.gitignore

@@ -1 +1,4 @@
 /logs/*
+config.ini
+*.db
+*.log

api_app.py

@@ -1,11 +1,14 @@
-from flask import Flask, request
-from flask_restful import Resource, Api, reqparse
+from flask import Flask, request, render_template
+from flask_restful import Resource, Api, reqparse, url_for
 from datetime import date, timedelta
 import configparser
 import csv
+import datetime
+import timeago
 import ast
 import glob
 import json, operator
+import requests
 import sqlite3
 api_app = Flask(__name__)
 api = Api(api_app)
@@ -18,34 +21,6 @@ def read_config():
     config.read('config.ini')
     return config
 
-def read_logs(log_folder):
-    # Read some log files
-    # UTC time, so let's look at tomorrow, today, and yesterday.
-    today = date.today()
-    yesterday = today - timedelta(days = 1)
-    tomorrow = today + timedelta(days = 1)
-    file_list = glob.glob(log_folder+str(yesterday)+"*") + \
-                glob.glob(log_folder+str(today)+"*") + \
-                glob.glob(log_folder+str(tomorrow)+"*")
-
-    # https://stackoverflow.com/a/66071962
-    json_array = []
-    for file in file_list:
-        with open(file, encoding='utf-8') as csvf:
-            csvReader = csv.DictReader(csvf)
-            for row in csvReader:
-                #add this python dict to json array
-                json_array.append(row)
-
-    # Add the call and location of this station to the packet info
-    config = read_config()
-    for item in json_array:
-        item['station_name'] = config['Settings']['station_call']
-        item['station_lat'] = config['Settings']['station_lat']
-        item['station_lon'] = config['Settings']['station_lon']
-
-    return(json_array)
-
 def dict_factory(cursor, row):
     d = {}
     for idx, col in enumerate(cursor.description):
@@ -68,7 +43,29 @@ def select_all_frames(conn):
     rows = cur.fetchall()
     return rows
 
-def select_frames(conn, n, from_, url_params):
+def select_all_stations(conn):
+    """
+    Query all rows in the stations table
+    :param conn: the Connection object
+    :return:
+    """
+    cur = conn.cursor()
+    cur.execute("SELECT * FROM stations ORDER BY last_heard_unix DESC")
+    rows = cur.fetchall()
+    return rows
+
+def unique_stations(conn):
+    """
+    Query all rows in the frames table
+    :param conn: the Connection object
+    :return:
+    """
+    cur = conn.cursor()
+    cur.execute('SELECT *, MAX(id), COUNT(id) FROM frames GROUP BY "from" ORDER BY MAX(id) DESC')
+    rows = cur.fetchall()
+    return rows
+
+def select_frames(conn, n, url_params):
 
     # Should pass this a dict of fields and values (request.args)
     # TODO clean data before sending to DB
@@ -89,6 +86,40 @@ def select_frames(conn, n, from_, url_params):
     rows = cur.fetchall()
     return rows
 
+@api_app.route('/')
+def index():
+
+    # Get list of recent packets using API
+    # TODO use relative path
+    #frames = json.loads(requests.get(url_for("packets", _external=True)).text)['data']
+    #frames = json.loads(requests.get("https://digi.w1cdn.net/aprs_api/packets").text)['data']
+    frames = json.loads(requests.get(config['Settings']['base_url']+"/packets").text)['data']
+    for frame in frames:
+        if frame['created'] != None:
+            frame['time_ago'] = timeago.format(frame['created_unix'], datetime.datetime.now())
+
+
+    # Play with function to create station list
+    #stations = select_all_stations(get_db_connection())
+    #print(url_for("static", filename="test.txt", _external=True))
+    # this should work: stations = json.loads(requests.get(url_for("stations", _external=True)).text)['data']
+    #stations = json.loads(requests.get(url_for("stations", _external=True)).text)['data']
+    #stations = json.loads(requests.get("https://digi.w1cdn.net/aprs_api/stations").text)['data']
+    stations = json.loads(requests.get(config['Settings']['base_url']+"/stations").text)['data']
+    # Convert unix time to datetime on the fly because I'm lazy right now
+    for station in stations:
+        if station['last_heard_unix'] != None:
+            station['last_heard'] = datetime.datetime.utcfromtimestamp(station['last_heard_unix'])
+            station['time_ago'] = timeago.format(station['last_heard_unix'], datetime.datetime.now())
+
+
+    return render_template('index.html',
+                            station_call = config['Settings']['station_call'],
+                            station_lat = config['Settings']['station_lat'],
+                            station_lon = config['Settings']['station_lon'],
+                            frames = frames,
+                            stations = stations)
+
 class Packets(Resource):
     def get(self):
         # Handle arguments that may or may not exist
@@ -96,24 +127,43 @@ class Packets(Resource):
             n = int(request.args.get('n'))
         except:
             n = 10
-        from_ = None if request.args.get('from') == None else request.args.get('from')
 
         conn = get_db_connection()
         # Limit to number of records requested
-        data = select_frames(conn, n = n, from_ = from_, url_params = request.args.to_dict())
+        data = select_frames(conn, n = n, url_params = request.args.to_dict())
+        # Sort by created date, descending (https://stackoverflow.com/a/45266808)
+        #data.sort(key=operator.itemgetter('created'), reverse=True)
+        return {'data':data}, 200  # return data and 200 OK code
+
+class Stations(Resource):
+    def get(self):
+        # Handle arguments that may or may not exist
+        try:
+            n = int(request.args.get('n'))
+        except:
+            n = 10
+
+        conn = get_db_connection()
+        # Limit to number of records requested
+        data = select_all_stations(conn)
         # Sort by created date, descending (https://stackoverflow.com/a/45266808)
         #data.sort(key=operator.itemgetter('created'), reverse=True)
         return {'data':data}, 200  # return data and 200 OK code
 
 # Read config
 config = read_config()
-log_folder = config['Settings']['log_folder']
 
 # Start subprocess to watch KISS connection
 import subprocess
-subprocess.Popen(["python3","kiss_and_db.py"])
+#proc = subprocess.Popen(["python3","kiss_and_db.py"])
+# Combine under one process https://stackoverflow.com/a/13143013/2152245
+proc = subprocess.Popen("exec " + "python3 kiss_and_db.py", stdout=subprocess.PIPE, shell=True)
+print("kiss_and_db.py as subprocess pid "+str(proc.pid))
 
-api.add_resource(Packets, '/packets')  # and '/locations' is our entry point for Locations
+# The packets endpoint
+api.add_resource(Packets, '/packets')
+# The stations endpoint
+api.add_resource(Stations, '/stations')
 
 if __name__ == '__main__':
     api_app.run(debug=True, host='0.0.0.0', port=5001)  # run our Flask app

config_default.ini

@@ -1,13 +1,12 @@
 [Settings]
-# Path to direwolf log folder, include trailing slash
-log_folder = logs/
-#log_folder = /home/pi/logs/direwolf/
-
 # Name and location of this station, for inclusion in the API
 station_call = W1CDN-1
 station_lat = 47.941500
 station_lon = -97.027000
 
+# Base URL for application (no trailing slash)
+base_url = https://digi.w1cdn.net/aprs_api
+
 # How long to keep packets (frames) e.g., "2 days", "5 minutes"
 keep_time = "2 days"
 
@@ -17,3 +16,4 @@ kiss_port = 8001
 
 # Development settings (not operational yet)
 mycall = W1CDN-15
+log_path = aprs_api.log

kiss_and_db.py

@@ -6,6 +6,7 @@ import json
 import aprslib
 import configparser
 import time
+import logging
 
 def read_config():
     config = configparser.ConfigParser()
@@ -25,10 +26,14 @@ def main():
     # KISS_HOST = os.environ.get("KISS_HOST", "192.168.0.30")
     # KISS_PORT = os.environ.get("KISS_PORT", "8001")
 
+    logging.basicConfig(filename=config['Settings']['log_path'], level=logging.DEBUG, \
+                        format='%(asctime)s - %(message)s')
+    logging.debug('kiss_and_db.py running')
 
     ki = aprs.TCPKISS(host=config['Settings']['kiss_host'], port=int(config['Settings']['kiss_port']))
     ki.start()
 
+
     # Make a simple frame and send it
     frame = aprs.APRSFrame.ui(
         destination="APZ001",
@@ -60,20 +65,44 @@ def main():
                 # Build an INSERT statement based on the fields we have from the frame
                 attrib_names = ', '.join('"%s"' % w for w in a.keys())
                 attrib_values = ", ".join("?" * len(a.keys()))
-                sql = "INSERT INTO frames ("+attrib_names+") VALUES ("+attrib_values+")"
+
+
                 try:
                     # Insert data
+                    sql = "INSERT INTO frames ("+attrib_names+") VALUES ("+attrib_values+")"
                     conn.execute(sql, list(a.values()))
+                    logging.debug("Frames table updated")
+                    # TODO update stations table here
+                    # Original intent was to include the id from the frames table,
+                    # but that would mean making another query.
+                    # It's not immediately needed, so I'm skipping it.
+                    # Build query
+                    # "from" is wrappedin [] because it is a reserved word and using '' doesn't work.
+                    # https://www.sqlite.org/lang_keywords.html
+                    #try:
+                    station_update = "'"+a['from'] +"', '"+ str(a['created_unix']) +"', '1'"
+                    query3 = "INSERT INTO stations ([from], last_heard_unix, count) \
+                    VALUES("+station_update+") \
+                    ON CONFLICT([from]) \
+                    DO UPDATE SET count = count + 1,\
+                                  last_heard_unix = excluded.last_heard_unix;"
+                    # Insert/update data
+                    conn.execute(query3)
+                    logging.debug("Station table updated")
                     conn.commit()
+                    #except:
+                     #   print("Stations table couldn't be updated.")
 
                     # TODO remove packets that are older ('created') than a limit set in config.ini
                     # "5 minutes" also works
-                    conn.execute("DELETE FROM frames WHERE created < DATETIME('now', '"+config['Settings']['keep_time']+"')")
-                    conn.commit()
+                    #conn.execute("DELETE FROM frames WHERE created < DATETIME('now', '"+config['Settings']['keep_time']+"')")
+                    #conn.commit()
                 except:
-                    print("Error with SQLite!")
+                    #print("Error with SQLite!")
+                    logging.error("Error with SQLite!")
             except:
-                print("Frame could not be parsed.")
+                #print("Frame could not be parsed.")
+                logging.error("Frame could not be parsed.")
 
 
         conn.close()

requirements.txt

@@ -1,6 +1,9 @@
 flask
 flask_restful
-aprs
+aprs3
+kiss3
+kiss
 aprslib
 sqlite3
 json
+timeago

schema.sql

@@ -50,3 +50,12 @@ CREATE TABLE frames (
     weather TEXT,
     wx_raw_timestamp TIMESTAMP
 );
+
+CREATE TABLE "stations" (
+	"id"	INTEGER NOT NULL UNIQUE,
+	"from"	TEXT UNIQUE,
+	"frames_id"	INTEGER,
+	"last_heard_unix"	INTEGER,
+	"count"	INTEGER,
+	PRIMARY KEY("id" AUTOINCREMENT)
+);

start-aprs_api.sh

@@ -1,4 +1,4 @@
 #!/bin/bash
 # Run `chmod +x start-aprs_api.sh` so this can be run
 
-screen -dmS aprs_api python3 /home/pi/aprs_tools/api_waitress.py
+screen -dmS aprs_api python3 /home/pi/aprs_tool/api_waitress.py

tcp_kiss_send_recv.py

@@ -1,109 +0,0 @@
-#!/usr/bin/env python3
-import os
-import sqlite3
-import aprs
-import json
-import aprslib
-import configparser
-
-MYCALL = os.environ.get("MYCALL", "W1CDN")
-KISS_HOST = os.environ.get("KISS_HOST", "192.168.0.30")
-KISS_PORT = os.environ.get("KISS_PORT", "8001")
-
-db_fields = ("id",
-"addresse",
-"alive",
-"altitude",
-"comment",
-"course",
-"created",
-"format",
-"frame",
-"from",
-"gpsfixstatus",
-"latitude",
-"longitude",
-"mbits",
-"messagecapable",
-"message_text",
-"mtype",
-"object_format",
-"object_name",
-"path",
-"posambiguity",
-"raw",
-"raw_timestamp",
-"speed",
-"station_call",
-"station_lat",
-"station_lon",
-"status",
-"symbol",
-"symbol_table",
-"telemetry",
-"timestamp",
-"to",
-"tEQNS",
-"tPARM",
-"tUNIT",
-"via",
-"weather",
-"wx_raw_timestamp")
-
-def read_config():
-    config = configparser.ConfigParser()
-    config.read('config.ini')
-    return config
-
-def get_db_connection():
-    conn = sqlite3.connect('database.db')
-    conn.row_factory = sqlite3.Row
-    return conn
-
-def main():
-
-    # Add the call and location of this station to the packet info
-    config = read_config()
-
-    ki = aprs.TCPKISS(host=KISS_HOST, port=int(KISS_PORT))
-    ki.start()
-
-    # Make a simple frame and send it
-    frame = aprs.APRSFrame.ui(
-        destination="APZ001",
-        source=MYCALL,
-        path=["WIDE1-1"],
-        info=b">Hello World!",
-    )
-    #ki.write(frame)
-
-    # Watch for new packets to come in
-    while True:
-        conn = get_db_connection()
-        for frame in ki.read(min_frames=1):
-            a = aprslib.parse(str(frame))
-            a['station_call'] = config['Settings']['station_call']
-            a['station_lat'] = config['Settings']['station_lat']
-            a['station_lon'] = config['Settings']['station_lon']
-            print(a)
-            # Make this a string and deal with it later (probably a mistake)
-            a['path'] = str(a['path'])
-            # Build an INSERT statement based on the fields we have from the frame
-            attrib_names = ', '.join(f'"{w}"' for w in a.keys())
-            attrib_values = ", ".join("?" * len(a.keys()))
-            sql = f"INSERT INTO frames ({attrib_names}) VALUES ({attrib_values})"
-            # Insert data
-            conn.execute(sql, list(a.values()))
-            conn.commit()
-
-            # TODO remove packets that are older ('created') than a limit set in config.ini
-            # "5 minutes" also works
-            conn.execute("DELETE FROM frames WHERE created < DATETIME('now', '"+config['Settings']['keep_time']+"')")
-            conn.commit()
-
-        conn.close()
-
-
-
-if __name__ == "__main__":
-    main()

templates/index.html

@@ -0,0 +1,64 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>{{station_call}} Status</title>
+
+    <style>
+      table, th, td {
+        border: 1px solid black;
+      }
+    </style>
+</head>
+<body>
+<h1>{{station_call}} Status</h1>
+Station location: {{station_lat}}, {{station_lon}}
+
+<h2> About </h2>
+This is a work in progress. See <a href="https://amiok.net/gitea/W1CDN/aprs_tool">https://amiok.net/gitea/W1CDN/aprs_tool</a> for usage.
+
+<h2> Recent RF Packets </h2>
+   <table>
+     <tr>
+      <th> from </th>
+      <th> object_name </th>
+      <th> raw </th>
+      <th> created (utc) </th>
+      <th> relative </th>
+      <th> more </th>
+    </tr>
+        {% for i in frames %}
+     <tr>
+       <td> <a href="https://digi.w1cdn.net/aprs_api/packets?from={{ i['from'] }}">{{ i['from'] }}</a> </td>
+       <td> {{ i['object_name'] }} </td>
+       <td> {{ i['raw'] }} </td>
+       <td> {{ i['created'] }} </td>
+       <td> {{ i['time_ago'] }} </td>
+       <td> <a href="https://digi.w1cdn.net/aprs_api/packets?id={{ i['id'] }}">query</a>,
+            <a href="https://aprs.fi/#!mt=roadmap&z=12&call=a%2F{{ i['from'] }}">aprs.fi</a></td>
+     </tr>
+      {% endfor %}
+  </table>
+
+<h2> Recent Stations </h2>
+<table>
+  <tr>
+   <th> from </th>
+   <th> last heard (utc) </th>
+   <th> relative </th>
+   <th> count </th>
+   <th> more </th>
+ </tr>
+     {% for i in stations %}
+  <tr>
+    <td> <a href="https://digi.w1cdn.net/aprs_api/packets?from={{ i['from'] }}">{{ i['from'] }}</a> </td>
+    <td> {{ i['last_heard'] }} </td>
+    <td> {{ i['time_ago'] }} </td>
+    <td> {{ i['count']}} </td>
+    <td> <a href="https://aprs.fi/#!mt=roadmap&z=12&call=a%2F{{ i['from'] }}">aprs.fi</a></td>
+  </tr>
+   {% endfor %}
+</table>
+
+</body>
+</html>

test_db.py

@@ -0,0 +1,36 @@
+
+# Learn how to update database
+
+import sqlite3
+
+def get_db_connection():
+    conn = sqlite3.connect('database.db')
+    conn.row_factory = sqlite3.Row
+    return conn
+
+conn = get_db_connection()
+
+# Grab a random row from frames table and pretend it is new
+cur = conn.cursor()
+cur.execute("SELECT [from], id, created_unix FROM frames ORDER BY RANDOM() LIMIT 1;")
+rows = cur.fetchall()
+results = dict(rows[0])
+values = ', '.join('"%s"' % w for w in results.values())
+
+
+# Build query
+# "from" is wrappedin [] because it is a reserved word and using '' doesn't work.
+query3 = "INSERT INTO stations ([from], frames_id, last_heard_unix, count) \
+VALUES("+values+", 1) \
+ON CONFLICT([from]) \
+DO UPDATE SET count = count + 1;"
+
+# example https://stackoverflow.com/a/50718957/2152245
+# query2 = "INSERT INTO stations ([from], frames_id, last_heard_unix, count) \
+# VALUES('KC9TZN-8', 4068, 1687623864, 1) \
+# ON CONFLICT([from]) \
+# DO UPDATE SET count = count + 1;"
+
+conn.execute(query3)
+conn.commit()
+conn.close()