NeoMutt  2023-03-22
Teaching an old dog new tricks
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mutt_logging.h File Reference

NeoMutt Logging. More...

#include <stdbool.h>
#include <stdint.h>
#include <time.h>
#include "mutt/lib.h"
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Go to the source code of this file.

Functions

int log_disp_curses (time_t stamp, const char *file, int line, const char *function, enum LogLevel level,...)
 Display a log line in the message line - Implements log_dispatcher_t -. More...
 
void mutt_log_prep (void)
 Prepare to log. More...
 
int mutt_log_start (void)
 Enable file logging. More...
 
void mutt_log_stop (void)
 Close the log file. More...
 
int mutt_log_set_level (enum LogLevel level, bool verbose)
 Change the logging level. More...
 
int mutt_log_set_file (const char *file)
 Change the logging file. More...
 
int main_log_observer (struct NotifyCallback *nc)
 Notification that a Config Variable has changed - Implements observer_t -. More...
 
int level_validator (const struct ConfigSet *cs, const struct ConfigDef *cdef, intptr_t value, struct Buffer *err)
 Validate the "debug_level" config variable - Implements ConfigDef::validator() -. More...
 
void mutt_clear_error (void)
 Clear the message line (bottom line of screen) More...
 

Detailed Description

NeoMutt Logging.

Authors
  • Richard Russon

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file mutt_logging.h.

Function Documentation

◆ mutt_log_prep()

void mutt_log_prep ( void  )

Prepare to log.

Definition at line 173 of file mutt_logging.c.

174{
175 char ver[64] = { 0 };
176 snprintf(ver, sizeof(ver), "-%s%s", PACKAGE_VERSION, GitVer);
178}
const char * GitVer
void log_file_set_version(const char *version)
Set the program's version number.
Definition: logging.c:220
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◆ mutt_log_start()

int mutt_log_start ( void  )

Enable file logging.

Return values
0Success, or already running
-1Failed to start

This also handles file rotation.

Definition at line 250 of file mutt_logging.c.

251{
252 const short c_debug_level = cs_subset_number(NeoMutt->sub, "debug_level");
253 if (c_debug_level < 1)
254 return 0;
255
256 if (log_file_running())
257 return 0;
258
259 const char *const c_debug_file = cs_subset_path(NeoMutt->sub, "debug_file");
260 mutt_log_set_file(c_debug_file);
261
262 /* This will trigger the file creation */
263 if (log_file_set_level(c_debug_level, true) < 0)
264 return -1;
265
266 return 0;
267}
short cs_subset_number(const struct ConfigSubset *sub, const char *name)
Get a number config item by name.
Definition: helpers.c:169
const char * cs_subset_path(const struct ConfigSubset *sub, const char *name)
Get a path config item by name.
Definition: helpers.c:194
int log_file_set_level(enum LogLevel level, bool verbose)
Set the logging level.
Definition: logging.c:175
bool log_file_running(void)
Is the log file running?
Definition: logging.c:229
int mutt_log_set_file(const char *file)
Change the logging file.
Definition: mutt_logging.c:197
Container for Accounts, Notifications.
Definition: neomutt.h:37
struct ConfigSubset * sub
Inherited config items.
Definition: neomutt.h:39
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◆ mutt_log_stop()

void mutt_log_stop ( void  )

Close the log file.

Definition at line 183 of file mutt_logging.c.

184{
185 log_file_close(false);
187}
void log_file_close(bool verbose)
Close the log file.
Definition: logging.c:98
#define FREE(x)
Definition: memory.h:43
char * CurrentFile
The previous log file name.
Definition: mutt_logging.c:48
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◆ mutt_log_set_level()

int mutt_log_set_level ( enum LogLevel  level,
bool  verbose 
)

Change the logging level.

Parameters
levelLogging level
verboseIf true, then log the event
Return values
0Success
-1Error, level is out of range

Definition at line 228 of file mutt_logging.c.

229{
230 if (!CurrentFile)
231 {
232 const char *const c_debug_file = cs_subset_path(NeoMutt->sub, "debug_file");
233 mutt_log_set_file(c_debug_file);
234 }
235
236 if (log_file_set_level(level, verbose) != 0)
237 return -1;
238
239 cs_subset_str_native_set(NeoMutt->sub, "debug_level", level, NULL);
240 return 0;
241}
int cs_subset_str_native_set(const struct ConfigSubset *sub, const char *name, intptr_t value, struct Buffer *err)
Natively set the value of a string config item.
Definition: subset.c:305
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◆ mutt_log_set_file()

int mutt_log_set_file ( const char *  file)

Change the logging file.

Parameters
fileName to use
Return values
0Success, file opened
-1Error, see errno

Close the old log, rotate the new logs and open the new log.

Definition at line 197 of file mutt_logging.c.

198{
199 const char *const c_debug_file = cs_subset_path(NeoMutt->sub, "debug_file");
200 if (!mutt_str_equal(CurrentFile, c_debug_file))
201 {
202 struct Buffer *expanded = mutt_buffer_pool_get();
203 mutt_buffer_addstr(expanded, c_debug_file);
204 mutt_buffer_expand_path(expanded);
205
206 const char *name = mutt_file_rotate(mutt_buffer_string(expanded), NumOfLogs);
207 mutt_buffer_pool_release(&expanded);
208 if (!name)
209 return -1;
210
211 log_file_set_filename(name, false);
212 FREE(&name);
213 mutt_str_replace(&CurrentFile, c_debug_file);
214 }
215
216 cs_subset_str_string_set(NeoMutt->sub, "debug_file", file, NULL);
217
218 return 0;
219}
size_t mutt_buffer_addstr(struct Buffer *buf, const char *s)
Add a string to a Buffer.
Definition: buffer.c:233
static const char * mutt_buffer_string(const struct Buffer *buf)
Convert a buffer to a const char * "string".
Definition: buffer.h:78
const char * mutt_file_rotate(const char *path, int count)
Rotate a set of numbered files.
Definition: file.c:518
int log_file_set_filename(const char *file, bool verbose)
Set the filename for the log.
Definition: logging.c:149
bool mutt_str_equal(const char *a, const char *b)
Compare two strings.
Definition: string.c:807
char * mutt_str_replace(char **p, const char *s)
Replace one string with another.
Definition: string.c:326
const int NumOfLogs
How many log files to rotate.
Definition: mutt_logging.c:49
void mutt_buffer_expand_path(struct Buffer *buf)
Create the canonical path.
Definition: muttlib.c:322
void mutt_buffer_pool_release(struct Buffer **pbuf)
Free a Buffer from the pool.
Definition: pool.c:112
struct Buffer * mutt_buffer_pool_get(void)
Get a Buffer from the pool.
Definition: pool.c:101
String manipulation buffer.
Definition: buffer.h:34
int cs_subset_str_string_set(const struct ConfigSubset *sub, const char *name, const char *value, struct Buffer *err)
Set a config item by string.
Definition: subset.c:408
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◆ mutt_clear_error()

void mutt_clear_error ( void  )

Clear the message line (bottom line of screen)

Definition at line 73 of file mutt_logging.c.

74{
75 /* Make sure the error message has had time to be read */
76 if (OptMsgErr)
78
79 ErrorBufMessage = false;
80 if (!OptNoCurses)
82}
bool OptNoCurses
(pseudo) when sending in batch mode
Definition: globals.c:81
bool OptMsgErr
(pseudo) used by mutt_error/mutt_message
Definition: globals.c:74
bool ErrorBufMessage
true if the last message was an error
Definition: globals.c:35
void msgwin_clear_text(void)
Clear the text in the Message Window.
Definition: msgwin.c:249
static void error_pause(void)
Wait for an error message to be read.
Definition: mutt_logging.c:58
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