First commit

1 files changed, 57 insertions, 0 deletions

diff --git a/src/error.rs b/src/error.rs
new file mode 100644
index 0000000..b54423a
--- /dev/null
+++ b/src/error.rs
@@ -0,0 +1,57 @@
+use err_derive::Error;
+use std::io;
+
+use log::error;
+
+#[derive(Debug, Error)]
+pub enum Error {
+	#[error(display = "IO error: {}", _0)]
+	Io(#[error(source)] io::Error),
+
+	#[error(display = "Messagepack encode error: {}", _0)]
+	RMPEncode(#[error(source)] rmp_serde::encode::Error),
+	#[error(display = "Messagepack decode error: {}", _0)]
+	RMPDecode(#[error(source)] rmp_serde::decode::Error),
+
+	#[error(display = "Tokio join error: {}", _0)]
+	TokioJoin(#[error(source)] tokio::task::JoinError),
+
+	#[error(display = "oneshot receive error: {}", _0)]
+	OneshotRecv(#[error(source)] tokio::sync::oneshot::error::RecvError),
+
+	#[error(display = "Handshake error: {}", _0)]
+	Handshake(#[error(source)] kuska_handshake::async_std::Error),
+
+	#[error(display = "{}", _0)]
+	Message(String),
+
+	#[error(display = "Remote error: {}", _0)]
+	Remote(String),
+}
+
+impl<T> From<tokio::sync::watch::error::SendError<T>> for Error {
+	fn from(_e: tokio::sync::watch::error::SendError<T>) -> Error {
+		Error::Message(format!("Watch send error"))
+	}
+}
+
+impl<T> From<tokio::sync::mpsc::error::SendError<T>> for Error {
+	fn from(_e: tokio::sync::mpsc::error::SendError<T>) -> Error {
+		Error::Message(format!("MPSC send error"))
+	}
+}
+
+pub trait LogError {
+	fn log_err(self, msg: &'static str);
+}
+
+impl<E> LogError for Result<(), E>
+where
+	E: Into<Error>,
+{
+	fn log_err(self, msg: &'static str) {
+		if let Err(e) = self {
+			error!("Error: {}: {}", msg, Into::<Error>::into(e));
+		};
+	}
+}