text: /*
   * Copyright (c) 2015-2016 Red Hat, Inc.
   *
   * All rights reserved.
   *
   * Author: Jan Friesse (jfriesse@redhat.com)
   *
   * This software licensed under BSD license, the text of which follows:
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * - Redistributions of source code must retain the above copyright notice,
   *   this list of conditions and the following disclaimer.
   * - Redistributions in binary form must reproduce the above copyright notice,
   *   this list of conditions and the following disclaimer in the documentation
   *   and/or other materials provided with the distribution.
   * - Neither the name of the Red Hat, Inc. nor the names of its
   *   contributors may be used to endorse or promote products derived from this
   *   software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   * THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "qdevice-log.h"
  #include "qdevice-config.h"
  #include "utils.h"
  
  static int qdevice_log_global_force_debug;
  
  struct qdevice_log_syslog_names {
  	const char *prio_name;
  	int priority;
  };
  
  static struct qdevice_log_syslog_names qdevice_log_priority_names[] = {
  	{ "alert", LOG_ALERT },
  	{ "crit", LOG_CRIT },
  	{ "debug", LOG_DEBUG },
  	{ "emerg", LOG_EMERG },
  	{ "err", LOG_ERR },
  	{ "error", LOG_ERR },
  	{ "info", LOG_INFO },
  	{ "notice", LOG_NOTICE },
  	{ "warning", LOG_WARNING },
  	{ NULL, -1 }};
  
  static int
  qdevice_log_priority_str_to_int(const char *priority_str)
  {
  	unsigned int i;
  
  	for (i = 0; qdevice_log_priority_names[i].prio_name != NULL; i++) {
  		if (strcasecmp(priority_str, qdevice_log_priority_names[i].prio_name) == 0) {
  			return (qdevice_log_priority_names[i].priority);
  		}
  	}
  
  	return (-1);
  }
  
  void
  qdevice_log_configure(struct qdevice_instance *instance)
  {
  	int to_stderr;
  	int to_syslog;
  	int syslog_facility;
  	int syslog_priority;
  	int logfile_priority;
  	int debug;
  	char *str;
  	int i;
  	int fileline;
  	int timestamp;
  	int function_name;
  	char log_format_syslog[64];
  	char log_format_stderr[64];
  
  	to_stderr = QDEVICE_LOG_DEFAULT_TO_STDERR;
  	if (cmap_get_string(instance->cmap_handle, "logging.to_stderr", &str) == CS_OK) {
  		if ((i = utils_parse_bool_str(str)) == -1) {
  			qdevice_log(LOG_WARNING, "logging.to_stderr value is not valid");
  		} else {
  			to_stderr = i;
  		}
  		free(str);
  	}
  
  	if (cmap_get_string(instance->cmap_handle,
  	    "logging.logger_subsys." QDEVICE_LOG_SUBSYS ".to_stderr", &str) == CS_OK) {
  		if ((i = utils_parse_bool_str(str)) == -1) {
  			qdevice_log(LOG_WARNING,
  			    "logging.logger_subsys." QDEVICE_LOG_SUBSYS ".to_stderr value is not valid.");
  		} else {
  			to_stderr = i;
  		}
  		free(str);
  	}
  
  	to_syslog = QDEVICE_LOG_DEFAULT_TO_SYSLOG;
  	if (cmap_get_string(instance->cmap_handle, "logging.to_syslog", &str) == CS_OK) {
  		if ((i = utils_parse_bool_str(str)) == -1) {
  			qdevice_log(LOG_WARNING, "logging.to_syslog value is not valid");
  		} else {
  			to_syslog = i;
  		}
  		free(str);
  	}
  
  	if (cmap_get_string(instance->cmap_handle,
  	    "logging.logger_subsys." QDEVICE_LOG_SUBSYS ".to_syslog", &str) == CS_OK) {
  		if ((i = utils_parse_bool_str(str)) == -1) {
  			qdevice_log(LOG_WARNING,
  			    "logging.logger_subsys." QDEVICE_LOG_SUBSYS ".to_syslog value is not valid.");
  		} else {
  			to_syslog = i;
  		}
  		free(str);
  	}
  
  	syslog_facility = QDEVICE_LOG_DEFAULT_SYSLOG_FACILITY;
  	if (cmap_get_string(instance->cmap_handle, "logging.syslog_facility", &str) == CS_OK) {
  		if ((i = qb_log_facility2int(str)) < 0) {
  			qdevice_log(LOG_WARNING, "logging.syslog_facility value is not valid");
  		} else {
  			syslog_facility = i;
  		}
  
  		free(str);
  	}
  
  	if (cmap_get_string(instance->cmap_handle,
  	    "logging.logger_subsys." QDEVICE_LOG_SUBSYS ".syslog_facility", &str) == CS_OK) {
  		if ((i = qb_log_facility2int(str)) < 0) {
  			qdevice_log(LOG_WARNING,
  			    "logging.logger_subsys." QDEVICE_LOG_SUBSYS ".syslog_facility value is not valid.");
  		} else {
  			syslog_facility = i;
  		}
  		free(str);
  	}
  
  	syslog_priority = QDEVICE_LOG_DEFAULT_SYSLOG_PRIORITY;
  	if (cmap_get_string(instance->cmap_handle, "logging.syslog_priority", &str) == CS_OK) {
  		if ((i = qdevice_log_priority_str_to_int(str)) < 0) {
  			qdevice_log(LOG_WARNING, "logging.syslog_priority value is not valid");
  		} else {
  			syslog_priority = i;
  		}
  
  		free(str);
  	}
  
  	if (cmap_get_string(instance->cmap_handle,
  	    "logging.logger_subsys." QDEVICE_LOG_SUBSYS ".syslog_priority", &str) == CS_OK) {
  		if ((i = qdevice_log_priority_str_to_int(str)) < 0) {
  			qdevice_log(LOG_WARNING,
  			    "logging.logger_subsys." QDEVICE_LOG_SUBSYS ".syslog_priority value is not valid.");
  		} else {
  			syslog_priority = i;
  		}
  		free(str);
  	}
  
  	logfile_priority = QDEVICE_LOG_DEFAULT_SYSLOG_PRIORITY;
  	if (cmap_get_string(instance->cmap_handle, "logging.logfile_priority", &str) == CS_OK) {
  		if ((i = qdevice_log_priority_str_to_int(str)) < 0) {
  			qdevice_log(LOG_WARNING, "logging.logfile_priority value is not valid");
  		} else {
  			logfile_priority = i;
  		}
  
  		free(str);
  	}
  
  	if (cmap_get_string(instance->cmap_handle,
  	    "logging.logger_subsys." QDEVICE_LOG_SUBSYS ".logfile_priority", &str) == CS_OK) {
  		if ((i = qdevice_log_priority_str_to_int(str)) < 0) {
  			qdevice_log(LOG_WARNING,
  			    "logging.logger_subsys." QDEVICE_LOG_SUBSYS ".logfile_priority value is not valid.");
  		} else {
  			logfile_priority = i;
  		}
  		free(str);
  	}
  
  	debug = QDEVICE_LOG_DEFAULT_DEBUG;
  	if (cmap_get_string(instance->cmap_handle, "logging.debug", &str) == CS_OK) {
  		if ((i = utils_parse_bool_str(str)) == -1) {
  			if (strcasecmp(str, "trace") == 0) {
  				debug = 1;
  			} else {
  				qdevice_log(LOG_WARNING, "logging.debug value is not valid");
  			}
  		} else {
  			debug = i;
  		}
  		free(str);
  	}
  
  	if (cmap_get_string(instance->cmap_handle,
  	    "logging.logger_subsys." QDEVICE_LOG_SUBSYS ".debug", &str) == CS_OK) {
  		if ((i = utils_parse_bool_str(str)) == -1) {
  			if (strcasecmp(str, "trace") == 0) {
  				debug = 1;
  			} else {
  				qdevice_log(LOG_WARNING,
  				    "logging.logger_subsys." QDEVICE_LOG_SUBSYS ".debug value is not valid.");
  			}
  		} else {
  			debug = i;
  		}
  		free(str);
  	}
  
  	fileline = QDEVICE_LOG_DEFAULT_FILELINE;
  	if (cmap_get_string(instance->cmap_handle, "logging.fileline", &str) == CS_OK) {
  		if ((i = utils_parse_bool_str(str)) == -1) {
  			qdevice_log(LOG_WARNING, "logging.fileline value is not valid");
  		} else {
  			fileline = i;
  		}
  		free(str);
  	}
  
  	timestamp = QDEVICE_LOG_DEFAULT_TIMESTAMP;
  	if (cmap_get_string(instance->cmap_handle, "logging.timestamp", &str) == CS_OK) {
  		if ((i = utils_parse_bool_str(str)) == -1) {
  			qdevice_log(LOG_WARNING, "logging.timestamp value is not valid");
  		} else {
  			timestamp = i;
  		}
  		free(str);
  	}
  
  	function_name = QDEVICE_LOG_DEFAULT_FUNCTION_NAME;
  	if (cmap_get_string(instance->cmap_handle, "logging.function_name", &str) == CS_OK) {
  		if ((i = utils_parse_bool_str(str)) == -1) {
  			qdevice_log(LOG_WARNING, "logging.function_name value is not valid");
  		} else {
  			function_name = i;
  		}
  		free(str);
  	}
  
  	strcpy(log_format_syslog, "");
  
  	if (fileline) {
  		strcat(log_format_syslog, "%f:");
  
  		if (function_name) {
  			strcat(log_format_syslog, "%n:");
  		}
  
  		strcat(log_format_syslog, "%l ");
  	}
  
  	strcat(log_format_syslog, "%b");
  
  	strcpy(log_format_stderr, "");
  	if (timestamp) {
  		strcpy(log_format_stderr, "%t %7p ");
  	}
  	strcat(log_format_stderr, log_format_syslog);
  
  	if (qdevice_log_global_force_debug) {
  		debug = 1;
  	}
  
  	/*
  	 * Finally reconfigure log system
  	 */
  	qb_log_ctl(QB_LOG_STDERR, QB_LOG_CONF_ENABLED, to_stderr);
  	qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_ENABLED, to_syslog);
  	qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_FACILITY, syslog_facility);
  	qb_log_filter_ctl(QB_LOG_SYSLOG, QB_LOG_FILTER_CLEAR_ALL, QB_LOG_FILTER_FILE, "*", LOG_TRACE);
  	qb_log_filter_ctl(QB_LOG_SYSLOG, QB_LOG_FILTER_ADD, QB_LOG_FILTER_FILE, "*",
  	    (debug ? LOG_DEBUG : syslog_priority));
  	qb_log_filter_ctl(QB_LOG_STDERR, QB_LOG_FILTER_CLEAR_ALL, QB_LOG_FILTER_FILE, "*", LOG_TRACE);
  	qb_log_filter_ctl(QB_LOG_STDERR, QB_LOG_FILTER_ADD, QB_LOG_FILTER_FILE, "*",
  	    (debug ? LOG_DEBUG : logfile_priority));
  
  	qb_log_format_set(QB_LOG_STDERR, log_format_stderr);
  	qb_log_format_set(QB_LOG_SYSLOG, log_format_syslog);
  }
  
  void
  qdevice_log_init(struct qdevice_instance *instance, int force_debug)
  {
  	qdevice_log_global_force_debug = force_debug;
  
  	qb_log_init(QDEVICE_PROGRAM_NAME, QDEVICE_LOG_DEFAULT_SYSLOG_FACILITY,
  	    QDEVICE_LOG_DEFAULT_SYSLOG_PRIORITY);
  
  	qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_ENABLED, QB_FALSE);
  	qb_log_ctl(QB_LOG_STDOUT, QB_LOG_CONF_ENABLED, QB_FALSE);
  	qb_log_ctl(QB_LOG_BLACKBOX, QB_LOG_CONF_ENABLED, QB_FALSE);
  	qb_log_ctl(QB_LOG_STDERR, QB_LOG_CONF_ENABLED, QB_TRUE);
  
  	qb_log_filter_ctl(QB_LOG_STDERR, QB_LOG_FILTER_ADD, QB_LOG_FILTER_FILE, "*", LOG_INFO);
  	qb_log_filter_ctl(QB_LOG_SYSLOG, QB_LOG_FILTER_ADD, QB_LOG_FILTER_FILE, "*", LOG_INFO);
  	qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_PRIORITY_BUMP, LOG_INFO - LOG_DEBUG);
  	qb_log_format_set(QB_LOG_STDERR, "%t %7p %b");
  
  	qdevice_log_configure(instance);
  }
  
  void
  qdevice_log_close(struct qdevice_instance *instance)
  {
  
  	qb_log_fini();
  }
  