1 | |
1 | |
2 | /* |
2 | /* |
3 | * static char *rcsid_loop_c = |
3 | * static char *rcsid_loop_c = |
4 | * "$Id: loop.C,v 1.1 2006/08/13 17:16:06 elmex Exp $"; |
4 | * "$Id: loop.C,v 1.5 2006/09/09 21:48:29 root Exp $"; |
5 | */ |
5 | */ |
6 | |
6 | |
7 | /* |
7 | /* |
8 | CrossFire, A Multiplayer game for X-windows |
8 | CrossFire, A Multiplayer game for X-windows |
9 | |
9 | |
… | |
… | |
156 | |
156 | |
157 | /* find the first space, make it null, and update the |
157 | /* find the first space, make it null, and update the |
158 | * params pointer. |
158 | * params pointer. |
159 | */ |
159 | */ |
160 | for (cp = buf; *cp != '\0'; cp++) |
160 | for (cp = buf; *cp != '\0'; cp++) |
161 | if (*cp==' ') { |
161 | if (*cp==' ') { |
162 | *cp = '\0'; |
162 | *cp = '\0'; |
163 | params = cp + 1; |
163 | params = cp + 1; |
164 | break; |
164 | break; |
165 | } |
165 | } |
166 | if (!strcmp(buf, "image_info")) send_image_info(ns, params); |
166 | if (!strcmp(buf, "image_info")) send_image_info(ns, params); |
167 | else if (!strcmp(buf,"image_sums")) send_image_sums(ns, params); |
167 | else if (!strcmp(buf,"image_sums")) send_image_sums(ns, params); |
168 | else if (!strcmp(buf,"skill_info")) send_skill_info(ns, params); |
168 | else if (!strcmp(buf,"skill_info")) send_skill_info(ns, params); |
169 | else if (!strcmp(buf,"spell_paths")) send_spell_paths(ns, params); |
169 | else if (!strcmp(buf,"spell_paths")) send_spell_paths(ns, params); |
170 | else Write_String_To_Socket(ns, bigbuf, len); |
170 | else Write_String_To_Socket(ns, bigbuf, len); |
171 | } |
171 | } |
172 | |
172 | |
173 | /** |
173 | /** |
174 | * Handles old socket format. |
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175 | */ |
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176 | void Handle_Oldsocket(NewSocket *ns) |
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177 | { |
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178 | int stat,i; |
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179 | CommFunc command; |
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180 | char buf[MAX_BUF],*cp; |
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181 | object ob; |
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182 | player pl; |
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183 | |
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184 | /* This is not the most efficient block, but keeps the code simpler - |
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185 | * we basically read a byte at a time until we get a newline, error, |
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186 | * or no more characters to read. |
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187 | */ |
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188 | do { |
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189 | /* hack to disable old socket mode without creating too many conflicts */ |
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190 | if (1 || ns->inbuf.len >= MAXSOCKBUF-1) { |
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191 | ns->status = Ns_Dead; |
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192 | LOG(llevDebug, "Old input socket sent too much data without newline\n"); |
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193 | return; |
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194 | } |
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195 | #ifdef WIN32 /* ***win32: change oldsocket read() to recv() */ |
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196 | stat = recv(ns->fd, ns->inbuf.buf + ns->inbuf.len, 1,0); |
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197 | |
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198 | if (stat==-1 && WSAGetLastError() !=WSAEWOULDBLOCK) { |
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199 | #else |
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200 | do { |
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201 | stat = read(ns->fd, ns->inbuf.buf + ns->inbuf.len, 1); |
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202 | } while ((stat<0) && (errno == EINTR)); |
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203 | |
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204 | if (stat<0 && errno != EAGAIN && errno !=EWOULDBLOCK) { |
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205 | #endif |
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206 | LOG(llevError, "Cannot read from socket: %s\n", strerror_local(errno)); |
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207 | ns->status = Ns_Dead; |
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208 | return; |
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209 | } |
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210 | if (stat == 0) return; |
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211 | } while (ns->inbuf.buf[ns->inbuf.len++]!='\n'); |
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212 | |
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213 | ns->inbuf.buf[ns->inbuf.len]=0; |
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214 | |
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215 | cp = strchr((const char*)ns->inbuf.buf, ' '); |
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216 | if (cp) { |
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217 | /* Replace the space with a null, skip any more spaces */ |
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218 | *cp++=0; |
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219 | while (isspace(*cp)) cp++; |
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220 | } |
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221 | |
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222 | /* Strip off all spaces and control characters from end of line */ |
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223 | for (i=ns->inbuf.len-1; i>=0; i--) { |
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224 | if (ns->inbuf.buf[i]<=32) ns->inbuf.buf[i]=0; |
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225 | else break; |
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226 | } |
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227 | ns->inbuf.len=0; /* reset for next read */ |
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228 | |
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229 | /* If just a return, don't do anything */ |
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230 | if (ns->inbuf.buf[0] == 0) return; |
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231 | if (!strcasecmp((const char*)ns->inbuf.buf,"quit")) { |
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232 | ns->status = Ns_Dead; |
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233 | return; |
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234 | } |
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235 | if (!strcasecmp((const char*)ns->inbuf.buf, "listen")) { |
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236 | if (cp) { |
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237 | char *buf="Socket switched to listen mode\n"; |
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238 | |
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239 | free(ns->comment); |
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240 | ns->comment = strdup_local(cp); |
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241 | ns->old_mode = Old_Listen; |
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242 | cs_write_string(ns, buf, strlen(buf)); |
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243 | } else { |
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244 | char *buf="Need to supply a comment/url to listen\n"; |
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245 | cs_write_string(ns, buf, strlen(buf)); |
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246 | } |
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247 | return; |
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248 | } |
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249 | if (!strcasecmp((const char*)ns->inbuf.buf, "name")) { |
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250 | char *cp1=NULL; |
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251 | if (cp) cp1= strchr(cp, ' '); |
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252 | if (cp1) { |
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253 | *cp1++ = 0; |
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254 | while (isspace(*cp1)) cp1++; |
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255 | } |
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256 | if (!cp || !cp1) { |
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257 | char *buf="Need to provide a name/password to name\n"; |
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258 | cs_write_string(ns, buf, strlen(buf)); |
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259 | return; |
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260 | } |
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261 | |
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262 | if (verify_player(cp, cp1)==0) { |
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263 | char *buf="Welcome back\n"; |
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264 | free(ns->comment); |
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265 | ns->comment = strdup_local(cp); |
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266 | ns->old_mode = Old_Player; |
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267 | cs_write_string(ns, buf, strlen(buf)); |
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268 | } |
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269 | else if (verify_player(cp, cp1)==2) { |
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270 | ns->password_fails++; |
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271 | if (ns->password_fails >= MAX_PASSWORD_FAILURES) { |
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272 | char *buf="You failed to log in too many times, you will now be kicked.\n"; |
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273 | LOG(llevInfo, "A player connecting from %s in oldsocketmode has been dropped for password failure\n", |
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274 | ns->host); |
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275 | cs_write_string(ns, buf, strlen(buf)); |
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276 | ns->status = Ns_Dead; |
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277 | } |
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278 | else { |
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279 | char *buf="Could not login you in. Check your name and password.\n"; |
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280 | cs_write_string(ns, buf, strlen(buf)); |
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281 | } |
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282 | } |
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283 | else { |
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284 | char *buf="Could not login you in. Check your name and password.\n"; |
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285 | cs_write_string(ns, buf, strlen(buf)); |
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286 | } |
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287 | return; |
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288 | } |
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289 | |
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290 | command = find_oldsocket_command((char*)ns->inbuf.buf); |
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291 | if (!command && ns->old_mode==Old_Player) { |
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292 | command = find_oldsocket_command2((char*)ns->inbuf.buf); |
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293 | } |
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294 | if (!command) { |
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295 | snprintf(buf, sizeof(buf), "Could not find command: %s\n", ns->inbuf.buf); |
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296 | cs_write_string(ns, buf, strlen(buf)); |
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297 | return; |
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298 | } |
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299 | |
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300 | /* This is a bit of a hack, but works. Basically, we make some |
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301 | * fake object and player pointers and give at it. |
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302 | * This works as long as the functions we are calling don't need |
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303 | * to do anything to the object structure (ie, they are only |
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304 | * outputting information and not actually updating anything much.) |
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305 | */ |
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306 | ob.contr = &pl; |
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307 | pl.ob = &ob; |
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308 | ob.type = PLAYER; |
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309 | pl.listening = 10; |
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310 | pl.socket = *ns; |
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311 | pl.outputs_count = 1; |
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312 | ob.name = ns->comment; |
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313 | |
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314 | command(&ob, cp); |
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315 | } |
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316 | |
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317 | |
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318 | /** |
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319 | * Handle client input. |
174 | * Handle client input. |
320 | * |
175 | * |
321 | * HandleClient is actually not named really well - we only get here once |
176 | * HandleClient is actually not named really well - we only get here once |
322 | * there is input, so we don't do exception or other stuff here. |
177 | * there is input, so we don't do exception or other stuff here. |
323 | * sock is the output socket information. pl is the player associated |
178 | * sock is the output socket information. pl is the player associated |
… | |
… | |
331 | char *data; |
186 | char *data; |
332 | |
187 | |
333 | /* Loop through this - maybe we have several complete packets here. */ |
188 | /* Loop through this - maybe we have several complete packets here. */ |
334 | // limit to a few commands only, though, as to not monopolise the server |
189 | // limit to a few commands only, though, as to not monopolise the server |
335 | for (cnt = 16; cnt--; ) { |
190 | for (cnt = 16; cnt--; ) { |
336 | /* If it is a player, and they don't have any speed left, we |
191 | /* If it is a player, and they don't have any speed left, we |
337 | * return, and will read in the data when they do have time. |
192 | * return, and will read in the data when they do have time. |
338 | */ |
193 | */ |
339 | if (pl && pl->state==ST_PLAYING && pl->ob != NULL && pl->ob->speed_left < 0) { |
194 | if (pl && pl->state==ST_PLAYING && pl->ob != NULL && pl->ob->speed_left < 0) { |
340 | return; |
195 | return; |
341 | } |
196 | } |
342 | |
197 | |
343 | if (ns->status == Ns_Old) { |
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344 | Handle_Oldsocket(ns); |
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345 | return; |
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346 | } |
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347 | i=SockList_ReadPacket(ns->fd, &ns->inbuf, MAXSOCKBUF-1); |
198 | i=SockList_ReadPacket(ns->fd, &ns->inbuf, MAXSOCKBUF-1); |
348 | /* Special hack - let the user switch to old mode if in the Ns_Add |
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349 | * phase. Don't demand they add in the special length bytes |
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350 | */ |
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351 | if (ns->status == Ns_Add) { |
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352 | if (!strncasecmp((const char*)ns->inbuf.buf,"oldsocketmode", 13)) { |
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353 | ns->status = Ns_Old; |
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354 | ns->inbuf.len=0; |
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355 | cs_write_string(ns, "Switched to old socket mode\n", 28); |
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356 | LOG(llevDebug,"Switched socket to old socket mode\n"); |
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357 | return; |
|
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358 | } |
|
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359 | } |
|
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360 | |
199 | |
361 | if (i<0) { |
200 | if (i<0) { |
362 | #ifdef ESRV_DEBUG |
201 | #ifdef ESRV_DEBUG |
363 | LOG(llevDebug,"HandleClient: Read error on connection player %s\n", (pl?pl->ob->name:"None")); |
202 | LOG(llevDebug,"HandleClient: Read error on connection player %s\n", (pl?pl->ob->name:"None")); |
364 | #endif |
203 | #endif |
365 | /* Caller will take care of cleaning this up */ |
204 | /* Caller will take care of cleaning this up */ |
366 | ns->status =Ns_Dead; |
205 | ns->status =Ns_Dead; |
367 | return; |
206 | return; |
368 | } |
207 | } |
369 | /* Still dont have a full packet */ |
208 | /* Still dont have a full packet */ |
370 | if (i==0) return; |
209 | if (i==0) return; |
371 | |
210 | |
372 | // //D//TODO//temporarily log long commands |
211 | // //D//TODO//temporarily log long commands |
373 | // if (ns->inbuf.len >= 40 && pl && pl->ob) |
212 | // if (ns->inbuf.len >= 40 && pl && pl->ob) |
374 | // LOG (llevDebug, "HandleClient: long comamnd from <%s,%s> %d<%s>\n", pl->ob->name, ns->host, ns->inbuf.len, ns->inbuf.buf + 2); |
213 | // LOG (llevDebug, "HandleClient: long comamnd from <%s,%s> %d<%s>\n", pl->ob->name, ns->host, ns->inbuf.len, ns->inbuf.buf + 2); |
375 | |
214 | |
376 | /* First, break out beginning word. There are at least |
215 | /* First, break out beginning word. There are at least |
377 | * a few commands that do not have any paremeters. If |
216 | * a few commands that do not have any paremeters. If |
378 | * we get such a command, don't worry about trying |
217 | * we get such a command, don't worry about trying |
379 | * to break it up. |
218 | * to break it up. |
380 | */ |
219 | */ |
381 | data = (char *)strchr((char*)ns->inbuf.buf +2, ' '); |
220 | data = (char *)strchr((char*)ns->inbuf.buf +2, ' '); |
382 | if (data) { |
221 | if (data) { |
383 | *data='\0'; |
222 | *data='\0'; |
384 | data++; |
223 | data++; |
385 | len = ns->inbuf.len - (data - (char*)ns->inbuf.buf); |
224 | len = ns->inbuf.len - (data - (char*)ns->inbuf.buf); |
386 | } |
225 | } |
387 | else len=0; |
226 | else len=0; |
388 | |
227 | |
389 | ns->inbuf.buf[ns->inbuf.len]='\0'; /* Terminate buffer - useful for string data */ |
228 | ns->inbuf.buf[ns->inbuf.len]='\0'; /* Terminate buffer - useful for string data */ |
390 | for (i=0; nscommands[i].cmdname !=NULL; i++) { |
229 | for (i=0; nscommands[i].cmdname !=NULL; i++) { |
391 | if (strcmp((char*)ns->inbuf.buf+2,nscommands[i].cmdname)==0) { |
230 | if (strcmp((char*)ns->inbuf.buf+2,nscommands[i].cmdname)==0) { |
392 | nscommands[i].cmdproc((char*)data,len,ns); |
231 | nscommands[i].cmdproc((char*)data,len,ns); |
393 | ns->inbuf.len=0; |
232 | ns->inbuf.len=0; |
394 | return;//D// not doing this causes random memory corruption |
233 | return;//D// not doing this causes random memory corruption |
395 | goto next_packet; |
234 | goto next_packet; |
396 | } |
235 | } |
397 | } |
236 | } |
398 | /* Player must be in the playing state or the flag on the |
237 | /* Player must be in the playing state or the flag on the |
399 | * the command must be zero for the user to use the command - |
238 | * the command must be zero for the user to use the command - |
400 | * otherwise, a player cam save, be in the play_again state, and |
239 | * otherwise, a player cam save, be in the play_again state, and |
401 | * the map they were on gets swapped out, yet things that try to look |
240 | * the map they were on gets swapped out, yet things that try to look |
402 | * at the map causes a crash. If the command is valid, but |
241 | * at the map causes a crash. If the command is valid, but |
403 | * one they can't use, we still swallow it up. |
242 | * one they can't use, we still swallow it up. |
404 | */ |
243 | */ |
405 | if (pl) for (i=0; plcommands[i].cmdname !=NULL; i++) { |
244 | if (pl) for (i=0; plcommands[i].cmdname !=NULL; i++) { |
406 | if (strcmp((char*)ns->inbuf.buf+2,plcommands[i].cmdname)==0) { |
245 | if (strcmp((char*)ns->inbuf.buf+2,plcommands[i].cmdname)==0) { |
407 | if (pl->state == ST_PLAYING || !(plcommands[i].flag & 1)) |
246 | if (pl->state == ST_PLAYING || !(plcommands[i].flag & 1)) |
408 | plcommands[i].cmdproc((char*)data,len,pl); |
247 | plcommands[i].cmdproc((char*)data,len,pl); |
409 | ns->inbuf.len=0; |
248 | ns->inbuf.len=0; |
410 | //D// not doing this causes random memory corruption |
249 | //D// not doing this causes random memory corruption |
411 | if (plcommands[i].flag & 2) |
250 | if (plcommands[i].flag & 2) |
412 | goto next_packet; |
251 | goto next_packet; |
413 | return; |
252 | return; |
414 | } |
253 | } |
415 | } |
254 | } |
416 | /* If we get here, we didn't find a valid command. Logging |
255 | /* If we get here, we didn't find a valid command. Logging |
417 | * this might be questionable, because a broken client/malicious |
256 | * this might be questionable, because a broken client/malicious |
418 | * user could certainly send a whole bunch of invalid commands. |
257 | * user could certainly send a whole bunch of invalid commands. |
419 | */ |
258 | */ |
420 | LOG(llevDebug,"Bad command from client (%s)\n",ns->inbuf.buf+2); |
259 | LOG(llevDebug,"Bad command from client (%s)\n",ns->inbuf.buf+2); |
421 | next_packet: |
260 | next_packet: |
422 | ; |
261 | ; |
423 | } |
262 | } |
424 | } |
263 | } |
425 | |
264 | |
… | |
… | |
459 | } |
298 | } |
460 | sendto(fd,(void *)&fd,1,0,(struct sockaddr *)&insock,sizeof(insock)); |
299 | sendto(fd,(void *)&fd,1,0,(struct sockaddr *)&insock,sizeof(insock)); |
461 | } |
300 | } |
462 | #endif |
301 | #endif |
463 | |
302 | |
464 | extern unsigned long todtick; |
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465 | |
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466 | /** Waits for new connection */ |
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467 | static void block_until_new_connection(void) |
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468 | { |
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469 | |
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470 | struct timeval Timeout; |
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471 | fd_set readfs; |
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472 | int cycles; |
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473 | |
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474 | LOG(llevInfo, "Waiting for connections...\n"); |
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475 | |
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476 | cycles=1; |
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477 | do { |
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478 | /* Every minutes is a bit often for updates - especially if nothing is going |
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479 | * on. This slows it down to every 6 minutes. |
|
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480 | */ |
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481 | cycles++; |
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482 | if (cycles%2 == 0) |
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483 | tick_the_clock(); |
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484 | |
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485 | FD_ZERO(&readfs); |
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486 | FD_SET((uint32)init_sockets[0].fd, &readfs); |
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487 | |
|
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488 | /* If fastclock is set, we need to seriously slow down the updates |
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489 | * to the metaserver as well as watchdog. Do same for flush_old_maps() - |
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490 | * that is time sensitive, so there is no good reason to call it 2000 times |
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491 | * a second. |
|
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492 | */ |
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493 | if (settings.fastclock > 0) { |
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494 | #ifdef WATCHDOG |
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495 | if (cycles % 120000 == 0) { |
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496 | watchdog(); |
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497 | flush_old_maps(); |
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498 | } |
|
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499 | #endif |
|
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500 | if (cycles == 720000) { |
|
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501 | metaserver_update(); |
|
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502 | cycles=1; |
|
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503 | } |
|
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504 | Timeout.tv_sec=0; |
|
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505 | Timeout.tv_usec=50; |
|
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506 | } else { |
|
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507 | Timeout.tv_sec=60; |
|
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508 | Timeout.tv_usec=0; |
|
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509 | if (cycles == 7) { |
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510 | metaserver_update(); |
|
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511 | cycles=1; |
|
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512 | } |
|
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513 | flush_old_maps(); |
|
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514 | } |
|
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515 | } |
|
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516 | while (select(socket_info.max_filedescriptor, &readfs, NULL, NULL, &Timeout)==0); |
|
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517 | |
|
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518 | reset_sleep(); /* Or the game would go too fast */ |
|
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519 | } |
|
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520 | |
|
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521 | void flush_sockets(void) |
303 | void flush_sockets(void) |
522 | { |
304 | { |
523 | player *pl; |
305 | player *pl; |
524 | |
306 | |
525 | for (pl = first_player; pl != NULL; pl = pl->next) |
307 | for (pl = first_player; pl != NULL; pl = pl->next) |
… | |
… | |
542 | socklen_t addrlen=sizeof(struct sockaddr); |
324 | socklen_t addrlen=sizeof(struct sockaddr); |
543 | player *pl, *next; |
325 | player *pl, *next; |
544 | |
326 | |
545 | #ifdef CS_LOGSTATS |
327 | #ifdef CS_LOGSTATS |
546 | if ((time(NULL)-cst_lst.time_start)>=CS_LOGTIME) |
328 | if ((time(NULL)-cst_lst.time_start)>=CS_LOGTIME) |
547 | write_cs_stats(); |
329 | write_cs_stats(); |
548 | #endif |
330 | #endif |
549 | |
331 | |
550 | FD_ZERO(&tmp_read); |
332 | FD_ZERO(&tmp_read); |
551 | FD_ZERO(&tmp_write); |
333 | FD_ZERO(&tmp_write); |
552 | FD_ZERO(&tmp_exceptions); |
334 | FD_ZERO(&tmp_exceptions); |
553 | |
335 | |
554 | for(i=0;i<socket_info.allocated_sockets;i++) { |
336 | for(i=0;i<socket_info.allocated_sockets;i++) { |
555 | if (init_sockets[i].status == Ns_Dead) { |
337 | if (init_sockets[i].status == Ns_Dead) { |
556 | free_newsocket(&init_sockets[i]); |
338 | free_newsocket(&init_sockets[i]); |
557 | init_sockets[i].status = Ns_Avail; |
339 | init_sockets[i].status = Ns_Avail; |
558 | socket_info.nconns--; |
340 | socket_info.nconns--; |
559 | } else if (init_sockets[i].status != Ns_Avail){ |
341 | } else if (init_sockets[i].status != Ns_Avail){ |
560 | FD_SET((uint32)init_sockets[i].fd, &tmp_read); |
342 | FD_SET((uint32)init_sockets[i].fd, &tmp_read); |
561 | FD_SET((uint32)init_sockets[i].fd, &tmp_write); |
343 | FD_SET((uint32)init_sockets[i].fd, &tmp_write); |
562 | FD_SET((uint32)init_sockets[i].fd, &tmp_exceptions); |
344 | FD_SET((uint32)init_sockets[i].fd, &tmp_exceptions); |
563 | } |
345 | } |
564 | } |
346 | } |
565 | |
347 | |
566 | /* Go through the players. Let the loop set the next pl value, |
348 | /* Go through the players. Let the loop set the next pl value, |
567 | * since we may remove some |
349 | * since we may remove some |
568 | */ |
350 | */ |
569 | for (pl=first_player; pl!=NULL; ) { |
351 | for (pl=first_player; pl!=NULL; ) { |
570 | if (pl->socket.status == Ns_Dead) { |
352 | if (pl->socket.status == Ns_Dead) { |
571 | player *npl=pl->next; |
353 | player *npl=pl->next; |
572 | |
354 | |
573 | save_player(pl->ob, 0); |
355 | save_player(pl->ob, 0); |
574 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
356 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
575 | terminate_all_pets(pl->ob); |
357 | terminate_all_pets(pl->ob); |
576 | remove_ob(pl->ob); |
358 | remove_ob(pl->ob); |
577 | } |
359 | } |
578 | leave(pl,1); |
360 | leave(pl,1); |
579 | final_free_player(pl); |
361 | final_free_player(pl); |
580 | pl=npl; |
362 | pl=npl; |
581 | } |
363 | } |
582 | else { |
364 | else { |
583 | FD_SET((uint32)pl->socket.fd, &tmp_read); |
365 | FD_SET((uint32)pl->socket.fd, &tmp_read); |
584 | FD_SET((uint32)pl->socket.fd, &tmp_write); |
366 | FD_SET((uint32)pl->socket.fd, &tmp_write); |
585 | FD_SET((uint32)pl->socket.fd, &tmp_exceptions); |
367 | FD_SET((uint32)pl->socket.fd, &tmp_exceptions); |
586 | pl=pl->next; |
368 | pl=pl->next; |
587 | } |
369 | } |
588 | } |
370 | } |
589 | |
|
|
590 | #if 0 |
|
|
591 | // the event system and plugins require the server ti run at all times. |
|
|
592 | // since its primarily cf.schmorp.de we are interested in, and |
|
|
593 | // that is supposed to run all the time anyway, its globally disabled |
|
|
594 | // until we can use Event. |
|
|
595 | if (socket_info.nconns==1 && first_player==NULL) |
|
|
596 | block_until_new_connection(); |
|
|
597 | #endif |
|
|
598 | |
371 | |
599 | /* Reset timeout each time, since some OS's will change the values on |
372 | /* Reset timeout each time, since some OS's will change the values on |
600 | * the return from select. |
373 | * the return from select. |
601 | */ |
374 | */ |
602 | socket_info.timeout.tv_sec = 0; |
375 | socket_info.timeout.tv_sec = 0; |
603 | socket_info.timeout.tv_usec = 0; |
376 | socket_info.timeout.tv_usec = 0; |
604 | |
377 | |
605 | pollret= select(socket_info.max_filedescriptor, &tmp_read, &tmp_write, |
378 | pollret= select(socket_info.max_filedescriptor, &tmp_read, &tmp_write, |
606 | &tmp_exceptions, &socket_info.timeout); |
379 | &tmp_exceptions, &socket_info.timeout); |
607 | |
380 | |
608 | if (pollret==-1) { |
381 | if (pollret==-1) { |
609 | LOG(llevError, "select failed: %s\n", strerror_local(errno)); |
382 | LOG(llevError, "select failed: %s\n", strerror(errno)); |
610 | return; |
383 | return; |
611 | } |
384 | } |
612 | |
385 | |
613 | /* We need to do some of the processing below regardless */ |
386 | /* We need to do some of the processing below regardless */ |
614 | /* if (!pollret) return;*/ |
387 | /* if (!pollret) return;*/ |
615 | |
388 | |
616 | /* Following adds a new connection */ |
389 | /* Following adds a new connection */ |
617 | if (pollret && FD_ISSET(init_sockets[0].fd, &tmp_read)) { |
390 | if (pollret && FD_ISSET(init_sockets[0].fd, &tmp_read)) { |
618 | int newsocknum=0; |
391 | int newsocknum=0; |
619 | |
392 | |
620 | #ifdef ESRV_DEBUG |
393 | #ifdef ESRV_DEBUG |
621 | LOG(llevDebug,"doeric_server: New Connection\n"); |
394 | LOG(llevDebug,"doeric_server: New Connection\n"); |
622 | #endif |
395 | #endif |
623 | /* If this is the case, all sockets currently in used */ |
396 | /* If this is the case, all sockets currently in used */ |
624 | if (socket_info.allocated_sockets <= socket_info.nconns) { |
397 | if (socket_info.allocated_sockets <= socket_info.nconns) { |
625 | init_sockets = (NewSocket *) realloc(init_sockets,sizeof(NewSocket)*(socket_info.nconns+1)); |
398 | init_sockets = (NewSocket *) realloc(init_sockets,sizeof(NewSocket)*(socket_info.nconns+1)); |
626 | if (!init_sockets) fatal(OUT_OF_MEMORY); |
399 | if (!init_sockets) fatal(OUT_OF_MEMORY); |
627 | newsocknum = socket_info.allocated_sockets; |
400 | newsocknum = socket_info.allocated_sockets; |
628 | socket_info.allocated_sockets++; |
401 | socket_info.allocated_sockets++; |
629 | init_sockets[newsocknum].faces_sent_len = nrofpixmaps; |
402 | init_sockets[newsocknum].faces_sent_len = nrofpixmaps; |
630 | init_sockets[newsocknum].faces_sent = (uint8*) malloc(nrofpixmaps*sizeof(*init_sockets[newsocknum].faces_sent)); |
403 | init_sockets[newsocknum].faces_sent = (uint8*) malloc(nrofpixmaps*sizeof(*init_sockets[newsocknum].faces_sent)); |
631 | if (!init_sockets[newsocknum].faces_sent) fatal(OUT_OF_MEMORY); |
404 | if (!init_sockets[newsocknum].faces_sent) fatal(OUT_OF_MEMORY); |
632 | init_sockets[newsocknum].status = Ns_Avail; |
405 | init_sockets[newsocknum].status = Ns_Avail; |
633 | } |
406 | } |
634 | else { |
407 | else { |
635 | int j; |
408 | int j; |
636 | |
409 | |
637 | for (j=1; j<socket_info.allocated_sockets; j++) |
410 | for (j=1; j<socket_info.allocated_sockets; j++) |
638 | if (init_sockets[j].status == Ns_Avail) { |
411 | if (init_sockets[j].status == Ns_Avail) { |
639 | newsocknum=j; |
412 | newsocknum=j; |
640 | break; |
413 | break; |
641 | } |
414 | } |
642 | } |
415 | } |
643 | init_sockets[newsocknum].fd=accept(init_sockets[0].fd, (struct sockaddr *)&addr, &addrlen); |
416 | init_sockets[newsocknum].fd=accept(init_sockets[0].fd, (struct sockaddr *)&addr, &addrlen); |
644 | if (init_sockets[newsocknum].fd==-1) { |
417 | if (init_sockets[newsocknum].fd==-1) { |
645 | LOG(llevError, "accept failed: %s\n", strerror_local(errno)); |
418 | LOG(llevError, "accept failed: %s\n", strerror(errno)); |
646 | } |
419 | } |
647 | else { |
420 | else { |
648 | char buf[MAX_BUF]; |
421 | char buf[MAX_BUF]; |
649 | long ip; |
422 | long ip; |
650 | NewSocket *ns; |
423 | NewSocket *ns; |
651 | |
424 | |
652 | ns = &init_sockets[newsocknum]; |
425 | ns = &init_sockets[newsocknum]; |
653 | |
426 | |
654 | ip = ntohl(addr.sin_addr.s_addr); |
427 | ip = ntohl(addr.sin_addr.s_addr); |
655 | sprintf(buf, "%ld.%ld.%ld.%ld", (ip>>24)&255, (ip>>16)&255, (ip>>8)&255, ip&255); |
428 | sprintf(buf, "%ld.%ld.%ld.%ld", (ip>>24)&255, (ip>>16)&255, (ip>>8)&255, ip&255); |
656 | |
429 | |
657 | if (checkbanned(NULL, buf)) { |
430 | if (checkbanned(NULL, buf)) { |
658 | LOG(llevInfo, "Banned host tried to connect: [%s]\n", buf); |
431 | LOG(llevInfo, "Banned host tried to connect: [%s]\n", buf); |
659 | close(init_sockets[newsocknum].fd); |
432 | close(init_sockets[newsocknum].fd); |
660 | init_sockets[newsocknum].fd = -1; |
433 | init_sockets[newsocknum].fd = -1; |
661 | } |
434 | } |
662 | else { |
435 | else { |
663 | InitConnection(ns, buf); |
436 | InitConnection(ns, buf); |
664 | socket_info.nconns++; |
437 | socket_info.nconns++; |
665 | } |
438 | } |
666 | } |
439 | } |
667 | } |
440 | } |
668 | |
441 | |
669 | /* Check for any exceptions/input on the sockets */ |
442 | /* Check for any exceptions/input on the sockets */ |
670 | if (pollret) for(i=1;i<socket_info.allocated_sockets;i++) { |
443 | if (pollret) for(i=1;i<socket_info.allocated_sockets;i++) { |
671 | if (init_sockets[i].status == Ns_Avail) continue; |
444 | if (init_sockets[i].status == Ns_Avail) continue; |
672 | if (FD_ISSET(init_sockets[i].fd,&tmp_exceptions)) { |
445 | if (FD_ISSET(init_sockets[i].fd,&tmp_exceptions)) { |
673 | free_newsocket(&init_sockets[i]); |
446 | free_newsocket(&init_sockets[i]); |
674 | init_sockets[i].status = Ns_Avail; |
447 | init_sockets[i].status = Ns_Avail; |
675 | socket_info.nconns--; |
448 | socket_info.nconns--; |
676 | continue; |
449 | continue; |
677 | } |
450 | } |
678 | if (FD_ISSET(init_sockets[i].fd, &tmp_read)) { |
451 | if (FD_ISSET(init_sockets[i].fd, &tmp_read)) { |
679 | HandleClient(&init_sockets[i], NULL); |
452 | HandleClient(&init_sockets[i], NULL); |
680 | } |
453 | } |
681 | if (FD_ISSET(init_sockets[i].fd, &tmp_write)) { |
454 | if (FD_ISSET(init_sockets[i].fd, &tmp_write)) { |
682 | init_sockets[i].can_write=1; |
455 | init_sockets[i].can_write=1; |
683 | } |
456 | } |
684 | } |
457 | } |
685 | |
458 | |
686 | /* This does roughly the same thing, but for the players now */ |
459 | /* This does roughly the same thing, but for the players now */ |
687 | for (pl=first_player; pl!=NULL; pl=next) { |
460 | for (pl=first_player; pl!=NULL; pl=next) { |
688 | |
461 | |
689 | next=pl->next; |
462 | next=pl->next; |
690 | if (pl->socket.status==Ns_Dead) continue; |
463 | if (pl->socket.status==Ns_Dead) continue; |
691 | |
464 | |
692 | if (FD_ISSET(pl->socket.fd,&tmp_write)) { |
465 | if (FD_ISSET(pl->socket.fd,&tmp_write)) { |
693 | if (!pl->socket.can_write) { |
466 | if (!pl->socket.can_write) { |
694 | #if 0 |
467 | #if 0 |
695 | LOG(llevDebug,"Player %s socket now write enabled\n", pl->ob->name); |
468 | LOG(llevDebug,"Player %s socket now write enabled\n", pl->ob->name); |
696 | #endif |
469 | #endif |
697 | pl->socket.can_write=1; |
470 | pl->socket.can_write=1; |
698 | write_socket_buffer(&pl->socket); |
471 | write_socket_buffer(&pl->socket); |
699 | } |
472 | } |
700 | /* if we get an error on the write_socket buffer, no reason to |
473 | /* if we get an error on the write_socket buffer, no reason to |
701 | * continue on this socket. |
474 | * continue on this socket. |
702 | */ |
475 | */ |
703 | if (pl->socket.status==Ns_Dead) continue; |
476 | if (pl->socket.status==Ns_Dead) continue; |
704 | } |
477 | } |
705 | else pl->socket.can_write=0; |
478 | else pl->socket.can_write=0; |
706 | |
479 | |
707 | if (FD_ISSET(pl->socket.fd,&tmp_exceptions)) { |
480 | if (FD_ISSET(pl->socket.fd,&tmp_exceptions)) { |
708 | save_player(pl->ob, 0); |
481 | save_player(pl->ob, 0); |
709 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
482 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
710 | terminate_all_pets(pl->ob); |
483 | terminate_all_pets(pl->ob); |
711 | remove_ob(pl->ob); |
484 | remove_ob(pl->ob); |
712 | } |
485 | } |
713 | leave(pl,1); |
486 | leave(pl,1); |
714 | final_free_player(pl); |
487 | final_free_player(pl); |
715 | } |
488 | } |
716 | else { |
489 | else { |
717 | HandleClient(&pl->socket, pl); |
490 | HandleClient(&pl->socket, pl); |
718 | /* If the player has left the game, then the socket status |
491 | /* If the player has left the game, then the socket status |
719 | * will be set to this be the leave function. We don't |
492 | * will be set to this be the leave function. We don't |
720 | * need to call leave again, as it has already been called |
493 | * need to call leave again, as it has already been called |
721 | * once. |
494 | * once. |
722 | */ |
495 | */ |
723 | if (pl->socket.status==Ns_Dead) { |
496 | if (pl->socket.status==Ns_Dead) { |
724 | save_player(pl->ob, 0); |
497 | save_player(pl->ob, 0); |
725 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
498 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
726 | terminate_all_pets(pl->ob); |
499 | terminate_all_pets(pl->ob); |
727 | remove_ob(pl->ob); |
500 | remove_ob(pl->ob); |
728 | } |
501 | } |
729 | leave(pl,1); |
502 | leave(pl,1); |
730 | final_free_player(pl); |
503 | final_free_player(pl); |
731 | } else { |
504 | } else { |
732 | |
505 | |
733 | /* Update the players stats once per tick. More efficient than |
506 | /* Update the players stats once per tick. More efficient than |
734 | * sending them whenever they change, and probably just as useful |
507 | * sending them whenever they change, and probably just as useful |
735 | */ |
508 | */ |
736 | esrv_update_stats(pl); |
509 | esrv_update_stats(pl); |
737 | if (pl->last_weight != -1 && pl->last_weight != WEIGHT(pl->ob)) { |
510 | if (pl->last_weight != -1 && pl->last_weight != WEIGHT(pl->ob)) { |
738 | esrv_update_item(UPD_WEIGHT, pl->ob, pl->ob); |
511 | esrv_update_item(UPD_WEIGHT, pl->ob, pl->ob); |
739 | if(pl->last_weight != WEIGHT(pl->ob)) |
512 | if(pl->last_weight != WEIGHT(pl->ob)) |
740 | 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)); |
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)); |
741 | } |
514 | } |
742 | /* draw_client_map does sanity checking that map is |
515 | /* draw_client_map does sanity checking that map is |
743 | * valid, so don't do it here. |
516 | * valid, so don't do it here. |
744 | */ |
517 | */ |
745 | draw_client_map(pl->ob); |
518 | draw_client_map(pl->ob); |
746 | if (pl->socket.update_look) esrv_draw_look(pl->ob); |
519 | if (pl->socket.update_look) esrv_draw_look(pl->ob); |
747 | } |
520 | } |
748 | } |
521 | } |
749 | } |
522 | } |
750 | } |
523 | } |