Make sure used ports in a project are cleaned up when closing it.

gns3server/modules/base_vm.py

@@ -50,9 +50,9 @@ class BaseVM:
         self._temporary_directory = None
 
         if self._console is not None:
-            self._console = self._manager.port_manager.reserve_tcp_port(self._console)
+            self._console = self._manager.port_manager.reserve_tcp_port(self._console, self._project)
         else:
-            self._console = self._manager.port_manager.get_free_tcp_port()
+            self._console = self._manager.port_manager.get_free_tcp_port(self._project)
 
         log.debug("{module}: {name} [{id}] initialized. Console port {console}".format(
             module=self.manager.module_name,
@@ -203,8 +203,8 @@ class BaseVM:
         if console == self._console:
             return
         if self._console:
-            self._manager.port_manager.release_tcp_port(self._console)
-        self._console = self._manager.port_manager.reserve_tcp_port(console)
+            self._manager.port_manager.release_tcp_port(self._console, self._project)
+        self._console = self._manager.port_manager.reserve_tcp_port(console, self._project)
         log.info("{module}: '{name}' [{id}]: console port set to {port}".format(
             module=self.manager.module_name,
             name=self.name,

gns3server/modules/dynamips/nodes/atm_switch.py

@@ -109,7 +109,7 @@ class ATMSwitch(Device):
 
         for nio in self._nios.values():
             if nio and isinstance(nio, NIOUDP):
-                self.manager.port_manager.release_udp_port(nio.lport)
+                self.manager.port_manager.release_udp_port(nio.lport, self._project)
 
         try:
             yield from self._hypervisor.send('atmsw delete "{}"'.format(self._name))
@@ -162,7 +162,7 @@ class ATMSwitch(Device):
 
         nio = self._nios[port_number]
         if isinstance(nio, NIOUDP):
-            self.manager.port_manager.release_udp_port(nio.lport)
+            self.manager.port_manager.release_udp_port(nio.lport, self._project)
         log.info('ATM switch "{name}" [{id}]: NIO {nio} removed from port {port}'.format(name=self._name,
                                                                                          id=self._id,
                                                                                          nio=nio,

gns3server/modules/dynamips/nodes/ethernet_hub.py

@@ -76,7 +76,7 @@ class EthernetHub(Bridge):
 
         for nio in self._nios:
             if nio and isinstance(nio, NIOUDP):
-                self.manager.port_manager.release_udp_port(nio.lport)
+                self.manager.port_manager.release_udp_port(nio.lport, self._project)
 
         try:
             yield from Bridge.delete(self)
@@ -121,7 +121,7 @@ class EthernetHub(Bridge):
 
         nio = self._mappings[port_number]
         if isinstance(nio, NIOUDP):
-            self.manager.port_manager.release_udp_port(nio.lport)
+            self.manager.port_manager.release_udp_port(nio.lport, self._project)
         yield from Bridge.remove_nio(self, nio)
 
         log.info('Ethernet switch "{name}" [{id}]: NIO {nio} removed from port {port}'.format(name=self._name,

gns3server/modules/dynamips/nodes/ethernet_switch.py

@@ -117,7 +117,7 @@ class EthernetSwitch(Device):
 
         for nio in self._nios.values():
             if nio and isinstance(nio, NIOUDP):
-                self.manager.port_manager.release_udp_port(nio.lport)
+                self.manager.port_manager.release_udp_port(nio.lport, self._project)
 
         try:
             yield from self._hypervisor.send('ethsw delete "{}"'.format(self._name))
@@ -164,7 +164,7 @@ class EthernetSwitch(Device):
 
         nio = self._nios[port_number]
         if isinstance(nio, NIOUDP):
-            self.manager.port_manager.release_udp_port(nio.lport)
+            self.manager.port_manager.release_udp_port(nio.lport, self._project)
         yield from self._hypervisor.send('ethsw remove_nio "{name}" {nio}'.format(name=self._name, nio=nio))
 
         log.info('Ethernet switch "{name}" [{id}]: NIO {nio} removed from port {port}'.format(name=self._name,

gns3server/modules/dynamips/nodes/frame_relay_switch.py

@@ -108,7 +108,7 @@ class FrameRelaySwitch(Device):
 
         for nio in self._nios.values():
             if nio and isinstance(nio, NIOUDP):
-                self.manager.port_manager.release_udp_port(nio.lport)
+                self.manager.port_manager.release_udp_port(nio.lport, self._project)
 
         try:
             yield from self._hypervisor.send('frsw delete "{}"'.format(self._name))
@@ -163,7 +163,7 @@ class FrameRelaySwitch(Device):
 
         nio = self._nios[port_number]
         if isinstance(nio, NIOUDP):
-            self.manager.port_manager.release_udp_port(nio.lport)
+            self.manager.port_manager.release_udp_port(nio.lport, self._project)
 
         log.info('Frame Relay switch "{name}" [{id}]: NIO {nio} removed from port {port}'.format(name=self._name,
                                                                                                  id=self._id,

gns3server/modules/dynamips/nodes/router.py

@@ -109,16 +109,16 @@ class Router(BaseVM):
             self._dynamips_ids[project.id].append(self._dynamips_id)
 
             if self._aux is not None:
-                self._aux = self._manager.port_manager.reserve_tcp_port(self._aux)
+                self._aux = self._manager.port_manager.reserve_tcp_port(self._aux, self._project)
             else:
                 allocate_aux = self.manager.config.get_section_config("Dynamips").getboolean("allocate_aux_console_ports", False)
                 if allocate_aux:
-                    self._aux = self._manager.port_manager.get_free_tcp_port()
+                    self._aux = self._manager.port_manager.get_free_tcp_port(self._project)
         else:
             log.info("Creating a new ghost IOS instance")
             if self._console:
                 # Ghost VMs do not need a console port.
-                self._manager.port_manager.release_tcp_port(self._console)
+                self._manager.port_manager.release_tcp_port(self._console, self._project)
                 self._console = None
             self._dynamips_id = 0
             self._name = "Ghost"
@@ -326,18 +326,18 @@ class Router(BaseVM):
             self._dynamips_ids[self._project.id].remove(self._dynamips_id)
 
         if self._console:
-            self._manager.port_manager.release_tcp_port(self._console)
+            self._manager.port_manager.release_tcp_port(self._console, self._project)
             self._console = None
 
         if self._aux:
-            self._manager.port_manager.release_tcp_port(self._aux)
+            self._manager.port_manager.release_tcp_port(self._aux, self._project)
             self._aux = None
 
         for adapter in self._slots:
             if adapter is not None:
                 for nio in adapter.ports.values():
                     if nio and isinstance(nio, NIOUDP):
-                        self.manager.port_manager.release_udp_port(nio.lport)
+                        self.manager.port_manager.release_udp_port(nio.lport, self._project)
 
         if self in self._hypervisor.devices:
             self._hypervisor.devices.remove(self)
@@ -876,8 +876,8 @@ class Router(BaseVM):
                                                                                                            old_console=self._console,
                                                                                                            new_console=console))
 
-        self._manager.port_manager.release_tcp_port(self._console)
-        self._console = self._manager.port_manager.reserve_tcp_port(console)
+        self._manager.port_manager.release_tcp_port(self._console, self._project)
+        self._console = self._manager.port_manager.reserve_tcp_port(console, self._project)
 
     @property
     def aux(self):
@@ -904,8 +904,8 @@ class Router(BaseVM):
                                                                                                old_aux=self._aux,
                                                                                                new_aux=aux))
 
-        self._manager.port_manager.release_tcp_port(self._aux)
-        self._aux = self._manager.port_manager.reserve_tcp_port(aux)
+        self._manager.port_manager.release_tcp_port(self._aux, self._project)
+        self._aux = self._manager.port_manager.reserve_tcp_port(aux, self._project)
 
     @asyncio.coroutine
     def get_cpu_usage(self, cpu_id=0):
@@ -1228,7 +1228,7 @@ class Router(BaseVM):
         if nio is None:
             return
         if isinstance(nio, NIOUDP):
-            self.manager.port_manager.release_udp_port(nio.lport)
+            self.manager.port_manager.release_udp_port(nio.lport, self._project)
         adapter.remove_nio(port_number)
 
         log.info('Router "{name}" [{id}]: NIO {nio_name} removed from port {slot_number}/{port_number}'.format(name=self._name,

gns3server/modules/iou/iou_vm.py

@@ -111,7 +111,7 @@ class IOUVM(BaseVM):
         log.debug('IOU "{name}" [{id}] is closing'.format(name=self._name, id=self._id))
 
         if self._console:
-            self._manager.port_manager.release_tcp_port(self._console)
+            self._manager.port_manager.release_tcp_port(self._console, self._project)
             self._console = None
 
         adapters = self._ethernet_adapters + self._serial_adapters
@@ -119,7 +119,7 @@ class IOUVM(BaseVM):
             if adapter is not None:
                 for nio in adapter.ports.values():
                     if nio and isinstance(nio, NIOUDP):
-                        self.manager.port_manager.release_udp_port(nio.lport)
+                        self.manager.port_manager.release_udp_port(nio.lport, self._project)
 
         yield from self.stop()
 
@@ -875,7 +875,7 @@ class IOUVM(BaseVM):
 
         nio = adapter.get_nio(port_number)
         if isinstance(nio, NIOUDP):
-            self.manager.port_manager.release_udp_port(nio.lport)
+            self.manager.port_manager.release_udp_port(nio.lport, self._project)
         adapter.remove_nio(port_number)
         log.info("IOU {name} [id={id}]: {nio} removed from {adapter_number}/{port_number}".format(name=self._name,
                                                                                                   id=self._id,

gns3server/modules/port_manager.py

@@ -173,9 +173,11 @@ class PortManager:
                                                                                                                      host,
                                                                                                                      last_exception))
 
-    def get_free_tcp_port(self):
+    def get_free_tcp_port(self, project):
         """
         Get an available TCP port and reserve it
+
+        :param project: Project instance
         """
 
         port = self.find_unused_port(self._console_port_range[0],
@@ -185,36 +187,43 @@ class PortManager:
                                      ignore_ports=self._used_tcp_ports)
 
         self._used_tcp_ports.add(port)
+        project.record_tcp_port(port)
         log.debug("TCP port {} has been allocated".format(port))
         return port
 
-    def reserve_tcp_port(self, port):
+    def reserve_tcp_port(self, port, project):
         """
         Reserve a specific TCP port number
 
         :param port: TCP port number
+        :param project: Project instance
         """
 
         if port in self._used_tcp_ports:
             raise HTTPConflict(text="TCP port {} already in use on host".format(port, self._console_host))
         self._used_tcp_ports.add(port)
+        project.record_tcp_port(port)
         log.debug("TCP port {} has been reserved".format(port))
         return port
 
-    def release_tcp_port(self, port):
+    def release_tcp_port(self, port, project):
         """
         Release a specific TCP port number
 
         :param port: TCP port number
+        :param project: Project instance
         """
 
         if port in self._used_tcp_ports:
             self._used_tcp_ports.remove(port)
+            project.remove_tcp_port(port)
             log.debug("TCP port {} has been released".format(port))
 
-    def get_free_udp_port(self):
+    def get_free_udp_port(self, project):
         """
         Get an available UDP port and reserve it
+
+        :param project: Project instance
         """
 
         port = self.find_unused_port(self._udp_port_range[0],
@@ -224,28 +233,33 @@ class PortManager:
                                      ignore_ports=self._used_udp_ports)
 
         self._used_udp_ports.add(port)
+        project.record_udp_port(port)
         log.debug("UDP port {} has been allocated".format(port))
         return port
 
-    def reserve_udp_port(self, port):
+    def reserve_udp_port(self, port, project):
         """
         Reserve a specific UDP port number
 
         :param port: UDP port number
+        :param project: Project instance
         """
 
         if port in self._used_udp_ports:
             raise HTTPConflict(text="UDP port {} already in use on host".format(port, self._console_host))
         self._used_udp_ports.add(port)
+        project.record_udp_port(port)
         log.debug("UDP port {} has been reserved".format(port))
 
-    def release_udp_port(self, port):
+    def release_udp_port(self, port, project):
         """
         Release a specific UDP port number
 
         :param port: UDP port number
+        :param project: Project instance
         """
 
         if port in self._used_udp_ports:
             self._used_udp_ports.remove(port)
+            project.remove_udp_port(port)
             log.debug("UDP port {} has been released".format(port))

gns3server/modules/project.py

@@ -62,6 +62,8 @@ class Project:
         self._vms = set()
         self._vms_to_destroy = set()
         self.temporary = temporary
+        self._used_tcp_ports = set()
+        self._used_udp_ports = set()
 
         if path is None:
             path = os.path.join(self._location, self._id)
@@ -168,6 +170,46 @@ class Project:
         self._temporary = temporary
         self._update_temporary_file()
 
+    def record_tcp_port(self, port):
+        """
+        Associate a reserved TCP port number with this project.
+
+        :param port: TCP port number
+        """
+
+        if port not in self._used_tcp_ports:
+            self._used_tcp_ports.add(port)
+
+    def record_udp_port(self, port):
+        """
+        Associate a reserved UDP port number with this project.
+
+        :param port: UDP port number
+        """
+
+        if port not in self._used_udp_ports:
+            self._used_udp_ports.add(port)
+
+    def remove_tcp_port(self, port):
+        """
+        Removes an associated TCP port number from this project.
+
+        :param port: TCP port number
+        """
+
+        if port in self._used_tcp_ports:
+            self._used_tcp_ports.remove(port)
+
+    def remove_udp_port(self, port):
+        """
+        Removes an associated UDP port number from this project.
+
+        :param port: UDP port number
+        """
+
+        if port in self._used_udp_ports:
+            self._used_udp_ports.remove(port)
+
     def _update_temporary_file(self):
         """
         Update the .gns3_temporary file in order to reflect current
@@ -309,12 +351,17 @@ class Project:
         else:
             log.info("Project {id} with path '{path}' closed".format(path=self._path, id=self._id))
 
-        port_manager = PortManager.instance()
-        if port_manager.tcp_ports:
-            log.debug("TCP ports still in use: {}".format(port_manager.tcp_ports))
+        if self._used_tcp_ports:
+            log.warning("Project {} has TCP ports still in use: {}".format(self.id, self._used_tcp_ports))
+        if self._used_udp_ports:
+            log.warning("Project {} has UDP ports still in use: {}".format(self.id, self._used_udp_ports))
 
-        if port_manager.udp_ports:
-            log.debug("UDP ports still in use: {}".format(port_manager.udp_ports))
+        # clean the remaining ports that have not been cleaned by their respective VM or device.
+        port_manager = PortManager.instance()
+        for port in self._used_tcp_ports.copy():
+            port_manager.release_tcp_port(port, self)
+        for port in self._used_udp_ports.copy():
+            port_manager.release_udp_port(port, self)
 
     @asyncio.coroutine
     def commit(self):

gns3server/modules/qemu/qemu_vm.py

@@ -93,9 +93,9 @@ class QemuVM(BaseVM):
         self._process_priority = "low"
 
         if self._monitor is not None:
-            self._monitor = self._manager.port_manager.reserve_tcp_port(self._monitor)
+            self._monitor = self._manager.port_manager.reserve_tcp_port(self._monitor, self._project)
         else:
-            self._monitor = self._manager.port_manager.get_free_tcp_port()
+            self._monitor = self._manager.port_manager.get_free_tcp_port(self._project)
 
         self.adapters = 1  # creates 1 adapter by default
         log.info("QEMU VM {name} [id={id}] has been created".format(name=self._name,
@@ -122,8 +122,8 @@ class QemuVM(BaseVM):
         if monitor == self._monitor:
             return
         if self._monitor:
-            self._manager.port_manager.release_monitor_port(self._monitor)
-        self._monitor = self._manager.port_manager.reserve_monitor_port(monitor)
+            self._manager.port_manager.release_monitor_port(self._monitor, self._project)
+        self._monitor = self._manager.port_manager.reserve_monitor_port(monitor, self._project)
         log.info("{module}: '{name}' [{id}]: monitor port set to {port}".format(
             module=self.manager.module_name,
             name=self.name,
@@ -699,10 +699,10 @@ class QemuVM(BaseVM):
         log.debug('QEMU VM "{name}" [{id}] is closing'.format(name=self._name, id=self._id))
         yield from self.stop()
         if self._console:
-            self._manager.port_manager.release_tcp_port(self._console)
+            self._manager.port_manager.release_tcp_port(self._console, self._project)
             self._console = None
         if self._monitor:
-            self._manager.port_manager.release_tcp_port(self._monitor)
+            self._manager.port_manager.release_tcp_port(self._monitor, self._project)
             self._monitor = None
 
     @asyncio.coroutine
@@ -825,7 +825,7 @@ class QemuVM(BaseVM):
 
         nio = adapter.get_nio(0)
         if isinstance(nio, NIOUDP):
-            self.manager.port_manager.release_udp_port(nio.lport)
+            self.manager.port_manager.release_udp_port(nio.lport, self._project)
         adapter.remove_nio(0)
         log.info("QEMU VM {name} [id={id}]: {nio} removed from adapter {adapter_id}".format(name=self._name,
                                                                                             id=self._id,

gns3server/modules/virtualbox/virtualbox_vm.py

@@ -305,14 +305,14 @@ class VirtualBoxVM(BaseVM):
 
         log.debug("VirtualBox VM '{name}' [{id}] is closing".format(name=self.name, id=self.id))
         if self._console:
-            self._manager.port_manager.release_tcp_port(self._console)
+            self._manager.port_manager.release_tcp_port(self._console, self._project)
             self._console = None
 
         for adapter in self._ethernet_adapters:
             if adapter is not None:
                 for nio in adapter.ports.values():
                     if nio and isinstance(nio, NIOUDP):
-                        self.manager.port_manager.release_udp_port(nio.lport)
+                        self.manager.port_manager.release_udp_port(nio.lport, self._project)
 
         yield from self.stop()
 
@@ -828,7 +828,7 @@ class VirtualBoxVM(BaseVM):
 
         nio = adapter.get_nio(0)
         if isinstance(nio, NIOUDP):
-            self.manager.port_manager.release_udp_port(nio.lport)
+            self.manager.port_manager.release_udp_port(nio.lport, self._project)
         adapter.remove_nio(0)
 
         log.info("VirtualBox VM '{name}' [{id}]: {nio} removed from adapter {adapter_number}".format(name=self.name,

gns3server/modules/vpcs/vpcs_vm.py

@@ -74,12 +74,12 @@ class VPCSVM(BaseVM):
 
         log.debug("VPCS {name} [{id}] is closing".format(name=self._name, id=self._id))
         if self._console:
-            self._manager.port_manager.release_tcp_port(self._console)
+            self._manager.port_manager.release_tcp_port(self._console, self._project)
             self._console = None
 
         nio = self._ethernet_adapter.get_nio(0)
         if isinstance(nio, NIOUDP):
-            self.manager.port_manager.release_udp_port(nio.lport)
+            self.manager.port_manager.release_udp_port(nio.lport, self._project)
 
         self._terminate_process()
 
@@ -334,7 +334,7 @@ class VPCSVM(BaseVM):
 
         nio = self._ethernet_adapter.get_nio(port_number)
         if isinstance(nio, NIOUDP):
-            self.manager.port_manager.release_udp_port(nio.lport)
+            self.manager.port_manager.release_udp_port(nio.lport, self._project)
         self._ethernet_adapter.remove_nio(port_number)
 
         log.info("VPCS {name} [{id}]: {nio} removed from port {port_number}".format(name=self._name,