void print_node_info(const DhtRunner& dht, const dht_params& params) {
std::cout << "OpenDht node " << dht.getNodeId() << " running on port " << dht.getBoundPort() << std::endl;
if (params.is_bootstrap_node)
std::cout << "Running in bootstrap mode (discouraged)." << std::endl;
if (params.generate_identity)
std::cout << "Public key ID " << dht.getId() << std::endl;
}
int
main(int argc, char **argv)
{
auto params = parseArgs(argc, argv);
// TODO: remove with GnuTLS >= 3.3
if (int rc = gnutls_global_init())
throw std::runtime_error(std::string("Error initializing GnuTLS: ")+gnutls_strerror(rc));
DhtRunner dht;
dht.run(params.port, dht::crypto::generateIdentity("DHT Chat Node"), true);
if (not params.bootstrap.first.empty())
dht.bootstrap(params.bootstrap.first.c_str(), params.bootstrap.second.c_str());
print_node_info(dht, params);
std::cout << " type 'c {hash}' to join a channel" << std::endl << std::endl;
bool connected {false};
InfoHash room;
const InfoHash myid = dht.getId();
// using the GNU History API
using_history();
while (true)
{
// using the GNU Readline API
std::string line = readLine(connected ? PROMPT : "> ");
if (!line.empty() && line[0] == '\0')
break;
if (line.empty())
continue;
static constexpr dht::InfoHash INVALID_ID {};
std::istringstream iss(line);
std::string op, idstr;
iss >> op;
if (not connected) {
if (op == "x" || op == "q" || op == "exit" || op == "quit")
break;
else if (op == "c") {
iss >> idstr;
room = InfoHash(idstr);
if (room == INVALID_ID) {
room = InfoHash::get(idstr);
std::cout << "Joining h(" << idstr << ") = " << room << std::endl;
}
dht.listen<dht::ImMessage>(room, [&](dht::ImMessage&& msg) {
if (msg.from != myid)
std::cout << msg.from.toString() << " at " << printTime(msg.date)
<< " (took " << print_dt(std::chrono::system_clock::now() - std::chrono::system_clock::from_time_t(msg.date))
<< "s) " << (msg.to == myid ? "ENCRYPTED ":"") << ": " << msg.id << " - " << msg.msg << std::endl;
return true;
});
connected = true;
} else {
std::cout << "Unknown command. Type 'c {hash}' to join a channel" << std::endl << std::endl;
}
} else {
void print_node_info(const DhtRunner& dht, const dht_params& params) {
std::cout << "OpenDht node " << dht.getNodeId() << " running on port " << dht.getBoundPort() << std::endl;
std::cout << "Public key ID " << dht.getId() << std::endl;
}
