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Merge branch 'master' of github.com:cesanta/mongoose

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cpq committed 2023-07-18 17:47:02 +01:00
2 parents c49b472f92 0a6b1b9418
commit e1c91b5763
3 files changed
+173 -8
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src/tcpip/tcpip.c
+8 -4
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@@ -579,9 +579,11 @@ static void read_conn(struct mg_connection *c, struct pkt *pkt) {
if (s->ack == ack) {
MG_VERBOSE(("ignoring duplicate pkt"));
} else {
// TODO(cpq): peer sent us SEQ which we don't expect. Retransmit
// rather than close this connection
mg_error(c, "SEQ != ACK: %x %x %x", seq, s->ack, ack);
uint32_t rem_ip;
memcpy(&rem_ip, c->rem.ip, sizeof(uint32_t));
MG_DEBUG(("SEQ != ACK: %x %x %x", seq, s->ack, ack));
tx_tcp((struct mg_tcpip_if *) c->mgr->priv, s->mac, rem_ip, TH_ACK, c->loc.port,
c->rem.port, mg_htonl(s->seq), mg_htonl(s->ack), "", 0);
}
} else if (io->size - io->len < pkt->pay.len &&
!mg_iobuf_resize(io, io->len + pkt->pay.len)) {
@@ -600,8 +602,10 @@ static void read_conn(struct mg_connection *c, struct pkt *pkt) {
s->ack = (uint32_t) (mg_htonl(pkt->tcp->seq) + pkt->pay.len);
#if 0
// Send ACK immediately
uint32_t rem_ip;
memcpy(&rem_ip, c->rem.ip, sizeof(uint32_t));
MG_DEBUG((" imm ACK", c->id, mg_htonl(pkt->tcp->seq), s->ack));
tx_tcp((struct mg_tcpip_if *) c->mgr->priv, c->rem.ip, TH_ACK, c->loc.port,
tx_tcp((struct mg_tcpip_if *) c->mgr->priv, s->mac, rem_ip, TH_ACK, c->loc.port,
c->rem.port, mg_htonl(s->seq), mg_htonl(s->ack), "", 0);
#else
// if not already running, setup a timer to send an ACK later