//////////////////////////////////////////////////////////
//======================================================//
// Accept //
//======================================================//
// This will attempt to accept a connection from a //
// tcp socket. //
//////////////////////////////////////////////////////////
bool Connection::Accept(sf::TcpSocket& client_socket)
{
// If we have successfully accepted a connection from the client.
if (connection_listener_.accept(client_socket) == sf::Socket::Done)
{
// Print out the IP address of the connecting client.
std::cout << "Client connected from: " << client_socket.getRemoteAddress() << std::endl;
// We have accepted a connection from this client, notify the server.
return true;
}
// We can modify what the standard response for not connecting with a client is here.
// Without having to go through network connecting code and modifying each if statement to provide a standard response.
// ERROR: Could not accept a connection on the server.
DisplayErrorMessage(kConnectionErrorMessage);
// We have not accepted the connection from this client.
return false;
}
bfbc2::server_info bfbc2::QueryServerInfo(sf::TcpSocket &socket) {
server_info serverInfo;
std::cout << "Sending serverInfo query..." << std::endl;
if (socket.send(serverInfo_QueryPacket, sizeof(serverInfo_QueryPacket)) == sf::Socket::Status::Done) {
std::cout << "Success! Waiting for response..." << std::endl;
char buffer[PACKETSIZE];
std::size_t received = 0;
// receive response
if (socket.receive(buffer, sizeof(buffer), received) == sf::Socket::Status::Done) {
if (received > 0) {
std::cout << "Success! Processing..." << std::endl;
// skip header.
int index = 8;
// get number of WORDs in packet, then store them for parsing.
uint32_t numofwords = (static_cast<uint32_t>(buffer[index]) ) +
(static_cast<uint32_t>(buffer[index + 1]) << 8) +
(static_cast<uint32_t>(buffer[index + 2]) << 16) +
(static_cast<uint32_t>(buffer[index + 3]) << 24);
// skip numwords
index += 4;
// extract the content of each word.
std::vector<std::string> content;
for (uint32_t i = 0; i < numofwords; i++) {
content.push_back(GetWordContent(buffer, index));
}
// checks to see if we have the correct results
if (!content.empty() && content.size() == 24) {
//
// CHECKING FOR OK RESPONSE (.at(0)) & & IF ACCEPTINGPLAYERS )
//
if (content.at(0) == "OK") {
if (content.at(12) == "AcceptingPlayers") {
serverInfo.ip = socket.getRemoteAddress();
serverInfo.name = content.at(1);
serverInfo.playersonline = atoi(content.at(2).c_str());
serverInfo.maxplayers = atoi(content.at(3).c_str());
serverInfo.gamemode = content.at(4);
std::string mapstring = content.at(5);
// change map string to lowercase, as the map filename is stored in the server .cfg,
// and the server admin can make it upper or lower case.
std::transform(mapstring.begin(), mapstring.end(), mapstring.begin(), ::tolower);
std::string map;
if (mapstring.find("001") != std::string::npos) { map = "Panama Canal"; }
else if (mapstring.find("mp_002") != std::string::npos) { map = "Valparaiso"; }
else if (mapstring.find("003") != std::string::npos) { map = "Laguna Alta"; }
else if (mapstring.find("004") != std::string::npos) { map = "Isla Inocentes"; }
else if (mapstring.find("mp_005") != std::string::npos) { map = "Atacama Desert"; }
else if (mapstring.find("006") != std::string::npos) { map = "Arica Harbor"; }
else if (mapstring.find("007") != std::string::npos) { map = "White Pass"; }
else if (mapstring.find("008") != std::string::npos) { map = "Nelson Bay"; }
else if (mapstring.find("009") != std::string::npos) { map = "Laguna Presa"; }
else if (mapstring.find("012") != std::string::npos) { map = "Port Valdez"; }
else if (mapstring.find("oasis") != std::string::npos) { map = "Oasis"; }
else if (mapstring.find("sp_005") != std::string::npos) { map = "Heavy Metal"; }
else if (mapstring.find("sp_002") != std::string::npos) { map = "Cold War"; }
else if (mapstring.find("harvest") != std::string::npos) { map = "Harvest Day"; }
serverInfo.map = map;
}
}
}
}
} // socket.receive
} // socket.send
// if send, receive, or content check fails anywhere, server_info.ip will return sf::IpAddress::None
return serverInfo;
}
ipendpoint get_remote_endpoint(const sf::TcpSocket& socket)
{
return std::make_pair(socket.getRemoteAddress(), socket.getRemotePort());
}
auto ip() const noexcept { return _sckt.getRemoteAddress(); }