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pub mod cla;
pub mod core;
pub mod dtnconfig;
pub mod dtnd;
pub mod ipnd;
pub mod routing;
use crate::core::bundlepack::BundlePack;
use crate::core::store::{BundleStore, InMemoryBundleStore};
use crate::core::DtnStatistics;
use crate::routing::RoutingAgent;
use bp7::{Bundle, EndpointID};
use cla::CLAEnum;
pub use dtnconfig::DtnConfig;
use log::error;
pub use crate::core::{DtnCore, DtnPeer};
pub use crate::routing::RoutingNotifcation;
use crate::core::store::BundleStoresEnum;
use anyhow::Result;
use lazy_static::*;
use parking_lot::Mutex;
use std::collections::HashMap;
use std::net::IpAddr;
use tokio::sync::mpsc::Sender;
lazy_static! {
pub static ref CONFIG: Mutex<DtnConfig> = Mutex::new(DtnConfig::new());
pub static ref DTNCORE: Mutex<DtnCore> = Mutex::new(DtnCore::new());
pub static ref PEERS: Mutex<HashMap<String, DtnPeer>> = Mutex::new(HashMap::new());
pub static ref STATS: Mutex<DtnStatistics> = Mutex::new(DtnStatistics::new());
pub static ref SENDERTASK: Mutex<Option<Sender<Bundle>>> = Mutex::new(None);
pub static ref STORE: Mutex<BundleStoresEnum> = Mutex::new(InMemoryBundleStore::new().into());
}
pub fn cla_add(cla: CLAEnum) {
(*DTNCORE.lock()).cl_list.push(cla);
}
pub fn service_add(tag: u8, service: String) {
(*DTNCORE.lock()).service_list.insert(tag, service);
}
pub fn add_discovery_destination(destination: &str) {
(*CONFIG.lock())
.discovery_destinations
.insert(destination.to_string(), 0);
}
pub fn reset_sequence(destination: &str) {
if let Some(sequence) = (*CONFIG.lock()).discovery_destinations.get_mut(destination) {
*sequence = 0;
}
}
pub fn get_sequence(destination: &str) -> u32 {
if let Some(sequence) = (*CONFIG.lock()).discovery_destinations.get(destination) {
*sequence
} else {
0
}
}
pub fn peers_add(peer: DtnPeer) -> bool {
(*PEERS.lock())
.insert(peer.eid.node().unwrap(), peer)
.is_none()
}
pub fn peers_count() -> usize {
(*PEERS.lock()).len()
}
pub fn peers_clear() {
(*PEERS.lock()).clear();
}
pub fn peers_get_for_node(eid: &EndpointID) -> Option<DtnPeer> {
for (_, p) in (*PEERS.lock()).iter() {
if p.node_name() == eid.node().unwrap_or_default() {
return Some(p.clone());
}
}
None
}
pub fn is_local_node_id(eid: &EndpointID) -> bool {
eid.node_id() == (*CONFIG.lock()).host_eid.node_id()
}
pub fn peers_cla_for_node(eid: &EndpointID) -> Option<crate::cla::ClaSender> {
if let Some(peer) = peers_get_for_node(eid) {
return peer.first_cla();
}
None
}
pub fn peer_find_by_remote(addr: &IpAddr) -> Option<String> {
for (_, p) in (*PEERS.lock()).iter() {
if p.addr() == addr {
return Some(p.node_name());
}
}
None
}
pub fn store_push_bundle(bndl: &Bundle) -> Result<()> {
(*STORE.lock()).push(bndl)
}
pub fn store_remove(bid: &str) {
if let Err(err) = (*STORE.lock()).remove(bid) {
error!("store_remove: {}", err);
}
}
pub fn store_update_metadata(bp: &BundlePack) -> Result<()> {
(*STORE.lock()).update_metadata(bp)
}
pub fn store_has_item(bid: &str) -> bool {
(*STORE.lock()).has_item(bid)
}
pub fn store_get_bundle(bpid: &str) -> Option<Bundle> {
(*STORE.lock()).get_bundle(bpid)
}
pub fn store_get_metadata(bpid: &str) -> Option<BundlePack> {
(*STORE.lock()).get_metadata(bpid)
}
pub fn store_delete_expired() {
let pending_bids: Vec<String> = (*STORE.lock()).pending();
let expired: Vec<String> = pending_bids
.iter()
.map(|b| (*STORE.lock()).get_bundle(b))
.flatten()
.filter(|e| e.primary.is_lifetime_exceeded())
.map(|e| e.id())
.collect();
for bid in expired {
store_remove(&bid);
}
}
pub fn routing_notify(notification: RoutingNotifcation) {
(*DTNCORE.lock()).routing_agent.notify(notification);
}