elliptics_storage_t::elliptics_storage_t(context_t& context,
const std::string& name,
const Json::Value& args):
category_type(context, name, args),
m_context(context),
m_log(new log_t(context, name)),
m_log_adapter(m_log, args.get("verbosity", DNET_LOG_ERROR).asUInt()),
m_node(m_log_adapter),
m_session(m_node)
{
Json::Value nodes(args["nodes"]);
if(nodes.empty() || !nodes.isObject()) {
throw configuration_error_t("no nodes has been specified");
}
Json::Value::Members node_names(nodes.getMemberNames());
for(Json::Value::Members::const_iterator it = node_names.begin();
it != node_names.end();
++it)
{
try {
m_node.add_remote(
it->c_str(),
nodes[*it].asInt()
);
} catch(const std::runtime_error& e) {
// Do nothing. Yes. Really. We only care if no remote nodes were added at all.
}
}
Json::Value groups(args["groups"]);
if(groups.empty() || !groups.isArray()) {
throw configuration_error_t("no groups has been specified");
}
std::transform(
groups.begin(),
groups.end(),
std::back_inserter(m_groups),
digitizer()
);
m_session.add_groups(m_groups);
}
elliptics_node_t::elliptics_node_t(const std::string &config)
{
Json::Reader reader;
Json::Value root;
reader.parse(config, root);
m_elog.reset(new elliptics::file_logger(root["log"].asString().c_str(), root["log-level"].asInt()));
m_node.reset(new elliptics::node(*m_elog));
m_session.reset(new elliptics::session(*m_node));
Json::Value groups(root["groups"]);
if (groups.empty() || !groups.isArray())
throw ioremap::elliptics::error(-ENOENT, "no groups has been specified");
std::vector<int> group_numbers;
std::transform(groups.begin(), groups.end(), std::back_inserter(group_numbers), json_digitizer());
m_session->set_groups(group_numbers);
if (m_session->get_groups().size() == 0)
throw ioremap::elliptics::error(-ENOENT, "elliptics_topology_t: no groups added, exiting");
Json::Value nodes(root["nodes"]);
if (nodes.empty() || !nodes.isObject())
throw ioremap::elliptics::error(-ENOENT, "no nodes has been specified");
Json::Value::Members node_names(nodes.getMemberNames());
for(Json::Value::Members::const_iterator it = node_names.begin(); it != node_names.end(); ++it) {
try {
m_node->add_remote(it->c_str(), nodes[*it].asInt());
} catch(const ioremap::elliptics::error&) {
}
}
if (m_session->state_num() == 0)
throw ioremap::elliptics::error(-ENOENT, "elliptics_topology_t: no remote nodes added, exiting");
}
void LuaContext::PushJson(const Json::Value& value)
{
if (value.isString())
{
const std::string s = value.asString();
lua_pushlstring(lua_, s.c_str(), s.size());
}
else if (value.isDouble())
{
lua_pushnumber(lua_, value.asDouble());
}
else if (value.isInt())
{
lua_pushinteger(lua_, value.asInt());
}
else if (value.isUInt())
{
lua_pushinteger(lua_, value.asUInt());
}
else if (value.isBool())
{
lua_pushboolean(lua_, value.asBool());
}
else if (value.isNull())
{
lua_pushnil(lua_);
}
else if (value.isArray())
{
lua_newtable(lua_);
// http://lua-users.org/wiki/SimpleLuaApiExample
for (Json::Value::ArrayIndex i = 0; i < value.size(); i++)
{
// Push the table index (note the "+1" because of Lua conventions)
lua_pushnumber(lua_, i + 1);
// Push the value of the cell
PushJson(value[i]);
// Stores the pair in the table
lua_rawset(lua_, -3);
}
}
else if (value.isObject())
{
lua_newtable(lua_);
Json::Value::Members members = value.getMemberNames();
for (Json::Value::Members::const_iterator
it = members.begin(); it != members.end(); ++it)
{
// Push the index of the cell
lua_pushlstring(lua_, it->c_str(), it->size());
// Push the value of the cell
PushJson(value[*it]);
// Stores the pair in the table
lua_rawset(lua_, -3);
}
}
else
{
throw OrthancException(ErrorCode_JsonToLuaTable);
}
}
