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Signed-off-by: Peter Siegmund <developer@mars3142.org>

firmware/components/api-server/include/websocket_handler.h

@@ -0,0 +1,60 @@
+#pragma once
+
+#include <esp_http_server.h>
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/**
+ * @brief Maximum number of concurrent WebSocket connections
+ */
+#define WS_MAX_CLIENTS CONFIG_API_SERVER_MAX_WS_CLIENTS
+
+    /**
+     * @brief Initialize WebSocket handler
+     *
+     * @param server HTTP server handle
+     * @return esp_err_t ESP_OK on success
+     */
+    esp_err_t websocket_handler_init(httpd_handle_t server);
+
+    /**
+     * @brief WebSocket request handler
+     *
+     * @param req HTTP request
+     * @return esp_err_t ESP_OK on success
+     */
+    esp_err_t websocket_handler(httpd_req_t *req);
+
+    /**
+     * @brief Send message to a specific WebSocket client
+     *
+     * @param server HTTP server handle
+     * @param fd Socket file descriptor
+     * @param message Message to send
+     * @return esp_err_t ESP_OK on success
+     */
+    esp_err_t websocket_send(httpd_handle_t server, int fd, const char *message);
+
+    /**
+     * @brief Broadcast message to all connected WebSocket clients
+     *
+     * @param server HTTP server handle
+     * @param message Message to broadcast
+     * @return esp_err_t ESP_OK on success
+     */
+    esp_err_t websocket_broadcast(httpd_handle_t server, const char *message);
+
+    /**
+     * @brief Get number of connected WebSocket clients
+     *
+     * @return int Number of connected clients
+     */
+    int websocket_get_client_count(void);
+
+#ifdef __cplusplus
+}
+#endif