1 files changed, 68 insertions, 0 deletions
diff --git a/store/works/life/computer-network-experiment/IO.h b/store/works/life/computer-network-experiment/IO.h
new file mode 100644
index 0000000..1658b78
--- /dev/null
+++ b/store/works/life/computer-network-experiment/IO.h
@@ -0,0 +1,68 @@
+#pragma once
+#include "Common.h"
+#include "StringUtil.hpp"
+
+#include <fmt/format.h>
+#include <folly/CancellationToken.h>
+#include <folly/MPMCPipeline.h>
+#include <folly/MPMCQueue.h>
+
+#include <iostream>
+#include <thread>
+
+enum class OutputType { Normal, Error };
+enum class OutputColor { Normal, Green, Red, Yellow };
+
+struct Output {
+  Output() = default;
+  Output(String message, OutputType type = OutputType::Normal)
+      : message(std::move(message)), type(type),
+        color(type == OutputType::Error ? OutputColor::Red
+                                        : OutputColor::Normal) {}
+
+  Output(String message, OutputColor color)
+      : message(std::move(message)), type(OutputType::Normal), color(color) {}
+
+  Output(String message, OutputType type, OutputColor color)
+      : message(std::move(message)), type(type), color(color) {}
+
+  CRU_DEFAULT_COPY(Output)
+  CRU_DEFAULT_MOVE(Output)
+  ~Output() = default;
+
+  String message;
+  OutputType type;
+  OutputColor color;
+};
+
+extern folly::MPMCQueue<Output> output_queue;
+
+inline void SendOutput(Output output) {
+  output_queue.blockingWrite(std::move(output));
+}
+
+inline void SendOutput(String output) { SendOutput(Output{std::move(output)}); }
+
+template <typename... Args> void SendOutput(StringView format, Args &&...args) {
+  output_queue.blockingWrite(fmt::format(format, std::forward<Args>(args)...));
+}
+
+template <typename... Args>
+void SendOutput(OutputType type, StringView format, Args &&...args) {
+  output_queue.blockingWrite(
+      Output{fmt::format(format, std::forward<Args>(args)...), type});
+}
+
+template <typename... Args>
+void SendOutput(OutputColor color, StringView format, Args &&...args) {
+  output_queue.blockingWrite(
+      Output{fmt::format(format, std::forward<Args>(args)...), color});
+}
+
+void SignalAndWaitForOutputThreadStop();
+
+void OnInputLine(StringView line);
+
+void StartIOThread();
+
+String ReadInputLine();
+\ No newline at end of file