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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.13 by root, Thu Dec 14 01:12:35 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;
54NewSocket *init_sockets;
55 54
56/** 55/**
57 * Initializes a connection. Really, it just sets up the data structure, 56 * Initializes a connection. Really, it just sets up the data structure,
58 * 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
59 * client. 58 * client.
60 */ 59 */
61void 60client_socket::client_socket (int fd, const char *peername)
62InitConnection (NewSocket *ns, const char *from_ip) 61: fd (fd), host (strdup (peername)),
62 socket_ev (this, &client_socket::socket_cb)
63{ 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 {
64 int bufsize = 65535; /*Supposed absolute upper limit */ 75 int bufsize = 65535; /*Supposed absolute upper limit */
65 int oldbufsize; 76 int oldbufsize;
66 int buflen = sizeof (int); 77 int buflen = sizeof (int);
67 78
68 if (fcntl (ns->fd, F_SETFL, O_NONBLOCK) == -1) 79 if (fcntl (fd, F_SETFL, O_NONBLOCK) == -1)
69 LOG (llevError, "InitConnection: Error on fcntl.\n"); 80 LOG (llevError, "InitConnection: Error on fcntl.\n");
70 81
71 if (getsockopt (ns->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)
72 oldbufsize = 0; 83 oldbufsize = 0;
73 84
74 if (oldbufsize < bufsize) 85 if (oldbufsize < bufsize)
75 if (setsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &bufsize, sizeof (&bufsize))) 86 if (setsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &bufsize, sizeof (&bufsize)))
76 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);
77 88
78 buflen = sizeof (oldbufsize); 89 buflen = sizeof (oldbufsize);
79 getsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); 90 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen);
80#ifdef ESRV_DEBUG 91 }
81 LOG (llevDebug, "Socket buffer size now %d bytes\n", oldbufsize);
82#endif
83 92
84 ns->faceset = 0;
85 ns->facecache = 0;
86 ns->image2 = 0;
87 ns->sound = 0;
88 ns->exp64 = 0;
89 ns->monitor_spells = 0;
90 ns->mapmode = Map0Cmd; 93 mapmode = Map0Cmd;
91 ns->darkness = 1; 94 darkness = 1;
92 ns->status = Ns_Add; 95 status = Ns_Add;
93 ns->mapx = 11; 96 mapx = 11;
94 ns->mapy = 11; 97 mapy = 11;
95 ns->newmapcmd = 0;
96 ns->itemcmd = 1; /* Default is version item1 command */ 98 itemcmd = 1; /* Default is version item1 command */
97 ns->ext_mapinfos = 0; /*extendedmapinfo datas */
98 ns->EMI_smooth = 0;
99 ns->look_position = 0;
100 ns->update_look = 0;
101 ns->has_readable_type = 0;
102 ns->supported_readables = 0;
103 ns->monitor_spells = 0;
104 ns->mapinfocmd = 0;
105 ns->extcmd = 0;
106 ns->extmap = 0;
107 99
108 /* we should really do some checking here - if total clients overflows 100 faces_sent_len = nrofpixmaps;
109 * we need to do something more intelligent, because client id's will start 101 faces_sent = (uint8 *)calloc (nrofpixmaps, sizeof (*faces_sent));
110 * duplicating (not likely in normal cases, but malicous attacks that 102 if (!faces_sent)
111 * just open and close connections could get this total up. 103 fatal (OUT_OF_MEMORY);
112 */
113 ns->inbuf_len = 0;
114 104
115 /* Basic initialization. Needed because we do a check in
116 * HandleClient for oldsocketmode without checking the
117 * length of data.
118 */
119 memset (&ns->lastmap, 0, sizeof (struct Map));
120 memset (ns->faces_sent, 0, ns->faces_sent_len * sizeof (*ns->faces_sent));
121 memset (&ns->anims_sent, 0, sizeof (ns->anims_sent));
122 memset (&ns->stats, 0, sizeof (struct statsinfo));
123 /* 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
124 * 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
125 * face information. 107 * face information.
126 */ 108 */
127 ns->faces_sent[0] = NS_FACESENT_FACE; 109 faces_sent[0] = NS_FACESENT_FACE;
128 110
129 ns->outputbuffer.start = 0; 111 socket_ev.fd (fd).poll (PE_W).start ();
130 ns->outputbuffer.len = 0;
131 ns->can_write = 1;
132 ns->password_fails = 0;
133 112
134 ns->current_map = 0; 113 // initialisation done, kick it!
135 ns->current_x = 0;
136 ns->current_y = 0;
137 ns->client[0] = 0;
138 ns->buggy_mapscroll = 0;
139
140 ns->sent_scroll = 0;
141 ns->host = strdup_local (from_ip);
142 114
143 { 115 {
144 SockList sl (MAXSOCKBUF); 116 packet sl;
145
146 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);
147 Send_With_Handling (ns, &sl); 118 send_packet (sl);
148 sl.free ();
149 } 119 }
150 120
151#ifdef CS_LOGSTATS 121#if 0//TODO
152 if (socket_info.nconns > cst_tot.max_conn) 122 socket_info.nconns++;
153 cst_tot.max_conn = socket_info.nconns; 123 if (socket_info.nconns > cst_tot.max_conn) cst_tot.max_conn = socket_info.nconns;
154 if (socket_info.nconns > cst_lst.max_conn) 124 if (socket_info.nconns > cst_lst.max_conn) cst_lst.max_conn = socket_info.nconns;
155 cst_lst.max_conn = socket_info.nconns;
156#endif 125#endif
157} 126}
158 127
128client_socket::~client_socket ()
129{
130 status = Ns_Dead;
131}
159 132
160/** 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. */
161void 134void
162init_ericserver (void) 135init_ericserver (void)
163{ 136{
164 struct sockaddr_in insock; 137 struct sockaddr_in insock;
165 struct protoent *protox;
166 struct linger linger_opt; 138 struct linger linger_opt;
167 139
168 socket_info.max_filedescriptor = sysconf (_SC_OPEN_MAX);
169
170 socket_info.timeout.tv_sec = 0;
171 socket_info.timeout.tv_usec = 0;
172 socket_info.nconns = 0;
173
174#ifdef CS_LOGSTATS
175 memset (&cst_tot, 0, sizeof (CS_Stats)); 140 memset (&cst_tot, 0, sizeof (CS_Stats));
176 memset (&cst_lst, 0, sizeof (CS_Stats)); 141 memset (&cst_lst, 0, sizeof (CS_Stats));
177 cst_tot.time_start = time (NULL); 142 cst_tot.time_start = time (NULL);
178 cst_lst.time_start = time (NULL); 143 cst_lst.time_start = time (NULL);
179#endif
180 144
181 LOG (llevDebug, "Initialize new client/server data\n"); 145 LOG (llevDebug, "Initialize new client/server data\n");
182 socket_info.nconns = 1;
183 init_sockets = (NewSocket *) malloc (sizeof (NewSocket));
184 init_sockets[0].faces_sent = NULL; /* unused */
185 socket_info.allocated_sockets = 1;
186 146
187 protox = getprotobyname ("tcp");
188 if (protox == NULL)
189 {
190 LOG (llevError, "init_ericserver: Error getting protox\n");
191 return;
192 }
193
194 init_sockets[0].fd = socket (PF_INET, SOCK_STREAM, protox->p_proto);
195 if (init_sockets[0].fd == -1)
196 {
197 LOG (llevError, "Cannot create socket: %s\n", strerror (errno));
198 exit (-1);
199 }
200
201 insock.sin_family = AF_INET;
202 insock.sin_port = htons (settings.csport);
203 insock.sin_addr.s_addr = htonl (INADDR_ANY);
204
205 linger_opt.l_onoff = 0;
206 linger_opt.l_linger = 0;
207 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_LINGER, (char *) &linger_opt, sizeof (struct linger)))
208 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno));
209
210 {
211 int tmp = 1;
212
213 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof (tmp)))
214 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno));
215 }
216
217 if (bind (init_sockets[0].fd, (struct sockaddr *) &insock, sizeof (insock)) == (-1))
218 {
219 LOG (llevError, "Cannot bind socket to port %d: %s\n", ntohs (insock.sin_port), strerror (errno));
220 close (init_sockets[0].fd);
221 exit (-1);
222 }
223
224 if (listen (init_sockets[0].fd, 5) == (-1))
225 {
226 LOG (llevError, "Cannot listen on socket: %s\n", strerror (errno));
227 close (init_sockets[0].fd);
228 exit (-1);
229 }
230
231 init_sockets[0].status = Ns_Add;
232 read_client_images (); 147 read_client_images ();
233} 148}
234 149
235 150
236/******************************************************************************* 151/*******************************************************************************
… …
243void 158void
244free_all_newserver (void) 159free_all_newserver (void)
245{ 160{
246 LOG (llevDebug, "Freeing all new client/server information.\n"); 161 LOG (llevDebug, "Freeing all new client/server information.\n");
247 free_socket_images (); 162 free_socket_images ();
248 free (init_sockets);
249} 163}
250 164
251/** 165/**
252 * Frees a socket. 166 * Frees a socket.
253 * 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
254 * might be associated with the socket. It is up to the caller to 168 * might be associated with the socket. It is up to the caller to
255 * update the list 169 * update the list
256 */ 170 */
257 171
258void 172void
259free_newsocket (NewSocket *ns) 173free_newsocket (client_socket *ns)
260{ 174{
175 if (ns->fd >= 0)
261 close (ns->fd); 176 close (ns->fd);
262 177
263 if (ns->stats.range) 178 if (ns->stats.range)
264 free (ns->stats.range); 179 free (ns->stats.range);
265 180
266 if (ns->stats.title) 181 if (ns->stats.title)
267 free (ns->stats.title); 182 free (ns->stats.title);
268 183
269 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;
270} 190}
271 191
272/** Sends the 'goodbye' command to the player, and closes connection. */ 192/** Sends the 'goodbye' command to the player, and closes connection. */
273void 193void
274final_free_player (player *pl) 194final_free_player (player *pl)
275{ 195{
276 pl->socket.send_packet ("goodbye"); 196 pl->socket->send_packet ("goodbye");
277 free_newsocket (&pl->socket); 197 free_newsocket (pl->socket);
278 free_player (pl); 198 free_player (pl);
279} 199}
280 200
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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