added rustfmt, a guide about this, and a CI job to enforce code quality #10

Merged
quentin merged 2 commits from adrien/diplonat:meta/formating into main 2021-09-17 08:06:53 +00:00
16 changed files with 457 additions and 334 deletions

24
.drone.yml Normal file
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@ -0,0 +1,24 @@
---
kind: pipeline
name: default
workspace:
base: /drone/diplonat
steps:
- name: code style
image: rust:1.47
commands:
- rustup component add rustfmt
- cargo fmt --all -- --check
# - name: code quality
# image: rust:1.47
# commands:
# - cargo clippy -- --deny warnings
# - name: test
# image: rust:1.47
# commands:
# - cargo build --verbose --all
# - cargo test --verbose --all

2
.rustfmt.toml Normal file
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@ -0,0 +1,2 @@
hard_tabs = false
tab_spaces = 2

34
CONTRIBUTING.md Normal file
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@ -0,0 +1,34 @@
# Contributing to Diplonat
## Development guidelines
### Code formatting
[Our CI pipeline](./.drone.yml) features a verification of the code format, using [rustfmt](https://github.com/rust-lang/rustfmt).
#### Installing rustfmt
You can run `rustfmt` with Rust 1.24 and above.
To install:
```
rustup component add rustfmt
```
#### Usage
To run on Diplonat, launch the following in the root directory:
```
cargo fmt --all
```
This will format the whole repository using the settigs defined in [`.rustfmt.toml`](./.rustfmt.toml): soft tabs of 2 spaces.
#### Auto-format code
You can automate formatting in a number of ways:
* [Setup your IDE to use `rustfmt`](https://github.com/rust-lang/rustfmt#running-rustfmt-from-your-editor).
* Setup a git hook to run `rustfmt` before each commit.

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@ -48,6 +48,10 @@ export RUST_LOG=debug
cargo run
```
## Contributing
Refer to [CONTRIBUTING.md](./CONTRIBUTING.md).
## Design Guidelines
Diplonat is made of a set of Components.

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@ -4,7 +4,9 @@ mod options_test;
mod runtime;
pub use options::{ConfigOpts, ConfigOptsAcme, ConfigOptsBase, ConfigOptsConsul};
pub use runtime::{RuntimeConfig, RuntimeConfigAcme, RuntimeConfigConsul, RuntimeConfigFirewall, RuntimeConfigIgd};
pub use runtime::{
RuntimeConfig, RuntimeConfigAcme, RuntimeConfigConsul, RuntimeConfigFirewall, RuntimeConfigIgd,
};
pub const EXPIRATION_TIME: u16 = 300;
pub const REFRESH_TIME: u16 = 60;

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@ -62,7 +62,9 @@ impl ConfigOpts {
// Currently only used in tests
#[allow(dead_code)]
pub fn from_iter<Iter: Clone>(iter: Iter) -> Result<RuntimeConfig>
where Iter: IntoIterator<Item = (String, String)> {
where
Iter: IntoIterator<Item = (String, String)>,
{
let base: ConfigOptsBase = envy::prefixed("DIPLONAT_").from_iter(iter.clone())?;
let consul: ConfigOptsConsul = envy::prefixed("DIPLONAT_CONSUL_").from_iter(iter.clone())?;
let acme: ConfigOptsAcme = envy::prefixed("DIPLONAT_ACME_").from_iter(iter.clone())?;

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@ -11,8 +11,14 @@ use crate::config::*;
fn minimal_valid_options() -> HashMap<String, String> {
let mut opts = HashMap::new();
opts.insert("DIPLONAT_PRIVATE_IP".to_string(), "172.123.43.555".to_string());
opts.insert("DIPLONAT_CONSUL_NODE_NAME".to_string(), "consul_node".to_string());
opts.insert(
"DIPLONAT_PRIVATE_IP".to_string(),
"172.123.43.555".to_string(),
);
opts.insert(
"DIPLONAT_CONSUL_NODE_NAME".to_string(),
"consul_node".to_string(),
);
opts
}
@ -20,9 +26,15 @@ fn all_valid_options() -> HashMap<String, String> {
let mut opts = minimal_valid_options();
opts.insert("DIPLONAT_EXPIRATION_TIME".to_string(), "30".to_string());
opts.insert("DIPLONAT_REFRESH_TIME".to_string(), "10".to_string());
opts.insert("DIPLONAT_CONSUL_URL".to_string(), "http://127.0.0.1:9999".to_string());
opts.insert(
"DIPLONAT_CONSUL_URL".to_string(),
"http://127.0.0.1:9999".to_string(),
);
opts.insert("DIPLONAT_ACME_ENABLE".to_string(), "true".to_string());
opts.insert("DIPLONAT_ACME_EMAIL".to_string(), "bozo@bozo.net".to_string());
opts.insert(
"DIPLONAT_ACME_EMAIL".to_string(),
"bozo@bozo.net".to_string(),
);
opts
}
@ -44,10 +56,7 @@ fn ok_from_iter_minimal_valid_options() {
&rt_config.consul.node_name,
opts.get(&"DIPLONAT_CONSUL_NODE_NAME".to_string()).unwrap()
);
assert_eq!(
rt_config.consul.url,
CONSUL_URL.to_string()
);
assert_eq!(rt_config.consul.url, CONSUL_URL.to_string());
assert_eq!(
rt_config.firewall.refresh_time,
Duration::from_secs(REFRESH_TIME.into())
@ -81,18 +90,27 @@ fn ok_from_iter_all_valid_options() {
let rt_config = ConfigOpts::from_iter(opts.clone()).unwrap();
let expiration_time = Duration::from_secs(
opts.get(&"DIPLONAT_EXPIRATION_TIME".to_string()).unwrap()
.parse::<u64>().unwrap()
.into());
opts
.get(&"DIPLONAT_EXPIRATION_TIME".to_string())
.unwrap()
.parse::<u64>()
.unwrap()
.into(),
);
let refresh_time = Duration::from_secs(
opts.get(&"DIPLONAT_REFRESH_TIME".to_string()).unwrap()
.parse::<u64>().unwrap()
.into());
opts
.get(&"DIPLONAT_REFRESH_TIME".to_string())
.unwrap()
.parse::<u64>()
.unwrap()
.into(),
);
assert!(rt_config.acme.is_some());
assert_eq!(
&rt_config.acme.unwrap().email,
opts.get(&"DIPLONAT_ACME_EMAIL".to_string()).unwrap());
opts.get(&"DIPLONAT_ACME_EMAIL".to_string()).unwrap()
);
assert_eq!(
&rt_config.consul.node_name,
opts.get(&"DIPLONAT_CONSUL_NODE_NAME".to_string()).unwrap()
@ -101,20 +119,11 @@ fn ok_from_iter_all_valid_options() {
&rt_config.consul.url,
opts.get(&"DIPLONAT_CONSUL_URL".to_string()).unwrap()
);
assert_eq!(
rt_config.firewall.refresh_time,
refresh_time
);
assert_eq!(rt_config.firewall.refresh_time, refresh_time);
assert_eq!(
&rt_config.igd.private_ip,
opts.get(&"DIPLONAT_PRIVATE_IP".to_string()).unwrap()
);
assert_eq!(
rt_config.igd.expiration_time,
expiration_time
);
assert_eq!(
rt_config.igd.refresh_time,
refresh_time
);
assert_eq!(rt_config.igd.expiration_time, expiration_time);
assert_eq!(rt_config.igd.refresh_time, refresh_time);
}

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@ -1,6 +1,6 @@
use std::time::Duration;
use anyhow::{Result, anyhow};
use anyhow::{anyhow, Result};
use crate::config::{ConfigOpts, ConfigOptsAcme, ConfigOptsBase, ConfigOptsConsul};
@ -64,46 +64,44 @@ impl RuntimeConfigAcme {
let email = opts.email.expect(
"'DIPLONAT_ACME_EMAIL' environment variable is required \
if 'DIPLONAT_ACME_ENABLE' == 'true'");
if 'DIPLONAT_ACME_ENABLE' == 'true'",
);
Ok(Some(Self {
email,
}))
Ok(Some(Self { email }))
}
}
impl RuntimeConfigConsul {
pub(super) fn new(opts: ConfigOptsConsul) -> Result<Self> {
let node_name = opts.node_name.expect(
"'DIPLONAT_CONSUL_NODE_NAME' environment variable is required");
let node_name = opts
.node_name
.expect("'DIPLONAT_CONSUL_NODE_NAME' environment variable is required");
let url = opts.url.unwrap_or(super::CONSUL_URL.to_string());
Ok(Self {
node_name,
url,
})
Ok(Self { node_name, url })
}
}
impl RuntimeConfigFirewall {
pub(super) fn new(opts: ConfigOptsBase) -> Result<Self> {
let refresh_time = Duration::from_secs(
opts.refresh_time.unwrap_or(super::REFRESH_TIME).into());
let refresh_time = Duration::from_secs(opts.refresh_time.unwrap_or(super::REFRESH_TIME).into());
Ok(Self {
refresh_time,
})
Ok(Self { refresh_time })
}
}
impl RuntimeConfigIgd {
pub(super) fn new(opts: ConfigOptsBase) -> Result<Self> {
let private_ip = opts.private_ip.expect(
"'DIPLONAT_PRIVATE_IP' environment variable is required");
let private_ip = opts
.private_ip
.expect("'DIPLONAT_PRIVATE_IP' environment variable is required");
let expiration_time = Duration::from_secs(
opts.expiration_time.unwrap_or(super::EXPIRATION_TIME).into());
let refresh_time = Duration::from_secs(
opts.refresh_time.unwrap_or(super::REFRESH_TIME).into());
opts
.expiration_time
.unwrap_or(super::EXPIRATION_TIME)
.into(),
);
let refresh_time = Duration::from_secs(opts.refresh_time.unwrap_or(super::REFRESH_TIME).into());
if refresh_time.as_secs() * 2 > expiration_time.as_secs() {
return Err(anyhow!(

View file

@ -1,21 +1,21 @@
use serde::{Serialize, Deserialize};
use anyhow::{anyhow, Result};
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use anyhow::{Result, anyhow};
#[derive(Serialize, Deserialize, Debug)]
pub struct ServiceEntry {
pub Tags: Vec<String>
pub Tags: Vec<String>,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct CatalogNode {
pub Services: HashMap<String, ServiceEntry>
pub Services: HashMap<String, ServiceEntry>,
}
pub struct Consul {
client: reqwest::Client,
url: String,
idx: Option<u64>
idx: Option<u64>,
}
impl Consul {
@ -23,7 +23,7 @@ impl Consul {
return Self {
client: reqwest::Client::new(),
url: url.to_string(),
idx: None
idx: None,
};
}
@ -34,16 +34,16 @@ impl Consul {
pub async fn watch_node(&mut self, host: &str) -> Result<CatalogNode> {
let url = match self.idx {
Some(i) => format!("{}/v1/catalog/node/{}?index={}", self.url, host, i),
None => format!("{}/v1/catalog/node/{}", self.url, host)
None => format!("{}/v1/catalog/node/{}", self.url, host),
};
let http = self.client.get(&url).send().await?;
self.idx = match http.headers().get("X-Consul-Index") {
Some(v) => Some(v.to_str()?.parse::<u64>()?),
None => return Err(anyhow!("X-Consul-Index header not found"))
None => return Err(anyhow!("X-Consul-Index header not found")),
};
let resp: CatalogNode = http.json().await?;
return Ok(resp)
return Ok(resp);
}
}

View file

@ -1,24 +1,24 @@
use std::cmp;
use std::time::Duration;
use crate::consul;
use crate::messages;
use anyhow::Result;
use log::*;
use serde::{Deserialize, Serialize};
use serde_lexpr::{error, from_str};
use std::cmp;
use std::collections::HashSet;
use std::time::Duration;
use tokio::sync::watch;
use tokio::time::delay_for;
use anyhow::Result;
use serde::{Serialize, Deserialize};
use serde_lexpr::{from_str,error};
use crate::messages;
use crate::consul;
use std::collections::HashSet;
#[derive(Serialize, Deserialize, Debug)]
pub enum DiplonatParameter {
tcp_port(HashSet<u16>),
udp_port(HashSet<u16>)
udp_port(HashSet<u16>),
}
#[derive(Serialize, Deserialize, Debug)]
pub enum DiplonatConsul {
diplonat(Vec<DiplonatParameter>)
diplonat(Vec<DiplonatParameter>),
}
pub struct ConsulActor {
@ -27,13 +27,16 @@ pub struct ConsulActor {
consul: consul::Consul,
node: String,
retries: u32,
tx_open_ports: watch::Sender<messages::PublicExposedPorts>
tx_open_ports: watch::Sender<messages::PublicExposedPorts>,
}
fn retry_to_time(retries: u32, max_time: Duration) -> Duration {
// 1.2^x seems to be a good value to exponentially increase time at a good pace
// eg. 1.2^32 = 341 seconds ~= 5 minutes - ie. after 32 retries we wait 5 minutes
return Duration::from_secs(cmp::min(max_time.as_secs(), 1.2f64.powf(retries as f64) as u64))
return Duration::from_secs(cmp::min(
max_time.as_secs(),
1.2f64.powf(retries as f64) as u64,
));
}
fn to_parameters(catalog: &consul::CatalogNode) -> Vec<DiplonatConsul> {
@ -55,7 +58,7 @@ fn to_parameters(catalog: &consul::CatalogNode) -> Vec<DiplonatConsul> {
fn to_open_ports(params: &Vec<DiplonatConsul>) -> messages::PublicExposedPorts {
let mut op = messages::PublicExposedPorts {
tcp_ports: HashSet::new(),
udp_ports: HashSet::new()
udp_ports: HashSet::new(),
};
for conf in params {
@ -73,9 +76,9 @@ fn to_open_ports(params: &Vec<DiplonatConsul>) -> messages::PublicExposedPorts {
impl ConsulActor {
pub fn new(url: &str, node: &str) -> Self {
let (tx, rx) = watch::channel(messages::PublicExposedPorts{
let (tx, rx) = watch::channel(messages::PublicExposedPorts {
tcp_ports: HashSet::new(),
udp_ports: HashSet::new()
udp_ports: HashSet::new(),
});
return Self {
@ -95,7 +98,11 @@ impl ConsulActor {
self.consul.watch_node_reset();
self.retries = cmp::min(std::u32::MAX - 1, self.retries) + 1;
let will_retry_in = retry_to_time(self.retries, Duration::from_secs(600));
error!("Failed to query consul. Will retry in {}s. {}", will_retry_in.as_secs(), e);
error!(
"Failed to query consul. Will retry in {}s. {}",
will_retry_in.as_secs(),
e
);
delay_for(will_retry_in).await;
continue;
}

View file

@ -19,22 +19,20 @@ impl Diplonat {
let ca = ConsulActor::new(&rt_cfg.consul.url, &rt_cfg.consul.node_name);
let fw = FirewallActor::new(
rt_cfg.firewall.refresh_time,
&ca.rx_open_ports
).await?;
let fw = FirewallActor::new(rt_cfg.firewall.refresh_time, &ca.rx_open_ports).await?;
let ia = IgdActor::new(
&rt_cfg.igd.private_ip,
rt_cfg.igd.refresh_time,
rt_cfg.igd.expiration_time,
&ca.rx_open_ports
).await?;
&ca.rx_open_ports,
)
.await?;
let ctx = Self {
consul: ca,
igd: ia,
firewall: fw
firewall: fw,
};
return Ok(ctx);

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@ -1,28 +1,43 @@
use crate::messages;
use anyhow::{Context, Result};
use iptables;
use log::*;
use regex::Regex;
use std::collections::HashSet;
use crate::messages;
use anyhow::{Result,Context};
use log::*;
pub fn setup(ipt: &iptables::IPTables) -> Result<()> {
// ensure we start from a clean state without any rule already set
cleanup(ipt)?;
ipt.new_chain("filter", "DIPLONAT").context("Failed to create new chain")?;
ipt.insert_unique("filter", "INPUT", "-j DIPLONAT", 1).context("Failed to insert jump rule")?;
ipt
.new_chain("filter", "DIPLONAT")
.context("Failed to create new chain")?;
ipt
.insert_unique("filter", "INPUT", "-j DIPLONAT", 1)
.context("Failed to insert jump rule")?;
Ok(())
}
pub fn open_ports(ipt: &iptables::IPTables, ports: messages::PublicExposedPorts) -> Result<()> {
for p in ports.tcp_ports {
ipt.append("filter", "DIPLONAT", &format!("-p tcp --dport {} -j ACCEPT", p)).context("Failed to insert port rule")?;
ipt
.append(
"filter",
"DIPLONAT",
&format!("-p tcp --dport {} -j ACCEPT", p),
)
.context("Failed to insert port rule")?;
}
for p in ports.udp_ports {
ipt.append("filter", "DIPLONAT", &format!("-p udp --dport {} -j ACCEPT", p)).context("Failed to insert port rule")?;
ipt
.append(
"filter",
"DIPLONAT",
&format!("-p udp --dport {} -j ACCEPT", p),
)
.context("Failed to insert port rule")?;
}
Ok(())
@ -31,18 +46,17 @@ pub fn open_ports(ipt: &iptables::IPTables, ports: messages::PublicExposedPorts)
pub fn get_opened_ports(ipt: &iptables::IPTables) -> Result<messages::PublicExposedPorts> {
let mut ports = messages::PublicExposedPorts {
tcp_ports: HashSet::new(),
udp_ports: HashSet::new()
udp_ports: HashSet::new(),
};
let list = ipt.list("filter", "DIPLONAT")?;
let re = Regex::new(r"\-A.*? \-p (\w+).*\-\-dport (\d+).*?\-j ACCEPT").context("Regex matching open ports encountered an unexpected rule")?;
let re = Regex::new(r"\-A.*? \-p (\w+).*\-\-dport (\d+).*?\-j ACCEPT")
.context("Regex matching open ports encountered an unexpected rule")?;
for i in list {
let caps = re.captures(&i);
match caps {
Some(c) => {
if let (Some(raw_proto), Some(raw_port)) = (c.get(1), c.get(2)) {
let proto = String::from(raw_proto.as_str());
let number = String::from(raw_port.as_str()).parse::<u16>()?;
@ -51,12 +65,10 @@ pub fn get_opened_ports(ipt: &iptables::IPTables) -> Result<messages::PublicExpo
} else {
ports.udp_ports.insert(number);
}
} else {
error!("Unexpected rule found in DIPLONAT chain")
}
},
}
_ => {}
}
}
@ -65,17 +77,21 @@ pub fn get_opened_ports(ipt: &iptables::IPTables) -> Result<messages::PublicExpo
}
pub fn cleanup(ipt: &iptables::IPTables) -> Result<()> {
if ipt.chain_exists("filter", "DIPLONAT")? {
ipt.flush_chain("filter", "DIPLONAT").context("Failed to flush the DIPLONAT chain")?;
ipt
.flush_chain("filter", "DIPLONAT")
.context("Failed to flush the DIPLONAT chain")?;
if ipt.exists("filter", "INPUT", "-j DIPLONAT")? {
ipt.delete("filter", "INPUT", "-j DIPLONAT").context("Failed to delete jump rule")?;
ipt
.delete("filter", "INPUT", "-j DIPLONAT")
.context("Failed to delete jump rule")?;
}
ipt.delete_chain("filter", "DIPLONAT").context("Failed to delete chain")?;
ipt
.delete_chain("filter", "DIPLONAT")
.context("Failed to delete chain")?;
}
Ok(())
}

View file

@ -1,27 +1,28 @@
use anyhow::Result;
use log::*;
use tokio::{
select,
sync::watch,
time::{
self,
Duration
}};
use log::*;
time::{self, Duration},
};
use iptables;
use crate::messages;
use crate::fw;
use crate::messages;
use iptables;
use std::collections::HashSet;
pub struct FirewallActor {
pub ipt: iptables::IPTables,
rx_ports: watch::Receiver<messages::PublicExposedPorts>,
last_ports: messages::PublicExposedPorts,
refresh: Duration
refresh: Duration,
}
impl FirewallActor {
pub async fn new(_refresh: Duration, rxp: &watch::Receiver<messages::PublicExposedPorts>) -> Result<Self> {
pub async fn new(
_refresh: Duration,
rxp: &watch::Receiver<messages::PublicExposedPorts>,
) -> Result<Self> {
let ctx = Self {
ipt: iptables::new(false)?,
rx_ports: rxp.clone(),
@ -45,7 +46,9 @@ impl FirewallActor {
};
// 2. Update last ports if needed
if let Some(p) = new_ports { self.last_ports = p; }
if let Some(p) = new_ports {
self.last_ports = p;
}
// 3. Update firewall rules
match self.do_fw_update().await {
@ -58,18 +61,26 @@ impl FirewallActor {
pub async fn do_fw_update(&self) -> Result<()> {
let curr_opened_ports = fw::get_opened_ports(&self.ipt)?;
let diff_tcp = self.last_ports.tcp_ports.difference(&curr_opened_ports.tcp_ports).copied().collect::<HashSet<u16>>();
let diff_udp = self.last_ports.udp_ports.difference(&curr_opened_ports.udp_ports).copied().collect::<HashSet<u16>>();
let diff_tcp = self
.last_ports
.tcp_ports
.difference(&curr_opened_ports.tcp_ports)
.copied()
.collect::<HashSet<u16>>();
let diff_udp = self
.last_ports
.udp_ports
.difference(&curr_opened_ports.udp_ports)
.copied()
.collect::<HashSet<u16>>();
let ports_to_open = messages::PublicExposedPorts {
tcp_ports: diff_tcp,
udp_ports: diff_udp
udp_ports: diff_udp,
};
fw::open_ports(&self.ipt, ports_to_open)?;
return Ok(());
}
}

View file

@ -1,16 +1,14 @@
use crate::messages;
use anyhow::{Context, Result};
use igd::aio::*;
use igd::PortMappingProtocol;
use std::net::SocketAddrV4;
use log::*;
use anyhow::{Result, Context};
use std::net::SocketAddrV4;
use tokio::{
select,
sync::watch,
time::{
self,
Duration
}};
use crate::messages;
time::{self, Duration},
};
pub struct IgdActor {
last_ports: messages::PublicExposedPorts,
@ -18,11 +16,16 @@ pub struct IgdActor {
gateway: Gateway,
refresh: Duration,
expire: Duration,
private_ip: String
private_ip: String,
}
impl IgdActor {
pub async fn new(priv_ip: &str, refresh: Duration, expire: Duration, rxp: &watch::Receiver<messages::PublicExposedPorts>) -> Result<Self> {
pub async fn new(
priv_ip: &str,
refresh: Duration,
expire: Duration,
rxp: &watch::Receiver<messages::PublicExposedPorts>,
) -> Result<Self> {
let gw = search_gateway(Default::default())
.await
.context("Failed to find IGD gateway")?;
@ -34,7 +37,7 @@ impl IgdActor {
private_ip: priv_ip.to_string(),
refresh: refresh,
expire: expire,
last_ports: messages::PublicExposedPorts::new()
last_ports: messages::PublicExposedPorts::new(),
};
return Ok(ctx);
@ -51,7 +54,9 @@ impl IgdActor {
};
// 2. Update last ports if needed
if let Some(p) = new_ports { self.last_ports = p; }
if let Some(p) = new_ports {
self.last_ports = p;
}
// 3. Flush IGD requests
match self.do_igd().await {
@ -64,14 +69,25 @@ impl IgdActor {
pub async fn do_igd(&self) -> Result<()> {
let actions = [
(PortMappingProtocol::TCP, &self.last_ports.tcp_ports),
(PortMappingProtocol::UDP, &self.last_ports.udp_ports)
(PortMappingProtocol::UDP, &self.last_ports.udp_ports),
];
for (proto, list) in actions.iter() {
for port in *list {
let service_str = format!("{}:{}", self.private_ip, port);
let service = service_str.parse::<SocketAddrV4>().context("Invalid socket address")?;
self.gateway.add_port(*proto, *port, service, self.expire.as_secs() as u32, "diplonat").await?;
let service = service_str
.parse::<SocketAddrV4>()
.context("Invalid socket address")?;
self
.gateway
.add_port(
*proto,
*port,
service,
self.expire.as_secs() as u32,
"diplonat",
)
.await?;
debug!("IGD request successful for {:#?} {}", proto, service);
}
}

View file

@ -7,8 +7,8 @@ mod fw_actor;
mod igd_actor;
mod messages;
use log::*;
use diplonat::Diplonat;
use log::*;
#[tokio::main]
async fn main() {

View file

@ -3,14 +3,14 @@ use std::collections::HashSet;
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct PublicExposedPorts {
pub tcp_ports: HashSet<u16>,
pub udp_ports: HashSet<u16>
pub udp_ports: HashSet<u16>,
}
impl PublicExposedPorts {
pub fn new() -> Self {
return Self {
tcp_ports: HashSet::new(),
udp_ports: HashSet::new()
}
udp_ports: HashSet::new(),
};
}
}