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log4c_rollingpolicy_get
Langue: en
Version: 325965 (ubuntu - 08/07/09)
Section: 3 (Bibliothèques de fonctions)
Sommaire
- NAME
- SYNOPSIS
- Detailed Description
- Define Documentation
- Typedef Documentation
- Function Documentation
- LOG4C_API int log4c_rollingpolicy_fini (log4c_rollingpolicy_t * a_this)
- LOG4C_API log4c_rollingpolicy_t* log4c_rollingpolicy_get (const char * policy_name)
- LOG4C_API rollingfile_udata_t* log4c_rollingpolicy_get_rfudata (const log4c_rollingpolicy_t * policyp)
- LOG4C_API void* log4c_rollingpolicy_get_udata (const log4c_rollingpolicy_t * policyp)
- LOG4C_API int log4c_rollingpolicy_init (log4c_rollingpolicy_t * policyp, rollingfile_udata_t * rfup)
- LOG4C_API int log4c_rollingpolicy_is_triggering_event (log4c_rollingpolicy_t * policyp, const log4c_logging_event_t * evtp, long current_file_size)
- LOG4C_API const log4c_rollingpolicy_type_t* log4c_rollingpolicy_set_type (log4c_rollingpolicy_t * a_rollingpolicy, const log4c_rollingpolicy_type_t * a_type)
- LOG4C_API void log4c_rollingpolicy_set_udata (log4c_rollingpolicy_t * policyp, void * udatap)
- LOG4C_API const log4c_rollingpolicy_type_t* log4c_rollingpolicy_type_get (const char * a_name)
- LOG4C_API const log4c_rollingpolicy_type_t* log4c_rollingpolicy_type_set (const log4c_rollingpolicy_type_t * a_type)
- Author
NAME
rollingpolicy.h - Log4c rolling policy interface. Defines the interface for managing and providing rolling policies.SYNOPSIS
#include <stdio.h>
#include <log4c/defs.h>
#include <log4c/layout.h>
Data Structures
struct log4c_rollingpolicy_type
log4c rollingpolicy type. Defines the interface a specific policy must provide to the rollingfile appender.
Defines
#define ROLLINGPOLICY_ROLLOVER_ERR_CAN_LOG 0x05
Typedefs
typedef struct __log4c_rollingpolicy log4c_rollingpolicy_t
Functions
LOG4C_API log4c_rollingpolicy_t * log4c_rollingpolicy_get (const char *policy_name)
LOG4C_API const log4c_rollingpolicy_type_t * log4c_rollingpolicy_type_set (const log4c_rollingpolicy_type_t *a_type)
LOG4C_API void log4c_rollingpolicy_set_udata (log4c_rollingpolicy_t *policyp, void *udatap)
LOG4C_API int log4c_rollingpolicy_init (log4c_rollingpolicy_t *policyp, rollingfile_udata_t *rfup)
LOG4C_API int log4c_rollingpolicy_fini (log4c_rollingpolicy_t *a_this)
LOG4C_API int log4c_rollingpolicy_is_triggering_event (log4c_rollingpolicy_t *policyp, const log4c_logging_event_t *evtp, long current_file_size)
LOG4C_API const log4c_rollingpolicy_type_t * log4c_rollingpolicy_set_type (log4c_rollingpolicy_t *a_rollingpolicy, const log4c_rollingpolicy_type_t *a_type)
LOG4C_API const log4c_rollingpolicy_type_t * log4c_rollingpolicy_type_get (const char *a_name)
LOG4C_API void * log4c_rollingpolicy_get_udata (const log4c_rollingpolicy_t *policyp)
LOG4C_API rollingfile_udata_t * log4c_rollingpolicy_get_rfudata (const log4c_rollingpolicy_t *policyp)
Detailed Description
Log4c rolling policy interface. Defines the interface for managing and providing rolling policies.
A rolling policy is used to confogure a rollingfile appender to tell it when to trigger a rolover event.
Define Documentation
#define ROLLINGPOLICY_ROLLOVER_ERR_CAN_LOG 0x05
Effect a rollover according to policyp on the given file stream.
Parameters:
- policyp pointer to the rolling policy
fp filestream to rollover.
Returns:
- zero if successful, non-zero otherwise. The policy can return an indication that something went wrong but that the rollingfile appender can stull go ahead and log by returning an error code <= ROLLINGPOLICY_ROLLOVER_ERR_CAN_LOG. Anything greater than means that the rolling file appender will not try to log it's message.
Typedef Documentation
typedef struct __log4c_rollingpolicy log4c_rollingpolicy_t
log4c rollingpolicy type
Function Documentation
LOG4C_API int log4c_rollingpolicy_fini (log4c_rollingpolicy_t * a_this)
Call the un initialization code of a rolling policy. This will call the fini routine of the particular rollingpolicy type to allow it to free up resources. If the call to fini in the rollingpolicy type fails then the rollingpolicy is not uninitialized. Try again later model...
Parameters:
- policyp pointer to the rolling policy
Returns:
- zero if successful, non-zero otherwise.
LOG4C_API log4c_rollingpolicy_t* log4c_rollingpolicy_get (const char * policy_name)
Get a new rolling policy
Parameters:
- policy_name a name for the policy
Returns:
- a new rolling policy, otherwise NULL.
LOG4C_API rollingfile_udata_t* log4c_rollingpolicy_get_rfudata (const log4c_rollingpolicy_t * policyp)
Get the rollingfile appender associated with this policy.
Parameters:
- policyp pointer to the rolling policy
Returns:
- pointer to the rolling file appender associated with this policy
LOG4C_API void* log4c_rollingpolicy_get_udata (const log4c_rollingpolicy_t * policyp)
Get the rolling policy configuration.
Parameters:
- policyp pointer to the rolling policy
Returns:
- pointer to the rolling policy configuration.
LOG4C_API int log4c_rollingpolicy_init (log4c_rollingpolicy_t * policyp, rollingfile_udata_t * rfup)
Call the initialization code of a rolling policy.
Parameters:
- policyp pointer to the rolling policy
app the rolling appender this policy is used with
Returns:
- zero if successful, non-zero otherwise.
LOG4C_API int log4c_rollingpolicy_is_triggering_event (log4c_rollingpolicy_t * policyp, const log4c_logging_event_t * evtp, long current_file_size)
Determine if a logging event should trigger a rollover according to the given policy.
Parameters:
- policyp pointer to the rolling policy
evtp the logging event pointer.
current_file_size the size of the current file being logged to.
Returns:
- non-zero if rollover required, zero otherwise.
LOG4C_API const log4c_rollingpolicy_type_t* log4c_rollingpolicy_set_type (log4c_rollingpolicy_t * a_rollingpolicy, const log4c_rollingpolicy_type_t * a_type)
sets the rolling policy type
Parameters:
- a_rollingpolicy the log4c_rollingpolicy_t object
a_type the new rollingpolicy type
Returns:
- the previous appender type
LOG4C_API void log4c_rollingpolicy_set_udata (log4c_rollingpolicy_t * policyp, void * udatap)
Configure a rolling policy with a specific policy.
Parameters:
- policyp pointer to the rolling policy
udatap a specific policy type, for example sizewin.
Returns:
- zero if successful, non-zero otherwise.
LOG4C_API const log4c_rollingpolicy_type_t* log4c_rollingpolicy_type_get (const char * a_name)
Get a pointer to an existing rollingpolicy type.
Parameters:
- a_name the name of the rollingpolicy type to return.
Returns:
- a pointer to an existing rollingpolicy type, or NULL if no rollingpolicy type with the specified name exists.
LOG4C_API const log4c_rollingpolicy_type_t* log4c_rollingpolicy_type_set (const log4c_rollingpolicy_type_t * a_type)
Use this function to register a rollingpolicy type with log4c. Once this is done you may refer to this type by name both programmatically and in the log4c configuration file.
Parameters:
- a_type a pointer to the new rollingpolicy type to register.
Returns:
- a pointer to the previous rollingpolicy type of same name.
Example code fragment:
const log4c_rollingpolicy_type_t log4c_rollingpolicy_type_sizewin = { 'sizewin', sizewin_init, sizewin_is_triggering_event, sizewin_rollover }; log4c_rollingpolicy_type_set(&log4c_rollingpolicy_type_sizewin);
References log4c_rollingpolicy_type::name.
Author
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