1 files changed, 75 insertions, 0 deletions
diff --git a/gr-network/lib/tcp_sink_impl.h b/gr-network/lib/tcp_sink_impl.h
new file mode 100644
index 0000000000..68e0861bb5
--- /dev/null
+++ b/gr-network/lib/tcp_sink_impl.h
@@ -0,0 +1,75 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2020 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#ifndef INCLUDED_NETWORK_TCP_SINK_IMPL_H
+#define INCLUDED_NETWORK_TCP_SINK_IMPL_H
+
+#include <gnuradio/network/tcp_sink.h>
+#include <boost/asio.hpp>
+#include <boost/asio/ip/tcp.hpp>
+#include <boost/thread/thread.hpp>
+
+namespace gr {
+namespace network {
+
+class NETWORK_API tcp_sink_impl : public tcp_sink
+{
+protected:
+    size_t d_itemsize;
+    size_t d_veclen;
+    std::string d_host;
+    int d_port;
+    int d_sinkmode;
+
+    bool d_thread_running;
+    bool d_stop_thread;
+    boost::thread* d_listener_thread;
+    bool d_start_new_listener;
+    bool d_initial_connection;
+
+    size_t d_block_size;
+    bool d_is_ipv6;
+
+    boost::system::error_code ec;
+
+    boost::asio::io_service d_io_service;
+    boost::asio::ip::tcp::endpoint d_endpoint;
+    boost::asio::ip::tcp::socket* d_tcpsocket = NULL;
+    boost::asio::ip::tcp::acceptor* d_acceptor = NULL;
+
+    bool d_connected;
+
+    virtual void check_for_disconnect();
+    virtual void connect(bool initial_connection);
+
+    virtual void run_listener();
+
+public:
+    tcp_sink_impl(size_t itemsize,
+                  size_t veclen,
+                  const std::string& host,
+                  int port,
+                  int sinkmode = TCPSINKMODE_CLIENT);
+    ~tcp_sink_impl();
+
+    virtual bool stop();
+
+    void accept_handler(boost::asio::ip::tcp::socket* new_connection,
+                        const boost::system::error_code& error);
+
+    int work(int noutput_items,
+             gr_vector_const_void_star& input_items,
+             gr_vector_void_star& output_items);
+};
+
+} // namespace network
+} // namespace gr
+
+#endif /* INCLUDED_NETWORK_TCP_SINK_IMPL_H */