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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.14 by root, Thu Dec 14 01:21:58 2006 UTC vs.
Revision 1.19 by root, Thu Dec 14 22:45:41 2006 UTC

… …
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 <netdb.h> 42#include <netdb.h>
43 43
44#ifdef HAVE_UNISTD_H
45# include <unistd.h> 44#include <unistd.h>
46#endif
47
48#ifdef HAVE_ARPA_INET_H
49# include <arpa/inet.h> 45#include <arpa/inet.h>
50#endif
51#include <newserver.h> 46#include <newserver.h>
52 47
53Socket_Info socket_info; 48sockvec client_sockets;
54NewSocket *init_sockets;
55 49
56/** 50/**
57 * Initializes a connection. Really, it just sets up the data structure, 51 * Initializes a connection. Really, it just sets up the data structure,
58 * socket setup is handled elsewhere. We do send a version to the 52 * socket setup is handled elsewhere. We do send a version to the
59 * client. 53 * client.
60 */ 54 */
61void 55client_socket::client_socket (int fd, const char *peername)
62InitConnection (NewSocket *ns, const char *from_ip) 56: fd (fd), host (strdup (peername)),
57 socket_ev (this, &client_socket::socket_cb)
63{ 58{
59 {
60 struct linger linger_opt;
61
62 linger_opt.l_onoff = 0;
63 linger_opt.l_linger = 0;
64
65 if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger)))
66 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno));
67 }
68
69 {
64 int bufsize = 65535; /*Supposed absolute upper limit */ 70 int bufsize = 65535; /*Supposed absolute upper limit */
65 int oldbufsize; 71 int oldbufsize;
66 int buflen = sizeof (int); 72 int buflen = sizeof (int);
67 73
68 if (fcntl (ns->fd, F_SETFL, O_NONBLOCK) == -1) 74 if (fcntl (fd, F_SETFL, O_NONBLOCK) == -1)
69 LOG (llevError, "InitConnection: Error on fcntl.\n"); 75 LOG (llevError, "InitConnection: Error on fcntl.\n");
70 76
71 if (getsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen) == -1) 77 if (getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen) == -1)
72 oldbufsize = 0; 78 oldbufsize = 0;
73 79
74 if (oldbufsize < bufsize) 80 if (oldbufsize < bufsize)
75 if (setsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &bufsize, sizeof (&bufsize))) 81 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); 82 LOG (llevError, "InitConnection: setsockopt unable to set output buf size to %d\n", bufsize);
77 83
78 buflen = sizeof (oldbufsize); 84 buflen = sizeof (oldbufsize);
79 getsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); 85 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen);
80#ifdef ESRV_DEBUG 86 }
81 LOG (llevDebug, "Socket buffer size now %d bytes\n", oldbufsize);
82#endif
83 87
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; 88 mapmode = Map0Cmd;
91 ns->darkness = 1; 89 darkness = 1;
92 ns->status = Ns_Add; 90 status = Ns_Add;
93 ns->mapx = 11; 91 mapx = 11;
94 ns->mapy = 11; 92 mapy = 11;
95 ns->newmapcmd = 0;
96 ns->itemcmd = 1; /* Default is version item1 command */ 93 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 94
108 /* we should really do some checking here - if total clients overflows 95 faces_sent_len = nrofpixmaps;
109 * we need to do something more intelligent, because client id's will start 96 faces_sent = (uint8 *)calloc (nrofpixmaps, sizeof (*faces_sent));
110 * duplicating (not likely in normal cases, but malicous attacks that 97 if (!faces_sent)
111 * just open and close connections could get this total up. 98 fatal (OUT_OF_MEMORY);
112 */
113 ns->inbuf_len = 0;
114 99
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 100 /* 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 101 * this face. Face 0 is sent to the client to say clear
125 * face information. 102 * face information.
126 */ 103 */
127 ns->faces_sent[0] = NS_FACESENT_FACE; 104 faces_sent[0] = NS_FACESENT_FACE;
128 105
129 ns->outputbuffer.start = 0; 106 socket_ev.fd (fd);
130 ns->outputbuffer.len = 0;
131 ns->can_write = 1;
132 ns->password_fails = 0;
133 107
134 ns->current_map = 0; 108 // 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);
142 109
143 { 110 {
144 packet sl; 111 packet sl;
145
146 sl.printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); 112 sl.printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO);
147 Send_With_Handling (ns, &sl); 113 send_packet (sl);
114 flush ();
148 } 115 }
149 116
150#ifdef CS_LOGSTATS 117#if 0//TODO
151 if (socket_info.nconns > cst_tot.max_conn) 118 socket_info.nconns++;
152 cst_tot.max_conn = socket_info.nconns; 119 if (socket_info.nconns > cst_tot.max_conn) cst_tot.max_conn = socket_info.nconns;
153 if (socket_info.nconns > cst_lst.max_conn) 120 if (socket_info.nconns > cst_lst.max_conn) cst_lst.max_conn = socket_info.nconns;
154 cst_lst.max_conn = socket_info.nconns;
155#endif 121#endif
156} 122}
157 123
124client_socket::~client_socket ()
125{
126 status = Ns_Dead;
127}
158 128
159/** This sets up the socket and reads all the image information into memory. */ 129/** This sets up the socket and reads all the image information into memory. */
160void 130void
161init_ericserver (void) 131init_ericserver (void)
162{ 132{
163 struct sockaddr_in insock; 133 struct sockaddr_in insock;
164 struct protoent *protox;
165 struct linger linger_opt; 134 struct linger linger_opt;
166 135
167 socket_info.max_filedescriptor = sysconf (_SC_OPEN_MAX);
168
169 socket_info.timeout.tv_sec = 0;
170 socket_info.timeout.tv_usec = 0;
171 socket_info.nconns = 0;
172
173#ifdef CS_LOGSTATS
174 memset (&cst_tot, 0, sizeof (CS_Stats)); 136 memset (&cst_tot, 0, sizeof (CS_Stats));
175 memset (&cst_lst, 0, sizeof (CS_Stats)); 137 memset (&cst_lst, 0, sizeof (CS_Stats));
176 cst_tot.time_start = time (NULL); 138 cst_tot.time_start = time (NULL);
177 cst_lst.time_start = time (NULL); 139 cst_lst.time_start = time (NULL);
178#endif
179 140
180 LOG (llevDebug, "Initialize new client/server data\n"); 141 LOG (llevDebug, "Initialize new client/server data\n");
181 socket_info.nconns = 1;
182 init_sockets = (NewSocket *) malloc (sizeof (NewSocket));
183 init_sockets[0].faces_sent = NULL; /* unused */
184 socket_info.allocated_sockets = 1;
185 142
186 protox = getprotobyname ("tcp");
187 if (protox == NULL)
188 {
189 LOG (llevError, "init_ericserver: Error getting protox\n");
190 return;
191 }
192
193 init_sockets[0].fd = socket (PF_INET, SOCK_STREAM, protox->p_proto);
194 if (init_sockets[0].fd == -1)
195 {
196 LOG (llevError, "Cannot create socket: %s\n", strerror (errno));
197 exit (-1);
198 }
199
200 insock.sin_family = AF_INET;
201 insock.sin_port = htons (settings.csport);
202 insock.sin_addr.s_addr = htonl (INADDR_ANY);
203
204 linger_opt.l_onoff = 0;
205 linger_opt.l_linger = 0;
206 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_LINGER, (char *) &linger_opt, sizeof (struct linger)))
207 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno));
208
209 {
210 int tmp = 1;
211
212 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof (tmp)))
213 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno));
214 }
215
216 if (bind (init_sockets[0].fd, (struct sockaddr *) &insock, sizeof (insock)) == (-1))
217 {
218 LOG (llevError, "Cannot bind socket to port %d: %s\n", ntohs (insock.sin_port), strerror (errno));
219 close (init_sockets[0].fd);
220 exit (-1);
221 }
222
223 if (listen (init_sockets[0].fd, 5) == (-1))
224 {
225 LOG (llevError, "Cannot listen on socket: %s\n", strerror (errno));
226 close (init_sockets[0].fd);
227 exit (-1);
228 }
229
230 init_sockets[0].status = Ns_Add;
231 read_client_images (); 143 read_client_images ();
232} 144}
233 145
234 146
235/******************************************************************************* 147/*******************************************************************************
… …
242void 154void
243free_all_newserver (void) 155free_all_newserver (void)
244{ 156{
245 LOG (llevDebug, "Freeing all new client/server information.\n"); 157 LOG (llevDebug, "Freeing all new client/server information.\n");
246 free_socket_images (); 158 free_socket_images ();
247 free (init_sockets);
248} 159}
249 160
250/** 161/**
251 * Frees a socket. 162 * Frees a socket.
252 * Basically, all we need to do here is free all data structures that 163 * Basically, all we need to do here is free all data structures that
253 * might be associated with the socket. It is up to the caller to 164 * might be associated with the socket. It is up to the caller to
254 * update the list 165 * update the list
255 */ 166 */
256 167
257void 168void
258free_newsocket (NewSocket *ns) 169free_newsocket (client_socket *ns)
259{ 170{
171 if (ns->fd >= 0)
260 close (ns->fd); 172 close (ns->fd);
261 173
262 if (ns->stats.range) 174 if (ns->stats.range)
263 free (ns->stats.range); 175 free (ns->stats.range);
264 176
265 if (ns->stats.title) 177 if (ns->stats.title)
266 free (ns->stats.title); 178 free (ns->stats.title);
267 179
268 free (ns->host); 180 free (ns->host);
181
182 ns->fd = -1;
183 ns->stats.range = 0;
184 ns->stats.title = 0;
185 ns->host = 0;
269} 186}
270 187
271/** Sends the 'goodbye' command to the player, and closes connection. */ 188/** Sends the 'goodbye' command to the player, and closes connection. */
272void 189void
273final_free_player (player *pl) 190final_free_player (player *pl)
274{ 191{
275 pl->socket.send_packet ("goodbye"); 192 pl->socket->send_packet ("goodbye");
276 free_newsocket (&pl->socket); 193 free_newsocket (pl->socket);
277 free_player (pl); 194 free_player (pl);
278} 195}
279 196
197bool
198add_client_socket (int fd, const char *peername)
199{
200 if (checkbanned (NULL, peername))
201 {
202 LOG (llevInfo, "Banned host tried to connect: [%s]\n", peername);
203 return false;
204 }
205 else
206 {
207 client_socket *ns = new client_socket (dup (fd), peername);
208 client_sockets.push_back (ns);
209 return true;
210 }
211}
212

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