void PcapWriter::threadMain() {
try {
file_.writeGlobalHeader();
writeLoop();
file_.close();
} catch (const std::exception& ex) {
LOG(ERROR) << "error writing to pcap file: " << folly::exceptionStr(ex);
ex_ = std::current_exception();
}
}
void Recorder::configure(const po::variables_map &vm)
{
// Check for config file and entry correctness
auto config_table = oat::config::getConfigTable(vm);
oat::config::checkKeys(config_keys_, config_table);
// Sources
if (vm.count("frame-sources")) {
auto addrs = vm["frame-sources"].as<
std::vector<std::string> >();
oat::config::checkForDuplicateSources(addrs);
for (auto &a : addrs)
writers_.emplace_back(oat::make_unique<FrameWriter>(a));
}
if (vm.count("position-sources")) {
auto addrs = vm["position-sources"].as<
std::vector<std::string> >();
oat::config::checkForDuplicateSources(addrs);
for (auto &a : addrs)
writers_.emplace_back(oat::make_unique<PositionWriter>(a));
}
if (writers_.size() == 0)
throw std::runtime_error("At least one SOURCE must be provided.");
else if (writers_.size() > 1)
name_ = "recorder[" + writers_[0]->addr() + "..]";
else
name_ = "recorder[" + writers_[0]->addr() + "]";
// Base file name
oat::config::getValue(vm, config_table, "filename", file_name_);
// Save folder
oat::config::getValue(vm, config_table, "folder", save_path_);
// Date
oat::config::getValue(vm, config_table, "date", prepend_timestamp_);
// Interactive control
bool is_interactive = false;
if (oat::config::getValue(vm, config_table, "interactive", is_interactive))
control_mode = LOCAL;
// RPC control
if (oat::config::getValue(vm, config_table, "rpc-endpoint", rpc_endpoint_))
control_mode = RPC;
if (is_interactive && !rpc_endpoint_.empty()) {
throw std::runtime_error("Recorder cannot be interactive and remote "
"controlled at the same time. Choose either "
"interactive or rpc-endpoint.");
}
// Writer specific options
for (auto &w : writers_)
w->configure(config_table, vm);
// Start the recording tread
writer_thread_ = std::thread( [this] { writeLoop(); } );
}