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-rw-r--r--src/common/logging/backend.h92
1 files changed, 12 insertions, 80 deletions
diff --git a/src/common/logging/backend.h b/src/common/logging/backend.h
index 3114f864c..c1f4d08e4 100644
--- a/src/common/logging/backend.h
+++ b/src/common/logging/backend.h
@@ -4,17 +4,17 @@
#pragma once
+#include <chrono>
#include <cstdarg>
-#include <memory>
-#include <vector>
+#include <string>
+#include <utility>
-#include "common/concurrent_ring_buffer.h"
-
-#include "common/logging/filter.h"
#include "common/logging/log.h"
namespace Log {
+class Filter;
+
/**
* A log entry. Log entries are store in a structured format to permit more varied output
* formatting on different frontends, as well as facilitating filtering and aggregation.
@@ -48,89 +48,21 @@ struct Entry {
}
};
-struct ClassInfo {
- Class log_class;
-
- /**
- * Total number of (direct or indirect) sub classes this class has. If any, they follow in
- * sequence after this class in the class list.
- */
- unsigned int num_children = 0;
-
- ClassInfo(Class log_class) : log_class(log_class) {}
-};
-
/**
- * Logging management class. This class has the dual purpose of acting as an exchange point between
- * the logging clients and the log outputter, as well as containing reflection info about available
- * log classes.
+ * Returns the name of the passed log class as a C-string. Subclasses are separated by periods
+ * instead of underscores as in the enumeration.
*/
-class Logger {
-private:
- using Buffer = Common::ConcurrentRingBuffer<Entry, 16 * 1024 / sizeof(Entry)>;
-
-public:
- static const size_t QUEUE_CLOSED = Buffer::QUEUE_CLOSED;
-
- Logger();
-
- /**
- * Returns a list of all vector classes and subclasses. The sequence returned is a pre-order of
- * classes and subclasses, which together with the `num_children` field in ClassInfo, allows
- * you to recover the hierarchy.
- */
- const std::vector<ClassInfo>& GetClasses() const { return all_classes; }
+const char* GetLogClassName(Class log_class);
- /**
- * Returns the name of the passed log class as a C-string. Subclasses are separated by periods
- * instead of underscores as in the enumeration.
- */
- static const char* GetLogClassName(Class log_class);
-
- /**
- * Returns the name of the passed log level as a C-string.
- */
- static const char* GetLevelName(Level log_level);
-
- /**
- * Appends a messages to the log buffer.
- * @note This function is thread safe.
- */
- void LogMessage(Entry entry);
-
- /**
- * Retrieves a batch of messages from the log buffer, blocking until they are available.
- * @note This function is thread safe.
- *
- * @param out_buffer Destination buffer that will receive the log entries.
- * @param buffer_len The maximum size of `out_buffer`.
- * @return The number of entries stored. In case the logger is shutting down, `QUEUE_CLOSED` is
- * returned, no entries are stored and the logger should shutdown.
- */
- size_t GetEntries(Entry* out_buffer, size_t buffer_len);
-
- /**
- * Initiates a shutdown of the logger. This will indicate to log output clients that they
- * should shutdown.
- */
- void Close() { ring_buffer.Close(); }
-
- /**
- * Returns true if Close() has already been called on the Logger.
- */
- bool IsClosed() const { return ring_buffer.IsClosed(); }
-
-private:
- Buffer ring_buffer;
- std::vector<ClassInfo> all_classes;
-};
+/**
+ * Returns the name of the passed log level as a C-string.
+ */
+const char* GetLevelName(Level log_level);
/// Creates a log entry by formatting the given source location, and message.
Entry CreateEntry(Class log_class, Level log_level,
const char* filename, unsigned int line_nr, const char* function,
const char* format, va_list args);
-/// Initializes the default Logger.
-std::shared_ptr<Logger> InitGlobalLogger();
void SetFilter(Filter* filter);