LDPRELOAD: Add TCP_KEEPIDLE, TCP_KEEPINTVL, and SO_KEEPALIVE

Implement the subject setsockopt by passing them to VCL

Change-Id: Ida5136cb3a51d2bf30080e8c4af4239681ed2184
Signed-off-by: Steven <sluong@cisco.com>

diff --git a/extras/vcl-ldpreload/src/libvcl-ldpreload/vcom_socket.c b/extras/vcl-ldpreload/src/libvcl-ldpreload/vcom_socket.c
index 5378548..1686c4f 100644 (file)
--- a/extras/vcl-ldpreload/src/libvcl-ldpreload/vcom_socket.c
+++ b/extras/vcl-ldpreload/src/libvcl-ldpreload/vcom_socket.c
@@ -1913,31 +1913,49 @@ vppcom_session_setsockopt (int __sid, int __level, int __optname,
 
   switch (__level)
     {
+    case SOL_TCP:
+      switch (__optname)
+       {
+       case TCP_KEEPIDLE:
+         rv =
+           vppcom_session_attr (__sid, VPPCOM_ATTR_SET_TCP_KEEPIDLE, 0, 0);
+         break;
+       case TCP_KEEPINTVL:
+         rv =
+           vppcom_session_attr (__sid, VPPCOM_ATTR_SET_TCP_KEEPINTVL, 0, 0);
+         break;
+       default:
+         break;
+       }
+      break;
     case SOL_IPV6:
       switch (__optname)
        {
        case IPV6_V6ONLY:
          rv = vppcom_session_attr (__sid, VPPCOM_ATTR_SET_V6ONLY, 0, 0);
-         return rv;
+         break;
        default:
-         return rv;
+         break;
        }
       break;
     case SOL_SOCKET:
       switch (__optname)
        {
+       case SO_KEEPALIVE:
+         rv = vppcom_session_attr (__sid, VPPCOM_ATTR_SET_KEEPALIVE, 0, 0);
+         break;
        case SO_REUSEADDR:
          rv = vppcom_session_attr (__sid, VPPCOM_ATTR_SET_REUSEADDR, 0, 0);
-         return rv;
+         break;
        case SO_BROADCAST:
          rv = vppcom_session_attr (__sid, VPPCOM_ATTR_SET_BROADCAST, 0, 0);
-         return rv;
+         break;
        default:
-         return rv;
+         break;
        }
       break;
     default:
-      return rv;
+      break;
     }
 
   return rv;
@@ -1991,7 +2009,7 @@ vcom_socket_setsockopt (int __fd, int __level, int __optname,
        case IPV6_V6ONLY:
          rv = vppcom_session_setsockopt (vsock->sid, __level, __optname,
                                          __optval, __optlen);
-         return rv;
+         break;
        default:
          return -EOPNOTSUPP;
        }
@@ -2001,6 +2019,11 @@ vcom_socket_setsockopt (int __fd, int __level, int __optname,
        {
        case TCP_NODELAY:
          return 0;
+       case TCP_KEEPIDLE:
+       case TCP_KEEPINTVL:
+         rv = vppcom_session_setsockopt (vsock->sid, __level, __optname,
+                                         __optval, __optlen);
+         break;
        default:
          return -EOPNOTSUPP;
        }
@@ -2011,9 +2034,10 @@ vcom_socket_setsockopt (int __fd, int __level, int __optname,
        {
        case SO_REUSEADDR:
        case SO_BROADCAST:
+       case SO_KEEPALIVE:
          rv = vppcom_session_setsockopt (vsock->sid, __level, __optname,
                                          __optval, __optlen);
-         return rv;
+         break;
 
          /*
           * 1. for socket level options that are socket attributes,
@@ -2028,7 +2052,6 @@ vcom_socket_setsockopt (int __fd, int __level, int __optname,
        case SO_SNDBUF:
        case SO_RCVBUF:
        case SO_REUSEPORT:
-       case SO_KEEPALIVE:
        case SO_TYPE:
        case SO_PROTOCOL:
        case SO_DOMAIN: