Fix the HTTP client for getting price.

This commit is contained in:
Gav Wood 2016-07-08 20:01:20 +02:00
parent ef0a41c7b3
commit c648171f91
2 changed files with 38 additions and 6 deletions

View File

@ -15,12 +15,14 @@
// along with Parity. If not, see <http://www.gnu.org/licenses/>. // along with Parity. If not, see <http://www.gnu.org/licenses/>.
use rustc_serialize::json::Json; use rustc_serialize::json::Json;
use std::thread;
use std::io::Read; use std::io::Read;
use std::time::Duration; use std::time::Duration;
use std::str::FromStr;
use std::sync::mpsc;
use hyper::client::{Handler, Request, Response, Client}; use hyper::client::{Handler, Request, Response, Client};
use hyper::{Next, Encoder, Decoder}; use hyper::{Next, Encoder, Decoder};
use hyper::net::HttpStream; use hyper::net::HttpStream;
use std::str::FromStr;
#[derive(Debug)] #[derive(Debug)]
pub struct PriceInfo { pub struct PriceInfo {
@ -29,6 +31,13 @@ pub struct PriceInfo {
pub struct SetPriceHandler<F: Fn(PriceInfo) + Sync + Send + 'static> { pub struct SetPriceHandler<F: Fn(PriceInfo) + Sync + Send + 'static> {
set_price: F, set_price: F,
channel: mpsc::Sender<()>,
}
impl<F: Fn(PriceInfo) + Sync + Send + 'static> Drop for SetPriceHandler<F> {
fn drop(&mut self) {
let _ = self.channel.send(());
}
} }
impl<F: Fn(PriceInfo) + Sync + Send + 'static> Handler<HttpStream> for SetPriceHandler<F> { impl<F: Fn(PriceInfo) + Sync + Send + 'static> Handler<HttpStream> for SetPriceHandler<F> {
@ -55,9 +64,33 @@ impl<F: Fn(PriceInfo) + Sync + Send + 'static> Handler<HttpStream> for SetPriceH
impl PriceInfo { impl PriceInfo {
pub fn get<F: Fn(PriceInfo) + Sync + Send + 'static>(set_price: F) -> Result<(), ()> { pub fn get<F: Fn(PriceInfo) + Sync + Send + 'static>(set_price: F) -> Result<(), ()> {
// TODO: Handle each error type properly // TODO: Handle each error type properly
let client = try!(Client::new().map_err(|_| ()));
trace!(target: "miner", "Starting price info request..."); trace!(target: "miner", "Starting price info request...");
Client::new().map_err(|_| ()).and_then(|client| { thread::spawn(move || {
client.request(FromStr::from_str("http://api.etherscan.io/api?module=stats&action=ethprice").unwrap(), SetPriceHandler { set_price: set_price }).map_err(|_| ()) trace!(target: "miner", "Inside thread...");
}) let (tx, rx) = mpsc::channel();
let _ = client.request(FromStr::from_str("http://api.etherscan.io/api?module=stats&action=ethprice").unwrap(), SetPriceHandler {
set_price: set_price,
channel: tx,
}).ok().and_then(|_| rx.recv().ok());
client.close();
});
Ok(())
} }
} }
//#[ignore]
#[test]
fn should_get_price_info() {
use std::sync::{Condvar, Mutex, Arc};
use std::time::Duration;
use util::log::init_log;
init_log();
let done = Arc::new((Mutex::new(PriceInfo { ethusd: 0f32 }), Condvar::new()));
let rdone = done.clone();
trace!(target: "miner", "price_info: getting price_info");
PriceInfo::get(move |price| { let mut p = rdone.0.lock().unwrap(); *p = price; rdone.1.notify_one(); }).unwrap();
let p = done.1.wait_timeout(done.0.lock().unwrap(), Duration::from_millis(10000)).unwrap();
assert!(!p.1.timed_out());
assert!(p.0.ethusd != 0f32);
}

View File

@ -60,8 +60,7 @@ lazy_static! {
builder.parse(&log); builder.parse(&log);
} }
println!("HERE!"); // builder.format(markup);
builder.format(markup);
if builder.init().is_ok() { if builder.init().is_ok() {
println!("logger initialized"); println!("logger initialized");