net: add new method Sock::SetSockOpt() that wraps setsockopt()

This will help to increase `Sock` usage and make more code mockable.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/util/sock.h b/src/util/sock.h
index 7510482857..dd2913a66c 100644
--- a/src/util/sock.h
+++ b/src/util/sock.h
@@ -115,6 +115,16 @@ public:
                                          void* opt_val,
                                          socklen_t* opt_len) const;
 
+    /**
+     * setsockopt(2) wrapper. Equivalent to
+     * `setsockopt(this->Get(), level, opt_name, opt_val, opt_len)`. Code that uses this
+     * wrapper can be unit tested if this method is overridden by a mock Sock implementation.
+     */
+    [[nodiscard]] virtual int SetSockOpt(int level,
+                                         int opt_name,
+                                         const void* opt_val,
+                                         socklen_t opt_len) const;
+
     using Event = uint8_t;
 
     /**