X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fdo.cc;h=ed66028c3eb2b5458e60adce77ef69630a918e6b;hb=65261a94e8042435d40aabfd513cd52d2df20e5d;hp=d289c479fa71b41cb7129d920c7fd77081575cac;hpb=97574c49666f4da4357c9e32f3130f27d6d45e21;p=awesomized%2Flibmemcached

diff --git a/libmemcached/do.cc b/libmemcached/do.cc
index d289c479..ed66028c 100644
--- a/libmemcached/do.cc
+++ b/libmemcached/do.cc
@@ -40,7 +40,37 @@ memcached_return_t memcached_vdo(memcached_server_write_instance_st instance,
                                  memcached_literal_param("UDP messages was attempted, but vector was not setup for it"));
     }
 
-    return MEMCACHED_NOT_SUPPORTED;
+    struct msghdr msg;
+    memset(&msg, 0, sizeof(msg));
+
+    increment_udp_message_id(instance);
+    vector[0].buffer= instance->write_buffer;
+    vector[0].length= UDP_DATAGRAM_HEADER_LENGTH;
+
+    msg.msg_iov= (struct iovec*)vector;
+    msg.msg_iovlen= count;
+
+    uint32_t retry= 5;
+    while (--retry)
+    {
+      ssize_t sendmsg_length= ::sendmsg(instance->fd, &msg, 0);
+      if (sendmsg_length > 0)
+      {
+        break;
+      }
+      else if (sendmsg_length < 0)
+      {
+        if (errno == EMSGSIZE)
+        {
+          return memcached_set_error(*instance, MEMCACHED_WRITE_FAILURE, MEMCACHED_AT);
+        }
+
+        perror(__func__);
+        return memcached_set_errno(*instance, errno, MEMCACHED_AT);
+      }
+    }
+
+    return MEMCACHED_SUCCESS;
   }
 
   ssize_t sent_length= memcached_io_writev(instance, vector, count, with_flush);