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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.11 by root, Wed Dec 13 02:55:51 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 */ 104
115 ns->inbuf.len = 0;
116 ns->inbuf.buf = (unsigned char *) malloc (sizeof (unsigned char) * MAXSOCKBUF);
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->inbuf.buf, 0, sizeof (unsigned char) * MAXSOCKBUF);
122 memset (&ns->lastmap, 0, sizeof (struct Map));
123 memset (ns->faces_sent, 0, ns->faces_sent_len * sizeof (*ns->faces_sent));
124 memset (&ns->anims_sent, 0, sizeof (ns->anims_sent));
125 memset (&ns->stats, 0, sizeof (struct statsinfo));
126 /* 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
127 * 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
128 * face information. 107 * face information.
129 */ 108 */
130 ns->faces_sent[0] = NS_FACESENT_FACE; 109 faces_sent[0] = NS_FACESENT_FACE;
131 110
132 ns->outputbuffer.start = 0; 111 socket_ev.fd (fd).poll (PE_W).start ();
133 ns->outputbuffer.len = 0;
134 ns->can_write = 1;
135 ns->password_fails = 0;
136 112
137 ns->current_map = 0; 113 // initialisation done, kick it!
138 ns->current_x = 0;
139 ns->current_y = 0;
140 ns->client[0] = 0;
141 ns->buggy_mapscroll = 0;
142 114
143 ns->sent_scroll = 0; 115 {
144 ns->host = strdup_local (from_ip); 116 packet sl;
145 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);
146 sl.buf = (unsigned char *) buf; 118 send_packet (sl);
147 sl.len = strlen ((char *) buf); 119 }
148 Send_With_Handling (ns, &sl); 120
149#ifdef CS_LOGSTATS 121#if 0//TODO
150 if (socket_info.nconns > cst_tot.max_conn) 122 socket_info.nconns++;
151 cst_tot.max_conn = socket_info.nconns; 123 if (socket_info.nconns > cst_tot.max_conn) cst_tot.max_conn = socket_info.nconns;
152 if (socket_info.nconns > cst_lst.max_conn) 124 if (socket_info.nconns > cst_lst.max_conn) cst_lst.max_conn = socket_info.nconns;
153 cst_lst.max_conn = socket_info.nconns;
154#endif 125#endif
155} 126}
156 127
128client_socket::~client_socket ()
129{
130 status = Ns_Dead;
131}
157 132
158/** 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. */
159void 134void
160init_ericserver (void) 135init_ericserver (void)
161{ 136{
162 struct sockaddr_in insock; 137 struct sockaddr_in insock;
163 struct protoent *protox;
164 struct linger linger_opt; 138 struct linger linger_opt;
165 139
166 socket_info.max_filedescriptor = sysconf (_SC_OPEN_MAX);
167
168 socket_info.timeout.tv_sec = 0;
169 socket_info.timeout.tv_usec = 0;
170 socket_info.nconns = 0;
171
172#ifdef CS_LOGSTATS
173 memset (&cst_tot, 0, sizeof (CS_Stats)); 140 memset (&cst_tot, 0, sizeof (CS_Stats));
174 memset (&cst_lst, 0, sizeof (CS_Stats)); 141 memset (&cst_lst, 0, sizeof (CS_Stats));
175 cst_tot.time_start = time (NULL); 142 cst_tot.time_start = time (NULL);
176 cst_lst.time_start = time (NULL); 143 cst_lst.time_start = time (NULL);
177#endif
178 144
179 LOG (llevDebug, "Initialize new client/server data\n"); 145 LOG (llevDebug, "Initialize new client/server data\n");
180 socket_info.nconns = 1;
181 init_sockets = (NewSocket *) malloc (sizeof (NewSocket));
182 init_sockets[0].faces_sent = NULL; /* unused */
183 socket_info.allocated_sockets = 1;
184 146
185 protox = getprotobyname ("tcp");
186 if (protox == NULL)
187 {
188 LOG (llevError, "init_ericserver: Error getting protox\n");
189 return;
190 }
191
192 init_sockets[0].fd = socket (PF_INET, SOCK_STREAM, protox->p_proto);
193 if (init_sockets[0].fd == -1)
194 {
195 LOG (llevError, "Cannot create socket: %s\n", strerror (errno));
196 exit (-1);
197 }
198
199 insock.sin_family = AF_INET;
200 insock.sin_port = htons (settings.csport);
201 insock.sin_addr.s_addr = htonl (INADDR_ANY);
202
203 linger_opt.l_onoff = 0;
204 linger_opt.l_linger = 0;
205 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_LINGER, (char *) &linger_opt, sizeof (struct linger)))
206 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno));
207
208 {
209 int tmp = 1;
210
211 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof (tmp)))
212 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno));
213 }
214
215 if (bind (init_sockets[0].fd, (struct sockaddr *) &insock, sizeof (insock)) == (-1))
216 {
217 LOG (llevError, "Cannot bind socket to port %d: %s\n", ntohs (insock.sin_port), strerror (errno));
218 close (init_sockets[0].fd);
219 exit (-1);
220 }
221
222 if (listen (init_sockets[0].fd, 5) == (-1))
223 {
224 LOG (llevError, "Cannot listen on socket: %s\n", strerror (errno));
225 close (init_sockets[0].fd);
226 exit (-1);
227 }
228
229 init_sockets[0].status = Ns_Add;
230 read_client_images (); 147 read_client_images ();
231} 148}
232 149
233 150
234/******************************************************************************* 151/*******************************************************************************
… …
241void 158void
242free_all_newserver (void) 159free_all_newserver (void)
243{ 160{
244 LOG (llevDebug, "Freeing all new client/server information.\n"); 161 LOG (llevDebug, "Freeing all new client/server information.\n");
245 free_socket_images (); 162 free_socket_images ();
246 free (init_sockets);
247} 163}
248 164
249/** 165/**
250 * Frees a socket. 166 * Frees a socket.
251 * 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
252 * 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
253 * update the list 169 * update the list
254 */ 170 */
255 171
256void 172void
257free_newsocket (NewSocket *ns) 173free_newsocket (client_socket *ns)
258{ 174{
175 if (ns->fd >= 0)
259 close (ns->fd); 176 close (ns->fd);
260 177
261 if (ns->stats.range) 178 if (ns->stats.range)
262 free (ns->stats.range); 179 free (ns->stats.range);
263 180
264 if (ns->stats.title) 181 if (ns->stats.title)
265 free (ns->stats.title); 182 free (ns->stats.title);
266 183
267 free (ns->host); 184 free (ns->host);
268 free (ns->inbuf.buf); 185
186 ns->fd = -1;
187 ns->stats.range = 0;
188 ns->stats.title = 0;
189 ns->host = 0;
269} 190}
270 191
271/** Sends the 'goodbye' command to the player, and closes connection. */ 192/** Sends the 'goodbye' command to the player, and closes connection. */
272void 193void
273final_free_player (player *pl) 194final_free_player (player *pl)
274{ 195{
275 cs_write_string (&pl->socket, "goodbye", 8); 196 pl->socket->send_packet ("goodbye");
276 free_newsocket (&pl->socket); 197 free_newsocket (pl->socket);
277 free_player (pl); 198 free_player (pl);
278} 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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