diff --git a/ncsid/src/net_sockio.h b/ncsid/src/net_sockio.h
new file mode 100644
index 0000000..9ed1abb
--- /dev/null
+++ b/ncsid/src/net_sockio.h
@@ -0,0 +1,31 @@
+#pragma once
+
+#include <sys/types.h>
+
+namespace net
+{
+
+class SockIO
+{
+  public:
+    SockIO() = default;
+    explicit SockIO(int sockfd) : sockfd_{sockfd}
+    {}
+    virtual ~SockIO();
+
+    int get_sockfd() const
+    {
+        return sockfd_;
+    }
+
+    virtual int write(const void* buf, size_t len);
+
+    virtual int close();
+
+    virtual int recv(void* buf, size_t maxlen);
+
+  protected:
+    int sockfd_ = -1;
+};
+
+} // namespace net