1 files changed, 66 insertions, 0 deletions
diff --git a/blocks/src/lib/snapshot_du_handler.cc b/blocks/src/lib/snapshot_du_handler.cc
new file mode 100644
index 0000000..222f5ed
--- /dev/null
+++ b/blocks/src/lib/snapshot_du_handler.cc
@@ -0,0 +1,66 @@
+/* -*- C++ -*- */
+
+/*
+ * Copyright 2008 Steve Glass
+ * 
+ * This file is part of OP25.
+ * 
+ * OP25 is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ * 
+ * OP25 is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+ * License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with OP25; see the file COPYING. If not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <cstring>
+#include <snapshot_du_handler.h>
+#include <string>
+
+using std::string;
+
+snapshot_du_handler::snapshot_du_handler(data_unit_handler_sptr next) :
+   data_unit_handler(next),
+   d_data_units(0)
+{
+}
+
+snapshot_du_handler::~snapshot_du_handler()
+{
+}
+
+void
+snapshot_du_handler::handle(data_unit_sptr du)
+{
+   if(d_msgq) {
+      string snapshot(du->snapshot());
+      if(snapshot.size() > 0) {
+         const size_t snapshot_sz = snapshot.size() + 1;
+         gr_message_sptr msg = gr_make_message(/*type*/0, /*arg1*/++d_data_units, /*arg2*/0, snapshot_sz);
+         char *snapshot_data = reinterpret_cast<char*>(msg->msg());
+         memcpy(snapshot_data, snapshot.c_str(), snapshot_sz);
+         d_msgq->handle(msg);
+      }
+   }
+   data_unit_handler::handle(du);
+}
+
+gr_msg_queue_sptr
+snapshot_du_handler::get_msgq() const
+{
+   return d_msgq;
+}
+
+void
+snapshot_du_handler::set_msgq(gr_msg_queue_sptr msgq)
+{
+   d_msgq = msgq;
+}