src/chuukei.c

   1 /* chuukei.c */
   2
   3 #include "angband.h"
   4
   5 #ifdef CHUUKEI
   6
   7 #include <stdio.h>
   8 #include <stdarg.h>
   9 #include <ctype.h>
  10
  11 #if defined(WINDOWS)
  12 #include <winsock.h>
  13 #elif defined(MACINTOSH)
  14 #include <OpenTransport.h>
  15 #include <OpenTptInternet.h>
  16 #else
  17 #include <sys/types.h>
  18 #include <sys/socket.h>
  19 #include <netinet/in.h>
  20 #include <netdb.h>
  21 #include <sys/time.h>
  22 #include <arpa/inet.h>
  23
  24 #include <setjmp.h>
  25 #include <signal.h>
  26 #endif
  27
  28 #define MAX_HOSTNAME 256
  29 #define RINGBUF_SIZE 65536*8
  30 #define FRESH_QUEUE_SIZE 1024
  31 #define WAIT 100*1000 /* ¥Ö¥é¥¦¥ºÂ¦¤Î¥¦¥¨¥¤¥È(usÃ±°Ì) */
  32 #define DEFAULT_DELAY 50
  33
  34 static int sd; /* ¥½¥±¥Ã¥È¤Î¥Õ¥¡¥¤¥ë¥Ç¥£¥¹¥¯¥ê¥×¥¿ */
  35 static long epoch_time;  /* ³«»Ï»þ¹ï */
  36 static long time_diff;   /* ¥×¥ì¥¤Â¦¤È¤Î»þ´Ö¤Î¤º¤ì(¤³¤ì¤ò¸«¤Ê¤¬¤é¥Ç¥£¥ì¥¤¤òÄ´À°¤·¤Æ¤¤¤¯) */
  37 static int browse_delay; /* É½¼¨¤¹¤ë¤Þ¤Ç¤Î»þ´Ö(100msÃ±°Ì)(¤³¤Î´Ö¤Ë¥é¥°¤òµÛ¼ý¤¹¤ë) */
  38 static int server_port;
  39 static char server_name[MAX_HOSTNAME];
  40
  41
  42 #ifdef WINDOWS
  43 #define close closesocket
  44 #endif
  45
  46 #ifdef MACINTOSH
  47 static InetSvcRef inet_services = nil;
  48 static EndpointRef ep                   = kOTInvalidEndpointRef;
  49 #endif
  50
  51 /* ÉÁ²è¤¹¤ë»þ¹ï¤ò³Ð¤¨¤Æ¤ª¤¯¥¥å¡¼¹½Â¤ÂÎ */
  52 static struct
  53 {
  54         int time[FRESH_QUEUE_SIZE];
  55         int next;
  56         int tail;
  57 }fresh_queue;
  58
  59
  60 /* ¥ê¥ó¥°¥Ð¥Ã¥Õ¥¡¹½Â¤ÂÎ */
  61 static struct
  62 {
  63         char *buf;
  64         int wptr;
  65         int rptr;
  66         int inlen;
  67 }ring;
  68
  69 #ifdef MACINTOSH
  70 int recv(int s, char *buffer, size_t buflen, int flags)
  71 {
  72         OTFlags         junkFlags;
  73         int n = OTRcv(ep, (void *) buffer, buflen, &junkFlags);
  74         if( n <= 0 )
  75                 return n;
  76         return n;
  77 }
  78 #endif
  79
  80 /* ANSI C¤Ë¤è¤ì¤ÐstaticÊÑ¿ô¤Ï0¤Ç½é´ü²½¤µ¤ì¤ë¤¬°ì±þ½é´ü²½¤¹¤ë */
  81 static errr init_chuukei()
  82 {
  83         fresh_queue.next = fresh_queue.tail = 0;
  84         ring.wptr = ring.rptr = ring.inlen = 0;
  85         fresh_queue.time[0] = 0;
  86         ring.buf = malloc(RINGBUF_SIZE);
  87         if (ring.buf == NULL) return (-1);
  88
  89         return (0);
  90 }
  91
  92 /* ¸½ºß¤Î»þ´Ö¤ò100msÃ±°Ì¤Ç¼èÆÀ¤¹¤ë */
  93 static long get_current_time(void)
  94 {
  95 #ifdef WINDOWS
  96         return GetTickCount() / 100;
  97 #elif defined(MACINTOSH)
  98         return TickCount();
  99 #else
 100         struct timeval tv;
 101         gettimeofday(&tv, NULL);
 102
 103         return (tv.tv_sec * 10 + tv.tv_usec / 100000);
 104 #endif
 105 }
 106
 107
 108 /* ¥ê¥ó¥°¥Ð¥Ã¥Õ¥¡¹½Â¤ÂÎ¤Ë buf ¤ÎÆâÍÆ¤ò²Ã¤¨¤ë */
 109 static errr insert_ringbuf(char *buf)
 110 {
 111         int len;
 112         len = strlen(buf) + 1; /* +1¤Ï½ªÃ¼Ê¸»úÊ¬ */
 113
 114         /* ¥Ð¥Ã¥Õ¥¡¤ò¥ª¡¼¥Ð¡¼ */
 115         if (ring.inlen + len >= RINGBUF_SIZE)
 116         {
 117                 chuukei_server = FALSE;
 118                 chuukei_client = FALSE;
 119
 120                 prt("¥Ð¥Ã¥Õ¥¡¤¬°î¤ì¤Þ¤·¤¿¡£¥µ¡¼¥Ð¤È¤ÎÀÜÂ³¤òÀÚÃÇ¤·¤Þ¤¹¡£", 0, 0);
 121                 inkey();
 122
 123                 close(sd);
 124
 125                 return (-1);
 126         }
 127
 128         /* ¥Ð¥Ã¥Õ¥¡¤Î½ªÃ¼¤Þ¤Ç¤Ë¼ý¤Þ¤ë */
 129         if (ring.wptr + len < RINGBUF_SIZE)
 130         {
 131                 memcpy(ring.buf + ring.wptr, buf, len);
 132                 ring.wptr += len;
 133         }
 134         /* ¥Ð¥Ã¥Õ¥¡¤Î½ªÃ¼¤Þ¤Ç¤Ë¼ý¤Þ¤é¤Ê¤¤(¥Ô¥Ã¥¿¥ê¼ý¤Þ¤ë¾ì¹ç¤â´Þ¤à) */
 135         else
 136         {
 137                 int head = RINGBUF_SIZE - ring.wptr;  /* Á°È¾ */
 138                 int tail = len - head;               /* ¸åÈ¾ */
 139
 140                 memcpy(ring.buf + ring.wptr, buf, head);
 141                 memcpy(ring.buf, buf + head, tail);
 142                 ring.wptr = tail;
 143         }
 144
 145         ring.inlen += len;
 146
 147         /* Success */
 148         return (0);
 149 }
 150
 151 void flush_ringbuf(void)
 152 {
 153 #ifndef MACINTOSH
 154         fd_set fdset;
 155         struct timeval tv;
 156         int writen = 0;
 157
 158         if (!chuukei_server) return;
 159
 160         if (ring.inlen == 0) return;
 161
 162         tv.tv_sec = 0;
 163         tv.tv_usec = 0;
 164
 165         FD_ZERO(&fdset);
 166         FD_SET(sd, &fdset);
 167
 168         while (1)
 169         {
 170                 fd_set tmp_fdset;
 171                 struct timeval tmp_tv;
 172                 int result;
 173
 174                 tmp_fdset = fdset;
 175                 tmp_tv = tv;
 176
 177                 /* ¥½¥±¥Ã¥È¤Ë¥Ç¡¼¥¿¤ò½ñ¤¹þ¤á¤ë¤«¤É¤¦¤«Ä´¤Ù¤ë */
 178                 select(sd+1, (fd_set *)NULL, &tmp_fdset, (fd_set *)NULL, &tv);
 179
 180                 /* ½ñ¤¹þ¤á¤Ê¤±¤ì¤ÐÌá¤ë */
 181                 if (FD_ISSET(sd, &tmp_fdset) == 0) break;
 182
 183                 result = send(sd, ring.buf + ring.rptr, ((ring.wptr > ring.rptr ) ? ring.wptr : RINGBUF_SIZE) - ring.rptr, 0);
 184
 185                 if (result <= 0)
 186                 {
 187                         /* ¥µ¡¼¥Ð¤È¤ÎÀÜÂ³ÃÇ¡© */
 188                         chuukei_server = FALSE;
 189
 190                         prt("¥µ¡¼¥Ð¤È¤ÎÀÜÂ³¤¬ÀÚÃÇ¤µ¤ì¤Þ¤·¤¿¡£", 0, 0);
 191                         inkey();
 192                         close(sd);
 193
 194                         return;
 195                 }
 196
 197                 ring.rptr += result;
 198                 ring.inlen -= result;
 199                 writen += result;
 200
 201                 if (ring.rptr == RINGBUF_SIZE) ring.rptr = 0;
 202                 if (ring.inlen == 0) break;
 203         }
 204 #else
 205         struct timeval tv;
 206         int writen = 0;
 207
 208         if (!chuukei_server) return;
 209
 210         if (ring.inlen == 0) return;
 211
 212         tv.tv_sec = 0;
 213         tv.tv_usec = 0;
 214
 215         while (1)
 216         {
 217                 struct timeval tmp_tv;
 218                 int result;
 219
 220                 tmp_tv = tv;
 221
 222                 /* ¥½¥±¥Ã¥È¤Ë¥Ç¡¼¥¿¤ò½ñ¤¹þ¤á¤ë¤«¤É¤¦¤«Ä´¤Ù¤ë */
 223                 result = OTSnd(ep, ring.buf + ring.rptr, ((ring.wptr > ring.rptr ) ? ring.wptr : RINGBUF_SIZE) - ring.rptr, 0);
 224
 225                 if (result <= 0)
 226                 {
 227                         /* ¥µ¡¼¥Ð¤È¤ÎÀÜÂ³ÃÇ¡© */
 228                         chuukei_server = FALSE;
 229
 230                         prt("¥µ¡¼¥Ð¤È¤ÎÀÜÂ³¤¬ÀÚÃÇ¤µ¤ì¤Þ¤·¤¿¡£", 0, 0);
 231                         inkey();
 232                         close(sd);
 233
 234                         return;
 235                 }
 236
 237                 ring.rptr += result;
 238                 ring.inlen -= result;
 239                 writen += result;
 240
 241                 if (ring.rptr == RINGBUF_SIZE) ring.rptr = 0;
 242                 if (ring.inlen == 0) break;
 243         }
 244 #endif
 245 }
 246
 247 static int read_chuukei_prf(cptr prf_name)
 248 {
 249         char buf[1024];
 250         FILE *fp;
 251
 252         path_build(buf, 1024, ANGBAND_DIR_XTRA, prf_name);
 253         fp = my_fopen(buf, "r");
 254
 255         if (!fp) return (-1);
 256
 257         /* ½é´ü²½ */
 258         server_port = -1;
 259         server_name[0] = 0;
 260         browse_delay = DEFAULT_DELAY;
 261
 262         while (0 == my_fgets(fp, buf, 1024))
 263         {
 264                 /* ¥µ¡¼¥ÐÌ¾ */
 265                 if (!strncmp(buf, "server:", 7))
 266                 {
 267                         strncpy(server_name, buf + 7, MAX_HOSTNAME);
 268                 }
 269
 270                 /* ¥Ý¡¼¥ÈÈÖ¹æ */
 271                 if (!strncmp(buf, "port:", 5))
 272                 {
 273                         server_port = atoi(buf + 5);
 274                 }
 275
 276                 /* ¥Ç¥£¥ì¥¤ */
 277                 if (!strncmp(buf, "delay:", 6))
 278                 {
 279                         browse_delay = atoi(buf + 6);
 280                 }
 281         }
 282
 283         my_fclose(fp);
 284
 285         /* prf¥Õ¥¡¥¤¥ë¤¬´°Á´¤Ç¤Ê¤¤ */
 286         if (server_port == -1 || server_name[0] == 0) return (-1);
 287
 288         return (0);
 289 }
 290
 291 int connect_chuukei_server(char *prf_name)
 292 {
 293 #ifndef MACINTOSH
 294
 295 #ifdef WINDOWS
 296         WSADATA wsaData;
 297         WORD wVersionRequested = (WORD) (( 1) |  ( 1 << 8));
 298 #endif
 299
 300         struct sockaddr_in ask;
 301         struct hostent *hp;
 302
 303         if (read_chuukei_prf(prf_name) < 0)
 304         {
 305                 printf("Wrong prf file\n");
 306                 return (-1);
 307         }
 308
 309         if (init_chuukei() < 0)
 310         {
 311                 printf("Malloc error\n");
 312                 return (-1);
 313         }
 314
 315 #ifdef WINDOWS
 316         if (WSAStartup(wVersionRequested, &wsaData))
 317         {
 318                 msg_print("Report: WSAStartup failed.");
 319                 return (-1);
 320         }
 321 #endif
 322
 323         printf("server = %s\nport = %d\n", server_name, server_port);
 324
 325         if ((hp = gethostbyname(server_name)) != NULL)
 326         {
 327                 memset(&ask, 0, sizeof(ask));
 328                 memcpy(&ask.sin_addr, hp->h_addr_list[0], hp->h_length);
 329         }
 330         else
 331         {
 332                 if ((ask.sin_addr.s_addr=inet_addr(server_name)) == 0)
 333                 {
 334                         printf("Bad hostname\n");
 335                         return (-1);
 336                 }
 337         }
 338
 339         ask.sin_family = AF_INET;
 340         ask.sin_port = htons(server_port);
 341
 342 #ifndef WINDOWS
 343         if ((sd=socket(PF_INET,SOCK_STREAM, 0)) < 0)
 344 #else
 345         if ((sd=socket(PF_INET,SOCK_STREAM, 0)) == INVALID_SOCKET)
 346 #endif
 347         {
 348                 printf("Can't create socket\n");
 349                 return (-1);
 350         }
 351
 352         if (connect(sd, (struct sockaddr *)&ask, sizeof(ask)) < 0)
 353         {
 354                 close(sd);
 355                 printf("Can't connect %s port %d\n", server_name, server_port);
 356                 return (-1);
 357         }
 358
 359         epoch_time = get_current_time();
 360
 361         return (0);
 362 #else   /* MACINTOSH */
 363         OSStatus err;
 364         InetHostInfo    response;
 365         InetHost                host_addr;
 366         InetAddress     inAddr;
 367         TCall                   sndCall;
 368         Boolean                 bind    = false;
 369         OSStatus        junk;
 370
 371         if (read_chuukei_prf(prf_name) < 0){
 372                 printf("Wrong prf file\n");
 373                 return (-1);
 374         }
 375
 376         init_chuukei();
 377
 378         printf("server = %s\nport = %d\n", server_name, server_port);
 379
 380
 381 #if TARGET_API_MAC_CARBON
 382         err = InitOpenTransportInContext(kInitOTForApplicationMask, NULL);
 383 #else
 384         err = InitOpenTransport();
 385 #endif
 386
 387         memset(&response, 0, sizeof(response));
 388
 389
 390 #if TARGET_API_MAC_CARBON
 391         inet_services = OTOpenInternetServicesInContext(kDefaultInternetServicesPath, 0, &err, NULL);
 392 #else
 393         inet_services = OTOpenInternetServices(kDefaultInternetServicesPath, 0, &err);
 394 #endif
 395
 396         if (err == noErr) {
 397                 err = OTInetStringToAddress(inet_services, (char *)server_name, &response);
 398
 399                 if (err == noErr) {
 400                         host_addr = response.addrs[0];
 401                 } else {
 402                         printf("Bad hostname\n");
 403                 }
 404
 405 #if TARGET_API_MAC_CARBON
 406                 ep = (void *)OTOpenEndpointInContext(OTCreateConfiguration(kTCPName), 0, nil, &err, NULL);
 407 #else
 408                 ep = (void *)OTOpenEndpoint(OTCreateConfiguration(kTCPName), 0, nil, &err);
 409 #endif
 410
 411                 if (err == noErr) {
 412                         err = OTBind(ep, nil, nil);
 413                         bind = (err == noErr);
 414             }
 415             if (err == noErr){
 416                 OTInitInetAddress(&inAddr, server_port, host_addr);
 417
 418                         sndCall.addr.len        = sizeof(InetAddress);
 419                         sndCall.addr.buf        = (unsigned char*) &inAddr;
 420                         sndCall.opt.buf         = nil;          // no connection options
 421                         sndCall.opt.len         = 0;
 422                         sndCall.udata.buf       = nil;          // no connection data
 423                         sndCall.udata.len       = 0;
 424                         sndCall.sequence        = 0;            // ignored by OTConnect
 425
 426                         err = OTConnect(ep, &sndCall, NULL);
 427
 428                         if( err != noErr ){
 429                                 printf("Can't connect %s port %d\n", server_name, server_port);
 430                         }
 431                 }
 432
 433                 err = OTSetSynchronous(ep);
 434                 if (err == noErr)
 435                         err = OTSetBlocking(ep);
 436
 437         }
 438
 439         if( err != noErr ){
 440                 if( bind ){
 441                         OTUnbind(ep);
 442                 }
 443                 /* Clean up. */
 444                 if (ep != kOTInvalidEndpointRef) {
 445                         OTCloseProvider(ep);
 446                         ep = nil;
 447                 }
 448                 if (inet_services != nil) {
 449                         OTCloseProvider(inet_services);
 450                         inet_services = nil;
 451                 }
 452
 453                 return -1;
 454         }
 455
 456         return 0;
 457
 458 #endif
 459 }
 460
 461 #ifdef SJIS
 462 static void sjis2euc(char *str)
 463 {
 464         int i, l;
 465         unsigned char c1, c2;
 466         int kanji = 0;
 467         int iseuc = 1;
 468         l = strlen(str);
 469
 470         for (i = 0; i < l; i++)
 471         {
 472                 c1 = str[i];
 473                 if (c1 & 0x80) kanji = 1;
 474                 if (c1>=0x80 && (c1 < 0xa1 || c1 > 0xfe)) iseuc = 0;
 475         }
 476
 477         if (kanji && !iseuc)
 478         {
 479                 unsigned char tmp[256];
 480
 481                 for (i = 0; i < l; i++)
 482                 {
 483                         c1 = str[i];
 484                         if (c1 & 0x80)
 485                         {
 486                                 i++;
 487                                 c2 = str[i];
 488                                 if (c2 >= 0x9f)
 489                                 {
 490                                         c1 = c1 * 2 - (c1 >= 0xe0 ? 0xe0 : 0x60);
 491                                         c2 += 2;
 492                                 }
 493                                 else
 494                                 {
 495                                         c1 = c1 * 2 - (c1 >= 0xe0 ? 0xe1 : 0x61);
 496                                         c2 += 0x60 + (c2 < 0x7f);
 497                                 }
 498                                 tmp[i - 1] = c1;
 499                                 tmp[i] = c2;
 500                         }
 501                         else
 502                                 tmp[i] = c1;
 503                 }
 504                 tmp[l] = 0;
 505                 strcpy(str, tmp);
 506         }
 507 }
 508
 509 static void euc2sjis(char *str)
 510 {
 511         int i, l;
 512         unsigned char c1, c2;
 513         int kanji = 0;
 514         int iseuc = 1;
 515         l = strlen(str);
 516
 517         for (i = 0; i < l; i++)
 518         {
 519                 c1 = str[i];
 520                 if (c1 & 0x80)  kanji = 1;
 521                 if (c1>=0x80 && (c1 < 0xa1 || c1 > 0xfe)) iseuc = 0;
 522         }
 523         if (kanji && iseuc)
 524         {
 525                 unsigned char   tmp[256];
 526
 527                 for (i = 0; i < l; i++)
 528                 {
 529                         c1 = str[i];
 530                         if (c1 & 0x80)
 531                         {
 532                                 i++;
 533                                 c2 = str[i];
 534                                 if (c1 % 2)
 535                                 {
 536                                         c1 = (c1 >> 1) + (c1 < 0xdf ? 0x31 : 0x71);
 537                                         c2 -= 0x60 + (c2 < 0xe0);
 538                                 }
 539                                 else
 540                                 {
 541                                         c1 = (c1 >> 1) + (c1 < 0xdf ? 0x30 : 0x70);
 542                                         c2 -= 2;
 543                                 }
 544
 545                                 tmp[i - 1] = c1;
 546                                 tmp[i] = c2;
 547                         }
 548                         else
 549                                 tmp[i] = c1;
 550                 }
 551                 tmp[l] = 0;
 552                 strcpy(str, tmp);
 553         }
 554 }
 555 #endif
 556
 557 /* str¤¬Æ±¤¸Ê¸»ú¤Î·«¤êÊÖ¤·¤«¤É¤¦¤«Ä´¤Ù¤ë */
 558 static bool string_is_repeat(char *str, int len)
 559 {
 560         char c = str[0];
 561         int i;
 562
 563         if (len < 2) return (FALSE);
 564 #ifdef JP
 565         if (iskanji(c)) return (FALSE);
 566 #endif
 567
 568         for (i = 1; i < len; i++)
 569         {
 570 #ifdef JP
 571                 if(c != str[i] || iskanji(str[i])) return (FALSE);
 572 #else
 573                 if(c != str[i]) return (FALSE);
 574 #endif
 575         }
 576
 577         return (TRUE);
 578 }
 579
 580 void send_text_to_chuukei_server(int x, int y, int len, int col, char *str)
 581 {
 582         char buf[1024];
 583         char buf2[1024];
 584
 585         if (!chuukei_server || Term != angband_term[0]) return;
 586
 587         strncpy(buf2, str, len);
 588         buf2[len] = '\0';
 589
 590         if (len == 1)
 591         {
 592                 sprintf(buf, "s%c%c%c%c", x+1, y+1, col, buf2[0]);
 593         }
 594         else if(string_is_repeat(buf2, len))
 595         {
 596                 sprintf(buf, "n%c%c%c%c%c", x+1, y+1, len, col, buf2[0]);
 597         }
 598         else
 599         {
 600 #ifdef SJIS
 601                 sjis2euc(buf2);
 602 #endif
 603                 sprintf(buf, "t%c%c%c%c%s", x+1, y+1, len, col, buf2);
 604         }
 605
 606         insert_ringbuf(buf);
 607 }
 608
 609 void send_wipe_to_chuukei_server(int x, int y, int len)
 610 {
 611         char buf[1024];
 612
 613         if (!chuukei_server || Term != angband_term[0]) return;
 614
 615         sprintf(buf, "w%c%c%c", x+1, y+1, len);
 616
 617         insert_ringbuf(buf);
 618 }
 619
 620 void send_xtra_to_chuukei_server(int n)
 621 {
 622         char buf[1024];
 623
 624         if (!chuukei_server || Term != angband_term[0]) return;
 625         sprintf(buf, "x%c", n+1);
 626
 627         insert_ringbuf(buf);
 628
 629         if (n == TERM_XTRA_FRESH)
 630         {
 631                 sprintf(buf, "d%ld", get_current_time() - epoch_time);
 632                 insert_ringbuf(buf);
 633         }
 634 }
 635
 636 void send_curs_to_chuukei_server(int x, int y)
 637 {
 638         char buf[1024];
 639
 640         if (!chuukei_server || Term != angband_term[0]) return;
 641         sprintf(buf, "c%c%c", x+1, y+1);
 642
 643         insert_ringbuf(buf);
 644 }
 645
 646 static int read_sock(void)
 647 {
 648         char buf[1024];
 649         int i;
 650
 651         for (i = 0;; i++)
 652         {
 653                 if (recv(sd, buf+i, 1, 0) <= 0)
 654                         return -1;
 655
 656                 if (buf[i] == '\0')
 657                 {
 658                         if (buf[0] == 'd')
 659                         {
 660                                 int timestamp = atoi(buf + 1);
 661                                 long current_time = get_current_time();
 662
 663                                 /* ºÇ½é¤Î»þ´Ö¤òÊÝÂ¸¤·¤Æ¤ª¤¯ */
 664                                 if (!fresh_queue.time[0])
 665                                 {
 666                                         epoch_time = current_time;
 667                                         epoch_time += browse_delay;
 668                                         epoch_time -= timestamp;
 669                                         time_diff = current_time - timestamp;
 670                                 }
 671
 672                                 fresh_queue.time[fresh_queue.tail] = timestamp;
 673                                 fresh_queue.tail ++;
 674
 675                                 if (fresh_queue.tail == FRESH_QUEUE_SIZE)
 676                                         fresh_queue.tail = 0;
 677
 678                                 /* ¥×¥ì¥¤Â¦¤È¤Î¥Ç¥£¥ì¥¤¤òÄ´À° */
 679                                 if (time_diff > current_time - timestamp)
 680                                 {
 681                                         long old_time_diff = time_diff;
 682                                         time_diff = current_time - timestamp;
 683                                         epoch_time -= (old_time_diff - time_diff);
 684                                 }
 685
 686                                 if (fresh_queue.tail == fresh_queue.next)
 687                                 {
 688                                         /* queue°î¤ì */
 689                                         close(sd);
 690                                         exit(1);
 691                                 }
 692
 693                         }
 694
 695                         if (insert_ringbuf(buf) < 0)
 696                                 return -1;
 697                         return (i);
 698                 }
 699         }
 700 }
 701
 702
 703 #ifndef WINDOWS
 704 /* WinÈÇ¤Î¾²¤ÎÃæÅÀ¤ÈÊÉ¤ÎÆ¦Éå¤ò¥Ô¥ê¥ª¥É¤È¥·¥ã¡¼¥×¤Ë¤¹¤ë¡£*/
 705 void win2unix(int col, char *buf)
 706 {
 707         char kabe;
 708         if ( col == 9 ) kabe = '%';
 709         else            kabe = '#';
 710
 711         while (*buf)
 712         {
 713 #ifdef JP
 714                 if (iskanji(*buf))
 715                 {
 716                         buf += 2;
 717                         continue;
 718                 }
 719 #endif
 720                 if (*buf == 127) *buf = kabe;
 721                 else if(*buf == 31) *buf = '.';
 722                 buf++;
 723         }
 724 }
 725 #endif
 726
 727 static bool get_nextbuf(char *buf)
 728 {
 729         char *ptr = buf;
 730
 731         while (1)
 732         {
 733                 *ptr = ring.buf[ring.rptr ++];
 734                 ring.inlen --;
 735                 if (ring.rptr == RINGBUF_SIZE) ring.rptr = 0;
 736                 if (*ptr++ == '\0') break;
 737         }
 738
 739         if (buf[0] == 'd') return (FALSE);
 740
 741         return (TRUE);
 742 }
 743
 744 static bool flush_ringbuf_client(void)
 745 {
 746         char buf[1024];
 747
 748         /* ½ñ¤¯¥Ç¡¼¥¿¤Ê¤· */
 749         if (fresh_queue.next == fresh_queue.tail) return (FALSE);
 750
 751         /* ¤Þ¤À½ñ¤¯¤Ù¤»þ¤Ç¤Ê¤¤ */
 752         if (fresh_queue.time[fresh_queue.next] > get_current_time() - epoch_time) return (FALSE);
 753
 754         /* »þ´Ö¾ðÊó(¶èÀÚ¤ê)¤¬ÆÀ¤é¤ì¤ë¤Þ¤Ç½ñ¤¯ */
 755         while (get_nextbuf(buf))
 756         {
 757                 char id;
 758                 int x, y, len, col;
 759                 int i;
 760                 char tmp1, tmp2, tmp3, tmp4;
 761                 char *mesg;
 762
 763                 sscanf(buf, "%c%c%c%c%c", &id, &tmp1, &tmp2, &tmp3, &tmp4);
 764                 x = tmp1-1; y = tmp2-1; len = tmp3; col = tmp4;
 765                 if (id == 's')
 766                 {
 767                         col = tmp3;
 768                         mesg = &buf[4];
 769                 }
 770                 else mesg = &buf[5];
 771 #ifndef WINDOWS
 772                 win2unix(col, mesg);
 773 #endif
 774
 775                 switch (id)
 776                 {
 777                 case 't': /* ÄÌ¾ï */
 778 #ifdef SJIS
 779                         euc2sjis(mesg);
 780 #endif
 781                         (void)((*angband_term[0]->text_hook)(x, y, len, col, mesg));
 782                         strncpy(&Term->scr->c[y][x], mesg, len);
 783                         for (i = x; i < x+len; i++)
 784                         {
 785                                 Term->scr->a[y][i] = col;
 786                         }
 787                         break;
 788
 789                 case 'n': /* ·«¤êÊÖ¤· */
 790                         for (i = 1; i < len; i++)
 791                         {
 792                                 mesg[i] = mesg[0];
 793                         }
 794                         mesg[i] = '\0';
 795                         (void)((*angband_term[0]->text_hook)(x, y, len, col, mesg));
 796                         strncpy(&Term->scr->c[y][x], mesg, len);
 797                         for (i = x; i < x+len; i++)
 798                         {
 799                                 Term->scr->a[y][i] = col;
 800                         }
 801                         break;
 802
 803                 case 's': /* °ìÊ¸»ú */
 804                         (void)((*angband_term[0]->text_hook)(x, y, 1, col, mesg));
 805                         strncpy(&Term->scr->c[y][x], mesg, 1);
 806                         Term->scr->a[y][x] = col;
 807                         break;
 808
 809                 case 'w':
 810                         (void)((*angband_term[0]->wipe_hook)(x, y, len));
 811                         break;
 812
 813                 case 'x':
 814                         if (x == TERM_XTRA_CLEAR) Term_clear();
 815                         (void)((*angband_term[0]->xtra_hook)(x, 0));
 816                         break;
 817
 818                 case 'c':
 819                         (void)((*angband_term[0]->curs_hook)(x, y));
 820                         break;
 821                 }
 822         }
 823
 824         fresh_queue.next++;
 825         if (fresh_queue.next == FRESH_QUEUE_SIZE) fresh_queue.next = 0;
 826         return (TRUE);
 827 }
 828
 829 void browse_chuukei()
 830 {
 831 #ifndef MACINTOSH
 832         fd_set fdset;
 833         struct timeval tv;
 834
 835         tv.tv_sec = 0;
 836         tv.tv_usec = WAIT;
 837
 838         FD_ZERO(&fdset);
 839         FD_SET(sd, &fdset);
 840
 841         Term_clear();
 842         Term_fresh();
 843         Term_xtra(TERM_XTRA_REACT, 0);
 844
 845         while (1)
 846         {
 847                 fd_set tmp_fdset;
 848                 struct timeval tmp_tv;
 849
 850                 if (flush_ringbuf_client()) continue;
 851
 852                 tmp_fdset = fdset;
 853                 tmp_tv = tv;
 854
 855                 /* ¥½¥±¥Ã¥È¤Ë¥Ç¡¼¥¿¤¬Íè¤Æ¤¤¤ë¤«¤É¤¦¤«Ä´¤Ù¤ë */
 856                 select(sd+1, &tmp_fdset, (fd_set *)NULL, (fd_set *)NULL, &tmp_tv);
 857                 if (FD_ISSET(sd, &tmp_fdset) == 0)
 858                 {
 859                         Term_xtra(TERM_XTRA_FLUSH, 0);
 860                         continue;
 861                 }
 862
 863                 if (read_sock() < 0)
 864                 {
 865                         chuukei_client = FALSE;
 866                 }
 867
 868                 /* ÀÜÂ³¤¬ÀÚ¤ì¤¿¾õÂÖ¤Ç½ñ¤¯¤Ù¤¥Ç¡¼¥¿¤¬¤Ê¤¯¤Ê¤Ã¤Æ¤¤¤¿¤é½ªÎ» */
 869                 if (!chuukei_client && fresh_queue.next == fresh_queue.tail ) break;
 870         }
 871 #else
 872         struct timeval tv;
 873
 874         tv.tv_sec = 0;
 875         tv.tv_usec = WAIT;
 876
 877         Term_clear();
 878         Term_fresh();
 879         Term_xtra(TERM_XTRA_REACT, 0);
 880
 881         while (1)
 882         {
 883                 struct timeval tmp_tv;
 884                 UInt32  unreadData = 0;
 885                 int n;
 886
 887                 if (flush_ringbuf_client()) continue;
 888
 889                 tmp_tv = tv;
 890
 891                 /* ¥½¥±¥Ã¥È¤Ë¥Ç¡¼¥¿¤¬Íè¤Æ¤¤¤ë¤«¤É¤¦¤«Ä´¤Ù¤ë */
 892
 893                 OTCountDataBytes(ep, &unreadData);
 894                 if(unreadData <= 0 ){
 895                         Term_xtra(TERM_XTRA_FLUSH, 0);
 896                         continue;
 897                 }
 898                 if (read_sock() < 0)
 899                 {
 900                         chuukei_client = FALSE;
 901                 }
 902
 903                 /* ÀÜÂ³¤¬ÀÚ¤ì¤¿¾õÂÖ¤Ç½ñ¤¯¤Ù¤¥Ç¡¼¥¿¤¬¤Ê¤¯¤Ê¤Ã¤Æ¤¤¤¿¤é½ªÎ» */
 904                 if (!chuukei_client && fresh_queue.next == fresh_queue.tail ) break;
 905         }
 906 #endif /*MACINTOSH*/
 907 }
 908
 909 #endif /* CHUUKEI */