forstio/source/forstio/io.cpp

72 lines
2.1 KiB
C++

#include "io.h"
#include <cassert>
namespace saw {
AsyncIoStream::AsyncIoStream(Own<IoStream> str)
: stream{std::move(str)}, read_ready{stream->readReady()
.then([this]() {
read_stepper.readStep(*stream);
})
.sink()},
write_ready{stream->writeReady()
.then([this]() { write_stepper.writeStep(*stream); })
.sink()},
read_disconnected{stream->onReadDisconnected()
.then([this]() {
if (read_stepper.on_read_disconnect) {
read_stepper.on_read_disconnect->feed();
}
})
.sink()} {}
void AsyncIoStream::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 =
ReadTaskAndStepHelper::ReadIoTask{buffer, min_length, max_length, 0};
read_stepper.readStep(*stream);
}
Conveyor<size_t> AsyncIoStream::readDone() {
auto caf = newConveyorAndFeeder<size_t>();
read_stepper.read_done = std::move(caf.feeder);
return std::move(caf.conveyor);
}
Conveyor<void> AsyncIoStream::onReadDisconnected() {
auto caf = newConveyorAndFeeder<void>();
read_stepper.on_read_disconnect = std::move(caf.feeder);
return std::move(caf.conveyor);
}
void AsyncIoStream::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 =
WriteTaskAndStepHelper::WriteIoTask{buffer, length, 0};
write_stepper.writeStep(*stream);
}
Conveyor<size_t> AsyncIoStream::writeDone() {
auto caf = newConveyorAndFeeder<size_t>();
write_stepper.write_done = std::move(caf.feeder);
return std::move(caf.conveyor);
}
StringNetworkAddress::StringNetworkAddress(const std::string &address,
uint16_t port)
: address_value{address}, port_value{port} {}
const std::string &StringNetworkAddress::address() const {
return address_value;
}
uint16_t StringNetworkAddress::port() const { return port_value; }
} // namespace saw