messages.c File Reference

Include dependency graph for messages.c:

Data Structures
struct	vlc_logger
struct	vlc_log_early_t
	Early (latched) message log. More...
struct	vlc_logger_early
struct	vlc_logger_switch
	Switchable message log. More...
struct	vlc_logger_module
	Module-based message log. More...
struct	vlc_logger_header
	Message log with "header". More...
struct	vlc_logger_external
	External custom log callback. More...

Typedefs
typedef struct vlc_log_early_t	vlc_log_early_t
	Early (latched) message log. More...
typedef struct vlc_logger_early	vlc_logger_early_t

Functions
static void	vlc_LogSpam (vlc_object_t *obj)
static void	vlc_vaLogCallback (vlc_logger_t *logger, int type, const vlc_log_t *item, const char *format, va_list ap)
static void	vlc_LogCallback (vlc_logger_t *logger, int type, const vlc_log_t *item, const char *format,...)
void	vlc_vaLog (struct vlc_logger *const *loggerp, int type, const char *typename, const char *module, const char *file, unsigned line, const char *func, const char *format, va_list args)
void	vlc_Log (struct vlc_logger *const *logger, int type, const char *typename, const char *module, const char *file, unsigned line, const char *func, const char *format,...)
static void	vlc_vaLogEarly (void *d, int type, const vlc_log_t *item, const char *format, va_list ap)
static void	vlc_LogEarlyClose (void *d)
static struct vlc_logger *	vlc_LogEarlyOpen (struct vlc_logger *logger)
static void	vlc_vaLogDiscard (void *d, int type, const vlc_log_t *item, const char *format, va_list ap)
static void	vlc_LogDiscardClose (void *d)
static void	vlc_vaLogSwitch (void *d, int type, const vlc_log_t *item, const char *format, va_list ap)
static void	vlc_LogSwitch (vlc_logger_t *logger, vlc_logger_t *new_logger)
static void	vlc_LogSwitchClose (void *d)
static struct vlc_logger *	vlc_LogSwitchCreate (void)
static int	vlc_logger_load (void *func, bool forced, va_list ap)
static void	vlc_vaLogModule (void *d, int type, const vlc_log_t *item, const char *format, va_list ap)
static void	vlc_LogModuleClose (void *d)
static struct vlc_logger *	vlc_LogModuleCreate (vlc_object_t *parent)
void	vlc_LogInit (libvlc_int_t *vlc)
	Initializes the messages logging subsystem and drain the early messages to the configured log. More...
int	vlc_LogPreinit (libvlc_int_t *vlc)
	Performs preinitialization of the messages logging subsystem. More...
static void	vlc_vaLogHeader (void *d, int type, const vlc_log_t *item, const char *format, va_list ap)
struct vlc_logger *	vlc_LogHeaderCreate (struct vlc_logger *parent, const char *str)
	Creates a prefixed message log. More...
static void	vlc_vaLogExternal (void *d, int type, const vlc_log_t *item, const char *format, va_list ap)
static void	vlc_LogExternalClose (void *d)
static struct vlc_logger *	vlc_LogExternalCreate (const struct vlc_logger_operations *ops, void *opaque)
void	vlc_LogSet (libvlc_int_t *vlc, const struct vlc_logger_operations *ops, void *opaque)
	Sets the message logging callback. More...
void	vlc_LogDestroy (vlc_logger_t *logger)
	Destroys a message log. More...

Variables
static const struct vlc_logger_operations	early_ops
static const struct vlc_logger_operations	discard_ops
static struct vlc_logger	discard_log = { &discard_ops }
static const struct vlc_logger_operations	switch_ops
static const struct vlc_logger_operations	module_ops
static const struct vlc_logger_operations	header_ops
static const struct vlc_logger_operations	external_ops

Typedef Documentation

vlc_log_early_t

typedef struct vlc_log_early_t vlc_log_early_t

Early (latched) message log.

A message log that stores messages in memory until another log is available.

vlc_logger_early_t

typedef struct vlc_logger_early vlc_logger_early_t

Function Documentation

vlc_LogCallback()

static void vlc_LogCallback ( vlc_logger_t *  logger, int  type, const vlc_log_t *  item, const char *  format,   ...  )

static

References vlc_vaLogCallback().

Referenced by vlc_LogEarlyClose().

vlc_LogDiscardClose()

static void vlc_LogDiscardClose ( void *  d )

static

vlc_LogEarlyClose()

static void vlc_LogEarlyClose ( void *  d )

static

References container_of, vlc_logger_early::head, vlc_logger_early::logger, vlc_logger_early::sink, and vlc_LogCallback().

vlc_LogEarlyOpen()

static struct vlc_logger * vlc_LogEarlyOpen ( struct vlc_logger *  logger )

static

References early_ops, vlc_logger_early::head, vlc_logger_early::lock, vlc_logger_early::logger, vlc_logger::ops, vlc_logger_early::sink, vlc_logger_early::tailp, unlikely, and vlc_mutex_init().

Referenced by vlc_LogPreinit().

vlc_LogExternalClose()

static void vlc_LogExternalClose ( void *  d )

static

References vlc_logger_operations::destroy, vlc_logger_external::opaque, and vlc_logger_external::ops.

vlc_LogExternalCreate()

static struct vlc_logger * vlc_LogExternalCreate ( const struct vlc_logger_operations *  ops, void *  opaque  )

static

References external_ops, vlc_logger_external::logger, vlc_logger_external::opaque, vlc_logger::ops, vlc_logger_external::ops, and unlikely.

Referenced by vlc_LogSet().

vlc_logger_load()

static int vlc_logger_load ( void *  func, bool  forced, va_list  ap  )

static

References vlc_logger_module::opaque, vlc_logger_module::ops, VLC_EGENERIC, VLC_OBJECT, and VLC_SUCCESS.

Referenced by vlc_LogModuleCreate().

vlc_LogInit()

void vlc_LogInit

(

libvlc_int_t *

vlc

)

Initializes the messages logging subsystem and drain the early messages to the configured log.

References discard_log, vlc_object_t::logger, libvlc_int_t::obj, vlc_LogModuleCreate(), vlc_LogSwitch(), and VLC_OBJECT.

Referenced by libvlc_InternalInit().

vlc_LogModuleClose()

static void vlc_LogModuleClose ( void *  d )

static

References container_of, vlc_logger_operations::destroy, vlc_logger_module::frontend, vlc_logger_module::opaque, vlc_logger_module::ops, VLC_OBJECT, and vlc_object_delete.

vlc_LogModuleCreate()

static struct vlc_logger * vlc_LogModuleCreate ( vlc_object_t *  parent )

static

References vlc_logger_module::frontend, module_ops, vlc_logger::ops, unlikely, vlc_custom_create, vlc_logger_load(), vlc_module_load, VLC_OBJECT, and vlc_object_delete.

Referenced by vlc_LogInit().

vlc_LogPreinit()

int vlc_LogPreinit

(

libvlc_int_t *

vlc

)

Performs preinitialization of the messages logging subsystem.

Early log messages will be stored in memory until the subsystem is fully initialized with vlc_LogInit(). This enables logging before the configuration and modules bank are ready.

Returns

0 on success, -1 on error.

References vlc_object_t::logger, libvlc_int_t::obj, unlikely, vlc_LogEarlyOpen(), vlc_LogSpam(), vlc_LogSwitch(), vlc_LogSwitchCreate(), and VLC_OBJECT.

Referenced by libvlc_InternalInit().

vlc_LogSpam()

static void vlc_LogSpam ( vlc_object_t *  obj )

static

References msg_Dbg, and psz_vlc_changeset.

Referenced by vlc_LogPreinit(), and vlc_LogSet().

vlc_LogSwitch()

static void vlc_LogSwitch ( vlc_logger_t *  logger, vlc_logger_t *  new_logger  )

static

References vlc_logger_switch::backend, container_of, vlc_logger_operations::destroy, discard_log, vlc_logger_switch::frontend, vlc_logger::ops, switch_ops, and vlc_rcu_synchronize().

Referenced by vlc_LogInit(), vlc_LogPreinit(), vlc_LogSet(), and vlc_LogSwitchClose().

vlc_LogSwitchClose()

static void vlc_LogSwitchClose ( void *  d )

static

References container_of, discard_log, vlc_logger_switch::frontend, and vlc_LogSwitch().

vlc_LogSwitchCreate()

static struct vlc_logger * vlc_LogSwitchCreate ( void  )

static

References vlc_logger_switch::backend, discard_log, vlc_logger_switch::frontend, vlc_logger::ops, switch_ops, and unlikely.

Referenced by vlc_LogPreinit().

vlc_vaLogCallback()

static void vlc_vaLogCallback ( vlc_logger_t *  logger, int  type, const vlc_log_t *  item, const char *  format, va_list  ap  )

static

References vlc_logger_operations::log, vlc_logger::ops, vlc_restorecancel(), and vlc_savecancel().

Referenced by vlc_LogCallback(), and vlc_vaLog().

vlc_vaLogDiscard()

static void vlc_vaLogDiscard ( void *  d, int  type, const vlc_log_t *  item, const char *  format, va_list  ap  )

static

vlc_vaLogEarly()

static void vlc_vaLogEarly ( void *  d, int  type, const vlc_log_t *  item, const char *  format, va_list  ap  )

static

References container_of, vlc_log_t::file, vlc_log_t::func, vlc_log_t::i_object_id, vlc_log_t::line, vlc_logger_early::lock, vlc_logger_early::logger, vlc_log_early_t::meta, vlc_log_early_t::msg, vlc_log_early_t::next, vlc_log_t::psz_header, vlc_log_t::psz_module, vlc_log_t::psz_object_type, strdup(), vlc_logger_early::tailp, vlc_log_early_t::type, unlikely, vasprintf(), vlc_mutex_lock(), and vlc_mutex_unlock().

vlc_vaLogExternal()

static void vlc_vaLogExternal ( void *  d, int  type, const vlc_log_t *  item, const char *  format, va_list  ap  )

static

References vlc_logger_operations::log, vlc_logger_external::opaque, and vlc_logger_external::ops.

vlc_vaLogHeader()

static void vlc_vaLogHeader ( void *  d, int  type, const vlc_log_t *  item, const char *  format, va_list  ap  )

static

References container_of, vlc_logger_header::header, vlc_logger_operations::log, vlc_logger_header::logger, vlc_logger::ops, vlc_logger_header::parent, and vlc_log_t::psz_header.

vlc_vaLogModule()

static void vlc_vaLogModule ( void *  d, int  type, const vlc_log_t *  item, const char *  format, va_list  ap  )

static

References container_of, vlc_logger_module::frontend, vlc_logger_operations::log, vlc_logger_module::opaque, and vlc_logger_module::ops.

vlc_vaLogSwitch()

static void vlc_vaLogSwitch ( void *  d, int  type, const vlc_log_t *  item, const char *  format, va_list  ap  )

static

References vlc_logger_switch::backend, container_of, vlc_logger_switch::frontend, vlc_logger_operations::log, vlc_logger::ops, vlc_rcu_read_lock(), and vlc_rcu_read_unlock().

Variable Documentation

discard_log

struct vlc_logger discard_log = { &discard_ops }

static

Referenced by vlc_LogInit(), vlc_LogSet(), vlc_LogSwitch(), vlc_LogSwitchClose(), and vlc_LogSwitchCreate().

discard_ops

const struct vlc_logger_operations discard_ops

static

Initial value:

= {
    vlc_vaLogDiscard,
    vlc_LogDiscardClose,
}

early_ops

const struct vlc_logger_operations early_ops

static

Initial value:

= {
    vlc_vaLogEarly,
    vlc_LogEarlyClose,
}

Referenced by vlc_LogEarlyOpen().

external_ops

const struct vlc_logger_operations external_ops

static

Initial value:

= {
    vlc_vaLogExternal,
    vlc_LogExternalClose,
}

Referenced by vlc_LogExternalCreate().

header_ops

const struct vlc_logger_operations header_ops

static

Initial value:

= {
    vlc_vaLogHeader,
    free,
}

Referenced by vlc_LogHeaderCreate().

module_ops

const struct vlc_logger_operations module_ops

static

Initial value:

= {
    vlc_vaLogModule,
    vlc_LogModuleClose,
}

Referenced by vlc_LogModuleCreate().

switch_ops

const struct vlc_logger_operations switch_ops

static

Initial value:

= {
    vlc_vaLogSwitch,
    vlc_LogSwitchClose,
}

Referenced by vlc_LogSwitch(), and vlc_LogSwitchCreate().