mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-04-29 15:58:47 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

TCP: Start working on auto-closing connections when we get FIN.

Browse source
This commit is contained in:
Andreas Kling 2019-03-14 15:23:32 +01:00
parent 4629272135
commit 25e521f510
Notes: sideshowbarker 2024-07-19 15:03:22 +09:00
6 changed files with 35 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

10
Kernel/NetworkTask.cpp
View file

@ -287,7 +287,7 @@ void handle_tcp(const EthernetFrameHeader& eth, int frame_size)
ASSERT(socket->source_port() == tcp_packet.destination_port());
if (tcp_packet.ack_number() != socket->sequence_number()) {
kprintf("handle_tcp: ack/seq mismatch: got %u, wanted %u\n",tcp_packet.ack_number(), socket->sequence_number());
kprintf("handle_tcp: ack/seq mismatch: got %u, wanted %u\n", tcp_packet.ack_number(), socket->sequence_number());
return;
}
@ -300,6 +300,14 @@ void handle_tcp(const EthernetFrameHeader& eth, int frame_size)
return;
}
if (tcp_packet.has_fin()) {
kprintf("handle_tcp: Got FIN, payload_size=%u\n", payload_size);
socket->set_ack_number(tcp_packet.sequence_number() + payload_size + 1);
socket->send_tcp_packet(TCPFlags::FIN | TCPFlags::ACK);
socket->set_state(TCPSocket::State::Disconnecting);
return;
}
socket->set_ack_number(tcp_packet.sequence_number() + payload_size);
kprintf("Got packet with ack_no=%u, seq_no=%u, payload_size=%u, acking it with new ack_no=%u, seq_no=%u\n",
tcp_packet.ack_number(),