rename gps303 -> loctrkd

[loctrkd.git] / loctrkd / qry.py

diff --git a/loctrkd/qry.py b/loctrkd/qry.py
new file mode 100644 (file)
index 0000000..cde47ec
--- /dev/null
+++ b/loctrkd/qry.py
@@ -0,0 +1,40 @@
+from datetime import datetime, timezone
+from sqlite3 import connect
+import sys
+
+from .zx303proto import parse_message, proto_by_name
+
+db = connect(sys.argv[1])
+c = db.cursor()
+if len(sys.argv) > 2:
+    proto = proto_by_name(sys.argv[2])
+    if proto < 0:
+        raise ValueError("No protocol with name " + sys.argv[2])
+    selector = " where proto = :proto"
+else:
+    proto = -1
+    selector = ""
+
+c.execute(
+    "select tstamp, imei, peeraddr, proto, packet from events" + selector,
+    {"proto": proto},
+)
+
+for tstamp, imei, peeraddr, proto, packet in c:
+    if len(packet) > packet[0] + 1:
+        print(
+            "proto",
+            packet[1],
+            "datalen",
+            len(packet),
+            "msg.length",
+            packet[0],
+            file=sys.stderr,
+        )
+    msg = parse_message(packet)
+    print(
+        datetime.fromtimestamp(tstamp).astimezone(tz=timezone.utc).isoformat(),
+        imei,
+        peeraddr,
+        msg,
+    )