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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 1.34 by root, Sun Jan 7 02:39:15 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{
64 refcnt_inc (); // the socket is an external reference
65
59 { 66 {
60 struct linger linger_opt; 67 struct linger linger_opt;
61 68
62 linger_opt.l_onoff = 0; 69 linger_opt.l_onoff = 0;
63 linger_opt.l_linger = 0; 70 linger_opt.l_linger = 0;
64 71
65 if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger))) 72 if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger)))
66 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno)); 73 LOG (llevError, "SO_LINGER: %s\n", strerror (errno));
67 } 74 }
75
76 {
77 int val = IPTOS_LOWDELAY;
78
79 if (setsockopt (fd, IPPROTO_IP, IP_TOS, &val, sizeof (val)))
80 LOG (llevError, "IP_TOS: %s\n", strerror (errno));
81 }
82
83 {
84 int val = 1;
85
86 if (setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val)))
87 LOG (llevError, "TCP_NODELAY: %s\n", strerror (errno));
88 }
89
90#ifdef __linux__
91 {
92 int val;
93
94 // set some very aggressive keepalive parameters
95 val = 10;
96 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPIDLE, &val, sizeof (val)))
97 LOG (llevError, "TCP_KEEPIDLE: %s\n", strerror (errno));
98
99 val = 5;
100 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPCNT, &val, sizeof (val)))
101 LOG (llevError, "TCP_KEEPCNT: %s\n", strerror (errno));
102
103 val = 1;
104 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPINTVL, &val, sizeof (val)))
105 LOG (llevError, "TCP_KEEPINTVL: %s\n", strerror (errno));
106 }
107#endif
68 108
69 { 109 {
70 int bufsize = 65535; /*Supposed absolute upper limit */ 110 int bufsize = 65535; /*Supposed absolute upper limit */
71 int oldbufsize; 111 int oldbufsize;
72 int buflen = sizeof (int); 112 int buflen = sizeof (int);
… …
83 123
84 buflen = sizeof (oldbufsize); 124 buflen = sizeof (oldbufsize);
85 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); 125 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen);
86 } 126 }
87 127
128 state = ST_SETUP;
88 mapmode = Map0Cmd; 129 mapmode = Map0Cmd;
89 darkness = 1; 130 darkness = 1;
90 status = Ns_Add;
91 mapx = 11; 131 mapx = 11;
92 mapy = 11; 132 mapy = 11;
93 itemcmd = 1; /* Default is version item1 command */ 133 itemcmd = 1; /* Default is version item1 command */
94 134
95 faces_sent_len = nrofpixmaps; 135 faces_sent = salloc0<uint8> (nrofpixmaps);
96 faces_sent = (uint8 *)calloc (nrofpixmaps, sizeof (*faces_sent));
97 if (!faces_sent)
98 fatal (OUT_OF_MEMORY);
99 136
100 /* Do this so we don't send a face command for the client for 137 /* 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 138 * this face. Face 0 is sent to the client to say clear
102 * face information. 139 * face information.
103 */ 140 */
… …
112 // command handling is even lower priority 149 // command handling is even lower priority
113 // that way no client can monopolise the server 150 // that way no client can monopolise the server
114 cmd_ev.prio (PE_PRIO_NORMAL + 2); 151 cmd_ev.prio (PE_PRIO_NORMAL + 2);
115 152
116 // initialisation done, kick it! 153 // initialisation done, kick it!
117
118 send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); 154 send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO);
119 flush (); 155 flush ();
120 156
121#if 0//TODO 157 clients.insert (this);
122 socket_info.nconns++;
123 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;
125#endif
126} 158}
127 159
128client::~client () 160client::~client ()
129{ 161{
162 clients.erase (this);
163
164 sfree<uint8> (faces_sent, nrofpixmaps);
165 free (stats.range);
166 free (stats.title);
167 free (host);
168}
169
170void
171client::do_destroy ()
172{
173 attachable::do_destroy ();
174
130 if (pl) 175 if (pl)
131 pl->socket = 0; 176 pl->disconnect ();
132 177
133 if (fd >= 0) 178 if (fd >= 0)
134 close (fd), fd = -1; 179 {
180 send_packet ("goodbye");
181 flush ();
135 182
136 free (stats.range), stats.range = 0; 183 close (fd);
137 free (stats.title), stats.title = 0; 184 }
138 free (host), host = 0;
139}
140 185
141void 186 state = ST_DEAD;
142client::destroy () 187
143{
144 status = Ns_Dead;
145 socket_ev.suspend (); 188 socket_ev.suspend ();
146 cmd_ev.suspend (); 189 cmd_ev.suspend ();
190
191 refcnt_dec (); // socket no longer open
147} 192}
148 193
149/** This sets up the socket and reads all the image information into memory. */ 194/** This sets up the socket and reads all the image information into memory. */
150void 195void
151init_ericserver (void) 196init_ericserver (void)
… …
171{ 216{
172 LOG (llevDebug, "Freeing all new client/server information.\n"); 217 LOG (llevDebug, "Freeing all new client/server information.\n");
173 free_socket_images (); 218 free_socket_images ();
174} 219}
175 220
176/** Sends the 'goodbye' command to the player, and closes connection. */ 221client *
177void
178final_free_player (player *pl)
179{
180 free_player (pl);
181}
182
183bool
184add_client (int fd, const char *peername) 222client::create (int fd, const char *peername)
185{ 223{
186 if (checkbanned (NULL, peername)) 224 if (checkbanned (NULL, peername))
187 { 225 {
188 LOG (llevInfo, "Banned host tried to connect: [%s]\n", peername); 226 LOG (llevInfo, "Banned host tried to connect: [%s]\n", peername);
189 return false; 227 return 0;
190 } 228 }
191 else 229 else
192 { 230 {
193 client *ns = new client (dup (fd), peername); 231 client *ns = new client (dup (fd), peername);
194 clients.push_back (ns); 232
233 ns->instantiate (); // effectively a nop right now
234
235 INVOKE_CLIENT (CONNECT, ns);
236
195 return true; 237 return ns;
196 } 238 }
197} 239}
198 240

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