openethereum/parity/rpc.rs
2016-04-28 20:48:00 +01:00

121 lines
3.6 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::str::FromStr;
use std::sync::Arc;
use std::net::SocketAddr;
use ethcore::client::Client;
use ethsync::EthSync;
use ethminer::{Miner, ExternalMiner};
use util::RotatingLogger;
use util::panics::PanicHandler;
use util::keys::store::{AccountService};
use util::network_settings::NetworkSettings;
use die::*;
#[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 Configuration {
pub enabled: bool,
pub interface: String,
pub port: u16,
pub apis: String,
pub cors: Option<String>,
}
pub struct Dependencies {
pub panic_handler: Arc<PanicHandler>,
pub client: Arc<Client>,
pub sync: Arc<EthSync>,
pub secret_store: Arc<AccountService>,
pub miner: Arc<Miner>,
pub external_miner: Arc<ExternalMiner>,
pub logger: Arc<RotatingLogger>,
pub settings: Arc<NetworkSettings>,
}
pub fn new(conf: Configuration, 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_rpc_server(deps, &addr, conf.cors, apis))
}
#[cfg(not(feature = "rpc"))]
pub fn setup_rpc_server(
_deps: Dependencies,
_url: &SocketAddr,
_cors_domain: Option<String>,
_apis: Vec<&str>,
) -> ! {
die!("Your Parity version has been compiled without JSON-RPC support.")
}
#[cfg(feature = "rpc")]
pub fn setup_rpc_server(
deps: Dependencies,
url: &SocketAddr,
cors_domain: Option<String>,
apis: Vec<&str>,
) -> RpcServer {
use ethcore_rpc::v1::*;
let server = Server::new();
for api in apis.into_iter() {
match api {
"web3" => server.add_delegate(Web3Client::new().to_delegate()),
"net" => server.add_delegate(NetClient::new(&deps.sync).to_delegate()),
"eth" => {
server.add_delegate(EthClient::new(&deps.client, &deps.sync, &deps.secret_store, &deps.miner, &deps.external_miner).to_delegate());
server.add_delegate(EthFilterClient::new(&deps.client, &deps.miner).to_delegate());
},
"personal" => server.add_delegate(PersonalClient::new(&deps.secret_store).to_delegate()),
"ethcore" => server.add_delegate(EthcoreClient::new(&deps.miner, deps.logger.clone(), deps.settings.clone()).to_delegate()),
_ => {
die!("{}: Invalid API name to be enabled.", api);
},
}
}
let start_result = server.start_http(url, cors_domain);
match start_result {
Err(RpcServerError::IoError(err)) => die_with_io_error("RPC", err),
Err(e) => die!("RPC: {:?}", e),
Ok(server) => {
server.set_panic_handler(move || {
deps.panic_handler.notify_all("Panic in RPC thread.".to_owned());
});
server
},
}
}