Fix/tcp osl server processing started

src/ansys/optislang/core/optislang.py

@@ -52,6 +52,9 @@ class Optislang:
         - WARNING: Log some oddities or potential problems.
         - INFO: Log some useful information that program works as expected.
         - DEBUG: The most grained logging.
+    shutdown_on_finished: bool, optional
+        Shut down when execution is finished and there are not any listeners registered.
+        It is ignored when the host and port parameters are specified. Defaults to ``True``.
 
     Raises
     ------
@@ -81,6 +84,7 @@ def __init__(
         name: str = None,
         password: str = None,
         loglevel: str = None,
+        shutdown_on_finished: bool = True,
     ) -> None:
         """Initialize a new instance of the ``Optislang`` class."""
         self.__host = host
@@ -91,8 +95,8 @@ def __init__(
         self.__ini_timeout = ini_timeout
         self.__name = name
         self.__password = password
-
-        self.log = LOG.add_instance_logger(self.name, self, loglevel)
+        self.__shutdown_on_finished = shutdown_on_finished
+        self.__logger = LOG.add_instance_logger(self.name, self, loglevel)
         self.__osl_server: OslServer = self.__init_osl_server("tcp")
 
     def __init_osl_server(self, server_type: str) -> OslServer:
@@ -125,6 +129,7 @@ def __init_osl_server(self, server_type: str) -> OslServer:
                 ini_timeout=self.__ini_timeout,
                 password=self.__password,
                 logger=self.log,
+                shutdown_on_finished=self.__shutdown_on_finished,
             )
         else:
             raise NotImplementedError(f'OptiSLang server of type "{server_type}" is not supported.')
@@ -147,6 +152,11 @@ def name(self) -> str:
                 self.__name = f"optiSLang_{id(self)}"
         return self.__name
 
+    @property
+    def log(self):
+        """Return instance logger."""
+        return self.__logger
+
     def get_osl_version(self) -> str:
         """Get version of used optiSLang.
 

src/ansys/optislang/core/osl_process.py

@@ -25,16 +25,17 @@ class ServerNotification(Enum):
     LOG_ERROR = 4
     LOG_DEBUG = 5
     EXECUTION_STARTED = 6
-    EXECUTION_FINISHED = 7
-    NOTHING_PROCESSED = 8
-    CHECK_FAILED = 9
-    EXEC_FAILED = 10
-    ACTOR_STATE_CHANGED = 11
-    ACTOR_ACTIVE_CHANGED = 12
-    ACTOR_NAME_CHANGED = 13
-    ACTOR_CONTENTS_CHANGED = 14
-    ACTOR_DATA_CHANGED = 15
-    NUM_NOTIFICATIONS = 16
+    PROCESSING_STARTED = 7
+    EXECUTION_FINISHED = 8
+    NOTHING_PROCESSED = 9
+    CHECK_FAILED = 10
+    EXEC_FAILED = 11
+    ACTOR_STATE_CHANGED = 12
+    ACTOR_ACTIVE_CHANGED = 13
+    ACTOR_NAME_CHANGED = 14
+    ACTOR_CONTENTS_CHANGED = 15
+    ACTOR_DATA_CHANGED = 16
+    ALL = 17
 
 
 class OslServerProcess:
@@ -469,11 +470,9 @@ def _get_process_args(self) -> List[str]:
 
         if self.__notifications is not None:
             # Subscribe to push notifications sent to the listener.
-            cmd_arg = ""
+            args.append("--enable-notifications")
             for notification in self.__notifications:
-                cmd_arg += notification.name
-                cmd_arg += " "
-            args.append(f"--enable-notifications={cmd_arg.strip()}")
+                args.append(notification.name)
 
         if self.__additional_args is not None:
             for arg_name, arg_value in self.__additional_args.items():
@@ -618,21 +617,16 @@ def __terminate_osl_child_processes(self):
                 process.terminate()
             except psutil.NoSuchProcess:
                 self._logger.debug(
-                    "Cannot terminate child process PID: %s. " "The process does not exist.",
-                    process.pid,
+                    f"Cannot terminate child process PID: {process.pid}. "
+                    "The process does not exist."
                 )
 
         gone, alive = psutil.wait_procs(children, timeout=3)
-        for process in gone:
-            self._logger.debug(
-                "optiSLang server child process %s terminated with exit code %s.",
-                process,
-                process.returncode,
-            )
+
         for process in alive:
             self._logger.debug(
-                "optiSLang server child process %s could not be terminated and will be killed.",
-                process,
+                f"optiSLang server child process {process} could not be terminated "
+                "and will be killed.",
             )
             process.kill()
 

src/ansys/optislang/core/server_commands.py

@@ -1,6 +1,6 @@
 """Module for generation of all server commands."""
 import json
-from typing import Dict, Sequence, Union
+from typing import Dict, Iterable, Sequence, Union
 
 _APPLY_WIZARD = "APPLY_WIZARD"
 _CLOSE = "CLOSE"
@@ -599,7 +599,7 @@ def register_listener(
     host: str = None,
     port: int = None,
     timeout: int = None,
-    notifications: Sequence = None,
+    notifications: Iterable[str] = None,
     password: str = None,
 ) -> str:
     """Generate JSON string of register_listener command.
@@ -1348,8 +1348,8 @@ def subscribe_for_push_notifications(
         Either ["ALL"] or Sequence picked from below options:
             Server: [ "SERVER_UP", "SERVER_DOWN" ] (always be sent by default).
             Logging: [ "LOG_INFO", "LOG_WARNING", "LOG_ERROR", "LOG_DEBUG" ].
-            Project: [ "EXECUTION_STARTED", "EXECUTION_FINISHED", "NOTHING_PROCESSED",
-                "CHECK_FAILED", "EXEC_FAILED" ].
+            Project: [ "EXECUTION_STARTED", "PROCESSING_STARTED", "EXECUTION_FINISHED",
+                "NOTHING_PROCESSED", "CHECK_FAILED", "EXEC_FAILED" ].
             Nodes: [ "ACTOR_STATE_CHANGED", "ACTOR_ACTIVE_CHANGED", "ACTOR_NAME_CHANGED",
                 "ACTOR_CONTENTS_CHANGED", "ACTOR_DATA_CHANGED" ].
     node_types: Sequence, opt
@@ -1366,6 +1366,7 @@ def subscribe_for_push_notifications(
     logging = ["LOG_INFO", "LOG_WARNING", "LOG_ERROR", "LOG_DEBUG"]
     project = [
         "EXECUTION_STARTED",
+        "PROCESSING_STARTED",
         "EXECUTION_FINISHED",
         "NOTHING_PROCESSED",
         "CHECK_FAILED",
@@ -1391,10 +1392,10 @@ def subscribe_for_push_notifications(
             raise TypeError(
                 f"Unsuppored values of ``notifications``: {invalid_items}, "
                 "supported options are: \n"
-                "server: {server},\n"
-                "logging: {logging},\n"
-                "project: {project},\n"
-                "nodes: {nodes}"
+                f"server: {server},\n"
+                f"logging: {logging},\n"
+                f"project: {project},\n"
+                f"nodes: {nodes}"
             )
         args["notifications"] = notifications