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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.12 by root, Thu Dec 14 00:01:35 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 SockList sl; 64 {
65 char buf[256]; 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 {
66 int bufsize = 65535; /*Supposed absolute upper limit */ 75 int bufsize = 65535; /*Supposed absolute upper limit */
67 int oldbufsize; 76 int oldbufsize;
68 int buflen = sizeof (int); 77 int buflen = sizeof (int);
69 78
70 if (fcntl (ns->fd, F_SETFL, O_NONBLOCK) == -1) 79 if (fcntl (fd, F_SETFL, O_NONBLOCK) == -1)
71 LOG (llevError, "InitConnection: Error on fcntl.\n"); 80 LOG (llevError, "InitConnection: Error on fcntl.\n");
72 81
73 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)
74 oldbufsize = 0; 83 oldbufsize = 0;
75 84
76 if (oldbufsize < bufsize) 85 if (oldbufsize < bufsize)
77 if (setsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &bufsize, sizeof (&bufsize))) 86 if (setsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &bufsize, sizeof (&bufsize)))
78 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);
79 88
80 buflen = sizeof (oldbufsize); 89 buflen = sizeof (oldbufsize);
81 getsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); 90 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen);
82#ifdef ESRV_DEBUG 91 }
83 LOG (llevDebug, "Socket buffer size now %d bytes\n", oldbufsize);
84#endif
85 92
86 ns->faceset = 0;
87 ns->facecache = 0;
88 ns->image2 = 0;
89 ns->sound = 0;
90 ns->exp64 = 0;
91 ns->monitor_spells = 0;
92 ns->mapmode = Map0Cmd; 93 mapmode = Map0Cmd;
93 ns->darkness = 1; 94 darkness = 1;
94 ns->status = Ns_Add; 95 status = Ns_Add;
95 ns->mapx = 11; 96 mapx = 11;
96 ns->mapy = 11; 97 mapy = 11;
97 ns->newmapcmd = 0;
98 ns->itemcmd = 1; /* Default is version item1 command */ 98 itemcmd = 1; /* Default is version item1 command */
99 ns->ext_mapinfos = 0; /*extendedmapinfo datas */
100 ns->EMI_smooth = 0;
101 ns->look_position = 0;
102 ns->update_look = 0;
103 ns->has_readable_type = 0;
104 ns->supported_readables = 0;
105 ns->monitor_spells = 0;
106 ns->mapinfocmd = 0;
107 ns->extcmd = 0;
108 ns->extmap = 0;
109 99
110 /* we should really do some checking here - if total clients overflows 100 faces_sent_len = nrofpixmaps;
111 * we need to do something more intelligent, because client id's will start 101 faces_sent = (uint8 *)calloc (nrofpixmaps, sizeof (*faces_sent));
112 * duplicating (not likely in normal cases, but malicous attacks that 102 if (!faces_sent)
113 * just open and close connections could get this total up. 103 fatal (OUT_OF_MEMORY);
114 */
115 ns->inbuf_len = 0;
116 104
117 /* Basic initialization. Needed because we do a check in
118 * HandleClient for oldsocketmode without checking the
119 * length of data.
120 */
121 memset (&ns->lastmap, 0, sizeof (struct Map));
122 memset (ns->faces_sent, 0, ns->faces_sent_len * sizeof (*ns->faces_sent));
123 memset (&ns->anims_sent, 0, sizeof (ns->anims_sent));
124 memset (&ns->stats, 0, sizeof (struct statsinfo));
125 /* 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
126 * 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
127 * face information. 107 * face information.
128 */ 108 */
129 ns->faces_sent[0] = NS_FACESENT_FACE; 109 faces_sent[0] = NS_FACESENT_FACE;
130 110
131 ns->outputbuffer.start = 0; 111 socket_ev.fd (fd).poll (PE_W).start ();
132 ns->outputbuffer.len = 0;
133 ns->can_write = 1;
134 ns->password_fails = 0;
135 112
136 ns->current_map = 0; 113 // initialisation done, kick it!
137 ns->current_x = 0;
138 ns->current_y = 0;
139 ns->client[0] = 0;
140 ns->buggy_mapscroll = 0;
141 114
142 ns->sent_scroll = 0; 115 {
143 ns->host = strdup_local (from_ip); 116 packet sl;
144 sprintf ((char *) buf, "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);
145 sl.buf = (unsigned char *) buf; 118 send_packet (sl);
146 sl.len = strlen ((char *) buf); 119 }
147 Send_With_Handling (ns, &sl); 120
148#ifdef CS_LOGSTATS 121#if 0//TODO
149 if (socket_info.nconns > cst_tot.max_conn) 122 socket_info.nconns++;
150 cst_tot.max_conn = socket_info.nconns; 123 if (socket_info.nconns > cst_tot.max_conn) cst_tot.max_conn = socket_info.nconns;
151 if (socket_info.nconns > cst_lst.max_conn) 124 if (socket_info.nconns > cst_lst.max_conn) cst_lst.max_conn = socket_info.nconns;
152 cst_lst.max_conn = socket_info.nconns;
153#endif 125#endif
154} 126}
155 127
128client_socket::~client_socket ()
129{
130 status = Ns_Dead;
131}
156 132
157/** 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. */
158void 134void
159init_ericserver (void) 135init_ericserver (void)
160{ 136{
161 struct sockaddr_in insock; 137 struct sockaddr_in insock;
162 struct protoent *protox;
163 struct linger linger_opt; 138 struct linger linger_opt;
164 139
165 socket_info.max_filedescriptor = sysconf (_SC_OPEN_MAX);
166
167 socket_info.timeout.tv_sec = 0;
168 socket_info.timeout.tv_usec = 0;
169 socket_info.nconns = 0;
170
171#ifdef CS_LOGSTATS
172 memset (&cst_tot, 0, sizeof (CS_Stats)); 140 memset (&cst_tot, 0, sizeof (CS_Stats));
173 memset (&cst_lst, 0, sizeof (CS_Stats)); 141 memset (&cst_lst, 0, sizeof (CS_Stats));
174 cst_tot.time_start = time (NULL); 142 cst_tot.time_start = time (NULL);
175 cst_lst.time_start = time (NULL); 143 cst_lst.time_start = time (NULL);
176#endif
177 144
178 LOG (llevDebug, "Initialize new client/server data\n"); 145 LOG (llevDebug, "Initialize new client/server data\n");
179 socket_info.nconns = 1;
180 init_sockets = (NewSocket *) malloc (sizeof (NewSocket));
181 init_sockets[0].faces_sent = NULL; /* unused */
182 socket_info.allocated_sockets = 1;
183 146
184 protox = getprotobyname ("tcp");
185 if (protox == NULL)
186 {
187 LOG (llevError, "init_ericserver: Error getting protox\n");
188 return;
189 }
190
191 init_sockets[0].fd = socket (PF_INET, SOCK_STREAM, protox->p_proto);
192 if (init_sockets[0].fd == -1)
193 {
194 LOG (llevError, "Cannot create socket: %s\n", strerror (errno));
195 exit (-1);
196 }
197
198 insock.sin_family = AF_INET;
199 insock.sin_port = htons (settings.csport);
200 insock.sin_addr.s_addr = htonl (INADDR_ANY);
201
202 linger_opt.l_onoff = 0;
203 linger_opt.l_linger = 0;
204 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_LINGER, (char *) &linger_opt, sizeof (struct linger)))
205 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno));
206
207 {
208 int tmp = 1;
209
210 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof (tmp)))
211 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno));
212 }
213
214 if (bind (init_sockets[0].fd, (struct sockaddr *) &insock, sizeof (insock)) == (-1))
215 {
216 LOG (llevError, "Cannot bind socket to port %d: %s\n", ntohs (insock.sin_port), strerror (errno));
217 close (init_sockets[0].fd);
218 exit (-1);
219 }
220
221 if (listen (init_sockets[0].fd, 5) == (-1))
222 {
223 LOG (llevError, "Cannot listen on socket: %s\n", strerror (errno));
224 close (init_sockets[0].fd);
225 exit (-1);
226 }
227
228 init_sockets[0].status = Ns_Add;
229 read_client_images (); 147 read_client_images ();
230} 148}
231 149
232 150
233/******************************************************************************* 151/*******************************************************************************
… …
240void 158void
241free_all_newserver (void) 159free_all_newserver (void)
242{ 160{
243 LOG (llevDebug, "Freeing all new client/server information.\n"); 161 LOG (llevDebug, "Freeing all new client/server information.\n");
244 free_socket_images (); 162 free_socket_images ();
245 free (init_sockets);
246} 163}
247 164
248/** 165/**
249 * Frees a socket. 166 * Frees a socket.
250 * 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
251 * 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
252 * update the list 169 * update the list
253 */ 170 */
254 171
255void 172void
256free_newsocket (NewSocket *ns) 173free_newsocket (client_socket *ns)
257{ 174{
175 if (ns->fd >= 0)
258 close (ns->fd); 176 close (ns->fd);
259 177
260 if (ns->stats.range) 178 if (ns->stats.range)
261 free (ns->stats.range); 179 free (ns->stats.range);
262 180
263 if (ns->stats.title) 181 if (ns->stats.title)
264 free (ns->stats.title); 182 free (ns->stats.title);
265 183
266 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;
267} 190}
268 191
269/** Sends the 'goodbye' command to the player, and closes connection. */ 192/** Sends the 'goodbye' command to the player, and closes connection. */
270void 193void
271final_free_player (player *pl) 194final_free_player (player *pl)
272{ 195{
273 cs_write_string (&pl->socket, "goodbye", 8); 196 pl->socket->send_packet ("goodbye");
274 free_newsocket (&pl->socket); 197 free_newsocket (pl->socket);
275 free_player (pl); 198 free_player (pl);
276} 199}
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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