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MINOR: hq-interop: encode request from HTX for backend side support

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Implement transcoding of a HTX request into HTTP/0.9. This protocol is a
simplified version of HTTP. Request only supports GET method without any
header. As such, only a request line is written during snd_buf
operation.
This commit is contained in:
Amaury Denoyelle 2025-06-11 11:45:40 +02:00
parent a286d5476b
commit 603afd495b
1 changed files with 20 additions and 2 deletions
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22
src/hq_interop.c
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@ -6,6 +6,7 @@
#include <haproxy/dynbuf.h>
#include <haproxy/htx.h>
#include <haproxy/http.h>
#include <haproxy/istbuf.h>
#include <haproxy/mux_quic.h>
#include <haproxy/qmux_http.h>
#include <haproxy/qmux_trace.h>
@ -160,6 +161,7 @@ static size_t hq_interop_snd_buf(struct qcs *qcs, struct buffer *buf,
enum htx_blk_type btype;
struct htx *htx = NULL;
struct htx_blk *blk;
struct htx_sl *sl = NULL;
int32_t idx;
uint32_t bsize, fsize;
struct buffer *res = NULL;
@ -175,9 +177,25 @@ static size_t hq_interop_snd_buf(struct qcs *qcs, struct buffer *buf,
btype = htx_get_blk_type(blk);
fsize = bsize = htx_get_blksz(blk);
BUG_ON(btype == HTX_BLK_REQ_SL);
switch (btype) {
case HTX_BLK_REQ_SL:
res = qcc_get_stream_txbuf(qcs, &err, 0);
if (!res) {
BUG_ON(err); /* TODO */
goto end;
}
BUG_ON_HOT(sl); /* Only one start-line expected */
sl = htx_get_blk_ptr(htx, blk);
/* Only GET supported for HTTP/0.9. */
b_putist(res, ist("GET "));
b_putist(res, htx_sl_req_uri(sl));
b_putist(res, ist(" HTTP/0.9\r\n"));
htx_remove_blk(htx, blk);
total += fsize;
break;
case HTX_BLK_DATA:
res = qcc_get_stream_txbuf(qcs, &err, 0);
if (!res) {