From 460e585d37fb895a9e6585dab37e683b696565f3 Mon Sep 17 00:00:00 2001
From: Claudius Holeksa <mail@keldu.de>
Date: Tue, 9 May 2023 09:11:49 +0200
Subject: c++: Adding io_codec code

---
 src/io_codec/io_peer.h | 104 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 src/io_codec/io_peer.h

(limited to 'src/io_codec/io_peer.h')

diff --git a/src/io_codec/io_peer.h b/src/io_codec/io_peer.h
new file mode 100644
index 0000000..b9a4b34
--- /dev/null
+++ b/src/io_codec/io_peer.h
@@ -0,0 +1,104 @@
+#pragma once
+
+#include <forstio/async/async.h>
+#include <forstio/buffer.h>
+#include <forsto/io/io.h>
+#include <forstio/schema/message.h>
+
+namespace saw {
+
+template <typename Codec, typename Incoming, typename Outgoing,
+		  typename InContainer = message_container<Incoming>,
+		  typename OutContainer = message_container<Outgoing>,
+		  typename BufferT = ring_buffer>
+class streaming_io_peer {
+public:
+	/**
+	 *
+	 */
+	streaming_io_peer(
+		own<conveyor_feeder<heap_message_root<Incoming, InContainer>>> feed,
+		own<async_io_stream> stream, Codec codec, BufferT in, BufferT out);
+	/**
+	 *
+	 */
+	streaming_io_peer(
+		own<conveyor_feeder<heap_message_root<Incoming, InContainer>>> feed,
+		own<async_io_stream> stream);
+
+	/**
+	 * Deleted copy and move constructors
+	 */
+	SAW_FORBID_COPY(streaming_io_peer);
+	SAW_FORBID_MOVE(streaming_io_peer);
+
+	/**
+	 * Send a message to the remote peer
+	 */
+	error send(heap_message_root<Outgoing, OutContainer> builder);
+
+	/**
+	 * A phantom conveyor feeder. Meant for interfacing with other components
+	 */
+	conveyor_feeder<heap_message_root<Outgoing, OutContainer>> &feeder();
+
+	conveyor<void> on_read_disconnected();
+
+private:
+	/// @unimplemented
+	class peer_conveyor_feeder final
+		: public conveyor_feeder<heap_message_root<Outgoing, OutContainer>> {
+	public:
+		peer_conveyor_feeder(
+			streaming_io_peer<Codec, Incoming, Outgoing, InContainer,
+							  OutContainer, BufferT> &peer_)
+			: peer_{peer_} {}
+
+		void feed(heap_message_root<Outgoing, OutContainer> &&data) override {
+			(void)data;
+		}
+
+		void fail(error &&error) override { (void)error; }
+
+		size_t space() const override { return 0; }
+
+		size_t queued() const override { return 0; }
+
+	private:
+		streaming_io_peer<Codec, Incoming, Outgoing, InContainer, OutContainer,
+						  BufferT> &peer_;
+	};
+
+private:
+	own<conveyor_feeder<heap_message_root<Incoming, InContainer>>>
+		incoming_feeder_ = nullptr;
+
+	own<async_io_stream> io_stream_;
+
+	Codec codec_;
+
+	BufferT in_buffer_;
+	BufferT out_buffer_;
+
+	conveyor_sink sink_read_;
+	conveyor_sink sink_write_;
+
+	peer_conveyor_feeder conveyor_feeder_;
+};
+
+/**
+ * Setup new streaming io peer with the provided network protocols.
+ * This is a convenience wrapper intended for a faster setup of this class
+ */
+template <typename Codec, typename Incoming, typename Outgoing,
+		  typename InContainer = message_container<Incoming>,
+		  typename OutContainer = message_container<Outgoing>,
+		  typename BufferT = ring_buffer>
+std::pair<own<streaming_io_peer<Codec, Incoming, Outgoing, InContainer,
+								OutContainer, BufferT>>,
+		  conveyor<heap_message_root<Incoming, InContainer>>>
+new_streaming_io_peer(own<async_io_stream> stream);
+
+} // namespace saw
+
+#include "io_peer.tmpl.h"
-- 
cgit v1.2.3