--- deliantra/server/socket/init.C 2006/12/14 04:30:33 1.16 +++ deliantra/server/socket/init.C 2007/05/28 21:22:26 1.46 @@ -1,25 +1,26 @@ /* - CrossFire, A Multiplayer game for X-windows - - Copyright (C) 2001 Mark Wedel - Copyright (C) 1992 Frank Tore Johansen - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - The author can be reached via e-mail to -*/ + * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. + * + * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team + * Copyright (©) 2001,2007 Mark Wedel + * Copyright (©) 1992,2007 Frank Tore Johansen + * + * Crossfire TRT is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 + * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * The authors can be reached via e-mail to + */ /** * \file @@ -32,42 +33,87 @@ * The reading of data is handled in ericserver.c */ - #include #include #include #include #include #include +#include +#include #include -#ifdef HAVE_UNISTD_H -# include -#endif +#include +#include -#ifdef HAVE_ARPA_INET_H -# include -#endif -#include +#include -sockvec client_sockets; +sockvec clients; /** * Initializes a connection. Really, it just sets up the data structure, * socket setup is handled elsewhere. We do send a version to the * client. */ -client_socket::client_socket (int fd, const char *peername) -: fd (fd), host (strdup (peername)) +client::client (int fd, const char *peername) +: fd (fd), host (strdup (peername)), + socket_ev (this, &client::socket_cb), + cmd_ev (this, &client::cmd_cb) { + refcnt_inc (); // the socket is an external reference + + mss = 1500 - 52; // 1500 typical ethernet frame, 66 typical tcp header overhead + { struct linger linger_opt; - linger_opt.l_onoff = 0; + linger_opt.l_onoff = 0; linger_opt.l_linger = 0; if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger))) - LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno)); + LOG (llevError, "SO_LINGER: %s\n", strerror (errno)); + } + + { + int val; + +#ifdef IP_TOS + val = IPTOS_LOWDELAY; + if (setsockopt (fd, IPPROTO_IP, IP_TOS, &val, sizeof (val))) + LOG (llevError, "IP_TOS: %s\n", strerror (errno)); +#endif + +#ifdef TCP_NODELAY + val = 1; + if (setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val))) + LOG (llevError, "TCP_NODELAY: %s\n", strerror (errno)); +#endif + + // set some very aggressive keepalive parameters +#ifdef TCP_KEEPIDLE + val = 1; + if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPIDLE, &val, sizeof (val))) + LOG (llevError, "TCP_KEEPIDLE: %s\n", strerror (errno)); +#endif + +#ifdef TCP_KEEPCNT + val = 3; + if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPCNT, &val, sizeof (val))) + LOG (llevError, "TCP_KEEPCNT: %s\n", strerror (errno)); +#endif + +#ifdef TCP_KEEPINTVL + val = 1; + if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPINTVL, &val, sizeof (val))) + LOG (llevError, "TCP_KEEPINTVL: %s\n", strerror (errno)); +#endif + + // try to find the mss value in use +#ifdef TCP_MAXSEG + socklen_t sl = sizeof (val); + if (!getsockopt (fd, IPPROTO_TCP, TCP_MAXSEG, &val, &sl) && sl == sizeof (val)) + mss = val; +#endif } { @@ -89,64 +135,109 @@ getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); } + state = ST_SETUP; mapmode = Map0Cmd; darkness = 1; - status = Ns_Add; mapx = 11; mapy = 11; itemcmd = 1; /* Default is version item1 command */ - - faces_sent_len = nrofpixmaps; - faces_sent = (uint8 *)calloc (nrofpixmaps, sizeof (*faces_sent)); - if (!faces_sent) - fatal (OUT_OF_MEMORY); + max_rate = 100000 / (1000000 / MAX_TIME); // ~1mbit is assumed per default /* Do this so we don't send a face command for the client for * this face. Face 0 is sent to the client to say clear * face information. */ - faces_sent[0] = NS_FACESENT_FACE; + faces_sent[0] = true; - can_write = 1; + socket_ev.prio (PE_PRIO_NORMAL); + socket_ev.fd (fd); + socket_ev.poll (PE_R); + + cmd_ev.prio (PE_PRIO_NORMAL); // initialisation done, kick it! + send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); + flush (); - { - packet sl; - sl.printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); - send_packet (sl); - } + reset_stats (); -#if 0//TODO - socket_info.nconns++; - if (socket_info.nconns > cst_tot.max_conn) cst_tot.max_conn = socket_info.nconns; - if (socket_info.nconns > cst_lst.max_conn) cst_lst.max_conn = socket_info.nconns; -#endif + clients.insert (this); +} + +client::~client () +{ + clients.erase (this); + + free (stats.range); + free (stats.title); + free (host); +} + +void +client::do_destroy () +{ + attachable::do_destroy (); + + if (pl) + pl->disconnect (); + + if (fd >= 0) + { + send_packet ("goodbye"); + flush (); + + close (fd); + } + + state = ST_DEAD; + + socket_ev.suspend (); + cmd_ev.suspend (); + + refcnt_dec (); // socket no longer open } -client_socket::~client_socket () +void +client::reset_stats () { - status = Ns_Dead; + /* we need to clear these to -1 and not zero - otherwise, + * if a player quits and starts a new character, we wont + * send new values to the client, as things like exp start + * at zero. + */ + for (int i = 0; i < NUM_SKILLS; i++) + last_skill_exp[i] = -1; + + for (int i = 0; i < NROFATTACKS; i++) + last_resist[i] = -1; + + last_weapon_sp = -1; + last_level = -1; + last_stats.exp = -1; + last_weight = (uint32) - 1; + last_flags = 0; + last_weight = 0; + last_weight_limit = 0; + last_path_attuned = 0; + last_path_repelled = 0; + last_path_denied = 0; + last_speed = 0; + last_flags = 0; + + static living zero_living; + last_stats = zero_living; } /** This sets up the socket and reads all the image information into memory. */ void init_ericserver (void) { - struct sockaddr_in insock; - struct linger linger_opt; - - memset (&cst_tot, 0, sizeof (CS_Stats)); - memset (&cst_lst, 0, sizeof (CS_Stats)); cst_tot.time_start = time (NULL); cst_lst.time_start = time (NULL); LOG (llevDebug, "Initialize new client/server data\n"); - - read_client_images (); } - /******************************************************************************* * * Start of functions dealing with freeing of the data. @@ -161,55 +252,12 @@ free_socket_images (); } -/** - * Frees a socket. - * Basically, all we need to do here is free all data structures that - * might be associated with the socket. It is up to the caller to - * update the list - */ - -void -free_newsocket (client_socket *ns) -{ - if (ns->fd >= 0) - close (ns->fd); - - if (ns->stats.range) - free (ns->stats.range); - - if (ns->stats.title) - free (ns->stats.title); - - free (ns->host); - - ns->fd = -1; - ns->stats.range = 0; - ns->stats.title = 0; - ns->host = 0; -} - -/** Sends the 'goodbye' command to the player, and closes connection. */ -void -final_free_player (player *pl) -{ - pl->socket->send_packet ("goodbye"); - free_newsocket (pl->socket); - free_player (pl); -} - -bool -add_client_socket (int fd, const char *peername) +client * +client::create (int fd, const char *peername) { - if (checkbanned (NULL, peername)) - { - LOG (llevInfo, "Banned host tried to connect: [%s]\n", peername); - return false; - } - else - { - client_socket *ns = new client_socket (dup (fd), peername); - client_sockets.push_back (ns); - return true; - } + client *ns = new client (dup (fd), peername); + ns->instantiate (); // effectively a nop right now + INVOKE_CLIENT (CONNECT, ns); + return ns; }