void remove_config_fromzk(lock_service& z,
const string& type, const string& name)
{
string lock_path;
build_config_lock_path(lock_path, type, name);
if(!z.exists(lock_path))
throw JUBATUS_EXCEPTION(jubatus::exception::runtime_error("node is not exists: " + lock_path));
common::lock_service_mutex zk_config_lock(z, lock_path);
int retry = 3;
while(!zk_config_lock.try_lock()){
if (retry == 0)
throw JUBATUS_EXCEPTION(jubatus::exception::runtime_error("any user is using config?"));
retry--;
sleep(1);
}
if (!is_no_workers(z, type, name))
throw JUBATUS_EXCEPTION(jubatus::exception::runtime_error("any server is running: " + type + ", " + name));
string path;
build_config_path(path, type, name);
if(!z.exists(path))
throw JUBATUS_EXCEPTION(jubatus::exception::runtime_error("config is not exists: " + path));
if (!z.remove(path))
throw JUBATUS_EXCEPTION(jubatus::exception::runtime_error("failed to remove config from zookeeper:" + path)
<< jubatus::exception::error_api_func("lock_service::remove"));
LOG(INFO) << "remove config from zookeeper: " << path;
}
void config_tozk(lock_service& z,
const string& type, const string& name,
string& config)
{
string lock_path;
build_config_lock_path(lock_path, type, name);
if(!z.exists(lock_path))
throw JUBATUS_EXCEPTION(jubatus::exception::runtime_error("node is not exists: " + lock_path));
common::lock_service_mutex zk_config_lock(z, lock_path);
int retry = 3;
while(!zk_config_lock.try_lock()){
if (retry == 0)
throw JUBATUS_EXCEPTION(jubatus::exception::runtime_error("any user is using config?"));
retry--;
sleep(1);
}
if (!is_no_workers(z, type, name))
throw JUBATUS_EXCEPTION(jubatus::exception::runtime_error("any server is running: " + type + ", " + name));
string path;
build_config_path(path, type, name);
bool success = true;
success = z.create(path) && success;
success = z.set(path, config) && success;
if (!success)
throw JUBATUS_EXCEPTION(jubatus::exception::runtime_error("failed to set config to zookeeper:" + path)
<< jubatus::exception::error_api_func("lock_service::set"));
LOG(INFO) << "set config to zookeeper: " << path;
}
void config_tozk(
lock_service& z,
const string& type,
const string& name,
string& config,
const string& config_src) {
if (config == "") {
throw JUBATUS_EXCEPTION(
jubatus::core::common::exception::runtime_error("config is empty"));
}
try {
jubatus::util::lang::lexical_cast<jubatus::util::text::json::json>(config);
} catch (jubatus::util::lang::parse_error& e) {
std::string msg =
std::string("syntax error in configuration: ") +
config_src + ":" +
jubatus::util::lang::lexical_cast<std::string>(e.lineno()) + ":" +
jubatus::util::lang::lexical_cast<std::string>(e.pos()) + " " +
e.msg();
throw JUBATUS_EXCEPTION(core::common::exception::runtime_error(msg));
}
string lock_path;
build_config_lock_path(lock_path, type, name);
if (!z.exists(lock_path)) {
throw JUBATUS_EXCEPTION(
core::common::exception::runtime_error(
"node is not exists: " + lock_path));
}
common::lock_service_mutex zk_config_lock(z, lock_path);
int retry = 3;
while (!zk_config_lock.try_lock()) {
if (retry == 0) {
throw JUBATUS_EXCEPTION(
core::common::exception::runtime_error("any user is using config?"));
}
retry--;
sleep(1);
}
if (!is_no_workers(z, type, name)) {
throw JUBATUS_EXCEPTION(jubatus::core::common::exception::runtime_error(
"any server is running: " + type + ", " + name));
}
string path;
build_config_path(path, type, name);
bool success = true;
success = z.create(path) && success;
success = z.set(path, config) && success;
if (!success) {
throw JUBATUS_EXCEPTION(jubatus::core::common::exception::runtime_error(
"failed to set config to zookeeper:" + path)
<< core::common::exception::error_api_func("lock_service::set"));
}
LOG(INFO) << "set config to zookeeper: " << path;
}
