zeek/src/logging/writers/ascii/Ascii.h

73 lines
1.8 KiB
C++

// See the file "COPYING" in the main distribution directory for copyright.
//
// Log writer for delimiter-separated ASCII logs.
#ifndef LOGGING_WRITER_ASCII_H
#define LOGGING_WRITER_ASCII_H
#include "logging/WriterBackend.h"
#include "threading/formatters/Ascii.h"
#include "threading/formatters/JSON.h"
namespace logging { namespace writer {
class Ascii : public WriterBackend {
public:
Ascii(WriterFrontend* frontend);
~Ascii();
static string LogExt();
static WriterBackend* Instantiate(WriterFrontend* frontend)
{ return new Ascii(frontend); }
protected:
virtual bool DoInit(const WriterInfo& info, int num_fields,
const threading::Field* const* fields);
virtual bool DoWrite(int num_fields, const threading::Field* const* fields,
threading::Value** vals);
virtual bool DoSetBuf(bool enabled);
virtual bool DoRotate(const char* rotated_path, double open,
double close, bool terminating);
virtual bool DoFlush(double network_time);
virtual bool DoFinish(double network_time);
virtual bool DoHeartbeat(double network_time, double current_time);
private:
bool IsSpecial(string path) { return path.find("/dev/") == 0; }
bool WriteHeader(const string& path);
bool WriteHeaderField(const string& key, const string& value);
void CloseFile(double t);
string Timestamp(double t); // Uses current time if t is zero.
void InitConfigOptions();
bool InitFilterOptions();
bool InitFormatter();
int fd;
string fname;
ODesc desc;
bool ascii_done;
// Options set from the script-level.
bool output_to_stdout;
bool include_meta;
bool tsv;
string separator;
string set_separator;
string empty_field;
string unset_field;
string meta_prefix;
bool use_json;
string json_timestamps;
threading::formatter::Formatter* formatter;
bool init_options;
};
}
}
#endif