veilid/veilid-core/src/veilid_api/mod.rs
2022-08-18 16:21:13 -04:00

2151 lines
69 KiB
Rust

#![allow(dead_code)]
mod debug;
mod serialize_helpers;
pub use debug::*;
pub use serialize_helpers::*;
use crate::*;
pub use crate::xx::{
IpAddr, Ipv4Addr, Ipv6Addr, SendPinBoxFuture, SocketAddr, SocketAddrV4, SocketAddrV6,
ToSocketAddrs,
};
pub use alloc::string::ToString;
pub use attachment_manager::AttachmentManager;
pub use core::str::FromStr;
pub use dht::Crypto;
pub use dht::{generate_secret, sign, verify, DHTKey, DHTKeySecret, DHTSignature};
pub use intf::BlockStore;
pub use intf::ProtectedStore;
pub use intf::TableStore;
pub use network_manager::NetworkManager;
pub use routing_table::RoutingTable;
//pub use rpc_processor::RPCProcessor;
use core::fmt;
use core_context::{api_shutdown, VeilidCoreContext};
use enumset::*;
use serde::*;
use xx::*;
/////////////////////////////////////////////////////////////////////////////////////////////////////
#[allow(unused_macros)]
#[macro_export]
macro_rules! apibail_generic {
($x:expr) => {
return Err(VeilidAPIError::generic($x))
};
}
#[allow(unused_macros)]
#[macro_export]
macro_rules! apibail_internal {
($x:expr) => {
return Err(VeilidAPIError::internal($x))
};
}
#[allow(unused_macros)]
#[macro_export]
macro_rules! apibail_parse {
($x:expr, $y:expr) => {
return Err(VeilidAPIError::parse_error($x, $y))
};
}
#[derive(ThisError, Clone, Debug, PartialOrd, PartialEq, Eq, Ord, Serialize, Deserialize)]
#[serde(tag = "kind")]
pub enum VeilidAPIError {
#[error("Not initialized")]
NotInitialized,
#[error("Already initialized")]
AlreadyInitialized,
#[error("Timeout")]
Timeout,
#[error("Shutdown")]
Shutdown,
#[error("Node not found: {node_id}")]
NodeNotFound { node_id: NodeId },
#[error("No dial info: {node_id}")]
NoDialInfo { node_id: NodeId },
#[error("No peer info: {node_id}")]
NoPeerInfo { node_id: NodeId },
#[error("Internal: {message}")]
Internal { message: String },
#[error("Unimplemented: {message}")]
Unimplemented { message: String },
#[error("Parse error: '{message}' with value '{value}'")]
ParseError { message: String, value: String },
#[error("Invalid argument: '{argument}' for '{context}' with value '{value}'")]
InvalidArgument {
context: String,
argument: String,
value: String,
},
#[error("Missing argument: '{argument}' for '{context}'")]
MissingArgument { context: String, argument: String },
#[error("Generic: {message}")]
Generic { message: String },
}
impl VeilidAPIError {
pub fn not_initialized() -> Self {
Self::NotInitialized
}
pub fn already_initialized() -> Self {
Self::AlreadyInitialized
}
pub fn timeout() -> Self {
Self::Timeout
}
pub fn shutdown() -> Self {
Self::Shutdown
}
pub fn node_not_found(node_id: NodeId) -> Self {
Self::NodeNotFound { node_id }
}
pub fn no_dial_info(node_id: NodeId) -> Self {
Self::NoDialInfo { node_id }
}
pub fn no_peer_info(node_id: NodeId) -> Self {
Self::NoPeerInfo { node_id }
}
pub fn internal<T: ToString>(msg: T) -> Self {
Self::Internal {
message: msg.to_string(),
}
}
pub fn unimplemented<T: ToString>(msg: T) -> Self {
Self::Unimplemented {
message: msg.to_string(),
}
}
pub fn parse_error<T: ToString, S: ToString>(msg: T, value: S) -> Self {
Self::ParseError {
message: msg.to_string(),
value: value.to_string(),
}
}
pub fn invalid_argument<T: ToString, S: ToString, R: ToString>(
context: T,
argument: S,
value: R,
) -> Self {
Self::InvalidArgument {
context: context.to_string(),
argument: argument.to_string(),
value: value.to_string(),
}
}
pub fn missing_argument<T: ToString, S: ToString>(context: T, argument: S) -> Self {
Self::MissingArgument {
context: context.to_string(),
argument: argument.to_string(),
}
}
pub fn generic<T: ToString>(msg: T) -> Self {
Self::Generic {
message: msg.to_string(),
}
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Copy, Serialize, Deserialize)]
pub enum VeilidLogLevel {
Error = 1,
Warn,
Info,
Debug,
Trace,
}
impl VeilidLogLevel {
pub fn from_tracing_level(level: tracing::Level) -> VeilidLogLevel {
match level {
tracing::Level::ERROR => VeilidLogLevel::Error,
tracing::Level::WARN => VeilidLogLevel::Warn,
tracing::Level::INFO => VeilidLogLevel::Info,
tracing::Level::DEBUG => VeilidLogLevel::Debug,
tracing::Level::TRACE => VeilidLogLevel::Trace,
}
}
pub fn from_log_level(level: log::Level) -> VeilidLogLevel {
match level {
log::Level::Error => VeilidLogLevel::Error,
log::Level::Warn => VeilidLogLevel::Warn,
log::Level::Info => VeilidLogLevel::Info,
log::Level::Debug => VeilidLogLevel::Debug,
log::Level::Trace => VeilidLogLevel::Trace,
}
}
pub fn to_tracing_level(&self) -> tracing::Level {
match self {
Self::Error => tracing::Level::ERROR,
Self::Warn => tracing::Level::WARN,
Self::Info => tracing::Level::INFO,
Self::Debug => tracing::Level::DEBUG,
Self::Trace => tracing::Level::TRACE,
}
}
pub fn to_log_level(&self) -> log::Level {
match self {
Self::Error => log::Level::Error,
Self::Warn => log::Level::Warn,
Self::Info => log::Level::Info,
Self::Debug => log::Level::Debug,
Self::Trace => log::Level::Trace,
}
}
}
impl fmt::Display for VeilidLogLevel {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
let text = match self {
Self::Error => "ERROR",
Self::Warn => "WARN",
Self::Info => "INFO",
Self::Debug => "DEBUG",
Self::Trace => "TRACE",
};
write!(f, "{}", text)
}
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct VeilidStateLog {
pub log_level: VeilidLogLevel,
pub message: String,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct VeilidStateAttachment {
pub state: AttachmentState,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct VeilidStateNetwork {
pub started: bool,
pub bps_down: u64,
pub bps_up: u64,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "kind")]
pub enum VeilidUpdate {
Log(VeilidStateLog),
Attachment(VeilidStateAttachment),
Network(VeilidStateNetwork),
Shutdown,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct VeilidState {
pub attachment: VeilidStateAttachment,
pub network: VeilidStateNetwork,
}
/////////////////////////////////////////////////////////////////////////////////////////////////////
///
#[derive(Clone, Debug, Default, PartialOrd, PartialEq, Eq, Ord, Serialize, Deserialize)]
pub struct NodeId {
pub key: DHTKey,
}
impl NodeId {
pub fn new(key: DHTKey) -> Self {
assert!(key.valid);
Self { key }
}
}
impl fmt::Display for NodeId {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
write!(f, "{}", self.key.encode())
}
}
#[derive(Clone, Debug, Default, PartialOrd, PartialEq, Eq, Ord, Serialize, Deserialize)]
pub struct ValueKey {
pub key: DHTKey,
pub subkey: Option<String>,
}
impl ValueKey {
pub fn new(key: DHTKey) -> Self {
Self { key, subkey: None }
}
pub fn new_subkey(key: DHTKey, subkey: String) -> Self {
Self {
key,
subkey: if subkey.is_empty() {
None
} else {
Some(subkey)
},
}
}
}
#[derive(Clone, Debug, Default, PartialOrd, PartialEq, Eq, Ord, Serialize, Deserialize)]
pub struct ValueData {
pub data: Vec<u8>,
pub seq: u32,
}
impl ValueData {
pub fn new(data: Vec<u8>) -> Self {
Self { data, seq: 0 }
}
pub fn new_with_seq(data: Vec<u8>, seq: u32) -> Self {
Self { data, seq }
}
pub fn change(&mut self, data: Vec<u8>) {
self.data = data;
self.seq += 1;
}
}
#[derive(Clone, Debug, Default, PartialOrd, PartialEq, Eq, Ord, Serialize, Deserialize)]
pub struct BlockId {
pub key: DHTKey,
}
impl BlockId {
pub fn new(key: DHTKey) -> Self {
Self { key }
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////
#[derive(Clone, Debug, PartialEq, PartialOrd, Ord, Eq, Hash, Default, Serialize, Deserialize)]
pub struct SenderInfo {
pub socket_address: Option<SocketAddress>,
}
// Keep member order appropriate for sorting < preference
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Serialize, Deserialize)]
pub enum DialInfoClass {
Direct = 0, // D = Directly reachable with public IP and no firewall, with statically configured port
Mapped = 1, // M = Directly reachable with via portmap behind any NAT or firewalled with dynamically negotiated port
FullConeNAT = 2, // F = Directly reachable device without portmap behind full-cone NAT
Blocked = 3, // B = Inbound blocked at firewall but may hole punch with public address
AddressRestrictedNAT = 4, // A = Device without portmap behind address-only restricted NAT
PortRestrictedNAT = 5, // P = Device without portmap behind address-and-port restricted NAT
}
impl DialInfoClass {
// Is a signal required to do an inbound hole-punch?
pub fn requires_signal(&self) -> bool {
matches!(
self,
Self::Blocked | Self::AddressRestrictedNAT | Self::PortRestrictedNAT
)
}
// Does a relay node need to be allocated for this dial info?
// For full cone NAT, the relay itself may not be used but the keepalive sent to it
// is required to keep the NAT mapping valid in the router state table
pub fn requires_relay(&self) -> bool {
matches!(
self,
Self::FullConeNAT
| Self::Blocked
| Self::AddressRestrictedNAT
| Self::PortRestrictedNAT
)
}
}
// Keep member order appropriate for sorting < preference
#[derive(Debug, Clone, PartialEq, PartialOrd, Ord, Eq, Serialize, Deserialize)]
pub struct DialInfoDetail {
pub class: DialInfoClass,
pub dial_info: DialInfo,
}
impl MatchesDialInfoFilter for DialInfoDetail {
fn matches_filter(&self, filter: &DialInfoFilter) -> bool {
self.dial_info.matches_filter(filter)
}
}
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Serialize, Deserialize)]
pub enum NetworkClass {
InboundCapable = 0, // I = Inbound capable without relay, may require signal
OutboundOnly = 1, // O = Outbound only, inbound relay required except with reverse connect signal
WebApp = 2, // W = PWA, outbound relay is required in most cases
Invalid = 3, // X = Invalid network class, we don't know how to reach this node
}
impl Default for NetworkClass {
fn default() -> Self {
Self::Invalid
}
}
impl NetworkClass {
// Should an outbound relay be kept available?
pub fn outbound_wants_relay(&self) -> bool {
matches!(self, Self::WebApp)
}
}
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
pub struct NodeStatus {
pub will_route: bool,
pub will_tunnel: bool,
pub will_signal: bool,
pub will_relay: bool,
pub will_validate_dial_info: bool,
}
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct NodeInfo {
pub network_class: NetworkClass,
pub outbound_protocols: ProtocolTypeSet,
pub address_types: AddressTypeSet,
pub min_version: u8,
pub max_version: u8,
pub dial_info_detail_list: Vec<DialInfoDetail>,
pub relay_peer_info: Option<Box<PeerInfo>>,
}
impl NodeInfo {
pub fn is_valid(&self) -> bool {
!matches!(self.network_class, NetworkClass::Invalid)
}
pub fn first_filtered_dial_info_detail<F>(&self, filter: F) -> Option<DialInfoDetail>
where
F: Fn(&DialInfoDetail) -> bool,
{
for did in &self.dial_info_detail_list {
if filter(did) {
return Some(did.clone());
}
}
None
}
pub fn all_filtered_dial_info_details<F>(&self, filter: F) -> Vec<DialInfoDetail>
where
F: Fn(&DialInfoDetail) -> bool,
{
let mut dial_info_detail_list = Vec::new();
for did in &self.dial_info_detail_list {
if filter(did) {
dial_info_detail_list.push(did.clone());
}
}
dial_info_detail_list
}
pub fn has_any_dial_info(&self) -> bool {
!self.dial_info_detail_list.is_empty()
|| !self
.relay_peer_info
.as_ref()
.map(|rpi| rpi.signed_node_info.node_info.has_direct_dial_info())
.unwrap_or_default()
}
pub fn has_direct_dial_info(&self) -> bool {
!self.dial_info_detail_list.is_empty()
}
// Is some relay required either for signal or inbound relay or outbound relay?
pub fn requires_relay(&self) -> bool {
match self.network_class {
NetworkClass::InboundCapable => {
for did in &self.dial_info_detail_list {
if did.class.requires_relay() {
return true;
}
}
}
NetworkClass::OutboundOnly => {
return true;
}
NetworkClass::WebApp => {
return true;
}
NetworkClass::Invalid => {}
}
false
}
// Can this node assist with signalling? Yes but only if it doesn't require signalling, itself.
pub fn can_signal(&self) -> bool {
// Must be inbound capable
if !matches!(self.network_class, NetworkClass::InboundCapable) {
return false;
}
// Do any of our dial info require signalling? if so, we can't offer signalling
for did in &self.dial_info_detail_list {
if did.class.requires_signal() {
return false;
}
}
true
}
// Can this node relay be an inbound relay?
pub fn can_inbound_relay(&self) -> bool {
// For now this is the same
self.can_signal()
}
// Is this node capable of validating dial info
pub fn can_validate_dial_info(&self) -> bool {
// For now this is the same
self.can_signal()
}
}
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct LocalNodeInfo {
pub dial_info_list: Vec<DialInfo>,
}
impl LocalNodeInfo {
pub fn first_filtered_dial_info<F>(&self, filter: F) -> Option<DialInfo>
where
F: Fn(&DialInfo) -> bool,
{
for di in &self.dial_info_list {
if filter(di) {
return Some(di.clone());
}
}
None
}
pub fn all_filtered_dial_info<F>(&self, filter: F) -> Vec<DialInfo>
where
F: Fn(&DialInfo) -> bool,
{
let mut dial_info_list = Vec::new();
for di in &self.dial_info_list {
if filter(di) {
dial_info_list.push(di.clone());
}
}
dial_info_list
}
pub fn has_dial_info(&self) -> bool {
!self.dial_info_list.is_empty()
}
}
#[allow(clippy::derive_hash_xor_eq)]
#[derive(Debug, PartialOrd, Ord, Hash, Serialize, Deserialize, EnumSetType)]
// Keep member order appropriate for sorting < preference
// Must match DialInfo order
pub enum LowLevelProtocolType {
UDP,
TCP,
}
impl LowLevelProtocolType {
pub fn is_connection_oriented(&self) -> bool {
matches!(self, LowLevelProtocolType::TCP)
}
}
pub type LowLevelProtocolTypeSet = EnumSet<LowLevelProtocolType>;
#[allow(clippy::derive_hash_xor_eq)]
#[derive(Debug, PartialOrd, Ord, Hash, Serialize, Deserialize, EnumSetType)]
// Keep member order appropriate for sorting < preference
// Must match DialInfo order
pub enum ProtocolType {
UDP,
TCP,
WS,
WSS,
}
impl ProtocolType {
pub fn is_connection_oriented(&self) -> bool {
matches!(
self,
ProtocolType::TCP | ProtocolType::WS | ProtocolType::WSS
)
}
pub fn low_level_protocol_type(&self) -> LowLevelProtocolType {
match self {
ProtocolType::UDP => LowLevelProtocolType::UDP,
ProtocolType::TCP | ProtocolType::WS | ProtocolType::WSS => LowLevelProtocolType::TCP,
}
}
}
pub type ProtocolTypeSet = EnumSet<ProtocolType>;
#[allow(clippy::derive_hash_xor_eq)]
#[derive(Debug, PartialOrd, Ord, Hash, Serialize, Deserialize, EnumSetType)]
pub enum AddressType {
IPV4,
IPV6,
}
pub type AddressTypeSet = EnumSet<AddressType>;
#[allow(clippy::derive_hash_xor_eq)]
#[derive(Debug, Ord, PartialOrd, Hash, Serialize, Deserialize, EnumSetType)]
pub enum PeerScope {
Global,
Local,
}
pub type PeerScopeSet = EnumSet<PeerScope>;
#[derive(Copy, Clone, Debug, PartialEq, PartialOrd, Ord, Eq, Hash, Serialize, Deserialize)]
pub enum Address {
IPV4(Ipv4Addr),
IPV6(Ipv6Addr),
}
impl Default for Address {
fn default() -> Self {
Address::IPV4(Ipv4Addr::new(0, 0, 0, 0))
}
}
impl Address {
pub fn from_socket_addr(sa: SocketAddr) -> Address {
match sa {
SocketAddr::V4(v4) => Address::IPV4(*v4.ip()),
SocketAddr::V6(v6) => Address::IPV6(*v6.ip()),
}
}
pub fn from_ip_addr(addr: IpAddr) -> Address {
match addr {
IpAddr::V4(v4) => Address::IPV4(v4),
IpAddr::V6(v6) => Address::IPV6(v6),
}
}
pub fn address_type(&self) -> AddressType {
match self {
Address::IPV4(_) => AddressType::IPV4,
Address::IPV6(_) => AddressType::IPV6,
}
}
pub fn address_string(&self) -> String {
match self {
Address::IPV4(v4) => v4.to_string(),
Address::IPV6(v6) => v6.to_string(),
}
}
pub fn address_string_with_port(&self, port: u16) -> String {
match self {
Address::IPV4(v4) => format!("{}:{}", v4, port),
Address::IPV6(v6) => format!("[{}]:{}", v6, port),
}
}
pub fn is_global(&self) -> bool {
match self {
Address::IPV4(v4) => ipv4addr_is_global(v4) && !ipv4addr_is_multicast(v4),
Address::IPV6(v6) => ipv6addr_is_unicast_global(v6),
}
}
pub fn is_local(&self) -> bool {
match self {
Address::IPV4(v4) => ipv4addr_is_private(v4) || ipv4addr_is_link_local(v4),
Address::IPV6(v6) => {
ipv6addr_is_unicast_site_local(v6)
|| ipv6addr_is_unicast_link_local(v6)
|| ipv6addr_is_unique_local(v6)
}
}
}
pub fn to_ip_addr(&self) -> IpAddr {
match self {
Self::IPV4(a) => IpAddr::V4(*a),
Self::IPV6(a) => IpAddr::V6(*a),
}
}
pub fn to_socket_addr(&self, port: u16) -> SocketAddr {
SocketAddr::new(self.to_ip_addr(), port)
}
pub fn to_canonical(&self) -> Address {
match self {
Address::IPV4(v4) => Address::IPV4(*v4),
Address::IPV6(v6) => match v6.to_ipv4() {
Some(v4) => Address::IPV4(v4),
None => Address::IPV6(*v6),
},
}
}
}
impl FromStr for Address {
type Err = VeilidAPIError;
fn from_str(host: &str) -> Result<Address, VeilidAPIError> {
if let Ok(addr) = Ipv4Addr::from_str(host) {
Ok(Address::IPV4(addr))
} else if let Ok(addr) = Ipv6Addr::from_str(host) {
Ok(Address::IPV6(addr))
} else {
Err(VeilidAPIError::parse_error(
"Address::from_str failed",
host,
))
}
}
}
#[derive(
Copy, Default, Clone, Debug, PartialEq, PartialOrd, Ord, Eq, Hash, Serialize, Deserialize,
)]
pub struct SocketAddress {
address: Address,
port: u16,
}
impl SocketAddress {
pub fn new(address: Address, port: u16) -> Self {
Self { address, port }
}
pub fn from_socket_addr(sa: SocketAddr) -> SocketAddress {
Self {
address: Address::from_socket_addr(sa),
port: sa.port(),
}
}
pub fn address(&self) -> Address {
self.address
}
pub fn address_type(&self) -> AddressType {
self.address.address_type()
}
pub fn port(&self) -> u16 {
self.port
}
pub fn to_canonical(&self) -> SocketAddress {
SocketAddress {
address: self.address.to_canonical(),
port: self.port,
}
}
pub fn to_ip_addr(&self) -> IpAddr {
self.address.to_ip_addr()
}
pub fn to_socket_addr(&self) -> SocketAddr {
self.address.to_socket_addr(self.port)
}
}
impl fmt::Display for SocketAddress {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
write!(f, "{}", self.to_socket_addr())
}
}
impl FromStr for SocketAddress {
type Err = VeilidAPIError;
fn from_str(s: &str) -> Result<SocketAddress, VeilidAPIError> {
let sa = SocketAddr::from_str(s)
.map_err(|e| VeilidAPIError::parse_error("Failed to parse SocketAddress", e))?;
Ok(SocketAddress::from_socket_addr(sa))
}
}
//////////////////////////////////////////////////////////////////
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord)]
pub struct DialInfoFilter {
pub peer_scope_set: PeerScopeSet,
pub protocol_type_set: ProtocolTypeSet,
pub address_type_set: AddressTypeSet,
}
impl Default for DialInfoFilter {
fn default() -> Self {
Self {
peer_scope_set: PeerScopeSet::all(),
protocol_type_set: ProtocolTypeSet::all(),
address_type_set: AddressTypeSet::all(),
}
}
}
impl DialInfoFilter {
pub fn all() -> Self {
Self {
peer_scope_set: PeerScopeSet::all(),
protocol_type_set: ProtocolTypeSet::all(),
address_type_set: AddressTypeSet::all(),
}
}
pub fn global() -> Self {
Self {
peer_scope_set: PeerScopeSet::only(PeerScope::Global),
protocol_type_set: ProtocolTypeSet::all(),
address_type_set: AddressTypeSet::all(),
}
}
pub fn local() -> Self {
Self {
peer_scope_set: PeerScopeSet::only(PeerScope::Local),
protocol_type_set: ProtocolTypeSet::all(),
address_type_set: AddressTypeSet::all(),
}
}
pub fn scoped(peer_scope: PeerScope) -> Self {
Self {
peer_scope_set: PeerScopeSet::only(peer_scope),
protocol_type_set: ProtocolTypeSet::all(),
address_type_set: AddressTypeSet::all(),
}
}
pub fn with_protocol_type(mut self, protocol_type: ProtocolType) -> Self {
self.protocol_type_set = ProtocolTypeSet::only(protocol_type);
self
}
pub fn with_protocol_type_set(mut self, protocol_set: ProtocolTypeSet) -> Self {
self.protocol_type_set = protocol_set;
self
}
pub fn with_address_type(mut self, address_type: AddressType) -> Self {
self.address_type_set = AddressTypeSet::only(address_type);
self
}
pub fn with_address_type_set(mut self, address_set: AddressTypeSet) -> Self {
self.address_type_set = address_set;
self
}
pub fn filtered(mut self, other_dif: DialInfoFilter) -> Self {
self.peer_scope_set &= other_dif.peer_scope_set;
self.protocol_type_set &= other_dif.protocol_type_set;
self.address_type_set &= other_dif.address_type_set;
self
}
pub fn is_dead(&self) -> bool {
self.peer_scope_set.is_empty()
|| self.protocol_type_set.is_empty()
|| self.address_type_set.is_empty()
}
}
impl fmt::Debug for DialInfoFilter {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
let mut out = String::new();
if self.peer_scope_set != PeerScopeSet::all() {
out += &format!("+{:?}", self.peer_scope_set);
}
if self.protocol_type_set != ProtocolTypeSet::all() {
out += &format!("+{:?}", self.protocol_type_set);
}
if self.address_type_set != AddressTypeSet::all() {
out += &format!("+{:?}", self.address_type_set);
}
write!(f, "[{}]", out)
}
}
pub trait MatchesDialInfoFilter {
fn matches_filter(&self, filter: &DialInfoFilter) -> bool;
}
#[derive(Clone, Default, Debug, PartialEq, PartialOrd, Ord, Eq, Serialize, Deserialize)]
pub struct DialInfoUDP {
pub socket_address: SocketAddress,
}
#[derive(Clone, Default, Debug, PartialEq, PartialOrd, Ord, Eq, Serialize, Deserialize)]
pub struct DialInfoTCP {
pub socket_address: SocketAddress,
}
#[derive(Clone, Default, Debug, PartialEq, PartialOrd, Ord, Eq, Serialize, Deserialize)]
pub struct DialInfoWS {
pub socket_address: SocketAddress,
pub request: String,
}
#[derive(Clone, Default, Debug, PartialEq, PartialOrd, Ord, Eq, Serialize, Deserialize)]
pub struct DialInfoWSS {
pub socket_address: SocketAddress,
pub request: String,
}
#[derive(Clone, Debug, PartialEq, PartialOrd, Ord, Eq, Serialize, Deserialize)]
#[serde(tag = "kind")]
// Keep member order appropriate for sorting < preference
// Must match ProtocolType order
pub enum DialInfo {
UDP(DialInfoUDP),
TCP(DialInfoTCP),
WS(DialInfoWS),
WSS(DialInfoWSS),
}
impl Default for DialInfo {
fn default() -> Self {
DialInfo::UDP(DialInfoUDP::default())
}
}
impl fmt::Display for DialInfo {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
match self {
DialInfo::UDP(di) => write!(f, "udp|{}", di.socket_address),
DialInfo::TCP(di) => write!(f, "tcp|{}", di.socket_address),
DialInfo::WS(di) => {
let url = format!("ws://{}", di.request);
let split_url = SplitUrl::from_str(&url).unwrap();
match split_url.host {
SplitUrlHost::Hostname(_) => {
write!(f, "ws|{}|{}", di.socket_address.to_ip_addr(), di.request)
}
SplitUrlHost::IpAddr(a) => {
if di.socket_address.to_ip_addr() == a {
write!(f, "ws|{}", di.request)
} else {
panic!("resolved address does not match url: {}", di.request);
}
}
}
}
DialInfo::WSS(di) => {
let url = format!("wss://{}", di.request);
let split_url = SplitUrl::from_str(&url).unwrap();
match split_url.host {
SplitUrlHost::Hostname(_) => {
write!(f, "wss|{}|{}", di.socket_address.to_ip_addr(), di.request)
}
SplitUrlHost::IpAddr(_) => {
panic!(
"secure websockets can not use ip address in request: {}",
di.request
);
}
}
}
}
}
}
impl FromStr for DialInfo {
type Err = VeilidAPIError;
fn from_str(s: &str) -> Result<DialInfo, VeilidAPIError> {
let (proto, rest) = s.split_once('|').ok_or_else(|| {
VeilidAPIError::parse_error("DialInfo::from_str missing protocol '|' separator", s)
})?;
match proto {
"udp" => {
let socket_address = SocketAddress::from_str(rest)?;
Ok(DialInfo::udp(socket_address))
}
"tcp" => {
let socket_address = SocketAddress::from_str(rest)?;
Ok(DialInfo::tcp(socket_address))
}
"ws" => {
let url = format!("ws://{}", rest);
let split_url = SplitUrl::from_str(&url).map_err(|e| {
VeilidAPIError::parse_error(format!("unable to split WS url: {}", e), &url)
})?;
if split_url.scheme != "ws" || !url.starts_with("ws://") {
return Err(VeilidAPIError::parse_error(
"incorrect scheme for WS dialinfo",
url,
));
}
let url_port = split_url.port.unwrap_or(80u16);
match rest.split_once('|') {
Some((sa, rest)) => {
let address = Address::from_str(sa)?;
DialInfo::try_ws(
SocketAddress::new(address, url_port),
format!("ws://{}", rest),
)
}
None => {
let address = Address::from_str(&split_url.host.to_string())?;
DialInfo::try_ws(
SocketAddress::new(address, url_port),
format!("ws://{}", rest),
)
}
}
}
"wss" => {
let url = format!("wss://{}", rest);
let split_url = SplitUrl::from_str(&url).map_err(|e| {
VeilidAPIError::parse_error(format!("unable to split WSS url: {}", e), &url)
})?;
if split_url.scheme != "wss" || !url.starts_with("wss://") {
return Err(VeilidAPIError::parse_error(
"incorrect scheme for WSS dialinfo",
url,
));
}
let url_port = split_url.port.unwrap_or(443u16);
let (a, rest) = rest.split_once('|').ok_or_else(|| {
VeilidAPIError::parse_error(
"DialInfo::from_str missing socket address '|' separator",
s,
)
})?;
let address = Address::from_str(a)?;
DialInfo::try_wss(
SocketAddress::new(address, url_port),
format!("wss://{}", rest),
)
}
_ => Err(VeilidAPIError::parse_error(
"DialInfo::from_str has invalid scheme",
s,
)),
}
}
}
impl DialInfo {
pub fn udp_from_socketaddr(socket_addr: SocketAddr) -> Self {
Self::UDP(DialInfoUDP {
socket_address: SocketAddress::from_socket_addr(socket_addr).to_canonical(),
})
}
pub fn tcp_from_socketaddr(socket_addr: SocketAddr) -> Self {
Self::TCP(DialInfoTCP {
socket_address: SocketAddress::from_socket_addr(socket_addr).to_canonical(),
})
}
pub fn udp(socket_address: SocketAddress) -> Self {
Self::UDP(DialInfoUDP {
socket_address: socket_address.to_canonical(),
})
}
pub fn tcp(socket_address: SocketAddress) -> Self {
Self::TCP(DialInfoTCP {
socket_address: socket_address.to_canonical(),
})
}
pub fn try_ws(socket_address: SocketAddress, url: String) -> Result<Self, VeilidAPIError> {
let split_url = SplitUrl::from_str(&url).map_err(|e| {
VeilidAPIError::parse_error(format!("unable to split WS url: {}", e), &url)
})?;
if split_url.scheme != "ws" || !url.starts_with("ws://") {
return Err(VeilidAPIError::parse_error(
"incorrect scheme for WS dialinfo",
url,
));
}
let url_port = split_url.port.unwrap_or(80u16);
if url_port != socket_address.port() {
return Err(VeilidAPIError::parse_error(
"socket address port doesn't match url port",
url,
));
}
if let SplitUrlHost::IpAddr(a) = split_url.host {
if socket_address.to_ip_addr() != a {
return Err(VeilidAPIError::parse_error(
format!("request address does not match socket address: {}", a),
socket_address,
));
}
}
Ok(Self::WS(DialInfoWS {
socket_address: socket_address.to_canonical(),
request: url[5..].to_string(),
}))
}
pub fn try_wss(socket_address: SocketAddress, url: String) -> Result<Self, VeilidAPIError> {
let split_url = SplitUrl::from_str(&url).map_err(|e| {
VeilidAPIError::parse_error(format!("unable to split WSS url: {}", e), &url)
})?;
if split_url.scheme != "wss" || !url.starts_with("wss://") {
return Err(VeilidAPIError::parse_error(
"incorrect scheme for WSS dialinfo",
url,
));
}
let url_port = split_url.port.unwrap_or(443u16);
if url_port != socket_address.port() {
return Err(VeilidAPIError::parse_error(
"socket address port doesn't match url port",
url,
));
}
if !matches!(split_url.host, SplitUrlHost::Hostname(_)) {
return Err(VeilidAPIError::parse_error(
"WSS url can not use address format, only hostname format",
url,
));
}
Ok(Self::WSS(DialInfoWSS {
socket_address: socket_address.to_canonical(),
request: url[6..].to_string(),
}))
}
pub fn protocol_type(&self) -> ProtocolType {
match self {
Self::UDP(_) => ProtocolType::UDP,
Self::TCP(_) => ProtocolType::TCP,
Self::WS(_) => ProtocolType::WS,
Self::WSS(_) => ProtocolType::WSS,
}
}
pub fn address_type(&self) -> AddressType {
self.socket_address().address_type()
}
pub fn socket_address(&self) -> SocketAddress {
match self {
Self::UDP(di) => di.socket_address,
Self::TCP(di) => di.socket_address,
Self::WS(di) => di.socket_address,
Self::WSS(di) => di.socket_address,
}
}
pub fn to_ip_addr(&self) -> IpAddr {
match self {
Self::UDP(di) => di.socket_address.to_ip_addr(),
Self::TCP(di) => di.socket_address.to_ip_addr(),
Self::WS(di) => di.socket_address.to_ip_addr(),
Self::WSS(di) => di.socket_address.to_ip_addr(),
}
}
pub fn port(&self) -> u16 {
match self {
Self::UDP(di) => di.socket_address.port,
Self::TCP(di) => di.socket_address.port,
Self::WS(di) => di.socket_address.port,
Self::WSS(di) => di.socket_address.port,
}
}
pub fn set_port(&mut self, port: u16) {
match self {
Self::UDP(di) => di.socket_address.port = port,
Self::TCP(di) => di.socket_address.port = port,
Self::WS(di) => di.socket_address.port = port,
Self::WSS(di) => di.socket_address.port = port,
}
}
pub fn to_socket_addr(&self) -> SocketAddr {
match self {
Self::UDP(di) => di.socket_address.to_socket_addr(),
Self::TCP(di) => di.socket_address.to_socket_addr(),
Self::WS(di) => di.socket_address.to_socket_addr(),
Self::WSS(di) => di.socket_address.to_socket_addr(),
}
}
pub fn to_peer_address(&self) -> PeerAddress {
match self {
Self::UDP(di) => PeerAddress::new(di.socket_address, ProtocolType::UDP),
Self::TCP(di) => PeerAddress::new(di.socket_address, ProtocolType::TCP),
Self::WS(di) => PeerAddress::new(di.socket_address, ProtocolType::WS),
Self::WSS(di) => PeerAddress::new(di.socket_address, ProtocolType::WSS),
}
}
pub fn request(&self) -> Option<String> {
match self {
Self::UDP(_) => None,
Self::TCP(_) => None,
Self::WS(di) => Some(format!("ws://{}", di.request)),
Self::WSS(di) => Some(format!("wss://{}", di.request)),
}
}
pub fn is_global(&self) -> bool {
self.socket_address().address().is_global()
}
pub fn is_local(&self) -> bool {
self.socket_address().address().is_local()
}
pub fn is_valid(&self) -> bool {
let socket_address = self.socket_address();
let address = socket_address.address();
let port = socket_address.port();
(address.is_global() || address.is_local()) && port > 0
}
pub fn peer_scope(&self) -> Option<PeerScope> {
let addr = self.socket_address().address();
if addr.is_global() {
return Some(PeerScope::Global);
}
if addr.is_local() {
return Some(PeerScope::Local);
}
None
}
pub fn matches_peer_scope(&self, scope: PeerScopeSet) -> bool {
if let Some(ps) = self.peer_scope() {
scope.contains(ps)
} else {
false
}
}
pub fn make_filter(&self, scoped: bool) -> DialInfoFilter {
DialInfoFilter {
peer_scope_set: if scoped {
if self.is_global() {
PeerScopeSet::only(PeerScope::Global)
} else if self.is_local() {
PeerScopeSet::only(PeerScope::Local)
} else {
PeerScopeSet::empty()
}
} else {
PeerScopeSet::all()
},
protocol_type_set: ProtocolTypeSet::only(self.protocol_type()),
address_type_set: AddressTypeSet::only(self.address_type()),
}
}
pub fn try_vec_from_short<S: AsRef<str>, H: AsRef<str>>(
short: S,
hostname: H,
) -> Result<Vec<Self>, VeilidAPIError> {
let short = short.as_ref();
let hostname = hostname.as_ref();
if short.len() < 2 {
return Err(VeilidAPIError::parse_error(
"invalid short url length",
short,
));
}
let url = match &short[0..1] {
"U" => {
format!("udp://{}:{}", hostname, &short[1..])
}
"T" => {
format!("tcp://{}:{}", hostname, &short[1..])
}
"W" => {
format!("ws://{}:{}", hostname, &short[1..])
}
"S" => {
format!("wss://{}:{}", hostname, &short[1..])
}
_ => {
return Err(VeilidAPIError::parse_error("invalid short url type", short));
}
};
Self::try_vec_from_url(url)
}
pub fn try_vec_from_url<S: AsRef<str>>(url: S) -> Result<Vec<Self>, VeilidAPIError> {
let url = url.as_ref();
let split_url = SplitUrl::from_str(url)
.map_err(|e| VeilidAPIError::parse_error(format!("unable to split url: {}", e), url))?;
let port = match split_url.scheme.as_str() {
"udp" | "tcp" => split_url
.port
.ok_or_else(|| VeilidAPIError::parse_error("Missing port in udp url", url))?,
"ws" => split_url.port.unwrap_or(80u16),
"wss" => split_url.port.unwrap_or(443u16),
_ => {
return Err(VeilidAPIError::parse_error(
"Invalid dial info url scheme",
split_url.scheme,
));
}
};
let socket_addrs = {
// Resolve if possible, WASM doesn't support resolution and doesn't need it to connect to the dialinfo
// This will not be used on signed dialinfo, only for bootstrapping, so we don't need to worry about
// the '0.0.0.0' address being propagated across the routing table
cfg_if::cfg_if! {
if #[cfg(target_arch = "wasm32")] {
vec![SocketAddr::new(IpAddr::V4(Ipv4Addr::new(0,0,0,0)), port)]
} else {
match split_url.host {
SplitUrlHost::Hostname(_) => split_url
.host_port(port)
.to_socket_addrs()
.map_err(|_| VeilidAPIError::parse_error("couldn't resolve hostname in url", url))?
.collect(),
SplitUrlHost::IpAddr(a) => vec![SocketAddr::new(a, port)],
}
}
}
};
let mut out = Vec::new();
for sa in socket_addrs {
out.push(match split_url.scheme.as_str() {
"udp" => Self::udp_from_socketaddr(sa),
"tcp" => Self::tcp_from_socketaddr(sa),
"ws" => Self::try_ws(
SocketAddress::from_socket_addr(sa).to_canonical(),
url.to_string(),
)?,
"wss" => Self::try_wss(
SocketAddress::from_socket_addr(sa).to_canonical(),
url.to_string(),
)?,
_ => {
unreachable!("Invalid dial info url scheme")
}
});
}
Ok(out)
}
pub async fn to_short(&self) -> (String, String) {
match self {
DialInfo::UDP(di) => (
format!("U{}", di.socket_address.port()),
intf::ptr_lookup(di.socket_address.to_ip_addr())
.await
.unwrap_or_else(|_| di.socket_address.to_string()),
),
DialInfo::TCP(di) => (
format!("T{}", di.socket_address.port()),
intf::ptr_lookup(di.socket_address.to_ip_addr())
.await
.unwrap_or_else(|_| di.socket_address.to_string()),
),
DialInfo::WS(di) => {
let mut split_url = SplitUrl::from_str(&format!("ws://{}", di.request)).unwrap();
if let SplitUrlHost::IpAddr(a) = split_url.host {
if let Ok(host) = intf::ptr_lookup(a).await {
split_url.host = SplitUrlHost::Hostname(host);
}
}
(
format!(
"W{}{}",
split_url.port.unwrap_or(80),
split_url
.path
.map(|p| format!("/{}", p))
.unwrap_or_default()
),
split_url.host.to_string(),
)
}
DialInfo::WSS(di) => {
let mut split_url = SplitUrl::from_str(&format!("wss://{}", di.request)).unwrap();
if let SplitUrlHost::IpAddr(a) = split_url.host {
if let Ok(host) = intf::ptr_lookup(a).await {
split_url.host = SplitUrlHost::Hostname(host);
}
}
(
format!(
"S{}{}",
split_url.port.unwrap_or(443),
split_url
.path
.map(|p| format!("/{}", p))
.unwrap_or_default()
),
split_url.host.to_string(),
)
}
}
}
pub async fn to_url(&self) -> String {
match self {
DialInfo::UDP(di) => intf::ptr_lookup(di.socket_address.to_ip_addr())
.await
.map(|h| format!("udp://{}:{}", h, di.socket_address.port()))
.unwrap_or_else(|_| format!("udp://{}", di.socket_address)),
DialInfo::TCP(di) => intf::ptr_lookup(di.socket_address.to_ip_addr())
.await
.map(|h| format!("tcp://{}:{}", h, di.socket_address.port()))
.unwrap_or_else(|_| format!("tcp://{}", di.socket_address)),
DialInfo::WS(di) => {
let mut split_url = SplitUrl::from_str(&format!("ws://{}", di.request)).unwrap();
if let SplitUrlHost::IpAddr(a) = split_url.host {
if let Ok(host) = intf::ptr_lookup(a).await {
split_url.host = SplitUrlHost::Hostname(host);
}
}
split_url.to_string()
}
DialInfo::WSS(di) => {
let mut split_url = SplitUrl::from_str(&format!("wss://{}", di.request)).unwrap();
if let SplitUrlHost::IpAddr(a) = split_url.host {
if let Ok(host) = intf::ptr_lookup(a).await {
split_url.host = SplitUrlHost::Hostname(host);
}
}
split_url.to_string()
}
}
}
}
impl MatchesDialInfoFilter for DialInfo {
fn matches_filter(&self, filter: &DialInfoFilter) -> bool {
if !self.matches_peer_scope(filter.peer_scope_set) {
return false;
}
if !filter.protocol_type_set.contains(self.protocol_type()) {
return false;
}
if !filter.address_type_set.contains(self.address_type()) {
return false;
}
true
}
}
//////////////////////////////////////////////////////////////////////////
// Signed NodeInfo that can be passed around amongst peers and verifiable
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct SignedNodeInfo {
pub node_info: NodeInfo,
pub signature: DHTSignature,
pub timestamp: u64,
}
impl SignedNodeInfo {
pub fn new(
node_info: NodeInfo,
node_id: NodeId,
signature: DHTSignature,
timestamp: u64,
) -> Result<Self, VeilidAPIError> {
let mut node_info_bytes = serde_cbor::to_vec(&node_info)
.map_err(|e| VeilidAPIError::parse_error("failed to encode node info as cbor", e))?;
let mut timestamp_bytes = serde_cbor::to_vec(&timestamp)
.map_err(|e| VeilidAPIError::parse_error("failed to encode timestamp as cbor", e))?;
node_info_bytes.append(&mut timestamp_bytes);
verify(&node_id.key, &node_info_bytes, &signature)?;
Ok(Self {
node_info,
signature,
timestamp,
})
}
pub fn with_secret(
node_info: NodeInfo,
node_id: NodeId,
secret: &DHTKeySecret,
) -> Result<Self, VeilidAPIError> {
let timestamp = intf::get_timestamp();
let mut node_info_bytes = serde_cbor::to_vec(&node_info)
.map_err(|e| VeilidAPIError::parse_error("failed to encode node info as cbor", e))?;
let mut timestamp_bytes = serde_cbor::to_vec(&timestamp)
.map_err(|e| VeilidAPIError::parse_error("failed to encode timestamp as cbor", e))?;
node_info_bytes.append(&mut timestamp_bytes);
let signature = sign(&node_id.key, secret, &node_info_bytes)?;
Ok(Self {
node_info,
signature,
timestamp,
})
}
pub fn with_no_signature(node_info: NodeInfo) -> Self {
Self {
node_info,
signature: DHTSignature::default(),
timestamp: intf::get_timestamp(),
}
}
pub fn is_valid(&self) -> bool {
self.signature.valid && self.node_info.is_valid()
}
}
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct PeerInfo {
pub node_id: NodeId,
pub signed_node_info: SignedNodeInfo,
}
impl PeerInfo {
pub fn new(node_id: NodeId, signed_node_info: SignedNodeInfo) -> Self {
Self {
node_id,
signed_node_info,
}
}
}
#[derive(Copy, Clone, Debug, PartialEq, PartialOrd, Eq, Ord, Hash, Serialize, Deserialize)]
pub struct PeerAddress {
socket_address: SocketAddress,
protocol_type: ProtocolType,
}
impl PeerAddress {
pub fn new(socket_address: SocketAddress, protocol_type: ProtocolType) -> Self {
Self {
socket_address: socket_address.to_canonical(),
protocol_type,
}
}
pub fn socket_address(&self) -> &SocketAddress {
&self.socket_address
}
pub fn protocol_type(&self) -> ProtocolType {
self.protocol_type
}
pub fn to_socket_addr(&self) -> SocketAddr {
self.socket_address.to_socket_addr()
}
pub fn address_type(&self) -> AddressType {
self.socket_address.address_type()
}
}
#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
pub struct ConnectionDescriptor {
remote: PeerAddress,
local: Option<SocketAddress>,
}
impl ConnectionDescriptor {
fn validate_peer_scope(remote: PeerAddress) -> Result<(), VeilidAPIError> {
// Verify address is in one of our peer scopes we care about
let addr = remote.socket_address.address();
if !addr.is_global() && !addr.is_local() {
return Err(VeilidAPIError::generic("not a valid peer scope"));
}
Ok(())
}
pub fn new(remote: PeerAddress, local: SocketAddress) -> Result<Self, VeilidAPIError> {
Self::validate_peer_scope(remote)?;
Ok(Self {
remote,
local: Some(local),
})
}
pub fn new_no_local(remote: PeerAddress) -> Result<Self, VeilidAPIError> {
Self::validate_peer_scope(remote)?;
Ok(Self {
remote,
local: None,
})
}
pub fn remote(&self) -> PeerAddress {
self.remote
}
pub fn remote_address(&self) -> &SocketAddress {
self.remote.socket_address()
}
pub fn local(&self) -> Option<SocketAddress> {
self.local
}
pub fn protocol_type(&self) -> ProtocolType {
self.remote.protocol_type
}
pub fn address_type(&self) -> AddressType {
self.remote.address_type()
}
pub fn peer_scope(&self) -> PeerScope {
let addr = self.remote.socket_address.address();
if addr.is_global() {
return PeerScope::Global;
}
PeerScope::Local
}
pub fn make_dial_info_filter(&self) -> DialInfoFilter {
DialInfoFilter::scoped(self.peer_scope())
.with_protocol_type(self.protocol_type())
.with_address_type(self.address_type())
}
pub fn matches_peer_scope(&self, scope: PeerScopeSet) -> bool {
scope.contains(self.peer_scope())
}
}
impl MatchesDialInfoFilter for ConnectionDescriptor {
fn matches_filter(&self, filter: &DialInfoFilter) -> bool {
if !self.matches_peer_scope(filter.peer_scope_set) {
return false;
}
if !filter.protocol_type_set.contains(self.protocol_type()) {
return false;
}
if !filter.address_type_set.contains(self.address_type()) {
return false;
}
true
}
}
//////////////////////////////////////////////////////////////////////////
#[derive(Clone, Debug, Default, Eq, PartialEq, PartialOrd, Ord, Serialize, Deserialize)]
pub struct NodeDialInfo {
pub node_id: NodeId,
pub dial_info: DialInfo,
}
impl fmt::Display for NodeDialInfo {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
write!(f, "{}@{}", self.node_id, self.dial_info)
}
}
impl FromStr for NodeDialInfo {
type Err = VeilidAPIError;
fn from_str(s: &str) -> Result<NodeDialInfo, VeilidAPIError> {
// split out node id from the dial info
let (node_id_str, rest) = s.split_once('@').ok_or_else(|| {
VeilidAPIError::parse_error("NodeDialInfo::from_str missing @ node id separator", s)
})?;
// parse out node id
let node_id = NodeId::new(DHTKey::try_decode(node_id_str).map_err(|e| {
VeilidAPIError::parse_error(
format!("NodeDialInfo::from_str couldn't parse node id: {}", e),
s,
)
})?);
// parse out dial info
let dial_info = DialInfo::from_str(rest)?;
// return completed NodeDialInfo
Ok(NodeDialInfo { node_id, dial_info })
}
}
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
pub struct LatencyStats {
pub fastest: u64, // fastest latency in the ROLLING_LATENCIES_SIZE last latencies
pub average: u64, // average latency over the ROLLING_LATENCIES_SIZE last latencies
pub slowest: u64, // slowest latency in the ROLLING_LATENCIES_SIZE last latencies
}
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
pub struct TransferStats {
pub total: u64, // total amount transferred ever
pub maximum: u64, // maximum rate over the ROLLING_TRANSFERS_SIZE last amounts
pub average: u64, // average rate over the ROLLING_TRANSFERS_SIZE last amounts
pub minimum: u64, // minimum rate over the ROLLING_TRANSFERS_SIZE last amounts
}
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
pub struct TransferStatsDownUp {
pub down: TransferStats,
pub up: TransferStats,
}
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
pub struct RPCStats {
pub messages_sent: u32, // number of rpcs that have been sent in the total_time range
pub messages_rcvd: u32, // number of rpcs that have been received in the total_time range
pub questions_in_flight: u32, // number of questions issued that have yet to be answered
pub last_question: Option<u64>, // when the peer was last questioned (either successfully or not) and we wanted an answer
pub last_seen_ts: Option<u64>, // when the peer was last seen for any reason, including when we first attempted to reach out to it
pub first_consecutive_seen_ts: Option<u64>, // the timestamp of the first consecutive proof-of-life for this node (an answer or received question)
pub recent_lost_answers: u32, // number of answers that have been lost since we lost reliability
pub failed_to_send: u32, // number of messages that have failed to send since we last successfully sent one
}
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
pub struct PeerStats {
pub time_added: u64, // when the peer was added to the routing table
pub rpc_stats: RPCStats, // information about RPCs
pub latency: Option<LatencyStats>, // latencies for communications with the peer
pub transfer: TransferStatsDownUp, // Stats for communications with the peer
pub status: Option<NodeStatus>, // Last known node status
}
pub type ValueChangeCallback =
Arc<dyn Fn(ValueKey, Vec<u8>) -> SendPinBoxFuture<()> + Send + Sync + 'static>;
/////////////////////////////////////////////////////////////////////////////////////////////////////
#[derive(Clone, Debug, Serialize, Deserialize)]
pub enum SignalInfo {
HolePunch {
// UDP Hole Punch Request
receipt: Vec<u8>, // Receipt to be returned after the hole punch
peer_info: PeerInfo, // Sender's peer info
},
ReverseConnect {
// Reverse Connection Request
receipt: Vec<u8>, // Receipt to be returned by the reverse connection
peer_info: PeerInfo, // Sender's peer info
},
// XXX: WebRTC
// XXX: App-level signalling
}
/////////////////////////////////////////////////////////////////////////////////////////////////////
#[derive(Copy, Clone, Debug, PartialOrd, PartialEq, Eq, Ord, Serialize, Deserialize)]
pub enum TunnelMode {
Raw,
Turn,
}
#[derive(Copy, Clone, Debug, PartialOrd, PartialEq, Eq, Ord, Serialize, Deserialize)]
pub enum TunnelError {
BadId, // Tunnel ID was rejected
NoEndpoint, // Endpoint was unreachable
RejectedMode, // Endpoint couldn't provide mode
NoCapacity, // Endpoint is full
}
pub type TunnelId = u64;
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct TunnelEndpoint {
pub mode: TunnelMode,
pub description: String, // XXX: TODO
}
impl Default for TunnelEndpoint {
fn default() -> Self {
Self {
mode: TunnelMode::Raw,
description: "".to_string(),
}
}
}
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
pub struct FullTunnel {
pub id: TunnelId,
pub timeout: u64,
pub local: TunnelEndpoint,
pub remote: TunnelEndpoint,
}
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
pub struct PartialTunnel {
pub id: TunnelId,
pub timeout: u64,
pub local: TunnelEndpoint,
}
/////////////////////////////////////////////////////////////////////////////////////////////////////
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
pub struct RouteHopSpec {
pub dial_info: NodeDialInfo,
}
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
pub struct PrivateRouteSpec {
//
pub public_key: DHTKey,
pub secret_key: DHTKeySecret,
pub hops: Vec<RouteHopSpec>,
}
impl PrivateRouteSpec {
pub fn new() -> Self {
let (pk, sk) = generate_secret();
PrivateRouteSpec {
public_key: pk,
secret_key: sk,
hops: Vec::new(),
}
}
}
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
pub struct SafetyRouteSpec {
pub public_key: DHTKey,
pub secret_key: DHTKeySecret,
pub hops: Vec<RouteHopSpec>,
}
impl SafetyRouteSpec {
pub fn new() -> Self {
let (pk, sk) = generate_secret();
SafetyRouteSpec {
public_key: pk,
secret_key: sk,
hops: Vec::new(),
}
}
}
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
pub struct RoutingContextOptions {
pub safety_route_spec: Option<SafetyRouteSpec>,
pub private_route_spec: Option<PrivateRouteSpec>,
}
/////////////////////////////////////////////////////////////////////////////////////////////////////
pub struct RoutingContextInner {
api: VeilidAPI,
options: RoutingContextOptions,
}
impl Drop for RoutingContextInner {
fn drop(&mut self) {
// self.api
// .borrow_mut()
// .routing_contexts
// //.remove(&self.id);
}
}
#[derive(Clone)]
pub struct RoutingContext {
inner: Arc<Mutex<RoutingContextInner>>,
}
impl RoutingContext {
fn new(api: VeilidAPI, options: RoutingContextOptions) -> Self {
Self {
inner: Arc::new(Mutex::new(RoutingContextInner { api, options })),
}
}
pub fn api(&self) -> VeilidAPI {
self.inner.lock().api.clone()
}
///////////////////////////////////
///
pub async fn get_value(&self, _value_key: ValueKey) -> Result<Vec<u8>, VeilidAPIError> {
panic!("unimplemented");
}
pub async fn set_value(
&self,
_value_key: ValueKey,
_value: Vec<u8>,
) -> Result<bool, VeilidAPIError> {
panic!("unimplemented");
}
pub async fn watch_value(
&self,
_value_key: ValueKey,
_callback: ValueChangeCallback,
) -> Result<bool, VeilidAPIError> {
panic!("unimplemented");
}
pub async fn cancel_watch_value(&self, _value_key: ValueKey) -> Result<bool, VeilidAPIError> {
panic!("unimplemented");
}
pub async fn find_block(&self, _block_id: BlockId) -> Result<Vec<u8>, VeilidAPIError> {
panic!("unimplemented");
}
pub async fn supply_block(&self, _block_id: BlockId) -> Result<bool, VeilidAPIError> {
panic!("unimplemented");
}
pub async fn signal(&self, _data: Vec<u8>) -> Result<bool, VeilidAPIError> {
panic!("unimplemented");
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////
struct VeilidAPIInner {
context: Option<VeilidCoreContext>,
}
impl fmt::Debug for VeilidAPIInner {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "VeilidAPIInner")
}
}
impl Drop for VeilidAPIInner {
fn drop(&mut self) {
if let Some(context) = self.context.take() {
intf::spawn_detached(api_shutdown(context));
}
}
}
#[derive(Clone, Debug)]
pub struct VeilidAPI {
inner: Arc<Mutex<VeilidAPIInner>>,
}
impl VeilidAPI {
#[instrument(skip_all)]
pub(crate) fn new(context: VeilidCoreContext) -> Self {
Self {
inner: Arc::new(Mutex::new(VeilidAPIInner {
context: Some(context),
})),
}
}
#[instrument(skip_all)]
pub async fn shutdown(self) {
let context = { self.inner.lock().context.take() };
if let Some(context) = context {
api_shutdown(context).await;
}
}
pub fn is_shutdown(&self) -> bool {
self.inner.lock().context.is_none()
}
////////////////////////////////////////////////////////////////
// Accessors
pub fn config(&self) -> Result<VeilidConfig, VeilidAPIError> {
let inner = self.inner.lock();
if let Some(context) = &inner.context {
return Ok(context.config.clone());
}
Err(VeilidAPIError::NotInitialized)
}
pub fn crypto(&self) -> Result<Crypto, VeilidAPIError> {
let inner = self.inner.lock();
if let Some(context) = &inner.context {
return Ok(context.crypto.clone());
}
Err(VeilidAPIError::NotInitialized)
}
pub fn table_store(&self) -> Result<TableStore, VeilidAPIError> {
let inner = self.inner.lock();
if let Some(context) = &inner.context {
return Ok(context.table_store.clone());
}
Err(VeilidAPIError::not_initialized())
}
pub fn block_store(&self) -> Result<BlockStore, VeilidAPIError> {
let inner = self.inner.lock();
if let Some(context) = &inner.context {
return Ok(context.block_store.clone());
}
Err(VeilidAPIError::not_initialized())
}
pub fn protected_store(&self) -> Result<ProtectedStore, VeilidAPIError> {
let inner = self.inner.lock();
if let Some(context) = &inner.context {
return Ok(context.protected_store.clone());
}
Err(VeilidAPIError::not_initialized())
}
pub fn attachment_manager(&self) -> Result<AttachmentManager, VeilidAPIError> {
let inner = self.inner.lock();
if let Some(context) = &inner.context {
return Ok(context.attachment_manager.clone());
}
Err(VeilidAPIError::not_initialized())
}
pub fn network_manager(&self) -> Result<NetworkManager, VeilidAPIError> {
let inner = self.inner.lock();
if let Some(context) = &inner.context {
return Ok(context.attachment_manager.network_manager());
}
Err(VeilidAPIError::not_initialized())
}
// pub fn rpc_processor(&self) -> Result<RPCProcessor, VeilidAPIError> {
// let inner = self.inner.lock();
// if let Some(context) = &inner.context {
// return Ok(context.attachment_manager.network_manager().rpc_processor());
// }
// Err(VeilidAPIError::NotInitialized)
// }
////////////////////////////////////////////////////////////////
// Attach/Detach
// get a full copy of the current state
pub async fn get_state(&self) -> Result<VeilidState, VeilidAPIError> {
let attachment_manager = self.attachment_manager()?;
let network_manager = attachment_manager.network_manager();
let attachment = attachment_manager.get_veilid_state();
let network = network_manager.get_veilid_state();
Ok(VeilidState {
attachment,
network,
})
}
// get network connectedness
// connect to the network
#[instrument(level = "debug", err, skip_all)]
pub async fn attach(&self) -> Result<(), VeilidAPIError> {
let attachment_manager = self.attachment_manager()?;
attachment_manager
.request_attach()
.await
.map_err(|e| VeilidAPIError::internal(e))
}
// disconnect from the network
#[instrument(level = "debug", err, skip_all)]
pub async fn detach(&self) -> Result<(), VeilidAPIError> {
let attachment_manager = self.attachment_manager()?;
attachment_manager
.request_detach()
.await
.map_err(|e| VeilidAPIError::internal(e))
}
////////////////////////////////////////////////////////////////
// Direct Node Access (pretty much for testing only)
// #[instrument(level = "debug", err, skip(self))]
// pub async fn search_dht(&self, node_id: NodeId) -> Result<PeerInfo, VeilidAPIError> {
// let rpc_processor = self.rpc_processor()?;
// let config = self.config()?;
// let (count, fanout, timeout) = {
// let c = config.get();
// (
// c.network.dht.resolve_node_count,
// c.network.dht.resolve_node_fanout,
// c.network.dht.resolve_node_timeout_ms.map(ms_to_us),
// )
// };
// let node_ref = rpc_processor
// .search_dht_single_key(node_id.key, count, fanout, timeout)
// .await
// .map_err(map_rpc_error!())?;
// let answer = node_ref.peer_info();
// if let Some(answer) = answer {
// Ok(answer)
// } else {
// Err(VeilidAPIError::NoPeerInfo {
// node_id: NodeId::new(node_ref.node_id()),
// })
// }
// }
// #[instrument(level = "debug", err, skip(self))]
// pub async fn search_dht_multi(&self, node_id: NodeId) -> Result<Vec<PeerInfo>, VeilidAPIError> {
// let rpc_processor = self.rpc_processor()?;
// let config = self.config()?;
// let (count, fanout, timeout) = {
// let c = config.get();
// (
// c.network.dht.resolve_node_count,
// c.network.dht.resolve_node_fanout,
// c.network.dht.resolve_node_timeout_ms.map(ms_to_us),
// )
// };
// let node_refs = rpc_processor
// .search_dht_multi_key(node_id.key, count, fanout, timeout)
// .await
// .map_err(map_rpc_error!())?;
// let answer = node_refs.iter().filter_map(|x| x.peer_info()).collect();
// Ok(answer)
// }
////////////////////////////////////////////////////////////////
// Safety / Private Route Handling
#[instrument(level = "debug", err, skip(self))]
pub async fn new_safety_route_spec(
&self,
_hops: u8,
) -> Result<SafetyRouteSpec, VeilidAPIError> {
panic!("unimplemented");
}
#[instrument(level = "debug", err, skip(self))]
pub async fn new_private_route_spec(
&self,
_hops: u8,
) -> Result<PrivateRouteSpec, VeilidAPIError> {
panic!("unimplemented");
}
////////////////////////////////////////////////////////////////
// Routing Contexts
//
// Safety route specified here is for _this_ node's anonymity as a sender, used via the 'route' operation
// Private route specified here is for _this_ node's anonymity as a receiver, passed out via the 'respond_to' field for replies
#[instrument(skip(self))]
pub async fn safe_private(
&self,
safety_route_spec: SafetyRouteSpec,
private_route_spec: PrivateRouteSpec,
) -> RoutingContext {
self.routing_context(RoutingContextOptions {
safety_route_spec: Some(safety_route_spec),
private_route_spec: Some(private_route_spec),
})
.await
}
#[instrument(level = "debug", skip(self))]
pub async fn safe_public(&self, safety_route_spec: SafetyRouteSpec) -> RoutingContext {
self.routing_context(RoutingContextOptions {
safety_route_spec: Some(safety_route_spec),
private_route_spec: None,
})
.await
}
#[instrument(level = "debug", skip(self))]
pub async fn unsafe_private(&self, private_route_spec: PrivateRouteSpec) -> RoutingContext {
self.routing_context(RoutingContextOptions {
safety_route_spec: None,
private_route_spec: Some(private_route_spec),
})
.await
}
#[instrument(level = "debug", skip(self))]
pub async fn unsafe_public(&self) -> RoutingContext {
self.routing_context(RoutingContextOptions {
safety_route_spec: None,
private_route_spec: None,
})
.await
}
#[instrument(level = "debug", skip(self))]
pub async fn routing_context(&self, options: RoutingContextOptions) -> RoutingContext {
RoutingContext::new(self.clone(), options)
}
////////////////////////////////////////////////////////////////
// Tunnel Building
#[instrument(level = "debug", err, skip(self))]
pub async fn start_tunnel(
&self,
_endpoint_mode: TunnelMode,
_depth: u8,
) -> Result<PartialTunnel, VeilidAPIError> {
panic!("unimplemented");
}
#[instrument(level = "debug", err, skip(self))]
pub async fn complete_tunnel(
&self,
_endpoint_mode: TunnelMode,
_depth: u8,
_partial_tunnel: PartialTunnel,
) -> Result<FullTunnel, VeilidAPIError> {
panic!("unimplemented");
}
#[instrument(level = "debug", err, skip(self))]
pub async fn cancel_tunnel(&self, _tunnel_id: TunnelId) -> Result<bool, VeilidAPIError> {
panic!("unimplemented");
}
}