Updated tests and added core live value handling

Removed useless tests, will need to complete a more comprehensive test
suite however this is not the priority right now

Added a live value dict in the core whose values are populated by the
core's input thread

src/dynalab_core/__init__.py

@@ -5,9 +5,10 @@
 import logging
 from queue import Empty, Queue
 import threading
-from threading import Thread
+from threading import Lock, Thread
 from time import monotonic, monotonic_ns, sleep
 from typing import Literal
+from uuid import UUID
 
 
 from dynalab_core.config import CoreConfig
@@ -18,6 +19,7 @@ from dynalab_core.protocols.common import VersionDescriptor
 from dynalab_core.protocols.json.server import JsonServer
 from dynalab_core.protocols.packets import ProtocolMessage
 from dynalab_core.protocols.packets.data import ValueDescriptor
+from dynalab_core.values import Value
 
 
 log = logging.getLogger(__name__)
@@ -32,6 +34,9 @@ class Core:
         self._core_version: VersionDescriptor = CORE_VERSION
         self._stop_event: threading.Event = threading.Event()
         self._core_config: CoreConfig = config
+        # TODO: Implement live values dict
+        self._live_values: dict[UUID, Value] = {}
+        self._live_values_lock = Lock()
 
         self._data_input_queue: Queue[ProtocolMessage] = Queue(524288)
         self._input_worker_thread = Thread(
@@ -98,21 +103,19 @@ class Core:
         )
 
     def _input_worker(self) -> None:
-        last_log = 0
         while not self._stop_event.is_set():
-            now = monotonic_ns()
-            messages: list[ProtocolMessage] = []
             try:
-                while not self._data_input_queue.empty():
+                message = self._data_input_queue.get_nowait()
-                    messages.append(self._data_input_queue.get_nowait())
             except Empty:
                 self._stop_event.wait(0.01)
                 continue
-            else:
-                for message in messages:
-                    if isinstance(message, ValueDescriptor):
-                        pass
 
-            if now > last_log + 2000 * 1_000_000:
+            if isinstance(message, ValueDescriptor):
-                log.debug(f"Core queue size: {self._data_input_queue.qsize()}")
+                with self._live_values_lock:
-                last_log = now
+                    live_value = self._live_values.get(message.signal_id)
+
+                    if live_value is None:
+                        live_value = Value()
+                        self._live_values[message.signal_id] = live_value
+
+                live_value.update(message.value)

src/dynalab_core/protocols/endpoint.py

@@ -6,7 +6,7 @@ import logging
 from queue import Empty, Full, Queue
 import threading
 from threading import RLock, Thread
-from time import monotonic, sleep
+from time import monotonic, monotonic_ns, sleep
 from uuid import UUID
 
 from dynalab_core.constants import HELLO_PACKET
@@ -15,7 +15,7 @@ from dynalab_core.protocols.errors import (
     ConnectorRegistryAlreadyRegisteredError,
 )
 from dynalab_core.protocols.packets import ProtocolMessage
-from dynalab_core.protocols.packets.data import ValueDescriptor
+from dynalab_core.protocols.packets.data import ValueBatch, ValueDescriptor
 from dynalab_core.protocols.packets.handshake import (
     ConnectorHello,
     HandshakeAccepted,
@@ -208,13 +208,17 @@ class ConnectorEndpoint:
                 "thread_name": self._input_worker_thread.name,
             },
         )
+        last_log = 0
         while not self._stop_event.is_set():
+            now = monotonic_ns()
+            messages: list[ProtocolMessage] = []
             try:
-                message = self._get_ingress_packet_no_wait()
+                while not self._packet_ingress_queue.empty():
+                    messages.append(self._get_ingress_packet_no_wait())
             except Empty:
-                self._stop_event.wait(0.01)
                 continue
             else:
+                for message in messages:
                     if isinstance(message, Heartbeat):
                         self._heartbeat_ingress_queue.put_nowait(message)
                     elif isinstance(message, ValueDescriptor):
@@ -222,6 +226,16 @@ class ConnectorEndpoint:
                             signal.id for signal in self._connector_hello.signals
                         ):
                             self._core_input_queue.put_nowait(message)
+                    elif isinstance(message, ValueBatch):
+                        for value in message.values:
+                            if value.signal_id in (
+                                signal.id for signal in self._connector_hello.signals
+                            ):
+                                self._core_input_queue.put_nowait(value)
+
+            if now > last_log + 2000 * 1_000_000:
+                log.debug(f"Endpoint queue size: {self._packet_ingress_queue.qsize()}")
+                last_log = now
         self._input_worker_stopped_event.set()
         log.debug(
             "Connector endpoint input worker %s stopped",

src/dynalab_core/protocols/json/server.py

@@ -6,9 +6,10 @@ import asyncio
 from asyncio import Server
 import logging
 from queue import Empty
+from statistics import mean
 import threading
 from threading import Thread
-from time import monotonic
+from time import monotonic, monotonic_ns
 from uuid import uuid4
 
 
@@ -163,9 +164,19 @@ class JsonServer:
         endpoint: ConnectorEndpoint,
     ) -> None:
         log.debug(f"Started input task for {endpoint.uuid()}")
+        intervals: list[int] = []
+        last_val: int = 0
+        last_print: int = 0
         while not self._stop_event.is_set():
             message = await read_message(reader)
             endpoint.put_ingress_packet(message)
+            now = monotonic_ns()
+            intervals.append(now - last_val)
+            last_val = now
+            if now > last_print + 2000 * 1_000_000:
+                log.debug(f"Server input frequency: {1_000_000 / mean(intervals)}kHz")
+                last_print = now
+                intervals = []
 
     async def _output_task(
         self,

src/dynalab_core/protocols/packets/__init__.py

@@ -6,7 +6,7 @@ from typing import Annotated
 
 from pydantic import Field
 
-from dynalab_core.protocols.packets.data import ValueDescriptor
+from dynalab_core.protocols.packets.data import ValueBatch, ValueDescriptor
 from dynalab_core.protocols.packets.handshake import (
     ConnectorHello,
     DynaLabHello,
@@ -22,6 +22,7 @@ ProtocolMessage = Annotated[
     | HandshakeAccepted
     | HandshakeRejected
     | Heartbeat
-    | ValueDescriptor,
+    | ValueDescriptor
+    | ValueBatch,
     Field(discriminator="type"),
 ]

src/dynalab_core/protocols/packets/data.py

@@ -11,3 +11,8 @@ class ValueDescriptor(BaseModel):
     type: Literal["value_descriptor"] = "value_descriptor"
     signal_id: UUID
     value: float
+
+
+class ValueBatch(BaseModel):
+    type: Literal["value_batch"] = "value_batch"
+    values: list[ValueDescriptor]

src/dynalab_core/values.py

@@ -0,0 +1,20 @@
+# Copyright (C) 2026 Hector van der Aa <hector@h3cx.dev>
+# Copyright (C) 2026 Association Exergie <association.exergie@gmail.com>
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+
+from threading import Lock
+
+
+class Value:
+    _value: float = 0
+    _last_updated: int = 0
+    _lock: Lock = Lock()
+
+    def update(self, value: float) -> None:
+        with self._lock:
+            self._value = value
+
+    def get(self) -> float:
+        with self._lock:
+            return self._value

test/manual/peer.py

@@ -12,7 +12,7 @@ from rich.logging import RichHandler
 from dynalab_core.protocols.common import VersionDescriptor
 from dynalab_core.protocols.constants import PROTOCOL_VERSION
 from dynalab_core.protocols.json.wire import read_message, write_message
-from dynalab_core.protocols.packets.data import ValueDescriptor
+from dynalab_core.protocols.packets.data import ValueBatch, ValueDescriptor
 from dynalab_core.protocols.packets.handshake import (
     ConnectorHello,
     DynaLabHello,
@@ -26,9 +26,9 @@ PORT = 8765
 
 # Set to None to send as quickly as possible.
 # For a controlled rate, use something like 5_000.0.
-TARGET_FREQUENCY_HZ: float | None = None
+TARGET_FREQUENCY_HZ: float | None = 1000
 
-FREQUENCY_SAMPLE_SIZE = 500
+FREQUENCY_SAMPLE_SIZE = 20000
 
 CONNECTOR_VERSION = VersionDescriptor(
     type="alpha",
@@ -116,11 +116,26 @@ def value_sender_thread(
 
                 next_send_time += period
 
-            message = ValueDescriptor(
+            value = ValueDescriptor(
                 signal_id=signal_id,
                 value=2.0,
             )
 
+            message = ValueBatch(
+                values=[
+                    value,
+                    value,
+                    value,
+                    value,
+                    value,
+                    value,
+                    value,
+                    value,
+                    value,
+                    value,
+                ]
+            )
+
             future = asyncio.run_coroutine_threadsafe(
                 send_message(
                     writer,

test/test_endpoint_logging.py

@@ -1,41 +0,0 @@
-import logging
-from queue import Queue
-from uuid import uuid4
-
-import pytest
-
-from dynalab_core.protocols.constants import PROTOCOL_VERSION
-from dynalab_core.protocols.endpoint import ConnectorEndpoint
-from dynalab_core.protocols.errors import ConnectorEndpointQueueFullError
-from dynalab_core.protocols.packets import ProtocolMessage
-from dynalab_core.protocols.packets.handshake import ConnectorHello
-
-
-def test_full_endpoint_queue_is_logged(caplog: pytest.LogCaptureFixture) -> None:
-    hello = ConnectorHello(
-        connector_uuid=uuid4(),
-        protocol_version=PROTOCOL_VERSION,
-        connector_name="Test connector",
-        connector_version="0.1.0-test",
-    )
-    endpoint = ConnectorEndpoint(hello)
-    endpoint._packet_ingress_queue = Queue[ProtocolMessage](maxsize=1)
-
-    with caplog.at_level(logging.DEBUG, logger="dynalab_core"):
-        try:
-            endpoint.put_ingress_packet(hello)
-            with pytest.raises(ConnectorEndpointQueueFullError):
-                endpoint.put_ingress_packet(hello)
-        finally:
-            endpoint.stop()
-
-    queue_record = next(
-        record
-        for record in caplog.records
-        if getattr(record, "event", None) == "endpoint.queue_full"
-    )
-    assert queue_record.levelno == logging.WARNING
-    assert queue_record.connector_uuid == str(hello.connector_uuid)
-    assert queue_record.queue_direction == "ingress"
-    assert queue_record.queue_size == 1
-    assert queue_record.queue_capacity == 1

test/test_json_server.py

@@ -11,7 +11,7 @@ from dynalab_core.protocols.json.errors import (
     JsonServerStartupError,
     JsonServerTimeoutError,
 )
-from dynalab_core.protocols.packets.handshake import ConnectorHello
+from dynalab_core.protocols.packets.handshake import ConnectorHello, SignalDescriptor
 from test.common import find_available_port
 
 
@@ -93,9 +93,7 @@ def test_json_server_logs_invalid_handshake(
                 assert server_hello
                 peer.sendall(b"not-json\n")
 
-                rejection = _wait_for_event(
+                rejection = _wait_for_event(caplog, "connector.handshake_rejected")
-                    caplog, "connector.handshake_rejected"
-                )
         finally:
             core.stop()
 
@@ -116,6 +114,7 @@ def test_json_server_waits_for_connection_handlers_on_stop(
         protocol_version=PROTOCOL_VERSION,
         connector_name="Test connector",
         connector_version="0.1.0-test",
+        signals=[SignalDescriptor(id=uuid4(), name="Dummy signal", type="number")],
     )
 
     with caplog.at_level(logging.DEBUG, logger="dynalab_core"):
@@ -124,9 +123,7 @@ def test_json_server_waits_for_connection_handlers_on_stop(
             with socket.create_connection(("127.0.0.1", port), timeout=1) as peer:
                 peer_file = peer.makefile("rb")
                 assert peer_file.readline()
-                peer.sendall(
+                peer.sendall(connector_hello.model_dump_json().encode("utf-8") + b"\n")
-                    connector_hello.model_dump_json().encode("utf-8") + b"\n"
-                )
                 assert b'"type":"handshake_accepted"' in peer_file.readline()
 
                 core.stop()