ipcconfig trait

ipc/rpc/Cargo.toml

@@ -8,3 +8,4 @@ license = "GPL-3.0"
 
 [dependencies]
 ethcore-devtools = { path = "../../devtools" }
+semver = "0.2.0"

ipc/rpc/src/interface.rs

@@ -19,8 +19,24 @@
 use std::io::{Read, Write};
 use std::marker::Sync;
 use std::sync::atomic::*;
+use semver::Version;
 
-pub trait IpcInterface<T> {
+pub struct Handshake {
+	protocol_version: Version,
+	api_version: Version,
+	reserved: [u8; 64],
+}
+
+pub trait IpcConfig {
+	fn api_version() -> Version {
+		Version::parse("1.0.0").unwrap()
+	}
+	fn protocol_version() -> Version {
+		Version::parse("1.0.0").unwrap()
+	}
+}
+
+pub trait IpcInterface<T> where 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;
 

ipc/rpc/src/lib.rs

@@ -17,6 +17,7 @@
 //! IPC RPC interface
 
 extern crate ethcore_devtools as devtools;
+extern crate semver;
 
 pub mod interface;
-pub use interface::{IpcInterface, IpcSocket, invoke};
+pub use interface::{IpcInterface, IpcSocket, invoke, IpcConfig};