openethereum/parity/rpc.rs

125 lines
3.6 KiB
Rust
Raw Normal View History

2016-04-21 13:12:43 +02:00
// 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::str::FromStr;
2016-04-21 13:12:43 +02:00
use std::sync::Arc;
use std::net::SocketAddr;
2016-04-23 12:29:12 +02:00
use util::panics::PanicHandler;
2016-04-21 13:12:43 +02:00
use die::*;
use jsonipc;
use rpc_apis;
2016-04-21 13:12:43 +02:00
#[cfg(feature = "rpc")]
pub use ethcore_rpc::Server as RpcServer;
#[cfg(feature = "rpc")]
use ethcore_rpc::{RpcServerError, RpcServer as Server};
#[cfg(not(feature = "rpc"))]
pub struct RpcServer;
pub struct HttpConfiguration {
pub enabled: bool,
pub interface: String,
pub port: u16,
pub apis: String,
pub cors: Vec<String>,
}
pub struct IpcConfiguration {
pub enabled: bool,
pub socket_addr: String,
pub apis: String,
}
pub struct Dependencies {
2016-04-23 12:29:12 +02:00
pub panic_handler: Arc<PanicHandler>,
pub apis: Arc<rpc_apis::Dependencies>,
}
pub fn new_http(conf: HttpConfiguration, deps: &Dependencies) -> Option<RpcServer> {
if !conf.enabled {
return None;
}
let interface = match conf.interface.as_str() {
"all" => "0.0.0.0",
"local" => "127.0.0.1",
x => x,
};
let apis = conf.apis.split(',').collect();
let url = format!("{}:{}", interface, conf.port);
let addr = SocketAddr::from_str(&url).unwrap_or_else(|_| die!("{}: Invalid JSONRPC listen host/port given.", url));
Some(setup_http_rpc_server(deps, &addr, conf.cors, apis))
}
pub fn new_ipc(conf: IpcConfiguration, deps: &Dependencies) -> Option<jsonipc::Server> {
if !conf.enabled { return None; }
let apis = conf.apis.split(',').collect();
Some(setup_ipc_rpc_server(deps, &conf.socket_addr, apis))
2016-04-21 13:12:43 +02:00
}
fn setup_rpc_server(apis: Vec<&str>, deps: &Dependencies) -> Server {
let apis = rpc_apis::from_str(apis);
2016-04-21 13:12:43 +02:00
let server = Server::new();
2016-05-28 19:26:01 +02:00
rpc_apis::setup_rpc(server, deps.apis.clone(), rpc_apis::ApiSet::List(apis))
}
#[cfg(not(feature = "rpc"))]
pub fn setup_http_rpc_server(
_deps: &Dependencies,
_url: &SocketAddr,
_cors_domain: Vec<String>,
_apis: Vec<&str>,
) -> ! {
die!("Your Parity version has been compiled without JSON-RPC support.")
}
#[cfg(feature = "rpc")]
pub fn setup_http_rpc_server(
dependencies: &Dependencies,
url: &SocketAddr,
cors_domains: Vec<String>,
apis: Vec<&str>,
) -> RpcServer {
let server = setup_rpc_server(apis, dependencies);
let start_result = server.start_http(url, cors_domains);
let ph = dependencies.panic_handler.clone();
2016-04-21 13:12:43 +02:00
match start_result {
Err(RpcServerError::IoError(err)) => die_with_io_error("RPC", err),
Err(e) => die!("RPC: {:?}", e),
2016-04-23 12:29:12 +02:00
Ok(server) => {
server.set_panic_handler(move || {
ph.notify_all("Panic in RPC thread.".to_owned());
2016-04-23 12:29:12 +02:00
});
server
},
2016-04-21 13:12:43 +02:00
}
}
#[cfg(not(feature = "rpc"))]
pub fn setup_ipc_rpc_server(_dependencies: &Dependencies, _addr: &str, _apis: Vec<&str>) -> ! {
die!("Your Parity version has been compiled without JSON-RPC support.")
}
#[cfg(feature = "rpc")]
pub fn setup_ipc_rpc_server(dependencies: &Dependencies, addr: &str, apis: Vec<&str>) -> jsonipc::Server {
let server = setup_rpc_server(apis, dependencies);
match server.start_ipc(addr) {
Err(jsonipc::Error::Io(io_error)) => die_with_io_error("RPC", io_error),
Err(any_error) => die!("RPC: {:?}", any_error),
Ok(server) => server
}
}