[catagits/fcgi2.git] / perl / FCGI.XL

use Config;

open OUT, ">FCGI.xs";

print "Generating FCGI.xs for Perl version $]\n";
#unless (exists $Config{apiversion} && $Config{apiversion} >= 5.005) 
unless ($] >= 5.005) {
    for (qw(sv_undef diehook warnhook in_eval)) {
	print OUT "#define PL_$_ $_\n" 
    }
}
print OUT while <DATA>;
close OUT;
__END__
/* $Id: FCGI.XL,v 1.8 2002/09/05 16:14:04 skimo Exp $ */

#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"

#include "fcgi_config.h"
#include "fcgiapp.h"
#include "fastcgi.h"

#ifndef FALSE
#define FALSE (0)
#endif

#ifndef TRUE
#define TRUE  (1)
#endif

#ifndef dTHX
#define dTHX
#endif

#ifndef INT2PTR
#define INT2PTR(a,b) ((a) (b))
#endif

#ifdef USE_SFIO
typedef struct
{
    Sfdisc_t	disc;
    FCGX_Stream	*stream;
} FCGI_Disc;

static ssize_t
sffcgiread(f, buf, n, disc)
Sfio_t*		f;      /* stream involved */
Void_t*		buf;    /* buffer to read into */
size_t		n;      /* number of bytes to read */
Sfdisc_t*	disc;   /* discipline */
{
    return FCGX_GetStr(buf, n, ((FCGI_Disc *)disc)->stream);
}

static ssize_t
sffcgiwrite(f, buf, n, disc)
Sfio_t*		f;      /* stream involved */
const Void_t*	buf;    /* buffer to read into */
size_t		n;      /* number of bytes to read */
Sfdisc_t*	disc;   /* discipline */
{
    n = FCGX_PutStr(buf, n, ((FCGI_Disc *)disc)->stream);
    FCGX_FFlush(((FCGI_Disc *)disc)->stream);
    return n;
}

Sfdisc_t *
sfdcnewfcgi(stream)
	FCGX_Stream *stream;
{
    FCGI_Disc*	disc;

    New(1000,disc,1,FCGI_Disc);
    if (!disc) return (Sfdisc_t *)disc;

    disc->disc.exceptf = (Sfexcept_f)NULL;
    disc->disc.seekf = (Sfseek_f)NULL;
    disc->disc.readf = sffcgiread;
    disc->disc.writef = sffcgiwrite;
    disc->stream = stream;
    return (Sfdisc_t *)disc;
}

Sfdisc_t *
sfdcdelfcgi(disc)
    Sfdisc_t*	disc;
{
    Safefree(disc);
    return 0;
}
#endif

#if defined(USE_LOCKING) && defined(USE_THREADS)
static perl_mutex   accept_mutex;
#endif

typedef struct FCGP_Request {
    int		    accepted;
    int		    bound;
    SV*		    svin;
    SV*		    svout;
    SV*		    sverr;
    GV*		    gv[3];
    HV*		    hvEnv;
    FCGX_Request*   requestPtr;
#ifdef USE_SFIO
    int		    sfcreated[3];
    IO*		    io[3];
#endif
} FCGP_Request;

static void FCGI_Finish(FCGP_Request* request);

static void 
FCGI_Flush(FCGP_Request* request)
{
    dTHX;

    if(!request->bound) {
	return;
	}
#ifdef USE_SFIO
    sfsync(IoOFP(GvIOp(request->gv[1])));
    sfsync(IoOFP(GvIOp(request->gv[2])));
#else
    FCGX_FFlush(INT2PTR(FCGX_Stream *, SvIV((SV*) SvRV(request->svout))));
    FCGX_FFlush(INT2PTR(FCGX_Stream *, SvIV((SV*) SvRV(request->sverr))));
#endif
}

static void
FCGI_UndoBinding(FCGP_Request* request)
{
    dTHX;

#ifdef USE_SFIO
    sfdcdelfcgi(sfdisc(IoIFP(request->io[0]), SF_POPDISC));
    sfdcdelfcgi(sfdisc(IoOFP(request->io[1]), SF_POPDISC));
    sfdcdelfcgi(sfdisc(IoOFP(request->io[2]), SF_POPDISC));
#else
    sv_unmagic((SV *)request->gv[0], 'q');
    sv_unmagic((SV *)request->gv[1], 'q');
    sv_unmagic((SV *)request->gv[2], 'q');
#endif
    request->bound = FALSE;
}

static void
FCGI_Bind(FCGP_Request* request)
{
    dTHX;

#ifdef USE_SFIO
    sfdisc(IoIFP(request->io[0]), sfdcnewfcgi(request->requestPtr->in));
    sfdisc(IoOFP(request->io[1]), sfdcnewfcgi(request->requestPtr->out));
    sfdisc(IoOFP(request->io[2]), sfdcnewfcgi(request->requestPtr->err));
#else
#  ifdef USE_PERLIO
    /* For tied filehandles, we apply tiedscalar magic to the IO
       slot of the GP rather than the GV itself. */

    if (!GvIOp(request->gv[1]))
	GvIOp(request->gv[1]) = newIO();
    if (!GvIOp(request->gv[2]))
	GvIOp(request->gv[2]) = newIO();
    if (!GvIOp(request->gv[0]))
	GvIOp(request->gv[0]) = newIO();

    sv_magic((SV *)GvIOp(request->gv[1]), request->svout, 'q', Nullch, 0);
    sv_magic((SV *)GvIOp(request->gv[2]), request->sverr, 'q', Nullch, 0);
    sv_magic((SV *)GvIOp(request->gv[0]), request->svin, 'q', Nullch, 0);
#  else
    sv_magic((SV *)request->gv[1], request->svout, 'q', Nullch, 0);
    sv_magic((SV *)request->gv[2], request->sverr, 'q', Nullch, 0);
    sv_magic((SV *)request->gv[0], request->svin, 'q', Nullch, 0);
#  endif
#endif
    request->bound = TRUE;
}

static void
populate_env(envp, hv)
char **envp;
HV *hv;
{
    int i;
    char *p, *p1;
    SV   *sv;
    dTHX;

    hv_clear(hv);
    for(i = 0; ; i++) {
	if((p = envp[i]) == NULL) {
	    break;
	}
	p1 = strchr(p, '=');
	assert(p1 != NULL);
	sv = newSVpv(p1 + 1, 0);
	/* call magic for this value ourselves */
	hv_store(hv, p, p1 - p, sv, 0);
	SvSETMAGIC(sv);
    }
}

static int
FCGI_IsFastCGI(FCGP_Request* request)
{
    static int isCGI = -1; /* -1: not checked; 0: FCGI; 1: CGI */

    if (request->requestPtr->listen_sock == FCGI_LISTENSOCK_FILENO) {
	if (isCGI == -1)
	    isCGI = FCGX_IsCGI();
	return !isCGI;
    }

    /* A explicit socket is being used -> assume FastCGI */
    return 1;
}

static int 
FCGI_Accept(FCGP_Request* request)
{
    dTHX;

    if (!FCGI_IsFastCGI(request)) {
	static int been_here = 0;

        /*
         * Not first call to FCGI_Accept and running as CGI means
         * application is done.
         */
	if (been_here)
	    return EOF;

	been_here = 1;
    } else {
#ifdef USE_SFIO
	int i;
#endif
	FCGX_Request *fcgx_req = request->requestPtr;
        int acceptResult;

	FCGI_Finish(request);
#if defined(USE_LOCKING) && defined(USE_THREADS)
	MUTEX_LOCK(&accept_mutex);
#endif
	acceptResult = FCGX_Accept_r(fcgx_req);
#if defined(USE_LOCKING) && defined(USE_THREADS)
	MUTEX_UNLOCK(&accept_mutex);
#endif
        if(acceptResult < 0) {
            return acceptResult;
        }

	populate_env(fcgx_req->envp, request->hvEnv);

#ifdef USE_SFIO
	for (i = 0; i < 3; ++i) {
	    request->io[i] = GvIOn(request->gv[i]);
	    if (!(i == 0 ? IoIFP(request->io[i]) 
			 : IoOFP(request->io[i]))) {
		IoIFP(request->io[i]) = sftmp(0);
		/*IoIFP(request->io[i]) = sfnew(NULL, NULL, SF_UNBOUND, 0, 
				     SF_STRING | (i ? SF_WRITE : SF_READ));*/
		if (i != 0) 
		    IoOFP(request->io[i]) = IoIFP(request->io[i]);
		request->sfcreated[i] = TRUE;
	    }
	}
#else
	if (!request->svout) {
	    newSVrv(request->svout = newSV(0), "FCGI::Stream");
	    newSVrv(request->sverr = newSV(0), "FCGI::Stream");
	    newSVrv(request->svin = newSV(0), "FCGI::Stream");
	}
	sv_setiv(SvRV(request->svout), INT2PTR(IV, fcgx_req->out));
	sv_setiv(SvRV(request->sverr), INT2PTR(IV, fcgx_req->err));
	sv_setiv(SvRV(request->svin), INT2PTR(IV, fcgx_req->in));
#endif
	FCGI_Bind(request);
	request->accepted = TRUE;
    }
    return 0;
}

static void 
FCGI_Finish(FCGP_Request* request)
{
#ifdef USE_SFIO
    int i;
#endif
    int was_bound;
    dTHX;

    if(!request->accepted) {
	return;
    }

    if (was_bound = request->bound) {
	FCGI_UndoBinding(request);
    }
#ifdef USE_SFIO
    for (i = 0; i < 3; ++i) {
	if (request->sfcreated[i]) {
	    sfclose(IoIFP(request->io[i]));
	    IoIFP(request->io[i]) = IoOFP(request->io[i]) = Nullfp;
	    request->sfcreated[i] = FALSE;
	}
    }
#endif
    if (was_bound)
	FCGX_Finish_r(request->requestPtr);
    else
	FCGX_Free(request->requestPtr, 1);
    request->accepted = FALSE;
}

static int 
FCGI_StartFilterData(FCGP_Request* request)
{
    return request->requestPtr->in ? 
	    FCGX_StartFilterData(request->requestPtr->in) : -1;
}

static FCGP_Request *
FCGI_Request(in, out, err, env, socket, flags)
    GV*	    in;
    GV*	    out;
    GV*	    err;
    HV*	    env;
    int	    socket;
    int	    flags;
{
    FCGX_Request* fcgx_req;
    FCGP_Request* req;

    Newz(551, fcgx_req, 1, FCGX_Request);
    FCGX_InitRequest(fcgx_req, socket, flags);
    Newz(551, req, 1, FCGP_Request);
    req->requestPtr = fcgx_req;
    SvREFCNT_inc(in);
    req->gv[0] = in;
    SvREFCNT_inc(out);
    req->gv[1] = out;
    SvREFCNT_inc(err);
    req->gv[2] = err;
    SvREFCNT_inc(env);
    req->hvEnv = env;

    return req;
}

static void
FCGI_Release_Request(FCGP_Request *req)
{
    SvREFCNT_dec(req->gv[0]);
    SvREFCNT_dec(req->gv[1]);
    SvREFCNT_dec(req->gv[2]);
    SvREFCNT_dec(req->hvEnv);
    FCGI_Finish(req);
    Safefree(req->requestPtr);
    Safefree(req);
}

static void
FCGI_Init()
{
#if defined(USE_LOCKING) && defined(USE_THREADS)
    dTHX;

    MUTEX_INIT(&accept_mutex);
#endif

    FCGX_Init();
}

typedef FCGX_Stream *	FCGI__Stream;
typedef FCGP_Request *	FCGI;
typedef	GV*		GLOBREF;
typedef	HV*		HASHREF;

MODULE = FCGI		PACKAGE = FCGI	    PREFIX = FCGI_

BOOT:
    FCGI_Init();

SV *
RequestX(in, out, err, env, socket, flags)
    GLOBREF in;
    GLOBREF out;
    GLOBREF err;
    HASHREF env;
    int	    socket;
    int	    flags;

    PROTOTYPE: ***$$$
    CODE:
    RETVAL = sv_setref_pv(newSV(0), "FCGI", 
		FCGI_Request(in, out, err, env, socket, flags));

    OUTPUT:
    RETVAL

int
OpenSocket(path, backlog)
    char* path;
    int backlog;

    PROTOTYPE: $$
    CODE:
    RETVAL = FCGX_OpenSocket(path, backlog);
    OUTPUT:
    RETVAL

void
CloseSocket(socket)
    int socket;

    PROTOTYPE: $
    CODE:
    close(socket);

int
FCGI_Accept(request)

    FCGI    request;

    PROTOTYPE: $

void
FCGI_Finish(request)
    FCGI    request;

    PROTOTYPE: $

void
FCGI_Flush(request)
    FCGI    request;

    PROTOTYPE: $

HV *
GetEnvironment(request)
    FCGI    request;

    PROTOTYPE: $

    CODE:
    RETVAL = request->hvEnv;

    OUTPUT: 
    RETVAL

void
GetHandles(request)
    FCGI    request;

    PROTOTYPE: $

    PREINIT:
    int	    i;

    PPCODE:
    EXTEND(sp,3);
    for (i = 0; i < 3; ++i)
	PUSHs(sv_2mortal(newRV((SV *) request->gv[i])));

int
FCGI_IsFastCGI(request)
    FCGI    request;

    PROTOTYPE: $

void
Detach(request)
    FCGI    request;

    PROTOTYPE: $

    CODE:
    if (request->accepted && request->bound)
	FCGI_UndoBinding(request);

void
Attach(request)
    FCGI    request;

    PROTOTYPE: $

    CODE:
    if (request->accepted && !request->bound)
	FCGI_Bind(request);

void
LastCall(request)
    FCGI    request;

    PROTOTYPE: $

    CODE:
    FCGX_ShutdownPending();

int
FCGI_StartFilterData(request)

    FCGI    request;

    PROTOTYPE: $

void
DESTROY(request)
    FCGI    request;

    CODE:
    FCGI_Release_Request(request);


MODULE = FCGI		PACKAGE = FCGI::Stream

#ifndef USE_SFIO

void
PRINT(stream, ...)
	FCGI::Stream	stream;

	PREINIT:
	int	n;

	CODE:
	for (n = 1; n < items; ++n) {
            STRLEN len;
            register char *tmps = (char *)SvPV(ST(n),len);
            FCGX_PutStr(tmps, len, stream);
	}
	if (SvTRUEx(perl_get_sv("|", FALSE))) 
	    FCGX_FFlush(stream);

int
WRITE(stream, bufsv, len, ...)
	FCGI::Stream	stream;
	SV *	bufsv;
	int	len;

	PREINIT:
	int	offset;
	char *	buf;
	STRLEN	blen;
	int	n;

	CODE:
	offset = (items == 4) ? (int)SvIV(ST(3)) : 0;
	buf = SvPV(bufsv, blen);
	if (offset < 0) offset += blen;
	if (len > blen - offset)
	    len = blen - offset;
	if (offset < 0 || offset >= blen ||
		(n = FCGX_PutStr(buf+offset, len, stream)) < 0) 
	    ST(0) = &PL_sv_undef;
	else {
	    ST(0) = sv_newmortal();
	    sv_setpvf(ST(0), "%c", n);
	}

int
READ(stream, bufsv, len, ...)
	FCGI::Stream	stream;
	SV *	bufsv;
	int	len;

	PREINIT:
	int	offset;
	char *	buf;

	CODE:
	offset = (items == 4) ? (int)SvIV(ST(3)) : 0;
	if (! SvOK(bufsv))
	    sv_setpvn(bufsv, "", 0);
	buf = SvGROW(bufsv, len+offset+1);
	len = FCGX_GetStr(buf+offset, len, stream);
	SvCUR_set(bufsv, len+offset);
	*SvEND(bufsv) = '\0';
	(void)SvPOK_only(bufsv);
	SvSETMAGIC(bufsv);
	RETVAL = len;

	OUTPUT:
	RETVAL

SV *
GETC(stream)
	FCGI::Stream	stream;

	PREINIT:
	int	retval;

	CODE:
	if ((retval = FCGX_GetChar(stream)) != -1) {
	    ST(0) = sv_newmortal();
	    sv_setpvf(ST(0), "%c", retval);
	} else ST(0) = &PL_sv_undef;

bool
CLOSE(stream)
	FCGI::Stream	stream;

#	ALIAS:
#	DESTROY = 1

	CODE:
	RETVAL = FCGX_FClose(stream) != -1;

	OUTPUT:
	RETVAL

#endif
Commit	Line	Data
0833402a	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__
6d7e3fb2	15	/* $Id: FCGI.XL,v 1.8 2002/09/05 16:14:04 skimo Exp $ */
0833402a	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
0c1fdec9	37	#ifndef INT2PTR
	38	#define INT2PTR(a,b) ((a) (b))
	39	#endif
	40
0833402a	41	#ifdef USE_SFIO
	42	typedef struct
	43	{
	44	Sfdisc_t disc;
	45	FCGX_Stream *stream;
	46	} FCGI_Disc;
	47
	48	static ssize_t
	49	sffcgiread(f, buf, n, disc)
	50	Sfio_t* f; /* stream involved */
	51	Void_t* buf; /* buffer to read into */
	52	size_t n; /* number of bytes to read */
	53	Sfdisc_t* disc; /* discipline */
	54	{
	55	return FCGX_GetStr(buf, n, ((FCGI_Disc *)disc)->stream);
	56	}
	57
	58	static ssize_t
	59	sffcgiwrite(f, buf, n, disc)
	60	Sfio_t* f; /* stream involved */
	61	const Void_t* buf; /* buffer to read into */
	62	size_t n; /* number of bytes to read */
	63	Sfdisc_t* disc; /* discipline */
	64	{
	65	n = FCGX_PutStr(buf, n, ((FCGI_Disc *)disc)->stream);
	66	FCGX_FFlush(((FCGI_Disc *)disc)->stream);
	67	return n;
	68	}
	69
	70	Sfdisc_t *
	71	sfdcnewfcgi(stream)
	72	FCGX_Stream *stream;
	73	{
	74	FCGI_Disc* disc;
	75
	76	New(1000,disc,1,FCGI_Disc);
	77	if (!disc) return (Sfdisc_t *)disc;
	78
	79	disc->disc.exceptf = (Sfexcept_f)NULL;
	80	disc->disc.seekf = (Sfseek_f)NULL;
	81	disc->disc.readf = sffcgiread;
	82	disc->disc.writef = sffcgiwrite;
	83	disc->stream = stream;
	84	return (Sfdisc_t *)disc;
	85	}
	86
	87	Sfdisc_t *
	88	sfdcdelfcgi(disc)
	89	Sfdisc_t* disc;
	90	{
	91	Safefree(disc);
	92	return 0;
	93	}
	94	#endif
	95
	96	#if defined(USE_LOCKING) && defined(USE_THREADS)
	97	static perl_mutex accept_mutex;
	98	#endif
	99
	100	typedef struct FCGP_Request {
	101	int accepted;
	102	int bound;
	103	SV* svin;
	104	SV* svout;
105	SV* sverr;
106	GV* gv[3];
107	HV* hvEnv;
108	FCGX_Request* requestPtr;
109	#ifdef USE_SFIO
110	int sfcreated[3];
111	IO* io[3];
112	#endif
113	} FCGP_Request;
114
115	static void FCGI_Finish(FCGP_Request* request);
116
9b60732b	117	static void
0833402a	118	FCGI_Flush(FCGP_Request* request)
	119	{
	120	dTHX;
	121
	122	if(!request->bound) {
	123	return;
9b60732b	124	}
0833402a	125	#ifdef USE_SFIO
	126	sfsync(IoOFP(GvIOp(request->gv[1])));
	127	sfsync(IoOFP(GvIOp(request->gv[2])));
	128	#else
9c31872c	129	FCGX_FFlush(INT2PTR(FCGX_Stream , SvIV((SV) SvRV(request->svout))));
9c31872c	130	FCGX_FFlush(INT2PTR(FCGX_Stream , SvIV((SV) SvRV(request->sverr))));
0833402a	131	#endif
	132	}
	133
	134	static void
	135	FCGI_UndoBinding(FCGP_Request* request)
	136	{
	137	dTHX;
	138
	139	#ifdef USE_SFIO
	140	sfdcdelfcgi(sfdisc(IoIFP(request->io[0]), SF_POPDISC));
	141	sfdcdelfcgi(sfdisc(IoOFP(request->io[1]), SF_POPDISC));
	142	sfdcdelfcgi(sfdisc(IoOFP(request->io[2]), SF_POPDISC));
	143	#else
	144	sv_unmagic((SV *)request->gv[0], 'q');
	145	sv_unmagic((SV *)request->gv[1], 'q');
	146	sv_unmagic((SV *)request->gv[2], 'q');
	147	#endif
	148	request->bound = FALSE;
	149	}
	150
	151	static void
	152	FCGI_Bind(FCGP_Request* request)
	153	{
	154	dTHX;
	155
	156	#ifdef USE_SFIO
	157	sfdisc(IoIFP(request->io[0]), sfdcnewfcgi(request->requestPtr->in));
	158	sfdisc(IoOFP(request->io[1]), sfdcnewfcgi(request->requestPtr->out));
	159	sfdisc(IoOFP(request->io[2]), sfdcnewfcgi(request->requestPtr->err));
	160	#else
6d7e3fb2	161	# ifdef USE_PERLIO
	162	/* For tied filehandles, we apply tiedscalar magic to the IO
	163	slot of the GP rather than the GV itself. */
	164
	165	if (!GvIOp(request->gv[1]))
	166	GvIOp(request->gv[1]) = newIO();
	167	if (!GvIOp(request->gv[2]))
	168	GvIOp(request->gv[2]) = newIO();
	169	if (!GvIOp(request->gv[0]))
	170	GvIOp(request->gv[0]) = newIO();
	171
	172	sv_magic((SV *)GvIOp(request->gv[1]), request->svout, 'q', Nullch, 0);
	173	sv_magic((SV *)GvIOp(request->gv[2]), request->sverr, 'q', Nullch, 0);
	174	sv_magic((SV *)GvIOp(request->gv[0]), request->svin, 'q', Nullch, 0);
	175	# else
0833402a	176	sv_magic((SV *)request->gv[1], request->svout, 'q', Nullch, 0);
	177	sv_magic((SV *)request->gv[2], request->sverr, 'q', Nullch, 0);
	178	sv_magic((SV *)request->gv[0], request->svin, 'q', Nullch, 0);
6d7e3fb2	179	# endif
0833402a	180	#endif
	181	request->bound = TRUE;
	182	}
	183
	184	static void
	185	populate_env(envp, hv)
	186	char **envp;
	187	HV *hv;
	188	{
	189	int i;
	190	char p, p1;
	191	SV *sv;
	192	dTHX;
	193
	194	hv_clear(hv);
	195	for(i = 0; ; i++) {
	196	if((p = envp[i]) == NULL) {
	197	break;
	198	}
	199	p1 = strchr(p, '=');
	200	assert(p1 != NULL);
	201	sv = newSVpv(p1 + 1, 0);
	202	/* call magic for this value ourselves */
	203	hv_store(hv, p, p1 - p, sv, 0);
	204	SvSETMAGIC(sv);
	205	}
	206	}
	207
	208	static int
	209	FCGI_IsFastCGI(FCGP_Request* request)
	210	{
	211	static int isCGI = -1; /* -1: not checked; 0: FCGI; 1: CGI */
	212
	213	if (request->requestPtr->listen_sock == FCGI_LISTENSOCK_FILENO) {
	214	if (isCGI == -1)
	215	isCGI = FCGX_IsCGI();
	216	return !isCGI;
	217	}
	218
	219	/* A explicit socket is being used -> assume FastCGI */
	220	return 1;
	221	}
	222
	223	static int
	224	FCGI_Accept(FCGP_Request* request)
	225	{
	226	dTHX;
	227
	228	if (!FCGI_IsFastCGI(request)) {
	229	static int been_here = 0;
	230
	231	/*
	232	* Not first call to FCGI_Accept and running as CGI means
	233	* application is done.
	234	*/
	235	if (been_here)
	236	return EOF;
	237
	238	been_here = 1;
	239	} else {
	240	#ifdef USE_SFIO
	241	int i;
	242	#endif
	243	FCGX_Request *fcgx_req = request->requestPtr;
244	int acceptResult;
245
246	FCGI_Finish(request);
247	#if defined(USE_LOCKING) && defined(USE_THREADS)
248	MUTEX_LOCK(&accept_mutex);
249	#endif
250	acceptResult = FCGX_Accept_r(fcgx_req);
251	#if defined(USE_LOCKING) && defined(USE_THREADS)
252	MUTEX_UNLOCK(&accept_mutex);
253	#endif
254	if(acceptResult < 0) {
255	return acceptResult;
256	}
257
258	populate_env(fcgx_req->envp, request->hvEnv);
259
260	#ifdef USE_SFIO
261	for (i = 0; i < 3; ++i) {
262	request->io[i] = GvIOn(request->gv[i]);
263	if (!(i == 0 ? IoIFP(request->io[i])
264	: IoOFP(request->io[i]))) {
265	IoIFP(request->io[i]) = sftmp(0);
266	/*IoIFP(request->io[i]) = sfnew(NULL, NULL, SF_UNBOUND, 0,
267	SF_STRING \| (i ? SF_WRITE : SF_READ));*/
268	if (i != 0)
269	IoOFP(request->io[i]) = IoIFP(request->io[i]);
270	request->sfcreated[i] = TRUE;
271	}
272	}
273	#else
274	if (!request->svout) {
275	newSVrv(request->svout = newSV(0), "FCGI::Stream");
276	newSVrv(request->sverr = newSV(0), "FCGI::Stream");
277	newSVrv(request->svin = newSV(0), "FCGI::Stream");
278	}
9c31872c	279	sv_setiv(SvRV(request->svout), INT2PTR(IV, fcgx_req->out));
	280	sv_setiv(SvRV(request->sverr), INT2PTR(IV, fcgx_req->err));
	281	sv_setiv(SvRV(request->svin), INT2PTR(IV, fcgx_req->in));
0833402a	282	#endif
	283	FCGI_Bind(request);
	284	request->accepted = TRUE;
	285	}
	286	return 0;
	287	}
	288
	289	static void
	290	FCGI_Finish(FCGP_Request* request)
	291	{
	292	#ifdef USE_SFIO
	293	int i;
	294	#endif
	295	int was_bound;
	296	dTHX;
	297
	298	if(!request->accepted) {
	299	return;
	300	}
	301
	302	if (was_bound = request->bound) {
	303	FCGI_UndoBinding(request);
	304	}
	305	#ifdef USE_SFIO
	306	for (i = 0; i < 3; ++i) {
	307	if (request->sfcreated[i]) {
	308	sfclose(IoIFP(request->io[i]));
	309	IoIFP(request->io[i]) = IoOFP(request->io[i]) = Nullfp;
	310	request->sfcreated[i] = FALSE;
	311	}
	312	}
	313	#endif
	314	if (was_bound)
	315	FCGX_Finish_r(request->requestPtr);
	316	else
bef7e0fc	317	FCGX_Free(request->requestPtr, 1);
0833402a	318	request->accepted = FALSE;
	319	}
	320
	321	static int
	322	FCGI_StartFilterData(FCGP_Request* request)
	323	{
	324	return request->requestPtr->in ?
	325	FCGX_StartFilterData(request->requestPtr->in) : -1;
	326	}
	327
	328	static FCGP_Request *
	329	FCGI_Request(in, out, err, env, socket, flags)
	330	GV* in;
	331	GV* out;
	332	GV* err;
	333	HV* env;
	334	int socket;
	335	int flags;
	336	{
	337	FCGX_Request* fcgx_req;
	338	FCGP_Request* req;
	339
	340	Newz(551, fcgx_req, 1, FCGX_Request);
	341	FCGX_InitRequest(fcgx_req, socket, flags);
	342	Newz(551, req, 1, FCGP_Request);
	343	req->requestPtr = fcgx_req;
a6b22a6e	344	SvREFCNT_inc(in);
0833402a	345	req->gv[0] = in;
a6b22a6e	346	SvREFCNT_inc(out);
0833402a	347	req->gv[1] = out;
a6b22a6e	348	SvREFCNT_inc(err);
0833402a	349	req->gv[2] = err;
a6b22a6e	350	SvREFCNT_inc(env);
0833402a	351	req->hvEnv = env;
	352
	353	return req;
	354	}
	355
	356	static void
	357	FCGI_Release_Request(FCGP_Request *req)
	358	{
a6b22a6e	359	SvREFCNT_dec(req->gv[0]);
	360	SvREFCNT_dec(req->gv[1]);
	361	SvREFCNT_dec(req->gv[2]);
	362	SvREFCNT_dec(req->hvEnv);
0833402a	363	FCGI_Finish(req);
	364	Safefree(req->requestPtr);
	365	Safefree(req);
	366	}
	367
	368	static void
	369	FCGI_Init()
	370	{
	371	#if defined(USE_LOCKING) && defined(USE_THREADS)
	372	dTHX;
	373
	374	MUTEX_INIT(&accept_mutex);
	375	#endif
	376
	377	FCGX_Init();
	378	}
	379
	380	typedef FCGX_Stream * FCGI__Stream;
	381	typedef FCGP_Request * FCGI;
	382	typedef GV* GLOBREF;
	383	typedef HV* HASHREF;
	384
	385	MODULE = FCGI PACKAGE = FCGI PREFIX = FCGI_
	386
	387	BOOT:
	388	FCGI_Init();
	389
	390	SV *
	391	RequestX(in, out, err, env, socket, flags)
	392	GLOBREF in;
	393	GLOBREF out;
	394	GLOBREF err;
	395	HASHREF env;
	396	int socket;
	397	int flags;
	398
	399	PROTOTYPE: ***$$$
	400	CODE:
	401	RETVAL = sv_setref_pv(newSV(0), "FCGI",
	402	FCGI_Request(in, out, err, env, socket, flags));
	403
	404	OUTPUT:
	405	RETVAL
	406
	407	int
	408	OpenSocket(path, backlog)
	409	char* path;
	410	int backlog;
	411
	412	PROTOTYPE: $$
	413	CODE:
	414	RETVAL = FCGX_OpenSocket(path, backlog);
	415	OUTPUT:
	416	RETVAL
	417
	418	void
	419	CloseSocket(socket)
	420	int socket;
	421
	422	PROTOTYPE: $
	423	CODE:
	424	close(socket);
	425
	426	int
427	FCGI_Accept(request)
428
429	FCGI request;
430
431	PROTOTYPE: $
432
433	void
434	FCGI_Finish(request)
435	FCGI request;
436
437	PROTOTYPE: $
438
439	void
440	FCGI_Flush(request)
441	FCGI request;
442
443	PROTOTYPE: $
444
445	HV *
446	GetEnvironment(request)
447	FCGI request;
448
449	PROTOTYPE: $
450
451	CODE:
452	RETVAL = request->hvEnv;
453
454	OUTPUT:
455	RETVAL
456
457	void
458	GetHandles(request)
459	FCGI request;
460
461	PROTOTYPE: $
462
463	PREINIT:
464	int i;
465
466	PPCODE:
467	EXTEND(sp,3);
468	for (i = 0; i < 3; ++i)
469	PUSHs(sv_2mortal(newRV((SV *) request->gv[i])));
470
471	int
472	FCGI_IsFastCGI(request)
473	FCGI request;
474
475	PROTOTYPE: $
476
477	void
478	Detach(request)
0833402a	479	FCGI request;
	480
	481	PROTOTYPE: $
	482
	483	CODE:
	484	if (request->accepted && request->bound)
	485	FCGI_UndoBinding(request);
	486
	487	void
	488	Attach(request)
0833402a	489	FCGI request;
	490
	491	PROTOTYPE: $
	492
	493	CODE:
	494	if (request->accepted && !request->bound)
	495	FCGI_Bind(request);
	496
7fa2de73	497	void
	498	LastCall(request)
	499	FCGI request;
	500
	501	PROTOTYPE: $
	502
	503	CODE:
	504	FCGX_ShutdownPending();
0833402a	505
	506	int
	507	FCGI_StartFilterData(request)
	508
	509	FCGI request;
	510
	511	PROTOTYPE: $
	512
	513	void
	514	DESTROY(request)
	515	FCGI request;
	516
	517	CODE:
	518	FCGI_Release_Request(request);
	519
	520
	521
	522	MODULE = FCGI PACKAGE = FCGI::Stream
	523
	524	#ifndef USE_SFIO
	525
	526	void
	527	PRINT(stream, ...)
	528	FCGI::Stream stream;
	529
	530	PREINIT:
	531	int n;
	532
	533	CODE:
	534	for (n = 1; n < items; ++n) {
	535	STRLEN len;
	536	register char tmps = (char )SvPV(ST(n),len);
	537	FCGX_PutStr(tmps, len, stream);
	538	}
	539	if (SvTRUEx(perl_get_sv("\|", FALSE)))
	540	FCGX_FFlush(stream);
	541
	542	int
	543	WRITE(stream, bufsv, len, ...)
	544	FCGI::Stream stream;
	545	SV * bufsv;
	546	int len;
	547
	548	PREINIT:
	549	int offset;
	550	char * buf;
	551	STRLEN blen;
	552	int n;
	553
	554	CODE:
	555	offset = (items == 4) ? (int)SvIV(ST(3)) : 0;
	556	buf = SvPV(bufsv, blen);
	557	if (offset < 0) offset += blen;
	558	if (len > blen - offset)
	559	len = blen - offset;
	560	if (offset < 0 \|\| offset >= blen \|\|
	561	(n = FCGX_PutStr(buf+offset, len, stream)) < 0)
	562	ST(0) = &PL_sv_undef;
	563	else {
	564	ST(0) = sv_newmortal();
	565	sv_setpvf(ST(0), "%c", n);
	566	}
	567
	568	int
569	READ(stream, bufsv, len, ...)
570	FCGI::Stream stream;
571	SV * bufsv;
572	int len;
573
574	PREINIT:
575	int offset;
576	char * buf;
577
578	CODE:
579	offset = (items == 4) ? (int)SvIV(ST(3)) : 0;
580	if (! SvOK(bufsv))
581	sv_setpvn(bufsv, "", 0);
582	buf = SvGROW(bufsv, len+offset+1);
583	len = FCGX_GetStr(buf+offset, len, stream);
584	SvCUR_set(bufsv, len+offset);
585	*SvEND(bufsv) = '\0';
586	(void)SvPOK_only(bufsv);
587	SvSETMAGIC(bufsv);
588	RETVAL = len;
589
590	OUTPUT:
591	RETVAL
592
593	SV *
594	GETC(stream)
595	FCGI::Stream stream;
596
597	PREINIT:
598	int retval;
599
600	CODE:
601	if ((retval = FCGX_GetChar(stream)) != -1) {
602	ST(0) = sv_newmortal();
603	sv_setpvf(ST(0), "%c", retval);
604	} else ST(0) = &PL_sv_undef;
605
606	bool
607	CLOSE(stream)
608	FCGI::Stream stream;
609
610	# ALIAS:
611	# DESTROY = 1
612
613	CODE:
614	RETVAL = FCGX_FClose(stream) != -1;
615
616	OUTPUT:
617	RETVAL
618
619	#endif