routing 0.37.1

A secured storage DHT
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// Copyright 2018 MaidSafe.net limited.
//
// This SAFE Network Software is licensed to you under The General Public License (GPL), version 3.
// Unless required by applicable law or agreed to in writing, the SAFE Network Software distributed
// under the GPL Licence is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. Please review the Licences for the specific language governing
// permissions and limitations relating to use of the SAFE Network Software.

// These tests are almost straight up copied from crust::service::tests

use super::crust::{CrustEventSender, CrustUser, Service};
use super::support::{to_socket_addr, Config, Network};
use id::{FullId, PublicId};
use maidsafe_utilities::event_sender::{MaidSafeEventCategory, MaidSafeObserver};
use std::collections::HashSet;
use std::sync::mpsc::{self, Receiver};
use CrustEvent;

fn get_event_sender() -> (
    CrustEventSender<PublicId>,
    Receiver<MaidSafeEventCategory>,
    Receiver<CrustEvent<PublicId>>,
) {
    let (category_tx, category_rx) = mpsc::channel();
    let (event_tx, event_rx) = mpsc::channel();

    (
        MaidSafeObserver::new(event_tx, MaidSafeEventCategory::Crust, category_tx),
        category_rx,
        event_rx,
    )
}

// Receive an event from the given receiver and asserts that it matches the given pattern.
macro_rules! expect_event {
    ($rx:expr, $pattern:pat) => {
        match unwrap!($rx.try_recv()) {
            $pattern => (),
            e => panic!("unexpected event {:?}", e),
        }
    };

    ($rx:expr, $pattern:pat => $arm:expr) => {
        match unwrap!($rx.try_recv()) {
            $pattern => $arm,
            e => panic!("unexpected event {:?}", e),
        }
    };
}

#[test]
fn start_two_services_bootstrap_communicate_exit() {
    let min_section_size = 8;
    let network = Network::new(min_section_size, None);
    let endpoint0 = network.gen_endpoint(None);
    let handle0 = network.new_service_handle(None, Some(endpoint0));

    let endpoint1 = network.gen_endpoint(None);
    let config = Config::with_contacts(&[endpoint0, endpoint1]);
    let handle1 = network.new_service_handle(Some(config.clone()), Some(endpoint1));

    let (event_sender_0, _category_rx_0, event_rx_0) = get_event_sender();
    let (event_sender_1, _category_rx_1, event_rx_1) = get_event_sender();

    let mut service_0 = unwrap!(Service::with_handle(
        &handle0,
        event_sender_0,
        *FullId::new().public_id(),
    ));

    unwrap!(service_0.start_listening_tcp());
    expect_event!(event_rx_0, CrustEvent::ListenerStarted::<PublicId>(..));

    service_0.start_service_discovery();
    let _ = service_0.set_accept_bootstrap(true);

    let mut service_1 = unwrap!(Service::with_handle(
        &handle1,
        event_sender_1,
        *FullId::new().public_id(),
    ));

    unwrap!(service_1.start_bootstrap(HashSet::new(), CrustUser::Node));
    network.deliver_messages();
    let id_0 = expect_event!(event_rx_1, CrustEvent::BootstrapConnect::<PublicId>(id, _) => id);
    let id_1 = expect_event!(event_rx_0,
        CrustEvent::BootstrapAccept::<PublicId>(id, CrustUser::Node) => id);

    assert_ne!(id_0, id_1);

    // send data from 0 to 1
    let data_sent = vec![0, 1, 255, 254, 222, 1];
    unwrap!(service_0.send(&id_1, data_sent.clone(), 0));
    network.deliver_messages();

    // 1 should rx data
    let (data_recvd, pub_id) = expect_event!(event_rx_1,
                      CrustEvent::NewMessage::<PublicId>(their_id, _, msg) => (msg, their_id));

    assert_eq!(data_recvd, data_sent);
    assert_eq!(pub_id, id_0);

    // send data from 1 to 0
    let data_sent = vec![10, 11, 155, 214, 202];
    unwrap!(service_1.send(&id_0, data_sent.clone(), 0));

    network.deliver_messages();
    // 0 should rx data
    let (data_recvd, pub_id) = expect_event!(event_rx_0,
                      CrustEvent::NewMessage::<PublicId>(their_id, _, msg) => (msg, their_id));

    assert_eq!(data_recvd, data_sent);
    assert_eq!(pub_id, id_1);

    assert!(service_0.disconnect(&id_1));
    network.deliver_messages();
    expect_event!(event_rx_1, CrustEvent::LostPeer::<PublicId>(id) => assert_eq!(id, id_0));
}

#[test]
fn start_two_services_rendezvous_connect() {
    const PREPARE_CI_TOKEN: u32 = 1;

    let min_section_size = 8;
    let network = Network::new(min_section_size, None);
    let handle0 = network.new_service_handle(None, None);
    let handle1 = network.new_service_handle(None, None);

    let (event_sender_0, _category_rx_0, event_rx_0) = get_event_sender();
    let (event_sender_1, _category_rx_1, event_rx_1) = get_event_sender();

    let service_0 = unwrap!(Service::with_handle(
        &handle0,
        event_sender_0,
        *FullId::new().public_id()
    ));
    let service_1 = unwrap!(Service::with_handle(
        &handle1,
        event_sender_1,
        *FullId::new().public_id()
    ));

    service_0.prepare_connection_info(PREPARE_CI_TOKEN);
    network.deliver_messages();
    let our_ci_0 = expect_event!(event_rx_0,
                                 CrustEvent::ConnectionInfoPrepared::<PublicId>(cir) => {
        assert_eq!(cir.result_token, PREPARE_CI_TOKEN);
        unwrap!(cir.result)
    });

    service_1.prepare_connection_info(PREPARE_CI_TOKEN);
    network.deliver_messages();
    let our_ci_1 = expect_event!(event_rx_1,
                                 CrustEvent::ConnectionInfoPrepared::<PublicId>(cir) => {
        assert_eq!(cir.result_token, PREPARE_CI_TOKEN);
        unwrap!(cir.result)
    });

    let their_ci_0 = our_ci_0.to_pub_connection_info();
    let their_ci_1 = our_ci_1.to_pub_connection_info();

    unwrap!(service_0.connect(our_ci_0, their_ci_1));
    unwrap!(service_1.connect(our_ci_1, their_ci_0));
    network.deliver_messages();

    let id_1 = expect_event!(event_rx_0, CrustEvent::ConnectSuccess::<PublicId>(id) => id);
    let id_0 = expect_event!(event_rx_1, CrustEvent::ConnectSuccess::<PublicId>(id) => id);

    // send data from 0 to 1
    let data_sent = vec![0, 1, 255, 254, 222, 1];
    unwrap!(service_0.send(&id_1, data_sent.clone(), 0));
    network.deliver_messages();

    // 1 should rx data
    let (data_recvd, pub_id) = expect_event!(event_rx_1,
                      CrustEvent::NewMessage::<PublicId>(their_id, _, msg) => (msg, their_id));

    assert_eq!(data_recvd, data_sent);
    assert_eq!(pub_id, id_0);

    // send data from 1 to 0
    let data_sent = vec![10, 11, 155, 214, 202];
    unwrap!(service_1.send(&id_0, data_sent.clone(), 0));
    network.deliver_messages();

    // 0 should rx data
    let (data_recvd, pub_id) = expect_event!(event_rx_0,
                      CrustEvent::NewMessage::<PublicId>(their_id, _, msg) => (msg, their_id));

    assert_eq!(data_recvd, data_sent);
    assert_eq!(pub_id, id_1);
}

#[test]
fn unidirectional_rendezvous_connect() {
    const PREPARE_CI_TOKEN: u32 = 1;

    let min_section_size = 8;
    let network = Network::new(min_section_size, None);
    let handle0 = network.new_service_handle(None, None);
    let handle1 = network.new_service_handle(None, None);

    let (event_tx_0, _category_rx_0, event_rx_0) = get_event_sender();
    let (event_tx_1, _category_rx_1, event_rx_1) = get_event_sender();

    let service_0 = unwrap!(Service::with_handle(
        &handle0,
        event_tx_0,
        *FullId::new().public_id()
    ));
    let service_1 = unwrap!(Service::with_handle(
        &handle1,
        event_tx_1,
        *FullId::new().public_id()
    ));

    service_0.prepare_connection_info(PREPARE_CI_TOKEN);
    network.deliver_messages();
    let our_ci_0 = expect_event!(event_rx_0,
                                 CrustEvent::ConnectionInfoPrepared::<PublicId>(cir) => {
        unwrap!(cir.result)
    });

    service_1.prepare_connection_info(PREPARE_CI_TOKEN);
    network.deliver_messages();
    let our_ci_1 = expect_event!(event_rx_1,
                                 CrustEvent::ConnectionInfoPrepared::<PublicId>(cir) => {
        unwrap!(cir.result)
    });

    let their_ci_1 = our_ci_1.to_pub_connection_info();

    unwrap!(service_0.connect(our_ci_0, their_ci_1));
    network.deliver_messages();

    expect_event!(event_rx_0, CrustEvent::ConnectSuccess::<PublicId>(_));
    expect_event!(event_rx_1, CrustEvent::ConnectSuccess::<PublicId>(_));
}

#[test]
fn drop() {
    use std::mem;

    let min_section_size = 8;
    let network = Network::new(min_section_size, None);
    let handle0 = network.new_service_handle(None, None);

    let config = Config::with_contacts(&[handle0.endpoint()]);
    let handle1 = network.new_service_handle(Some(config), None);

    let (event_sender_0, _category_rx_0, event_rx_0) = get_event_sender();
    let (event_sender_1, _category_rx_1, event_rx_1) = get_event_sender();

    let mut service_0 = unwrap!(Service::with_handle(
        &handle0,
        event_sender_0,
        *FullId::new().public_id()
    ));

    unwrap!(service_0.start_listening_tcp());
    expect_event!(event_rx_0, CrustEvent::ListenerStarted::<PublicId>(_));
    let _ = service_0.set_accept_bootstrap(true);

    let mut service_1 = unwrap!(Service::with_handle(
        &handle1,
        event_sender_1,
        *FullId::new().public_id()
    ));
    unwrap!(service_1.start_bootstrap(HashSet::new(), CrustUser::Node));

    network.deliver_messages();

    let id_0 = expect_event!(event_rx_1, CrustEvent::BootstrapConnect::<PublicId>(id, _) => id);
    expect_event!(event_rx_0, CrustEvent::BootstrapAccept::<PublicId>(..));

    // Dropping service_0 should make service_1 receive a LostPeer event.
    mem::drop(service_0);
    network.deliver_messages();
    expect_event!(event_rx_1, CrustEvent::LostPeer::<PublicId>(id) => assert_eq!(id, id_0));
}

#[test]
fn gen_endpoint_with_ip() {
    let min_section_size = 8;
    let network = Network::<PublicId>::new(min_section_size, None);
    for _ in 0..258 {
        let handle0 = network.new_service_handle(None, None);
        let endpoint0 = handle0.endpoint();
        let ip0 = to_socket_addr(endpoint0).ip();
        for _ in 0..10 {
            let endpoint1 = network.gen_endpoint_with_ip(&ip0);
            let handle1 = network.new_service_handle(None, Some(endpoint1));
            assert_eq!(to_socket_addr(handle1.endpoint()).ip(), ip0);
        }
    }
}