extern "C" struct dnet_node *dnet_parse_config(const char *file, int mon)
{
dnet_node *node = NULL;
config_data *data = NULL;
try {
data = static_cast<config_data *>(dnet_config_data_create());
if (!data)
throw std::bad_alloc();
data->config_path = file;
auto parser = data->parse_config();
const config root = parser->root();
const config logger = root.at("logger");
const config options = root.at("options");
const config backends = root.at("backends");
parse_logger(data, logger);
parse_options(data, options);
parse_backends(data, backends);
if (data->daemon_mode && !mon)
dnet_background();
if (!data->cfg_addr_num)
throw config_error("no local address specified, exiting");
node = dnet_server_node_create(data);
if (!node)
throw config_error("failed to create node");
static_assert(sizeof(dnet_addr) == sizeof(address), "Size of dnet_addr and size of address must be equal");
if (data->remotes.size() != 0) {
int err = dnet_add_state(node, reinterpret_cast<const dnet_addr *>(data->remotes.data()), data->remotes.size(), 0);
if (err < 0)
BH_LOG(*node->log, DNET_LOG_WARNING, "Failed to connect to remote nodes: %d", err);
}
} catch (std::exception &exc) {
if (data && data->cfg_state.log) {
dnet_backend_log(data->cfg_state.log, DNET_LOG_ERROR,
"cnf: failed to read config file '%s': %s", file, exc.what());
} else {
fprintf(stderr, "cnf: %s\n", exc.what());
fflush(stderr);
}
if (node)
dnet_server_node_destroy(node);
else if (data)
dnet_config_data_destroy(data);
return NULL;
}
return node;
}
static gboolean
do_configure(Log4gConfigurator *base, const char *uri,
G_GNUC_UNUSED Log4gLoggerRepository *repository, GError **error)
{
struct Private *priv = GET_PRIVATE(base);
gboolean status = TRUE;
GString *string = g_string_sized_new(128);
if (!string) {
g_set_error(error, LOG4G_ERROR, LOG4G_ERROR_FAILURE,
Q_("g_string_new() returned NULL"));
return FALSE;
}
xmlSetGenericErrorFunc(string, error_handler);
gint options =
XML_PARSE_NOWARNING | XML_PARSE_NOERROR | XML_PARSE_NOBLANKS;
if (g_getenv("LOG4G_PARSE_DTDVALID")) {
options |= XML_PARSE_DTDVALID;
}
/* read XML file */
xmlDocPtr doc = xmlCtxtReadFile(priv->ctx, uri, NULL, options);
if (!doc) {
g_set_error(error, LOG4G_ERROR, LOG4G_ERROR_FAILURE,
Q_("failed to parse configuration"));
status = FALSE;
goto exit;
}
/* check root element */
xmlNodePtr node = xmlDocGetRootElement(doc);
if (!node) {
g_set_error(error, LOG4G_ERROR, LOG4G_ERROR_FAILURE,
Q_("invalid document: document is empty"));
status = FALSE;
goto exit;
}
if (xmlStrcmp(node->name, (const xmlChar *)"configuration")) {
g_set_error(error, LOG4G_ERROR, LOG4G_ERROR_FAILURE,
Q_("%s: invalid root element (expected "
"log4g:configuration)"),
node->name);
status = FALSE;
goto exit;
}
/* parse root attributes */
xmlChar *att = xmlGetProp(node, (const xmlChar *)"debug");
if (att) {
if (!xmlStrcmp(att, (const xmlChar *)"true")) {
log4g_set_internal_debugging(TRUE);
} else if (!xmlStrcmp(att, (const xmlChar *)"false")) {
log4g_set_internal_debugging(FALSE);
} else if (!xmlStrcmp(att, (const xmlChar *)"null")) {
log4g_log_warn(Q_("%s: ignoring `debug' attribute"),
att);
} else {
log4g_log_error(Q_("%s: invalid value for attribute "
"`debug'"), att);
}
xmlFree(att);
}
att = xmlGetProp(node, (const xmlChar *)"reset");
if (att) {
if (!xmlStrcmp(att, (const xmlChar *)"true")) {
log4g_log_manager_reset_configuration();
}
xmlFree(att);
}
att = xmlGetProp(node, (const xmlChar *)"threshold");
if (att) {
Log4gLevel *level;
Log4gLoggerRepository *repository =
log4g_log_manager_get_logger_repository();
if (!xmlStrcmp(att, (const xmlChar *)"all")) {
level = log4g_level_ALL();
} else if (!xmlStrcmp(att, (const xmlChar *)"trace")) {
level = log4g_level_TRACE();
} else if (!xmlStrcmp(att, (const xmlChar *)"debug")) {
level = log4g_level_DEBUG();
} else if (!xmlStrcmp(att, (const xmlChar *)"info")) {
level = log4g_level_INFO();
} else if (!xmlStrcmp(att, (const xmlChar *)"warn")) {
level = log4g_level_WARN();
} else if (!xmlStrcmp(att, (const xmlChar *)"error")) {
level = log4g_level_ERROR();
} else if (!xmlStrcmp(att, (const xmlChar *)"fatal")) {
level = log4g_level_FATAL();
} else if (!xmlStrcmp(att, (const xmlChar *)"off")) {
level = log4g_level_OFF();
} else if (!xmlStrcmp(att, (const xmlChar *)"null")) {
level = NULL;
} else {
log4g_log_error(Q_("%s: invalid repository threshold"), att);
level = NULL;
}
if (level) {
log4g_logger_repository_set_threshold(repository,
level);
}
xmlFree(att);
}
/* parse document */
node = node->xmlChildrenNode;
while (node) {
if (!xmlStrcmp(node->name, (const xmlChar *)"appender")) {
Log4gAppender *appender = parse_appender(base, node);
if (appender) {
g_object_unref(appender);
}
} else if (!xmlStrcmp(node->name, (const xmlChar *)"logger")) {
parse_logger(base, node);
} else if (!xmlStrcmp(node->name, (const xmlChar *)"root")) {
parse_root(base, node);
} else if (!xmlStrcmp(node->name, (const xmlChar *)"object")) {
parse_object(base, node);
} else if (!xmlStrcmp(node->name, (const xmlChar *)"text")) {
log4g_log_warn(Q_("invalid text element"));
} else if (!xmlStrcmp(node->name, (const xmlChar *)"comment")) {
/* do nothing */
} else {
log4g_log_warn(Q_("%s: invalid element"), node->name);
}
node = node->next;
}
exit:
if (string) {
g_string_free(string, TRUE);
}
if (doc) {
xmlFreeDoc(doc);
}
return status;
}