Merge pull request #933 from ethcore/ipc-prs-client

IPC persistent client link

ipc/rpc/Cargo.toml

@@ -9,3 +9,4 @@ license = "GPL-3.0"
 [dependencies]
 ethcore-devtools = { path = "../../devtools" }
 semver = "0.2.0"
+nanomsg = "0.5.0"

ipc/rpc/src/interface.rs

@@ -18,7 +18,6 @@
 
 use std::io::{Read, Write};
 use std::marker::Sync;
-use std::sync::atomic::*;
 use semver::Version;
 
 pub struct Handshake {
@@ -49,7 +48,7 @@ pub enum Error {
 	HandshakeFailed,
 }
 
-pub trait IpcInterface<T> where T: IpcConfig {
+pub trait IpcInterface<T>: IpcConfig {
 	/// reads the message from io, dispatches the call and returns serialized result
 	fn dispatch<R>(&self, r: &mut R) -> Vec<u8> where R: Read;
 
@@ -72,6 +71,7 @@ pub fn invoke<W>(method_num: u16, params: &Option<Vec<u8>>, w: &mut W) where W:
 	if params.is_some() {
 		buf[2..buf_len].clone_from_slice(params.as_ref().unwrap());
 	}
+
 	if w.write(&buf).unwrap() != buf_len
 	{
 		// if write was inconsistent
@@ -83,5 +83,12 @@ pub fn invoke<W>(method_num: u16, params: &Option<Vec<u8>>, w: &mut W) where W:
 pub trait IpcSocket: Read + Write + Sync {
 }
 
-impl IpcSocket for ::devtools::TestSocket {
+
+pub trait WithSocket<S: IpcSocket> {
+	fn init(socket: S) -> Self;
 }
+
+
+impl IpcSocket for ::devtools::TestSocket {}
+
+impl IpcSocket for ::nanomsg::Socket {}

ipc/rpc/src/lib.rs

@@ -18,6 +18,7 @@
 
 extern crate ethcore_devtools as devtools;
 extern crate semver;
+extern crate nanomsg;
 
 pub mod interface;
-pub use interface::{IpcInterface, IpcSocket, invoke, IpcConfig, Handshake, Error};
+pub use interface::{IpcInterface, IpcSocket, invoke, IpcConfig, Handshake, Error, WithSocket};