Store frames in database, remove frames older than chosen age.

config.ini

@@ -7,3 +7,6 @@ log_folder = logs/
 station_call = W1CDN-1
 station_lat = 47.941500
 station_lon = -97.027000
+
+# How long to keep packets (frames) e.g., "2 days", "5 minutes"
+keep_time = "2 days"

db_test.py

@@ -1,14 +0,0 @@
-import sqlite3
-
-def get_db_connection():
-    conn = sqlite3.connect('database.db')
-    conn.row_factory = sqlite3.Row
-    return conn
-
-frame1 = "W1CDN-1>APDW16,K0UND-2*:;147.390GF*111111z4755.45N/09700.58Wr147.390MHz +060 https://www.wa0jxt.org/"
-
-conn = get_db_connection()
-conn.execute('INSERT INTO frames (frame) VALUES (?)',
-             (frame1,))
-conn.commit()
-conn.close()

schema.sql

@@ -2,6 +2,42 @@ DROP TABLE IF EXISTS frames;
 
 CREATE TABLE frames (
     id INTEGER PRIMARY KEY AUTOINCREMENT,
+    addresse TEXT,
+    alive INT,
+    altitude REAL,
+    comment TEXT,
+    course REAL,
     created TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    frame TEXT NOT NULL
+    format TEXT,
+    frame TEXT,
+    "from" TEXT,
+    gpsfixstatus TEXT,
+    latitude REAL,
+    longitude REAL,
+    mbits INT,
+    messagecapable INT,
+    message_text TEXT,
+    mtype TEXT,
+    object_format TEXT,
+    object_name TEXT,
+    path TEXT,
+    posambiguity INT,
+    raw TEXT,
+    raw_timestamp TEXT,
+    speed REAL,
+    station_call TEXT,
+    station_lat REAL,
+    station_lon REAL,
+    status TEXT,
+    symbol TEXT,
+    symbol_table TEXT,
+    telemetry TEXT,
+    timestamp INT,
+    "to" TEXT,
+    tEQNS TEXT,
+    tPARM TEXT,
+    tUNIT TEXT,
+    via TEXT,
+    weather TEXT,
+    wx_raw_timestamp TIMESTAMP
 );

tcp_kiss_send_recv.py

@@ -4,37 +4,106 @@ 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)
+    #ki.write(frame)
+
+    # Watch for new packets to come in
     while True:
+        conn = get_db_connection()
         for frame in ki.read(min_frames=1):
-            #print(repr(frame))
             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)
-            conn = get_db_connection()
-            # conn.execute('INSERT INTO frames (frame) VALUES (?)',
-            #              (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()
-            conn.close()
+
+            # 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()