/**

* @file stream_sender.h

* @brief UDP stream sender for CSI frames.

*/

#ifndef STREAM_SENDER_H

#define STREAM_SENDER_H

#include <stdint.h>

#include <stddef.h>

/**

* Initialize the UDP sender.

* Creates a UDP socket targeting the configured aggregator.

*

* @return 0 on success, -1 on error.

*/

int stream_sender_init(void);

/**

* Initialize the UDP sender with explicit IP and port.

* Used when configuration is loaded from NVS at runtime.

*

* @param ip Aggregator IP address string (e.g. "192.168.1.20").

* @param port Aggregator UDP port.

* @return 0 on success, -1 on error.

*/

int stream_sender_init_with(const char *ip, uint16_t port);

/**

* Send a serialized CSI frame over UDP.

*

* @param data Frame data buffer.

* @param len Length of data to send.

* @return Number of bytes sent, or -1 on error.

*/

int stream_sender_send(const uint8_t *data, size_t len);

/**

* Close the UDP sender socket.

*/

void stream_sender_deinit(void);

#endif /* STREAM_SENDER_H */