1 files changed, 70 insertions, 0 deletions
diff --git a/src/io/io.cpp b/src/io/io.cpp
new file mode 100644
index 0000000..f0705d2
--- /dev/null
+++ b/src/io/io.cpp
@@ -0,0 +1,70 @@
+#include "io.h"
+
+#include <cassert>
+
+namespace saw {
+
+async_io_stream::async_io_stream(own<io_stream> str)
+	: stream_{std::move(str)},
+	  read_ready_{stream_->read_ready()
+					  .then([this]() { read_stepper_.read_step(*stream_); })
+					  .sink()},
+	  write_ready_{stream_->write_ready()
+					   .then([this]() { write_stepper_.write_step(*stream_); })
+					   .sink()},
+	  read_disconnected_{stream_->on_read_disconnected()
+							 .then([this]() {
+								 if (read_stepper_.on_read_disconnect) {
+									 read_stepper_.on_read_disconnect->feed();
+								 }
+							 })
+							 .sink()} {}
+
+void async_io_stream::read(void *buffer, size_t min_length, size_t max_length) {
+	SAW_ASSERT(buffer && max_length >= min_length && min_length > 0) { return; }
+
+	SAW_ASSERT(!read_stepper_.read_task.has_value()) { return; }
+
+	read_stepper_.read_task = read_task_and_step_helper::read_io_task{
+		buffer, min_length, max_length, 0};
+	read_stepper_.read_step(*stream_);
+}
+
+conveyor<size_t> async_io_stream::read_done() {
+	auto caf = new_conveyor_and_feeder<size_t>();
+	read_stepper_.read_done = std::move(caf.feeder);
+	return std::move(caf.conveyor);
+}
+
+conveyor<void> async_io_stream::on_read_disconnected() {
+	auto caf = new_conveyor_and_feeder<void>();
+	read_stepper_.on_read_disconnect = std::move(caf.feeder);
+	return std::move(caf.conveyor);
+}
+
+void async_io_stream::write(const void *buffer, size_t length) {
+	SAW_ASSERT(buffer && length > 0) { return; }
+
+	SAW_ASSERT(!write_stepper_.write_task.has_value()) { return; }
+
+	write_stepper_.write_task =
+		write_task_and_step_helper::write_io_task{buffer, length, 0};
+	write_stepper_.write_step(*stream_);
+}
+
+conveyor<size_t> async_io_stream::write_done() {
+	auto caf = new_conveyor_and_feeder<size_t>();
+	write_stepper_.write_done = std::move(caf.feeder);
+	return std::move(caf.conveyor);
+}
+
+string_network_address::string_network_address(const std::string &address,
+											   uint16_t port)
+	: address_value_{address}, port_value_{port} {}
+
+const std::string &string_network_address::address() const {
+	return address_value_;
+}
+
+uint16_t string_network_address::port() const { return port_value_; }
+} // namespace saw