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icecast-server/src/logging.h

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#ifndef __LOGGING_H__
#define __LOGGING_H__
/* declare the global log descriptors */
extern int errorlog;
extern int accesslog;
/* these are all ERRORx and WARNx where _x_ is the number of parameters
** it takes. it turns out most other copmilers don't have support for
** varargs macros. that totally sucks, but this is still pretty easy.
**
** feel free to add more here if needed.
*/
#ifdef _WIN32
#define __FUNCTION__ __FILE__
#endif
#define ERROR0(y) log_write(errorlog, 1, CATMODULE "/", __FUNCTION__, y)
#define ERROR1(y, a) log_write(errorlog, 1, CATMODULE "/", __FUNCTION__, y, a)
#define ERROR2(y, a, b) log_write(errorlog, 1, CATMODULE "/", __FUNCTION__, y, a, b)
#define ERROR3(y, a, b, c) log_write(errorlog, 1, CATMODULE "/", __FUNCTION__, y, a, b, c)
#define WARN0(y) log_write(errorlog, 2, CATMODULE "/", __FUNCTION__, y)
#define WARN1(y, a) log_write(errorlog, 2, CATMODULE "/", __FUNCTION__, y, a)
#define WARN2(y, a, b) log_write(errorlog, 2, CATMODULE "/", __FUNCTION__, y, a, b)
#define WARN3(y, a, b, c) log_write(errorlog, 2, CATMODULE "/", __FUNCTION__, y, a, b, c)
#define INFO0(y) log_write(errorlog, 3, CATMODULE "/", __FUNCTION__, y)
#define INFO1(y, a) log_write(errorlog, 3, CATMODULE "/", __FUNCTION__, y, a)
#define INFO2(y, a, b) log_write(errorlog, 3, CATMODULE "/", __FUNCTION__, y, a, b)
#define INFO3(y, a, b, c) log_write(errorlog, 3, CATMODULE "/", __FUNCTION__, y, a, b, c)
#define DEBUG0(y) log_write(errorlog, 4, CATMODULE "/", __FUNCTION__, y)
#define DEBUG1(y, a) log_write(errorlog, 4, CATMODULE "/", __FUNCTION__, y, a)
#define DEBUG2(y, a, b) log_write(errorlog, 4, CATMODULE "/", __FUNCTION__, y, a, b)
#define DEBUG3(y, a, b, c) log_write(errorlog, 4, CATMODULE "/", __FUNCTION__, y, a, b, c)
#define DEBUG4(y, a, b, c, d) log_write(errorlog, 4, CATMODULE "/", __FUNCTION__, y, a, b, c, d)
/* CATMODULE is the category or module that logging messages come from.
** we set one here in cause someone forgets in the .c file.
*/
/*#define CATMODULE "unknown"
*/
/* this is the logging call to write entries to the access_log
** the combined log format is:
** ADDR USER AUTH DATE REQUEST CODE BYTES REFERER AGENT [TIME]
** ADDR = ip address of client
** USER = username if authenticated
** AUTH = auth type, not used, and set to "-"
** DATE = date in "[30/Apr/2001:01:25:34 -0700]" format
** REQUEST = request, ie "GET /live.ogg HTTP/1.0"
** CODE = response code, ie, 200 or 404
** BYTES = total bytes of data sent (other than headers)
** REFERER = the refering URL
** AGENT = the user agent
**
** for icecast, we add on extra field at the end, which will be
** ignored by normal log parsers
**
** TIME = seconds that the connection lasted
**
** this allows you to get bitrates (BYTES / TIME)
** and figure out exact times of connections
**
** it should be noted also that events are sent on client disconnect,
** so the DATE is the timestamp of disconnection. DATE - TIME is the
** time of connection.
*/
#define LOGGING_FORMAT_CLF "%d/%b/%Y:%H:%M:%S %z"
void logging_access(client_t *client);
#endif /* __LOGGING_H__ */