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BUG/MINOR: lua: set buffer if it is nnot avalaible.

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Check if the buffer is avalaible because HAProxy doesn't allocate
the request buffer if its not required. Sometimes, the Lua need to
write some data to the server before that the client send his data.
This commit is contained in:
Thierry FOURNIER 2015-03-05 17:06:12 +01:00 committed by Willy Tarreau
parent bd1f1325e1
commit 3e3a608f19
1 changed files with 10 additions and 0 deletions
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10
src/hlua.c
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@ -2195,6 +2195,16 @@ __LJMP static int _hlua_channel_send(lua_State *L)
return 1; return 1;
} }
/* Check if the buffer is avalaible because HAProxy doesn't allocate
* the request buffer if its not required.
*/
if (chn->chn->buf->size == 0) {
if (!session_alloc_recv_buffer(chn->s, &chn->chn->buf)) {
chn->chn->prod->flags |= SI_FL_WAIT_ROOM;
WILL_LJMP(hlua_yieldk(L, 0, 0, _hlua_channel_send, TICK_ETERNITY, 0));
}
}
max = channel_recv_limit(chn->chn) - buffer_len(chn->chn->buf); max = channel_recv_limit(chn->chn) - buffer_len(chn->chn->buf);
if (max > len - l) if (max > len - l)
max = len - l; max = len - l;