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

Security advisory: This version has known vulnerabilities. View advisories
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hackney c_src lsquic src liblsquic lsquic_packet_resize.h
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c_src/lsquic/src/liblsquic/lsquic_packet_resize.h 

/* Copyright (c) 2017 - 2022 LiteSpeed Technologies Inc.  See LICENSE. */

/*

 * lsquic_packet_resize.h -- functions to resize packets

 */



#ifndef LSQUIC_PACKET_RESIZE_H

#define LSQUIC_PACKET_RESIZE_H 1



struct lsquic_packet_out;

struct lsquic_conn;

struct frame_rec;

struct lsquic_engine_public;



struct packet_resize_if

{

    /* Get next packet to convert */

    struct lsquic_packet_out *

                      (*pri_next_packet)(void *ctx);

    /* Discard packet after it was converted */

    void              (*pri_discard_packet)(void *ctx, struct lsquic_packet_out *);

    /* Get new packet to write frames to */

    struct lsquic_packet_out *

                      (*pri_new_packet)(void *ctx);

};



struct packet_resize_ctx

{

    const struct lsquic_conn        *prc_conn;

    void                            *prc_data;      /* First arg to prc_pri */

    const struct packet_resize_if   *prc_pri;

    struct lsquic_engine_public     *prc_enpub;

    const struct frame_rec          *prc_cur_frec;

    struct lsquic_packet_out        *prc_cur_packet;

    struct data_frame                prc_data_frame;

    struct packet_out_frec_iter      prc_pofi;

    enum {

        PRC_ERROR       = 1 << 0,

        PRC_NEW_FREC    = 1 << 1,

    }                                prc_flags;

};



void

lsquic_packet_resize_init (struct packet_resize_ctx *,

    struct lsquic_engine_public *, struct lsquic_conn *, void *ctx,

    const struct packet_resize_if *);



struct lsquic_packet_out *

lsquic_packet_resize_next (struct packet_resize_ctx *);



#define lsquic_packet_resize_is_error(prctx_) \

                                    (!!((prctx_)->prc_flags & PRC_ERROR))



#endif