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Simple HTTP client with HTTP/1.1, HTTP/2, and HTTP/3 support

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hackney c_src atoms.h
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c_src/atoms.h 

/**

 * atoms.h - Atom definitions for hackney QUIC NIF

 *

 * This file is part of hackney released under the Apache 2 license.

 * See the NOTICE for more information.

 *

 * Copyright (c) 2024-2026 Benoit Chesneau

 */



#ifndef HACKNEY_QUIC_ATOMS_H

#define HACKNEY_QUIC_ATOMS_H



#include <erl_nif.h>



/* Atom declarations - extern to avoid multiple definitions */

extern ERL_NIF_TERM ATOM_OK;

extern ERL_NIF_TERM ATOM_ERROR;

extern ERL_NIF_TERM ATOM_TRUE;

extern ERL_NIF_TERM ATOM_FALSE;

extern ERL_NIF_TERM ATOM_UNDEFINED;



/* QUIC-specific atoms */

extern ERL_NIF_TERM ATOM_QUIC;

extern ERL_NIF_TERM ATOM_CONNECTED;

extern ERL_NIF_TERM ATOM_CLOSED;

extern ERL_NIF_TERM ATOM_TRANSPORT_ERROR;

extern ERL_NIF_TERM ATOM_STREAM_HEADERS;

extern ERL_NIF_TERM ATOM_STREAM_DATA;

extern ERL_NIF_TERM ATOM_STREAM_OPENED;

extern ERL_NIF_TERM ATOM_STREAM_RESET;

extern ERL_NIF_TERM ATOM_STOP_SENDING;

extern ERL_NIF_TERM ATOM_GOAWAY;

extern ERL_NIF_TERM ATOM_SESSION_TICKET;

extern ERL_NIF_TERM ATOM_SEND_READY;

extern ERL_NIF_TERM ATOM_TIMER;



/* Error atoms */

extern ERL_NIF_TERM ATOM_BLOCKED;

extern ERL_NIF_TERM ATOM_NOT_CONNECTED;

extern ERL_NIF_TERM ATOM_BADARG;

extern ERL_NIF_TERM ATOM_ENOMEM;

extern ERL_NIF_TERM ATOM_TIMEOUT;

extern ERL_NIF_TERM ATOM_CLOSED_BY_PEER;

extern ERL_NIF_TERM ATOM_CONNECTION_REFUSED;

extern ERL_NIF_TERM ATOM_TLS_ERROR;

extern ERL_NIF_TERM ATOM_PROTOCOL_ERROR;



/* Connection state atoms */

extern ERL_NIF_TERM ATOM_IDLE;

extern ERL_NIF_TERM ATOM_HANDSHAKING;

extern ERL_NIF_TERM ATOM_DRAINING;



/* Initialize all atoms - call from nif_load */

static inline void init_atoms(ErlNifEnv *env) {

    ATOM_OK = enif_make_atom(env, "ok");

    ATOM_ERROR = enif_make_atom(env, "error");

    ATOM_TRUE = enif_make_atom(env, "true");

    ATOM_FALSE = enif_make_atom(env, "false");

    ATOM_UNDEFINED = enif_make_atom(env, "undefined");



    ATOM_QUIC = enif_make_atom(env, "quic");

    ATOM_CONNECTED = enif_make_atom(env, "connected");

    ATOM_CLOSED = enif_make_atom(env, "closed");

    ATOM_TRANSPORT_ERROR = enif_make_atom(env, "transport_error");

    ATOM_STREAM_HEADERS = enif_make_atom(env, "stream_headers");

    ATOM_STREAM_DATA = enif_make_atom(env, "stream_data");

    ATOM_STREAM_OPENED = enif_make_atom(env, "stream_opened");

    ATOM_STREAM_RESET = enif_make_atom(env, "stream_reset");

    ATOM_STOP_SENDING = enif_make_atom(env, "stop_sending");

    ATOM_GOAWAY = enif_make_atom(env, "goaway");

    ATOM_SESSION_TICKET = enif_make_atom(env, "session_ticket");

    ATOM_SEND_READY = enif_make_atom(env, "send_ready");

    ATOM_TIMER = enif_make_atom(env, "timer");



    ATOM_BLOCKED = enif_make_atom(env, "blocked");

    ATOM_NOT_CONNECTED = enif_make_atom(env, "not_connected");

    ATOM_BADARG = enif_make_atom(env, "badarg");

    ATOM_ENOMEM = enif_make_atom(env, "enomem");

    ATOM_TIMEOUT = enif_make_atom(env, "timeout");

    ATOM_CLOSED_BY_PEER = enif_make_atom(env, "closed_by_peer");

    ATOM_CONNECTION_REFUSED = enif_make_atom(env, "connection_refused");

    ATOM_TLS_ERROR = enif_make_atom(env, "tls_error");

    ATOM_PROTOCOL_ERROR = enif_make_atom(env, "protocol_error");



    ATOM_IDLE = enif_make_atom(env, "idle");

    ATOM_HANDSHAKING = enif_make_atom(env, "handshaking");

    ATOM_DRAINING = enif_make_atom(env, "draining");

}



#endif /* HACKNEY_QUIC_ATOMS_H */