From 39c17437de241a70545c7d522dfbc60c8ca16e9d Mon Sep 17 00:00:00 2001
From: redfast00 <redfast00@gmail.com>
Date: Tue, 15 Mar 2022 13:46:33 +0100
Subject: [PATCH] Remove old debugserver

---
 python/debugserver.py | 63 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 python/debugserver.py

diff --git a/python/debugserver.py b/python/debugserver.py
new file mode 100644
index 0000000..f9c2261
--- /dev/null
+++ b/python/debugserver.py
@@ -0,0 +1,63 @@
+from threading import Thread
+from flask import Flask, jsonify, send_file
+from time import sleep
+from dataclasses import dataclass
+from datetime import datetime
+import serial
+import uuid
+from collections import deque
+import sys
+from obus import Message
+
+app = Flask(__name__)
+
+server_id = uuid.uuid4()
+print("Server ID: ", server_id)
+
+@dataclass
+class SharedData:
+    messages: deque
+    last_message_index: int
+
+# Keep this the same as max_messages on the client!
+max_message_cache = 200
+shared_data = SharedData(deque(maxlen=max_message_cache), -1)
+
+
+def serial_reader(serialport, shared_data):
+    with serial.Serial(serialport, 115200, timeout=0.05) as ser:
+        while True:
+            line = ser.read(12)
+            if not line:
+                continue
+            print(line)
+            if len(line) == 12:
+                if line == b'BEGIN START\n' or line[0] > 0b111:
+                    continue
+                sender = (int(line[0]) << 8) + int(line[1])
+                size = int(line[2])
+                message = line[3:3+size]
+                received = Message(message, sender, datetime.now())
+                shared_data.messages.append(received.serialize())
+                shared_data.last_message_index += 1
+                print(shared_data.last_message_index)
+
+@app.route('/')
+def index():
+    return send_file('static/debugger.html')
+
+@app.route('/<last_received>/api.json')
+def api(last_received):
+    last_received = int(last_received)
+    if last_received < shared_data.last_message_index - len(shared_data.messages):
+        return jsonify({"server_id": server_id, "newest_msg": shared_data.last_message_index, "messages": list(shared_data.messages)})
+    else:
+        return jsonify({"server_id": server_id, "newest_msg": shared_data.last_message_index, "messages": list(shared_data.messages)[len(shared_data.messages) - (shared_data.last_message_index - last_received):]})
+
+if __name__ == '__main__':
+    if len(sys.argv) != 2:
+        print("Usage: python3 debugserver.py [serial port]")
+        sys.exit()
+    thread = Thread(target=serial_reader, args=(sys.argv[1], shared_data, ))
+    thread.start()
+    app.run(debug=False, host='0.0.0.0')