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log.h File Reference
Core

Buffered logging (headers) More...

`#include <stdio.h>`
`#include <glib.h>`
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## Functions

void | janus_vprintf (const char *format,...) G_GNUC_PRINTF(1
| Buffered vprintf.
void int | janus_log_init (gboolean daemon, gboolean console, const char *logfile)
| Log initialization.
void | janus_log_set_loggers (GHashTable *loggers)
| Method to add a list of external loggers to the log management.
void | janus_log_destroy (void)
| Log destruction.
gboolean | janus_log_is_stdout_enabled (void)
| Method to check whether stdout logging is enabled.
gboolean | janus_log_is_logfile_enabled (void)
| Method to check whether file-based logging is enabled.
char * | janus_log_get_logfile_path (void)
| Method to get the path to the log file.

## Detailed Description

Buffered logging (headers)

Author
  Jay Ridgeway jayri.nosp@m.dge@.nosp@m.gmail.nosp@m..com

Copyright
  GNU General Public License v3

Implementation of a simple buffered logger designed to remove I/O wait from threads that may be sensitive to such delays. Buffers are saved and reused to reduce allocation calls. The logger output can then be printed to stdout and/or a log file. If external loggers are added to the core, the logger output is passed to those as well.

Core

## Function Documentation

## janus_log_destroy()

void janus_log_destroy | ( | void |  | ) |

Log destruction.

## janus_log_get_logfile_path()

char * janus_log_get_logfile_path | ( | void |  | ) |

Method to get the path to the log file.

Returns
  The full path to the log file, or NULL otherwise

## janus_log_init()

void int janus_log_init | ( | gboolean | daemon,
|  | gboolean | console,
|  | const char * | logfile
| ) |  |

Log initialization.

Note
  This should be called before attempting to use the logger. A buffer pool and processing thread are created.

Parameters

  daemon | Whether the Janus is running as a daemon or not
  console | Whether the output should be printed on stdout or not
  logfile | Log file to save the output to, if any

Returns
  0 in case of success, a negative integer otherwise

## janus_log_is_logfile_enabled()

gboolean janus_log_is_logfile_enabled | ( | void |  | ) |

Method to check whether file-based logging is enabled.

Returns
  TRUE if file-based logging is enabled, FALSE otherwise

## janus_log_is_stdout_enabled()

gboolean janus_log_is_stdout_enabled | ( | void |  | ) |

Method to check whether stdout logging is enabled.

Returns
  TRUE if stdout logging is enabled, FALSE otherwise

## janus_log_set_loggers()

void janus_log_set_loggers | ( | GHashTable * | loggers | ) |

Method to add a list of external loggers to the log management.

Parameters

  loggers | Hash table of external loggers registered in the core

## janus_vprintf()

void janus_vprintf | ( | const char * | format,
|  |  | ...
| ) |  |

Buffered vprintf.

Parameters

  [in] | format | Format string as defined by glib, followed by the optional parameters to insert into formatted string (printf style)

Note
  This output is buffered and may not appear immediately on stdout.