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improved tcp connection initiation

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This commit is contained in:
robert 2023-08-21 10:22:53 -04:00
parent e7459d91f9
commit a4f14b0ddf
2 changed files with 4 additions and 4 deletions
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4
mongoose.c
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@ -4501,13 +4501,13 @@ static void rx_tcp(struct mg_tcpip_if *ifp, struct pkt *pkt) {
#if 0
MG_INFO(("%lu %hhu %d", c ? c->id : 0, pkt->tcp->flags, (int) pkt->pay.len));
#endif
if (c != NULL && c->is_connecting && pkt->tcp->flags & (TH_SYN | TH_ACK)) {
if (c != NULL && c->is_connecting && pkt->tcp->flags == (TH_SYN | TH_ACK)) {
s->seq = mg_ntohl(pkt->tcp->ack), s->ack = mg_ntohl(pkt->tcp->seq) + 1;
tx_tcp_pkt(ifp, pkt, TH_ACK, pkt->tcp->ack, NULL, 0);
c->is_connecting = 0; // Client connected
settmout(c, MIP_TTYPE_KEEPALIVE);
mg_call(c, MG_EV_CONNECT, NULL); // Let user know
} else if (c != NULL && c->is_connecting) {
} else if (c != NULL && c->is_connecting && pkt->tcp->flags != TH_ACK) {
// mg_hexdump(pkt->raw.ptr, pkt->raw.len);
tx_tcp_pkt(ifp, pkt, TH_RST | TH_ACK, pkt->tcp->ack, NULL, 0);
} else if (c != NULL && pkt->tcp->flags & TH_RST) {

4
src/net_builtin.c
View File

@ -677,13 +677,13 @@ static void rx_tcp(struct mg_tcpip_if *ifp, struct pkt *pkt) {
#if 0
MG_INFO(("%lu %hhu %d", c ? c->id : 0, pkt->tcp->flags, (int) pkt->pay.len));
#endif
if (c != NULL && c->is_connecting && pkt->tcp->flags & (TH_SYN | TH_ACK)) {
if (c != NULL && c->is_connecting && pkt->tcp->flags == (TH_SYN | TH_ACK)) {
s->seq = mg_ntohl(pkt->tcp->ack), s->ack = mg_ntohl(pkt->tcp->seq) + 1;
tx_tcp_pkt(ifp, pkt, TH_ACK, pkt->tcp->ack, NULL, 0);
c->is_connecting = 0; // Client connected
settmout(c, MIP_TTYPE_KEEPALIVE);
mg_call(c, MG_EV_CONNECT, NULL); // Let user know
} else if (c != NULL && c->is_connecting) {
} else if (c != NULL && c->is_connecting && pkt->tcp->flags != TH_ACK) {
// mg_hexdump(pkt->raw.ptr, pkt->raw.len);
tx_tcp_pkt(ifp, pkt, TH_RST | TH_ACK, pkt->tcp->ack, NULL, 0);
} else if (c != NULL && pkt->tcp->flags & TH_RST) {