Added webchat command

This patch adds the new aprsd webchat command which shows
a new webpage that allows you to aprsd chat with multiple
callsigns

aprsd/aprsd.py

@@ -68,7 +68,7 @@ def main():
     # The commands themselves live in the cmds directory
     from .cmds import (  # noqa
         completion, dev, healthcheck, list_plugins, listen, send_message,
-        server,
+        server, webchat,
     )
     cli()
 

aprsd/cli_helper.py

@@ -5,6 +5,7 @@ import click
 
 from aprsd import config as aprsd_config
 from aprsd.logging import log
+from aprsd.utils import trace
 
 
 F = t.TypeVar("F", bound=t.Callable[..., t.Any])
@@ -59,6 +60,8 @@ def process_standard_options(f: F) -> F:
             ctx.obj["loglevel"],
             ctx.obj["quiet"],
         )
+        if ctx.obj["config"]["aprsd"].get("trace", False):
+            trace.setup_tracing(["method", "api"])
 
         del kwargs["loglevel"]
         del kwargs["config_file"]

aprsd/client.py

@@ -52,7 +52,8 @@ class Client:
 
     def reset(self):
         """Call this to force a rebuild/reconnect."""
-        del self._client
+        if self._client:
+            del self._client
 
     @abc.abstractmethod
     def setup_connection(self):
@@ -130,6 +131,7 @@ class APRSISClient(Client):
                 backoff = backoff * 2
                 continue
         LOG.debug(f"Logging in to APRS-IS with user '{user}'")
+        self._client = aprs_client
         return aprs_client
 
 

aprsd/clients/aprsis.py

@@ -1,5 +1,7 @@
 import logging
 import select
+import socket
+import threading
 
 import aprslib
 from aprslib import is_py3
@@ -7,6 +9,7 @@ from aprslib.exceptions import (
     ConnectionDrop, ConnectionError, GenericError, LoginError, ParseError,
     UnknownFormat,
 )
+import wrapt
 
 import aprsd
 from aprsd import stats
@@ -23,11 +26,30 @@ class Aprsdis(aprslib.IS):
 
     # timeout in seconds
     select_timeout = 1
+    lock = threading.Lock()
 
     def stop(self):
         self.thread_stop = True
         LOG.info("Shutdown Aprsdis client.")
 
+    def is_socket_closed(self, sock: socket.socket) -> bool:
+        try:
+            # this will try to read bytes without blocking and also without removing them from buffer (peek only)
+            data = sock.recv(16, socket.MSG_DONTWAIT | socket.MSG_PEEK)
+            if len(data) == 0:
+                return True
+        except BlockingIOError:
+            return False  # socket is open and reading from it would block
+        except ConnectionResetError:
+            return True  # socket was closed for some other reason
+        except Exception:
+            self.logger.exception(
+                "unexpected exception when checking if a socket is closed",
+            )
+            return False
+        return False
+
+    @wrapt.synchronized(lock)
     def send(self, msg):
         """Send an APRS Message object."""
         line = str(msg)

aprsd/cmds/listen.py

@@ -139,19 +139,24 @@ def listen(
 
     # Creates the client object
     LOG.info("Creating client connection")
-    client.factory.create().client
-    aprs_client = client.factory.create().client
+    aprs_client = client.factory.create()
+    console.log(aprs_client)
 
     LOG.debug(f"Filter by '{filter}'")
-    aprs_client.set_filter(filter)
+    aprs_client.client.set_filter(filter)
+
+    packets.PacketList(config=config)
+
+    keepalive = threads.KeepAliveThread(config=config)
+    keepalive.start()
 
     while True:
         try:
             # This will register a packet consumer with aprslib
             # When new packets come in the consumer will process
             # the packet
-            with console.status("Listening for packets"):
-                aprs_client.consumer(rx_packet, raw=False)
+            # with console.status("Listening for packets"):
+            aprs_client.client.consumer(rx_packet, raw=False)
         except aprslib.exceptions.ConnectionDrop:
             LOG.error("Connection dropped, reconnecting")
             time.sleep(5)

aprsd/cmds/server.py

@@ -11,7 +11,6 @@ from aprsd import (
 )
 from aprsd import aprsd as aprsd_main
 from aprsd.aprsd import cli
-from aprsd.utils import trace
 
 
 LOG = logging.getLogger("APRSD")
@@ -59,8 +58,6 @@ def server(ctx, flush):
         else:
             LOG.info(f"{x} = {flat_config[x]}")
 
-    if config["aprsd"].get("trace", False):
-        trace.setup_tracing(["method", "api"])
     stats.APRSDStats(config)
 
     # Initialize the client factory and create
@@ -98,7 +95,7 @@ def server(ctx, flush):
     plugin_manager = plugin.PluginManager(config)
     plugin_manager.setup_plugins()
 
-    rx_thread = threads.APRSDRXThread(
+    rx_thread = threads.APRSDPluginRXThread(
         msg_queues=threads.msg_queues,
         config=config,
     )

aprsd/cmds/webchat.py

@@ -0,0 +1,592 @@
+import datetime
+import json
+import logging
+from logging.handlers import RotatingFileHandler
+import queue
+import signal
+import sys
+import threading
+import time
+
+import aprslib
+import click
+import flask
+from flask import request
+from flask.logging import default_handler
+import flask_classful
+from flask_httpauth import HTTPBasicAuth
+from flask_socketio import Namespace, SocketIO
+from werkzeug.security import check_password_hash, generate_password_hash
+import wrapt
+
+import aprsd
+from aprsd import aprsd as aprsd_main
+from aprsd import cli_helper, client
+from aprsd import config as aprsd_config
+from aprsd import messaging, packets, stats, threads, utils
+from aprsd.aprsd import cli
+from aprsd.logging import rich as aprsd_logging
+from aprsd.threads import aprsd as aprsd_thread
+from aprsd.threads import rx
+from aprsd.utils import objectstore, trace
+
+
+LOG = logging.getLogger("APRSD")
+auth = HTTPBasicAuth()
+users = None
+rx_msg_queue = queue.Queue(maxsize=20)
+tx_msg_queue = queue.Queue(maxsize=20)
+control_queue = queue.Queue(maxsize=20)
+msg_queues = {
+    "rx": rx_msg_queue,
+    "control": control_queue,
+    "tx": tx_msg_queue,
+}
+
+
+class SentMessages(objectstore.ObjectStoreMixin):
+    _instance = None
+    lock = threading.Lock()
+
+    data = {}
+
+    def __new__(cls, *args, **kwargs):
+        """This magic turns this into a singleton."""
+        if cls._instance is None:
+            cls._instance = super().__new__(cls)
+        return cls._instance
+
+    @wrapt.synchronized(lock)
+    def add(self, msg):
+        self.data[msg.id] = self.create(msg.id)
+        self.data[msg.id]["from"] = msg.fromcall
+        self.data[msg.id]["to"] = msg.tocall
+        self.data[msg.id]["message"] = msg.message.rstrip("\n")
+        self.data[msg.id]["raw"] = str(msg).rstrip("\n")
+
+    def create(self, id):
+        return {
+            "id": id,
+            "ts": time.time(),
+            "ack": False,
+            "from": None,
+            "to": None,
+            "raw": None,
+            "message": None,
+            "status": None,
+            "last_update": None,
+            "reply": None,
+        }
+
+    @wrapt.synchronized(lock)
+    def __len__(self):
+        return len(self.data.keys())
+
+    @wrapt.synchronized(lock)
+    def get(self, id):
+        if id in self.data:
+            return self.data[id]
+
+    @wrapt.synchronized(lock)
+    def get_all(self):
+        return self.data
+
+    @wrapt.synchronized(lock)
+    def set_status(self, id, status):
+        self.data[id]["last_update"] = str(datetime.datetime.now())
+        self.data[id]["status"] = status
+
+    @wrapt.synchronized(lock)
+    def ack(self, id):
+        """The message got an ack!"""
+        self.data[id]["last_update"] = str(datetime.datetime.now())
+        self.data[id]["ack"] = True
+
+    @wrapt.synchronized(lock)
+    def reply(self, id, packet):
+        """We got a packet back from the sent message."""
+        self.data[id]["reply"] = packet
+
+
+# HTTPBasicAuth doesn't work on a class method.
+# This has to be out here.  Rely on the APRSDFlask
+# class to initialize the users from the config
+@auth.verify_password
+def verify_password(username, password):
+    global users
+
+    if username in users and check_password_hash(users.get(username), password):
+        return username
+
+
+class WebChatRXThread(rx.APRSDRXThread):
+    """Class that connects to aprsis and waits for messages."""
+
+    def connected(self, connected=True):
+        self.connected = connected
+
+    def loop(self):
+
+        # setup the consumer of messages and block until a messages
+        msg = None
+        try:
+            msg = self.msg_queues["tx"].get_nowait()
+        except queue.Empty:
+            pass
+
+        try:
+            if msg:
+                LOG.debug("GOT msg from TX queue!!")
+                msg.send()
+        except (
+            aprslib.exceptions.ConnectionDrop,
+            aprslib.exceptions.ConnectionError,
+        ):
+            LOG.error("Connection dropped, reconnecting")
+            # Put it back on the queue to send.
+            self.msg_queues["tx"].put(msg)
+            # Force the deletion of the client object connected to aprs
+            # This will cause a reconnect, next time client.get_client()
+            # is called
+            self._client.reset()
+            time.sleep(2)
+
+        try:
+            # This will register a packet consumer with aprslib
+            # When new packets come in the consumer will process
+            # the packet
+
+            # Do a partial here because the consumer signature doesn't allow
+            # For kwargs to be passed in to the consumer func we declare
+            # and the aprslib developer didn't want to allow a PR to add
+            # kwargs.  :(
+            # https://github.com/rossengeorgiev/aprs-python/pull/56
+            self._client.client.consumer(
+                self.process_packet, raw=False, blocking=False,
+            )
+
+        except (
+            aprslib.exceptions.ConnectionDrop,
+            aprslib.exceptions.ConnectionError,
+        ):
+            LOG.error("Connection dropped, reconnecting")
+            time.sleep(5)
+            # Force the deletion of the client object connected to aprs
+            # This will cause a reconnect, next time client.get_client()
+            # is called
+            self._client.reset()
+        # Continue to loop
+        time.sleep(1)
+        return True
+
+    def process_packet(self, *args, **kwargs):
+        packet = self._client.decode_packet(*args, **kwargs)
+        LOG.debug(f"GOT Packet {packet}")
+        self.msg_queues["rx"].put(packet)
+
+
+class WebChatTXThread(aprsd_thread.APRSDThread):
+    """Class that """
+    def __init__(self, msg_queues, config, socketio):
+        super().__init__("_TXThread_")
+        self.msg_queues = msg_queues
+        self.config = config
+        self.socketio = socketio
+        self.connected = False
+
+    def loop(self):
+        try:
+            msg = self.msg_queues["control"].get_nowait()
+            self.connected = msg["connected"]
+        except queue.Empty:
+            pass
+        try:
+            packet = self.msg_queues["rx"].get_nowait()
+            if packet:
+                # we got a packet and we need to send it to the
+                # web socket
+                self.process_packet(packet)
+        except queue.Empty:
+            pass
+        except Exception as ex:
+            LOG.exception(ex)
+        time.sleep(1)
+
+        return True
+
+    def process_ack_packet(self, packet):
+        ack_num = packet.get("msgNo")
+        LOG.info(f"We got ack for our sent message {ack_num}")
+        messaging.log_packet(packet)
+        SentMessages().ack(int(ack_num))
+        self.socketio.emit(
+            "ack", SentMessages().get(int(ack_num)),
+            namespace="/sendmsg",
+        )
+        stats.APRSDStats().ack_rx_inc()
+        self.got_ack = True
+
+    def process_packet(self, packet):
+        tocall = packet.get("addresse", None)
+        fromcall = packet["from"]
+        msg = packet.get("message_text", None)
+        msg_id = packet.get("msgNo", "0")
+        msg_response = packet.get("response", None)
+
+        if tocall == self.config["aprs"]["login"] and msg_response == "ack":
+            self.process_ack_packet(packet)
+        elif tocall == self.config["aprs"]["login"]:
+            messaging.log_message(
+                "Received Message",
+                packet["raw"],
+                msg,
+                fromcall=fromcall,
+                msg_num=msg_id,
+            )
+            # let any threads do their thing, then ack
+            # send an ack last
+            ack = messaging.AckMessage(
+                self.config["aprs"]["login"],
+                fromcall,
+                msg_id=msg_id,
+            )
+            self.msg_queues["tx"].put(ack)
+
+            packets.PacketList().add(packet)
+            stats.APRSDStats().msgs_rx_inc()
+            message = packet.get("message_text", None)
+            msg = {
+                "id": 0,
+                "ts": time.time(),
+                "ack": False,
+                "from": fromcall,
+                "to": packet["to"],
+                "raw": packet["raw"],
+                "message": message,
+                "status": None,
+                "last_update": None,
+                "reply": None,
+            }
+            self.socketio.emit(
+                "new", msg,
+                namespace="/sendmsg",
+            )
+
+
+class WebChatFlask(flask_classful.FlaskView):
+    config = None
+
+    def set_config(self, config):
+        global users
+        self.config = config
+        self.users = {}
+        for user in self.config["aprsd"]["web"]["users"]:
+            self.users[user] = generate_password_hash(
+                self.config["aprsd"]["web"]["users"][user],
+            )
+
+        users = self.users
+
+    @auth.login_required
+    def index(self):
+        stats = self._stats()
+
+        if self.config["aprs"].get("enabled", True):
+            transport = "aprs-is"
+            aprs_connection = (
+                "APRS-IS Server: <a href='http://status.aprs2.net' >"
+                "{}</a>".format(stats["stats"]["aprs-is"]["server"])
+            )
+        else:
+            # We might be connected to a KISS socket?
+            if client.KISSClient.kiss_enabled(self.config):
+                transport = client.KISSClient.transport(self.config)
+                if transport == client.TRANSPORT_TCPKISS:
+                    aprs_connection = (
+                        "TCPKISS://{}:{}".format(
+                            self.config["kiss"]["tcp"]["host"],
+                            self.config["kiss"]["tcp"]["port"],
+                        )
+                    )
+                elif transport == client.TRANSPORT_SERIALKISS:
+                    aprs_connection = (
+                        "SerialKISS://{}@{} baud".format(
+                            self.config["kiss"]["serial"]["device"],
+                            self.config["kiss"]["serial"]["baudrate"],
+                        )
+                    )
+
+        stats["transport"] = transport
+        stats["aprs_connection"] = aprs_connection
+        LOG.debug(f"initial stats = {stats}")
+
+        return flask.render_template(
+            "index.html",
+            initial_stats=stats,
+            aprs_connection=aprs_connection,
+            callsign=self.config["aprs"]["login"],
+            version=aprsd.__version__,
+        )
+
+    @auth.login_required
+    def send_message_status(self):
+        LOG.debug(request)
+        msgs = SentMessages()
+        info = msgs.get_all()
+        return json.dumps(info)
+
+    @trace.trace
+    def _stats(self):
+        stats_obj = stats.APRSDStats()
+        now = datetime.datetime.now()
+
+        time_format = "%m-%d-%Y %H:%M:%S"
+        stats_dict = stats_obj.stats()
+        # Webchat doesnt need these
+        del stats_dict["aprsd"]["watch_list"]
+        del stats_dict["aprsd"]["seen_list"]
+        # del stats_dict["email"]
+        # del stats_dict["plugins"]
+        # del stats_dict["messages"]
+
+        result = {
+            "time": now.strftime(time_format),
+            "stats": stats_dict,
+        }
+
+        return result
+
+    def stats(self):
+        return json.dumps(self._stats())
+
+
+class SendMessageNamespace(Namespace):
+    """Class to handle the socketio interactions."""
+    _config = None
+    got_ack = False
+    reply_sent = False
+    msg = None
+    request = None
+
+    def __init__(self, namespace=None, config=None, msg_queues=None):
+        self._config = config
+        self._msg_queues = msg_queues
+        super().__init__(namespace)
+
+    def on_connect(self):
+        global socketio
+        LOG.debug("Web socket connected")
+        socketio.emit(
+            "connected", {"data": "/sendmsg Connected"},
+            namespace="/sendmsg",
+        )
+        msg = {"connected": True}
+        self._msg_queues["control"].put(msg)
+
+    def on_disconnect(self):
+        LOG.debug("WS Disconnected")
+        msg = {"connected": False}
+        self._msg_queues["control"].put(msg)
+
+    def on_send(self, data):
+        global socketio
+        LOG.debug(f"WS: on_send {data}")
+        self.request = data
+        data["from"] = self._config["aprs"]["login"]
+        msg = messaging.TextMessage(
+            data["from"],
+            data["to"],
+            data["message"],
+        )
+        self.msg = msg
+        msgs = SentMessages()
+        msgs.add(msg)
+        msgs.set_status(msg.id, "Sending")
+        socketio.emit(
+            "sent", SentMessages().get(self.msg.id),
+            namespace="/sendmsg",
+        )
+
+        self._msg_queues["tx"].put(msg)
+
+    def handle_message(self, data):
+        LOG.debug(f"WS Data {data}")
+
+    def handle_json(self, data):
+        LOG.debug(f"WS json {data}")
+
+
+def setup_logging(config, flask_app, loglevel, quiet):
+    flask_log = logging.getLogger("werkzeug")
+    flask_app.logger.removeHandler(default_handler)
+    flask_log.removeHandler(default_handler)
+
+    log_level = aprsd_config.LOG_LEVELS[loglevel]
+    flask_log.setLevel(log_level)
+    date_format = config["aprsd"].get(
+        "dateformat",
+        aprsd_config.DEFAULT_DATE_FORMAT,
+    )
+
+    if not config["aprsd"]["web"].get("logging_enabled", False):
+        # disable web logging
+        flask_log.disabled = True
+        flask_app.logger.disabled = True
+        # return
+
+    if config["aprsd"].get("rich_logging", False) and not quiet:
+        log_format = "%(message)s"
+        log_formatter = logging.Formatter(fmt=log_format, datefmt=date_format)
+        rh = aprsd_logging.APRSDRichHandler(
+            show_thread=True, thread_width=15,
+            rich_tracebacks=True, omit_repeated_times=False,
+        )
+        rh.setFormatter(log_formatter)
+        flask_log.addHandler(rh)
+
+    log_file = config["aprsd"].get("logfile", None)
+
+    if log_file:
+        log_format = config["aprsd"].get(
+            "logformat",
+            aprsd_config.DEFAULT_LOG_FORMAT,
+        )
+        log_formatter = logging.Formatter(fmt=log_format, datefmt=date_format)
+        fh = RotatingFileHandler(
+            log_file, maxBytes=(10248576 * 5),
+            backupCount=4,
+        )
+        fh.setFormatter(log_formatter)
+        flask_log.addHandler(fh)
+
+
+@trace.trace
+def init_flask(config, loglevel, quiet):
+    global socketio
+
+    flask_app = flask.Flask(
+        "aprsd",
+        static_url_path="/static",
+        static_folder="web/chat/static",
+        template_folder="web/chat/templates",
+    )
+    setup_logging(config, flask_app, loglevel, quiet)
+    server = WebChatFlask()
+    server.set_config(config)
+    flask_app.route("/", methods=["GET"])(server.index)
+    flask_app.route("/stats", methods=["GET"])(server.stats)
+    # flask_app.route("/send-message", methods=["GET"])(server.send_message)
+    flask_app.route("/send-message-status", methods=["GET"])(server.send_message_status)
+
+    socketio = SocketIO(
+        flask_app, logger=False, engineio_logger=False,
+        async_mode="threading",
+    )
+    # async_mode="gevent",
+    # async_mode="eventlet",
+    #    import eventlet
+    #    eventlet.monkey_patch()
+
+    socketio.on_namespace(
+        SendMessageNamespace(
+            "/sendmsg", config=config,
+            msg_queues=msg_queues,
+        ),
+    )
+    return socketio, flask_app
+
+
+# main() ###
+@cli.command()
+@cli_helper.add_options(cli_helper.common_options)
+@click.option(
+    "-f",
+    "--flush",
+    "flush",
+    is_flag=True,
+    show_default=True,
+    default=False,
+    help="Flush out all old aged messages on disk.",
+)
+@click.option(
+    "-p",
+    "--port",
+    "port",
+    show_default=True,
+    default=80,
+    help="Port to listen to web requests",
+)
+@click.pass_context
+@cli_helper.process_standard_options
+def webchat(ctx, flush, port):
+    """Web based HAM Radio chat program!"""
+    ctx.obj["config_file"]
+    loglevel = ctx.obj["loglevel"]
+    quiet = ctx.obj["quiet"]
+    config = ctx.obj["config"]
+
+    signal.signal(signal.SIGINT, aprsd_main.signal_handler)
+    signal.signal(signal.SIGTERM, aprsd_main.signal_handler)
+
+    if not quiet:
+        click.echo("Load config")
+
+    level, msg = utils._check_version()
+    if level:
+        LOG.warning(msg)
+    else:
+        LOG.info(msg)
+    LOG.info(f"APRSD Started version: {aprsd.__version__}")
+
+    flat_config = utils.flatten_dict(config)
+    LOG.info("Using CONFIG values:")
+    for x in flat_config:
+        if "password" in x or "aprsd.web.users.admin" in x:
+            LOG.info(f"{x} = XXXXXXXXXXXXXXXXXXX")
+        else:
+            LOG.info(f"{x} = {flat_config[x]}")
+
+    stats.APRSDStats(config)
+
+    # Initialize the client factory and create
+    # The correct client object ready for use
+    client.ClientFactory.setup(config)
+    # Make sure we have 1 client transport enabled
+    if not client.factory.is_client_enabled():
+        LOG.error("No Clients are enabled in config.")
+        sys.exit(-1)
+
+    if not client.factory.is_client_configured():
+        LOG.error("APRS client is not properly configured in config file.")
+        sys.exit(-1)
+
+    packets.PacketList(config=config)
+    messaging.MsgTrack(config=config)
+    packets.WatchList(config=config)
+    packets.SeenList(config=config)
+
+    aprsd_main.flask_enabled = True
+    (socketio, app) = init_flask(config, loglevel, quiet)
+    rx_thread = WebChatRXThread(
+        msg_queues=msg_queues,
+        config=config,
+    )
+    LOG.warning("Start RX Thread")
+    rx_thread.start()
+    tx_thread = WebChatTXThread(
+        msg_queues=msg_queues,
+        config=config,
+        socketio=socketio,
+    )
+    LOG.warning("Start TX Thread")
+    tx_thread.start()
+
+    keepalive = threads.KeepAliveThread(config=config)
+    LOG.warning("Start KeepAliveThread")
+    keepalive.start()
+    LOG.warning("Start socketio.run()")
+    socketio.run(
+        app,
+        host=config["aprsd"]["web"]["host"],
+        port=port,
+    )

aprsd/flask.py

@@ -601,8 +601,8 @@ def init_flask(config, loglevel, quiet):
     flask_app = flask.Flask(
         "aprsd",
         static_url_path="/static",
-        static_folder="web/static",
-        template_folder="web/templates",
+        static_folder="web/admin/static",
+        template_folder="web/admin/templates",
     )
     setup_logging(config, flask_app, loglevel, quiet)
     server = APRSDFlask()

aprsd/messaging.py

@@ -6,7 +6,8 @@ import re
 import threading
 import time
 
-from aprsd import client, objectstore, packets, stats, threads
+from aprsd import client, packets, stats, threads
+from aprsd.utils import objectstore
 
 
 LOG = logging.getLogger("APRSD")
@@ -238,7 +239,10 @@ class RawMessage(Message):
     last_send_age = last_send_time = None
 
     def __init__(self, message, allow_delay=True):
-        super().__init__(fromcall=None, tocall=None, msg_id=None, allow_delay=allow_delay)
+        super().__init__(
+            fromcall=None, tocall=None, msg_id=None,
+            allow_delay=allow_delay,
+        )
         self._raw_message = message
 
     def dict(self):
@@ -282,12 +286,8 @@ class TextMessage(Message):
     last_send_time = last_send_age = None
 
     def __init__(
-        self,
-        fromcall,
-        tocall,
-        message,
-        msg_id=None,
-        allow_delay=True,
+        self, fromcall, tocall, message,
+        msg_id=None, allow_delay=True,
     ):
         super().__init__(
             fromcall=fromcall, tocall=tocall,

aprsd/packets.py

@@ -3,7 +3,8 @@ import logging
 import threading
 import time
 
-from aprsd import objectstore, utils
+from aprsd import utils
+from aprsd.utils import objectstore
 
 
 LOG = logging.getLogger("APRSD")
@@ -77,9 +78,10 @@ class WatchList(objectstore.ObjectStoreMixin):
         if cls._instance is None:
             cls._instance = super().__new__(cls)
             cls._instance.lock = threading.Lock()
-            cls._instance.config = kwargs["config"]
+            if "config" in kwargs:
+                cls._instance.config = kwargs["config"]
+                cls._instance._init_store()
             cls._instance.data = {}
-            cls._instance._init_store()
         return cls._instance
 
     def __init__(self, config=None):
@@ -165,9 +167,10 @@ class SeenList(objectstore.ObjectStoreMixin):
         if cls._instance is None:
             cls._instance = super().__new__(cls)
             cls._instance.lock = threading.Lock()
-            cls._instance.config = kwargs["config"]
+            if "config" in kwargs:
+                cls._instance.config = kwargs["config"]
+                cls._instance._init_store()
             cls._instance.data = {}
-            cls._instance._init_store()
         return cls._instance
 
     def update_seen(self, packet):

aprsd/plugin.py

@@ -492,4 +492,5 @@ class PluginManager:
         self._pluggy_pm.register(obj)
 
     def get_plugins(self):
-        return self._pluggy_pm.get_plugins()
+        if self._pluggy_pm:
+            return self._pluggy_pm.get_plugins()

aprsd/stats.py

@@ -2,6 +2,8 @@ import datetime
 import logging
 import threading
 
+import wrapt
+
 import aprsd
 from aprsd import packets, plugin, utils
 
@@ -12,7 +14,7 @@ LOG = logging.getLogger("APRSD")
 class APRSDStats:
 
     _instance = None
-    lock = None
+    lock = threading.Lock()
     config = None
 
     start_time = None
@@ -39,7 +41,6 @@ class APRSDStats:
         if cls._instance is None:
             cls._instance = super().__new__(cls)
             # any initializetion here
-            cls._instance.lock = threading.Lock()
             cls._instance.start_time = datetime.datetime.now()
             cls._instance._aprsis_keepalive = datetime.datetime.now()
         return cls._instance
@@ -48,128 +49,129 @@ class APRSDStats:
         if config:
             self.config = config
 
+    @wrapt.synchronized(lock)
     @property
     def uptime(self):
-        with self.lock:
-            return datetime.datetime.now() - self.start_time
+        return datetime.datetime.now() - self.start_time
 
+    @wrapt.synchronized(lock)
     @property
     def memory(self):
-        with self.lock:
-            return self._mem_current
+        return self._mem_current
 
+    @wrapt.synchronized(lock)
     def set_memory(self, memory):
-        with self.lock:
-            self._mem_current = memory
+        self._mem_current = memory
 
+    @wrapt.synchronized(lock)
     @property
     def memory_peak(self):
-        with self.lock:
-            return self._mem_peak
+        return self._mem_peak
 
+    @wrapt.synchronized(lock)
     def set_memory_peak(self, memory):
-        with self.lock:
-            self._mem_peak = memory
+        self._mem_peak = memory
 
+    @wrapt.synchronized(lock)
     @property
     def aprsis_server(self):
-        with self.lock:
-            return self._aprsis_server
+        return self._aprsis_server
 
+    @wrapt.synchronized(lock)
     def set_aprsis_server(self, server):
-        with self.lock:
-            self._aprsis_server = server
+        self._aprsis_server = server
 
+    @wrapt.synchronized(lock)
     @property
     def aprsis_keepalive(self):
-        with self.lock:
-            return self._aprsis_keepalive
+        return self._aprsis_keepalive
 
+    @wrapt.synchronized(lock)
     def set_aprsis_keepalive(self):
-        with self.lock:
-            self._aprsis_keepalive = datetime.datetime.now()
+        self._aprsis_keepalive = datetime.datetime.now()
 
+    @wrapt.synchronized(lock)
     @property
     def msgs_tx(self):
-        with self.lock:
-            return self._msgs_tx
+        return self._msgs_tx
 
+    @wrapt.synchronized(lock)
     def msgs_tx_inc(self):
-        with self.lock:
-            self._msgs_tx += 1
+        self._msgs_tx += 1
 
+    @wrapt.synchronized(lock)
     @property
     def msgs_rx(self):
-        with self.lock:
-            return self._msgs_rx
+        return self._msgs_rx
 
+    @wrapt.synchronized(lock)
     def msgs_rx_inc(self):
-        with self.lock:
-            self._msgs_rx += 1
+        self._msgs_rx += 1
 
+    @wrapt.synchronized(lock)
     @property
     def msgs_mice_rx(self):
-        with self.lock:
-            return self._msgs_mice_rx
+        return self._msgs_mice_rx
 
+    @wrapt.synchronized(lock)
     def msgs_mice_inc(self):
-        with self.lock:
-            self._msgs_mice_rx += 1
+        self._msgs_mice_rx += 1
 
+    @wrapt.synchronized(lock)
     @property
     def ack_tx(self):
-        with self.lock:
-            return self._ack_tx
+        return self._ack_tx
 
+    @wrapt.synchronized(lock)
     def ack_tx_inc(self):
-        with self.lock:
-            self._ack_tx += 1
+        self._ack_tx += 1
 
+    @wrapt.synchronized(lock)
     @property
     def ack_rx(self):
-        with self.lock:
-            return self._ack_rx
+        return self._ack_rx
 
+    @wrapt.synchronized(lock)
     def ack_rx_inc(self):
-        with self.lock:
-            self._ack_rx += 1
+        self._ack_rx += 1
 
+    @wrapt.synchronized(lock)
     @property
     def msgs_tracked(self):
-        with self.lock:
-            return self._msgs_tracked
+        return self._msgs_tracked
 
+    @wrapt.synchronized(lock)
     def msgs_tracked_inc(self):
-        with self.lock:
-            self._msgs_tracked += 1
+        self._msgs_tracked += 1
 
+    @wrapt.synchronized(lock)
     @property
     def email_tx(self):
-        with self.lock:
-            return self._email_tx
+        return self._email_tx
 
+    @wrapt.synchronized(lock)
     def email_tx_inc(self):
-        with self.lock:
-            self._email_tx += 1
+        self._email_tx += 1
 
+    @wrapt.synchronized(lock)
     @property
     def email_rx(self):
-        with self.lock:
-            return self._email_rx
+        return self._email_rx
 
+    @wrapt.synchronized(lock)
     def email_rx_inc(self):
-        with self.lock:
-            self._email_rx += 1
+        self._email_rx += 1
 
+    @wrapt.synchronized(lock)
     @property
     def email_thread_time(self):
-        with self.lock:
-            return self._email_thread_last_time
+        return self._email_thread_last_time
 
+    @wrapt.synchronized(lock)
     def email_thread_update(self):
-        with self.lock:
-            self._email_thread_last_time = datetime.datetime.now()
+        self._email_thread_last_time = datetime.datetime.now()
 
+    @wrapt.synchronized(lock)
     def stats(self):
         now = datetime.datetime.now()
         if self._email_thread_last_time:
@@ -185,20 +187,20 @@ class APRSDStats:
         pm = plugin.PluginManager()
         plugins = pm.get_plugins()
         plugin_stats = {}
+        if plugins:
+            def full_name_with_qualname(obj):
+                return "{}.{}".format(
+                    obj.__class__.__module__,
+                    obj.__class__.__qualname__,
+                )
 
-        def full_name_with_qualname(obj):
-            return "{}.{}".format(
-                obj.__class__.__module__,
-                obj.__class__.__qualname__,
-            )
-
-        for p in plugins:
-            plugin_stats[full_name_with_qualname(p)] = {
-                "enabled": p.enabled,
-                "rx": p.rx_count,
-                "tx": p.tx_count,
-                "version": p.version,
-            }
+            for p in plugins:
+                plugin_stats[full_name_with_qualname(p)] = {
+                    "enabled": p.enabled,
+                    "rx": p.rx_count,
+                    "tx": p.tx_count,
+                    "version": p.version,
+                }
 
         wl = packets.WatchList()
         sl = packets.SeenList()
@@ -207,30 +209,30 @@ class APRSDStats:
             "aprsd": {
                 "version": aprsd.__version__,
                 "uptime": utils.strfdelta(self.uptime),
-                "memory_current": self.memory,
+                "memory_current": int(self.memory),
                 "memory_current_str": utils.human_size(self.memory),
-                "memory_peak": self.memory_peak,
+                "memory_peak": int(self.memory_peak),
                 "memory_peak_str": utils.human_size(self.memory_peak),
                 "watch_list": wl.get_all(),
                 "seen_list": sl.get_all(),
             },
             "aprs-is": {
-                "server": self.aprsis_server,
+                "server": str(self.aprsis_server),
                 "callsign": self.config["aprs"]["login"],
                 "last_update": last_aprsis_keepalive,
             },
             "messages": {
-                "tracked": self.msgs_tracked,
-                "sent": self.msgs_tx,
-                "recieved": self.msgs_rx,
-                "ack_sent": self.ack_tx,
-                "ack_recieved": self.ack_rx,
-                "mic-e recieved": self.msgs_mice_rx,
+                "tracked": int(self.msgs_tracked),
+                "sent": int(self.msgs_tx),
+                "recieved": int(self.msgs_rx),
+                "ack_sent": int(self.ack_tx),
+                "ack_recieved": int(self.ack_rx),
+                "mic-e recieved": int(self.msgs_mice_rx),
             },
             "email": {
                 "enabled": self.config["aprsd"]["email"]["enabled"],
-                "sent": self._email_tx,
-                "recieved": self._email_rx,
+                "sent": int(self._email_tx),
+                "recieved": int(self._email_rx),
                 "thread_last_update": last_update,
             },
             "plugins": plugin_stats,

aprsd/threads/keep_alive.py

@@ -73,7 +73,7 @@ class KeepAliveThread(APRSDThread):
                 #  We haven't gotten a keepalive from aprs-is in a while
                 # reset the connection.a
                 if not client.KISSClient.is_enabled(self.config):
-                    LOG.warning("Resetting connection to APRS-IS.")
+                    LOG.warning(f"Resetting connection to APRS-IS {delta}")
                     client.factory.create().reset()
 
             # Check version every hour

aprsd/threads/rx.py

@@ -1,3 +1,4 @@
+import abc
 import logging
 import time
 
@@ -38,7 +39,10 @@ class APRSDRXThread(APRSDThread):
                 self.process_packet, raw=False, blocking=False,
             )
 
-        except aprslib.exceptions.ConnectionDrop:
+        except (
+            aprslib.exceptions.ConnectionDrop,
+            aprslib.exceptions.ConnectionError,
+        ):
             LOG.error("Connection dropped, reconnecting")
             time.sleep(5)
             # Force the deletion of the client object connected to aprs
@@ -48,6 +52,12 @@ class APRSDRXThread(APRSDThread):
         # Continue to loop
         return True
 
+    @abc.abstractmethod
+    def process_packet(self, *args, **kwargs):
+        pass
+
+
+class APRSDPluginRXThread(APRSDRXThread):
     def process_packet(self, *args, **kwargs):
         packet = self._client.decode_packet(*args, **kwargs)
         thread = APRSDProcessPacketThread(packet=packet, config=self.config)

aprsd/web/chat/static/css/index.css

@@ -0,0 +1,94 @@
+body {
+    background: #eeeeee;
+    margin: 2em;
+    text-align: center;
+    font-family: system-ui, sans-serif;
+}
+
+footer {
+    padding: 2em;
+    text-align: center;
+    height: 10vh;
+}
+
+.ui.segment {
+    background: #eeeeee;
+}
+
+ul.list {
+  list-style-type: disc;
+}
+ul.list li {
+  list-style-position: outside;
+}
+
+#left {
+    margin-right: 2px;
+    height: 300px;
+}
+#right {
+    height: 300px;
+}
+#center {
+    height: 300px;
+}
+
+#title {
+    font-size: 4em;
+}
+#version{
+    font-size: .5em;
+}
+#uptime, #aprsis {
+    font-size: 1em;
+}
+#callsign {
+    font-size: 1.4em;
+    color: #00F;
+    padding-top: 8px;
+    margin:10px;
+}
+
+#title_rx {
+    background-color: darkseagreen;
+    text-align: left;
+}
+
+#title_tx {
+    background-color: lightcoral;
+    text-align: left;
+}
+
+.aprsd_1 {
+    background-image: url(/static/images/aprs-symbols-16-0.png);
+    background-repeat: no-repeat;
+    background-position: -160px -48px;
+    width: 16px;
+    height: 16px;
+}
+
+#msgsTabsDiv .ui.tab {
+   margin:0px;
+   padding:0px;
+   display: block;
+}
+
+#msgsTabsDiv .header, .tiny.text, .content, .break,
+  .thumbs.down.outline.icon,
+  .phone.volume.icon
+ {
+    display: inline-block;
+    float: left;
+    position: relative;
+}
+#msgsTabsDiv .tiny.text {
+  width:100px;
+}
+#msgsTabsDiv .tiny.header {
+  width:100px;
+  text-align: left;
+}
+#msgsTabsDiv .break {
+  margin: 2px;
+  text-align: left;
+}

aprsd/web/chat/static/css/tabs.css

@@ -0,0 +1,41 @@
+* {box-sizing: border-box}
+
+/* Style the tab */
+.tab {
+  border: 1px solid #ccc;
+  background-color: #f1f1f1;
+  height: 450px;
+}
+
+/* Style the buttons inside the tab */
+.tab div {
+  display: block;
+  background-color: inherit;
+  color: black;
+  padding: 10px;
+  width: 100%;
+  border: none;
+  outline: none;
+  text-align: left;
+  cursor: pointer;
+  transition: 0.3s;
+  font-size: 17px;
+}
+
+/* Change background color of buttons on hover */
+.tab div:hover {
+  background-color: #ddd;
+}
+
+/* Create an active/current "tab button" class */
+.tab div.active {
+  background-color: #ccc;
+}
+
+/* Style the tab content */
+.tabcontent {
+  border: 1px solid #ccc;
+  height: 450px;
+  overflow-y: scroll;
+  background-color: white;
+}

aprsd/web/chat/static/js/main.js

@@ -0,0 +1,44 @@
+function aprs_img(item, x_offset, y_offset) {
+    var x = x_offset * -16;
+    if (y_offset > 5) {
+        y_offset = 5;
+    }
+    var y = y_offset * -16;
+    var loc = x + 'px '+ y + 'px'
+    item.css('background-position', loc);
+}
+
+function show_aprs_icon(item, symbol) {
+    var offset = ord(symbol) - 33;
+    var col = Math.floor(offset / 16);
+    var row = offset % 16;
+    //console.log("'" + symbol+"'   off: "+offset+"  row: "+ row + "   col: " + col)
+    aprs_img(item, row, col);
+}
+
+function ord(str){return str.charCodeAt(0);}
+
+function update_stats( data ) {
+    $("#version").text( data["stats"]["aprsd"]["version"] );
+    $("#aprs_connection").html( data["aprs_connection"] );
+    $("#uptime").text( "uptime: " + data["stats"]["aprsd"]["uptime"] );
+    short_time = data["time"].split(/\s(.+)/)[1];
+}
+
+
+function start_update() {
+
+    (function statsworker() {
+            $.ajax({
+                url: "/stats",
+                type: 'GET',
+                dataType: 'json',
+                success: function(data) {
+                    update_stats(data);
+                },
+                complete: function() {
+                    setTimeout(statsworker, 10000);
+                }
+            });
+    })();
+}

aprsd/web/chat/static/js/send-message.js

@@ -0,0 +1,215 @@
+var cleared = false;
+var callsign_list = {};
+var message_list = {};
+
+function size_dict(d){c=0; for (i in d) ++c; return c}
+
+function init_chat() {
+   const socket = io("/sendmsg");
+   socket.on('connect', function () {
+       console.log("Connected to socketio");
+   });
+   socket.on('connected', function(msg) {
+       console.log("Connected!");
+       console.log(msg);
+   });
+
+   socket.on("sent", function(msg) {
+       if (cleared == false) {
+           var msgsdiv = $("#msgsTabsDiv");
+           msgsdiv.html('')
+           cleared = true
+       }
+       sent_msg(msg);
+   });
+
+   socket.on("ack", function(msg) {
+       update_msg(msg);
+   });
+
+   socket.on("new", function(msg) {
+       if (cleared == false) {
+           var msgsdiv = $("#msgsTabsDiv");
+           msgsdiv.html('')
+           cleared = true
+       }
+       from_msg(msg);
+   });
+
+   $("#sendform").submit(function(event) {
+       event.preventDefault();
+       msg = {'to': $('#to_call').val(),
+              'message': $('#message').val(),
+              }
+       socket.emit("send", msg);
+       $('#message').val('');
+   });
+}
+
+
+function add_callsign(callsign) {
+   /* Ensure a callsign exists in the left hand nav */
+
+  if (callsign in callsign_list) {
+      return false
+  }
+
+  var callsignTabs = $("#callsignTabs");
+  tab_name = tab_string(callsign);
+  tab_content = tab_content_name(callsign);
+  divname = content_divname(callsign);
+
+  item_html = '<div class="tablinks" id="'+tab_name+'" onclick="openCallsign(event, \''+callsign+'\');">'+callsign+'</div>';
+  callsignTabs.append(item_html);
+  callsign_list[callsign] = true;
+  return true
+}
+
+function append_message(callsign, msg, msg_html) {
+  new_callsign = false
+  if (!message_list.hasOwnProperty(callsign)) {
+       message_list[callsign] = new Array();
+  }
+  message_list[callsign].push(msg);
+
+  // Find the right div to place the html
+  new_callsign = add_callsign(callsign);
+  append_message_html(callsign, msg_html, new_callsign);
+  if (new_callsign) {
+      //click on the new tab
+      click_div = '#'+tab_string(callsign);
+      $(click_div).click();
+  }
+}
+
+function tab_string(callsign) {
+  return "msgs"+callsign;
+}
+
+function tab_content_name(callsign) {
+   return tab_string(callsign)+"Content";
+}
+
+function content_divname(callsign) {
+    return "#"+tab_content_name(callsign);
+}
+
+function append_message_html(callsign, msg_html, new_callsign) {
+  var msgsTabs = $('#msgsTabsDiv');
+  divname_str = tab_content_name(callsign);
+  divname = content_divname(callsign);
+  if (new_callsign) {
+      // we have to add a new DIV
+      msg_div_html = '<div class="tabcontent" id="'+divname_str+'" style="height:450px;">'+msg_html+'</div>';
+      msgsTabs.append(msg_div_html);
+  } else {
+      var msgDiv = $(divname);
+      msgDiv.append(msg_html);
+  }
+
+  $(divname).animate({scrollTop: $(divname)[0].scrollHeight}, "slow");
+}
+
+function create_message_html(time, from, to, message, ack) {
+    msg_html = '<div class="item">';
+    msg_html += '<div class="tiny text">'+time+'</div>';
+    msg_html += '<div class="middle aligned content">';
+    msg_html += '<div class="tiny red header">'+from+'</div>';
+    if (ack) {
+        msg_html += '<i class="thumbs down outline icon" id="' + ack_id + '" data-content="Waiting for ACK"></i>';
+    } else {
+        msg_html += '<i class="phone volume icon" data-content="Recieved Message"></i>';
+    }
+    msg_html += '<div class="middle aligned content">>&nbsp;&nbsp;&nbsp;</div>';
+    msg_html += '</div>';
+    msg_html += '<div class="middle aligned content">'+message+'</div>';
+    msg_html += '</div><br>';
+
+    return msg_html
+}
+
+function sent_msg(msg) {
+    var msgsdiv = $("#sendMsgsDiv");
+
+    ts_str = msg["ts"].toString();
+    ts = ts_str.split(".")[0]*1000;
+    id = ts_str.split('.')[0]
+    ack_id = "ack_" + id
+
+    var d = new Date(ts).toLocaleDateString("en-US")
+    var t = new Date(ts).toLocaleTimeString("en-US")
+
+    msg_html = create_message_html(t, msg['from'], msg['to'], msg['message'], ack_id);
+    append_message(msg['to'], msg, msg_html);
+}
+
+function from_msg(msg) {
+   var msgsdiv = $("#sendMsgsDiv");
+
+   // We have an existing entry
+   ts_str = msg["ts"].toString();
+   ts = ts_str.split(".")[0]*1000;
+   id = ts_str.split('.')[0]
+   ack_id = "ack_" + id
+
+   var d = new Date(ts).toLocaleDateString("en-US")
+   var t = new Date(ts).toLocaleTimeString("en-US")
+
+   from = msg['from']
+   msg_html = create_message_html(t, from, false, msg['message'], false);
+   append_message(from, msg, msg_html);
+}
+
+function update_msg(msg) {
+   var msgsdiv = $("#sendMsgsDiv");
+    // We have an existing entry
+    ts_str = msg["ts"].toString();
+    id = ts_str.split('.')[0]
+    pretty_id = "pretty_" + id
+    loader_id = "loader_" + id
+    ack_id = "ack_" + id
+    span_id = "span_" + id
+
+
+
+    if (msg['ack'] == true) {
+        var loader_div = $('#' + loader_id);
+        var ack_div = $('#' + ack_id);
+        loader_div.removeClass('ui active inline loader');
+        loader_div.addClass('ui disabled loader');
+        ack_div.removeClass('thumbs up outline icon');
+        ack_div.addClass('thumbs up outline icon');
+    }
+
+    $('.ui.accordion').accordion('refresh');
+}
+
+function callsign_select(callsign) {
+   var tocall = $("#to_call");
+   tocall.val(callsign);
+}
+
+function reset_Tabs() {
+  tabcontent = document.getElementsByClassName("tabcontent");
+  for (i = 0; i < tabcontent.length; i++) {
+    tabcontent[i].style.display = "none";
+  }
+}
+
+function openCallsign(evt, callsign) {
+  var i, tabcontent, tablinks;
+
+  tab_content = tab_content_name(callsign);
+
+  tabcontent = document.getElementsByClassName("tabcontent");
+  for (i = 0; i < tabcontent.length; i++) {
+    tabcontent[i].style.display = "none";
+  }
+  tablinks = document.getElementsByClassName("tablinks");
+  for (i = 0; i < tablinks.length; i++) {
+    tablinks[i].className = tablinks[i].className.replace(" active", "");
+  }
+  document.getElementById(tab_content).style.display = "block";
+  evt.target.className += " active";
+  callsign_select(callsign);
+}

aprsd/web/chat/static/js/tabs.js

@@ -0,0 +1,28 @@
+function openTab(evt, tabName) {
+  // Declare all variables
+  var i, tabcontent, tablinks;
+
+  if (typeof tabName == 'undefined') {
+      return
+  }
+
+  // Get all elements with class="tabcontent" and hide them
+  tabcontent = document.getElementsByClassName("tabcontent");
+  for (i = 0; i < tabcontent.length; i++) {
+    tabcontent[i].style.display = "none";
+  }
+
+  // Get all elements with class="tablinks" and remove the class "active"
+  tablinks = document.getElementsByClassName("tablinks");
+  for (i = 0; i < tablinks.length; i++) {
+    tablinks[i].className = tablinks[i].className.replace(" active", "");
+  }
+
+  // Show the current tab, and add an "active" class to the button that opened the tab
+  document.getElementById(tabName).style.display = "block";
+  if (typeof evt.currentTarget == 'undefined') {
+      return
+  } else {
+      evt.currentTarget.className += " active";
+  }
+}

aprsd/web/chat/static/json-viewer/jquery.json-viewer.css

@@ -0,0 +1,57 @@
+/* Root element */
+.json-document {
+  padding: 1em 2em;
+}
+
+/* Syntax highlighting for JSON objects */
+ul.json-dict, ol.json-array {
+  list-style-type: none;
+  margin: 0 0 0 1px;
+  border-left: 1px dotted #ccc;
+  padding-left: 2em;
+}
+.json-string {
+  color: #0B7500;
+}
+.json-literal {
+  color: #1A01CC;
+  font-weight: bold;
+}
+
+/* Toggle button */
+a.json-toggle {
+  position: relative;
+  color: inherit;
+  text-decoration: none;
+}
+a.json-toggle:focus {
+  outline: none;
+}
+a.json-toggle:before {
+  font-size: 1.1em;
+  color: #c0c0c0;
+  content: "\25BC"; /* down arrow */
+  position: absolute;
+  display: inline-block;
+  width: 1em;
+  text-align: center;
+  line-height: 1em;
+  left: -1.2em;
+}
+a.json-toggle:hover:before {
+  color: #aaa;
+}
+a.json-toggle.collapsed:before {
+  /* Use rotated down arrow, prevents right arrow appearing smaller than down arrow in some browsers */
+  transform: rotate(-90deg);
+}
+
+/* Collapsable placeholder links */
+a.json-placeholder {
+  color: #aaa;
+  padding: 0 1em;
+  text-decoration: none;
+}
+a.json-placeholder:hover {
+  text-decoration: underline;
+}

aprsd/web/chat/static/json-viewer/jquery.json-viewer.js

@@ -0,0 +1,158 @@
+/**
+ * jQuery json-viewer
+ * @author: Alexandre Bodelot <alexandre.bodelot@gmail.com>
+ * @link: https://github.com/abodelot/jquery.json-viewer
+ */
+(function($) {
+
+  /**
+   * Check if arg is either an array with at least 1 element, or a dict with at least 1 key
+   * @return boolean
+   */
+  function isCollapsable(arg) {
+    return arg instanceof Object && Object.keys(arg).length > 0;
+  }
+
+  /**
+   * Check if a string represents a valid url
+   * @return boolean
+   */
+  function isUrl(string) {
+    var urlRegexp = /^(https?:\/\/|ftps?:\/\/)?([a-z0-9%-]+\.){1,}([a-z0-9-]+)?(:(\d{1,5}))?(\/([a-z0-9\-._~:/?#[\]@!$&'()*+,;=%]+)?)?$/i;
+    return urlRegexp.test(string);
+  }
+
+  /**
+   * Transform a json object into html representation
+   * @return string
+   */
+  function json2html(json, options) {
+    var html = '';
+    if (typeof json === 'string') {
+      // Escape tags and quotes
+      json = json
+        .replace(/&/g, '&amp;')
+        .replace(/</g, '&lt;')
+        .replace(/>/g, '&gt;')
+        .replace(/'/g, '&apos;')
+        .replace(/"/g, '&quot;');
+
+      if (options.withLinks && isUrl(json)) {
+        html += '<a href="' + json + '" class="json-string" target="_blank">' + json + '</a>';
+      } else {
+        // Escape double quotes in the rendered non-URL string.
+        json = json.replace(/&quot;/g, '\\&quot;');
+        html += '<span class="json-string">"' + json + '"</span>';
+      }
+    } else if (typeof json === 'number') {
+      html += '<span class="json-literal">' + json + '</span>';
+    } else if (typeof json === 'boolean') {
+      html += '<span class="json-literal">' + json + '</span>';
+    } else if (json === null) {
+      html += '<span class="json-literal">null</span>';
+    } else if (json instanceof Array) {
+      if (json.length > 0) {
+        html += '[<ol class="json-array">';
+        for (var i = 0; i < json.length; ++i) {
+          html += '<li>';
+          // Add toggle button if item is collapsable
+          if (isCollapsable(json[i])) {
+            html += '<a href class="json-toggle"></a>';
+          }
+          html += json2html(json[i], options);
+          // Add comma if item is not last
+          if (i < json.length - 1) {
+            html += ',';
+          }
+          html += '</li>';
+        }
+        html += '</ol>]';
+      } else {
+        html += '[]';
+      }
+    } else if (typeof json === 'object') {
+      var keyCount = Object.keys(json).length;
+      if (keyCount > 0) {
+        html += '{<ul class="json-dict">';
+        for (var key in json) {
+          if (Object.prototype.hasOwnProperty.call(json, key)) {
+            html += '<li>';
+            var keyRepr = options.withQuotes ?
+              '<span class="json-string">"' + key + '"</span>' : key;
+            // Add toggle button if item is collapsable
+            if (isCollapsable(json[key])) {
+              html += '<a href class="json-toggle">' + keyRepr + '</a>';
+            } else {
+              html += keyRepr;
+            }
+            html += ': ' + json2html(json[key], options);
+            // Add comma if item is not last
+            if (--keyCount > 0) {
+              html += ',';
+            }
+            html += '</li>';
+          }
+        }
+        html += '</ul>}';
+      } else {
+        html += '{}';
+      }
+    }
+    return html;
+  }
+
+  /**
+   * jQuery plugin method
+   * @param json: a javascript object
+   * @param options: an optional options hash
+   */
+  $.fn.jsonViewer = function(json, options) {
+    // Merge user options with default options
+    options = Object.assign({}, {
+      collapsed: false,
+      rootCollapsable: true,
+      withQuotes: false,
+      withLinks: true
+    }, options);
+
+    // jQuery chaining
+    return this.each(function() {
+
+      // Transform to HTML
+      var html = json2html(json, options);
+      if (options.rootCollapsable && isCollapsable(json)) {
+        html = '<a href class="json-toggle"></a>' + html;
+      }
+
+      // Insert HTML in target DOM element
+      $(this).html(html);
+      $(this).addClass('json-document');
+
+      // Bind click on toggle buttons
+      $(this).off('click');
+      $(this).on('click', 'a.json-toggle', function() {
+        var target = $(this).toggleClass('collapsed').siblings('ul.json-dict, ol.json-array');
+        target.toggle();
+        if (target.is(':visible')) {
+          target.siblings('.json-placeholder').remove();
+        } else {
+          var count = target.children('li').length;
+          var placeholder = count + (count > 1 ? ' items' : ' item');
+          target.after('<a href class="json-placeholder">' + placeholder + '</a>');
+        }
+        return false;
+      });
+
+      // Simulate click on toggle button when placeholder is clicked
+      $(this).on('click', 'a.json-placeholder', function() {
+        $(this).siblings('a.json-toggle').click();
+        return false;
+      });
+
+      if (options.collapsed == true) {
+        // Trigger click to collapse all nodes
+        $(this).find('a.json-toggle').click();
+      }
+    });
+  };
+})(jQuery);

aprsd/web/chat/templates/index.html

@@ -0,0 +1,86 @@
+<html>
+    <head>
+        <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1">
+        <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
+        <link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/smoothness/jquery-ui.css">
+        <script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
+        <script src="https://cdn.socket.io/4.1.2/socket.io.min.js" integrity="sha384-toS6mmwu70G0fw54EGlWWeA4z3dyJ+dlXBtSURSKN4vyRFOcxd3Bzjj/AoOwY+Rg" crossorigin="anonymous"></script>
+
+        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/semantic-ui@2.4.2/dist/semantic.min.css">
+        <script src="https://cdn.jsdelivr.net/npm/semantic-ui@2.4.2/dist/semantic.min.js"></script>
+
+        <link rel="stylesheet" href="/static/css/index.css">
+        <link rel="stylesheet" href="/static/css/tabs.css">
+        <script src="/static/js/main.js"></script>
+        <script src="/static/js/send-message.js"></script>
+
+
+        <script type="text/javascript">
+            var initial_stats = {{ initial_stats|tojson|safe }};
+
+            var memory_chart = null
+            var message_chart = null
+
+            $(document).ready(function() {
+                console.log(initial_stats);
+                start_update();
+                init_chat();
+                reset_Tabs();
+            });
+        </script>
+    </head>
+
+    <body>
+        <div class='ui text container'>
+            <h1 class='ui dividing header'>APRSD WebChat {{ version }}</h1>
+        </div>
+
+        <div class='ui grid text container'>
+            <div class='left floated ten wide column'>
+                <span style='color: green'>{{ callsign }}</span>
+                connected to
+                <span style='color: blue' id='aprs_connection'>{{ aprs_connection|safe }}</span>
+            </div>
+
+            <div class='right floated four wide column'>
+                <span id='uptime'>NONE</span>
+            </div>
+        </div>
+
+        <div class="ui container">
+            <h3 class="ui dividing header">Send Message</h3>
+            <div id="sendMsgDiv" class="ui mini text">
+                <form id="sendform" name="sendmsg" action="">
+                    <div class="ui corner labeled input">
+                        <label for="to_call" class="ui label">Callsign</label>
+                        <input type="text" name="to_call" id="to_call" placeholder="To Callsign" size="11" maxlength="9">
+                        <div class="ui corner label">
+                            <i class="asterisk icon"></i>
+                        </div>
+                    </div>
+                    <div class="ui labeled input">
+                        <label for="message" class="ui label">Message</label>
+                        <input type="text" name="message" id="message" size="40" maxlength="40">
+                    </div>
+                    <input type="submit" name="submit" class="ui button" id="send_msg" value="Send" />
+                </form>
+            </div>
+            </div>
+
+            <div class="ui grid">
+                <div class="three wide column">
+                    <div class="tab" id="callsignTabs">
+                    </div>
+                </div>
+                <div class="ten wide column ui raised segment" id="msgsTabsDiv" style="height:450px;padding:0px;">
+                    &nbsp;
+                </div>
+            </div>
+        </div>
+
+        <div class="ui text container" style="padding-top: 40px">
+            <a href="https://badge.fury.io/py/aprsd"><img src="https://badge.fury.io/py/aprsd.svg" alt="PyPI version" height="18"></a>
+            <a href="https://github.com/craigerl/aprsd"><img src="https://img.shields.io/badge/Made%20with-Python-1f425f.svg" height="18"></a>
+        </div>
+    </body>
+</html>

requirements.in

@@ -24,3 +24,4 @@ tabulate
 rich
 # For the list-plugins pypi.org search scraping
 beautifulsoup4
+wrapt

requirements.txt

@@ -128,3 +128,5 @@ weakrefmethod==1.0.3
     # via signalslot
 werkzeug==2.0.0
     # via flask
+wrapt==1.14.1
+    # via -r requirements.in

tests/cmds/test_dev.py

@@ -15,7 +15,10 @@ F = t.TypeVar("F", bound=t.Callable[..., t.Any])
 class TestDevTestPluginCommand(unittest.TestCase):
 
     def _build_config(self, login=None, password=None):
-        config = {"aprs": {}}
+        config = {
+            "aprs": {},
+            "aprsd": {"trace": False},
+        }
         if login:
             config["aprs"]["login"] = login
 

tests/cmds/test_send_message.py

@@ -15,7 +15,10 @@ F = t.TypeVar("F", bound=t.Callable[..., t.Any])
 class TestSendMessageCommand(unittest.TestCase):
 
     def _build_config(self, login=None, password=None):
-        config = {"aprs": {}}
+        config = {
+            "aprs": {},
+            "aprsd": {"trace": False},
+        }
         if login:
             config["aprs"]["login"] = login