sig_handlers, log: convert to C++

1 files changed, 0 insertions, 341 deletions

diff --git a/src/log.c b/src/log.c
deleted file mode 100644
index 2d3c7cafd..000000000
--- a/src/log.c
+++ /dev/null
@@ -1,341 +0,0 @@
-/*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * 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, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "config.h"
-#include "log.h"
-#include "conf.h"
-#include "utils.h"
-#include "fd_util.h"
-#include "mpd_error.h"
-
-#include <assert.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <string.h>
-#include <stdarg.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <unistd.h>
-#include <errno.h>
-#include <glib.h>
-
-#ifdef HAVE_SYSLOG
-#include <syslog.h>
-#endif
-
-#undef G_LOG_DOMAIN
-#define G_LOG_DOMAIN "log"
-
-#define LOG_LEVEL_SECURE G_LOG_LEVEL_INFO
-
-#define LOG_DATE_BUF_SIZE 16
-#define LOG_DATE_LEN (LOG_DATE_BUF_SIZE - 1)
-
-static GLogLevelFlags log_threshold = G_LOG_LEVEL_MESSAGE;
-
-static const char *log_charset;
-
-static bool stdout_mode = true;
-static int out_fd;
-static char *out_filename;
-
-static void redirect_logs(int fd)
-{
-	assert(fd >= 0);
-	if (dup2(fd, STDOUT_FILENO) < 0)
-		MPD_ERROR("problems dup2 stdout : %s\n", strerror(errno));
-	if (dup2(fd, STDERR_FILENO) < 0)
-		MPD_ERROR("problems dup2 stderr : %s\n", strerror(errno));
-}
-
-static const char *log_date(void)
-{
-	static char buf[LOG_DATE_BUF_SIZE];
-	time_t t = time(NULL);
-	strftime(buf, LOG_DATE_BUF_SIZE, "%b %d %H:%M : ", localtime(&t));
-	return buf;
-}
-
-/**
- * Determines the length of the string excluding trailing whitespace
- * characters.
- */
-static int
-chomp_length(const char *p)
-{
-	size_t length = strlen(p);
-
-	while (length > 0 && g_ascii_isspace(p[length - 1]))
-		--length;
-
-	return (int)length;
-}
-
-static void
-file_log_func(const gchar *log_domain,
-	      GLogLevelFlags log_level,
-	      const gchar *message, G_GNUC_UNUSED gpointer user_data)
-{
-	char *converted;
-
-	if (log_level > log_threshold)
-		return;
-
-	if (log_charset != NULL) {
-		converted = g_convert_with_fallback(message, -1,
-						    log_charset, "utf-8",
-						    NULL, NULL, NULL, NULL);
-		if (converted != NULL)
-			message = converted;
-	} else
-		converted = NULL;
-
-	if (log_domain == NULL)
-		log_domain = "";
-
-	fprintf(stderr, "%s%s%s%.*s\n",
-		stdout_mode ? "" : log_date(),
-		log_domain, *log_domain == 0 ? "" : ": ",
-		chomp_length(message), message);
-
-	g_free(converted);
-}
-
-static void
-log_init_stdout(void)
-{
-	g_log_set_default_handler(file_log_func, NULL);
-}
-
-static int
-open_log_file(void)
-{
-	assert(out_filename != NULL);
-
-	return open_cloexec(out_filename, O_CREAT | O_WRONLY | O_APPEND, 0666);
-}
-
-static bool
-log_init_file(unsigned line, GError **error_r)
-{
-	assert(out_filename != NULL);
-
-	out_fd = open_log_file();
-	if (out_fd < 0) {
-		g_set_error(error_r, log_quark(), errno,
-			    "failed to open log file \"%s\" (config line %u): %s",
-			    out_filename, line, g_strerror(errno));
-		return false;
-	}
-
-	g_log_set_default_handler(file_log_func, NULL);
-	return true;
-}
-
-#ifdef HAVE_SYSLOG
-
-static int
-glib_to_syslog_level(GLogLevelFlags log_level)
-{
-	switch (log_level & G_LOG_LEVEL_MASK) {
-	case G_LOG_LEVEL_ERROR:
-	case G_LOG_LEVEL_CRITICAL:
-		return LOG_ERR;
-
-	case G_LOG_LEVEL_WARNING:
-		return LOG_WARNING;
-
-	case G_LOG_LEVEL_MESSAGE:
-		return LOG_NOTICE;
-
-	case G_LOG_LEVEL_INFO:
-		return LOG_INFO;
-
-	case G_LOG_LEVEL_DEBUG:
-		return LOG_DEBUG;
-
-	default:
-		return LOG_NOTICE;
-	}
-}
-
-static void
-syslog_log_func(const gchar *log_domain,
-		GLogLevelFlags log_level, const gchar *message,
-		G_GNUC_UNUSED gpointer user_data)
-{
-	if (stdout_mode) {
-		/* fall back to the file log function during
-		   startup */
-		file_log_func(log_domain, log_level,
-			      message, user_data);
-		return;
-	}
-
-	if (log_level > log_threshold)
-		return;
-
-	if (log_domain == NULL)
-		log_domain = "";
-
-	syslog(glib_to_syslog_level(log_level), "%s%s%.*s",
-	       log_domain, *log_domain == 0 ? "" : ": ",
-	       chomp_length(message), message);
-}
-
-static void
-log_init_syslog(void)
-{
-	assert(out_filename == NULL);
-
-	openlog(PACKAGE, 0, LOG_DAEMON);
-	g_log_set_default_handler(syslog_log_func, NULL);
-}
-
-#endif
-
-static inline GLogLevelFlags
-parse_log_level(const char *value, unsigned line)
-{
-	if (0 == strcmp(value, "default"))
-		return G_LOG_LEVEL_MESSAGE;
-	if (0 == strcmp(value, "secure"))
-		return LOG_LEVEL_SECURE;
-	else if (0 == strcmp(value, "verbose"))
-		return G_LOG_LEVEL_DEBUG;
-	else {
-		MPD_ERROR("unknown log level \"%s\" at line %u\n",
-			  value, line);
-		return G_LOG_LEVEL_MESSAGE;
-	}
-}
-
-void
-log_early_init(bool verbose)
-{
-	if (verbose)
-		log_threshold = G_LOG_LEVEL_DEBUG;
-
-	log_init_stdout();
-}
-
-bool
-log_init(bool verbose, bool use_stdout, GError **error_r)
-{
-	const struct config_param *param;
-
-	g_get_charset(&log_charset);
-
-	if (verbose)
-		log_threshold = G_LOG_LEVEL_DEBUG;
-	else if ((param = config_get_param(CONF_LOG_LEVEL)) != NULL)
-		log_threshold = parse_log_level(param->value, param->line);
-
-	if (use_stdout) {
-		log_init_stdout();
-		return true;
-	} else {
-		param = config_get_param(CONF_LOG_FILE);
-		if (param == NULL) {
-#ifdef HAVE_SYSLOG
-			/* no configuration: default to syslog (if
-			   available) */
-			log_init_syslog();
-			return true;
-#else
-			g_set_error(error_r, log_quark(), 0,
-				    "config parameter \"%s\" not found",
-				    CONF_LOG_FILE);
-			return false;
-#endif
-#ifdef HAVE_SYSLOG
-		} else if (strcmp(param->value, "syslog") == 0) {
-			log_init_syslog();
-			return true;
-#endif
-		} else {
-			out_filename = config_dup_path(CONF_LOG_FILE, error_r);
-			return out_filename != NULL &&
-				log_init_file(param->line, error_r);
-		}
-	}
-}
-
-static void
-close_log_files(void)
-{
-	if (stdout_mode)
-		return;
-
-#ifdef HAVE_SYSLOG
-	if (out_filename == NULL)
-		closelog();
-#endif
-}
-
-void
-log_deinit(void)
-{
-	close_log_files();
-	g_free(out_filename);
-}
-
-
-void setup_log_output(bool use_stdout)
-{
-	fflush(NULL);
-	if (!use_stdout) {
-#ifndef WIN32
-		if (out_filename == NULL)
-			out_fd = open("/dev/null", O_WRONLY);
-#endif
-
-		if (out_fd >= 0) {
-			redirect_logs(out_fd);
-			close(out_fd);
-		}
-
-		stdout_mode = false;
-		log_charset = NULL;
-	}
-}
-
-int cycle_log_files(void)
-{
-	int fd;
-
-	if (stdout_mode || out_filename == NULL)
-		return 0;
-	assert(out_filename);
-
-	g_debug("Cycling log files...\n");
-	close_log_files();
-
-	fd = open_log_file();
-	if (fd < 0) {
-		g_warning("error re-opening log file: %s\n", out_filename);
-		return -1;
-	}
-
-	redirect_logs(fd);
-	g_debug("Done cycling log files\n");
-	return 0;
-}