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new: IKCP_FASTACK_CONSERVE

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skywind3000
2019-08-05 16:13:56 +08:00
parent 1a3773881a
commit 3a9196b1b7
2 changed files with 18 additions and 4 deletions
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20
ikcp.c
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@@ -604,7 +604,7 @@ static void ikcp_parse_una(ikcpcb *kcp, IUINT32 una)
}
}
static void ikcp_parse_fastack(ikcpcb *kcp, IUINT32 sn)
static void ikcp_parse_fastack(ikcpcb *kcp, IUINT32 sn, IUINT32 ts)
{
struct IQUEUEHEAD *p, *next;
@@ -618,7 +618,12 @@ static void ikcp_parse_fastack(ikcpcb *kcp, IUINT32 sn)
break;
}
else if (sn != seg->sn) {
#ifndef IKCP_FASTACK_CONSERVE
seg->fastack++;
#else
if (_itimediff(ts, seg->ts) >= 0)
seg->fastack++;
#endif
}
}
}
@@ -742,7 +747,7 @@ void ikcp_parse_data(ikcpcb *kcp, IKCPSEG *newseg)
int ikcp_input(ikcpcb *kcp, const char *data, long size)
{
IUINT32 prev_una = kcp->snd_una;
IUINT32 maxack = 0;
IUINT32 maxack = 0, latest_ts = 0;
int flag = 0;
if (ikcp_canlog(kcp, IKCP_LOG_INPUT)) {
@@ -791,9 +796,18 @@ int ikcp_input(ikcpcb *kcp, const char *data, long size)
if (flag == 0) {
flag = 1;
maxack = sn;
latest_ts = ts;
} else {
if (_itimediff(sn, maxack) > 0) {
#ifndef IKCP_FASTACK_CONSERVE
maxack = sn;
latest_ts = ts;
#else
if (_itimediff(ts, latest_ts) > 0) {
maxack = sn;
latest_ts = ts;
}
#endif
}
}
if (ikcp_canlog(kcp, IKCP_LOG_IN_ACK)) {
@@ -853,7 +867,7 @@ int ikcp_input(ikcpcb *kcp, const char *data, long size)
}
if (flag != 0) {
ikcp_parse_fastack(kcp, maxack);
ikcp_parse_fastack(kcp, maxack, latest_ts);
}
if (_itimediff(kcp->snd_una, prev_una) > 0) {