Files
darkfi/src/net/settings.rs

266 lines
9.8 KiB
Rust

/* This file is part of DarkFi (https://dark.fi)
*
* Copyright (C) 2020-2024 Dyne.org foundation
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use std::sync::Arc;
use structopt::StructOpt;
use url::Url;
/// Atomic pointer to network settings
pub type SettingsPtr = Arc<Settings>;
/// P2P network settings. The scope of this is a P2P network instance
/// configured by the library user.
#[derive(Debug, Clone)]
pub struct Settings {
/// Only used for debugging, compromises privacy when set
pub node_id: String,
/// P2P accept addresses the instance listens on for inbound connections
pub inbound_addrs: Vec<Url>,
/// P2P external addresses the instance advertises so other peers can
/// reach us and connect to us, as long as inbound addrs are configured
pub external_addrs: Vec<Url>,
/// Peer nodes to manually connect to
pub peers: Vec<Url>,
/// Seed nodes to connect to for peer discovery and/or adversising our
/// own external addresses
pub seeds: Vec<Url>,
/// Application version, used for convenient protocol matching
pub app_version: semver::Version,
/// Whitelisted network transports for outbound connections
pub allowed_transports: Vec<String>,
/// Allow transport mixing (e.g. Tor would be allowed to connect to `tcp://`)
pub transport_mixing: bool,
/// Outbound connection slots number, this many connections will be
/// attempted. (This does not include manual connections)
pub outbound_connections: usize,
/// Inbound connection slots number, this many active listening connections
/// will be allowed. (This does not include manual connections)
pub inbound_connections: usize,
/// Manual connections retry limit, 0 for forever looping
pub manual_attempt_limit: usize,
/// Outbound connection timeout (in seconds)
pub outbound_connect_timeout: u64,
/// Exchange versions (handshake) timeout (in seconds)
pub channel_handshake_timeout: u64,
/// Ping-pong exchange execution interval (in seconds)
pub channel_heartbeat_interval: u64,
/// Allow localnet hosts
pub localnet: bool,
/// Cooling off time for peer discovery when unsuccessful
pub outbound_peer_discovery_cooloff_time: u64,
/// Time between peer discovery attempts
pub outbound_peer_discovery_attempt_time: u64,
/// Hostlist storage path
pub hostlist: String,
/// Pause interval within greylist refinery process
pub greylist_refinery_interval: u64,
/// Percent of connections to come from the whitelist
pub white_connection_percent: usize,
/// Number of anchorlist connections
pub anchor_connection_count: usize,
/// Number of seconds with no connections after which refinery
/// process is paused.
pub time_with_no_connections: u64,
}
impl Default for Settings {
fn default() -> Self {
let version = option_env!("CARGO_PKG_VERSION").unwrap_or("0.0.0");
let app_version = semver::Version::parse(version).unwrap();
Self {
node_id: String::new(),
inbound_addrs: vec![],
external_addrs: vec![],
peers: vec![],
seeds: vec![],
app_version,
allowed_transports: vec!["tcp+tls".to_string()],
transport_mixing: true,
outbound_connections: 0,
inbound_connections: 10,
manual_attempt_limit: 0,
outbound_connect_timeout: 15,
channel_handshake_timeout: 10,
channel_heartbeat_interval: 30,
localnet: false,
outbound_peer_discovery_cooloff_time: 30,
outbound_peer_discovery_attempt_time: 5,
hostlist: "/dev/null".to_string(),
greylist_refinery_interval: 15,
white_connection_percent: 90,
anchor_connection_count: 2,
time_with_no_connections: 30,
}
}
}
// The following is used so we can have P2P settings configurable
// from TOML files.
/// Defines the network settings.
#[derive(Clone, Debug, serde::Deserialize, structopt::StructOpt, structopt_toml::StructOptToml)]
#[structopt()]
pub struct SettingsOpt {
/// P2P accept address node listens to for inbound connections
#[serde(default)]
#[structopt(long = "accept")]
pub inbound: Vec<Url>,
/// Outbound connection slots number
#[structopt(long = "outbound-slots")]
pub outbound_connections: Option<usize>,
/// Inbound connection slots number
#[structopt(long = "inbound-slots")]
pub inbound_connections: Option<usize>,
/// P2P external addresses node advertises so other peers can
/// reach us and connect to us, as long as inbound addresses
/// are also configured
#[serde(default)]
#[structopt(long)]
pub external_addrs: Vec<Url>,
/// Peer nodes to manually connect to
#[serde(default)]
#[structopt(long)]
pub peers: Vec<Url>,
/// Seed nodes to connect to for peers retrieval and/or
/// advertising our own external addresses
#[serde(default)]
#[structopt(long)]
pub seeds: Vec<Url>,
/// Manual connections retry limit
#[structopt(skip)]
pub manual_attempt_limit: Option<usize>,
/// Connection establishment timeout in seconds
#[structopt(skip)]
pub outbound_connect_timeout: Option<u64>,
/// Exchange versions (handshake) timeout in seconds
#[structopt(skip)]
pub channel_handshake_timeout: Option<u64>,
/// Ping-pong exchange execution interval in seconds
#[structopt(skip)]
pub channel_heartbeat_interval: Option<u64>,
/// Only used for debugging. Compromises privacy when set.
#[serde(default)]
#[structopt(skip)]
pub node_id: String,
/// Preferred transports for outbound connections
#[serde(default)]
#[structopt(long = "transports")]
pub allowed_transports: Option<Vec<String>>,
/// Allow transport mixing (e.g. Tor would be allowed to connect to `tcp://`)
#[structopt(long)]
pub transport_mixing: Option<bool>,
/// Allow localnet hosts
#[serde(default)]
#[structopt(long)]
pub localnet: bool,
/// Cooling off time for peer discovery when unsuccessful
#[structopt(skip)]
pub outbound_peer_discovery_cooloff_time: Option<u64>,
/// Time between peer discovery attempts
#[structopt(skip)]
pub outbound_peer_discovery_attempt_time: Option<u64>,
/// Hosts .tsv file to use
#[serde(default)]
#[structopt(long)]
pub hostlist: Option<String>,
/// Pause interval within greylist refinery process
#[structopt(skip)]
pub greylist_refinery_interval: Option<u64>,
/// Percent of connections to come from the whitelist
#[structopt(skip)]
pub white_connection_percent: Option<usize>,
/// Number of anchorlist connections
#[structopt(skip)]
pub anchor_connection_count: Option<usize>,
/// Number of seconds with no connections after which refinery
/// process is paused.
#[structopt(skip)]
pub time_with_no_connections: Option<u64>,
}
impl From<SettingsOpt> for Settings {
fn from(opt: SettingsOpt) -> Self {
let def = Settings::default();
Self {
node_id: opt.node_id,
inbound_addrs: opt.inbound,
external_addrs: opt.external_addrs,
peers: opt.peers,
seeds: opt.seeds,
app_version: def.app_version,
allowed_transports: opt.allowed_transports.unwrap_or(def.allowed_transports),
transport_mixing: opt.transport_mixing.unwrap_or(def.transport_mixing),
outbound_connections: opt.outbound_connections.unwrap_or(def.outbound_connections),
inbound_connections: opt.inbound_connections.unwrap_or(def.inbound_connections),
manual_attempt_limit: opt.manual_attempt_limit.unwrap_or(def.manual_attempt_limit),
outbound_connect_timeout: opt
.outbound_connect_timeout
.unwrap_or(def.outbound_connect_timeout),
channel_handshake_timeout: opt
.channel_handshake_timeout
.unwrap_or(def.channel_handshake_timeout),
channel_heartbeat_interval: opt
.channel_heartbeat_interval
.unwrap_or(def.channel_heartbeat_interval),
localnet: opt.localnet,
outbound_peer_discovery_cooloff_time: opt
.outbound_peer_discovery_cooloff_time
.unwrap_or(def.outbound_peer_discovery_cooloff_time),
outbound_peer_discovery_attempt_time: opt
.outbound_peer_discovery_attempt_time
.unwrap_or(def.outbound_peer_discovery_attempt_time),
hostlist: opt.hostlist.unwrap_or(def.hostlist),
greylist_refinery_interval: opt
.greylist_refinery_interval
.unwrap_or(def.greylist_refinery_interval),
white_connection_percent: opt
.white_connection_percent
.unwrap_or(def.white_connection_percent),
anchor_connection_count: opt
.anchor_connection_count
.unwrap_or(def.anchor_connection_count),
time_with_no_connections: opt
.time_with_no_connections
.unwrap_or(def.time_with_no_connections),
}
}
}