perl/FCGI.PL

   1 use Config;
   2
   3 open OUT, ">FCGI.xs";
   4
   5 print "Generating FCGI.xs for Perl version $]\n";
   6 #unless (exists $Config{apiversion} && $Config{apiversion} >= 5.005)
   7 unless ($] >= 5.005) {
   8     for (qw(sv_undef diehook warnhook in_eval)) {
   9         print OUT "#define PL_$_ $_\n"
  10     }
  11 }
  12 print OUT while <DATA>;
  13 close OUT;
  14 __END__
  15 /* $Id: FCGI.PL,v 1.14 2000/04/21 18:10:53 skimo Exp $ */
  16
  17 #include "EXTERN.h"
  18 #include "perl.h"
  19 #include "XSUB.h"
  20
  21 #include "fcgi_config.h"
  22 #include "fcgiapp.h"
  23 #include "fastcgi.h"
  24
  25 #ifndef FALSE
  26 #define FALSE (0)
  27 #endif
  28
  29 #ifndef TRUE
  30 #define TRUE  (1)
  31 #endif
  32
  33 #ifndef dTHX
  34 #define dTHX
  35 #endif
  36
  37 #ifdef USE_SFIO
  38 typedef struct
  39 {
  40     Sfdisc_t    disc;
  41     FCGX_Stream *stream;
  42 } FCGI_Disc;
  43
  44 static ssize_t
  45 sffcgiread(f, buf, n, disc)
  46 Sfio_t*         f;      /* stream involved */
  47 Void_t*         buf;    /* buffer to read into */
  48 size_t          n;      /* number of bytes to read */
  49 Sfdisc_t*       disc;   /* discipline */
  50 {
  51     return FCGX_GetStr(buf, n, ((FCGI_Disc *)disc)->stream);
  52 }
  53
  54 static ssize_t
  55 sffcgiwrite(f, buf, n, disc)
  56 Sfio_t*         f;      /* stream involved */
  57 const Void_t*   buf;    /* buffer to read into */
  58 size_t          n;      /* number of bytes to read */
  59 Sfdisc_t*       disc;   /* discipline */
  60 {
  61     n = FCGX_PutStr(buf, n, ((FCGI_Disc *)disc)->stream);
  62     FCGX_FFlush(((FCGI_Disc *)disc)->stream);
  63     return n;
  64 }
  65
  66 Sfdisc_t *
  67 sfdcnewfcgi(stream)
  68         FCGX_Stream *stream;
  69 {
  70     FCGI_Disc*  disc;
  71
  72     New(1000,disc,1,FCGI_Disc);
  73     if (!disc) return (Sfdisc_t *)disc;
  74
  75     disc->disc.exceptf = (Sfexcept_f)NULL;
  76     disc->disc.seekf = (Sfseek_f)NULL;
  77     disc->disc.readf = sffcgiread;
  78     disc->disc.writef = sffcgiwrite;
  79     disc->stream = stream;
  80     return (Sfdisc_t *)disc;
  81 }
  82
  83 Sfdisc_t *
  84 sfdcdelfcgi(disc)
  85     Sfdisc_t*   disc;
  86 {
  87     Safefree(disc);
  88     return 0;
  89 }
  90 #endif
  91
  92 #if defined(USE_LOCKING) && defined(USE_THREADS)
  93 static perl_mutex   accept_mutex;
  94 #endif
  95
  96 typedef struct FCGP_Request {
  97     int             accepted;
  98     int             bound;
  99     SV*             svin;
 100     SV*             svout;
 101     SV*             sverr;
 102     GV*             gv[3];
 103     HV*             hvEnv;
 104     FCGX_Request*   requestPtr;
 105 #ifdef USE_SFIO
 106     int             sfcreated[3];
 107     IO*             io[3];
 108 #endif
 109 } FCGP_Request;
 110
 111 static void FCGI_Finish(FCGP_Request* request);
 112
 113 static int
 114 FCGI_Flush(FCGP_Request* request)
 115 {
 116     dTHX;
 117
 118     if(!request->bound) {
 119         return;
 120     }
 121 #ifdef USE_SFIO
 122     sfsync(IoOFP(GvIOp(request->gv[1])));
 123     sfsync(IoOFP(GvIOp(request->gv[2])));
 124 #else
 125     FCGX_FFlush((FCGX_Stream *) SvIV((SV*) SvRV(request->svout)));
 126     FCGX_FFlush((FCGX_Stream *) SvIV((SV*) SvRV(request->sverr)));
 127 #endif
 128 }
 129
 130 static void
 131 FCGI_UndoBinding(FCGP_Request* request)
 132 {
 133     dTHX;
 134
 135 #ifdef USE_SFIO
 136     sfdcdelfcgi(sfdisc(IoIFP(request->io[0]), SF_POPDISC));
 137     sfdcdelfcgi(sfdisc(IoOFP(request->io[1]), SF_POPDISC));
 138     sfdcdelfcgi(sfdisc(IoOFP(request->io[2]), SF_POPDISC));
 139 #else
 140     sv_unmagic((SV *)request->gv[0], 'q');
 141     sv_unmagic((SV *)request->gv[1], 'q');
 142     sv_unmagic((SV *)request->gv[2], 'q');
 143 #endif
 144     request->bound = FALSE;
 145 }
 146
 147 static void
 148 FCGI_Bind(FCGP_Request* request)
 149 {
 150     dTHX;
 151
 152 #ifdef USE_SFIO
 153     sfdisc(IoIFP(request->io[0]), sfdcnewfcgi(fcgx_req->in));
 154     sfdisc(IoOFP(request->io[1]), sfdcnewfcgi(fcgx_req->out));
 155     sfdisc(IoOFP(request->io[2]), sfdcnewfcgi(fcgx_req->err));
 156 #else
 157     sv_magic((SV *)request->gv[1], request->svout, 'q', Nullch, 0);
 158     sv_magic((SV *)request->gv[2], request->sverr, 'q', Nullch, 0);
 159     sv_magic((SV *)request->gv[0], request->svin, 'q', Nullch, 0);
 160 #endif
 161     request->bound = TRUE;
 162 }
 163
 164 static void
 165 populate_env(envp, hv)
 166 char **envp;
 167 HV *hv;
 168 {
 169     int i;
 170     char *p, *p1;
 171     SV   *sv;
 172     dTHX;
 173
 174     hv_clear(hv);
 175     for(i = 0; ; i++) {
 176         if((p = envp[i]) == NULL) {
 177             break;
 178         }
 179         p1 = strchr(p, '=');
 180         assert(p1 != NULL);
 181         sv = newSVpv(p1 + 1, 0);
 182         /* call magic for this value ourselves */
 183         hv_store(hv, p, p1 - p, sv, 0);
 184         SvSETMAGIC(sv);
 185     }
 186 }
 187
 188 static int
 189 FCGI_Accept(FCGP_Request* request)
 190 {
 191     static int isCGI = -1; /* -1: not checked; 0: FCGI; 1: FCGI */
 192
 193     int req_isCGI =
 194         request->requestPtr->listen_sock == FCGI_LISTENSOCK_FILENO ?
 195         isCGI : 0;
 196
 197     dTHX;
 198
 199     if(req_isCGI == -1) {
 200         /*
 201          * First call to FCGI_Accept.  Is application running
 202          * as FastCGI or as CGI?
 203          */
 204         req_isCGI = isCGI = FCGX_IsCGI();
 205     } else if(req_isCGI) {
 206         /*
 207          * Not first call to FCGI_Accept and running as CGI means
 208          * application is done.
 209          */
 210         return(EOF);
 211     }
 212     if(!req_isCGI) {
 213         FCGX_Request *fcgx_req = request->requestPtr;
 214         int acceptResult;
 215
 216         FCGI_Finish(request);
 217 #if defined(USE_LOCKING) && defined(USE_THREADS)
 218         MUTEX_LOCK(&accept_mutex);
 219 #endif
 220         acceptResult = FCGX_Accept_r(fcgx_req);
 221 #if defined(USE_LOCKING) && defined(USE_THREADS)
 222         MUTEX_UNLOCK(&accept_mutex);
 223 #endif
 224         if(acceptResult < 0) {
 225             return acceptResult;
 226         }
 227
 228         populate_env(fcgx_req->envp, request->hvEnv);
 229
 230 #ifdef USE_SFIO
 231         for (i = 0; i < 3; ++i) {
 232             request->io[i] = GvIOn(request->gv[i]);
 233             if (!(i == 0 ? IoIFP(request->io[i])
 234                          : IoOFP(request->io[i]))) {
 235                 IoIFP(request->io[i]) = sftmp(0);
 236                 /*IoIFP(request->io[i]) = sfnew(NULL, NULL, SF_UNBOUND, 0,
 237                                      SF_STRING | (i ? SF_WRITE : SF_READ));*/
 238                 if (i != 0)
 239                     IoOFP(request->io[i]) = IoIFP(request->io[i]);
 240                 request->sfcreated[i] = TRUE;
 241             }
 242         }
 243 #else
 244         if (!request->svout) {
 245             newSVrv(request->svout = newSV(0), "FCGI::Stream");
 246             newSVrv(request->sverr = newSV(0), "FCGI::Stream");
 247             newSVrv(request->svin = newSV(0), "FCGI::Stream");
 248         }
 249         sv_setiv(SvRV(request->svout), (IV) fcgx_req->out);
 250         sv_setiv(SvRV(request->sverr), (IV) fcgx_req->err);
 251         sv_setiv(SvRV(request->svin), (IV) fcgx_req->in);
 252 #endif
 253         FCGI_Bind(request);
 254         request->accepted = TRUE;
 255     }
 256     return 0;
 257 }
 258
 259 static void
 260 FCGI_Finish(FCGP_Request* request)
 261 {
 262     dTHX;
 263
 264     if(!request->accepted) {
 265         return;
 266     }
 267
 268     if (request->bound) {
 269         FCGI_UndoBinding(request);
 270     }
 271 #ifdef USE_SFIO
 272     for (i = 0; i < 3; ++i) {
 273         if (request->sfcreated[i]) {
 274             sfclose(IoIFP(request->io[i]));
 275             IoIFP(request->io[i]) = IoOFP(request->io[i]) = Nullfp;
 276             request->sfcreated[i] = FALSE;
 277         }
 278     }
 279 #endif
 280     FCGX_Finish_r(request->requestPtr);
 281     request->accepted = FALSE;
 282 }
 283
 284 static int
 285 FCGI_StartFilterData(FCGP_Request* request)
 286 {
 287     return request->requestPtr->in ?
 288             FCGX_StartFilterData(request->requestPtr->in) : -1;
 289 }
 290
 291 static FCGP_Request *
 292 FCGI_Request(in, out, err, env, socket, flags)
 293     GV*     in;
 294     GV*     out;
 295     GV*     err;
 296     HV*     env;
 297     int     socket;
 298     int     flags;
 299 {
 300     FCGX_Request* fcgx_req;
 301     FCGP_Request* req;
 302
 303     Newz(551, fcgx_req, 1, FCGX_Request);
 304     FCGX_InitRequest(fcgx_req, socket, flags);
 305     Newz(551, req, 1, FCGP_Request);
 306     req->requestPtr = fcgx_req;
 307     req->gv[0] = in;
 308     req->gv[1] = out;
 309     req->gv[2] = err;
 310     req->hvEnv = env;
 311
 312     return req;
 313 }
 314
 315 static void
 316 FCGI_Release_Request(FCGP_Request *req)
 317 {
 318     FCGI_Finish(req);
 319     Safefree(req->requestPtr);
 320     Safefree(req);
 321 }
 322
 323 static void
 324 FCGI_Init()
 325 {
 326 #if defined(USE_LOCKING) && defined(USE_THREADS)
 327     dTHX;
 328
 329     MUTEX_INIT(&accept_mutex);
 330 #endif
 331 }
 332
 333 typedef FCGX_Stream *   FCGI__Stream;
 334 typedef FCGP_Request *  FCGI;
 335 typedef GV*             GLOBREF;
 336 typedef HV*             HASHREF;
 337
 338 MODULE = FCGI           PACKAGE = FCGI
 339
 340 BOOT:
 341     FCGI_Init();
 342
 343 SV *
 344 RequestX(in, out, err, env, socket, flags)
 345     GLOBREF in;
 346     GLOBREF out;
 347     GLOBREF err;
 348     HASHREF env;
 349     int     socket;
 350     int     flags;
 351
 352     PROTOTYPE: ***$$$
 353     CODE:
 354     RETVAL = sv_setref_pv(newSV(0), "FCGI",
 355                 FCGI_Request(in, out, err, env, socket, flags));
 356
 357     OUTPUT:
 358     RETVAL
 359
 360 int
 361 OpenSocket(path, backlog)
 362     char* path;
 363     int backlog;
 364
 365     PROTOTYPE: $$
 366     CODE:
 367     RETVAL = FCGX_OpenSocket(path, backlog);
 368     OUTPUT:
 369     RETVAL
 370
 371 void
 372 CloseSocket(socket)
 373     int socket;
 374
 375     PROTOTYPE: $
 376     CODE:
 377     close(socket);
 378
 379 int
 380 Accept(request)
 381
 382     FCGI    request;
 383
 384     PROTOTYPE: $
 385
 386     CODE:
 387     RETVAL = FCGI_Accept(request);
 388
 389     OUTPUT:
 390     RETVAL
 391
 392
 393 void
 394 Finish(request)
 395
 396     FCGI    request;
 397
 398     PROTOTYPE: $
 399
 400     CODE:
 401     {
 402         /*
 403          * Finish the request.
 404          */
 405         FCGI_Finish(request);
 406     }
 407
 408
 409 void
 410 Flush(request)
 411
 412     FCGI    request;
 413
 414     PROTOTYPE: $
 415
 416     CODE:
 417     FCGI_Flush(request);
 418
 419 void
 420 Detach(request)
 421
 422     FCGI    request;
 423
 424     PROTOTYPE: $
 425
 426     CODE:
 427     if (request->accepted && request->bound)
 428         FCGI_UndoBinding(request);
 429
 430 void
 431 Attach(request)
 432
 433     FCGI    request;
 434
 435     PROTOTYPE: $
 436
 437     CODE:
 438     if (request->accepted && !request->bound)
 439         FCGI_Bind(request);
 440
 441
 442 int
 443 StartFilterData(request)
 444
 445     FCGI    request;
 446
 447     PROTOTYPE: $
 448
 449     CODE:
 450     RETVAL = FCGI_StartFilterData(request);
 451
 452     OUTPUT:
 453     RETVAL
 454
 455 void
 456 DESTROY(request)
 457     FCGI    request;
 458
 459     CODE:
 460     FCGI_Release_Request(request);
 461
 462
 463
 464 MODULE = FCGI           PACKAGE = FCGI::Stream
 465
 466 #ifndef USE_SFIO
 467
 468 void
 469 PRINT(stream, ...)
 470         FCGI::Stream    stream;
 471
 472         PREINIT:
 473         int     n;
 474
 475         CODE:
 476         for (n = 1; n < items; ++n) {
 477             STRLEN len;
 478             register char *tmps = (char *)SvPV(ST(n),len);
 479             FCGX_PutStr(tmps, len, stream);
 480         }
 481         if (SvTRUEx(perl_get_sv("|", FALSE)))
 482             FCGX_FFlush(stream);
 483
 484 int
 485 WRITE(stream, bufsv, len, ...)
 486         FCGI::Stream    stream;
 487         SV *    bufsv;
 488         int     len;
 489
 490         PREINIT:
 491         int     offset;
 492         char *  buf;
 493         STRLEN  blen;
 494         int     n;
 495
 496         CODE:
 497         offset = (items == 4) ? (int)SvIV(ST(3)) : 0;
 498         buf = SvPV(bufsv, blen);
 499         if (offset < 0) offset += blen;
 500         if (len > blen - offset)
 501             len = blen - offset;
 502         if (offset < 0 || offset >= blen ||
 503                 (n = FCGX_PutStr(buf+offset, len, stream)) < 0)
 504             ST(0) = &PL_sv_undef;
 505         else {
 506             ST(0) = sv_newmortal();
 507             sv_setpvf(ST(0), "%c", n);
 508         }
 509
 510 int
 511 READ(stream, bufsv, len, ...)
 512         FCGI::Stream    stream;
 513         SV *    bufsv;
 514         int     len;
 515
 516         PREINIT:
 517         int     offset;
 518         char *  buf;
 519
 520         CODE:
 521         offset = (items == 4) ? (int)SvIV(ST(3)) : 0;
 522         if (! SvOK(bufsv))
 523             sv_setpvn(bufsv, "", 0);
 524         buf = SvGROW(bufsv, len+offset+1);
 525         len = FCGX_GetStr(buf+offset, len, stream);
 526         SvCUR_set(bufsv, len+offset);
 527         *SvEND(bufsv) = '\0';
 528         (void)SvPOK_only(bufsv);
 529         SvSETMAGIC(bufsv);
 530         RETVAL = len;
 531
 532         OUTPUT:
 533         RETVAL
 534
 535 SV *
 536 GETC(stream)
 537         FCGI::Stream    stream;
 538
 539         PREINIT:
 540         int     retval;
 541
 542         CODE:
 543         if ((retval = FCGX_GetChar(stream)) != -1) {
 544             ST(0) = sv_newmortal();
 545             sv_setpvf(ST(0), "%c", retval);
 546         } else ST(0) = &PL_sv_undef;
 547
 548 bool
 549 CLOSE(stream)
 550         FCGI::Stream    stream;
 551
 552 #       ALIAS:
 553 #       DESTROY = 1
 554
 555         CODE:
 556         RETVAL = FCGX_FClose(stream) != -1;
 557
 558         OUTPUT:
 559         RETVAL
 560
 561 #endif