Implement pipeline logging with bounded channels and orchestrator integration

tooling/pipeline/includes/services/logging/channel_logger.h

@@ -0,0 +1,37 @@
+/**
+ * @file services/logging/channel_logger.h
+ * @brief Channel-backed implementation of the Logger interface.
+ *
+ * ChannelLogger constructs LogEntry values and forwards them to a
+ * BoundedChannel<LogEntry> for asynchronous consumption by LogConsumer.
+ * The channel is injected by reference; ChannelLogger does not own it.
+ */
+
+#ifndef BIERGARTEN_PIPELINE_INCLUDES_SERVICES_LOGGING_CHANNEL_LOGGER_H_
+#define BIERGARTEN_PIPELINE_INCLUDES_SERVICES_LOGGING_CHANNEL_LOGGER_H_
+
+#include <string_view>
+
+#include "concurrency/bounded_channel.h"
+#include "services/logging/log_entry.h"
+#include "services/logging/logger.h"
+
+class ChannelLogger final : public ILogger {
+ public:
+  explicit ChannelLogger(BoundedChannel<LogEntry>& channel);
+
+  ChannelLogger(const ChannelLogger&) = delete;
+  ChannelLogger& operator=(const ChannelLogger&) = delete;
+  ChannelLogger(ChannelLogger&&) = delete;
+  ChannelLogger& operator=(ChannelLogger&&) = delete;
+
+  ~ChannelLogger() override = default;
+
+  void Log(LogLevel level, PipelinePhase phase,
+           std::string_view message) override;
+
+ private:
+  BoundedChannel<LogEntry>& channel_;
+};
+
+#endif  // BIERGARTEN_PIPELINE_INCLUDES_SERVICES_LOGGING_CHANNEL_LOGGER_H_