Read (but for now ignore) DPs in the dpnode

dpnode.cc

@@ -39,6 +39,17 @@ static void dpnode_event_cb(struct bufferevent *bev, short events,
 
 static void dpnode_reader(struct bufferevent *bev, void *ctx)
 {
+    struct evbuffer *input = bufferevent_get_input(bev);
+    unsigned int dp[WORDS+6];
+    int num_read = 0;
+
+    while(1) {
+	size_t len = evbuffer_get_length(input);
+	if (len < ((WORDS+6)*sizeof(unsigned int))) break;
+	bufferevent_read(bev, dp, (WORDS+6)*sizeof(unsigned int));
+	++num_read;
+    }
+    // cerr << num_read << " DPs read\n";
 }
 
 static void dpnode_accept_cb(struct evconnlistener *listener,