test: windows: Add warnings for linger_timeout to be greater than 65536

fluent · Mar 6, 2020 · 73a2322 · 73a2322
1 parent 7d16531
commit 73a2322
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/fluent/plugin_helper/socket_option.rb b/lib/fluent/plugin_helper/socket_option.rb
@@ -58,6 +58,10 @@ def socket_option_set(sock, resolve_name: nil, nonblock: false, linger_timeout:
           # This unintented behavior causes "Errno::ECONNRESET: An existing connection was forcibly
           # closed by the remote host." on Windows.
           if linger_timeout.to_i > 0
+            if linger_timeout >= 2**16
+              log.warn "maximum linger_timeout is 65535(2^16 - 1). Set to 65535 forcibly."
+              linger_timeout = 2**16 - 1
+            end
             optval = [1, linger_timeout.to_i].pack(FORMAT_STRUCT_LINGER_WINDOWS)
             socket_option_set_one(sock, :SO_LINGER, optval)
           end