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/*
* Copyright (c) 2022 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SRC_PLUGINS_HTTP_HTTP_BUFFER_H_
#define SRC_PLUGINS_HTTP_HTTP_BUFFER_H_
#include <svm/svm_fifo.h>
#define HTTP_BUFFER_DATA_SZ 24
typedef enum http_buffer_type_
{
HTTP_BUFFER_FIFO,
HTTP_BUFFER_PTR,
} http_buffer_type_t;
typedef struct http_buffer_vft_ http_buffer_vft_t;
typedef struct http_buffer_
{
http_buffer_vft_t *vft;
u8 data[HTTP_BUFFER_DATA_SZ];
} http_buffer_t;
struct http_buffer_vft_
{
void (*init) (http_buffer_t *, void *data, u32 len);
void (*free) (http_buffer_t *);
svm_fifo_seg_t *(*get_segs) (http_buffer_t *, u32 max_len, u32 *n_segs);
int (*drain) (http_buffer_t *, u32 len);
u8 (*is_drained) (http_buffer_t *);
};
void http_buffer_init (http_buffer_t *hb, http_buffer_type_t type,
svm_fifo_t *f, u32 data_len);
static inline void
http_buffer_free (http_buffer_t *hb)
{
if (hb->vft)
hb->vft->free (hb);
}
static inline svm_fifo_seg_t *
http_buffer_get_segs (http_buffer_t *hb, u32 max_len, u32 *n_segs)
{
return hb->vft->get_segs (hb, max_len, n_segs);
}
static inline int
http_buffer_drain (http_buffer_t *hb, u32 len)
{
return hb->vft->drain (hb, len);
}
static inline u8
http_buffer_is_drained (http_buffer_t *hb)
{
return hb->vft->is_drained (hb);
}
#endif /* SRC_PLUGINS_HTTP_HTTP_BUFFER_H_ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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