grassrootseconomics/openethereum
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Cleanups.

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This commit is contained in:
Gav Wood 2016-12-04 11:56:12 -08:00
parent b8c492644b
commit 9d79cac36b
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GPG Key ID: C49C1ACA1CC9B252
1 changed files with 12 additions and 11 deletions
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23
ethcore/src/client/updater.rs
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@ -14,7 +14,7 @@
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use std::sync::{Weak, Arc};
use std::sync::{Weak};
use std::path::PathBuf;
use util::misc::{VersionInfo, ReleaseTrack, platform};
use util::{Address, H160, H256, FixedHash, Mutex};
@ -44,7 +44,7 @@ pub struct Updater {
fetch: Weak<HashFetch>,
operations: Operations,
update_policy: UpdatePolicy,
fetch_handler: Mutex<Option<()>>,
fetching: Mutex<bool>,
// These don't change
pub this: VersionInfo,
@ -56,10 +56,6 @@ pub struct Updater {
const CLIENT_ID: &'static str = "parity";
fn start_fetch(fetch: Arc<HashFetch>, hash: H256, on_done: Box<Fn(Result<PathBuf, fetch::Error>) + Send>) -> Result<(), fetch::Error> {
fetch.fetch(hash, on_done)
}
impl Updater {
pub fn new(client: Weak<Client>, fetch: Weak<fetch::Client>, operations: Address, update_policy: UpdatePolicy) -> Self {
let mut u = Updater {
@ -67,7 +63,7 @@ impl Updater {
fetch: fetch.clone(),
operations: Operations::new(operations, move |a, d| client.upgrade().ok_or("No client!".into()).and_then(|c| c.call_contract(a, d))),
update_policy: update_policy,
fetch_handler: Mutex::new(None),
fetching: Mutex::new(false),
this: VersionInfo::this(),
this_fork: None,
latest: None,
@ -152,7 +148,11 @@ impl Updater {
}
fn fetch_done(&self, _r: Result<PathBuf, fetch::Error>) {
*self.fetch_handler.lock() = None;
match _r {
Ok(b) => info!("Fetched latest version OK: {}", b.display()),
Err(e) => warn!("Unable to fetch latest version: {:?}", e),
}
*self.fetching.lock() = false;
}
pub fn tick(&mut self) {
@ -173,12 +173,13 @@ impl Updater {
}
);
if let Some(b) = latest.track.binary {
let mut fetch_handler = self.fetch_handler.lock();
if fetch_handler.is_none() {
let mut fetching = self.fetching.lock();
if !*fetching {
let c = self.client.clone();
let f = move |r: Result<PathBuf, fetch::Error>| if let Some(c) = c.upgrade() { c.updater().as_ref().expect("updater exists; updater only owned by client; qed").fetch_done(r); };
if let Some(fetch) = self.fetch.clone().upgrade() {
*fetch_handler = start_fetch(fetch, b, Box::new(f)).ok();
fetch.fetch(b, Box::new(f)).ok();
*fetching = true;
}
}
}