Add a configuration option for TCP keepalives (SO_KEEPALIVE), default off.

[u/mdw/putty] / settings.c

diff --git a/settings.c b/settings.c
index 99ec7ee..a5f2e44 100644 (file)
--- a/settings.c
+++ b/settings.c
@@ -182,6 +182,7 @@ void save_open_settings(void *sesskey, int do_host, Config *cfg)
     write_setting_i(sesskey, "PingInterval", cfg->ping_interval / 60); /* minutes */
     write_setting_i(sesskey, "PingIntervalSecs", cfg->ping_interval % 60);     /* seconds */
     write_setting_i(sesskey, "TCPNoDelay", cfg->tcp_nodelay);
+    write_setting_i(sesskey, "TCPKeepalives", cfg->tcp_keepalives);
     write_setting_s(sesskey, "TerminalType", cfg->termtype);
     write_setting_s(sesskey, "TerminalSpeed", cfg->termspeed);
 
@@ -411,6 +412,7 @@ void load_open_settings(void *sesskey, int do_host, Config *cfg)
        cfg->ping_interval = pingmin * 60 + pingsec;
     }
     gppi(sesskey, "TCPNoDelay", 1, &cfg->tcp_nodelay);
+    gppi(sesskey, "TCPKeepalives", 0, &cfg->tcp_keepalives);
     gpps(sesskey, "TerminalType", "xterm", cfg->termtype,
         sizeof(cfg->termtype));
     gpps(sesskey, "TerminalSpeed", "38400,38400", cfg->termspeed,