/**
* Compare two string.
*/
int string_compare(const string_t* cpstr_first, const string_t* cpstr_second)
{
return string_compare_cstr(cpstr_first, string_c_str(cpstr_second));
}
static void login_trilogy_handle_op_server_list(LoginClient* client, ProtocolHandler* handler)
{
Login* login;
ServerList* list;
ServerListing* data;
PacketTrilogy* packet;
Aligned write;
Aligned* w = &write;
uint32_t count;
uint32_t length;
uint32_t n;
uint32_t i;
uint32_t ip;
bool isLocal;
char address[INET_ADDRSTRLEN];
if (login_client_get_state(client) != LoginClientTrilogy_AcceptedCredentials)
return;
isLocal = login_client_is_local(client);
login = (Login*)protocol_handler_basic(handler);
list = login_server_list(login);
count = server_list_count(list);
ip = protocol_handler_ip_address(handler)->sin_addr.s_addr;
snprintf(address, sizeof(address), "%u.%u.%u.%u", (ip >> 0) & 0xff, (ip >> 8) & 0xff, (ip >> 16) & 0xff, (ip >> 24) & 0xff);
// Figure out how long the packet will be
data = server_list_data(list);
length = sizeof(LoginTrilogy_ServerListHeader) + sizeof(LoginTrilogy_ServerListFooter);
n = 0;
for (i = 0; i < count; i++)
{
ServerListing* server = &data[i];
if (!server_listing_name(server))
continue;
/*
There are two different 'local address' cases to handle:
1) Login, char-select and client are all local to each other; or
2) Char-select and client are local to each other, but both are remote to login
In the first case, both char-select and client will have been flagged as local (to the login server) and the
client's address will not match the remote address for char-select.
In the second case, neither char-select and client will have been flagged as local, but the client's address will
(presumably, and typically) be the same as char-select's remote address.
*/
if ((isLocal && server_listing_is_local(server)) || string_compare_cstr(server_listing_remote_address(server), address))
length += string_length(server_listing_local_address(server)) + 1;
else
length += server_listing_remote_length(server);
length += server_listing_name_length(server);
length += sizeof(LoginTrilogy_ServerFooter);
if (++n == SERVER_LIST_COUNT_MAX)
break;
}
// Create and fill the packet
packet = packet_trilogy_create(B(login), TrilogyOp_ServerList, length);
aligned_init(B(login), w, packet_trilogy_data(packet), packet_trilogy_length(packet));
/* ServerListHeader */
// serverCount
aligned_write_uint8(w, n);
// unknown (2 bytes)
aligned_write_zeroes(w, sizeof(uint8_t) * 2);
// showNumPlayers
aligned_write_uint8(w, 0xff); // Show actual numbers rather than just "Up"
/* Server entries and footers */
n = 0;
for (i = 0; i < count; i++)
{
int playerCount;
ServerListing* server = &data[i];
if (!server_listing_name(server))
continue;
switch (server_listing_status(server))
{
case ServerStatus_Down:
playerCount = SERVER_DOWN;
break;
case ServerStatus_Locked:
playerCount = SERVER_LOCKED;
break;
default:
playerCount = server_listing_player_count(server);
break;
}
// server name
aligned_write_string_null_terminated(w, server_listing_name(server));
// ip address
if ((isLocal && server_listing_is_local(server)) || string_compare_cstr(server_listing_remote_address(server), address))
aligned_write_string_null_terminated(w, server_listing_local_address(server));
else
aligned_write_string_null_terminated(w, server_listing_remote_address(server));
// isGreenName
aligned_write_bool(w, (server_listing_rank(server) != ServerRank_Standard));
// playerCount
aligned_write_int32(w, playerCount);
if (++n == SERVER_LIST_COUNT_MAX)
break;
}
/* ServerListFooter */
// admin
aligned_write_uint8(w, 0);
// zeroes A (8 bytes)
aligned_write_zeroes(w, sizeof(uint8_t) * 8);
// kunark
aligned_write_uint8(w, 1);
// velious
aligned_write_uint8(w, 1);
// zeroes B (12 bytes)
aligned_write_zeroes(w, sizeof(uint8_t) * 12);
login_trilogy_schedule_packet(handler, packet);
}