http/exception: add formatter for httpd::base_exception

to ease the debugging of http related failures. Signed-off-by: Kefu Chai <[email protected]> Closes scylladb#1843
rishvin · Sep 25, 2023 · f2f3234 · f2f3234
1 parent ae94791
commit f2f3234
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/include/seastar/http/exception.hh b/include/seastar/http/exception.hh
@@ -163,3 +163,12 @@ SEASTAR_MODULE_EXPORT_END
 }
 
 }
+
+SEASTAR_MODULE_EXPORT
+template <>
+struct fmt::formatter<seastar::httpd::base_exception> {
+    constexpr auto parse(format_parse_context& ctx) { return ctx.begin(); }
+    auto format(const seastar::httpd::base_exception& e, fmt::format_context& ctx) const {
+        return fmt::format_to(ctx.out(), "{} ({})", e.what(), e.status());
+    }
+};