grassrootseconomics/openethereum
5
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Abstract devp2p (#8048)

Browse Source 
* Rename ethcore-network to ethcore-network-devp2p

* Fix typo

* Extract generic traits into util/network

* Simplify util/network

* Fix devp2p tests

* Remove old feature

* Fix RPC tests
This commit is contained in:
Pierre Krieger 2018-03-05 11:56:35 +01:00 committed by Rando
parent 47a02480c4
commit eeee90def5
25 changed files with 568 additions and 397 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
Cargo.lock generated
View File

@ -621,6 +621,20 @@ dependencies = [
[[package]]
name = "ethcore-network"
version = "1.11.0"
dependencies = [
"error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
"ethcore-io 1.11.0",
"ethcrypto 0.1.0",
"ethereum-types 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
"ethkey 0.3.0",
"ipnetwork 0.12.7 (registry+https://github.com/rust-lang/crates.io-index)",
"rlp 0.2.1",
"snappy 0.1.0 (git+https://github.com/paritytech/rust-snappy)",
]
[[package]]
name = "ethcore-network-devp2p"
version = "1.11.0"
dependencies = [
"ansi_term 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
"bytes 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@ -628,6 +642,7 @@ dependencies = [
"ethcore-bytes 0.1.0",
"ethcore-io 1.11.0",
"ethcore-logger 1.11.0",
"ethcore-network 1.11.0",
"ethcrypto 0.1.0",
"ethereum-types 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
"ethkey 0.3.0",
@ -849,6 +864,7 @@ dependencies = [
"ethcore-io 1.11.0",
"ethcore-light 1.11.0",
"ethcore-network 1.11.0",
"ethcore-network-devp2p 1.11.0",
"ethcore-transaction 0.1.0",
"ethereum-types 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
"ethkey 0.3.0",
@ -1712,7 +1728,7 @@ dependencies = [
"ethcore 1.11.0",
"ethcore-bytes 0.1.0",
"ethcore-io 1.11.0",
"ethcore-network 1.11.0",
"ethcore-network-devp2p 1.11.0",
"ethereum-types 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
"kvdb-memorydb 0.1.0",
"log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",

2
ethcore/light/src/net/context.rs
View File

@ -47,7 +47,7 @@ pub trait IoContext {
}
impl<'a> IoContext for NetworkContext<'a> {
impl<T> IoContext for T where T: ?Sized + NetworkContext {
fn send(&self, peer: PeerId, packet_id: u8, packet_body: Vec<u8>) {
if let Err(e) = self.send(peer, packet_id, packet_body) {
debug!(target: "pip", "Error sending packet to peer {}: {}", peer, e);

14
ethcore/light/src/net/mod.rs
View File

@ -1089,23 +1089,23 @@ impl NetworkProtocolHandler for LightProtocol {
}
fn read(&self, io: &NetworkContext, peer: &PeerId, packet_id: u8, data: &[u8]) {
self.handle_packet(io, peer, packet_id, data);
self.handle_packet(&io, peer, packet_id, data);
}
fn connected(&self, io: &NetworkContext, peer: &PeerId) {
self.on_connect(peer, io);
self.on_connect(peer, &io);
}
fn disconnected(&self, io: &NetworkContext, peer: &PeerId) {
self.on_disconnect(*peer, io);
self.on_disconnect(*peer, &io);
}
fn timeout(&self, io: &NetworkContext, timer: TimerToken) {
match timer {
TIMEOUT => self.timeout_check(io),
TICK_TIMEOUT => self.tick_handlers(io),
PROPAGATE_TIMEOUT => self.propagate_transactions(io),
RECALCULATE_COSTS_TIMEOUT => self.begin_new_cost_period(io),
TIMEOUT => self.timeout_check(&io),
TICK_TIMEOUT => self.tick_handlers(&io),
PROPAGATE_TIMEOUT => self.propagate_transactions(&io),
RECALCULATE_COSTS_TIMEOUT => self.begin_new_cost_period(&io),
_ => warn!(target: "pip", "received timeout on unknown token {}", timer),
}
}

2
ethcore/node_filter/Cargo.toml
View File

@ -9,7 +9,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
[dependencies]
ethcore = { path = ".."}
ethcore-bytes = { path = "../../util/bytes" }
ethcore-network = { path = "../../util/network" }
ethcore-network-devp2p = { path = "../../util/network-devp2p" }
ethereum-types = "0.2"
log = "0.3"
parking_lot = "0.5"

2
ethcore/node_filter/src/lib.rs
View File

@ -19,7 +19,7 @@
extern crate ethabi;
extern crate ethcore;
extern crate ethcore_bytes as bytes;
extern crate ethcore_network as network;
extern crate ethcore_network_devp2p as network;
extern crate ethereum_types;
extern crate lru_cache;
extern crate parking_lot;

1
sync/Cargo.toml
View File

@ -10,6 +10,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
[dependencies]
ethcore-bytes = { path = "../util/bytes" }
ethcore-network = { path = "../util/network" }
ethcore-network-devp2p = { path = "../util/network-devp2p" }
ethcore-io = { path = "../util/io" }
ethcore-light = { path = "../ethcore/light" }
ethcore-transaction = { path = "../ethcore/transaction" }

9
sync/src/api.rs
View File

@ -18,8 +18,9 @@ use std::sync::Arc;
use std::collections::{HashMap, BTreeMap};
use std::io;
use bytes::Bytes;
use network::{NetworkProtocolHandler, NetworkService, NetworkContext, HostInfo, PeerId, ProtocolId,
NetworkConfiguration as BasicNetworkConfiguration, NonReservedPeerMode, Error, ErrorKind, ConnectionFilter};
use devp2p::{NetworkService, ConnectionFilter};
use network::{NetworkProtocolHandler, NetworkContext, HostInfo, PeerId, ProtocolId,
NetworkConfiguration as BasicNetworkConfiguration, NonReservedPeerMode, Error, ErrorKind};
use ethereum_types::{H256, H512, U256};
use io::{TimerToken};
use ethcore::ethstore::ethkey::Secret;
@ -393,7 +394,7 @@ impl ChainNotify for EthSync {
};
let chain_info = self.eth_handler.chain.chain_info();
light_proto.make_announcement(context, Announcement {
light_proto.make_announcement(&context, Announcement {
head_hash: chain_info.best_block_hash,
head_num: chain_info.best_block_number,
head_td: chain_info.total_difficulty,
@ -737,7 +738,7 @@ impl LightSync {
{
self.network.with_context_eval(
self.subprotocol_name,
move |ctx| self.proto.with_context(ctx, f),
move |ctx| self.proto.with_context(&ctx, f),
)
}
}

4
sync/src/lib.rs
View File

@ -22,6 +22,7 @@
//!
extern crate ethcore_network as network;
extern crate ethcore_network_devp2p as devp2p;
extern crate ethcore_bytes as bytes;
extern crate ethcore_io as io;
extern crate ethcore_transaction as transaction;
@ -68,4 +69,5 @@ mod api;
pub use api::*;
pub use chain::{SyncStatus, SyncState};
pub use network::{validate_node_url, NonReservedPeerMode, Error, ErrorKind, ConnectionFilter, ConnectionDirection};
pub use devp2p::{validate_node_url, ConnectionFilter, ConnectionDirection};
pub use network::{NonReservedPeerMode, Error, ErrorKind};

12
sync/src/sync_io.rs
View File

@ -61,19 +61,19 @@ pub trait SyncIo {
}
/// Wraps `NetworkContext` and the blockchain client
pub struct NetSyncIo<'s, 'h> where 'h: 's {
network: &'s NetworkContext<'h>,
pub struct NetSyncIo<'s> {
network: &'s NetworkContext,
chain: &'s BlockChainClient,
snapshot_service: &'s SnapshotService,
chain_overlay: &'s RwLock<HashMap<BlockNumber, Bytes>>,
}
impl<'s, 'h> NetSyncIo<'s, 'h> {
impl<'s> NetSyncIo<'s> {
/// Creates a new instance from the `NetworkContext` and the blockchain client reference.
pub fn new(network: &'s NetworkContext<'h>,
pub fn new(network: &'s NetworkContext,
chain: &'s BlockChainClient,
snapshot_service: &'s SnapshotService,
chain_overlay: &'s RwLock<HashMap<BlockNumber, Bytes>>) -> NetSyncIo<'s, 'h> {
chain_overlay: &'s RwLock<HashMap<BlockNumber, Bytes>>) -> NetSyncIo<'s> {
NetSyncIo {
network: network,
chain: chain,
@ -83,7 +83,7 @@ impl<'s, 'h> NetSyncIo<'s, 'h> {
}
}
impl<'s, 'h> SyncIo for NetSyncIo<'s, 'h> {
impl<'s> SyncIo for NetSyncIo<'s> {
fn disable_peer(&mut self, peer_id: PeerId) {
self.network.disable_peer(peer_id);
}

44
util/network-devp2p/Cargo.toml Normal file
View File

@ -0,0 +1,44 @@
[package]
description = "DevP2P implementation of the ethcore network library"
homepage = "http://parity.io"
license = "GPL-3.0"
name = "ethcore-network-devp2p"
version = "1.11.0"
authors = ["Parity Technologies <admin@parity.io>"]
[dependencies]
log = "0.3"
mio = "0.6.8"
bytes = "0.4"
rand = "0.4"
time = "0.1.34"
tiny-keccak = "1.3"
rust-crypto = "0.2.34"
slab = "0.2"
igd = "0.6"
libc = "0.2.7"
parking_lot = "0.5"
ansi_term = "0.10"
rustc-hex = "1.0"
ethcore-io = { path = "../io" }
ethcore-bytes = { path = "../bytes" }
ethcore-network = { path = "../network" }
ethereum-types = "0.2"
ethkey = { path = "../../ethkey" }
ethcrypto = { path = "../../ethcrypto" }
rlp = { path = "../rlp" }
path = { path = "../path" }
ethcore-logger = { path ="../../logger" }
ipnetwork = "0.12.6"
keccak-hash = { path = "../hash" }
snappy = { git = "https://github.com/paritytech/rust-snappy" }
serde = "1.0"
serde_json = "1.0"
serde_derive = "1.0"
error-chain = { version = "0.11", default-features = false }
[dev-dependencies]
tempdir = "0.3"
[features]
default = []

2
util/network/src/connection.rs → util/network-devp2p/src/connection.rs
View File

@ -36,7 +36,7 @@ use rcrypto::buffer::*;
use tiny_keccak::Keccak;
use bytes::{Buf, BufMut};
use crypto;
use error::{Error, ErrorKind};
use network::{Error, ErrorKind};
const ENCRYPTED_HEADER_LEN: usize = 32;
const RECIEVE_PAYLOAD_TIMEOUT: u64 = 30000;

0
util/network/src/connection_filter.rs → util/network-devp2p/src/connection_filter.rs
View File

4
util/network/src/discovery.rs → util/network-devp2p/src/discovery.rs
View File

@ -27,10 +27,10 @@ use time;
use ethereum_types::{H256, H520};
use rlp::*;
use node_table::*;
use error::{Error, ErrorKind};
use network::{Error, ErrorKind};
use io::{StreamToken, IoContext};
use ethkey::{Secret, KeyPair, sign, recover};
use IpFilter;
use network::IpFilter;
use PROTOCOL_VERSION;

3
util/network/src/handshake.rs → util/network-devp2p/src/handshake.rs
View File

@ -22,13 +22,12 @@ use ethereum_types::{H256, H520};
use ethcore_bytes::Bytes;
use rlp::*;
use connection::{Connection};
use host::{HostInfo};
use node_table::NodeId;
use stats::NetworkStats;
use io::{IoContext, StreamToken};
use ethkey::{KeyPair, Public, Secret, recover, sign, Generator, Random};
use crypto::{ecdh, ecies};
use error::{Error, ErrorKind};
use network::{Error, ErrorKind, HostInfo};
#[derive(PartialEq, Eq, Debug)]
enum HandshakeState {

192
util/network/src/host.rs → util/network-devp2p/src/host.rs
View File

@ -31,17 +31,20 @@ use mio::deprecated::{EventLoop};
use mio::tcp::*;
use ethereum_types::H256;
use rlp::*;
use session::{Session, SessionInfo, SessionData};
use session::{Session, SessionData};
use io::*;
use {NetworkProtocolHandler, NonReservedPeerMode, PROTOCOL_VERSION, IpFilter};
use PROTOCOL_VERSION;
use node_table::*;
use network::{NetworkConfiguration, NetworkIoMessage, ProtocolId, PeerId, PacketId};
use network::{NonReservedPeerMode, NetworkContext as NetworkContextTrait};
use network::HostInfo as HostInfoTrait;
use network::{SessionInfo, Error, ErrorKind, DisconnectReason, NetworkProtocolHandler};
use stats::NetworkStats;
use discovery::{Discovery, TableUpdates, NodeEntry};
use ip_utils::{map_external_address, select_public_address};
use path::restrict_permissions_owner;
use parking_lot::{Mutex, RwLock};
use connection_filter::{ConnectionFilter, ConnectionDirection};
use error::{Error, ErrorKind, DisconnectReason};
type Slab<T> = ::slab::Slab<T, usize>;
@ -72,132 +75,6 @@ const DISCOVERY_ROUND_TIMEOUT: u64 = 300;
// for NODE_TABLE TimerToken
const NODE_TABLE_TIMEOUT: u64 = 300_000;
#[derive(Debug, PartialEq, Clone)]
/// Network service configuration
pub struct NetworkConfiguration {
/// Directory path to store general network configuration. None means nothing will be saved
pub config_path: Option<String>,
/// Directory path to store network-specific configuration. None means nothing will be saved
pub net_config_path: Option<String>,
/// IP address to listen for incoming connections. Listen to all connections by default
pub listen_address: Option<SocketAddr>,
/// IP address to advertise. Detected automatically if none.
pub public_address: Option<SocketAddr>,
/// Port for UDP connections, same as TCP by default
pub udp_port: Option<u16>,
/// Enable NAT configuration
pub nat_enabled: bool,
/// Enable discovery
pub discovery_enabled: bool,
/// List of initial node addresses
pub boot_nodes: Vec<String>,
/// Use provided node key instead of default
pub use_secret: Option<Secret>,
/// Minimum number of connected peers to maintain
pub min_peers: u32,
/// Maximum allowed number of peers
pub max_peers: u32,
/// Maximum handshakes
pub max_handshakes: u32,
/// Reserved protocols. Peers with <key> protocol get additional <value> connection slots.
pub reserved_protocols: HashMap<ProtocolId, u32>,
/// List of reserved node addresses.
pub reserved_nodes: Vec<String>,
/// The non-reserved peer mode.
pub non_reserved_mode: NonReservedPeerMode,
/// IP filter
pub ip_filter: IpFilter,
/// Client identifier
pub client_version: String,
}
impl Default for NetworkConfiguration {
fn default() -> Self {
NetworkConfiguration::new()
}
}
impl NetworkConfiguration {
/// Create a new instance of default settings.
pub fn new() -> Self {
NetworkConfiguration {
config_path: None,
net_config_path: None,
listen_address: None,
public_address: None,
udp_port: None,
nat_enabled: true,
discovery_enabled: true,
boot_nodes: Vec::new(),
use_secret: None,
min_peers: 25,
max_peers: 50,
max_handshakes: 64,
reserved_protocols: HashMap::new(),
ip_filter: IpFilter::default(),
reserved_nodes: Vec::new(),
non_reserved_mode: NonReservedPeerMode::Accept,
client_version: "Parity-network".into(),
}
}
/// Create new default configuration with sepcified listen port.
pub fn new_with_port(port: u16) -> NetworkConfiguration {
let mut config = NetworkConfiguration::new();
config.listen_address = Some(SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::new(0, 0, 0, 0), port)));
config
}
/// Create new default configuration for localhost-only connection with random port (usefull for testing)
pub fn new_local() -> NetworkConfiguration {
let mut config = NetworkConfiguration::new();
config.listen_address = Some(SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 0)));
config.nat_enabled = false;
config
}
}
/// Protocol handler level packet id
pub type PacketId = u8;
/// Protocol / handler id
pub type ProtocolId = [u8; 3];
/// Messages used to communitate with the event loop from other threads.
#[derive(Clone)]
pub enum NetworkIoMessage {
/// Register a new protocol handler.
AddHandler {
/// Handler shared instance.
handler: Arc<NetworkProtocolHandler + Sync>,
/// Protocol Id.
protocol: ProtocolId,
/// Supported protocol versions.
versions: Vec<u8>,
/// Number of packet IDs reserved by the protocol.
packet_count: u8,
},
/// Register a new protocol timer
AddTimer {
/// Protocol Id.
protocol: ProtocolId,
/// Timer token.
token: TimerToken,
/// Timer delay in milliseconds.
delay: u64,
},
/// Initliaze public interface.
InitPublicInterface,
/// Disconnect a peer.
Disconnect(PeerId),
/// Disconnect and temporary disable peer.
DisablePeer(PeerId),
/// Network has been started with the host as the given enode.
NetworkStarted(String),
}
/// Local (temporary) peer session ID.
pub type PeerId = usize;
#[derive(Debug, PartialEq, Eq)]
/// Protocol info
pub struct CapabilityInfo {
@ -248,14 +125,14 @@ impl<'s> NetworkContext<'s> {
_ => self.sessions.read().get(peer).cloned(),
}
}
}
/// Send a packet over the network to another peer.
pub fn send(&self, peer: PeerId, packet_id: PacketId, data: Vec<u8>) -> Result<(), Error> {
impl<'s> NetworkContextTrait for NetworkContext<'s> {
fn send(&self, peer: PeerId, packet_id: PacketId, data: Vec<u8>) -> Result<(), Error> {
self.send_protocol(self.protocol, peer, packet_id, data)
}
/// Send a packet over the network to another peer using specified protocol.
pub fn send_protocol(&self, protocol: ProtocolId, peer: PeerId, packet_id: PacketId, data: Vec<u8>) -> Result<(), Error> {
fn send_protocol(&self, protocol: ProtocolId, peer: PeerId, packet_id: PacketId, data: Vec<u8>) -> Result<(), Error> {
let session = self.resolve_session(peer);
if let Some(session) = session {
session.lock().send_packet(self.io, Some(protocol), packet_id as u8, &data)?;
@ -265,36 +142,30 @@ impl<'s> NetworkContext<'s> {
Ok(())
}
/// Respond to a current network message. Panics if no there is no packet in the context. If the session is expired returns nothing.
pub fn respond(&self, packet_id: PacketId, data: Vec<u8>) -> Result<(), Error> {
fn respond(&self, packet_id: PacketId, data: Vec<u8>) -> Result<(), Error> {
assert!(self.session.is_some(), "Respond called without network context");
self.session_id.map_or_else(|| Err(ErrorKind::Expired.into()), |id| self.send(id, packet_id, data))
}
/// Get an IoChannel.
pub fn io_channel(&self) -> IoChannel<NetworkIoMessage> {
fn io_channel(&self) -> IoChannel<NetworkIoMessage> {
self.io.channel()
}
/// Disconnect a peer and prevent it from connecting again.
pub fn disable_peer(&self, peer: PeerId) {
fn disable_peer(&self, peer: PeerId) {
self.io.message(NetworkIoMessage::DisablePeer(peer))
.unwrap_or_else(|e| warn!("Error sending network IO message: {:?}", e));
}
/// Disconnect peer. Reconnect can be attempted later.
pub fn disconnect_peer(&self, peer: PeerId) {
fn disconnect_peer(&self, peer: PeerId) {
self.io.message(NetworkIoMessage::Disconnect(peer))
.unwrap_or_else(|e| warn!("Error sending network IO message: {:?}", e));
}
/// Check if the session is still active.
pub fn is_expired(&self) -> bool {
fn is_expired(&self) -> bool {
self.session.as_ref().map_or(false, |s| s.lock().expired())
}
/// Register a new IO timer. 'IoHandler::timeout' will be called with the token.
pub fn register_timer(&self, token: TimerToken, ms: u64) -> Result<(), Error> {
fn register_timer(&self, token: TimerToken, ms: u64) -> Result<(), Error> {
self.io.message(NetworkIoMessage::AddTimer {
token: token,
delay: ms,
@ -303,24 +174,20 @@ impl<'s> NetworkContext<'s> {
Ok(())
}
/// Returns peer identification string
pub fn peer_client_version(&self, peer: PeerId) -> String {
fn peer_client_version(&self, peer: PeerId) -> String {
self.resolve_session(peer).map_or("unknown".to_owned(), |s| s.lock().info.client_version.clone())
}
/// Returns information on p2p session
pub fn session_info(&self, peer: PeerId) -> Option<SessionInfo> {
fn session_info(&self, peer: PeerId) -> Option<SessionInfo> {
self.resolve_session(peer).map(|s| s.lock().info.clone())
}
/// Returns max version for a given protocol.
pub fn protocol_version(&self, protocol: ProtocolId, peer: PeerId) -> Option<u8> {
fn protocol_version(&self, protocol: ProtocolId, peer: PeerId) -> Option<u8> {
let session = self.resolve_session(peer);
session.and_then(|s| s.lock().capability_version(protocol))
}
/// Returns this object's subprotocol name.
pub fn subprotocol_name(&self) -> ProtocolId { self.protocol }
fn subprotocol_name(&self) -> ProtocolId { self.protocol }
}
/// Shared host information
@ -341,24 +208,21 @@ pub struct HostInfo {
pub public_endpoint: Option<NodeEndpoint>,
}
impl HostInfo {
/// Returns public key
pub fn id(&self) -> &NodeId {
impl HostInfoTrait for HostInfo {
fn id(&self) -> &NodeId {
self.keys.public()
}
/// Returns secret key
pub fn secret(&self) -> &Secret {
fn secret(&self) -> &Secret {
self.keys.secret()
}
/// Increments and returns connection nonce.
pub fn next_nonce(&mut self) -> H256 {
fn next_nonce(&mut self) -> H256 {
self.nonce = keccak(&self.nonce);
self.nonce
}
pub fn client_version(&self) -> &str {
fn client_version(&self) -> &str {
&self.config.client_version
}
}
@ -378,7 +242,7 @@ pub struct Host {
sessions: Arc<RwLock<Slab<SharedSession>>>,
discovery: Mutex<Option<Discovery>>,
nodes: RwLock<NodeTable>,
handlers: RwLock<HashMap<ProtocolId, Arc<NetworkProtocolHandler>>>,
handlers: RwLock<HashMap<ProtocolId, Arc<NetworkProtocolHandler + Sync>>>,
timers: RwLock<HashMap<TimerToken, ProtocolTimer>>,
timer_counter: RwLock<usize>,
stats: Arc<NetworkStats>,
@ -1006,14 +870,14 @@ impl Host {
self.nodes.write().update(node_changes, &*self.reserved_nodes.read());
}
pub fn with_context<F>(&self, protocol: ProtocolId, io: &IoContext<NetworkIoMessage>, action: F) where F: FnOnce(&NetworkContext) {
pub fn with_context<F>(&self, protocol: ProtocolId, io: &IoContext<NetworkIoMessage>, action: F) where F: FnOnce(&NetworkContextTrait) {
let reserved = { self.reserved_nodes.read() };
let context = NetworkContext::new(io, protocol, None, self.sessions.clone(), &reserved);
action(&context);
}
pub fn with_context_eval<F, T>(&self, protocol: ProtocolId, io: &IoContext<NetworkIoMessage>, action: F) -> T where F: FnOnce(&NetworkContext) -> T {
pub fn with_context_eval<F, T>(&self, protocol: ProtocolId, io: &IoContext<NetworkIoMessage>, action: F) -> T where F: FnOnce(&NetworkContextTrait) -> T {
let reserved = { self.reserved_nodes.read() };
let context = NetworkContext::new(io, protocol, None, self.sessions.clone(), &reserved);

0
util/network/src/ip_utils.rs → util/network-devp2p/src/ip_utils.rs
View File

118
util/network-devp2p/src/lib.rs Normal file
View File

@ -0,0 +1,118 @@
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
//! Network and general IO module.
//!
//! Example usage for creating a network service and adding an IO handler:
//!
//! ```rust
//! extern crate ethcore_network as net;
//! extern crate ethcore_network_devp2p as devp2p;
//! use net::*;
//! use devp2p::NetworkService;
//! use std::sync::Arc;
//!
//! struct MyHandler;
//!
//! impl NetworkProtocolHandler for MyHandler {
//! fn initialize(&self, io: &NetworkContext, _host_info: &HostInfo) {
//! io.register_timer(0, 1000);
//! }
//!
//! fn read(&self, io: &NetworkContext, peer: &PeerId, packet_id: u8, data: &[u8]) {
//! println!("Received {} ({} bytes) from {}", packet_id, data.len(), peer);
//! }
//!
//! fn connected(&self, io: &NetworkContext, peer: &PeerId) {
//! println!("Connected {}", peer);
//! }
//!
//! fn disconnected(&self, io: &NetworkContext, peer: &PeerId) {
//! println!("Disconnected {}", peer);
//! }
//! }
//!
//! fn main () {
//! let mut service = NetworkService::new(NetworkConfiguration::new_local(), None).expect("Error creating network service");
//! service.start().expect("Error starting service");
//! service.register_protocol(Arc::new(MyHandler), *b"myp", 1, &[1u8]);
//!
//! // Wait for quit condition
//! // ...
//! // Drop the service
//! }
//! ```
//TODO: use Poll from mio
#![allow(deprecated)]
extern crate ethcore_io as io;
extern crate ethcore_bytes;
extern crate ethereum_types;
extern crate parking_lot;
extern crate mio;
extern crate tiny_keccak;
extern crate crypto as rcrypto;
extern crate rand;
extern crate time;
extern crate ansi_term; //TODO: remove this
extern crate rustc_hex;
extern crate igd;
extern crate libc;
extern crate slab;
extern crate ethkey;
extern crate ethcrypto as crypto;
extern crate rlp;
extern crate bytes;
extern crate path;
extern crate ethcore_logger;
extern crate ethcore_network as network;
extern crate ipnetwork;
extern crate keccak_hash as hash;
extern crate serde;
extern crate serde_json;
extern crate snappy;
#[macro_use]
extern crate error_chain;
#[macro_use]
extern crate log;
#[macro_use]
extern crate serde_derive;
#[cfg(test)]
extern crate tempdir;
mod host;
mod connection;
mod handshake;
mod session;
mod discovery;
mod service;
mod node_table;
mod stats;
mod ip_utils;
mod connection_filter;
pub use service::NetworkService;
pub use stats::NetworkStats;
pub use connection_filter::{ConnectionFilter, ConnectionDirection};
pub use host::NetworkContext;
pub use io::TimerToken;
pub use node_table::{validate_node_url, NodeId};
const PROTOCOL_VERSION: u32 = 5;

3
util/network/src/node_table.rs → util/network-devp2p/src/node_table.rs
View File

@ -23,8 +23,7 @@ use std::str::FromStr;
use std::{fs, mem, slice};
use ethereum_types::H512;
use rlp::*;
use error::{Error, ErrorKind};
use {AllowIP, IpFilter};
use network::{Error, ErrorKind, AllowIP, IpFilter};
use discovery::{TableUpdates, NodeEntry};
use ip_utils::*;
use serde_json;

6
util/network/src/service.rs → util/network-devp2p/src/service.rs
View File

@ -14,9 +14,9 @@
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use {NetworkProtocolHandler, NetworkConfiguration, NonReservedPeerMode};
use error::Error;
use host::{Host, NetworkContext, NetworkIoMessage, PeerId, ProtocolId};
use network::{Error, NetworkConfiguration, NetworkProtocolHandler, NonReservedPeerMode};
use network::{NetworkContext, PeerId, ProtocolId, NetworkIoMessage};
use host::Host;
use stats::NetworkStats;
use io::*;
use parking_lot::RwLock;

79
util/network/src/session.rs → util/network-devp2p/src/session.rs
View File

@ -16,7 +16,6 @@
use std::{str, io};
use std::net::SocketAddr;
use std::cmp::Ordering;
use std::sync::*;
use std::collections::HashMap;
@ -28,7 +27,8 @@ use rlp::*;
use connection::{EncryptedConnection, Packet, Connection, MAX_PAYLOAD_SIZE};
use handshake::Handshake;
use io::{IoContext, StreamToken};
use error::{Error, ErrorKind, DisconnectReason};
use network::{Error, ErrorKind, DisconnectReason, SessionInfo, ProtocolId, PeerCapabilityInfo};
use network::{SessionCapabilityInfo, HostInfo as HostInfoTrait};
use host::*;
use node_table::NodeId;
use stats::NetworkStats;
@ -90,81 +90,6 @@ pub enum SessionData {
Continue,
}
/// Shared session information
#[derive(Debug, Clone)]
pub struct SessionInfo {
/// Peer public key
pub id: Option<NodeId>,
/// Peer client ID
pub client_version: String,
/// Peer RLPx protocol version
pub protocol_version: u32,
/// Session protocol capabilities
pub capabilities: Vec<SessionCapabilityInfo>,
/// Peer protocol capabilities
pub peer_capabilities: Vec<PeerCapabilityInfo>,
/// Peer ping delay in milliseconds
pub ping_ms: Option<u64>,
/// True if this session was originated by us.
pub originated: bool,
/// Remote endpoint address of the session
pub remote_address: String,
/// Local endpoint address of the session
pub local_address: String,
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct PeerCapabilityInfo {
pub protocol: ProtocolId,
pub version: u8,
}
impl Decodable for PeerCapabilityInfo {
fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
let p: Vec<u8> = rlp.val_at(0)?;
if p.len() != 3 {
return Err(DecoderError::Custom("Invalid subprotocol string length. Should be 3"));
}
let mut p2: ProtocolId = [0u8; 3];
p2.clone_from_slice(&p);
Ok(PeerCapabilityInfo {
protocol: p2,
version: rlp.val_at(1)?
})
}
}
impl ToString for PeerCapabilityInfo {
fn to_string(&self) -> String {
format!("{}/{}", str::from_utf8(&self.protocol[..]).unwrap_or("???"), self.version)
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct SessionCapabilityInfo {
pub protocol: [u8; 3],
pub version: u8,
pub packet_count: u8,
pub id_offset: u8,
}
impl PartialOrd for SessionCapabilityInfo {
fn partial_cmp(&self, other: &SessionCapabilityInfo) -> Option<Ordering> {
Some(self.cmp(other))
}
}
impl Ord for SessionCapabilityInfo {
fn cmp(&self, b: &SessionCapabilityInfo) -> Ordering {
// By protocol id first
if self.protocol != b.protocol {
return self.protocol.cmp(&b.protocol);
}
// By version
self.version.cmp(&b.version)
}
}
const PACKET_HELLO: u8 = 0x80;
const PACKET_DISCONNECT: u8 = 0x01;
const PACKET_PING: u8 = 0x02;

0
util/network/src/stats.rs → util/network-devp2p/src/stats.rs
View File

2
util/network/tests/tests.rs → util/network-devp2p/tests/tests.rs
View File

@ -21,6 +21,7 @@ extern crate ethcore_bytes;
extern crate ethcore_io as io;
extern crate ethcore_logger;
extern crate ethcore_network;
extern crate ethcore_network_devp2p;
extern crate ethkey;
use std::sync::atomic::{AtomicBool, Ordering as AtomicOrdering};
@ -30,6 +31,7 @@ use std::time::*;
use parking_lot::Mutex;
use ethcore_bytes::Bytes;
use ethcore_network::*;
use ethcore_network_devp2p::NetworkService;
use ethkey::{Random, Generator};
use io::TimerToken;

26
util/network/Cargo.toml
View File

@ -7,37 +7,11 @@ version = "1.11.0"
authors = ["Parity Technologies <admin@parity.io>"]
[dependencies]
log = "0.3"
mio = "0.6.8"
bytes = "0.4"
rand = "0.4"
time = "0.1.34"
tiny-keccak = "1.3"
rust-crypto = "0.2.34"
slab = "0.2"
igd = "0.6"
libc = "0.2.7"
parking_lot = "0.5"
ansi_term = "0.10"
rustc-hex = "1.0"
ethcore-io = { path = "../io" }
ethcore-bytes = { path = "../bytes" }
ethereum-types = "0.2"
ethkey = { path = "../../ethkey" }
ethcrypto = { path = "../../ethcrypto" }
rlp = { path = "../rlp" }
path = { path = "../path" }
ethcore-logger = { path ="../../logger" }
ipnetwork = "0.12.6"
keccak-hash = { path = "../hash" }
snappy = { git = "https://github.com/paritytech/rust-snappy" }
serde = "1.0"
serde_json = "1.0"
serde_derive = "1.0"
error-chain = { version = "0.11", default-features = false }
[dev-dependencies]
tempdir = "0.3"
[features]
default = []

410
util/network/src/lib.rs
View File

@ -1,4 +1,4 @@
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// Copyright 2018 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
@ -14,111 +14,338 @@
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
//! Network and general IO module.
//!
//! Example usage for craeting a network service and adding an IO handler:
//!
//! ```rust
//! extern crate ethcore_network as net;
//! use net::*;
//! use std::sync::Arc;
//!
//! struct MyHandler;
//!
//! impl NetworkProtocolHandler for MyHandler {
//! fn initialize(&self, io: &NetworkContext, _host_info: &HostInfo) {
//! io.register_timer(0, 1000);
//! }
//!
//! fn read(&self, io: &NetworkContext, peer: &PeerId, packet_id: u8, data: &[u8]) {
//! println!("Received {} ({} bytes) from {}", packet_id, data.len(), peer);
//! }
//!
//! fn connected(&self, io: &NetworkContext, peer: &PeerId) {
//! println!("Connected {}", peer);
//! }
//!
//! fn disconnected(&self, io: &NetworkContext, peer: &PeerId) {
//! println!("Disconnected {}", peer);
//! }
//! }
//!
//! fn main () {
//! let mut service = NetworkService::new(NetworkConfiguration::new_local(), None).expect("Error creating network service");
//! service.start().expect("Error starting service");
//! service.register_protocol(Arc::new(MyHandler), *b"myp", 1, &[1u8]);
//!
//! // Wait for quit condition
//! // ...
//! // Drop the service
//! }
//! ```
//TODO: use Poll from mio
#![allow(deprecated)]
#![recursion_limit="128"]
extern crate ethcore_io as io;
extern crate ethcore_bytes;
extern crate ethereum_types;
extern crate parking_lot;
extern crate mio;
extern crate tiny_keccak;
extern crate crypto as rcrypto;
extern crate rand;
extern crate time;
extern crate ansi_term; //TODO: remove this
extern crate rustc_hex;
extern crate igd;
extern crate libc;
extern crate slab;
extern crate ethkey;
extern crate ethcrypto as crypto;
extern crate ethereum_types;
extern crate ethkey;
extern crate rlp;
extern crate bytes;
extern crate path;
extern crate ethcore_logger;
extern crate ipnetwork;
extern crate keccak_hash as hash;
extern crate serde;
extern crate serde_json;
extern crate snappy;
#[macro_use]
extern crate error_chain;
#[macro_use]
extern crate log;
#[macro_use]
extern crate serde_derive;
#[cfg(test)]
extern crate tempdir;
mod host;
mod connection;
mod handshake;
mod session;
mod discovery;
mod service;
mod error;
mod node_table;
mod stats;
mod ip_utils;
mod connection_filter;
pub use host::{HostInfo, PeerId, PacketId, ProtocolId, NetworkContext, NetworkIoMessage, NetworkConfiguration};
pub use service::NetworkService;
pub use error::{Error, ErrorKind};
pub use stats::NetworkStats;
pub use session::SessionInfo;
pub use connection_filter::{ConnectionFilter, ConnectionDirection};
pub use io::TimerToken;
pub use node_table::{validate_node_url, NodeId};
use ipnetwork::{IpNetwork, IpNetworkError};
use std::str::FromStr;
pub use error::{Error, ErrorKind, DisconnectReason};
const PROTOCOL_VERSION: u32 = 5;
use std::cmp::Ordering;
use std::collections::HashMap;
use std::net::{SocketAddr, SocketAddrV4, Ipv4Addr};
use std::str::{self, FromStr};
use std::sync::Arc;
use ipnetwork::{IpNetwork, IpNetworkError};
use io::IoChannel;
use ethkey::Secret;
use ethereum_types::{H256, H512};
use rlp::{Decodable, DecoderError, UntrustedRlp};
/// Protocol handler level packet id
pub type PacketId = u8;
/// Protocol / handler id
pub type ProtocolId = [u8; 3];
/// Node public key
pub type NodeId = H512;
/// Local (temporary) peer session ID.
pub type PeerId = usize;
/// Messages used to communitate with the event loop from other threads.
#[derive(Clone)]
pub enum NetworkIoMessage {
/// Register a new protocol handler.
AddHandler {
/// Handler shared instance.
handler: Arc<NetworkProtocolHandler + Sync>,
/// Protocol Id.
protocol: ProtocolId,
/// Supported protocol versions.
versions: Vec<u8>,
/// Number of packet IDs reserved by the protocol.
packet_count: u8,
},
/// Register a new protocol timer
AddTimer {
/// Protocol Id.
protocol: ProtocolId,
/// Timer token.
token: TimerToken,
/// Timer delay in milliseconds.
delay: u64,
},
/// Initliaze public interface.
InitPublicInterface,
/// Disconnect a peer.
Disconnect(PeerId),
/// Disconnect and temporary disable peer.
DisablePeer(PeerId),
/// Network has been started with the host as the given enode.
NetworkStarted(String),
}
/// Shared session information
#[derive(Debug, Clone)]
pub struct SessionInfo {
/// Peer public key
pub id: Option<NodeId>,
/// Peer client ID
pub client_version: String,
/// Peer RLPx protocol version
pub protocol_version: u32,
/// Session protocol capabilities
pub capabilities: Vec<SessionCapabilityInfo>,
/// Peer protocol capabilities
pub peer_capabilities: Vec<PeerCapabilityInfo>,
/// Peer ping delay in milliseconds
pub ping_ms: Option<u64>,
/// True if this session was originated by us.
pub originated: bool,
/// Remote endpoint address of the session
pub remote_address: String,
/// Local endpoint address of the session
pub local_address: String,
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct PeerCapabilityInfo {
pub protocol: ProtocolId,
pub version: u8,
}
impl Decodable for PeerCapabilityInfo {
fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
let p: Vec<u8> = rlp.val_at(0)?;
if p.len() != 3 {
return Err(DecoderError::Custom("Invalid subprotocol string length. Should be 3"));
}
let mut p2: ProtocolId = [0u8; 3];
p2.clone_from_slice(&p);
Ok(PeerCapabilityInfo {
protocol: p2,
version: rlp.val_at(1)?
})
}
}
impl ToString for PeerCapabilityInfo {
fn to_string(&self) -> String {
format!("{}/{}", str::from_utf8(&self.protocol[..]).unwrap_or("???"), self.version)
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct SessionCapabilityInfo {
pub protocol: [u8; 3],
pub version: u8,
pub packet_count: u8,
pub id_offset: u8,
}
impl PartialOrd for SessionCapabilityInfo {
fn partial_cmp(&self, other: &SessionCapabilityInfo) -> Option<Ordering> {
Some(self.cmp(other))
}
}
impl Ord for SessionCapabilityInfo {
fn cmp(&self, b: &SessionCapabilityInfo) -> Ordering {
// By protocol id first
if self.protocol != b.protocol {
return self.protocol.cmp(&b.protocol);
}
// By version
self.version.cmp(&b.version)
}
}
/// Network service configuration
#[derive(Debug, PartialEq, Clone)]
pub struct NetworkConfiguration {
/// Directory path to store general network configuration. None means nothing will be saved
pub config_path: Option<String>,
/// Directory path to store network-specific configuration. None means nothing will be saved
pub net_config_path: Option<String>,
/// IP address to listen for incoming connections. Listen to all connections by default
pub listen_address: Option<SocketAddr>,
/// IP address to advertise. Detected automatically if none.
pub public_address: Option<SocketAddr>,
/// Port for UDP connections, same as TCP by default
pub udp_port: Option<u16>,
/// Enable NAT configuration
pub nat_enabled: bool,
/// Enable discovery
pub discovery_enabled: bool,
/// List of initial node addresses
pub boot_nodes: Vec<String>,
/// Use provided node key instead of default
pub use_secret: Option<Secret>,
/// Minimum number of connected peers to maintain
pub min_peers: u32,
/// Maximum allowed number of peers
pub max_peers: u32,
/// Maximum handshakes
pub max_handshakes: u32,
/// Reserved protocols. Peers with <key> protocol get additional <value> connection slots.
pub reserved_protocols: HashMap<ProtocolId, u32>,
/// List of reserved node addresses.
pub reserved_nodes: Vec<String>,
/// The non-reserved peer mode.
pub non_reserved_mode: NonReservedPeerMode,
/// IP filter
pub ip_filter: IpFilter,
/// Client identifier
pub client_version: String,
}
impl Default for NetworkConfiguration {
fn default() -> Self {
NetworkConfiguration::new()
}
}
impl NetworkConfiguration {
/// Create a new instance of default settings.
pub fn new() -> Self {
NetworkConfiguration {
config_path: None,
net_config_path: None,
listen_address: None,
public_address: None,
udp_port: None,
nat_enabled: true,
discovery_enabled: true,
boot_nodes: Vec::new(),
use_secret: None,
min_peers: 25,
max_peers: 50,
max_handshakes: 64,
reserved_protocols: HashMap::new(),
ip_filter: IpFilter::default(),
reserved_nodes: Vec::new(),
non_reserved_mode: NonReservedPeerMode::Accept,
client_version: "Parity-network".into(),
}
}
/// Create new default configuration with sepcified listen port.
pub fn new_with_port(port: u16) -> NetworkConfiguration {
let mut config = NetworkConfiguration::new();
config.listen_address = Some(SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::new(0, 0, 0, 0), port)));
config
}
/// Create new default configuration for localhost-only connection with random port (usefull for testing)
pub fn new_local() -> NetworkConfiguration {
let mut config = NetworkConfiguration::new();
config.listen_address = Some(SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 0)));
config.nat_enabled = false;
config
}
}
/// IO access point. This is passed to all IO handlers and provides an interface to the IO subsystem.
pub trait NetworkContext {
/// Send a packet over the network to another peer.
fn send(&self, peer: PeerId, packet_id: PacketId, data: Vec<u8>) -> Result<(), Error>;
/// Send a packet over the network to another peer using specified protocol.
fn send_protocol(&self, protocol: ProtocolId, peer: PeerId, packet_id: PacketId, data: Vec<u8>) -> Result<(), Error>;
/// Respond to a current network message. Panics if no there is no packet in the context. If the session is expired returns nothing.
fn respond(&self, packet_id: PacketId, data: Vec<u8>) -> Result<(), Error>;
/// Get an IoChannel.
fn io_channel(&self) -> IoChannel<NetworkIoMessage>;
/// Disconnect a peer and prevent it from connecting again.
fn disable_peer(&self, peer: PeerId);
/// Disconnect peer. Reconnect can be attempted later.
fn disconnect_peer(&self, peer: PeerId);
/// Check if the session is still active.
fn is_expired(&self) -> bool;
/// Register a new IO timer. 'IoHandler::timeout' will be called with the token.
fn register_timer(&self, token: TimerToken, ms: u64) -> Result<(), Error>;
/// Returns peer identification string
fn peer_client_version(&self, peer: PeerId) -> String;
/// Returns information on p2p session
fn session_info(&self, peer: PeerId) -> Option<SessionInfo>;
/// Returns max version for a given protocol.
fn protocol_version(&self, protocol: ProtocolId, peer: PeerId) -> Option<u8>;
/// Returns this object's subprotocol name.
fn subprotocol_name(&self) -> ProtocolId;
}
impl<'a, T> NetworkContext for &'a T where T: ?Sized + NetworkContext {
fn send(&self, peer: PeerId, packet_id: PacketId, data: Vec<u8>) -> Result<(), Error> {
(**self).send(peer, packet_id, data)
}
fn send_protocol(&self, protocol: ProtocolId, peer: PeerId, packet_id: PacketId, data: Vec<u8>) -> Result<(), Error> {
(**self).send_protocol(protocol, peer, packet_id, data)
}
fn respond(&self, packet_id: PacketId, data: Vec<u8>) -> Result<(), Error> {
(**self).respond(packet_id, data)
}
fn io_channel(&self) -> IoChannel<NetworkIoMessage> {
(**self).io_channel()
}
fn disable_peer(&self, peer: PeerId) {
(**self).disable_peer(peer)
}
fn disconnect_peer(&self, peer: PeerId) {
(**self).disconnect_peer(peer)
}
fn is_expired(&self) -> bool {
(**self).is_expired()
}
fn register_timer(&self, token: TimerToken, ms: u64) -> Result<(), Error> {
(**self).register_timer(token, ms)
}
fn peer_client_version(&self, peer: PeerId) -> String {
(**self).peer_client_version(peer)
}
fn session_info(&self, peer: PeerId) -> Option<SessionInfo> {
(**self).session_info(peer)
}
fn protocol_version(&self, protocol: ProtocolId, peer: PeerId) -> Option<u8> {
(**self).protocol_version(protocol, peer)
}
fn subprotocol_name(&self) -> ProtocolId {
(**self).subprotocol_name()
}
}
pub trait HostInfo {
/// Returns public key
fn id(&self) -> &NodeId;
/// Returns secret key
fn secret(&self) -> &Secret;
/// Increments and returns connection nonce.
fn next_nonce(&mut self) -> H256;
/// Returns the client version.
fn client_version(&self) -> &str;
}
/// Network IO protocol handler. This needs to be implemented for each new subprotocol.
/// All the handler function are called from within IO event loop.
@ -157,7 +384,6 @@ impl NonReservedPeerMode {
}
#[derive(Clone, Debug, PartialEq, Eq)]
#[cfg_attr(feature = "ipc", binary)]
pub struct IpFilter {
pub predefined: AllowIP,
pub custom_allow: Vec<IpNetwork>,

12
whisper/src/net/mod.rs
View File

@ -392,7 +392,7 @@ pub trait Context {
fn send(&self, PeerId, u8, Vec<u8>);
}
impl<'a> Context for NetworkContext<'a> {
impl<T> Context for T where T: ?Sized + NetworkContext {
fn disconnect_peer(&self, peer: PeerId) {
NetworkContext::disconnect_peer(self, peer);
}
@ -437,7 +437,7 @@ impl<T> Network<T> {
}
/// Post a message to the whisper network to be relayed.
pub fn post_message<C: Context>(&self, message: Message, context: &C) -> bool
pub fn post_message<C: ?Sized + Context>(&self, message: Message, context: &C) -> bool
where T: MessageHandler
{
let ok = self.messages.write().insert(message);
@ -452,7 +452,7 @@ impl<T> Network<T> {
}
impl<T: MessageHandler> Network<T> {
fn rally<C: Context>(&self, io: &C) {
fn rally<C: ?Sized + Context>(&self, io: &C) {
// cannot be greater than 16MB (protocol limitation)
const MAX_MESSAGES_PACKET_SIZE: usize = 8 * 1024 * 1024;
@ -627,7 +627,7 @@ impl<T: MessageHandler> Network<T> {
Ok(())
}
fn on_connect<C: Context>(&self, io: &C, peer: &PeerId) {
fn on_connect<C: ?Sized + Context>(&self, io: &C, peer: &PeerId) {
trace!(target: "whisper", "Connecting peer {}", peer);
let node_key = match io.node_key(*peer) {
@ -660,7 +660,7 @@ impl<T: MessageHandler> Network<T> {
io.send(*peer, packet::STATUS, ::rlp::EMPTY_LIST_RLP.to_vec());
}
fn on_packet<C: Context>(&self, io: &C, peer: &PeerId, packet_id: u8, data: &[u8]) {
fn on_packet<C: ?Sized + Context>(&self, io: &C, peer: &PeerId, packet_id: u8, data: &[u8]) {
let rlp = UntrustedRlp::new(data);
let res = match packet_id {
packet::STATUS => self.on_status(peer, rlp),
@ -708,7 +708,7 @@ impl<T: MessageHandler> ::network::NetworkProtocolHandler for Network<T> {
// rally with each peer and handle timeouts.
match timer {
RALLY_TOKEN => self.rally(io),
other => debug!(target: "whisper", "Timout triggered on unknown token {}", other),
other => debug!(target: "whisper", "Timeout triggered on unknown token {}", other),
}
}
}