void do_parsepacket(void)
{
for (int i = 0; i < fd_max; i++)
{
if (!session[i])
continue;
if (!session[i]->connected
&& static_cast<time_t>(TimeT::now()) - static_cast<time_t>(session[i]->created) > CONNECT_TIMEOUT)
{
PRINTF("Session #%d timed out\n", i);
session[i]->eof = 1;
}
if (!session[i]->rdata_size && !session[i]->eof)
continue;
if (session[i]->func_parse)
{
session[i]->func_parse(i);
/// some func_parse may call delete_session
if (!session[i])
continue;
}
/// Reclaim buffer space for what was read
RFIFOFLUSH(i);
}
}
int chlogif_parse(int fd) {
struct char_session_data* sd = NULL;
// only process data from the login-server
if( fd != login_fd ) {
ShowDebug("parse_fromlogin: Disconnecting invalid session #%d (is not the login-server)\n", fd);
do_close(fd);
return 0;
}
if( session[fd]->flag.eof ) {
do_close(fd);
login_fd = -1;
chlogif_on_disconnect();
return 0;
} else if ( session[fd]->flag.ping ) {/* we've reached stall time */
if( DIFF_TICK(last_tick, session[fd]->rdata_tick) > (stall_time * 2) ) {/* we can't wait any longer */
set_eof(fd);
return 0;
} else if( session[fd]->flag.ping != 2 ) { /* we haven't sent ping out yet */
WFIFOHEAD(fd,2);// sends a ping packet to login server (will receive pong 0x2718)
WFIFOW(fd,0) = 0x2719;
WFIFOSET(fd,2);
session[fd]->flag.ping = 2;
}
}
sd = (struct char_session_data*)session[fd]->session_data;
while(RFIFOREST(fd) >= 2) {
// -1: Login server is not connected
// 0: Avoid processing followup packets (prev was probably incomplete) packet
// 1: Continue parsing
int next = 1;
uint16 command = RFIFOW(fd,0);
switch( command ) {
case 0x2711: next = chlogif_parse_ackconnect(fd,sd); break;
case 0x2713: next = chlogif_parse_ackaccreq(fd, sd); break;
case 0x2717: next = chlogif_parse_reqaccdata(fd, sd); break;
case 0x2718: next = chlogif_parse_keepalive(fd, sd); break;
case 0x2721: next = chlogif_parse_AccInfoAck(fd); break;
case 0x2723: next = chlogif_parse_ackchangesex(fd, sd); break;
case 0x2726: next = chlogif_parse_ack_global_accreg(fd, sd); break;
case 0x2731: next = chlogif_parse_accbannotification(fd, sd); break;
case 0x2734: next = chlogif_parse_askkick(fd,sd); break;
case 0x2735: next = chlogif_parse_updip(fd,sd); break;
case 0x2743: next = chlogif_parse_vipack(fd); break;
default:
ShowError("Unknown packet 0x%04x received from login-server, disconnecting.\n", command);
set_eof(fd);
return 0;
}
if (next == 0)
return 0; //do not parse next data
}
RFIFOFLUSH(fd);
return 0;
}
void tcp_connection::handle_read(const boost::system::error_code &error, size_t bytes_transferred)
{
if (!socket_.is_open() && !flags.eof)
{
set_eof();
}
if (flags.eof)
return;
if (error)
{
set_eof();
do_close();
}
else if (bytes_transferred == 0)
{
set_eof();
do_close();
}
else
{
rdata_size += bytes_transferred;
if (parse_)
parse_((pointer)this->shared_from_this());
RFIFOFLUSH(this);
start_read();
}
}
int chlogif_parse(int fd) {
struct char_session_data* sd = NULL;
// only process data from the login-server
if( fd != login_fd ) {
ShowDebug("parse_fromlogin: Disconnecting invalid session #%d (is not the login-server)\n", fd);
do_close(fd);
return 0;
}
if( session[fd]->flag.eof ) {
do_close(fd);
login_fd = -1;
chlogif_on_disconnect();
return 0;
} else if ( session[fd]->flag.ping ) {/* we've reached stall time */
if( DIFF_TICK(last_tick, session[fd]->rdata_tick) > (stall_time * 2) ) {/* we can't wait any longer */
set_eof(fd);
return 0;
} else if( session[fd]->flag.ping != 2 ) { /* we haven't sent ping out yet */
WFIFOHEAD(fd,2);// sends a ping packet to login server (will receive pong 0x2718)
WFIFOW(fd,0) = 0x2719;
WFIFOSET(fd,2);
session[fd]->flag.ping = 2;
}
}
sd = (struct char_session_data*)session[fd]->session_data;
while(RFIFOREST(fd) >= 2) {
int next=1;
uint16 command = RFIFOW(fd,0);
switch( command )
{
case 0x2741: next = chlogif_parse_BankingAck(fd); break;
case 0x2743: next = chlogif_parse_vipack(fd); break;
// acknowledgement of connect-to-loginserver request
case 0x2711: next = chlogif_parse_ackconnect(fd,sd); break;
// acknowledgement of account authentication request
case 0x2713: next = chlogif_parse_ackaccreq(fd, sd); break;
// account data
case 0x2717: next = chlogif_parse_reqaccdata(fd, sd); break;
// login-server alive packet
case 0x2718: next = chlogif_parse_keepalive(fd, sd); break;
// changesex reply
case 0x2723: next = chlogif_parse_ackchangesex(fd, sd); break;
// reply to an account_reg2 registry request
case 0x2729: next = chlogif_parse_ackacc2req(fd, sd); break;
// State change of account/ban notification (from login-server)
case 0x2731: next = chlogif_parse_accbannotification(fd, sd); break;
// Login server request to kick a character out. [Skotlex]
case 0x2734: next = chlogif_parse_askkick(fd,sd); break;
// ip address update signal from login server
case 0x2735: next = chlogif_parse_updip(fd,sd); break;
// @accinfo result
case 0x2721: next = chlogif_parse_AccInfoAck(fd); break;
default:
ShowError("Unknown packet 0x%04x received from login-server, disconnecting.\n", command);
set_eof(fd);
return 0;
}
if(next==0) return 0; //do not parse next data
}
RFIFOFLUSH(fd);
return 0;
}
