// 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 . use std::str::FromStr; use std::sync::Arc; use std::net::SocketAddr; use util::panics::PanicHandler; use die::*; use jsonipc; use rpc_apis; use std::fmt; #[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, } pub struct IpcConfiguration { pub enabled: bool, pub socket_addr: String, pub apis: String, } impl fmt::Display for IpcConfiguration { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { if self.enabled { write!(f, "endpoint address [{}], api list [{}]", self.socket_addr, self.apis) } else { write!(f, "disabled") } } } pub struct Dependencies { pub panic_handler: Arc, pub apis: Arc, } pub fn new_http(conf: HttpConfiguration, deps: &Dependencies) -> Option { 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)) } fn setup_rpc_server(apis: Vec<&str>, deps: &Dependencies) -> Server { let apis = rpc_apis::from_str(apis); let server = Server::new(); 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, _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, 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(); 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 || { ph.notify_all("Panic in RPC thread.".to_owned()); }); server }, } } #[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.") } pub fn new_ipc(conf: IpcConfiguration, deps: &Dependencies) -> Option { if !conf.enabled { return None; } let apis = conf.apis.split(',').collect(); Some(setup_ipc_rpc_server(deps, &conf.socket_addr, apis)) } #[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 } }