Viewing file:  appconfig.c (28.8 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
// SPDX-License-Identifier: GPL-3.0-or-later
#include "../libnetdata.h"
/*
* @Input:
* Connector / instance to add to an internal structure
* @Return
* The current head of the linked list of connector_instance
*
*/
_CONNECTOR_INSTANCE *add_connector_instance(struct section *connector, struct section *instance)
{
static struct _connector_instance *global_connector_instance = NULL;
struct _connector_instance *local_ci, *local_ci_tmp;
if (unlikely(!connector)) {
if (unlikely(!instance))
return global_connector_instance;
local_ci = global_connector_instance;
while (local_ci) {
local_ci_tmp = local_ci->next;
freez(local_ci);
local_ci = local_ci_tmp;
}
global_connector_instance = NULL;
return NULL;
}
local_ci = callocz(1, sizeof(struct _connector_instance));
local_ci->instance = instance;
local_ci->connector = connector;
strncpy(local_ci->instance_name, instance->name, CONFIG_MAX_NAME);
strncpy(local_ci->connector_name, connector->name, CONFIG_MAX_NAME);
local_ci->next = global_connector_instance;
global_connector_instance = local_ci;
return global_connector_instance;
}
int is_valid_connector(char *type, int check_reserved)
{
int rc = 1;
if (unlikely(!type))
return 0;
if (!check_reserved) {
if (unlikely(is_valid_connector(type,1))) {
return 0;
}
//if (unlikely(*type == ':')
// return 0;
char *separator = strrchr(type, ':');
if (likely(separator)) {
*separator = '\0';
rc = separator - type;
} else
return 0;
}
// else {
// if (unlikely(is_valid_connector(type,1))) {
// error("Section %s invalid -- reserved name", type);
// return 0;
// }
// }
if (!strcmp(type, "graphite") || !strcmp(type, "graphite:plaintext")) {
return rc;
} else if (!strcmp(type, "graphite:http") || !strcmp(type, "graphite:https")) {
return rc;
} else if (!strcmp(type, "json") || !strcmp(type, "json:plaintext")) {
return rc;
} else if (!strcmp(type, "json:http") || !strcmp(type, "json:https")) {
return rc;
} else if (!strcmp(type, "opentsdb") || !strcmp(type, "opentsdb:telnet")) {
return rc;
} else if (!strcmp(type, "opentsdb:http") || !strcmp(type, "opentsdb:https")) {
return rc;
} else if (!strcmp(type, "prometheus_remote_write")) {
return rc;
} else if (!strcmp(type, "prometheus_remote_write:http") || !strcmp(type, "prometheus_remote_write:https")) {
return rc;
} else if (!strcmp(type, "kinesis") || !strcmp(type, "kinesis:plaintext")) {
return rc;
} else if (!strcmp(type, "pubsub") || !strcmp(type, "pubsub:plaintext")) {
return rc;
} else if (!strcmp(type, "mongodb") || !strcmp(type, "mongodb:plaintext")) {
return rc;
}
return 0;
}
// ----------------------------------------------------------------------------
// locking
inline void appconfig_wrlock(struct config *root) {
netdata_mutex_lock(&root->mutex);
}
inline void appconfig_unlock(struct config *root) {
netdata_mutex_unlock(&root->mutex);
}
inline void config_section_wrlock(struct section *co) {
netdata_mutex_lock(&co->mutex);
}
inline void config_section_unlock(struct section *co) {
netdata_mutex_unlock(&co->mutex);
}
// ----------------------------------------------------------------------------
// config name-value index
static int appconfig_option_compare(void *a, void *b) {
if(((struct config_option *)a)->hash < ((struct config_option *)b)->hash) return -1;
else if(((struct config_option *)a)->hash > ((struct config_option *)b)->hash) return 1;
else return strcmp(((struct config_option *)a)->name, ((struct config_option *)b)->name);
}
#define appconfig_option_index_add(co, cv) (struct config_option *)avl_insert_lock(&((co)->values_index), (avl_t *)(cv))
#define appconfig_option_index_del(co, cv) (struct config_option *)avl_remove_lock(&((co)->values_index), (avl_t *)(cv))
static struct config_option *appconfig_option_index_find(struct section *co, const char *name, uint32_t hash) {
struct config_option tmp;
tmp.hash = (hash)?hash:simple_hash(name);
tmp.name = (char *)name;
return (struct config_option *)avl_search_lock(&(co->values_index), (avl_t *) &tmp);
}
// ----------------------------------------------------------------------------
// config sections index
int appconfig_section_compare(void *a, void *b) {
if(((struct section *)a)->hash < ((struct section *)b)->hash) return -1;
else if(((struct section *)a)->hash > ((struct section *)b)->hash) return 1;
else return strcmp(((struct section *)a)->name, ((struct section *)b)->name);
}
#define appconfig_index_add(root, cfg) (struct section *)avl_insert_lock(&(root)->index, (avl_t *)(cfg))
#define appconfig_index_del(root, cfg) (struct section *)avl_remove_lock(&(root)->index, (avl_t *)(cfg))
static struct section *appconfig_index_find(struct config *root, const char *name, uint32_t hash) {
struct section tmp;
tmp.hash = (hash)?hash:simple_hash(name);
tmp.name = (char *)name;
return (struct section *)avl_search_lock(&root->index, (avl_t *) &tmp);
}
// ----------------------------------------------------------------------------
// config section methods
static inline struct section *appconfig_section_find(struct config *root, const char *section) {
return appconfig_index_find(root, section, 0);
}
static inline struct section *appconfig_section_create(struct config *root, const char *section) {
debug(D_CONFIG, "Creating section '%s'.", section);
struct section *co = callocz(1, sizeof(struct section));
co->name = strdupz(section);
co->hash = simple_hash(co->name);
netdata_mutex_init(&co->mutex);
avl_init_lock(&co->values_index, appconfig_option_compare);
if(unlikely(appconfig_index_add(root, co) != co))
error("INTERNAL ERROR: indexing of section '%s', already exists.", co->name);
appconfig_wrlock(root);
struct section *co2 = root->last_section;
if(co2) {
co2->next = co;
} else {
root->first_section = co;
}
root->last_section = co;
appconfig_unlock(root);
return co;
}
void appconfig_section_destroy_non_loaded(struct config *root, const char *section)
{
struct section *co;
struct config_option *cv, *cv_next;
debug(D_CONFIG, "Destroying section '%s'.", section);
co = appconfig_section_find(root, section);
if(!co) {
error("Could not destroy section '%s'. Not found.", section);
return;
}
config_section_wrlock(co);
for(cv = co->values; cv ; cv = cv->next) {
if (cv->flags & CONFIG_VALUE_LOADED) {
/* Do not destroy values that were loaded from the configuration files. */
config_section_unlock(co);
return;
}
}
for(cv = co->values ; cv ; cv = cv_next) {
cv_next = cv->next;
if(unlikely(!appconfig_option_index_del(co, cv)))
error("Cannot remove config option '%s' from section '%s'.", cv->name, co->name);
freez(cv->value);
freez(cv->name);
freez(cv);
}
co->values = NULL;
config_section_unlock(co);
if (unlikely(!appconfig_index_del(root, co))) {
error("Cannot remove section '%s' from config.", section);
return;
}
appconfig_wrlock(root);
if (root->first_section == co) {
root->first_section = co->next;
if (root->last_section == co)
root->last_section = root->first_section;
} else {
struct section *co_cur = root->first_section, *co_prev = NULL;
while(co_cur && co_cur != co) {
co_prev = co_cur;
co_cur = co_cur->next;
}
if (co_cur) {
co_prev->next = co_cur->next;
if (root->last_section == co_cur)
root->last_section = co_prev;
}
}
appconfig_unlock(root);
avl_destroy_lock(&co->values_index);
freez(co->name);
pthread_mutex_destroy(&co->mutex);
freez(co);
}
// ----------------------------------------------------------------------------
// config name-value methods
static inline struct config_option *appconfig_value_create(struct section *co, const char *name, const char *value) {
debug(D_CONFIG, "Creating config entry for name '%s', value '%s', in section '%s'.", name, value, co->name);
struct config_option *cv = callocz(1, sizeof(struct config_option));
cv->name = strdupz(name);
cv->hash = simple_hash(cv->name);
cv->value = strdupz(value);
struct config_option *found = appconfig_option_index_add(co, cv);
if(found != cv) {
error("indexing of config '%s' in section '%s': already exists - using the existing one.", cv->name, co->name);
freez(cv->value);
freez(cv->name);
freez(cv);
return found;
}
config_section_wrlock(co);
struct config_option *cv2 = co->values;
if(cv2) {
while (cv2->next) cv2 = cv2->next;
cv2->next = cv;
}
else co->values = cv;
config_section_unlock(co);
return cv;
}
int appconfig_exists(struct config *root, const char *section, const char *name) {
struct config_option *cv;
debug(D_CONFIG, "request to get config in section '%s', name '%s'", section, name);
struct section *co = appconfig_section_find(root, section);
if(!co) return 0;
cv = appconfig_option_index_find(co, name, 0);
if(!cv) return 0;
return 1;
}
int appconfig_move(struct config *root, const char *section_old, const char *name_old, const char *section_new, const char *name_new) {
struct config_option *cv_old, *cv_new;
int ret = -1;
debug(D_CONFIG, "request to rename config in section '%s', old name '%s', to section '%s', new name '%s'", section_old, name_old, section_new, name_new);
struct section *co_old = appconfig_section_find(root, section_old);
if(!co_old) return ret;
struct section *co_new = appconfig_section_find(root, section_new);
if(!co_new) co_new = appconfig_section_create(root, section_new);
config_section_wrlock(co_old);
if(co_old != co_new)
config_section_wrlock(co_new);
cv_old = appconfig_option_index_find(co_old, name_old, 0);
if(!cv_old) goto cleanup;
cv_new = appconfig_option_index_find(co_new, name_new, 0);
if(cv_new) goto cleanup;
if(unlikely(appconfig_option_index_del(co_old, cv_old) != cv_old))
error("INTERNAL ERROR: deletion of config '%s' from section '%s', deleted the wrong config entry.", cv_old->name, co_old->name);
if(co_old->values == cv_old) {
co_old->values = cv_old->next;
}
else {
struct config_option *t;
for(t = co_old->values; t && t->next != cv_old ;t = t->next) ;
if(!t || t->next != cv_old)
error("INTERNAL ERROR: cannot find variable '%s' in section '%s' of the config - but it should be there.", cv_old->name, co_old->name);
else
t->next = cv_old->next;
}
freez(cv_old->name);
cv_old->name = strdupz(name_new);
cv_old->hash = simple_hash(cv_old->name);
cv_new = cv_old;
cv_new->next = co_new->values;
co_new->values = cv_new;
if(unlikely(appconfig_option_index_add(co_new, cv_old) != cv_old))
error("INTERNAL ERROR: re-indexing of config '%s' in section '%s', already exists.", cv_old->name, co_new->name);
ret = 0;
cleanup:
if(co_old != co_new)
config_section_unlock(co_new);
config_section_unlock(co_old);
return ret;
}
char *appconfig_get_by_section(struct section *co, const char *name, const char *default_value)
{
struct config_option *cv;
// Only calls internal to this file check for a NULL result and they do not supply a NULL arg.
// External caller should treat NULL as an error case.
cv = appconfig_option_index_find(co, name, 0);
if (!cv) {
if (!default_value) return NULL;
cv = appconfig_value_create(co, name, default_value);
if (!cv) return NULL;
}
cv->flags |= CONFIG_VALUE_USED;
if((cv->flags & CONFIG_VALUE_LOADED) || (cv->flags & CONFIG_VALUE_CHANGED)) {
// this is a loaded value from the config file
// if it is different than the default, mark it
if(!(cv->flags & CONFIG_VALUE_CHECKED)) {
if(default_value && strcmp(cv->value, default_value) != 0) cv->flags |= CONFIG_VALUE_CHANGED;
cv->flags |= CONFIG_VALUE_CHECKED;
}
}
return(cv->value);
}
char *appconfig_get(struct config *root, const char *section, const char *name, const char *default_value)
{
if (default_value == NULL)
debug(D_CONFIG, "request to get config in section '%s', name '%s' or fail", section, name);
else
debug(D_CONFIG, "request to get config in section '%s', name '%s', default_value '%s'", section, name, default_value);
struct section *co = appconfig_section_find(root, section);
if (!co && !default_value)
return NULL;
if(!co) co = appconfig_section_create(root, section);
return appconfig_get_by_section(co, name, default_value);
}
long long appconfig_get_number(struct config *root, const char *section, const char *name, long long value)
{
char buffer[100], *s;
sprintf(buffer, "%lld", value);
s = appconfig_get(root, section, name, buffer);
if(!s) return value;
return strtoll(s, NULL, 0);
}
LONG_DOUBLE appconfig_get_float(struct config *root, const char *section, const char *name, LONG_DOUBLE value)
{
char buffer[100], *s;
sprintf(buffer, "%0.5" LONG_DOUBLE_MODIFIER, value);
s = appconfig_get(root, section, name, buffer);
if(!s) return value;
return str2ld(s, NULL);
}
static inline int appconfig_test_boolean_value(char *s) {
if(!strcasecmp(s, "yes") || !strcasecmp(s, "true") || !strcasecmp(s, "on")
|| !strcasecmp(s, "auto") || !strcasecmp(s, "on demand"))
return 1;
return 0;
}
int appconfig_get_boolean_by_section(struct section *co, const char *name, int value) {
char *s;
s = appconfig_get_by_section(co, name, (!value)?"no":"yes");
if(!s) return value;
return appconfig_test_boolean_value(s);
}
int appconfig_get_boolean(struct config *root, const char *section, const char *name, int value)
{
char *s;
if(value) s = "yes";
else s = "no";
s = appconfig_get(root, section, name, s);
if(!s) return value;
return appconfig_test_boolean_value(s);
}
int appconfig_get_boolean_ondemand(struct config *root, const char *section, const char *name, int value)
{
char *s;
if(value == CONFIG_BOOLEAN_AUTO)
s = "auto";
else if(value == CONFIG_BOOLEAN_NO)
s = "no";
else
s = "yes";
s = appconfig_get(root, section, name, s);
if(!s) return value;
if(!strcmp(s, "yes"))
return CONFIG_BOOLEAN_YES;
else if(!strcmp(s, "no"))
return CONFIG_BOOLEAN_NO;
else if(!strcmp(s, "auto") || !strcmp(s, "on demand"))
return CONFIG_BOOLEAN_AUTO;
return value;
}
const char *appconfig_set_default(struct config *root, const char *section, const char *name, const char *value)
{
struct config_option *cv;
debug(D_CONFIG, "request to set default config in section '%s', name '%s', value '%s'", section, name, value);
struct section *co = appconfig_section_find(root, section);
if(!co) return appconfig_set(root, section, name, value);
cv = appconfig_option_index_find(co, name, 0);
if(!cv) return appconfig_set(root, section, name, value);
cv->flags |= CONFIG_VALUE_USED;
if(cv->flags & CONFIG_VALUE_LOADED)
return cv->value;
if(strcmp(cv->value, value) != 0) {
cv->flags |= CONFIG_VALUE_CHANGED;
freez(cv->value);
cv->value = strdupz(value);
}
return cv->value;
}
const char *appconfig_set(struct config *root, const char *section, const char *name, const char *value)
{
struct config_option *cv;
debug(D_CONFIG, "request to set config in section '%s', name '%s', value '%s'", section, name, value);
struct section *co = appconfig_section_find(root, section);
if(!co) co = appconfig_section_create(root, section);
cv = appconfig_option_index_find(co, name, 0);
if(!cv) cv = appconfig_value_create(co, name, value);
cv->flags |= CONFIG_VALUE_USED;
if(strcmp(cv->value, value) != 0) {
cv->flags |= CONFIG_VALUE_CHANGED;
freez(cv->value);
cv->value = strdupz(value);
}
return value;
}
long long appconfig_set_number(struct config *root, const char *section, const char *name, long long value)
{
char buffer[100];
sprintf(buffer, "%lld", value);
appconfig_set(root, section, name, buffer);
return value;
}
LONG_DOUBLE appconfig_set_float(struct config *root, const char *section, const char *name, LONG_DOUBLE value)
{
char buffer[100];
sprintf(buffer, "%0.5" LONG_DOUBLE_MODIFIER, value);
appconfig_set(root, section, name, buffer);
return value;
}
int appconfig_set_boolean(struct config *root, const char *section, const char *name, int value)
{
char *s;
if(value) s = "yes";
else s = "no";
appconfig_set(root, section, name, s);
return value;
}
int appconfig_get_duration(struct config *root, const char *section, const char *name, const char *value)
{
int result = 0;
const char *s;
s = appconfig_get(root, section, name, value);
if(!s) goto fallback;
if(!config_parse_duration(s, &result)) {
error("config option '[%s].%s = %s' is configured with an valid duration", section, name, s);
goto fallback;
}
return result;
fallback:
if(!config_parse_duration(value, &result))
error("INTERNAL ERROR: default duration supplied for option '[%s].%s = %s' is not a valid duration", section, name, value);
return result;
}
// ----------------------------------------------------------------------------
// config load/save
int appconfig_load(struct config *root, char *filename, int overwrite_used, const char *section_name)
{
int line = 0;
struct section *co = NULL;
int is_exporter_config = 0;
int _backends = 0; // number of backend sections we have
char working_instance[CONFIG_MAX_NAME + 1];
char working_connector[CONFIG_MAX_NAME + 1];
struct section *working_connector_section = NULL;
int global_exporting_section = 0;
char buffer[CONFIG_FILE_LINE_MAX + 1], *s;
if(!filename) filename = CONFIG_DIR "/" CONFIG_FILENAME;
debug(D_CONFIG, "CONFIG: opening config file '%s'", filename);
FILE *fp = fopen(filename, "r");
if(!fp) {
// info("CONFIG: cannot open file '%s'. Using internal defaults.", filename);
return 0;
}
uint32_t section_hash = 0;
if(section_name) {
section_hash = simple_hash(section_name);
}
is_exporter_config = (strstr(filename, EXPORTING_CONF) != NULL);
while(fgets(buffer, CONFIG_FILE_LINE_MAX, fp) != NULL) {
buffer[CONFIG_FILE_LINE_MAX] = '\0';
line++;
s = trim(buffer);
if(!s || *s == '#') {
debug(D_CONFIG, "CONFIG: ignoring line %d of file '%s', it is empty.", line, filename);
continue;
}
int len = (int) strlen(s);
if(*s == '[' && s[len - 1] == ']') {
// new section
s[len - 1] = '\0';
s++;
if (is_exporter_config) {
global_exporting_section =
!(strcmp(s, CONFIG_SECTION_EXPORTING)) || !(strcmp(s, CONFIG_SECTION_PROMETHEUS));
if (unlikely(!global_exporting_section)) {
int rc;
rc = is_valid_connector(s, 0);
if (likely(rc)) {
strncpy(working_connector, s, CONFIG_MAX_NAME);
s = s + rc + 1;
if (unlikely(!(*s))) {
_backends++;
sprintf(buffer, "instance_%d", _backends);
s = buffer;
}
strncpy(working_instance, s, CONFIG_MAX_NAME);
working_connector_section = NULL;
if (unlikely(appconfig_section_find(root, working_instance))) {
error("Instance (%s) already exists", working_instance);
co = NULL;
continue;
}
} else {
co = NULL;
error("Section (%s) does not specify a valid connector", s);
continue;
}
}
}
co = appconfig_section_find(root, s);
if(!co) co = appconfig_section_create(root, s);
if(co && section_name && overwrite_used && section_hash == co->hash && !strcmp(section_name, co->name)) {
config_section_wrlock(co);
struct config_option *cv2 = co->values;
while (cv2) {
struct config_option *save = cv2->next;
struct config_option *found = appconfig_option_index_del(co, cv2);
if(found != cv2)
error("INTERNAL ERROR: Cannot remove '%s' from section '%s', it was not inserted before.",
cv2->name, co->name);
freez(cv2->name);
freez(cv2->value);
freez(cv2);
cv2 = save;
}
co->values = NULL;
config_section_unlock(co);
}
continue;
}
if(!co) {
// line outside a section
error("CONFIG: ignoring line %d ('%s') of file '%s', it is outside all sections.", line, s, filename);
continue;
}
if(section_name && overwrite_used && section_hash != co->hash && strcmp(section_name, co->name)) {
continue;
}
char *name = s;
char *value = strchr(s, '=');
if(!value) {
error("CONFIG: ignoring line %d ('%s') of file '%s', there is no = in it.", line, s, filename);
continue;
}
*value = '\0';
value++;
name = trim(name);
value = trim(value);
if(!name || *name == '#') {
error("CONFIG: ignoring line %d of file '%s', name is empty.", line, filename);
continue;
}
if(!value) value = "";
struct config_option *cv = appconfig_option_index_find(co, name, 0);
if (!cv) {
cv = appconfig_value_create(co, name, value);
if (likely(is_exporter_config) && unlikely(!global_exporting_section)) {
if (unlikely(!working_connector_section)) {
working_connector_section = appconfig_section_find(root, working_connector);
if (!working_connector_section)
working_connector_section = appconfig_section_create(root, working_connector);
if (likely(working_connector_section)) {
add_connector_instance(working_connector_section, co);
}
}
}
} else {
if (((cv->flags & CONFIG_VALUE_USED) && overwrite_used) || !(cv->flags & CONFIG_VALUE_USED)) {
debug(
D_CONFIG, "CONFIG: line %d of file '%s', overwriting '%s/%s'.", line, filename, co->name, cv->name);
freez(cv->value);
cv->value = strdupz(value);
} else
debug(
D_CONFIG,
"CONFIG: ignoring line %d of file '%s', '%s/%s' is already present and used.",
line,
filename,
co->name,
cv->name);
}
cv->flags |= CONFIG_VALUE_LOADED;
}
fclose(fp);
return 1;
}
void appconfig_generate(struct config *root, BUFFER *wb, int only_changed)
{
int i, pri;
struct section *co;
struct config_option *cv;
for(i = 0; i < 3 ;i++) {
switch(i) {
case 0:
buffer_strcat(wb,
"# netdata configuration\n"
"#\n"
"# You can download the latest version of this file, using:\n"
"#\n"
"# wget -O /etc/netdata/netdata.conf http://localhost:19999/netdata.conf\n"
"# or\n"
"# curl -o /etc/netdata/netdata.conf http://localhost:19999/netdata.conf\n"
"#\n"
"# You can uncomment and change any of the options below.\n"
"# The value shown in the commented settings, is the default value.\n"
"#\n"
"\n# global netdata configuration\n");
break;
case 1:
buffer_strcat(wb, "\n\n# per plugin configuration\n");
break;
case 2:
buffer_strcat(wb, "\n\n# per chart configuration\n");
break;
}
appconfig_wrlock(root);
for(co = root->first_section; co ; co = co->next) {
if(!strcmp(co->name, CONFIG_SECTION_GLOBAL)
|| !strcmp(co->name, CONFIG_SECTION_WEB)
|| !strcmp(co->name, CONFIG_SECTION_STATSD)
|| !strcmp(co->name, CONFIG_SECTION_PLUGINS)
|| !strcmp(co->name, CONFIG_SECTION_CLOUD)
|| !strcmp(co->name, CONFIG_SECTION_REGISTRY)
|| !strcmp(co->name, CONFIG_SECTION_HEALTH)
|| !strcmp(co->name, CONFIG_SECTION_BACKEND)
|| !strcmp(co->name, CONFIG_SECTION_STREAM)
|| !strcmp(co->name, CONFIG_SECTION_HOST_LABEL)
|| !strcmp(co->name, CONFIG_SECTION_ML)
)
pri = 0;
else if(!strncmp(co->name, "plugin:", 7)) pri = 1;
else pri = 2;
if(i == pri) {
int loaded = 0;
int used = 0;
int changed = 0;
int count = 0;
config_section_wrlock(co);
for(cv = co->values; cv ; cv = cv->next) {
used += (cv->flags & CONFIG_VALUE_USED)?1:0;
loaded += (cv->flags & CONFIG_VALUE_LOADED)?1:0;
changed += (cv->flags & CONFIG_VALUE_CHANGED)?1:0;
count++;
}
config_section_unlock(co);
if(!count) continue;
if(only_changed && !changed && !loaded) continue;
if(!used) {
buffer_sprintf(wb, "\n# section '%s' is not used.", co->name);
}
buffer_sprintf(wb, "\n[%s]\n", co->name);
config_section_wrlock(co);
for(cv = co->values; cv ; cv = cv->next) {
if(used && !(cv->flags & CONFIG_VALUE_USED)) {
buffer_sprintf(wb, "\n\t# option '%s' is not used.\n", cv->name);
}
buffer_sprintf(wb, "\t%s%s = %s\n", ((!(cv->flags & CONFIG_VALUE_LOADED)) && (!(cv->flags & CONFIG_VALUE_CHANGED)) && (cv->flags & CONFIG_VALUE_USED))?"# ":"", cv->name, cv->value);
}
config_section_unlock(co);
}
}
appconfig_unlock(root);
}
}
/**
* Parse Duration
*
* Parse the string setting the result
*
* @param string the timestamp string
* @param result the output variable
*
* @return It returns 1 on success and 0 otherwise
*/
int config_parse_duration(const char* string, int* result) {
while(*string && isspace(*string)) string++;
if(unlikely(!*string)) goto fallback;
if(*string == 'n' && !strcmp(string, "never")) {
// this is a valid option
*result = 0;
return 1;
}
// make sure it is a number
if(!(isdigit(*string) || *string == '+' || *string == '-')) goto fallback;
char *e = NULL;
calculated_number n = str2ld(string, &e);
if(e && *e) {
switch (*e) {
case 'Y':
*result = (int) (n * 31536000);
break;
case 'M':
*result = (int) (n * 2592000);
break;
case 'w':
*result = (int) (n * 604800);
break;
case 'd':
*result = (int) (n * 86400);
break;
case 'h':
*result = (int) (n * 3600);
break;
case 'm':
*result = (int) (n * 60);
break;
case 's':
default:
*result = (int) (n);
break;
}
}
else
*result = (int)(n);
return 1;
fallback:
*result = 0;
return 0;
}
struct section *appconfig_get_section(struct config *root, const char *name)
{
return appconfig_section_find(root, name);
}
|