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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.15 by root, Thu Dec 14 02:37:37 2006 UTC vs.
Revision 1.17 by root, Thu Dec 14 20:39:54 2006 UTC

… …
48#ifdef HAVE_ARPA_INET_H 48#ifdef HAVE_ARPA_INET_H
49# include <arpa/inet.h> 49# include <arpa/inet.h>
50#endif 50#endif
51#include <newserver.h> 51#include <newserver.h>
52 52
53Socket_Info socket_info; 53sockvec client_sockets;
54client_socket *init_sockets;
55
56client_socket::client_socket ()
57{
58}
59
60client_socket::~client_socket ()
61{
62}
63 54
64/** 55/**
65 * Initializes a connection. Really, it just sets up the data structure, 56 * Initializes a connection. Really, it just sets up the data structure,
66 * socket setup is handled elsewhere. We do send a version to the 57 * socket setup is handled elsewhere. We do send a version to the
67 * client. 58 * client.
68 */ 59 */
69void 60client_socket::client_socket (int fd, const char *peername)
70client_socket::init (const char *from_ip) 61: fd (fd), host (strdup (peername)),
62 socket_ev (this, &client_socket::socket_cb)
71{ 63{
64 {
65 struct linger linger_opt;
66
67 linger_opt.l_onoff = 0;
68 linger_opt.l_linger = 0;
69
70 if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger)))
71 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno));
72 }
73
74 {
72 int bufsize = 65535; /*Supposed absolute upper limit */ 75 int bufsize = 65535; /*Supposed absolute upper limit */
73 int oldbufsize; 76 int oldbufsize;
74 int buflen = sizeof (int); 77 int buflen = sizeof (int);
75 78
76 if (fcntl (fd, F_SETFL, O_NONBLOCK) == -1) 79 if (fcntl (fd, F_SETFL, O_NONBLOCK) == -1)
77 LOG (llevError, "InitConnection: Error on fcntl.\n"); 80 LOG (llevError, "InitConnection: Error on fcntl.\n");
78 81
79 if (getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen) == -1) 82 if (getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen) == -1)
80 oldbufsize = 0; 83 oldbufsize = 0;
81 84
82 if (oldbufsize < bufsize) 85 if (oldbufsize < bufsize)
83 if (setsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &bufsize, sizeof (&bufsize))) 86 if (setsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &bufsize, sizeof (&bufsize)))
84 LOG (llevError, "InitConnection: setsockopt unable to set output buf size to %d\n", bufsize); 87 LOG (llevError, "InitConnection: setsockopt unable to set output buf size to %d\n", bufsize);
85 88
86 buflen = sizeof (oldbufsize); 89 buflen = sizeof (oldbufsize);
87 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); 90 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen);
88#ifdef ESRV_DEBUG 91 }
89 LOG (llevDebug, "Socket buffer size now %d bytes\n", oldbufsize);
90#endif
91 92
92 faceset = 0;
93 facecache = 0;
94 image2 = 0;
95 sound = 0;
96 exp64 = 0;
97 monitor_spells = 0;
98 mapmode = Map0Cmd; 93 mapmode = Map0Cmd;
99 darkness = 1; 94 darkness = 1;
100 status = Ns_Add; 95 status = Ns_Add;
101 mapx = 11; 96 mapx = 11;
102 mapy = 11; 97 mapy = 11;
103 newmapcmd = 0;
104 itemcmd = 1; /* Default is version item1 command */ 98 itemcmd = 1; /* Default is version item1 command */
105 ext_mapinfos = 0; /*extendedmapinfo datas */
106 EMI_smooth = 0;
107 look_position = 0;
108 update_look = 0;
109 has_readable_type = 0;
110 supported_readables = 0;
111 monitor_spells = 0;
112 mapinfocmd = 0;
113 extcmd = 0;
114 extmap = 0;
115 99
116 /* we should really do some checking here - if total clients overflows 100 faces_sent_len = nrofpixmaps;
117 * we need to do something more intelligent, because client id's will start 101 faces_sent = (uint8 *)calloc (nrofpixmaps, sizeof (*faces_sent));
118 * duplicating (not likely in normal cases, but malicous attacks that 102 if (!faces_sent)
119 * just open and close connections could get this total up. 103 fatal (OUT_OF_MEMORY);
120 */
121 inbuf_len = 0;
122 104
123 /* Basic initialization. Needed because we do a check in
124 * HandleClient for oldsocketmode without checking the
125 * length of data.
126 */
127 memset (&lastmap, 0, sizeof (struct Map));
128 memset (faces_sent, 0, faces_sent_len * sizeof (*faces_sent));
129 memset (&anims_sent, 0, sizeof (anims_sent));
130 memset (&stats, 0, sizeof (struct statsinfo));
131 /* Do this so we don't send a face command for the client for 105 /* Do this so we don't send a face command for the client for
132 * this face. Face 0 is sent to the client to say clear 106 * this face. Face 0 is sent to the client to say clear
133 * face information. 107 * face information.
134 */ 108 */
135 faces_sent[0] = NS_FACESENT_FACE; 109 faces_sent[0] = NS_FACESENT_FACE;
136 110
137 outputbuffer.start = 0; 111 socket_ev.fd (fd).poll (PE_W).start ();
138 outputbuffer.len = 0;
139 can_write = 1;
140 password_fails = 0;
141 112
142 current_map = 0; 113 // initialisation done, kick it!
143 current_x = 0;
144 current_y = 0;
145 client[0] = 0;
146 buggy_mapscroll = 0;
147
148 sent_scroll = 0;
149 host = strdup_local (from_ip);
150 114
151 { 115 {
152 packet sl; 116 packet sl;
153 sl.printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); 117 sl.printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO);
154 send_packet (sl); 118 send_packet (sl);
155 } 119 }
156 120
157 if (socket_info.nconns > cst_tot.max_conn) 121#if 0//TODO
158 cst_tot.max_conn = socket_info.nconns; 122 socket_info.nconns++;
159 if (socket_info.nconns > cst_lst.max_conn) 123 if (socket_info.nconns > cst_tot.max_conn) cst_tot.max_conn = socket_info.nconns;
160 cst_lst.max_conn = socket_info.nconns; 124 if (socket_info.nconns > cst_lst.max_conn) cst_lst.max_conn = socket_info.nconns;
125#endif
161} 126}
162 127
128client_socket::~client_socket ()
129{
130 status = Ns_Dead;
131}
163 132
164/** This sets up the socket and reads all the image information into memory. */ 133/** This sets up the socket and reads all the image information into memory. */
165void 134void
166init_ericserver (void) 135init_ericserver (void)
167{ 136{
168 struct sockaddr_in insock; 137 struct sockaddr_in insock;
169 struct protoent *protox;
170 struct linger linger_opt; 138 struct linger linger_opt;
171
172 socket_info.max_filedescriptor = sysconf (_SC_OPEN_MAX);
173
174 socket_info.timeout.tv_sec = 0;
175 socket_info.timeout.tv_usec = 0;
176 socket_info.nconns = 0;
177 139
178 memset (&cst_tot, 0, sizeof (CS_Stats)); 140 memset (&cst_tot, 0, sizeof (CS_Stats));
179 memset (&cst_lst, 0, sizeof (CS_Stats)); 141 memset (&cst_lst, 0, sizeof (CS_Stats));
180 cst_tot.time_start = time (NULL); 142 cst_tot.time_start = time (NULL);
181 cst_lst.time_start = time (NULL); 143 cst_lst.time_start = time (NULL);
182 144
183 LOG (llevDebug, "Initialize new client/server data\n"); 145 LOG (llevDebug, "Initialize new client/server data\n");
184 socket_info.nconns = 1;
185 init_sockets = (client_socket *) malloc (sizeof (client_socket));
186 init_sockets[0].faces_sent = NULL; /* unused */
187 socket_info.allocated_sockets = 1;
188 146
189 protox = getprotobyname ("tcp");
190 if (protox == NULL)
191 {
192 LOG (llevError, "init_ericserver: Error getting protox\n");
193 return;
194 }
195
196 init_sockets[0].fd = socket (PF_INET, SOCK_STREAM, protox->p_proto);
197 if (init_sockets[0].fd == -1)
198 {
199 LOG (llevError, "Cannot create socket: %s\n", strerror (errno));
200 exit (-1);
201 }
202
203 insock.sin_family = AF_INET;
204 insock.sin_port = htons (settings.csport);
205 insock.sin_addr.s_addr = htonl (INADDR_ANY);
206
207 linger_opt.l_onoff = 0;
208 linger_opt.l_linger = 0;
209 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_LINGER, (char *) &linger_opt, sizeof (struct linger)))
210 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno));
211
212 {
213 int tmp = 1;
214
215 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof (tmp)))
216 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno));
217 }
218
219 if (bind (init_sockets[0].fd, (struct sockaddr *) &insock, sizeof (insock)) == (-1))
220 {
221 LOG (llevError, "Cannot bind socket to port %d: %s\n", ntohs (insock.sin_port), strerror (errno));
222 close (init_sockets[0].fd);
223 exit (-1);
224 }
225
226 if (listen (init_sockets[0].fd, 5) == (-1))
227 {
228 LOG (llevError, "Cannot listen on socket: %s\n", strerror (errno));
229 close (init_sockets[0].fd);
230 exit (-1);
231 }
232
233 init_sockets[0].status = Ns_Add;
234 read_client_images (); 147 read_client_images ();
235} 148}
236 149
237 150
238/******************************************************************************* 151/*******************************************************************************
… …
245void 158void
246free_all_newserver (void) 159free_all_newserver (void)
247{ 160{
248 LOG (llevDebug, "Freeing all new client/server information.\n"); 161 LOG (llevDebug, "Freeing all new client/server information.\n");
249 free_socket_images (); 162 free_socket_images ();
250 free (init_sockets);
251} 163}
252 164
253/** 165/**
254 * Frees a socket. 166 * Frees a socket.
255 * Basically, all we need to do here is free all data structures that 167 * Basically, all we need to do here is free all data structures that
… …
258 */ 170 */
259 171
260void 172void
261free_newsocket (client_socket *ns) 173free_newsocket (client_socket *ns)
262{ 174{
175 if (ns->fd >= 0)
263 close (ns->fd); 176 close (ns->fd);
264 177
265 if (ns->stats.range) 178 if (ns->stats.range)
266 free (ns->stats.range); 179 free (ns->stats.range);
267 180
268 if (ns->stats.title) 181 if (ns->stats.title)
269 free (ns->stats.title); 182 free (ns->stats.title);
270 183
271 free (ns->host); 184 free (ns->host);
185
186 ns->fd = -1;
187 ns->stats.range = 0;
188 ns->stats.title = 0;
189 ns->host = 0;
272} 190}
273 191
274/** Sends the 'goodbye' command to the player, and closes connection. */ 192/** Sends the 'goodbye' command to the player, and closes connection. */
275void 193void
276final_free_player (player *pl) 194final_free_player (player *pl)
277{ 195{
278 pl->socket.send_packet ("goodbye"); 196 pl->socket->send_packet ("goodbye");
279 free_newsocket (&pl->socket); 197 free_newsocket (pl->socket);
280 free_player (pl); 198 free_player (pl);
281} 199}
282 200
201bool
202add_client_socket (int fd, const char *peername)
203{
204 if (checkbanned (NULL, peername))
205 {
206 LOG (llevInfo, "Banned host tried to connect: [%s]\n", peername);
207 return false;
208 }
209 else
210 {
211 client_socket *ns = new client_socket (dup (fd), peername);
212 client_sockets.push_back (ns);
213 return true;
214 }
215}
216

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