openethereum/devtools/src/http_client.rs

67 lines
1.8 KiB
Rust

// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// 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::time::Duration;
use std::io::{Read, Write};
use std::str::{self, Lines};
use std::net::{TcpStream, SocketAddr};
pub struct Response {
pub status: String,
pub headers: Vec<String>,
pub headers_raw: String,
pub body: String,
}
pub fn read_block(lines: &mut Lines, all: bool) -> String {
let mut block = String::new();
loop {
let line = lines.next();
match line {
None => break,
Some("") if !all => break,
Some(v) => {
block.push_str(v);
block.push_str("\n");
},
}
}
block
}
pub fn request(address: &SocketAddr, request: &str) -> Response {
let mut req = TcpStream::connect(address).unwrap();
req.set_read_timeout(Some(Duration::from_secs(1))).unwrap();
req.write_all(request.as_bytes()).unwrap();
let mut response = String::new();
let _ = req.read_to_string(&mut response);
let mut lines = response.lines();
let status = lines.next().unwrap().to_owned();
let headers_raw = read_block(&mut lines, false);
let headers = headers_raw.split('\n').map(|v| v.to_owned()).collect();
let body = read_block(&mut lines, true);
Response {
status: status,
headers: headers,
headers_raw: headers_raw,
body: body,
}
}