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log: Reimplement logging and debugging

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This commit replaces the old rudimentary log handler
by a shinier version of it. It also introduces the
debugging macros that I usually add to the apps,
including the CC_TRACE_MSG() macro for tracing.
This commit is contained in:
Georges Basile Stavracas Neto 2018-04-06 23:18:26 -03:00
parent 85296f1eba
commit 1187f147af
9 changed files with 386 additions and 97 deletions
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107
shell/cc-log.c Normal file
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@ -0,0 +1,107 @@
/* cc-shell-log.c
*
* Copyright © 2018 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 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/>.
*/
#include "cc-debug.h"
#include "cc-log.h"
#include <unistd.h>
#include <glib.h>
G_LOCK_DEFINE_STATIC (channel_lock);
GIOChannel *standard_channel = NULL;
static const gchar* ignored_domains[] =
{
"GdkPixbuf",
NULL
};
static const gchar *
log_level_str (GLogLevelFlags log_level)
{
switch (((gulong)log_level & G_LOG_LEVEL_MASK))
{
case G_LOG_LEVEL_ERROR: return " \033[1;31mERROR\033[0m";
case G_LOG_LEVEL_CRITICAL: return "\033[1;35mCRITICAL\033[0m";
case G_LOG_LEVEL_WARNING: return " \033[1;33mWARNING\033[0m";
case G_LOG_LEVEL_MESSAGE: return " \033[1;34mMESSAGE\033[0m";
case G_LOG_LEVEL_INFO: return " \033[1;32mINFO\033[0m";
case G_LOG_LEVEL_DEBUG: return " \033[1;32mDEBUG\033[0m";
case CC_LOG_LEVEL_TRACE: return " \033[1;36mTRACE\033[0m";
default: return " UNKNOWN";
}
}
static void
log_handler (const gchar *domain,
GLogLevelFlags log_level,
const gchar *message,
gpointer user_data)
{
GTimeVal tv;
struct tm tt;
time_t t;
const gchar *level;
gchar ftime[32];
gchar *buffer;
/* Skip ignored log domains */
if (domain && g_strv_contains (ignored_domains, domain))
return;
level = log_level_str (log_level);
g_get_current_time (&tv);
t = (time_t) tv.tv_sec;
tt = *localtime (&t);
strftime (ftime, sizeof (ftime), "%H:%M:%S", &tt);
buffer = g_strdup_printf ("%s.%04ld %24s: %s: %s\n",
ftime,
tv.tv_usec / 1000,
domain,
level,
message);
/* Safely write to the channel */
G_LOCK (channel_lock);
g_io_channel_write_chars (standard_channel, buffer, -1, NULL, NULL);
g_io_channel_flush (standard_channel, NULL);
G_UNLOCK (channel_lock);
g_free (buffer);
}
void
cc_log_init (void)
{
static gsize initialized = FALSE;
if (g_once_init_enter (&initialized))
{
standard_channel = g_io_channel_unix_new (STDOUT_FILENO);
g_setenv ("G_MESSAGES_DEBUG", "all", TRUE);
g_log_set_default_handler (log_handler, NULL);
g_once_init_leave (&initialized, TRUE);
}
}