expected<std::unique_ptr<std::istream>>
make_input_stream(const caf::settings& options) {
std::string category = Defaults::category;
auto input = get_or(options, category + ".read", Defaults::read);
auto uds = get_or(options, category + ".uds", false);
return make_input_stream(input, uds);
}
expected<std::unique_ptr<std::ostream>>
make_output_stream(const caf::settings& options) {
std::string category = Defaults::category;
auto output = get_or(options, category + ".write", Defaults::write);
auto uds = get_or(options, category + ".uds", false);
return make_output_stream(output, uds);
}
void manager::stop() {
CAF_LOG_TRACE("");
scoped_actor self{system(), true};
self->send_exit(manager_, exit_reason::kill);
if (!get_or(config(), "middleman.attach-utility-actors", false))
self->wait_for(manager_);
manager_ = nullptr;
}
void logger::start() {
#if CAF_LOG_LEVEL >= 0
parent_thread_ = std::this_thread::get_id();
if (level_ == CAF_LOG_LEVEL_QUIET)
return;
t0_ = make_timestamp();
auto f = get_or(system_.config(), "logger.file-name",
defaults::logger::file_name);
if (f.empty()) {
// No need to continue if console and log file are disabled.
if (has(console_output_flag))
return;
} else {
// Replace placeholders.
const char pid[] = "[PID]";
auto i = std::search(f.begin(), f.end(), std::begin(pid),
std::end(pid) - 1);
if (i != f.end()) {
auto id = std::to_string(detail::get_process_id());
f.replace(i, i + sizeof(pid) - 1, id);
}
const char ts[] = "[TIMESTAMP]";
i = std::search(f.begin(), f.end(), std::begin(ts), std::end(ts) - 1);
if (i != f.end()) {
auto t0_str = timestamp_to_string(t0_);
f.replace(i, i + sizeof(ts) - 1, t0_str);
}
const char node[] = "[NODE]";
i = std::search(f.begin(), f.end(), std::begin(node), std::end(node) - 1);
if (i != f.end()) {
auto nid = to_string(system_.node());
f.replace(i, i + sizeof(node) - 1, nid);
}
file_.open(f, std::ios::out | std::ios::app);
if (!file_) {
std::cerr << "unable to open log file " << f << std::endl;
return;
}
}
if (has(inline_output_flag))
log_first_line();
else
thread_ = std::thread{[this] {
this->system_.thread_started();
this->run();
this->system_.thread_terminates();
}};
#endif
}
void logger::log_first_line() {
std::string msg = "level = ";
msg += to_string(get_or(system_.config(), "logger.verbosity",
defaults::logger::verbosity));
msg += ", node = ";
msg += to_string(system_.node());
event tmp{CAF_LOG_LEVEL_INFO,
CAF_LOG_COMPONENT,
CAF_PRETTY_FUN,
__FILE__,
__LINE__,
std::move(msg),
std::this_thread::get_id(),
0,
make_timestamp()};
handle_event(tmp);
}
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
}
mapped_type runtime_settings_map::get(atom_value key) const {
mapped_type fallback;
return get_or(key, fallback);
}
