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namespace rpc {
template <typename... Args>
RPCLIB_MSGPACK::object_handle client::call(std::string const &func_name,
Args... args) {
RPCLIB_CREATE_LOG_CHANNEL(client)
auto future = async_call(func_name, std::forward<Args>(args)...);
auto wait_result = future.wait_for(std::chrono::milliseconds(get_timeout()));
if (wait_result == std::future_status::timeout) {
throw_timeout(func_name);
}
return future.get();
}
template <typename... Args>
std::future<RPCLIB_MSGPACK::object_handle>
client::async_call(std::string const &func_name, Args... args) {
RPCLIB_CREATE_LOG_CHANNEL(client)
wait_conn();
using RPCLIB_MSGPACK::object;
LOG_DEBUG("Calling {}", func_name);
auto args_obj = std::make_tuple(args...);
const int idx = get_next_call_idx();
auto call_obj =
std::make_tuple(static_cast<uint8_t>(client::request_type::call), idx,
func_name, args_obj);
auto buffer = std::make_shared<RPCLIB_MSGPACK::sbuffer>();
RPCLIB_MSGPACK::pack(*buffer, call_obj);
// TODO: Change to move semantics when asio starts supporting move-only
// handlers in post(). [sztomi, 2016-02-14]
auto p = std::make_shared<std::promise<RPCLIB_MSGPACK::object_handle>>();
auto ft = p->get_future();
post(buffer, idx, func_name, p);
return ft;
}
//! \brief Sends a notification with the given name and arguments (if any).
//! \param func_name The name of the notification to call.
//! \param args The arguments to pass to the function.
//! \note This function returns when the notification is written to the
//! socket.
//! \tparam Args THe types of the arguments.
template <typename... Args>
void client::send(std::string const &func_name, Args... args) {
RPCLIB_CREATE_LOG_CHANNEL(client)
LOG_DEBUG("Sending notification {}", func_name);
auto args_obj = std::make_tuple(args...);
auto call_obj = std::make_tuple(
static_cast<uint8_t>(client::request_type::notification), func_name,
args_obj);
auto buffer = new RPCLIB_MSGPACK::sbuffer;
RPCLIB_MSGPACK::pack(*buffer, call_obj);
post(buffer);
}
}
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