Read from database for API.

api_app.py

@@ -6,6 +6,7 @@ import csv
 import ast
 import glob
 import json
+import sqlite3
 api_app = Flask(__name__)
 api = Api(api_app)
 
@@ -42,16 +43,41 @@ def read_logs(log_folder):
 
     return(json_array)
 
+def dict_factory(cursor, row):
+    d = {}
+    for idx, col in enumerate(cursor.description):
+        d[col[0]] = row[idx]
+    return d
+
+def get_db_connection():
+    conn = sqlite3.connect('database.db')
+    #conn.row_factory = sqlite3.Row
+    conn.row_factory = dict_factory
+    return conn
+
+def select_all_frames(conn):
+    """
+    Query all rows in the frames table
+    :param conn: the Connection object
+    :return:
+    """
+    cur = conn.cursor()
+    cur.execute("SELECT * FROM frames")
+    rows = cur.fetchall()
+    return rows
+
 class Packets(Resource):
     def get(self):
-        data = read_logs(log_folder)
+        #data = read_logs(log_folder)
+        conn = get_db_connection()
+        data = select_all_frames(conn)
         return {'data': data}, 200  # return data and 200 OK code
 
 # Read config
 config = read_config()
 log_folder = config['Settings']['log_folder']
 # Load logs first (just to check for errors before page loads)
-data = read_logs(log_folder)
+#data = read_logs(log_folder)
 
 # Start subprocess to watch KISS connection
 import subprocess

kiss_and_db.py

@@ -1,44 +1,110 @@
 #!/usr/bin/env python3
-"""
-Send a test frame via TCP, then read & print KISS frames from a TCP Socket.
-For use with programs like Dire Wolf.
-From https://github.com/python-aprs/kiss3/blob/main/examples/tcp_send_recv.py
-"""
 import os
-
+import sqlite3
-from ax253 import Frame
+import aprs
-import kiss
+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",
+"phg",
+"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 print_frame(frame):
+def read_config():
-    print(Frame.from_bytes(frame))
+    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():
-    ki = kiss.TCPKISS(host=KISS_HOST, port=int(KISS_PORT), strip_df_start=True)
-    ki.start()
-    # frame = Frame.ui(
-    #     destination="PYKISS",
-    #     source=MYCALL,
-    #     path=["WIDE1-1"],
-    #     info=">Hello World!",
-    # )
-    #ki.write(frame)
-    # Write received frame to terminal
-    ki.read(callback=print_frame, min_frames=None)
 
-    # put some database stuff here
+    # Add the call and location of this station to the packet info
-    print(Frame.from_bytes(frame))
+    config = read_config()
-    conn = get_db_connection()
+
-    conn.execute('INSERT INTO frames (frame) VALUES (?)',
+    ki = aprs.TCPKISS(host=KISS_HOST, port=int(KISS_PORT))
-                 (Frame.from_bytes(frame)))
+    ki.start()
-    conn.commit()
+
-    conn.close()
+    # 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()

schema.sql

@@ -21,6 +21,7 @@ CREATE TABLE frames (
     object_format TEXT,
     object_name TEXT,
     path TEXT,
+    phg TEXT,
     posambiguity INT,
     raw TEXT,
     raw_timestamp TEXT,