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hole punch work

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This commit is contained in:
John Smith 2022-07-06 14:12:28 -04:00
parent 48cd02c39d
commit f8c7dba1cf
1 changed files with 8 additions and 7 deletions
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15
veilid-core/src/network_manager/mod.rs
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@ -718,7 +718,6 @@ impl NetworkManager {
let routing_table = self.routing_table();
// Get our network class and protocol config and node id
let our_node_id = routing_table.node_id();
let our_network_class = self.get_network_class().unwrap_or(NetworkClass::Invalid);
let our_protocol_config = self.get_protocol_config().unwrap();
@ -913,18 +912,13 @@ impl NetworkManager {
data: Vec<u8>,
) -> Result<(), String> {
// Ensure we are filtered down to UDP (the only hole punch protocol supported today)
assert!(relay_nr
.filter_ref()
.map(|dif| dif.protocol_set == ProtocolSet::only(ProtocolType::UDP))
.unwrap_or_default());
assert!(target_nr
.filter_ref()
.map(|dif| dif.protocol_set == ProtocolSet::only(ProtocolType::UDP))
.unwrap_or_default());
// Build a return receipt for the signal
let receipt_timeout =
ms_to_us(self.config.get().network.reverse_connection_receipt_time_ms);
let receipt_timeout = ms_to_us(self.config.get().network.hole_punch_receipt_time_ms);
let (receipt, eventual_value) = self
.generate_single_shot_receipt(receipt_timeout, [])
.map_err(map_to_string)?;
@ -1131,6 +1125,13 @@ impl NetworkManager {
// Network accounting
self.stats_packet_rcvd(descriptor.remote_address().to_ip_addr(), data.len() as u64);
// If this is a zero length packet, just drop it, because these are used for hole punching
// and possibly other low-level network connectivity tasks and will never require
// more processing or forwarding
if data.len() == 0 {
return Ok(true);
}
// Ensure we can read the magic number
if data.len() < 4 {
return Err("short packet".to_owned());