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/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* 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 3 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 "uhub.h"
#ifndef INT_MAX
#define INT_MAX 0x7fffffff
#endif
#ifndef INT_MIN
#define INT_MIN (-0x7fffffff - 1)
#endif
static int apply_boolean(const char* key, const char* data, int* target)
{
if (strlen(data) == 1 && (data[0] == '1')) *target = 1;
else if (strlen(data) == 1 && (data[0] == '0')) *target = 0;
else if (strncasecmp(data, "true", 4) == 0) *target = 1;
else if (strncasecmp(data, "false", 5) == 0) *target = 0;
else if (strncasecmp(data, "yes", 3) == 0) *target = 1;
else if (strncasecmp(data, "no", 2) == 0) *target = 0;
else if (strncasecmp(data, "on", 2) == 0) *target = 1;
else if (strncasecmp(data, "off", 3) == 0) *target = 0;
else
return 0;
return 1;
}
static int apply_string(const char* key, const char* data, char** target, char* regexp)
{
(void) regexp;
// FIXME: Add regexp checks for correct data
if (*target)
hub_free(*target);
*target = hub_strdup(data);
return 1;
}
static int apply_integer(const char* key, const char* data, int* target, int* min, int* max)
{
char* endptr;
int val;
errno = 0;
val = strtol(data, &endptr, 10);
if (((errno == ERANGE && (val == INT_MAX || val == INT_MIN)) || (errno != 0 && val == 0)) || endptr == data)
return 0;
if (min && val < *min)
return 0;
if (max && val > *max)
return 0;
*target = val;
return 1;
}
#include "gen_config.c"
static int config_parse_line(char* line, int line_count, void* ptr_data)
{
char* pos;
char* key;
char* data;
struct hub_config* config = (struct hub_config*) ptr_data;
strip_off_ini_line_comments(line, line_count);
if (!*line) return 0;
LOG_DUMP("config_parse_line(): '%s'", line);
if (!is_valid_utf8(line))
{
LOG_WARN("Invalid utf-8 characters on line %d", line_count);
}
if ((pos = strchr(line, '=')) != NULL)
{
pos[0] = 0;
}
else
{
return 0;
}
key = line;
data = &pos[1];
key = strip_white_space(key);
data = strip_white_space(data);
if (!*key || !*data)
{
LOG_FATAL("Configuration parse error on line %d", line_count);
return -1;
}
LOG_DUMP("config_parse_line: '%s' => '%s'", key, data);
return apply_config(config, key, data, line_count);
}
int read_config(const char* file, struct hub_config* config, int allow_missing)
{
int ret;
memset(config, 0, sizeof(struct hub_config));
config_defaults(config);
ret = file_read_lines(file, config, &config_parse_line);
if (ret < 0)
{
if (allow_missing && ret == -2)
{
LOG_DUMP("Using default configuration.");
}
else
{
return -1;
}
}
return 0;
}
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