1 | |
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2 | /* |
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3 | * static char *rcsid_loop_c = |
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4 | * "$Id: loop.C,v 1.5 2006/09/09 21:48:29 root Exp $"; |
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5 | */ |
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6 | |
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7 | /* |
1 | /* |
8 | CrossFire, A Multiplayer game for X-windows |
2 | CrossFire, A Multiplayer game for X-windows |
9 | |
3 | |
10 | Copyright (C) 2002-2003 Mark Wedel & The Crossfire Development Team |
4 | Copyright (C) 2002-2003 Mark Wedel & The Crossfire Development Team |
11 | Copyright (C) 1992 Frank Tore Johansen |
5 | Copyright (C) 1992 Frank Tore Johansen |
… | |
… | |
22 | |
16 | |
23 | You should have received a copy of the GNU General Public License |
17 | You should have received a copy of the GNU General Public License |
24 | along with this program; if not, write to the Free Software |
18 | along with this program; if not, write to the Free Software |
25 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
26 | |
20 | |
27 | The author can be reached via e-mail to crossfire-devel@real-time.com |
21 | The author can be reached via e-mail to <crossfire@schmorp.de> |
28 | */ |
22 | */ |
29 | |
23 | |
30 | /** |
24 | /** |
31 | * \file |
25 | * \file |
32 | * Main client/server loops. |
26 | * Main client/server loops. |
… | |
… | |
38 | * The reading of data is handled in ericserver.c |
32 | * The reading of data is handled in ericserver.c |
39 | */ |
33 | */ |
40 | |
34 | |
41 | |
35 | |
42 | #include <global.h> |
36 | #include <global.h> |
43 | #ifndef __CEXTRACT__ |
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44 | #include <sproto.h> |
37 | #include <sproto.h> |
45 | #include <sockproto.h> |
38 | #include <sockproto.h> |
46 | #endif |
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47 | |
39 | |
48 | #ifndef WIN32 /* ---win32 exclude unix headers */ |
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49 | #include <sys/types.h> |
40 | #include <sys/types.h> |
50 | #include <sys/time.h> |
41 | #include <sys/time.h> |
51 | #include <sys/socket.h> |
42 | #include <sys/socket.h> |
52 | #include <netinet/in.h> |
43 | #include <netinet/in.h> |
53 | #include <netdb.h> |
44 | #include <netdb.h> |
54 | #endif /* end win32 */ |
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55 | |
45 | |
56 | #ifdef HAVE_UNISTD_H |
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57 | #include <unistd.h> |
46 | #include <unistd.h> |
58 | #endif |
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59 | |
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60 | #ifdef HAVE_ARPA_INET_H |
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61 | #include <arpa/inet.h> |
47 | #include <arpa/inet.h> |
62 | #endif |
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63 | |
48 | |
64 | #include <loader.h> |
49 | #include <loader.h> |
65 | #include <newserver.h> |
50 | #include <newserver.h> |
66 | |
51 | |
67 | /***************************************************************************** |
52 | /***************************************************************************** |
… | |
… | |
75 | * before player joins, and those happen after the player has joined. |
60 | * before player joins, and those happen after the player has joined. |
76 | * As such, we have function types that might be called, so |
61 | * As such, we have function types that might be called, so |
77 | * we end up having 2 tables. |
62 | * we end up having 2 tables. |
78 | */ |
63 | */ |
79 | |
64 | |
80 | typedef void (*func_uint8_int_ns) (char*, int, NewSocket *); |
65 | typedef void (*func_uint8_int_ns) (char *, int, client_socket *); |
81 | |
66 | |
82 | struct NsCmdMapping { |
67 | struct NsCmdMapping |
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68 | { |
83 | const char *cmdname; |
69 | const char *cmdname; |
84 | func_uint8_int_ns cmdproc; |
70 | func_uint8_int_ns cmdproc; |
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71 | uint8 flag; |
85 | }; |
72 | }; |
86 | |
73 | |
87 | typedef void (*func_uint8_int_pl)(char*, int, player *); |
74 | typedef void (*func_uint8_int_pl) (char *, int, player *); |
88 | struct PlCmdMapping { |
75 | struct PlCmdMapping |
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|
76 | { |
89 | const char *cmdname; |
77 | const char *cmdname; |
90 | func_uint8_int_pl cmdproc; |
78 | func_uint8_int_pl cmdproc; |
91 | uint8 flag; |
79 | uint8 flag; |
92 | }; |
80 | }; |
93 | |
81 | |
94 | /** |
82 | /** |
95 | * Dispatch table for the server. |
83 | * Dispatch table for the server. |
96 | * |
84 | * |
… | |
… | |
103 | * to cast it here instead of a bunch of times in the function itself. |
91 | * to cast it here instead of a bunch of times in the function itself. |
104 | * flag is 1 if the player must be in the playing state to issue the |
92 | * flag is 1 if the player must be in the playing state to issue the |
105 | * command, 0 if they can issue it at any time. |
93 | * command, 0 if they can issue it at any time. |
106 | */ |
94 | */ |
107 | static struct PlCmdMapping plcommands[] = { |
95 | static struct PlCmdMapping plcommands[] = { |
108 | { "examine", ExamineCmd, 1}, |
96 | {"examine", ExamineCmd, 1}, |
109 | { "apply", ApplyCmd, 1}, |
97 | {"apply", ApplyCmd, 1}, |
110 | { "move", MoveCmd, 1}, |
98 | {"move", MoveCmd, 1}, |
111 | { "reply", ReplyCmd, 0}, |
99 | {"reply", ReplyCmd, 0}, |
112 | { "command", PlayerCmd, 1}, |
100 | {"command", PlayerCmd, 1}, |
113 | { "ncom", (func_uint8_int_pl)NewPlayerCmd, 1}, |
101 | {"ncom", (func_uint8_int_pl) NewPlayerCmd, 1}, |
114 | { "lookat", LookAt, 1}, |
102 | {"lookat", LookAt, 1}, |
115 | { "lock", (func_uint8_int_pl)LockItem, 1}, |
103 | {"lock", (func_uint8_int_pl) LockItem, 1}, |
116 | { "mark", (func_uint8_int_pl)MarkItem, 1}, |
104 | {"mark", (func_uint8_int_pl) MarkItem, 1}, |
117 | { "mapredraw", MapRedrawCmd, 0}, /* Added: phil */ |
105 | {"mapredraw", MapRedrawCmd, 0}, /* Added: phil */ |
118 | { "mapinfo", MapInfoCmd, 2}, /* CF+ */ |
106 | {"mapinfo", MapInfoCmd, 2}, /* CF+ */ |
119 | { "ext", ExtCmd, 2}, /* CF+ */ |
107 | {"ext", ExtCmd, 2}, /* CF+ */ |
120 | { NULL, NULL, 0} /* terminator */ |
108 | { 0 } /* terminator */ |
121 | }; |
109 | }; |
122 | |
110 | |
123 | /** Face-related commands */ |
111 | /** Face-related commands */ |
124 | static struct NsCmdMapping nscommands[] = { |
112 | static struct NsCmdMapping nscommands[] = { |
125 | { "addme", AddMeCmd }, |
113 | {"addme", AddMeCmd, 2}, |
126 | { "askface", SendFaceCmd}, /* Added: phil */ |
114 | {"askface", SendFaceCmd}, /* Added: phil */ |
127 | { "requestinfo", RequestInfo}, |
115 | {"requestinfo", RequestInfo}, |
128 | { "setfacemode", SetFaceMode}, |
116 | {"setfacemode", SetFaceMode, 2}, |
129 | { "setsound", SetSound}, |
117 | {"setsound", SetSound, 2}, |
130 | { "setup", SetUp}, |
118 | {"setup", SetUp, 2}, |
131 | { "version", VersionCmd }, |
119 | {"version", VersionCmd, 2}, |
132 | { "toggleextendedinfos", ToggleExtendedInfos}, /*Added: tchize*/ |
120 | {"toggleextendedinfos", ToggleExtendedInfos, 2}, /*Added: tchize */ |
133 | { "toggleextendedtext", ToggleExtendedText}, /*Added: tchize*/ |
121 | {"toggleextendedtext", ToggleExtendedText, 2}, /*Added: tchize */ |
134 | { "asksmooth", AskSmooth}, /*Added: tchize (smoothing technologies)*/ |
122 | {"asksmooth", AskSmooth}, /*Added: tchize (smoothing technologies) */ |
135 | { NULL, NULL} /* terminator (I, II & III)*/ |
123 | { 0 } /* terminator (I, II & III) */ |
136 | }; |
124 | }; |
137 | |
125 | |
138 | /** |
126 | /** |
139 | * RequestInfo is sort of a meta command. There is some specific |
127 | * RequestInfo is sort of a meta command. There is some specific |
140 | * request of information, but we call other functions to provide |
128 | * request of information, but we call other functions to provide |
141 | * that information. |
129 | * that information. |
142 | */ |
130 | */ |
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131 | void |
143 | void RequestInfo(char *buf, int len, NewSocket *ns) |
132 | RequestInfo (char *buf, int len, client_socket * ns) |
144 | { |
133 | { |
145 | char *params=NULL, *cp; |
134 | char *params = NULL, *cp; |
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135 | |
146 | /* No match */ |
136 | /* No match */ |
147 | char bigbuf[MAX_BUF]; |
137 | char bigbuf[MAX_BUF]; |
148 | int slen; |
138 | int slen; |
149 | |
139 | |
150 | /* Set up replyinfo before we modify any of the buffers - this is used |
140 | /* Set up replyinfo before we modify any of the buffers - this is used |
151 | * if we don't find a match. |
141 | * if we don't find a match. |
152 | */ |
142 | */ |
153 | strcpy(bigbuf,"replyinfo "); |
143 | strcpy (bigbuf, "replyinfo "); |
154 | slen = strlen(bigbuf); |
144 | slen = strlen (bigbuf); |
155 | safe_strcat(bigbuf, buf, &slen, MAX_BUF); |
145 | safe_strcat (bigbuf, buf, &slen, MAX_BUF); |
156 | |
146 | |
157 | /* find the first space, make it null, and update the |
147 | /* find the first space, make it null, and update the |
158 | * params pointer. |
148 | * params pointer. |
159 | */ |
149 | */ |
160 | for (cp = buf; *cp != '\0'; cp++) |
150 | for (cp = buf; *cp != '\0'; cp++) |
161 | if (*cp==' ') { |
151 | if (*cp == ' ') |
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152 | { |
162 | *cp = '\0'; |
153 | *cp = '\0'; |
163 | params = cp + 1; |
154 | params = cp + 1; |
164 | break; |
155 | break; |
165 | } |
156 | } |
166 | if (!strcmp(buf, "image_info")) send_image_info(ns, params); |
157 | |
167 | else if (!strcmp(buf,"image_sums")) send_image_sums(ns, params); |
158 | if (!strcmp (buf, "image_info")) |
168 | else if (!strcmp(buf,"skill_info")) send_skill_info(ns, params); |
159 | send_image_info (ns, params); |
169 | else if (!strcmp(buf,"spell_paths")) send_spell_paths(ns, params); |
160 | else if (!strcmp (buf, "image_sums")) |
170 | else Write_String_To_Socket(ns, bigbuf, len); |
161 | send_image_sums (ns, params); |
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162 | else if (!strcmp (buf, "skill_info")) |
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163 | send_skill_info (ns, params); |
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164 | else if (!strcmp (buf, "spell_paths")) |
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165 | send_spell_paths (ns, params); |
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166 | else |
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167 | ns->send_packet (bigbuf, len); |
171 | } |
168 | } |
172 | |
169 | |
173 | /** |
170 | /** |
174 | * Handle client input. |
171 | * Handle client input. |
175 | * |
172 | * |
… | |
… | |
178 | * sock is the output socket information. pl is the player associated |
175 | * sock is the output socket information. pl is the player associated |
179 | * with this socket, null if no player (one of the init_sockets for just |
176 | * with this socket, null if no player (one of the init_sockets for just |
180 | * starting a connection) |
177 | * starting a connection) |
181 | */ |
178 | */ |
182 | |
179 | |
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180 | void |
183 | void HandleClient(NewSocket *ns, player *pl) |
181 | HandleClient (client_socket *ns, player *pl) |
184 | { |
182 | { |
185 | int len=0,i,cnt; |
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186 | char *data; |
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187 | |
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188 | /* Loop through this - maybe we have several complete packets here. */ |
183 | /* Loop through this - maybe we have several complete packets here. */ |
189 | // limit to a few commands only, though, as to not monopolise the server |
184 | // limit to a few commands only, though, as to not monopolise the server |
190 | for (cnt = 16; cnt--; ) { |
185 | for (int repeat = 16; repeat--;) |
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186 | { |
191 | /* If it is a player, and they don't have any speed left, we |
187 | /* If it is a player, and they don't have any speed left, we |
192 | * return, and will read in the data when they do have time. |
188 | * return, and will read in the data when they do have time. |
193 | */ |
189 | */ |
194 | if (pl && pl->state==ST_PLAYING && pl->ob != NULL && pl->ob->speed_left < 0) { |
190 | if (pl && pl->state == ST_PLAYING && pl->ob && pl->ob->speed_left < 0) |
195 | return; |
191 | return; |
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192 | |
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193 | int pkt_len = ns->read_packet (); |
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194 | |
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195 | if (pkt_len < 0) |
196 | } |
196 | { |
197 | |
197 | LOG (llevError, "read error on player %s\n", &pl->ob->name); |
198 | i=SockList_ReadPacket(ns->fd, &ns->inbuf, MAXSOCKBUF-1); |
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199 | |
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200 | if (i<0) { |
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201 | #ifdef ESRV_DEBUG |
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202 | LOG(llevDebug,"HandleClient: Read error on connection player %s\n", (pl?pl->ob->name:"None")); |
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203 | #endif |
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204 | /* Caller will take care of cleaning this up */ |
198 | /* Caller will take care of cleaning this up */ |
205 | ns->status =Ns_Dead; |
199 | ns->status = Ns_Dead; |
206 | return; |
200 | return; |
207 | } |
201 | } |
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202 | else if (pkt_len == 0) |
208 | /* Still dont have a full packet */ |
203 | /* Still dont have a full packet */ |
209 | if (i==0) return; |
204 | return; |
210 | |
205 | |
211 | // //D//TODO//temporarily log long commands |
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212 | // if (ns->inbuf.len >= 40 && pl && pl->ob) |
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213 | // LOG (llevDebug, "HandleClient: long comamnd from <%s,%s> %d<%s>\n", pl->ob->name, ns->host, ns->inbuf.len, ns->inbuf.buf + 2); |
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214 | |
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215 | /* First, break out beginning word. There are at least |
206 | /* First, break out beginning word. There are at least |
216 | * a few commands that do not have any paremeters. If |
207 | * a few commands that do not have any paremeters. If |
217 | * we get such a command, don't worry about trying |
208 | * we get such a command, don't worry about trying |
218 | * to break it up. |
209 | * to break it up. |
219 | */ |
210 | */ |
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211 | int datalen; |
220 | data = (char *)strchr((char*)ns->inbuf.buf +2, ' '); |
212 | char *data = strchr ((char *)ns->inbuf + 2, ' '); |
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213 | |
221 | if (data) { |
214 | if (data) |
222 | *data='\0'; |
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223 | data++; |
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224 | len = ns->inbuf.len - (data - (char*)ns->inbuf.buf); |
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225 | } |
215 | { |
226 | else len=0; |
216 | *data++ = 0; |
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217 | datalen = pkt_len - (data - (char *)ns->inbuf); |
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218 | } |
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219 | else |
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220 | { |
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221 | data = (char *)ns->inbuf + 2; // better read garbage than segfault |
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222 | datalen = 0; |
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223 | } |
227 | |
224 | |
228 | ns->inbuf.buf[ns->inbuf.len]='\0'; /* Terminate buffer - useful for string data */ |
225 | ns->inbuf [pkt_len] = 0; /* Terminate buffer - useful for string data */ |
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226 | |
229 | for (i=0; nscommands[i].cmdname !=NULL; i++) { |
227 | for (int i = 0; nscommands[i].cmdname; i++) |
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228 | { |
230 | if (strcmp((char*)ns->inbuf.buf+2,nscommands[i].cmdname)==0) { |
229 | if (!strcmp ((char *)ns->inbuf + 2, nscommands[i].cmdname)) |
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230 | { |
231 | nscommands[i].cmdproc((char*)data,len,ns); |
231 | nscommands[i].cmdproc (data, datalen, ns); |
232 | ns->inbuf.len=0; |
232 | ns->skip_packet (pkt_len); |
233 | return;//D// not doing this causes random memory corruption |
233 | //D// not doing this causes random memory corruption |
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234 | if (nscommands[i].flag & 2) |
234 | goto next_packet; |
235 | goto next_packet; |
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236 | return; |
235 | } |
237 | } |
236 | } |
238 | } |
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239 | |
237 | /* Player must be in the playing state or the flag on the |
240 | /* Player must be in the playing state or the flag on the |
238 | * the command must be zero for the user to use the command - |
241 | * the command must be zero for the user to use the command - |
239 | * otherwise, a player cam save, be in the play_again state, and |
242 | * otherwise, a player cam save, be in the play_again state, and |
240 | * the map they were on gets swapped out, yet things that try to look |
243 | * the map they were on gets swapped out, yet things that try to look |
241 | * at the map causes a crash. If the command is valid, but |
244 | * at the map causes a crash. If the command is valid, but |
242 | * one they can't use, we still swallow it up. |
245 | * one they can't use, we still swallow it up. |
243 | */ |
246 | */ |
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247 | if (pl) |
244 | if (pl) for (i=0; plcommands[i].cmdname !=NULL; i++) { |
248 | for (int i = 0; plcommands[i].cmdname; i++) |
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249 | { |
245 | if (strcmp((char*)ns->inbuf.buf+2,plcommands[i].cmdname)==0) { |
250 | if (!strcmp ((char *)ns->inbuf + 2, plcommands[i].cmdname)) |
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251 | { |
246 | if (pl->state == ST_PLAYING || !(plcommands[i].flag & 1)) |
252 | if (pl->state == ST_PLAYING || !(plcommands[i].flag & 1)) |
247 | plcommands[i].cmdproc((char*)data,len,pl); |
253 | plcommands[i].cmdproc ((char *) data, datalen, pl); |
248 | ns->inbuf.len=0; |
254 | |
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255 | ns->skip_packet (pkt_len); |
249 | //D// not doing this causes random memory corruption |
256 | //D// not doing this causes random memory corruption |
250 | if (plcommands[i].flag & 2) |
257 | if (plcommands[i].flag & 2) |
251 | goto next_packet; |
258 | goto next_packet; |
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259 | |
252 | return; |
260 | return; |
253 | } |
261 | } |
254 | } |
262 | } |
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263 | |
255 | /* If we get here, we didn't find a valid command. Logging |
264 | /* If we get here, we didn't find a valid command. Logging |
256 | * this might be questionable, because a broken client/malicious |
265 | * this might be questionable, because a broken client/malicious |
257 | * user could certainly send a whole bunch of invalid commands. |
266 | * user could certainly send a whole bunch of invalid commands. |
258 | */ |
267 | */ |
259 | LOG(llevDebug,"Bad command from client (%s)\n",ns->inbuf.buf+2); |
268 | LOG (llevDebug, "Bad command from client (%s)\n", ns->inbuf + 2); |
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269 | ns->skip_packet (pkt_len); |
260 | next_packet: |
270 | next_packet: |
261 | ; |
271 | ; |
262 | } |
272 | } |
263 | } |
273 | } |
264 | |
274 | |
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275 | void |
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276 | flush_sockets (void) |
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277 | { |
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278 | for (sockvec::iterator i = client_sockets.begin (); i != client_sockets.end (); ++i) |
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279 | if ((*i)->status != Ns_Dead) |
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280 | (*i)->flush (); |
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281 | } |
265 | |
282 | |
266 | /***************************************************************************** |
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267 | * |
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268 | * Low level socket looping - select calls and watchdog udp packet |
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269 | * sending. |
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270 | * |
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271 | ******************************************************************************/ |
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272 | |
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273 | #ifdef WATCHDOG |
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274 | /** |
283 | /** |
275 | * Tell watchdog that we are still alive |
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276 | * |
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277 | * I put the function here since we should hopefully already be getting |
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278 | * all the needed include files for socket support |
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279 | */ |
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280 | |
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281 | void watchdog(void) |
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282 | { |
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283 | static int fd=-1; |
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284 | static struct sockaddr_in insock; |
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285 | |
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286 | if (fd==-1) |
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287 | { |
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288 | struct protoent *protoent; |
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289 | |
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290 | if ((protoent=getprotobyname("udp"))==NULL || |
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291 | (fd=socket(PF_INET, SOCK_DGRAM, protoent->p_proto))==-1) |
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292 | { |
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293 | return; |
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294 | } |
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295 | insock.sin_family=AF_INET; |
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296 | insock.sin_port=htons((unsigned short)13325); |
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297 | insock.sin_addr.s_addr=inet_addr("127.0.0.1"); |
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298 | } |
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299 | sendto(fd,(void *)&fd,1,0,(struct sockaddr *)&insock,sizeof(insock)); |
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300 | } |
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301 | #endif |
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302 | |
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303 | void flush_sockets(void) |
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304 | { |
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305 | player *pl; |
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306 | |
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307 | for (pl = first_player; pl != NULL; pl = pl->next) |
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308 | if (pl->socket.status != Ns_Dead) |
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309 | Socket_Flush (&pl->socket); |
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310 | } |
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311 | |
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312 | /** |
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313 | * This checks the sockets for input and exceptions, does the right thing. |
284 | * This checks the sockets for input, does the right thing. |
314 | * |
285 | * |
315 | * A bit of this code is grabbed out of socket.c |
286 | * A bit of this code is grabbed out of socket.c |
316 | * There are 2 lists we need to look through - init_sockets is a list |
287 | * There are 2 lists we need to look through - init_sockets is a list |
317 | * |
288 | * |
318 | */ |
289 | */ |
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290 | void |
319 | void doeric_server(void) |
291 | doeric_server (void) |
320 | { |
292 | { |
321 | int i, pollret; |
293 | int i, pollret; |
322 | fd_set tmp_read, tmp_exceptions, tmp_write; |
294 | fd_set tmp_read; |
323 | struct sockaddr_in addr; |
295 | struct sockaddr_in addr; |
324 | socklen_t addrlen=sizeof(struct sockaddr); |
296 | socklen_t addrlen = sizeof (struct sockaddr); |
325 | player *pl, *next; |
297 | player *pl, *next; |
|
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298 | int maxfd = 0; |
326 | |
299 | |
327 | #ifdef CS_LOGSTATS |
300 | #ifdef CS_LOGSTATS |
328 | if ((time(NULL)-cst_lst.time_start)>=CS_LOGTIME) |
301 | if ((time (NULL) - cst_lst.time_start) >= CS_LOGTIME) |
329 | write_cs_stats(); |
302 | write_cs_stats (); |
330 | #endif |
303 | #endif |
331 | |
304 | |
332 | FD_ZERO(&tmp_read); |
305 | /* Go through the players. Let the loop set the next pl value, |
333 | FD_ZERO(&tmp_write); |
306 | * since we may remove some |
334 | FD_ZERO(&tmp_exceptions); |
307 | */ |
|
|
308 | //TODO: must be handled cleanly elsewhere |
|
|
309 | for (pl = first_player; pl; ) |
|
|
310 | { |
|
|
311 | player *npl = pl->next; |
335 | |
312 | |
336 | for(i=0;i<socket_info.allocated_sockets;i++) { |
313 | //TODO: must be handled cleanly elsewhere |
337 | if (init_sockets[i].status == Ns_Dead) { |
314 | if (pl->socket->status == Ns_Dead) |
338 | free_newsocket(&init_sockets[i]); |
|
|
339 | init_sockets[i].status = Ns_Avail; |
|
|
340 | socket_info.nconns--; |
|
|
341 | } else if (init_sockets[i].status != Ns_Avail){ |
|
|
342 | FD_SET((uint32)init_sockets[i].fd, &tmp_read); |
|
|
343 | FD_SET((uint32)init_sockets[i].fd, &tmp_write); |
|
|
344 | FD_SET((uint32)init_sockets[i].fd, &tmp_exceptions); |
|
|
345 | } |
315 | { |
|
|
316 | save_player (pl->ob, 0); |
|
|
317 | |
|
|
318 | if (!QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
|
|
319 | { |
|
|
320 | terminate_all_pets (pl->ob); |
|
|
321 | pl->ob->remove (); |
|
|
322 | } |
|
|
323 | |
|
|
324 | leave (pl, 1); |
|
|
325 | final_free_player (pl); |
|
|
326 | } |
|
|
327 | |
|
|
328 | pl = npl; |
346 | } |
329 | } |
347 | |
330 | |
348 | /* Go through the players. Let the loop set the next pl value, |
331 | FD_ZERO (&tmp_read); |
349 | * since we may remove some |
332 | |
350 | */ |
333 | for (sockvec::iterator i = client_sockets.begin (); i != client_sockets.end (); ) |
351 | for (pl=first_player; pl!=NULL; ) { |
334 | { |
|
|
335 | client_socket *s = *i; |
|
|
336 | |
352 | if (pl->socket.status == Ns_Dead) { |
337 | if (s->status == Ns_Dead) |
353 | player *npl=pl->next; |
338 | { |
|
|
339 | client_sockets.erase (i); |
|
|
340 | delete s; |
|
|
341 | } |
|
|
342 | else |
|
|
343 | { |
|
|
344 | if (s->fd > maxfd) maxfd = s->fd; |
354 | |
345 | |
355 | save_player(pl->ob, 0); |
346 | FD_SET (s->fd, &tmp_read); |
356 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
347 | |
357 | terminate_all_pets(pl->ob); |
348 | ++i; |
358 | remove_ob(pl->ob); |
349 | } |
|
|
350 | } |
|
|
351 | |
|
|
352 | struct timeval timeout; |
|
|
353 | |
|
|
354 | timeout.tv_sec = 0; |
|
|
355 | timeout.tv_usec = 0; |
|
|
356 | |
|
|
357 | pollret = select (maxfd + 1, |
|
|
358 | &tmp_read, 0, 0, |
|
|
359 | &timeout); |
|
|
360 | |
|
|
361 | if (pollret == -1) |
|
|
362 | { |
|
|
363 | LOG (llevError, "select failed: %s\n", strerror (errno)); |
|
|
364 | return; |
|
|
365 | } |
|
|
366 | |
|
|
367 | /* We need to do some of the processing below regardless */ |
|
|
368 | |
|
|
369 | /* Check for any input on the sockets */ |
|
|
370 | for (sockvec::iterator i = client_sockets.begin (); i != client_sockets.end (); ++i) |
|
|
371 | { |
|
|
372 | client_socket *s = *i; |
|
|
373 | player *pl = s->pl; |
|
|
374 | |
|
|
375 | //TODO: disassociate handleclient from socket readin |
|
|
376 | if (s->inbuf_len || FD_ISSET (s->fd, &tmp_read)) |
|
|
377 | HandleClient (s, pl); |
|
|
378 | |
|
|
379 | //TODO: should not be done here, either |
|
|
380 | if (s->status != Ns_Dead && pl) |
|
|
381 | { |
|
|
382 | /* Update the players stats once per tick. More efficient than |
|
|
383 | * sending them whenever they change, and probably just as useful |
|
|
384 | */ |
|
|
385 | esrv_update_stats (pl); |
|
|
386 | if (pl->last_weight != -1 && pl->last_weight != WEIGHT (pl->ob)) |
|
|
387 | { |
|
|
388 | esrv_update_item (UPD_WEIGHT, pl->ob, pl->ob); |
|
|
389 | if (pl->last_weight != WEIGHT (pl->ob)) |
|
|
390 | LOG (llevError, "esrv_update_item(UPD_WEIGHT) did not set player weight: is %lu, should be %lu\n", |
|
|
391 | (unsigned long) pl->last_weight, WEIGHT (pl->ob)); |
359 | } |
392 | } |
360 | leave(pl,1); |
|
|
361 | final_free_player(pl); |
|
|
362 | pl=npl; |
|
|
363 | } |
|
|
364 | else { |
|
|
365 | FD_SET((uint32)pl->socket.fd, &tmp_read); |
|
|
366 | FD_SET((uint32)pl->socket.fd, &tmp_write); |
|
|
367 | FD_SET((uint32)pl->socket.fd, &tmp_exceptions); |
|
|
368 | pl=pl->next; |
|
|
369 | } |
|
|
370 | } |
|
|
371 | |
393 | |
372 | /* Reset timeout each time, since some OS's will change the values on |
|
|
373 | * the return from select. |
|
|
374 | */ |
|
|
375 | socket_info.timeout.tv_sec = 0; |
|
|
376 | socket_info.timeout.tv_usec = 0; |
|
|
377 | |
|
|
378 | pollret= select(socket_info.max_filedescriptor, &tmp_read, &tmp_write, |
|
|
379 | &tmp_exceptions, &socket_info.timeout); |
|
|
380 | |
|
|
381 | if (pollret==-1) { |
|
|
382 | LOG(llevError, "select failed: %s\n", strerror(errno)); |
|
|
383 | return; |
|
|
384 | } |
|
|
385 | |
|
|
386 | /* We need to do some of the processing below regardless */ |
|
|
387 | /* if (!pollret) return;*/ |
|
|
388 | |
|
|
389 | /* Following adds a new connection */ |
|
|
390 | if (pollret && FD_ISSET(init_sockets[0].fd, &tmp_read)) { |
|
|
391 | int newsocknum=0; |
|
|
392 | |
|
|
393 | #ifdef ESRV_DEBUG |
|
|
394 | LOG(llevDebug,"doeric_server: New Connection\n"); |
|
|
395 | #endif |
|
|
396 | /* If this is the case, all sockets currently in used */ |
|
|
397 | if (socket_info.allocated_sockets <= socket_info.nconns) { |
|
|
398 | init_sockets = (NewSocket *) realloc(init_sockets,sizeof(NewSocket)*(socket_info.nconns+1)); |
|
|
399 | if (!init_sockets) fatal(OUT_OF_MEMORY); |
|
|
400 | newsocknum = socket_info.allocated_sockets; |
|
|
401 | socket_info.allocated_sockets++; |
|
|
402 | init_sockets[newsocknum].faces_sent_len = nrofpixmaps; |
|
|
403 | init_sockets[newsocknum].faces_sent = (uint8*) malloc(nrofpixmaps*sizeof(*init_sockets[newsocknum].faces_sent)); |
|
|
404 | if (!init_sockets[newsocknum].faces_sent) fatal(OUT_OF_MEMORY); |
|
|
405 | init_sockets[newsocknum].status = Ns_Avail; |
|
|
406 | } |
|
|
407 | else { |
|
|
408 | int j; |
|
|
409 | |
|
|
410 | for (j=1; j<socket_info.allocated_sockets; j++) |
|
|
411 | if (init_sockets[j].status == Ns_Avail) { |
|
|
412 | newsocknum=j; |
|
|
413 | break; |
|
|
414 | } |
|
|
415 | } |
|
|
416 | init_sockets[newsocknum].fd=accept(init_sockets[0].fd, (struct sockaddr *)&addr, &addrlen); |
|
|
417 | if (init_sockets[newsocknum].fd==-1) { |
|
|
418 | LOG(llevError, "accept failed: %s\n", strerror(errno)); |
|
|
419 | } |
|
|
420 | else { |
|
|
421 | char buf[MAX_BUF]; |
|
|
422 | long ip; |
|
|
423 | NewSocket *ns; |
|
|
424 | |
|
|
425 | ns = &init_sockets[newsocknum]; |
|
|
426 | |
|
|
427 | ip = ntohl(addr.sin_addr.s_addr); |
|
|
428 | sprintf(buf, "%ld.%ld.%ld.%ld", (ip>>24)&255, (ip>>16)&255, (ip>>8)&255, ip&255); |
|
|
429 | |
|
|
430 | if (checkbanned(NULL, buf)) { |
|
|
431 | LOG(llevInfo, "Banned host tried to connect: [%s]\n", buf); |
|
|
432 | close(init_sockets[newsocknum].fd); |
|
|
433 | init_sockets[newsocknum].fd = -1; |
|
|
434 | } |
|
|
435 | else { |
|
|
436 | InitConnection(ns, buf); |
|
|
437 | socket_info.nconns++; |
|
|
438 | } |
|
|
439 | } |
|
|
440 | } |
|
|
441 | |
|
|
442 | /* Check for any exceptions/input on the sockets */ |
|
|
443 | if (pollret) for(i=1;i<socket_info.allocated_sockets;i++) { |
|
|
444 | if (init_sockets[i].status == Ns_Avail) continue; |
|
|
445 | if (FD_ISSET(init_sockets[i].fd,&tmp_exceptions)) { |
|
|
446 | free_newsocket(&init_sockets[i]); |
|
|
447 | init_sockets[i].status = Ns_Avail; |
|
|
448 | socket_info.nconns--; |
|
|
449 | continue; |
|
|
450 | } |
|
|
451 | if (FD_ISSET(init_sockets[i].fd, &tmp_read)) { |
|
|
452 | HandleClient(&init_sockets[i], NULL); |
|
|
453 | } |
|
|
454 | if (FD_ISSET(init_sockets[i].fd, &tmp_write)) { |
|
|
455 | init_sockets[i].can_write=1; |
|
|
456 | } |
|
|
457 | } |
|
|
458 | |
|
|
459 | /* This does roughly the same thing, but for the players now */ |
|
|
460 | for (pl=first_player; pl!=NULL; pl=next) { |
|
|
461 | |
|
|
462 | next=pl->next; |
|
|
463 | if (pl->socket.status==Ns_Dead) continue; |
|
|
464 | |
|
|
465 | if (FD_ISSET(pl->socket.fd,&tmp_write)) { |
|
|
466 | if (!pl->socket.can_write) { |
|
|
467 | #if 0 |
|
|
468 | LOG(llevDebug,"Player %s socket now write enabled\n", pl->ob->name); |
|
|
469 | #endif |
|
|
470 | pl->socket.can_write=1; |
|
|
471 | write_socket_buffer(&pl->socket); |
|
|
472 | } |
|
|
473 | /* if we get an error on the write_socket buffer, no reason to |
|
|
474 | * continue on this socket. |
|
|
475 | */ |
|
|
476 | if (pl->socket.status==Ns_Dead) continue; |
|
|
477 | } |
|
|
478 | else pl->socket.can_write=0; |
|
|
479 | |
|
|
480 | if (FD_ISSET(pl->socket.fd,&tmp_exceptions)) { |
|
|
481 | save_player(pl->ob, 0); |
|
|
482 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
|
|
483 | terminate_all_pets(pl->ob); |
|
|
484 | remove_ob(pl->ob); |
|
|
485 | } |
|
|
486 | leave(pl,1); |
|
|
487 | final_free_player(pl); |
|
|
488 | } |
|
|
489 | else { |
|
|
490 | HandleClient(&pl->socket, pl); |
|
|
491 | /* If the player has left the game, then the socket status |
|
|
492 | * will be set to this be the leave function. We don't |
|
|
493 | * need to call leave again, as it has already been called |
|
|
494 | * once. |
|
|
495 | */ |
|
|
496 | if (pl->socket.status==Ns_Dead) { |
|
|
497 | save_player(pl->ob, 0); |
|
|
498 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
|
|
499 | terminate_all_pets(pl->ob); |
|
|
500 | remove_ob(pl->ob); |
|
|
501 | } |
|
|
502 | leave(pl,1); |
|
|
503 | final_free_player(pl); |
|
|
504 | } else { |
|
|
505 | |
|
|
506 | /* Update the players stats once per tick. More efficient than |
|
|
507 | * sending them whenever they change, and probably just as useful |
|
|
508 | */ |
|
|
509 | esrv_update_stats(pl); |
|
|
510 | if (pl->last_weight != -1 && pl->last_weight != WEIGHT(pl->ob)) { |
|
|
511 | esrv_update_item(UPD_WEIGHT, pl->ob, pl->ob); |
|
|
512 | if(pl->last_weight != WEIGHT(pl->ob)) |
|
|
513 | LOG(llevError, "esrv_update_item(UPD_WEIGHT) did not set player weight: is %lu, should be %lu\n", (unsigned long)pl->last_weight, WEIGHT(pl->ob)); |
|
|
514 | } |
|
|
515 | /* draw_client_map does sanity checking that map is |
394 | /* draw_client_map does sanity checking that map is |
516 | * valid, so don't do it here. |
395 | * valid, so don't do it here. |
517 | */ |
396 | */ |
518 | draw_client_map(pl->ob); |
397 | draw_client_map (pl->ob); |
519 | if (pl->socket.update_look) esrv_draw_look(pl->ob); |
398 | if (s->update_look) |
520 | } |
399 | esrv_draw_look (pl->ob); |
521 | } |
400 | } |
522 | } |
401 | } |
523 | } |
402 | } |
|
|
403 | |