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MINOR: htx: Add a flag on HTX message to report processing errors

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This new flag may be used to report unexpected error because of not well
formatted HTX messages (not related to a parsing error) or our incapactity to
handle the processing because we reach a limit (ressource exhaustion, too big
headers...). It should result to an error 500 returned to the client when
applicable.
This commit is contained in:
Christopher Faulet 2019-09-06 19:08:27 +02:00
parent 4a2ffe6ae9
commit 505adfca51
1 changed files with 4 additions and 2 deletions
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6
include/common/htx.h
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@ -144,7 +144,8 @@
/* HTX flags */
#define HTX_FL_NONE 0x00000000
#define HTX_FL_PARSING_ERROR 0x00000001 /* Set when a parsing error occurred */
#define HTX_FL_UPGRADE 0x00000002 /* Set when an upgrade is in progress */
#define HTX_FL_PROCESSING_ERROR 0x00000002 /* Set when a processing error occurred */
#define HTX_FL_UPGRADE 0x00000004 /* Set when an upgrade is in progress */
/* HTX block's type (max 15). */
@ -753,7 +754,8 @@ static inline struct htx *htx_from_buf(struct buffer *buf)
/* Update <buf> accordingly to the HTX message <htx> */
static inline void htx_to_buf(struct htx *htx, struct buffer *buf)
{
if ((htx->head == -1) && !(htx->flags & (HTX_FL_PARSING_ERROR|HTX_FL_UPGRADE))) {
if ((htx->head == -1) &&
!(htx->flags & (HTX_FL_PARSING_ERROR|HTX_FL_PROCESSING_ERROR|HTX_FL_UPGRADE))) {
htx_reset(htx);
b_set_data(buf, 0);
}