132 lines
4.0 KiB
Rust
132 lines
4.0 KiB
Rust
// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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use std::fmt;
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use std::sync::Arc;
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use std::net::SocketAddr;
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use std::io;
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use io::PanicHandler;
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use ethcore_rpc::{RpcServerError, RpcServer as Server, IpcServerError};
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use rpc_apis;
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use rpc_apis::ApiSet;
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use helpers::parity_ipc_path;
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pub use ethcore_rpc::{IpcServer, Server as HttpServer};
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#[derive(Debug, PartialEq)]
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pub struct HttpConfiguration {
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pub enabled: bool,
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pub interface: String,
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pub port: u16,
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pub apis: ApiSet,
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pub cors: Option<Vec<String>>,
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pub hosts: Option<Vec<String>>,
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}
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impl Default for HttpConfiguration {
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fn default() -> Self {
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HttpConfiguration {
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enabled: true,
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interface: "127.0.0.1".into(),
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port: 8545,
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apis: ApiSet::UnsafeContext,
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cors: None,
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hosts: Some(Vec::new()),
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}
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}
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}
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#[derive(Debug, PartialEq)]
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pub struct IpcConfiguration {
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pub enabled: bool,
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pub socket_addr: String,
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pub apis: ApiSet,
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}
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impl Default for IpcConfiguration {
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fn default() -> Self {
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IpcConfiguration {
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enabled: true,
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socket_addr: parity_ipc_path("$HOME/.parity/jsonrpc.ipc"),
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apis: ApiSet::IpcContext,
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}
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}
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}
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impl fmt::Display for IpcConfiguration {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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if self.enabled {
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write!(f, "endpoint address [{}], api list [{:?}]", self.socket_addr, self.apis)
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} else {
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write!(f, "disabled")
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}
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}
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}
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pub struct Dependencies {
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pub panic_handler: Arc<PanicHandler>,
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pub apis: Arc<rpc_apis::Dependencies>,
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}
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pub fn new_http(conf: HttpConfiguration, deps: &Dependencies) -> Result<Option<HttpServer>, String> {
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if !conf.enabled {
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return Ok(None);
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}
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let url = format!("{}:{}", conf.interface, conf.port);
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let addr = try!(url.parse().map_err(|_| format!("Invalid JSONRPC listen host/port given: {}", url)));
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Ok(Some(try!(setup_http_rpc_server(deps, &addr, conf.cors, conf.hosts, conf.apis))))
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}
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fn setup_rpc_server(apis: ApiSet, deps: &Dependencies) -> Result<Server, String> {
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let server = Server::new();
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Ok(rpc_apis::setup_rpc(server, deps.apis.clone(), apis))
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}
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pub fn setup_http_rpc_server(
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dependencies: &Dependencies,
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url: &SocketAddr,
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cors_domains: Option<Vec<String>>,
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allowed_hosts: Option<Vec<String>>,
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apis: ApiSet
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) -> Result<HttpServer, String> {
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let server = try!(setup_rpc_server(apis, dependencies));
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let ph = dependencies.panic_handler.clone();
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let start_result = server.start_http(url, cors_domains, allowed_hosts, ph);
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match start_result {
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Err(RpcServerError::IoError(err)) => match err.kind() {
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io::ErrorKind::AddrInUse => Err(format!("RPC address {} is already in use, make sure that another instance of an Ethereum client is not running or change the address using the --jsonrpc-port and --jsonrpc-interface options.", url)),
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_ => Err(format!("RPC io error: {}", err)),
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},
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Err(e) => Err(format!("RPC error: {:?}", e)),
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Ok(server) => Ok(server),
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}
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}
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pub fn new_ipc(conf: IpcConfiguration, deps: &Dependencies) -> Result<Option<IpcServer>, String> {
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if !conf.enabled { return Ok(None); }
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Ok(Some(try!(setup_ipc_rpc_server(deps, &conf.socket_addr, conf.apis))))
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}
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pub fn setup_ipc_rpc_server(dependencies: &Dependencies, addr: &str, apis: ApiSet) -> Result<IpcServer, String> {
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let server = try!(setup_rpc_server(apis, dependencies));
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match server.start_ipc(addr) {
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Err(IpcServerError::Io(io_error)) => Err(format!("RPC io error: {}", io_error)),
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Err(any_error) => Err(format!("Rpc error: {:?}", any_error)),
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Ok(server) => Ok(server)
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}
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}
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