Adolfo Reyna
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
#pragma once
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Connect to a WebSocket server.
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* @param host Server IP address (e.g. "192.168.68.126")
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* @param port Port number (e.g. 8642)
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* @param path WebSocket path (e.g. "/api/esp32/voice/ws")
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* @param device_id Unique device identifier
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* @param auth_key Hermes Bearer API key
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* @return Socket file descriptor on success, or -1 on failure
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*/
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int ws_connect(const char* host, int port, const char* path, const char* device_id, const char* auth_key);
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/**
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* Send a WebSocket frame.
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* @param fd Socket file descriptor
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* @param data Data payload to send
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* @param len Length of the data payload
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* @param binary True for binary frame, false for text frame
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* @return 0 on success, or -1 on failure
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*/
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int ws_send(int fd, const uint8_t* data, size_t len, bool binary);
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/**
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* Receive a WebSocket frame.
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* @param fd Socket file descriptor
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* @param out_opcode Pointer to store the received opcode (e.g. 0x01 text, 0x02 binary)
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* @param payload Buffer to store the received payload
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* @param max_len Maximum length of the payload buffer
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* @return Received payload length on success, -1 on connection failure, or -2 on buffer overflow
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*/
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int ws_recv(int fd, int* out_opcode, uint8_t* payload, size_t max_len);
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/**
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* Close a WebSocket connection.
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* @param fd Socket file descriptor
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*/
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void ws_close(int fd);
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/**
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* Send a WebSocket PONG frame.
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* @param fd Socket file descriptor
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* @param payload Payload to reflect
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* @param len Length of payload
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* @return 0 on success, or -1 on failure
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*/
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int ws_send_pong(int fd, const uint8_t* payload, size_t len);
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#ifdef __cplusplus
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}
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#endif
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