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#ifndef READLOG_HEADER
#define READLOG_HEADER
/*!
\brief Possible return codes for the functions parsing the input log.
*/
enum ReadLogReturnCodeEnum
{
//! Line successfuly read.
RLRC_NoError,
//! Line is known and should be ignored.
RLRC_Ignore,
//! Unknown line format.
RLRC_Unknown,
//! Error encountered during the parsing of the file.
RLRC_InternalError,
RLRC_LastRetCode //!< last entry of the list.
};
/*!
\brief Data read from an input log file.
*/
struct ReadLogStruct
{
//! The time corresponding to the entry.
struct tm EntryTime;
//! The IP address connecting to internet.
const char *Ip;
//! The user's name.
const char *User;
/*!
The URL of the visited site.
The pointer may be NULL if the URL doesn't exists in the log file.
*/
char *Url;
//! Time necessary to process the user's request.
long int ElapsedTime;
//! Number of transfered bytes.
long long int DataSize;
//! HTTP code returned to the user for the entry.
char *HttpCode;
//! HTTP method or NULL if the information is not stored in the log.
char *HttpMethod;
//! Useragent string or NULL if it isn't available
const char *UserAgent;
};
/*!
\brief Functions to read a log file.
*/
struct ReadLogProcessStruct
{
//! The name of the log file processed by this object.
const char *Name;
//! Inform the module about the reading of a new file.
void (*NewFile)(const char *FileName);
//! Funtion to read one entry from the log.
enum ReadLogReturnCodeEnum (*ReadEntry)(char *Line,struct ReadLogStruct *Entry);
};
/*!
* \brief Persistant data to parse a log line.
*/
struct LogLineStruct
{
const struct ReadLogProcessStruct *current_format;
int current_format_idx;
int successive_errors;
int total_errors;
const char *file_name;
};
//! Opaque object used to parse a log line.
typedef struct LogLineStruct *LogLineObject;
void LogLine_Init(struct LogLineStruct *log_line);
void LogLine_File(struct LogLineStruct *log_line,const char *file_name);
enum ReadLogReturnCodeEnum LogLine_Parse(struct LogLineStruct *log_line,struct ReadLogStruct *log_entry,char *linebuf);
#endif //READLOG_HEADER
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