Restructure API handlers, add JSON RPC simple HelloService right now.

pkg/server/rpc/methods.go

@@ -0,0 +1,38 @@
+/*
+ * Minimalist Object Storage, (C) 2015 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package rpc
+
+import "net/http"
+
+// HelloArgs - hello args
+type HelloArgs struct {
+	Who string
+}
+
+// HelloReply - hello reply
+type HelloReply struct {
+	Message string
+}
+
+// HelloService -
+type HelloService struct{}
+
+// Say -
+func (h *HelloService) Say(r *http.Request, args *HelloArgs, reply *HelloReply) error {
+	reply.Message = "Hello, " + args.Who + "!"
+	return nil
+}

pkg/server/rpc/server.go

@@ -0,0 +1,30 @@
+/*
+ * Minimalist Object Storage, (C) 2015 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package rpc
+
+import (
+	"github.com/gorilla/rpc/v2"
+	"github.com/gorilla/rpc/v2/json"
+)
+
+// HelloServiceHandler -
+func HelloServiceHandler() *rpc.Server {
+	s := rpc.NewServer()
+	s.RegisterCodec(json.NewCodec(), "application/json")
+	s.RegisterService(new(HelloService), "")
+	return s
+}