feat(transport): Add unix socket transport;

Author: Max Nikitenko

transport/unix.go

@@ -0,0 +1,52 @@
+//Package transport provides transports for rpc server
+//
+//Copyright (C) 2022 Max Nikitenko <[email protected]>
+//
+//This file is part of go.neonxp.dev/jsonrpc2 project.
+//
+//This program 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.
+//
+//This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+package transport
+
+import (
+	"context"
+	"net"
+)
+
+type UnixSocket struct {
+	Path     string
+	Parallel bool
+}
+
+func (t *UnixSocket) Run(ctx context.Context, resolver Resolver) error {
+	tcpAddr, err := net.ResolveUnixAddr("unix", t.Path)
+	if err != nil {
+		return err
+	}
+	ln, err := net.ListenUnix("unix", tcpAddr)
+	if err != nil {
+		return err
+	}
+
+	go func() {
+		<-ctx.Done()
+		_ = ln.Close()
+	}()
+	for {
+		conn, err := ln.Accept()
+		if err != nil {
+			return err
+		}
+		go resolver.Resolve(ctx, conn, conn, t.Parallel)
+	}
+}