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Trace the TCP socket acknowledging incoming segment.

This commit is contained in:
whitequark 2017-12-18 12:47:42 +00:00
parent 05677dbd76
commit 278bb4b2c9
1 changed files with 6 additions and 4 deletions
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10
src/socket/tcp.rs
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@ -1166,6 +1166,8 @@ impl<'a> TcpSocket<'a> {
// Note that we change the transmitter state here.
// This is fine because smoltcp assumes that it can always transmit zero or one
// packets for every packet it receives.
net_trace!("{}:{}:{}: acknowledging incoming segment",
self.meta.handle, self.local_endpoint, self.remote_endpoint);
self.remote_last_ack = Some(self.remote_seq_no + self.rx_buffer.len());
Ok(Some(self.ack_reply(ip_repr, &repr)))
} else {
@ -1246,19 +1248,19 @@ impl<'a> TcpSocket<'a> {
// Decide whether we're sending a packet.
if self.seq_to_transmit() {
// If we have data to transmit and it fits into partner's window, do it.
net_trace!("{}:{}:{}: will send",
net_trace!("{}:{}:{}: outgoing segment will send data or flags",
self.meta.handle, self.local_endpoint, self.remote_endpoint);
} else if self.ack_to_transmit() {
// If we have data to acknowledge, do it.
net_trace!("{}:{}:{}: will acknowledge",
net_trace!("{}:{}:{}: outgoing segment will acknowledge",
self.meta.handle, self.local_endpoint, self.remote_endpoint);
} else if self.window_to_update() {
// If we have window length increase to advertise, do it.
net_trace!("{}:{}:{}: will update window",
net_trace!("{}:{}:{}: outgoing segment will update window",
self.meta.handle, self.local_endpoint, self.remote_endpoint);
} else if self.state == State::Closed {
// If we need to abort the connection, do it.
net_trace!("{}:{}:{}: will abort connection",
net_trace!("{}:{}:{}: outgoing segment will abort connection",
self.meta.handle, self.local_endpoint, self.remote_endpoint);
} else if self.timer.should_retransmit(timestamp).is_some() {
// If we have packets to retransmit, do it.