Converting log writers and input readers to plugins.

src/logging/writers/sqlite/SQLite.h

@@ -0,0 +1,60 @@
+// See the file "COPYING" in the main distribution directory for copyright.
+//
+// Log writer for SQLITE logs.
+
+#ifndef LOGGING_WRITER_SQLITE_H
+#define LOGGING_WRITER_SQLITE_H
+
+#include "config.h"
+
+#include "logging/WriterBackend.h"
+#include "threading/formatters/Ascii.h"
+#include "3rdparty/sqlite3.h"
+
+namespace logging { namespace writer {
+
+class SQLite : public WriterBackend {
+public:
+	SQLite(WriterFrontend* frontend);
+	~SQLite();
+
+	static WriterBackend* Instantiate(WriterFrontend* frontend)
+		{ return new SQLite(frontend); }
+
+protected:
+	virtual bool DoInit(const WriterInfo& info, int arg_num_fields,
+			    const threading::Field* const* arg_fields);
+	virtual bool DoWrite(int num_fields, const threading::Field* const* fields,
+			     threading::Value** vals);
+	virtual bool DoSetBuf(bool enabled) { return true; }
+	virtual bool DoRotate(const char* rotated_path, double open,
+			      double close, bool terminating);
+	virtual bool DoFlush(double network_time)	{ return true; }
+	virtual bool DoFinish(double network_time)	{ return true; }
+	virtual bool DoHeartbeat(double network_time, double current_time)	{ return true; }
+
+private:
+	bool checkError(int code);
+
+	int AddParams(threading::Value* val, int pos);
+	string GetTableType(int, int);
+	char* FS(const char* format, ...);
+
+	const threading::Field* const * fields; // raw mapping
+	unsigned int num_fields;
+
+	sqlite3 *db;
+	sqlite3_stmt *st;
+
+	string set_separator;
+	string unset_field;
+	string empty_field;
+
+	threading::formatter::Ascii* io;
+};
+
+}
+}
+
+#endif /* LOGGING_WRITER_SQLITE_H */
+