continue to refactor

This commit is contained in:
John Smith
2021-12-21 22:20:55 -05:00
parent c0a42ac90c
commit 5826551763
22 changed files with 381 additions and 551 deletions

View File

@@ -31,7 +31,7 @@ pub struct BucketEntry {
pub(super) ref_count: u32,
min_max_version: Option<(u8, u8)>,
last_connection: Option<(ConnectionDescriptor, u64)>,
dial_info_entries: VecDeque<DialInfoEntry>,
dial_infos: Vec<DialInfo>,
stats_accounting: StatsAccounting,
peer_stats: PeerStats,
}
@@ -43,7 +43,7 @@ impl BucketEntry {
ref_count: 0,
min_max_version: None,
last_connection: None,
dial_info_entries: VecDeque::new(),
dial_infos: Vec::new(),
stats_accounting: StatsAccounting::new(),
peer_stats: PeerStats {
time_added: now,
@@ -56,145 +56,48 @@ impl BucketEntry {
}
}
pub fn add_dial_info(&mut self, dial_info: DialInfo) -> Result<(), String> {
let mut idx: Option<usize> = None;
for i in 0..self.dial_info_entries.len() {
if self.dial_info_entries[i].dial_info() == &dial_info {
idx = Some(i);
break;
}
}
match idx {
None => {
self.dial_info_entries
.push_front(DialInfoEntry::try_new(dial_info)?);
}
Some(idx) => {
let die = self.dial_info_entries.remove(idx).unwrap();
self.dial_info_entries.push_front(die);
}
}
Ok(())
pub fn update_dial_infos(&mut self, dial_infos: &[DialInfo]) {
self.dial_infos = dial_infos.to_vec();
self.dial_infos.sort();
}
pub fn best_dial_info(&self) -> Option<DialInfo> {
self.dial_info_entries
.front()
.map(|die| die.dial_info().clone())
}
pub fn filtered_dial_info<F>(&self, filter: F) -> Option<DialInfo>
pub fn first_filtered_dial_info<F>(&self, filter: F) -> Option<DialInfo>
where
F: Fn(&DialInfoEntry) -> bool,
F: Fn(&DialInfo) -> bool,
{
for die in &self.dial_info_entries {
if filter(die) {
return Some(die.dial_info().clone());
for di in &self.dial_infos {
if filter(di) {
return Some(di.clone());
}
}
None
}
pub fn dial_info_entries_as_ref(&self) -> &VecDeque<DialInfoEntry> {
&self.dial_info_entries
pub fn all_filtered_dial_infos<F>(&self, filter: F) -> Vec<DialInfo>
where
F: Fn(&DialInfo) -> bool,
{
let ret = Vec::new();
for di in &self.dial_infos {
if filter(di) {
ret.push(di.clone());
}
}
ret
}
pub fn dial_info(&self) -> Vec<DialInfo> {
self.dial_info_entries
.iter()
.map(|e| e.dial_info().clone())
.collect()
}
pub fn global_dial_info(&self) -> Vec<DialInfo> {
self.dial_info_entries
.iter()
.filter_map(|e| {
if e.is_public() {
Some(e.dial_info().clone())
} else {
None
}
})
.collect()
}
pub fn global_dial_info_for_protocol(&self, protocol_type: ProtocolType) -> Vec<DialInfo> {
self.dial_info_entries
.iter()
.filter_map(|e| {
if e.dial_info().protocol_type() != protocol_type {
None
} else if e.is_public() {
Some(e.dial_info().clone())
} else {
None
}
})
.collect()
}
pub fn local_dial_info(&self) -> Vec<DialInfo> {
self.dial_info_entries
.iter()
.filter_map(|e| {
if e.is_private() {
Some(e.dial_info().clone())
} else {
None
}
})
.collect()
}
pub fn local_dial_info_for_protocol(&mut self, protocol_type: ProtocolType) -> Vec<DialInfo> {
self.dial_info_entries
.iter_mut()
.filter_map(|e| {
if e.dial_info().protocol_type() != protocol_type {
None
} else if e.is_private() {
Some(e.dial_info().clone())
} else {
None
}
})
.collect()
pub fn dial_infos(&self) -> &[DialInfo] {
&self.dial_infos.clone()
}
pub fn get_peer_info(&self, key: DHTKey, scope: PeerScope) -> PeerInfo {
PeerInfo {
node_id: NodeId::new(key),
dial_infos: match scope {
PeerScope::All => self.dial_info(),
PeerScope::Global => self.global_dial_info(),
PeerScope::Local => self.local_dial_info(),
},
dial_infos: self.all_filtered_dial_infos(|di| di.matches_peer_scope(scope)),
}
}
pub fn set_last_connection(&mut self, last_connection: ConnectionDescriptor, timestamp: u64) {
self.last_connection = Some((last_connection, timestamp));
// sort the dialinfoentries by the last peer address if we have a match
// if one particular peer address is being used and matches a dialinfoentry
// then we should prefer it
for i in 0..self.dial_info_entries.len() {
let die = &mut self.dial_info_entries[i];
// see if we have a matching address
if RoutingTable::dial_info_peer_address_match(
die.dial_info(),
&self.last_connection.as_ref().unwrap().0.remote,
) {
// push the most recent dialinfo to the front
let dies = &mut self.dial_info_entries;
let die = dies.remove(i).unwrap();
dies.push_front(die);
break;
}
}
}
pub fn last_connection(&self) -> Option<ConnectionDescriptor> {

View File

@@ -1,60 +0,0 @@
use super::*;
#[derive(Debug, Clone)]
pub struct DialInfoEntry {
dial_info: DialInfo,
resolved_address: IpAddr,
}
impl DialInfoEntry {
pub fn try_new(dial_info: DialInfo) -> Result<Self, String> {
let addr = dial_info
.resolve()
.map_err(|e| format!("failed to resolve address: {:?}", e))?;
Ok(Self {
dial_info,
resolved_address: addr,
})
}
pub fn dial_info(&self) -> &DialInfo {
&self.dial_info
}
pub fn address(&self) -> IpAddr {
self.resolved_address
}
pub fn resolve(&mut self) -> Result<Vec<IpAddr, String> {
let addr = match self.dial_info.resolve() {
Ok(a) => a,
Err(_) => return Err("failed to resolve address".to_owned()),
};
self.resolved_address = addr;
Ok(addr)
}
pub fn matches_peer_scope(&self, scope: PeerScope) -> bool {
match scope {
PeerScope::All => true,
PeerScope::Global => self.is_public(),
PeerScope::Local => self.is_private(),
}
}
pub fn is_public(&self) -> bool {
ipaddr_is_global(&self.resolved_address)
}
pub fn is_private(&self) -> bool {
match self.resolved_address {
IpAddr::V4(a) => ipv4addr_is_private(&a),
IpAddr::V6(a) => ipv6addr_is_unicast_site_local(&a),
}
}
pub fn is_valid(&self) -> bool {
self.is_public() || self.is_private()
}
pub fn is_loopback(&self) -> bool {
ipaddr_is_loopback(&self.resolved_address)
}
}

View File

@@ -482,9 +482,7 @@ impl RoutingTable {
) -> Result<NodeRef, String> {
let nr = self.create_node_ref(node_id)?;
nr.operate(move |e| -> Result<(), String> {
for di in dial_infos {
e.add_dial_info(di.clone())?;
}
e.update_dial_info(dial_infos);
Ok(())
})?;

View File

@@ -5,7 +5,9 @@ use alloc::fmt;
pub struct NodeRef {
routing_table: RoutingTable,
node_id: DHTKey,
protocol_address_type: Option<ProtocolAddressType>,
// Filters
protocol_type: Option<ProtocolType>,
address_type: Option<AddressType>,
}
impl NodeRef {
@@ -14,20 +16,23 @@ impl NodeRef {
Self {
routing_table,
node_id: key,
protocol_address_type: None,
protocol_type: None,
address_type: None,
}
}
pub fn new_filtered(
routing_table: RoutingTable,
key: DHTKey,
entry: &mut BucketEntry,
protocol_address_type: ProtocolAddressType,
protocol_type: Option<ProtocolType>,
address_type: Option<AddressType>,
) -> Self {
entry.ref_count += 1;
Self {
routing_table,
node_id: key,
protocol_address_type: Some(protocol_address_type),
protocol_type,
address_type,
}
}
@@ -35,15 +40,20 @@ impl NodeRef {
self.node_id
}
pub fn protocol_address_type(&self) -> Option<ProtocolAddressType> {
self.protocol_address_type
pub fn protocol_type(&self) -> Option<ProtocolType> {
self.protocol_type
}
pub fn set_protocol_address_type(
&mut self,
protocol_address_type: Option<ProtocolAddressType>,
) {
self.protocol_address_type = protocol_address_type;
pub fn set_protocol_type(&mut self, protocol_type: Option<ProtocolType>) {
self.protocol_type = protocol_type;
}
pub fn address_type(&self) -> Option<AddressType> {
self.address_type
}
pub fn set_address_type(&mut self, address_type: Option<AddressType>) {
self.address_type = address_type;
}
pub fn operate<T, F>(&self, f: F) -> T
@@ -53,8 +63,9 @@ impl NodeRef {
self.routing_table.operate_on_bucket_entry(self.node_id, f)
}
xxx fix the notion of 'best dial info' to sort by capability and udp/tcp/ws/wss preference order
pub fn dial_info(&self) -> Option<DialInfo> {
match self.protocol_address_type {
if self.protocol_type || self. {
None => self.operate(|e| e.best_dial_info()),
Some(pat) => self.operate(|e| {
e.filtered_dial_info(|die| die.dial_info().protocol_address_type() == pat)