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MINOR: mux-h1: Write last chunk and trailers if not found in the HTX message

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For chunked messages, during output process, the mux is now able to write the
last empty chunk and empty trailers when corrsponding blocks have not been found
in the HTX message. It is handy for filters changing a not-chunked message into
a chunked one (like the compression filter).
This commit is contained in:
Christopher Faulet 2018-11-20 18:21:43 +01:00 committed by Willy Tarreau
parent a1692f51a5
commit 3218821b70
1 changed files with 21 additions and 4 deletions
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25
src/mux_h1.c
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@ -62,7 +62,8 @@
#define H1S_F_NOT_FIRST 0x00000080 /* The H1 stream is not the first one */
#define H1S_F_BUF_FLUSH 0x00000100 /* Flush input buffer and don't read more data */
#define H1S_F_SPLICED_DATA 0x00000200 /* Set when the kernel splicing is in used */
#define H1S_F_HAVE_EOD 0x00000400 /* Set during input/output process to know the last empty chunk was processed */
#define H1S_F_HAVE_TLR 0x00000800 /* Set during input/output process to know the trailers were processed */
/* H1 connection descriptor */
struct h1c {
@ -973,7 +974,6 @@ static size_t h1_process_data(struct h1s *h1s, struct h1m *h1m, struct htx *htx,
if (!htx_add_trailer(htx, ist2(b_peek(buf, *ofs), ret)))
goto end;
max -= ret;
*ofs += ret;
total += ret;
@ -1299,18 +1299,35 @@ static size_t h1_process_output(struct h1c *h1c, struct buffer *buf, size_t coun
case HTX_BLK_EOD:
if (!chunk_memcat(tmp, "0\r\n", 3))
goto copy;
h1s->flags |= H1S_F_HAVE_EOD;
h1m->state = H1_MSG_TRAILERS;
break;
case HTX_BLK_TLR:
if (!(h1s->flags & H1S_F_HAVE_EOD)) {
if (!chunk_memcat(tmp, "0\r\n", 3))
goto copy;
h1s->flags |= H1S_F_HAVE_EOD;
}
v = htx_get_blk_value(chn_htx, blk);
if (!htx_trailer_to_str(v, tmp))
goto copy;
h1s->flags |= H1S_F_HAVE_TLR;
break;
case HTX_BLK_EOM:
/* if ((h1m->flags & H1_MF_CHNK) && !chunk_memcat(tmp, "\r\n", 2)) */
/* goto copy; */
if ((h1m->flags & H1_MF_CHNK)) {
if (!(h1s->flags & H1S_F_HAVE_EOD)) {
if (!chunk_memcat(tmp, "0\r\n", 3))
goto copy;
h1s->flags |= H1S_F_HAVE_EOD;
}
if (!(h1s->flags & H1S_F_HAVE_TLR)) {
if (!chunk_memcat(tmp, "\r\n", 2))
goto copy;
h1s->flags |= H1S_F_HAVE_TLR;
}
}
h1m->state = H1_MSG_DONE;
break;