Merge 'origin/feature/1812' into feature/1924

src/primaite/simulator/system/services/database/database_service.py

@@ -1,5 +1,6 @@
 import sqlite3
 from datetime import datetime
+from ipaddress import IPv4Address
 from sqlite3 import OperationalError
 from typing import Any, Dict, List, Optional, Union
 
@@ -9,6 +10,7 @@ from primaite.simulator.file_system.file_system import File
 from primaite.simulator.network.transmission.network_layer import IPProtocol
 from primaite.simulator.network.transmission.transport_layer import Port
 from primaite.simulator.system.core.software_manager import SoftwareManager
+from primaite.simulator.system.services.ftp.ftp_client import FTPClient
 from primaite.simulator.system.services.service import Service, ServiceOperatingState
 from primaite.simulator.system.software import SoftwareHealthState
 
@@ -23,6 +25,15 @@ class DatabaseService(Service):
     password: Optional[str] = None
     connections: Dict[str, datetime] = {}
 
+    backup_server: IPv4Address = None
+    """IP address of the backup server."""
+
+    latest_backup_directory: str = None
+    """Directory of latest backup."""
+
+    latest_backup_file_name: str = None
+    """File name of latest backup."""
+
     def __init__(self, **kwargs):
         kwargs["name"] = "DatabaseService"
         kwargs["port"] = Port.POSTGRES_SERVER
@@ -30,6 +41,9 @@ class DatabaseService(Service):
         super().__init__(**kwargs)
         self._db_file: File
         self._create_db_file()
+        self._connect()
+
+    def _connect(self):
         self._conn = sqlite3.connect(self._db_file.sim_path)
         self._cursor = self._conn.cursor()
 
@@ -40,8 +54,10 @@ class DatabaseService(Service):
         :return: List of table names.
         """
         sql = "SELECT name FROM sqlite_master WHERE type='table' AND name != 'sqlite_sequence';"
-        results = self._process_sql(sql)
-        return [row[0] for row in results["data"]]
+        results = self._process_sql(sql, None)
+        if isinstance(results["data"], dict):
+            return list(results["data"].keys())
+        return []
 
     def show(self, markdown: bool = False):
         """
@@ -58,6 +74,72 @@ class DatabaseService(Service):
             table.add_row([row])
         print(table)
 
+    def configure_backup(self, backup_server: IPv4Address):
+        """
+        Set up the database backup.
+
+        :param: backup_server_ip: The IP address of the backup server
+        """
+        self.backup_server = backup_server
+
+    def backup_database(self) -> bool:
+        """Create a backup of the database to the configured backup server."""
+        # check if the backup server was configured
+        if self.backup_server is None:
+            self.sys_log.error(f"{self.name} - {self.sys_log.hostname}: not configured.")
+            return False
+
+        self._conn.close()
+
+        software_manager: SoftwareManager = self.software_manager
+        ftp_client_service: FTPClient = software_manager.software["FTPClient"]
+
+        # send backup copy of database file to FTP server
+        response = ftp_client_service.send_file(
+            dest_ip_address=self.backup_server,
+            src_file_name=self._db_file.name,
+            src_folder_name=self._db_file.folder.name,
+            dest_folder_name=str(self.uuid),
+            dest_file_name="database.db",
+            real_file_path=self._db_file.sim_path,
+        )
+        self._connect()
+
+        if response:
+            return True
+
+        self.sys_log.error("Unable to create database backup.")
+        return False
+
+    def restore_backup(self) -> bool:
+        """Restore a backup from backup server."""
+        software_manager: SoftwareManager = self.software_manager
+        ftp_client_service: FTPClient = software_manager.software["FTPClient"]
+
+        # retrieve backup file from backup server
+        response = ftp_client_service.request_file(
+            src_folder_name=str(self.uuid),
+            src_file_name="database.db",
+            dest_folder_name="downloads",
+            dest_file_name="database.db",
+            dest_ip_address=self.backup_server,
+        )
+
+        if response:
+            self._conn.close()
+            # replace db file
+            self.file_system.delete_file(folder_name=self.folder.name, file_name="downloads.db")
+            self.file_system.move_file(
+                src_folder_name="downloads", src_file_name="database.db", dst_folder_name=self.folder.name
+            )
+            self._db_file = self.file_system.get_file(folder_name=self.folder.name, file_name="database.db")
+            self._connect()
+
+            return self._db_file is not None
+
+        self.sys_log.error("Unable to restore database backup.")
+        return False
+
     def _create_db_file(self):
         """Creates the Simulation File and sqlite file in the file system."""
         self._db_file: File = self.file_system.create_file(folder_name="database", file_name="database.db", real=True)

src/primaite/simulator/system/services/dns/dns_client.py

@@ -27,6 +27,7 @@ class DNSClient(Service):
         # TCP for now
         kwargs["protocol"] = IPProtocol.TCP
         super().__init__(**kwargs)
+        self.start()
 
     def describe_state(self) -> Dict:
         """

src/primaite/simulator/system/services/dns/dns_server.py

@@ -26,6 +26,7 @@ class DNSServer(Service):
         # TCP for now
         kwargs["protocol"] = IPProtocol.TCP
         super().__init__(**kwargs)
+        self.start()
 
     def describe_state(self) -> Dict:
         """

src/primaite/simulator/system/services/ftp/ftp_client.py

@@ -0,0 +1,256 @@
+from ipaddress import IPv4Address
+from typing import Optional
+
+from primaite.simulator.file_system.file_system import File
+from primaite.simulator.network.protocols.ftp import FTPCommand, FTPPacket, FTPStatusCode
+from primaite.simulator.network.transmission.network_layer import IPProtocol
+from primaite.simulator.network.transmission.transport_layer import Port
+from primaite.simulator.system.core.software_manager import SoftwareManager
+from primaite.simulator.system.services.ftp.ftp_service import FTPServiceABC
+from primaite.simulator.system.services.service import ServiceOperatingState
+
+
+class FTPClient(FTPServiceABC):
+    """
+    A class for simulating an FTP client service.
+
+    This class inherits from the `Service` class and provides methods to emulate FTP
+    RFC 959: https://datatracker.ietf.org/doc/html/rfc959
+    """
+
+    connected: bool = False
+    """Keeps track of whether or not the FTP client is connected to an FTP server."""
+
+    def __init__(self, **kwargs):
+        kwargs["name"] = "FTPClient"
+        kwargs["port"] = Port.FTP
+        kwargs["protocol"] = IPProtocol.TCP
+        super().__init__(**kwargs)
+        self.start()
+
+    def _process_ftp_command(self, payload: FTPPacket, session_id: Optional[str] = None, **kwargs) -> FTPPacket:
+        """
+        Process the command in the FTP Packet.
+
+        :param: payload: The FTP Packet to process
+        :type: payload: FTPPacket
+        :param: session_id: session ID linked to the FTP Packet. Optional.
+        :type: session_id: Optional[str]
+        """
+        # if client service is down, return error
+        if self.operating_state != ServiceOperatingState.RUNNING:
+            payload.status_code = FTPStatusCode.ERROR
+            return payload
+
+        # process client specific commands, otherwise call super
+        return super()._process_ftp_command(payload=payload, session_id=session_id, **kwargs)
+
+    def _connect_to_server(
+        self,
+        dest_ip_address: Optional[IPv4Address] = None,
+        dest_port: Optional[Port] = Port.FTP,
+        is_reattempt: Optional[bool] = False,
+    ) -> bool:
+        """
+        Connects the client to a given FTP server.
+
+        :param: dest_ip_address: IP address of the FTP server the client needs to connect to. Optional.
+        :type: dest_ip_address: Optional[IPv4Address]
+        :param: dest_port: Port of the FTP server the client needs to connect to. Optional.
+        :type: dest_port: Optional[Port]
+        :param: is_reattempt: Set to True if attempt to connect to FTP Server has been attempted. Default False.
+        :type: is_reattempt: Optional[bool]
+        """
+        # make sure the service is running before attempting
+        if self.operating_state != ServiceOperatingState.RUNNING:
+            self.sys_log.error(f"FTPClient not running for {self.sys_log.hostname}")
+            return False
+
+        # normally FTP will choose a random port for the transfer, but using the FTP command port will do for now
+        # create FTP packet
+        payload: FTPPacket = FTPPacket(
+            ftp_command=FTPCommand.PORT,
+            ftp_command_args=Port.FTP,
+        )
+        software_manager: SoftwareManager = self.software_manager
+        software_manager.send_payload_to_session_manager(
+            payload=payload, dest_ip_address=dest_ip_address, dest_port=dest_port
+        )
+
+        if payload.status_code == FTPStatusCode.OK:
+            return True
+        else:
+            if is_reattempt:
+                # reattempt failed
+                return False
+            else:
+                # try again
+                self._connect_to_server(dest_ip_address=dest_ip_address, dest_port=dest_port, is_reattempt=True)
+
+    def _disconnect_from_server(
+        self, dest_ip_address: Optional[IPv4Address] = None, dest_port: Optional[Port] = Port.FTP
+    ) -> bool:
+        """
+        Connects the client from a given FTP server.
+
+        :param: dest_ip_address: IP address of the FTP server the client needs to disconnect from. Optional.
+        :type: dest_ip_address: Optional[IPv4Address]
+        :param: dest_port: Port of the FTP server the client needs to disconnect from. Optional.
+        :type: dest_port: Optional[Port]
+        :param: is_reattempt: Set to True if attempt to disconnect from FTP Server has been attempted. Default False.
+        :type: is_reattempt: Optional[bool]
+        """
+        # send a disconnect request payload to FTP server
+        payload: FTPPacket = FTPPacket(ftp_command=FTPCommand.QUIT)
+        software_manager: SoftwareManager = self.software_manager
+        software_manager.send_payload_to_session_manager(
+            payload=payload, dest_ip_address=dest_ip_address, dest_port=dest_port
+        )
+        if payload.status_code == FTPStatusCode.OK:
+            self.connected = False
+            return True
+        return False
+
+    def send_file(
+        self,
+        dest_ip_address: IPv4Address,
+        src_folder_name: str,
+        src_file_name: str,
+        dest_folder_name: str,
+        dest_file_name: str,
+        dest_port: Optional[Port] = Port.FTP,
+        real_file_path: Optional[str] = None,
+    ) -> bool:
+        """
+        Send a file to a target IP address.
+
+        The function checks if the file exists in the FTP Client host.
+        The STOR command is then sent to the FTP Server.
+
+        :param: dest_ip_address: The IP address of the machine that hosts the FTP Server.
+        :type: dest_ip_address: IPv4Address
+
+        :param: src_folder_name: The name of the folder that contains the file to send to the FTP Server.
+        :type: src_folder_name: str
+
+        :param: src_file_name: The name of the file to send to the FTP Server.
+        :type: src_file_name: str
+
+        :param: dest_folder_name: The name of the folder where the file will be stored in the FTP Server.
+        :type: dest_folder_name: str
+
+        :param: dest_file_name: The name of the file to be saved on the FTP Server.
+        :type: dest_file_name: str
+
+        :param: dest_port: The open port of the machine that hosts the FTP Server. Default is Port.FTP.
+        :type: dest_port: Optional[Port]
+        """
+        # check if the file to transfer exists on the client
+        file_to_transfer: File = self.file_system.get_file(folder_name=src_folder_name, file_name=src_file_name)
+        if not file_to_transfer:
+            self.sys_log.error(f"Unable to send file that does not exist: {src_folder_name}/{src_file_name}")
+            return False
+
+        # check if FTP is currently connected to IP
+        self.connected = self._connect_to_server(
+            dest_ip_address=dest_ip_address,
+            dest_port=dest_port,
+        )
+
+        if not self.connected:
+            return False
+        else:
+            self.sys_log.info(f"Sending file {src_folder_name}/{src_file_name} to {str(dest_ip_address)}")
+            # send STOR request
+            if self._send_data(
+                file=file_to_transfer,
+                dest_folder_name=dest_folder_name,
+                dest_file_name=dest_file_name,
+                dest_ip_address=dest_ip_address,
+                dest_port=dest_port,
+            ):
+                return self._disconnect_from_server(dest_ip_address=dest_ip_address, dest_port=dest_port)
+
+            return False
+
+    def request_file(
+        self,
+        dest_ip_address: IPv4Address,
+        src_folder_name: str,
+        src_file_name: str,
+        dest_folder_name: str,
+        dest_file_name: str,
+        dest_port: Optional[Port] = Port.FTP,
+    ) -> bool:
+        """
+        Request a file from a target IP address.
+
+        Sends a RETR command to the FTP Server.
+
+        :param: dest_ip_address: The IP address of the machine that hosts the FTP Server.
+        :type: dest_ip_address: IPv4Address
+
+        :param: src_folder_name: The name of the folder that contains the file to send to the FTP Server.
+        :type: src_folder_name: str
+
+        :param: src_file_name: The name of the file to send to the FTP Server.
+        :type: src_file_name: str
+
+        :param: dest_folder_name: The name of the folder where the file will be stored in the FTP Server.
+        :type: dest_folder_name: str
+
+        :param: dest_file_name: The name of the file to be saved on the FTP Server.
+        :type: dest_file_name: str
+
+        :param: dest_port: The open port of the machine that hosts the FTP Server. Default is Port.FTP.
+        :type: dest_port: Optional[Port]
+        """
+        # check if FTP is currently connected to IP
+        self.connected = self._connect_to_server(
+            dest_ip_address=dest_ip_address,
+            dest_port=dest_port,
+        )
+
+        if not self.connected:
+            return False
+        else:
+            # send retrieve request
+            payload: FTPPacket = FTPPacket(
+                ftp_command=FTPCommand.RETR,
+                ftp_command_args={
+                    "src_folder_name": src_folder_name,
+                    "src_file_name": src_file_name,
+                    "dest_file_name": dest_file_name,
+                    "dest_folder_name": dest_folder_name,
+                },
+            )
+            self.sys_log.info(f"Requesting file {src_folder_name}/{src_file_name} from {str(dest_ip_address)}")
+            software_manager: SoftwareManager = self.software_manager
+            software_manager.send_payload_to_session_manager(
+                payload=payload, dest_ip_address=dest_ip_address, dest_port=dest_port
+            )
+
+            # the payload should have ok status code
+            if payload.status_code == FTPStatusCode.OK:
+                self.sys_log.info(f"File {src_folder_name}/{src_file_name} found in FTP server.")
+                return True
+            else:
+                self.sys_log.error(f"File {src_folder_name}/{src_file_name} does not exist in FTP server")
+                return False
+
+    def receive(self, payload: FTPPacket, session_id: Optional[str] = None, **kwargs) -> bool:
+        """
+        Receives a payload from the SessionManager.
+
+        :param: payload: FTPPacket payload.
+        :type: payload: FTPPacket
+
+        :param: session_id: ID of the session. Optional.
+        :type: session_id: Optional[str]
+        """
+        if not isinstance(payload, FTPPacket):
+            self.sys_log.error(f"{payload} is not an FTP packet")
+            return False
+
+        self._process_ftp_command(payload=payload, session_id=session_id)
+        return True

src/primaite/simulator/system/services/ftp/ftp_server.py

@@ -0,0 +1,83 @@
+from ipaddress import IPv4Address
+from typing import Any, Dict, Optional
+
+from primaite.simulator.network.protocols.ftp import FTPCommand, FTPPacket, FTPStatusCode
+from primaite.simulator.network.transmission.network_layer import IPProtocol
+from primaite.simulator.network.transmission.transport_layer import Port
+from primaite.simulator.system.core.session_manager import Session
+from primaite.simulator.system.services.ftp.ftp_service import FTPServiceABC
+from primaite.simulator.system.services.service import ServiceOperatingState
+
+
+class FTPServer(FTPServiceABC):
+    """
+    A class for simulating an FTP server service.
+
+    This class inherits from the `Service` class and provides methods to emulate FTP
+    RFC 959: https://datatracker.ietf.org/doc/html/rfc959
+    """
+
+    server_password: Optional[str] = None
+    """Password needed to connect to FTP server. Default is None."""
+
+    connections: Dict[str, IPv4Address] = {}
+    """Current active connections to the FTP server."""
+
+    def __init__(self, **kwargs):
+        kwargs["name"] = "FTPServer"
+        kwargs["port"] = Port.FTP
+        kwargs["protocol"] = IPProtocol.TCP
+        super().__init__(**kwargs)
+        self.start()
+
+    def _get_session_details(self, session_id: str) -> Session:
+        """
+        Returns the Session object from the given session id.
+
+        :param: session_id: ID of the session that needs details retrieved
+        """
+        return self.software_manager.session_manager.sessions_by_uuid[session_id]
+
+    def _process_ftp_command(self, payload: FTPPacket, session_id: Optional[str] = None, **kwargs) -> FTPPacket:
+        """
+        Process the command in the FTP Packet.
+
+        :param: payload: The FTP Packet to process
+        :type: payload: FTPPacket
+        :param: session_id: session ID linked to the FTP Packet. Optional.
+        :type: session_id: Optional[str]
+        """
+        # if server service is down, return error
+        if self.operating_state != ServiceOperatingState.RUNNING:
+            payload.status_code = FTPStatusCode.ERROR
+            return payload
+
+        if session_id:
+            session_details = self._get_session_details(session_id)
+
+        if payload.ftp_command is not None:
+            self.sys_log.info(f"Received FTP {payload.ftp_command.name} command.")
+
+        # process server specific commands, otherwise call super
+        if payload.ftp_command == FTPCommand.PORT:
+            # check that the port is valid
+            if isinstance(payload.ftp_command_args, Port) and payload.ftp_command_args.value in range(0, 65535):
+                # return successful connection
+                self.connections[session_id] = session_details.with_ip_address
+                payload.status_code = FTPStatusCode.OK
+                return payload
+
+        if payload.ftp_command == FTPCommand.QUIT:
+            self.connections.pop(session_id)
+            payload.status_code = FTPStatusCode.OK
+
+        return super()._process_ftp_command(payload=payload, session_id=session_id, **kwargs)
+
+    def receive(self, payload: Any, session_id: Optional[str] = None, **kwargs) -> bool:
+        """Receives a payload from the SessionManager."""
+        if not isinstance(payload, FTPPacket):
+            self.sys_log.error(f"{payload} is not an FTP packet")
+            return False
+
+        self.send(self._process_ftp_command(payload=payload, session_id=session_id), session_id)
+        return True

src/primaite/simulator/system/services/ftp/ftp_service.py

@@ -0,0 +1,155 @@
+import shutil
+from abc import ABC
+from ipaddress import IPv4Address
+from typing import Optional
+
+from primaite.simulator.file_system.file_system import File
+from primaite.simulator.network.protocols.ftp import FTPCommand, FTPPacket, FTPStatusCode
+from primaite.simulator.network.transmission.transport_layer import Port
+from primaite.simulator.system.core.software_manager import SoftwareManager
+from primaite.simulator.system.services.service import Service
+
+
+class FTPServiceABC(Service, ABC):
+    """
+    Abstract Base Class for FTP Client and Service.
+
+    Contains shared methods between both classes.
+    """
+
+    def _process_ftp_command(self, payload: FTPPacket, session_id: Optional[str] = None, **kwargs) -> FTPPacket:
+        """
+        Process the command in the FTP Packet.
+
+        :param: payload: The FTP Packet to process
+        :type: payload: FTPPacket
+        :param: session_id: session ID linked to the FTP Packet. Optional.
+        :type: session_id: Optional[str]
+        """
+        if payload.ftp_command is not None:
+            self.sys_log.info(f"Received FTP {payload.ftp_command.name} command.")
+
+        # handle STOR request
+        if payload.ftp_command == FTPCommand.STOR:
+            # check that the file is created in the computed hosting the FTP server
+            if self._store_data(payload=payload):
+                payload.status_code = FTPStatusCode.OK
+
+        if payload.ftp_command == FTPCommand.RETR:
+            if self._retrieve_data(payload=payload, session_id=session_id):
+                payload.status_code = FTPStatusCode.OK
+
+        return payload
+
+    def _store_data(self, payload: FTPPacket) -> bool:
+        """
+        Stores the data in the FTP Service's host machine.
+
+        :param: payload: The FTP Packet that contains the file data
+        :type: FTPPacket
+        """
+        try:
+            file_name = payload.ftp_command_args["dest_file_name"]
+            folder_name = payload.ftp_command_args["dest_folder_name"]
+            file_size = payload.ftp_command_args["file_size"]
+            real_file_path = payload.ftp_command_args.get("real_file_path")
+            is_real = real_file_path is not None
+            file = self.file_system.create_file(
+                file_name=file_name, folder_name=folder_name, size=file_size, real=is_real
+            )
+            self.sys_log.info(
+                f"Created item in {self.sys_log.hostname}: {payload.ftp_command_args['dest_folder_name']}/"
+                f"{payload.ftp_command_args['dest_file_name']}"
+            )
+            if is_real:
+                shutil.copy(real_file_path, file.sim_path)
+            # file should exist
+            return self.file_system.get_file(file_name=file_name, folder_name=folder_name) is not None
+        except Exception as e:
+            self.sys_log.error(f"Unable to create file in {self.sys_log.hostname}: {e}")
+            return False
+
+    def _send_data(
+        self,
+        file: File,
+        dest_folder_name: str,
+        dest_file_name: str,
+        dest_ip_address: Optional[IPv4Address] = None,
+        dest_port: Optional[Port] = None,
+        session_id: Optional[str] = None,
+    ) -> bool:
+        """
+        Sends data from the host FTP Service's machine to another FTP Service's host machine.
+
+        :param: file: File to send to the target FTP Service.
+        :type: file: File
+
+        :param: dest_folder_name: The name of the folder where the file will be stored in the FTP Server.
+        :type: dest_folder_name: str
+
+        :param: dest_file_name: The name of the file to be saved on the FTP Server.
+        :type: dest_file_name: str
+
+        :param: dest_ip_address: The IP address of the machine that hosts the FTP Server.
+        :type: dest_ip_address: Optional[IPv4Address]
+
+        :param: dest_port: The open port of the machine that hosts the FTP Server. Default is Port.FTP.
+        :type: dest_port: Optional[Port]
+
+        :param: session_id: session ID linked to the FTP Packet. Optional.
+        :type: session_id: Optional[str]
+        """
+        # send STOR request
+        payload: FTPPacket = FTPPacket(
+            ftp_command=FTPCommand.STOR,
+            ftp_command_args={
+                "dest_folder_name": dest_folder_name,
+                "dest_file_name": dest_file_name,
+                "file_size": file.sim_size,
+                "real_file_path": file.sim_path if file.real else None,
+            },
+            packet_payload_size=file.sim_size,
+        )
+        software_manager: SoftwareManager = self.software_manager
+        software_manager.send_payload_to_session_manager(
+            payload=payload, dest_ip_address=dest_ip_address, dest_port=dest_port, session_id=session_id
+        )
+
+        if payload.status_code == FTPStatusCode.OK:
+            return True
+
+        return False
+
+    def _retrieve_data(self, payload: FTPPacket, session_id: Optional[str] = None) -> bool:
+        """
+        Handle the transfer of data from Server to Client.
+
+        :param: payload: The FTP Packet that contains the file data
+        :type: FTPPacket
+        """
+        try:
+            # find the file
+            file_name = payload.ftp_command_args["src_file_name"]
+            folder_name = payload.ftp_command_args["src_folder_name"]
+            dest_folder_name = payload.ftp_command_args["dest_folder_name"]
+            dest_file_name = payload.ftp_command_args["dest_file_name"]
+            retrieved_file: File = self.file_system.get_file(folder_name=folder_name, file_name=file_name)
+
+            # if file does not exist, return an error
+            if not retrieved_file:
+                self.sys_log.error(
+                    f"File  {payload.ftp_command_args['dest_folder_name']}/"
+                    f"{payload.ftp_command_args['dest_file_name']} does not exist in {self.sys_log.hostname}"
+                )
+                return False
+            else:
+                # send requested data
+                return self._send_data(
+                    file=retrieved_file,
+                    dest_file_name=dest_file_name,
+                    dest_folder_name=dest_folder_name,
+                    session_id=session_id,
+                )
+        except Exception as e:
+            self.sys_log.error(f"Unable to retrieve file from {self.sys_log.hostname}: {e}")
+            return False

src/primaite/simulator/system/services/service.py

@@ -2,7 +2,7 @@ from enum import Enum
 from typing import Any, Dict, Optional
 
 from primaite import getLogger
-from primaite.simulator.core import Action, ActionManager
+from primaite.simulator.core import RequestManager, RequestType
 from primaite.simulator.system.software import IOSoftware
 
 _LOGGER = getLogger(__name__)
@@ -39,15 +39,15 @@ class Service(IOSoftware):
     _restart_countdown: Optional[int] = None
     "If currently restarting, how many timesteps remain until the restart is finished."
 
-    def _init_action_manager(self) -> ActionManager:
-        am = super()._init_action_manager()
-        am.add_action("stop", Action(func=lambda request, context: self.stop()))
-        am.add_action("start", Action(func=lambda request, context: self.start()))
-        am.add_action("pause", Action(func=lambda request, context: self.pause()))
-        am.add_action("resume", Action(func=lambda request, context: self.resume()))
-        am.add_action("restart", Action(func=lambda request, context: self.restart()))
-        am.add_action("disable", Action(func=lambda request, context: self.disable()))
-        am.add_action("enable", Action(func=lambda request, context: self.enable()))
+    def _init_request_manager(self) -> RequestManager:
+        am = super()._init_request_manager()
+        am.add_request("stop", RequestType(func=lambda request, context: self.stop()))
+        am.add_request("start", RequestType(func=lambda request, context: self.start()))
+        am.add_request("pause", RequestType(func=lambda request, context: self.pause()))
+        am.add_request("resume", RequestType(func=lambda request, context: self.resume()))
+        am.add_request("restart", RequestType(func=lambda request, context: self.restart()))
+        am.add_request("disable", RequestType(func=lambda request, context: self.disable()))
+        am.add_request("enable", RequestType(func=lambda request, context: self.enable()))
         return am
 
     def describe_state(self) -> Dict: