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odyssey
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Connect to server only when client have pending data 

Currently we attach to server right after connection. This creates some
troubles especially in session pooling. With this commit we only attach
to server connection when at least one byte of client data arrived.
This commit is contained in:
Andrey 2020-01-13 23:39:52 +05:00 committed by kirill reshke
parent 465577dca0
commit b49213e066
1 changed files with 14 additions and 0 deletions
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14
sources/relay.h
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@ -246,6 +246,14 @@ od_relay_process(od_relay_t *relay, int *progress, char *data, int size)
return OD_OK;
}
static inline bool
od_relay_data_pending(od_relay_t *relay)
{
char *current = od_readahead_pos_read(&relay->src->readahead);
char *end = od_readahead_pos(&relay->src->readahead);
return current < end;
}
static inline od_status_t
od_relay_pipeline(od_relay_t *relay)
{
@ -326,6 +334,12 @@ od_relay_step(od_relay_t *relay)
if (machine_cond_try(relay->src->on_read))
{
if (relay->dst == NULL) {
rc = od_relay_read(relay);
if (rc != OD_OK)
return rc;
if (!od_relay_data_pending(relay))
return OD_OK;
/* signal to retry on read logic */
machine_cond_signal(relay->src->on_read);
return OD_ATTACH;