diff options
| author | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-04-22 21:21:06 +0000 |
|---|---|---|
| committer | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-04-22 21:21:06 +0000 |
| commit | c4056a4a702cb2e73d882ffa0729b66797660a18 (patch) | |
| tree | a80ac02792cc059175857af23a456a1dbc4d8894 | |
| parent | 75e5a91e9224de4bebe7ed5e2e275f656cb4c662 (diff) | |
net/imap: set SO_KEEPALIVE on TCP sockets
Otherwise connections (commonly on IDLE, but it could be any
command) may never receive notifications of link errors.
[ruby-core:86628] [Feature #14703]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63243 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
| -rw-r--r-- | lib/net/imap.rb | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/net/imap.rb b/lib/net/imap.rb index 3d33b94fdd..b42186dce0 100644 --- a/lib/net/imap.rb +++ b/lib/net/imap.rb @@ -1129,7 +1129,9 @@ module Net end def tcp_socket(host, port) - Socket.tcp(host, port, :connect_timeout => @open_timeout) + s = Socket.tcp(host, port, :connect_timeout => @open_timeout) + s.setsockopt(:SOL_SOCKET, :SO_KEEPALIVE, true) + s rescue Errno::ETIMEDOUT raise Net::OpenTimeout, "Timeout to open TCP connection to " + "#{host}:#{port} (exceeds #{@open_timeout} seconds)" |