1

wifi_server.py

@@ -0,0 +1,162 @@
+import network
+import socket
+import time
+import json
+
+from dotenv import load_env
+
+# ==== НАСТРОЙКИ ====
+TRANSMIT_PIN = 19
+# ====================
+
+
+def connect_wifi(ssid, password, timeout_s=15):
+    wlan = network.WLAN(network.STA_IF)
+    wlan.active(True)
+    if not wlan.isconnected():
+        print(f"Подключение к WiFi '{ssid}'...")
+        wlan.connect(ssid, password)
+        start = time.time()
+        while not wlan.isconnected():
+            if time.time() - start > timeout_s:
+                print("Не удалось подключиться к WiFi (таймаут)")
+                return None
+            time.sleep(0.5)
+    ip = wlan.ifconfig()[0]
+    print(f"WiFi подключен. IP адрес: {ip}")
+    return ip
+
+
+def load_codes(filename="codes.json"):
+    try:
+        with open(filename, "r") as f:
+            return json.load(f)
+    except OSError:
+        return {}
+
+
+def send_ir_code(name, pin_num=TRANSMIT_PIN):
+    from transmit import send_code
+    send_code(name, pin_num=pin_num)
+
+
+def url_decode(s):
+    """Простейший url-decode для параметров запроса (без внешних зависимостей)."""
+    s = s.replace("+", " ")
+    result = ""
+    i = 0
+    while i < len(s):
+        if s[i] == "%" and i + 2 < len(s):
+            try:
+                result += chr(int(s[i + 1:i + 3], 16))
+                i += 3
+                continue
+            except ValueError:
+                pass
+        result += s[i]
+        i += 1
+    return result
+
+
+def parse_query(path):
+    """Возвращает (route, {param: value}) из строки вида /send?code=power"""
+    if "?" not in path:
+        return path, {}
+    route, qs = path.split("?", 1)
+    params = {}
+    for pair in qs.split("&"):
+        if "=" in pair:
+            k, v = pair.split("=", 1)
+            params[url_decode(k)] = url_decode(v)
+    return route, params
+
+
+def handle_request(path):
+    route, params = parse_query(path)
+
+    if route == "/send":
+        name = params.get("code")
+        if not name:
+            return 400, {"error": "укажите ?code=имя_кода"}
+        codes = load_codes()
+        if name not in codes:
+            return 404, {"error": f"код '{name}' не найден", "available": list(codes.keys())}
+        try:
+            send_ir_code(name)
+            return 200, {"status": "ok", "sent": name}
+        except Exception as e:
+            return 500, {"error": str(e)}
+
+    elif route == "/list":
+        codes = load_codes()
+        return 200, {"codes": list(codes.keys())}
+
+    elif route == "/":
+        return 200, {"status": "ESP32 IR сервер запущен", "endpoints": ["/list", "/send?code=ИМЯ"]}
+
+    else:
+        return 404, {"error": "неизвестный маршрут"}
+
+
+def run_server(ip):
+    addr = socket.getaddrinfo("0.0.0.0", 80)[0][-1]
+    s = socket.socket()
+    s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    s.bind(addr)
+    s.listen(1)
+    print(f"Сервер запущен: http://{ip}/")
+    print(f"Примеры: http://{ip}/list  |  http://{ip}/send?code=power")
+
+    while True:
+        try:
+            conn, client_addr = s.accept()
+            request = conn.recv(1024).decode("utf-8", "ignore")
+
+            # Парсим первую строку запроса: "GET /send?code=power HTTP/1.1"
+            first_line = request.split("\r\n", 1)[0]
+            parts = first_line.split(" ")
+            path = parts[1] if len(parts) > 1 else "/"
+
+            status, body = handle_request(path)
+            body_json = json.dumps(body)
+
+            status_text = {200: "OK", 400: "Bad Request", 404: "Not Found",
+                           500: "Internal Server Error"}.get(status, "OK")
+
+            response = (
+                f"HTTP/1.1 {status} {status_text}\r\n"
+                "Content-Type: application/json\r\n"
+                "Access-Control-Allow-Origin: *\r\n"
+                f"Content-Length: {len(body_json)}\r\n"
+                "Connection: close\r\n"
+                "\r\n"
+                f"{body_json}"
+            )
+            conn.send(response.encode())
+            conn.close()
+        except Exception as e:
+            print(f"Ошибка обработки запроса: {e}")
+            try:
+                conn.close()
+            except Exception:
+                pass
+
+
+def main():
+    env = load_env()
+    ssid = env.get("WIFI_SSID")
+    password = env.get("WIFI_PASSWORD")
+
+    if not ssid or not password:
+        print("Ошибка: заполните WIFI_SSID и WIFI_PASSWORD в .env")
+        return
+
+    ip = connect_wifi(ssid, password)
+    if ip:
+        run_server(ip)
+    else:
+        print("Сервер не запущен: нет WiFi")
+
+
+if __name__ == "__main__":
+    main()