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use ::std::collections::{BTreeMap, HashMap, HashSet, VecDeque};
use ::std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
use crate::network::{Connection, LocalSocket, Utilization};
static RECALL_LENGTH: usize = 5;
pub trait Bandwidth {
fn get_total_bytes_downloaded(&self) -> u128;
fn get_total_bytes_uploaded(&self) -> u128;
}
#[derive(Default)]
pub struct NetworkData {
pub total_bytes_downloaded: u128,
pub total_bytes_uploaded: u128,
pub connection_count: u128,
}
#[derive(Default)]
pub struct ConnectionData {
pub total_bytes_downloaded: u128,
pub total_bytes_uploaded: u128,
pub process_name: String,
pub interface_name: String,
}
impl NetworkData {
pub fn divide_by(&mut self, amount: u128) {
self.total_bytes_downloaded /= amount;
self.total_bytes_uploaded /= amount;
}
}
impl ConnectionData {
pub fn divide_by(&mut self, amount: u128) {
self.total_bytes_downloaded /= amount;
self.total_bytes_uploaded /= amount;
}
}
impl Bandwidth for ConnectionData {
fn get_total_bytes_uploaded(&self) -> u128 {
self.total_bytes_uploaded
}
fn get_total_bytes_downloaded(&self) -> u128 {
self.total_bytes_downloaded
}
}
impl Bandwidth for NetworkData {
fn get_total_bytes_uploaded(&self) -> u128 {
self.total_bytes_uploaded
}
fn get_total_bytes_downloaded(&self) -> u128 {
self.total_bytes_downloaded
}
}
pub struct UtilizationData {
connections_to_procs: HashMap<LocalSocket, String>,
network_utilization: Utilization,
}
#[derive(Default)]
pub struct UIState {
pub processes: BTreeMap<String, NetworkData>,
pub remote_addresses: BTreeMap<IpAddr, NetworkData>,
pub connections: BTreeMap<Connection, ConnectionData>,
pub total_bytes_downloaded: u128,
pub total_bytes_uploaded: u128,
utilization_data: VecDeque<UtilizationData>,
}
impl UIState {
fn get_proc_name<'a>(
connections_to_procs: &'a HashMap<LocalSocket, String>,
local_socket: &LocalSocket,
) -> Option<&'a String> {
if let Some(process_name) = connections_to_procs.get(local_socket) {
Some(process_name)
} else if let Some(process_name) = connections_to_procs.get(&LocalSocket {
ip: IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)),
port: local_socket.port,
protocol: local_socket.protocol,
}) {
Some(process_name)
} else {
connections_to_procs.get(&LocalSocket {
ip: IpAddr::V6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0)),
port: local_socket.port,
protocol: local_socket.protocol,
})
}
}
pub fn update(
&mut self,
connections_to_procs: HashMap<LocalSocket, String>,
network_utilization: Utilization,
) {
self.utilization_data.push_back(UtilizationData {
connections_to_procs,
network_utilization,
});
if self.utilization_data.len() > RECALL_LENGTH {
self.utilization_data.pop_front();
}
let mut processes: BTreeMap<String, NetworkData> = BTreeMap::new();
let mut remote_addresses: BTreeMap<IpAddr, NetworkData> = BTreeMap::new();
let mut connections: BTreeMap<Connection, ConnectionData> = BTreeMap::new();
let mut total_bytes_downloaded: u128 = 0;
let mut total_bytes_uploaded: u128 = 0;
let mut seen_connections = HashSet::new();
for state in self.utilization_data.iter().rev() {
let connections_to_procs = &state.connections_to_procs;
let network_utilization = &state.network_utilization;
for (connection, connection_info) in &network_utilization.connections {
let connection_previously_seen = !seen_connections.insert(connection);
let connection_data = connections.entry(connection.clone()).or_default();
let data_for_remote_address = remote_addresses
.entry(connection.remote_socket.ip)
.or_default();
connection_data.total_bytes_downloaded += connection_info.total_bytes_downloaded;
connection_data.total_bytes_uploaded += connection_info.total_bytes_uploaded;
connection_data.interface_name = connection_info.interface_name.clone();
data_for_remote_address.total_bytes_downloaded +=
connection_info.total_bytes_downloaded;
data_for_remote_address.total_bytes_uploaded +=
connection_info.total_bytes_uploaded;
if !connection_previously_seen {
data_for_remote_address.connection_count += 1;
}
total_bytes_downloaded += connection_info.total_bytes_downloaded;
total_bytes_uploaded += connection_info.total_bytes_uploaded;
if let Some(process_name) =
UIState::get_proc_name(&connections_to_procs, &connection.local_socket)
{
let data_for_process = processes.entry(process_name.clone()).or_default();
data_for_process.total_bytes_downloaded +=
connection_info.total_bytes_downloaded;
data_for_process.total_bytes_uploaded += connection_info.total_bytes_uploaded;
if !connection_previously_seen {
data_for_process.connection_count += 1;
}
connection_data.process_name = process_name.clone();
} else {
connection_data.process_name = String::from("<UNKNOWN>");
}
}
}
let divide_by = if self.utilization_data.is_empty() {
1 as u128
} else {
self.utilization_data.len() as u128
};
for (_, network_data) in processes.iter_mut() {
network_data.divide_by(divide_by)
}
for (_, network_data) in remote_addresses.iter_mut() {
network_data.divide_by(divide_by)
}
for (_, connection_data) in connections.iter_mut() {
connection_data.divide_by(divide_by)
}
self.processes = processes;
self.remote_addresses = remote_addresses;
self.connections = connections;
self.total_bytes_downloaded = total_bytes_downloaded / divide_by;
self.total_bytes_uploaded = total_bytes_uploaded / divide_by;
}
}
|
