in self._components:
+            sockets.extend(self._get_socks_by_comp(inst=inst, comp=comp))
+        return sockets
+
     def _get_all_sockets_by_type(
         self, inst: inst_base.Instantiation, sock_type: inst_base.SockType
     ) -> list[inst_base.Socket]:
-        sockets = self._get_sockets(inst=inst)
+        sockets = self._get_socks_by_all_comp(inst=inst)
         sockets = Simulator.filter_sockets(sockets=sockets, filter_type=sock_type)
         return sockets
 
@@ -247,7 +265,7 @@ class Simulator(utils_base.IdObj):
     @abc.abstractmethod
     def run_cmd(self, inst: inst_base.Instantiation) -> str:
         """Command to execute this simulator."""
-        return ""
+        raise Exception("must be implemented in sub-class")
 
     def checkpoint_commands(self) -> list[str]:
         return []
@@ -256,7 +274,9 @@ class Simulator(utils_base.IdObj):
         return []
 
     @abc.abstractmethod
-    def supported_socket_types(self) -> set[inst_base.SockType]:
+    def supported_socket_types(
+        self, interface: sys_conf.Interface
+    ) -> set[inst_base.SockType]:
         return []
 
     # Sockets to be cleaned up: always the CONNECTING sockets

experiments/simbricks/orchestration/simulation/host.py

@@ -50,7 +50,9 @@ class HostSim(sim_base.Simulator):
     def supported_image_formats(self) -> list[str]:
         raise Exception("implement me")
 
-    def supported_socket_types(self) -> set[inst_base.SockType]:
+    def supported_socket_types(
+        self, interface: system.Interface
+    ) -> set[inst_base.SockType]:
         return [inst_base.SockType.CONNECT]
 
 
@@ -142,7 +144,7 @@ class Gem5Sim(HostSim):
             interfaces=fsh_interfaces, ty=sys_pcie.PCIeHostInterface
         )
         for inf in pci_interfaces:
-            socket = self._get_socket(inst=inst, interface=inf)
+            socket = inst.get_socket(interface=inf)
             if socket is None:
                 continue
             assert socket._type == inst_base.SockType.CONNECT
@@ -159,7 +161,7 @@ class Gem5Sim(HostSim):
             interfaces=fsh_interfaces, ty=sys_mem.MemHostInterface
         )
         for inf in mem_interfaces:
-            socket = self._get_socket(inst=inst, interface=inf)
+            socket = inst.get_socket(interface=inf)
             if socket is None:
                 continue
             assert socket._type == inst_base.SockType.CONNECT
@@ -201,7 +203,7 @@ class QemuSim(HostSim):
             executable="sims/external/qemu/build/x86_64-softmmu/qemu-system-x86_64",
         )
         self.name = f"QemuSim-{self._id}"
-        self._disks: list[tuple[str, str]] = [] # [(path, format)]
+        self._disks: list[tuple[str, str]] = []  # [(path, format)]
 
     def resreq_cores(self) -> int:
         return 1
@@ -222,7 +224,9 @@ class QemuSim(HostSim):
         d = []
         for disk in full_sys_hosts[0].disks:
             format = (
-                "qcow2" if not isinstance(disk, sys_host.LinuxConfigDiskImage) else "raw"
+                "qcow2"
+                if not isinstance(disk, sys_host.LinuxConfigDiskImage)
+                else "raw"
             )
             copy_path = await disk.make_qcow_copy(
                 inst=inst,
@@ -236,7 +240,7 @@ class QemuSim(HostSim):
         return []
 
     def cleanup_commands(self) -> list[str]:
-        return []
+        return ["poweroff -f"]
 
     def run_cmd(self, inst: inst_base.Instantiation) -> str:
 
@@ -287,7 +291,7 @@ class QemuSim(HostSim):
             interfaces=fsh_interfaces, ty=sys_pcie.PCIeHostInterface
         )
         for inf in pci_interfaces:
-            socket = self._get_socket(inst=inst, interface=inf)
+            socket = inst.get_socket(interface=inf)
             if socket is None:
                 continue
             assert socket._type is inst_base.SockType.CONNECT

experiments/simbricks/orchestration/simulation/net/net_base.py

@@ -20,12 +20,10 @@
 # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-import abc
-import sys
-import simbricks.orchestration.simulation.base as sim_base
-from simbricks.orchestration.system import eth
+from simbricks.orchestration.system import base as sys_base
+from simbricks.orchestration.system import eth as sys_eth
+from simbricks.orchestration.simulation import base as sim_base
 from simbricks.orchestration.instantiation import base as inst_base
-from simbricks.orchestration.experiment.experiment_environment_new import ExpEnv
 from simbricks.orchestration.utils import base as base_utils
 
 
@@ -46,7 +44,9 @@ class NetSim(sim_base.Simulator):
     def init_network(self) -> None:
         pass
 
-    def supported_socket_types(self) -> set[inst_base.SockType]:
+    def supported_socket_types(
+        self, interface: sys_base.Interface
+    ) -> set[inst_base.SockType]:
         return [inst_base.SockType.CONNECT]
 
 
@@ -59,11 +59,11 @@ class WireNet(NetSim):
             simulation=simulation,
             executable="sims/net/wire/net_wire",
         )
-        self.name=f"WireNet-{self._id}"
+        self.name = f"WireNet-{self._id}"
         self._relative_pcap_file_path: str | None = relative_pcap_filepath
 
-    def add(self, wire: eth.EthWire):
-        base_utils.has_expected_type(wire, eth.EthWire)
+    def add(self, wire: sys_eth.EthWire):
+        base_utils.has_expected_type(wire, sys_eth.EthWire)
         if len(self._components) > 1:
             raise Exception(
                 "can only add a single wire component to the WireNet simulator"
@@ -76,7 +76,7 @@ class WireNet(NetSim):
             sim_base.Simulator.get_unique_latency_period_sync(channels=channels)
         )
 
-        sockets = self._get_sockets(inst=inst)
+        sockets = self._get_socks_by_all_comp(inst=inst)
         assert len(sockets) == 2
 
         cmd = inst.join_repo_base(self._executable)
@@ -102,11 +102,11 @@ class SwitchNet(NetSim):
             simulation=simulation,
             executable=executable,
         )
-        self.name=f"SwitchNet-{self._id}"
+        self.name = f"SwitchNet-{self._id}"
         self._relative_pcap_file_path: str | None = relative_pcap_filepath
 
-    def add(self, switch_spec: eth.EthSwitch):
-        base_utils.has_expected_type(switch_spec, eth.EthSwitch)
+    def add(self, switch_spec: sys_eth.EthSwitch):
+        base_utils.has_expected_type(switch_spec, sys_eth.EthSwitch)
         if len(self._components) > 1:
             raise Exception("can only add a single switch component to the SwitchNet")
         super().add(switch_spec)
@@ -129,7 +129,7 @@ class SwitchNet(NetSim):
             )
             cmd += " " + pcap_file
 
-        sockets = self._get_sockets(inst=inst)
+        sockets = self._get_socks_by_all_comp(inst=inst)
         listen, connect = sim_base.Simulator.split_sockets_by_type(sockets)
 
         for sock in connect:
@@ -165,3 +165,98 @@ class MemSwitchNet(SwitchNet):
             cmd += f",{m[4]}"
 
         return cmd
+
+
+class SimpleNS3Sim(NetSim):
+
+    def __init__(
+        self,
+        simulation: sim_base.Simulation,
+        name: str = "SimpleNS3Sim",
+        ns3_run_script: str = "",
+    ) -> None:
+        super().__init__(
+            simulation=simulation,
+            executable="sims/external/ns-3/simbricks-run.sh",
+            name=name,
+        )
+        self._ns3_run_script: str = ns3_run_script
+
+    def run_cmd(self, inst: inst_base.Instantiation) -> str:
+        return f"{inst.join_repo_base(self._executable)} {self._ns3_run_script} "
+
+
+class NS3DumbbellNet(SimpleNS3Sim):
+
+    def __init__(self, simulation: sim_base.Simulation) -> None:
+        super().__init__(
+            simulation=simulation,
+            ns3_run_script="simbricks-dumbbell-example",
+        )
+        self.name = f"NS3DumbbellNet-{self._id}"
+        self._left: sys_eth.EthSwitch | None = None
+        self._right: sys_eth.EthSwitch | None = None
+
+    def add(self, left: sys_eth.EthSwitch, right: sys_eth.EthSwitch):
+        base_utils.has_expected_type(left, sys_eth.EthSwitch)
+        base_utils.has_expected_type(right, sys_eth.EthSwitch)
+
+        if (
+            len(self._components) > 2
+            or self._left is not None
+            or self._right is not None
+        ):
+            raise Exception("NS3DumbbellNet can only simulate two switches")
+
+        super().add(comp=left)
+        super().add(comp=right)
+        self._left = left
+        self._right = right
+
+    def run_cmd(self, inst: inst_base.Instantiation) -> str:
+        cmd = super().run_cmd(inst=inst)
+
+        left_socks = self._get_socks_by_comp(inst=inst, comp=self._left)
+        for sock in left_socks:
+            assert sock._type == inst_base.SockType.CONNECT
+            cmd += f"--SimbricksPortLeft={sock._path} "
+
+        right_sockets = self._get_socks_by_comp(inst=inst, comp=self._right)
+        for sock in right_sockets:
+            assert sock._type == inst_base.SockType.CONNECT
+            cmd += f"--SimbricksPortRight={sock._path} "
+
+        # TODO cmd += f"{self.opt}"
+        print(
+            f"!!!!!!!!!!!!!!!!!!!!!! NS3DumbbellNet run_cmd: {cmd} !!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
+        )
+        return cmd
+
+
+class NS3BridgeNet(SimpleNS3Sim):
+
+    def __init__(self, simulation: sim_base.Simulation) -> None:
+        super().__init__(
+            simulation=simulation,
+            ns3_run_script="simbricks-bridge-example",
+        )
+        self.name = f"NS3BridgeNet-{self._id}"
+
+    def add(self, switch_comp: sys_eth.EthSwitch):
+        base_utils.has_expected_type(switch_comp, sys_eth.EthSwitch)
+        if len(self._components) > 1:
+            raise Exception("NS3BridgeNet can only simulate one switch/bridge")
+        super().add(comp=switch_comp)
+
+    def run_cmd(self, inst: inst_base.Instantiation) -> str:
+        cmd = super().run_cmd(inst=inst)
+
+        sockets = self._get_socks_by_all_comp(inst=inst)
+        for sock in sockets:
+            cmd += f"--SimbricksPort={sock._path} "
+
+        # TODO cmd += f"{self.opt}"
+        print(
+            f"!!!!!!!!!!!!!!!!!!!!!! NS3BridgeNet run_cmd: {cmd} !!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
+        )
+        return cmd

experiments/simbricks/orchestration/simulation/pcidev.py

@@ -22,7 +22,7 @@
 
 from __future__ import annotations
 
-import typing as tp
+from simbricks.orchestration.system import base as sys_base
 from simbricks.orchestration.system import pcie as sys_pcie
 from simbricks.orchestration.system import eth as sys_eth
 from simbricks.orchestration.system import nic as sys_nic
@@ -41,7 +41,9 @@ class PCIDevSim(sim_base.Simulator):
     def full_name(self) -> str:
         return "dev." + self.name
 
-    def supported_socket_types(self) -> set[inst_base.SockType]:
+    def supported_socket_types(
+        self, interface: sys_base.Interface
+    ) -> set[inst_base.SockType]:
         return [inst_base.SockType.LISTEN]
 
 
@@ -70,13 +72,13 @@ class NICSim(PCIDevSim):
 
         pci_devices = self.filter_components_by_type(ty=sys_pcie.PCIeSimpleDevice)
         assert len(pci_devices) == 1
-        socket = self._get_socket(inst=inst, interface=pci_devices[0]._pci_if)
+        socket = inst.get_socket(interface=pci_devices[0]._pci_if)
         assert socket is not None and socket._type == inst_base.SockType.LISTEN
         cmd += f"{socket._path} "
 
         eth_devices = self.filter_components_by_type(ty=sys_eth.EthSimpleNIC)
         assert len(eth_devices) == 1
-        socket = self._get_socket(inst=inst, interface=eth_devices[0]._eth_if)
+        socket = inst.get_socket(interface=eth_devices[0]._eth_if)
         assert socket is not None and socket._type == inst_base.SockType.LISTEN
         cmd += f"{socket._path} "
 
@@ -95,13 +97,13 @@ class NICSim(PCIDevSim):
 
 
 class I40eNicSim(NICSim):
- 
+
     def __init__(self, simulation: sim_base.Simulation):
         super().__init__(
             simulation=simulation,
             executable="sims/nic/i40e_bm/i40e_bm",
         )
-        self.name=f"NICSim-{self._id}"
+        self.name = f"NICSim-{self._id}"
 
     def run_cmd(self, inst: inst_base.Instantiation) -> str:
         return super().run_cmd(inst=inst)
@@ -113,7 +115,7 @@ class CorundumBMNICSim(NICSim):
             simulation=simulation,
             executable="sims/nic/corundum_bm/corundum_bm",
         )
-        self.name=f"CorundumBMNICSim-{self._id}"
+        self.name = f"CorundumBMNICSim-{self._id}"
 
     def run_cmd(self, inst: inst_base.Instantiation) -> str:
         cmd = super().run_cmd(inst=inst)
@@ -127,7 +129,7 @@ class CorundumVerilatorNICSim(NICSim):
             simulation=simulation,
             executable="sims/nic/corundum/corundum_verilator",
         )
-        self.name=f"CorundumVerilatorNICSim-{self._id}"
+        self.name = f"CorundumVerilatorNICSim-{self._id}"
         self.clock_freq = 250  # MHz
 
     def resreq_mem(self) -> int:

experiments/simbricks/orchestration/system/eth.py

@@ -55,7 +55,7 @@ class EthSimpleNIC(base.Component):
 class BaseEthNetComponent(base.Component):
     def __init__(self, s: base.System) -> None:
         super().__init__(s)
-        self.eth_ifs: EthInterface = []
+        self.eth_ifs: list[EthInterface] = []
 
     def add_if(self, i: EthInterface) -> None:
         self.eth_ifs.append(i)