static message_id apply(message_id x) {
CAF_IGNORE_UNUSED(x);
auto result = make_message_id(message_id::upstream_message_category
<< message_id::category_offset);
CAF_ASSERT(x.is_async() || x == result);
return result;
}
void logger::init(actor_system_config& cfg) {
CAF_IGNORE_UNUSED(cfg);
#if CAF_LOG_LEVEL >= 0
namespace lg = defaults::logger;
component_filter = get_or(cfg, "logger.component-filter",
lg::component_filter);
// Parse the configured log level.
auto verbosity = get_or(cfg, "logger.verbosity", lg::verbosity);
switch (static_cast<uint64_t>(verbosity)) {
case atom_uint("quiet"):
case atom_uint("QUIET"):
level_ = CAF_LOG_LEVEL_QUIET;
break;
case atom_uint("error"):
case atom_uint("ERROR"):
level_ = CAF_LOG_LEVEL_ERROR;
break;
case atom_uint("warning"):
case atom_uint("WARNING"):
level_ = CAF_LOG_LEVEL_WARNING;
break;
case atom_uint("info"):
case atom_uint("INFO"):
level_ = CAF_LOG_LEVEL_INFO;
break;
case atom_uint("debug"):
case atom_uint("DEBUG"):
level_ = CAF_LOG_LEVEL_DEBUG;
break;
case atom_uint("trace"):
case atom_uint("TRACE"):
level_ = CAF_LOG_LEVEL_TRACE;
break;
default: {
// nop
}
}
// Parse the format string.
file_format_ = parse_format(get_or(cfg, "logger.file-format",
lg::file_format));
console_format_ = parse_format(get_or(cfg,"logger.console-format",
lg::console_format));
// Set flags.
if (get_or(cfg, "logger.inline-output", false))
set(inline_output_flag);
auto con_atm = get_or(cfg, "logger.console", lg::console);
if (con_atm == atom("UNCOLORED"))
set(uncolored_console_flag);
else if (con_atm == atom("COLORED"))
set(colored_console_flag);
#endif
}
int exec_main(F fun, int argc, char** argv,
const char* config_file_name = "caf-application.ini") {
using trait = typename detail::get_callable_trait<F>::type;
using arg_types = typename trait::arg_types;
static_assert(detail::tl_size<arg_types>::value == 1
|| detail::tl_size<arg_types>::value == 2,
"main function must have one or two arguments");
static_assert(std::is_same<
typename detail::tl_head<arg_types>::type,
actor_system&
>::value,
"main function must take actor_system& as first parameter");
using arg2 = typename detail::tl_at<arg_types, 1>::type;
using decayed_arg2 = typename std::decay<arg2>::type;
static_assert(std::is_same<arg2, unit_t>::value
|| (std::is_base_of<actor_system_config, decayed_arg2>::value
&& std::is_same<arg2, const decayed_arg2&>::value),
"second parameter of main function must take a subtype of "
"actor_system_config as const reference");
using helper = exec_main_helper<typename trait::arg_types>;
// pass CLI options to config
typename helper::config cfg;
cfg.parse(argc, argv, config_file_name);
// return immediately if a help text was printed
if (cfg.cli_helptext_printed)
return 0;
// load modules
std::initializer_list<unit_t> unused{unit_t{cfg.template load<Ts>()}...};
CAF_IGNORE_UNUSED(unused);
// pass config to the actor system
actor_system system{cfg};
if (cfg.slave_mode) {
if (! cfg.slave_mode_fun) {
std::cerr << "cannot run slave mode, I/O module not loaded" << std::endl;
return 1;
}
return cfg.slave_mode_fun(system, cfg);
}
helper f;
f(fun, system, cfg);
return 0;
}
void manager::io_failure(execution_unit* ctx, operation op) {
CAF_LOG_TRACE(CAF_ARG(op));
CAF_IGNORE_UNUSED(op);
detach(ctx, true);
}
