Moved the packet handler state stuff into a separate header (so we dont pull in all the includes).

Use callback for getting buffers rather than zc interface pointer so its more modular.

1 files changed, 56 insertions, 0 deletions

diff --git a/host/lib/transport/vrt_packet_handler_state.hpp b/host/lib/transport/vrt_packet_handler_state.hpp
new file mode 100644
index 000000000..2320a3b8e
--- /dev/null
+++ b/host/lib/transport/vrt_packet_handler_state.hpp
@@ -0,0 +1,56 @@
+//
+// Copyright 2010 Ettus Research LLC
+//
+// This program 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 of the License, or
+// (at your option) any later version.
+//
+// This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+#ifndef INCLUDED_LIBUHD_TRANSPORT_VRT_PACKET_HANDLER_STATE_HPP
+#define INCLUDED_LIBUHD_TRANSPORT_VRT_PACKET_HANDLER_STATE_HPP
+
+#include <uhd/config.hpp>
+#include <uhd/transport/zero_copy.hpp>
+#include <boost/asio/buffer.hpp>
+
+namespace vrt_packet_handler{
+
+    struct recv_state{
+        //init the expected seq number
+        size_t next_packet_seq;
+
+        //state variables to handle fragments
+        uhd::transport::managed_recv_buffer::sptr managed_buff;
+        boost::asio::const_buffer copy_buff;
+        size_t fragment_offset_in_samps;
+
+        recv_state(void){
+            //first expected seq is zero
+            next_packet_seq = 0;
+
+            //initially empty copy buffer
+            copy_buff = boost::asio::buffer("", 0);
+        }
+    };
+
+    struct send_state{
+        //init the expected seq number
+        size_t next_packet_seq;
+
+        send_state(void){
+            next_packet_seq = 0;
+        }
+    };
+
+} //namespace vrt_packet_handler
+
+#endif /* INCLUDED_LIBUHD_TRANSPORT_VRT_PACKET_HANDLER_STATE_HPP */