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ncbuf is a module which provide a non-contiguous buffer type implementation. This patch extracts some basic types related to it into a new file ncbuf_common.h. This patch will be useful to provide a new non-contiguous buffer alternative implementation based on a bitmap. This patch is not a bug fix. However, it is necessary for ncbmbuf implementation which will be required to fix a QUIC issue on CRYPTO frames parsing. This, it will be necessary to backport the current patch prior to the fix to come.
28 lines
966 B
C
28 lines
966 B
C
#ifndef _HAPROXY_NCBUF_COMMON_T_H
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#define _HAPROXY_NCBUF_COMMON_T_H
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#include <inttypes.h>
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/* ncb_sz_t is the basic type used in ncbuf to represent data and gap sizes.
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* Use a bigger type to extend the maximum data size supported in the buffer.
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* On the other hand, this also increases the minimal gap size which can
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* cause more rejection for add/delete operations.
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*/
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typedef uint32_t ncb_sz_t;
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enum ncb_ret {
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NCB_RET_OK = 0, /* no error */
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NCB_RET_GAP_SIZE, /* operation would create a too small gap */
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NCB_RET_DATA_REJ, /* operation would overwrite data with different one */
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};
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/* Define how insert is conducted in regards with already stored data. */
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enum ncb_add_mode {
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NCB_ADD_PRESERVE, /* keep the already stored data and only insert in gaps */
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NCB_ADD_OVERWRT, /* overwrite old data with new ones */
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NCB_ADD_COMPARE, /* compare before insert : if new data are different do not proceed */
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};
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#endif /* _HAPROXY_NCBUF_COMMON_T_H */
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