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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.21 by root, Sat Dec 16 03:08:26 2006 UTC vs.
Revision 1.33 by pippijn, Sat Jan 6 14:42:31 2007 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for X-windows 2 CrossFire, A Multiplayer game for X-windows
3 3
4 Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
4 Copyright (C) 2001 Mark Wedel 5 Copyright (C) 2001 Mark Wedel
5 Copyright (C) 1992 Frank Tore Johansen 6 Copyright (C) 1992 Frank Tore Johansen
6 7
7 This program is free software; you can redistribute it and/or modify 8 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by 9 it under the terms of the GNU General Public License as published by
… …
29 * 30 *
30 * Mainly deals with initialization and higher level socket 31 * Mainly deals with initialization and higher level socket
31 * maintenance (checking for lost connections and if data has arrived.) 32 * maintenance (checking for lost connections and if data has arrived.)
32 * The reading of data is handled in ericserver.c 33 * The reading of data is handled in ericserver.c
33 */ 34 */
34
35 35
36#include <global.h> 36#include <global.h>
37#include <sproto.h> 37#include <sproto.h>
38#include <sys/types.h> 38#include <sys/types.h>
39#include <sys/time.h> 39#include <sys/time.h>
40#include <sys/socket.h> 40#include <sys/socket.h>
41#include <netinet/in.h> 41#include <netinet/in.h>
42#include <netinet/tcp.h>
43#include <netinet/ip.h>
42#include <netdb.h> 44#include <netdb.h>
43 45
44#include <unistd.h> 46#include <unistd.h>
45#include <arpa/inet.h> 47#include <arpa/inet.h>
48
49#include <algorithm>
46 50
47sockvec clients; 51sockvec clients;
48 52
49/** 53/**
50 * Initializes a connection. Really, it just sets up the data structure, 54 * Initializes a connection. Really, it just sets up the data structure,
… …
52 * client. 56 * client.
53 */ 57 */
54client::client (int fd, const char *peername) 58client::client (int fd, const char *peername)
55: fd (fd), host (strdup (peername)), 59: fd (fd), host (strdup (peername)),
56 socket_ev (this, &client::socket_cb), 60 socket_ev (this, &client::socket_cb),
57 cmd_ev (this, &client::cmd_cb) 61 cmd_ev (this, &client::cmd_cb),
62 cc_inv (this), cc_other (this)
58{ 63{
59 { 64 {
60 struct linger linger_opt; 65 struct linger linger_opt;
61 66
62 linger_opt.l_onoff = 0; 67 linger_opt.l_onoff = 0;
63 linger_opt.l_linger = 0; 68 linger_opt.l_linger = 0;
64 69
65 if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger))) 70 if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger)))
66 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno)); 71 LOG (llevError, "SO_LINGER: %s\n", strerror (errno));
67 } 72 }
73
74 {
75 int val = IPTOS_LOWDELAY;
76
77 if (setsockopt (fd, IPPROTO_IP, IP_TOS, &val, sizeof (val)))
78 LOG (llevError, "IP_TOS: %s\n", strerror (errno));
79 }
80
81 {
82 int val = 1;
83
84 if (setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val)))
85 LOG (llevError, "TCP_NODELAY: %s\n", strerror (errno));
86 }
87
88#ifdef __linux__
89 {
90 int val;
91
92 // set some very aggressive keepalive parameters
93 val = 10;
94 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPIDLE, &val, sizeof (val)))
95 LOG (llevError, "TCP_KEEPIDLE: %s\n", strerror (errno));
96
97 val = 5;
98 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPCNT, &val, sizeof (val)))
99 LOG (llevError, "TCP_KEEPCNT: %s\n", strerror (errno));
100
101 val = 1;
102 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPINTVL, &val, sizeof (val)))
103 LOG (llevError, "TCP_KEEPINTVL: %s\n", strerror (errno));
104 }
105#endif
68 106
69 { 107 {
70 int bufsize = 65535; /*Supposed absolute upper limit */ 108 int bufsize = 65535; /*Supposed absolute upper limit */
71 int oldbufsize; 109 int oldbufsize;
72 int buflen = sizeof (int); 110 int buflen = sizeof (int);
… …
83 121
84 buflen = sizeof (oldbufsize); 122 buflen = sizeof (oldbufsize);
85 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); 123 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen);
86 } 124 }
87 125
126 state = ST_SETUP;
88 mapmode = Map0Cmd; 127 mapmode = Map0Cmd;
89 darkness = 1; 128 darkness = 1;
90 status = Ns_Add;
91 mapx = 11; 129 mapx = 11;
92 mapy = 11; 130 mapy = 11;
93 itemcmd = 1; /* Default is version item1 command */ 131 itemcmd = 1; /* Default is version item1 command */
94 132
95 faces_sent_len = nrofpixmaps; 133 faces_sent = salloc0<uint8> (nrofpixmaps);
96 faces_sent = (uint8 *)calloc (nrofpixmaps, sizeof (*faces_sent));
97 if (!faces_sent)
98 fatal (OUT_OF_MEMORY);
99 134
100 /* Do this so we don't send a face command for the client for 135 /* Do this so we don't send a face command for the client for
101 * this face. Face 0 is sent to the client to say clear 136 * this face. Face 0 is sent to the client to say clear
102 * face information. 137 * face information.
103 */ 138 */
… …
112 // command handling is even lower priority 147 // command handling is even lower priority
113 // that way no client can monopolise the server 148 // that way no client can monopolise the server
114 cmd_ev.prio (PE_PRIO_NORMAL + 2); 149 cmd_ev.prio (PE_PRIO_NORMAL + 2);
115 150
116 // initialisation done, kick it! 151 // initialisation done, kick it!
117
118 send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); 152 send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO);
119 flush (); 153 flush ();
154
155 // clients are externally referenced by the socket
156 refcnt_inc ();
157 clients.push_back (this);
120 158
121#if 0//TODO 159#if 0//TODO
122 socket_info.nconns++; 160 socket_info.nconns++;
123 if (socket_info.nconns > cst_tot.max_conn) cst_tot.max_conn = socket_info.nconns; 161 if (socket_info.nconns > cst_tot.max_conn) cst_tot.max_conn = socket_info.nconns;
124 if (socket_info.nconns > cst_lst.max_conn) cst_lst.max_conn = socket_info.nconns; 162 if (socket_info.nconns > cst_lst.max_conn) cst_lst.max_conn = socket_info.nconns;
125#endif 163#endif
126} 164}
127 165
128client::~client () 166client::~client ()
129{ 167{
168 sockvec::iterator i = find (clients.begin (), clients.end (), this);
169 if (i != clients.end ())
170 clients.erase (i);
171
172 sfree<uint8> (faces_sent, nrofpixmaps);
173 free (stats.range);
174 free (stats.title);
175 free (host);
176}
177
178void
179client::do_destroy ()
180{
181 attachable::do_destroy ();
182
130 if (pl) 183 if (pl)
131 pl->socket = 0; 184 pl->disconnect ();
132 185
133 if (fd >= 0) 186 if (fd >= 0)
134 close (fd), fd = -1; 187 close (fd);
135 188
136 free (stats.range), stats.range = 0; 189 state = ST_DEAD;
137 free (stats.title), stats.title = 0;
138 free (host), host = 0;
139}
140 190
141void
142client::destroy ()
143{
144 status = Ns_Dead;
145 socket_ev.suspend (); 191 socket_ev.suspend ();
146 cmd_ev.suspend (); 192 cmd_ev.suspend ();
193
194 // socket now longer references us
195 refcnt_dec ();
147} 196}
148 197
149/** This sets up the socket and reads all the image information into memory. */ 198/** This sets up the socket and reads all the image information into memory. */
150void 199void
151init_ericserver (void) 200init_ericserver (void)
… …
171{ 220{
172 LOG (llevDebug, "Freeing all new client/server information.\n"); 221 LOG (llevDebug, "Freeing all new client/server information.\n");
173 free_socket_images (); 222 free_socket_images ();
174} 223}
175 224
176/** Sends the 'goodbye' command to the player, and closes connection. */ 225client *
177void
178final_free_player (player *pl)
179{
180 free_player (pl);
181}
182
183bool
184add_client (int fd, const char *peername) 226client::create (int fd, const char *peername)
185{ 227{
186 if (checkbanned (NULL, peername)) 228 if (checkbanned (NULL, peername))
187 { 229 {
188 LOG (llevInfo, "Banned host tried to connect: [%s]\n", peername); 230 LOG (llevInfo, "Banned host tried to connect: [%s]\n", peername);
189 return false; 231 return 0;
190 } 232 }
191 else 233 else
192 { 234 {
193 client *ns = new client (dup (fd), peername); 235 client *ns = new client (dup (fd), peername);
194 clients.push_back (ns); 236
237 ns->instantiate (); // effectively a nop right now
238
239 INVOKE_CLIENT (CONNECT, ns);
240
195 return true; 241 return ns;
196 } 242 }
197} 243}
198 244

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