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executable file 2291 lines (2174 sloc) 54.786 kb
#define PERL_NO_GET_CONTEXT
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include <fuse.h>
#if defined(__linux__) || defined(__APPLE__)
# include <sys/xattr.h>
#else
# define XATTR_CREATE 1
# define XATTR_REPLACE 2
#endif
#if defined(__linux__) || defined(__sun__)
# define STAT_SEC(st, st_xtim) ((st)->st_xtim.tv_sec)
# define STAT_NSEC(st, st_xtim) ((st)->st_xtim.tv_nsec)
#else
# define STAT_SEC(st, st_xtim) ((st)->st_xtim##espec.tv_sec)
# define STAT_NSEC(st, st_xtim) ((st)->st_xtim##espec.tv_nsec)
#endif
/* Implement a macro to handle multiple formats (integer, float, and array
* containing seconds and nanoseconds). */
#define PULL_TIME(st, st_xtim, svp) \
{ \
SV *sv = svp; \
if (SvROK(sv)) { \
AV *av = (AV *)SvRV(sv); \
if (SvTYPE((SV *)av) != SVt_PVAV) { \
Perl_croak_nocontext("Reference was not array ref"); \
} \
if (av_len(av) != 1) { \
Perl_croak_nocontext("Array of incorrect dimension"); \
} \
STAT_SEC(st, st_xtim) = SvIV(*(av_fetch(av, 0, FALSE))); \
STAT_NSEC(st, st_xtim) = SvIV(*(av_fetch(av, 1, FALSE))); \
} \
else if (SvNOK(sv) || SvIOK(sv) || SvPOK(sv)) { \
double tm = SvNV(sv); \
STAT_SEC(st, st_xtim) = (int)tm; \
STAT_NSEC(st, st_xtim) = (tm - (int)tm) * 1000000000; \
} \
else { \
Perl_croak_nocontext("Invalid data type passed"); \
} \
}
/* Determine if threads support should be included */
#ifdef USE_ITHREADS
# ifdef I_PTHREAD
# define FUSE_USE_ITHREADS
# if (PERL_VERSION < 8) || (PERL_VERSION == 8 && PERL_SUBVERSION < 9)
# define tTHX PerlInterpreter*
# define STR_WITH_LEN(s) ("" s ""), (sizeof(s)-1)
# define hv_fetchs(hv,key,lval) Perl_hv_fetch(aTHX_ hv, STR_WITH_LEN(key), lval)
# define dMY_CXT_INTERP(interp) \
SV *my_cxt_sv = *hv_fetchs(interp->Imodglobal, MY_CXT_KEY, TRUE); \
my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
# endif
# else
# warning "Sorry, I don't know how to handle ithreads on this architecture. Building non-threaded version"
# endif
#endif
/* Global Data */
#define MY_CXT_KEY "Fuse::_guts" XS_VERSION
#if FUSE_VERSION >= 29
# if FUSE_FOUND_MICRO_VER >= 1
# define N_CALLBACKS 45
# else /* FUSE_FOUND_MICRO_VER < 1 */
# define N_CALLBACKS 44
# endif
#elif FUSE_VERSION >= 28
# define N_CALLBACKS 41
#else /* FUSE_VERSION < 28 */
# define N_CALLBACKS 38
#endif
#define N_FLAGS 8
typedef struct {
SV *callback[N_CALLBACKS];
HV *handles;
#ifdef USE_ITHREADS
tTHX self;
#endif
int threaded;
#ifdef USE_ITHREADS
perl_mutex mutex;
#endif
int utimens_as_array;
} my_cxt_t;
START_MY_CXT;
#ifdef FUSE_USE_ITHREADS
tTHX master_interp = NULL;
#define CLONE_INTERP(parent) S_clone_interp(parent)
tTHX S_clone_interp(tTHX parent) {
# if (PERL_VERSION < 10)
tTHX my_perl = parent;
#endif
dMY_CXT_INTERP(parent);
if(MY_CXT.threaded) {
MUTEX_LOCK(&MY_CXT.mutex);
PERL_SET_CONTEXT(parent);
dTHX;
#if (PERL_VERSION > 10) || (PERL_VERSION == 10 && PERL_SUBVERSION >= 1)
tTHX child = perl_clone(parent, CLONEf_CLONE_HOST | CLONEf_COPY_STACKS);
#else
tTHX child = perl_clone(parent, CLONEf_CLONE_HOST | CLONEf_COPY_STACKS | CLONEf_KEEP_PTR_TABLE);
ptr_table_free(PL_ptr_table);
PL_ptr_table = NULL;
#endif
MUTEX_UNLOCK(&MY_CXT.mutex);
return child;
}
return NULL;
}
# define FUSE_CONTEXT_PRE dTHX; if(!aTHX) aTHX = CLONE_INTERP(master_interp); { dMY_CXT; dSP;
# define FUSE_CONTEXT_POST }
#else
# define FUSE_CONTEXT_PRE dTHX; dMY_CXT; dSP;
# define FUSE_CONTEXT_POST
#endif
#undef DEBUGf
#if 0
#define DEBUGf(f, a...) fprintf(stderr, "%s:%d (%i): " f,__BASE_FILE__,__LINE__,sp-PL_stack_base ,##a )
#else
#define DEBUGf(a...)
#endif
#define FH_KEY(fi) sv_2mortal(newSViv((fi)->fh))
#define FH_GETHANDLE(fi) S_fh_get_handle(aTHX_ aMY_CXT_ fi)
#define FH_STOREHANDLE(fi,sv) S_fh_store_handle(aTHX_ aMY_CXT_ fi, sv)
#define FH_RELEASEHANDLE(fi) S_fh_release_handle(aTHX_ aMY_CXT_ fi)
SV *S_fh_get_handle(pTHX_ pMY_CXT_ struct fuse_file_info *fi) {
SV *val;
val = &PL_sv_undef;
if(fi->fh != 0) {
HE *he;
if((he = hv_fetch_ent(MY_CXT.handles, FH_KEY(fi), 0, 0))) {
val = HeVAL(he);
SvGETMAGIC(val);
}
}
return val;
}
void S_fh_release_handle(pTHX_ pMY_CXT_ struct fuse_file_info *fi) {
if(fi->fh != 0) {
(void)hv_delete_ent(MY_CXT.handles, FH_KEY(fi), G_DISCARD, 0);
fi->fh = 0;
}
}
void S_fh_store_handle(pTHX_ pMY_CXT_ struct fuse_file_info *fi, SV *sv) {
if(SvOK(sv)) {
#ifdef FUSE_USE_ITHREADS
if(MY_CXT.threaded) {
SvSHARE(sv);
}
#endif
/* This seems to be screwing things up... */
// MAGIC *mg = (SvTYPE(sv) == SVt_PVMG) ? mg_find(sv, PERL_MAGIC_shared_scalar) : NULL;
// fi->fh = mg ? PTR2IV(mg->mg_ptr) : PTR2IV(sv);
fi->fh = PTR2IV(sv);
if(hv_store_ent(MY_CXT.handles, FH_KEY(fi), SvREFCNT_inc(sv), 0) == NULL) {
SvREFCNT_dec(sv);
}
SvSETMAGIC(sv);
}
}
int _PLfuse_getattr(const char *file, struct stat *result) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("getattr begin: %s\n",file);
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,strlen(file))));
PUTBACK;
rv = call_sv(MY_CXT.callback[0],G_ARRAY);
SPAGAIN;
if(rv != 13) {
if(rv > 1) {
fprintf(stderr,"inappropriate number of returned values from getattr\n");
rv = -ENOSYS;
} else if(rv)
rv = POPi;
else
rv = -ENOENT;
} else {
result->st_blocks = POPi;
result->st_blksize = POPi;
PULL_TIME(result, st_ctim, POPs);
PULL_TIME(result, st_mtim, POPs);
PULL_TIME(result, st_atim, POPs);
result->st_size = POPn; // we pop double here to support files larger than 4Gb (long limit)
result->st_rdev = POPi;
result->st_gid = POPi;
result->st_uid = POPi;
result->st_nlink = POPi;
result->st_mode = POPi;
result->st_ino = POPi;
result->st_dev = POPi;
rv = 0;
}
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("getattr end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_readlink(const char *file,char *buf,size_t buflen) {
int rv;
if(buflen < 1)
return EINVAL;
FUSE_CONTEXT_PRE;
DEBUGf("readlink begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
PUTBACK;
rv = call_sv(MY_CXT.callback[1],G_SCALAR);
SPAGAIN;
if(!rv)
rv = -ENOENT;
else {
SV *mysv = POPs;
if(SvTYPE(mysv) == SVt_IV || SvTYPE(mysv) == SVt_NV)
rv = SvIV(mysv);
else {
/* as a safer choice instead of strncpy()... */
snprintf(buf, buflen, "%s", SvPV_nolen(mysv));
rv = 0;
}
}
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("readlink end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_getdir(const char *file, fuse_dirh_t dirh, fuse_dirfil_t dirfil) {
int prv, rv;
SV **swp;
FUSE_CONTEXT_PRE;
DEBUGf("getdir begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
PUTBACK;
prv = call_sv(MY_CXT.callback[2],G_ARRAY);
SPAGAIN;
if(prv) {
/* Should yield the bottom of the current stack... */
swp = SP - prv + 1;
rv = POPi;
/* Sort of a hack to walk the stack in order, instead of reverse
* order - trying to explain to potential users why they need to
* reverse the order of this array would be confusing, at best. */
while (swp <= SP)
dirfil(dirh,SvPVx_nolen(*(swp++)),0,0);
SP -= prv - 1;
} else {
fprintf(stderr,"getdir() handler returned nothing!\n");
rv = -ENOSYS;
}
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("getdir end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_mknod (const char *file, mode_t mode, dev_t dev) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("mknod begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSViv(mode)));
XPUSHs(sv_2mortal(newSViv(dev)));
PUTBACK;
rv = call_sv(MY_CXT.callback[3],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("mknod end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_mkdir (const char *file, mode_t mode) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("mkdir begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSViv(mode)));
PUTBACK;
rv = call_sv(MY_CXT.callback[4],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("mkdir end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_unlink (const char *file) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("unlink begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
PUTBACK;
rv = call_sv(MY_CXT.callback[5],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("unlink end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_rmdir (const char *file) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("rmdir begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
PUTBACK;
rv = call_sv(MY_CXT.callback[6],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("rmdir end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_symlink (const char *file, const char *new) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("symlink begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSVpv(new,0)));
PUTBACK;
rv = call_sv(MY_CXT.callback[7],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("symlink end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_rename (const char *file, const char *new) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("rename begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSVpv(new,0)));
PUTBACK;
rv = call_sv(MY_CXT.callback[8],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("rename end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_link (const char *file, const char *new) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("link begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSVpv(new,0)));
PUTBACK;
rv = call_sv(MY_CXT.callback[9],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("link end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_chmod (const char *file, mode_t mode) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("chmod begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSViv(mode)));
PUTBACK;
rv = call_sv(MY_CXT.callback[10],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("chmod end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_chown (const char *file, uid_t uid, gid_t gid) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("chown begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSViv(uid)));
XPUSHs(sv_2mortal(newSViv(gid)));
PUTBACK;
rv = call_sv(MY_CXT.callback[11],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("chown end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_truncate (const char *file, off_t off) {
int rv;
#ifndef PERL_HAS_64BITINT
char *temp;
#endif
FUSE_CONTEXT_PRE;
DEBUGf("truncate begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
#ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(off)));
#else
if (asprintf(&temp, "%llu", off) == -1)
croak("Memory allocation failure!");
XPUSHs(sv_2mortal(newSVpv(temp, 0)));
free(temp);
#endif
PUTBACK;
rv = call_sv(MY_CXT.callback[12],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("truncate end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_utime (const char *file, struct utimbuf *uti) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("utime begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSViv(uti->actime)));
XPUSHs(sv_2mortal(newSViv(uti->modtime)));
PUTBACK;
rv = call_sv(MY_CXT.callback[13],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("utime end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_open (const char *file, struct fuse_file_info *fi) {
int rv;
int flags = fi->flags;
HV *fihash;
FUSE_CONTEXT_PRE;
DEBUGf("open begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSViv(flags)));
/* Create a hashref containing the details from fi
* which we can look at or modify.
*/
fi->fh = 0; /* Ensure it starts with 0 - important if they don't set it */
fihash = newHV();
(void) hv_store(fihash, "direct_io", 9, newSViv(fi->direct_io), 0);
(void) hv_store(fihash, "keep_cache", 10, newSViv(fi->keep_cache), 0);
#if FUSE_VERSION >= 28
(void) hv_store(fihash, "nonseekable", 11, newSViv(fi->nonseekable), 0);
#endif
XPUSHs(sv_2mortal(newRV_noinc((SV*) fihash)));
/* All hashref things done */
PUTBACK;
/* Open called with filename, flags */
rv = call_sv(MY_CXT.callback[14],G_ARRAY);
SPAGAIN;
if(rv) {
if(rv > 1) {
FH_STOREHANDLE(fi,POPs);
}
rv = POPi;
}
else
rv = 0;
if (rv == 0)
{
/* Success, so copy the file handle which they returned */
SV **svp;
if ((svp = hv_fetch(fihash, "direct_io", 9, 0)) != NULL)
fi->direct_io = SvIV(*svp);
if ((svp = hv_fetch(fihash, "keep_cache", 10, 0)) != NULL)
fi->keep_cache = SvIV(*svp);
#if FUSE_VERSION >= 28
if ((svp = hv_fetch(fihash, "nonseekable", 11, 0)) != NULL)
fi->nonseekable = SvIV(*svp);
#endif
}
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("open end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_read (const char *file, char *buf, size_t buflen, off_t off,
struct fuse_file_info *fi) {
int rv;
#ifndef PERL_HAS_64BITINT
char *temp;
#endif
FUSE_CONTEXT_PRE;
DEBUGf("read begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
XPUSHs(sv_2mortal(newSViv(buflen)));
#ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(off)));
#else
if (asprintf(&temp, "%llu", off) == -1)
croak("Memory allocation failure!");
XPUSHs(sv_2mortal(newSVpv(temp, 0)));
free(temp);
#endif
XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[15],G_SCALAR);
SPAGAIN;
if(!rv)
rv = -ENOENT;
else {
SV *mysv = POPs;
if(SvTYPE(mysv) == SVt_NV || SvTYPE(mysv) == SVt_IV)
rv = SvIV(mysv);
else {
if(SvPOK(mysv)) {
rv = SvCUR(mysv);
} else {
rv = 0;
}
if(rv > buflen)
croak("read() handler returned more than buflen! (%i > %i)",rv,buflen);
if(rv)
memcpy(buf,SvPV_nolen(mysv),rv);
}
}
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("read end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_write (const char *file, const char *buf, size_t buflen, off_t off, struct fuse_file_info *fi) {
int rv;
SV *sv;
#ifndef PERL_HAS_64BITINT
char *temp;
#endif
FUSE_CONTEXT_PRE;
DEBUGf("write begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
#if (PERL_VERSION < 8) || (PERL_VERSION == 8 && PERL_SUBVERSION < 9)
sv = newSV(0);
sv_upgrade(sv, SVt_PV);
#else
sv = newSV_type(SVt_PV);
#endif
SvPV_set(sv, (char *)buf);
SvLEN_set(sv, 0);
SvCUR_set(sv, buflen);
SvPOK_on(sv);
SvREADONLY_on(sv);
XPUSHs(sv_2mortal(sv));
#ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(off)));
#else
if (asprintf(&temp, "%llu", off) == -1)
croak("Memory allocation failure!");
XPUSHs(sv_2mortal(newSVpv(temp, 0)));
free(temp);
#endif
XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[16],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("write end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_statfs (const char *file, struct statvfs *st) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("statfs begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
PUTBACK;
rv = call_sv(MY_CXT.callback[17],G_ARRAY);
SPAGAIN;
DEBUGf("statfs got %i params\n",rv);
if(rv == 6 || rv == 7) {
st->f_bsize = POPi;
st->f_bfree = POPi;
st->f_blocks = POPi;
st->f_ffree = POPi;
st->f_files = POPi;
st->f_namemax = POPi;
/* zero and fill-in other */
st->f_fsid = 0;
st->f_flag = 0;
st->f_frsize = st->f_bsize;
st->f_bavail = st->f_bfree;
st->f_favail = st->f_ffree;
if(rv == 7)
rv = POPi;
else
rv = 0;
} else
if(rv > 1)
croak("inappropriate number of returned values from statfs");
else
if(rv)
rv = POPi;
else
rv = -ENOSYS;
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("statfs end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_flush (const char *file, struct fuse_file_info *fi) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("flush begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[18],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("flush end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_release (const char *file, struct fuse_file_info *fi) {
int rv;
int flags = fi->flags;
#if FUSE_VERSION >= 29 && !defined(PERL_HAS_64BITINT)
char *temp;
#endif
FUSE_CONTEXT_PRE;
DEBUGf("release begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
XPUSHs(sv_2mortal(newSViv(flags)));
XPUSHs(FH_GETHANDLE(fi));
#if FUSE_VERSION >= 29
XPUSHs(fi->flock_release ? sv_2mortal(newSViv(1)) : &PL_sv_undef);
# ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(fi->lock_owner)));
# else
if (asprintf(&temp, "%llu", fi->lock_owner) == -1)
croak("Memory allocation failure!");
XPUSHs(sv_2mortal(newSVpv(temp, 0)));
# endif
#endif
PUTBACK;
rv = call_sv(MY_CXT.callback[19],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FH_RELEASEHANDLE(fi);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("release end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_fsync (const char *file, int datasync, struct fuse_file_info *fi) {
int rv;
int flags = fi->flags;
FUSE_CONTEXT_PRE;
DEBUGf("fsync begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
XPUSHs(sv_2mortal(newSViv(flags)));
XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[20],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("fsync end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
#ifdef __APPLE__
int _PLfuse_setxattr (const char *file, const char *name, const char *buf, size_t buflen, int flags, uint32_t position) {
#else
int _PLfuse_setxattr (const char *file, const char *name, const char *buf, size_t buflen, int flags) {
#endif
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("setxattr begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSVpv(name,0)));
XPUSHs(sv_2mortal(newSVpvn(buf,buflen)));
XPUSHs(sv_2mortal(newSViv(flags)));
PUTBACK;
rv = call_sv(MY_CXT.callback[21],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("setxattr end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
#ifdef __APPLE__
int _PLfuse_getxattr (const char *file, const char *name, char *buf, size_t buflen, uint32_t position) {
#else
int _PLfuse_getxattr (const char *file, const char *name, char *buf, size_t buflen) {
#endif
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("getxattr begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSVpv(name,0)));
PUTBACK;
rv = call_sv(MY_CXT.callback[22],G_SCALAR);
SPAGAIN;
if(!rv)
rv = -ENOENT;
else {
SV *mysv = POPs;
rv = 0;
if(SvTYPE(mysv) == SVt_NV || SvTYPE(mysv) == SVt_IV)
rv = SvIV(mysv);
else {
if(SvPOK(mysv)) {
rv = SvCUR(mysv);
} else {
rv = 0;
}
if ((rv > 0) && (buflen > 0))
{
if(rv > buflen)
rv = -ERANGE;
else
memcpy(buf,SvPV_nolen(mysv),rv);
}
}
}
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("getxattr end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_listxattr (const char *file, char *list, size_t size) {
int prv, rv;
FUSE_CONTEXT_PRE;
DEBUGf("listxattr begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
PUTBACK;
prv = call_sv(MY_CXT.callback[23],G_ARRAY);
SPAGAIN;
if(!prv)
rv = -ENOENT;
else {
char *p = list;
int spc = size;
int total_len = 0;
rv = POPi;
prv--;
/* Always nul terminate */
if (list && (size > 0))
list[0] = '\0';
while (prv > 0)
{
SV *mysv = POPs;
prv--;
if (SvPOK(mysv)) {
/* Copy nul too */
int s = SvCUR(mysv) + 1;
total_len += s;
if (p && (size > 0) && (spc >= s))
{
memcpy(p,SvPV_nolen(mysv),s);
p += s;
spc -= s;
}
}
}
/*
* If the Perl returned an error, return that.
* Otherwise check that the buffer was big enough.
*/
if (rv == 0)
{
rv = total_len;
if ((size > 0) && (size < total_len))
rv = -ERANGE;
}
}
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("listxattr end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_removexattr (const char *file, const char *name) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("removexattr begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSVpv(name,0)));
PUTBACK;
rv = call_sv(MY_CXT.callback[24],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("removexattr end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_opendir(const char *file, struct fuse_file_info *fi) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("opendir begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
fi->fh = 0; /* Ensure it starts with 0 - important if they don't set it */
PUTBACK;
rv = call_sv(MY_CXT.callback[25], G_ARRAY);
SPAGAIN;
if (rv) {
if (rv > 1) {
FH_STOREHANDLE(fi, POPs);
}
rv = POPi;
} else
rv = 0;
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("opendir end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_readdir(const char *file, void *dirh, fuse_fill_dir_t dirfil,
off_t off, struct fuse_file_info *fi) {
int prv = 0, rv;
SV *sv, **svp, **swp;
AV *av, *av2;
struct stat st;
bool st_filled = 0;
#ifndef PERL_HAS_64BITINT
char *temp;
#endif
FUSE_CONTEXT_PRE;
DEBUGf("readdir begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
#ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(off)));
#else
if (asprintf(&temp, "%llu", off) == -1)
croak("Memory allocation failure!");
XPUSHs(sv_2mortal(newSVpv(temp, 0)));
free(temp);
#endif
XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
prv = call_sv(MY_CXT.callback[26],G_ARRAY);
SPAGAIN;
if (prv) {
/* Should yield the bottom of the current stack... */
swp = SP - prv + 1;
rv = POPi;
memset(&st, 0, sizeof(struct stat));
/* Sort of a hack to walk the stack in order, instead of reverse
* order - trying to explain to potential users why they need to
* reverse the order of this array would be confusing, at best. */
while (swp <= SP) {
sv = *(swp++);
if (!SvROK(sv) && SvPOK(sv))
/* Just a bare SV (probably a string; hopefully a string) */
dirfil(dirh, SvPVx_nolen(sv), NULL, 0);
else if (SvROK(sv) && SvTYPE(av = (AV *)SvRV(sv)) == SVt_PVAV) {
if (av_len(av) >= 2) {
/* The third element of the array should be the args that
* would otherwise go to getattr(); a lot of filesystems
* will, or at least can, return that info as part of the
* enumeration process... */
svp = av_fetch(av, 2, FALSE);
if (SvROK(*svp) &&
SvTYPE(av2 = (AV *)SvRV(*svp)) == SVt_PVAV &&
av_len(av2) == 12) {
st.st_dev = SvIV(*(av_fetch(av2, 0, FALSE)));
st.st_ino = SvIV(*(av_fetch(av2, 1, FALSE)));
st.st_mode = SvIV(*(av_fetch(av2, 2, FALSE)));
st.st_nlink = SvIV(*(av_fetch(av2, 3, FALSE)));
st.st_uid = SvIV(*(av_fetch(av2, 4, FALSE)));
st.st_gid = SvIV(*(av_fetch(av2, 5, FALSE)));
st.st_rdev = SvIV(*(av_fetch(av2, 6, FALSE)));
st.st_size = SvNV(*(av_fetch(av2, 7, FALSE)));
PULL_TIME(&st, st_atim, *(av_fetch(av2, 8, FALSE)));
PULL_TIME(&st, st_mtim, *(av_fetch(av2, 9, FALSE)));
PULL_TIME(&st, st_ctim, *(av_fetch(av2, 10, FALSE)));
st.st_blksize = SvIV(*(av_fetch(av2, 11, FALSE)));
st.st_blocks = SvIV(*(av_fetch(av2, 12, FALSE)));
st_filled = 1;
}
else
fprintf(stderr,"Extra SV didn't appear to be correct, ignoring\n");
/* For now if the element isn't what we want, just
* quietly ignore it... */
}
if (av_len(av) >= 1) {
char *entryname = SvPVx_nolen(*(av_fetch(av, 1, FALSE)));
off_t elemnum = SvNV(*(av_fetch(av, 0, FALSE)));
dirfil(dirh, entryname, st_filled ? &st : NULL, elemnum);
}
if (st_filled) {
memset(&st, 0, sizeof(struct stat));
st_filled = 0;
}
}
else
fprintf(stderr, "ERROR: Unknown entry passed via readdir\n");
}
SP -= prv - 1;
} else {
fprintf(stderr,"readdir() handler returned nothing!\n");
rv = -ENOSYS;
}
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("readdir end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_releasedir(const char *file, struct fuse_file_info *fi) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("releasedir begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[27], G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FH_RELEASEHANDLE(fi);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("releasedir end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_fsyncdir(const char *file, int datasync,
struct fuse_file_info *fi) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("fsyncdir begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
XPUSHs(sv_2mortal(newSViv(datasync)));
XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[28], G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("fsyncdir end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
void *_PLfuse_init(struct fuse_conn_info *fc)
{
void *rv = NULL;
int prv;
FUSE_CONTEXT_PRE;
DEBUGf("init begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
PUTBACK;
prv = call_sv(MY_CXT.callback[29], G_SCALAR);
SPAGAIN;
if (prv) {
rv = POPs;
if (rv == &PL_sv_undef)
rv = NULL;
else
rv = SvREFCNT_inc((SV *)rv);
}
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("init end: %p\n", rv);
FUSE_CONTEXT_POST;
return rv;
}
void _PLfuse_destroy(void *private_data) {
FUSE_CONTEXT_PRE;
DEBUGf("destroy begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(private_data ? (SV *)private_data : &PL_sv_undef);
PUTBACK;
call_sv(MY_CXT.callback[30], G_VOID);
SPAGAIN;
if (private_data)
SvREFCNT_dec((SV *)private_data);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("destroy end\n");
FUSE_CONTEXT_POST;
}
int _PLfuse_access(const char *file, int mask) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("access begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSViv(mask)));
PUTBACK;
rv = call_sv(MY_CXT.callback[31], G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("access end: %d\n", rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_create(const char *file, mode_t mode, struct fuse_file_info *fi) {
int rv;
HV *fihash;
FUSE_CONTEXT_PRE;
DEBUGf("create begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSViv(mode)));
XPUSHs(sv_2mortal(newSViv(fi->flags)));
fi->fh = 0; /* Ensure it starts with 0 - important if they don't set it */
/* Create a hashref containing the details from fi
* which we can look at or modify.
*/
fihash = newHV();
(void) hv_store(fihash, "direct_io", 9, newSViv(fi->direct_io), 0);
(void) hv_store(fihash, "keep_cache", 10, newSViv(fi->keep_cache), 0);
#if FUSE_VERSION >= 28
(void) hv_store(fihash, "nonseekable", 11, newSViv(fi->nonseekable), 0);
#endif
XPUSHs(sv_2mortal(newRV_noinc((SV*) fihash)));
/* All hashref things done */
PUTBACK;
rv = call_sv(MY_CXT.callback[32], G_ARRAY);
SPAGAIN;
if (rv) {
if (rv > 1) {
FH_STOREHANDLE(fi,POPs);
}
rv = POPi;
}
else {
fprintf(stderr, "create() handler returned nothing!\n");
rv = -ENOSYS;
}
if (rv == 0) {
/* Success, so copy the file handle which they returned */
SV **svp;
if ((svp = hv_fetch(fihash, "direct_io", 9, 0)) != NULL)
fi->direct_io = SvIV(*svp);
if ((svp = hv_fetch(fihash, "keep_cache", 10, 0)) != NULL)
fi->keep_cache = SvIV(*svp);
#if FUSE_VERSION >= 28
if ((svp = hv_fetch(fihash, "nonseekable", 11, 0)) != NULL)
fi->nonseekable = SvIV(*svp);
#endif
}
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("create end: %d\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_ftruncate(const char *file, off_t off, struct fuse_file_info *fi) {
int rv;
#ifndef PERL_HAS_64BITINT
char *temp;
#endif
FUSE_CONTEXT_PRE;
DEBUGf("ftruncate begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
#ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(off)));
#else
if (asprintf(&temp, "%llu", off) == -1)
croak("Memory allocation failure!");
XPUSHs(sv_2mortal(newSVpv(temp, 0)));
free(temp);
#endif
XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[33],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("ftruncate end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_fgetattr(const char *file, struct stat *result,
struct fuse_file_info *fi) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("fgetattr begin: %s\n",file);
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[34],G_ARRAY);
SPAGAIN;
if(rv != 13) {
if(rv > 1) {
fprintf(stderr,"inappropriate number of returned values from getattr\n");
rv = -ENOSYS;
} else if(rv)
rv = POPi;
else
rv = -ENOENT;
} else {
result->st_blocks = POPi;
result->st_blksize = POPi;
PULL_TIME(result, st_ctim, POPs);
PULL_TIME(result, st_mtim, POPs);
PULL_TIME(result, st_atim, POPs);
result->st_size = POPn; // we pop double here to support files larger than 4Gb (long limit)
result->st_rdev = POPi;
result->st_gid = POPi;
result->st_uid = POPi;
result->st_nlink = POPi;
result->st_mode = POPi;
result->st_ino = POPi;
result->st_dev = POPi;
rv = 0;
}
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("fgetattr end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_lock(const char *file, struct fuse_file_info *fi, int cmd,
struct flock *lockinfo) {
int rv;
HV *lihash;
SV *sv;
#ifndef PERL_HAS_64BITINT
char *temp;
#endif
FUSE_CONTEXT_PRE;
DEBUGf("lock begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
XPUSHs(sv_2mortal(newSViv(cmd)));
lihash = newHV();
if (lockinfo) {
(void) hv_store(lihash, "l_type", 6, newSViv(lockinfo->l_type), 0);
(void) hv_store(lihash, "l_whence", 8, newSViv(lockinfo->l_whence), 0);
#ifdef PERL_HAS_64BITINT
sv = newSViv(lockinfo->l_start);
#else
if (asprintf(&temp, "%llu", lockinfo->l_start) == -1)
croak("Memory allocation failure!");
sv = newSVpv(temp, 0);
free(temp);
#endif
(void) hv_store(lihash, "l_start", 7, sv, 0);
#ifdef PERL_HAS_64BITINT
sv = newSViv(lockinfo->l_len);
#else
if (asprintf(&temp, "%llu", lockinfo->l_len) == -1)
croak("Memory allocation failure!");
sv = newSVpv(temp, 0);
free(temp);
#endif
(void) hv_store(lihash, "l_len", 5, sv, 0);
(void) hv_store(lihash, "l_pid", 5, newSViv(lockinfo->l_pid), 0);
}
XPUSHs(sv_2mortal(newRV_noinc((SV*) lihash)));
XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[35],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
if (lockinfo && !rv) {
/* Need to copy back any altered values from the hash into
* the struct... */
SV **svp;
if ((svp = hv_fetch(lihash, "l_type", 6, 0)) != NULL)
lockinfo->l_type = SvIV(*svp);
if ((svp = hv_fetch(lihash, "l_whence", 8, 0)) != NULL)
lockinfo->l_whence = SvIV(*svp);
if ((svp = hv_fetch(lihash, "l_start", 7, 0)) != NULL)
lockinfo->l_start = SvNV(*svp);
if ((svp = hv_fetch(lihash, "l_len", 5, 0)) != NULL)
lockinfo->l_len = SvNV(*svp);
if ((svp = hv_fetch(lihash, "l_pid", 5, 0)) != NULL)
lockinfo->l_pid = SvIV(*svp);
}
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("lock end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_utimens(const char *file, const struct timespec tv[2]) {
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("utimens begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
if (MY_CXT.utimens_as_array) {
/* Pushing timespecs as 2-element arrays (if tv is present). */
AV *av;
if (tv) {
av = newAV();
av_push(av, newSViv(tv[0].tv_sec));
av_push(av, newSViv(tv[0].tv_nsec));
XPUSHs(sv_2mortal(newRV_noinc((SV *)av)));
av = newAV();
av_push(av, newSViv(tv[1].tv_sec));
av_push(av, newSViv(tv[1].tv_nsec));
XPUSHs(sv_2mortal(newRV_noinc((SV *)av)));
}
else {
XPUSHs(&PL_sv_undef);
XPUSHs(&PL_sv_undef);
}
}
else {
/* Pushing timespecs as floating point (double) values. */
XPUSHs(tv ? sv_2mortal(newSVnv(tv[0].tv_sec + (tv[0].tv_nsec / 1000000000.0))) : &PL_sv_undef);
XPUSHs(tv ? sv_2mortal(newSVnv(tv[1].tv_sec + (tv[1].tv_nsec / 1000000000.0))) : &PL_sv_undef);
}
PUTBACK;
rv = call_sv(MY_CXT.callback[36],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("utimens end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_bmap(const char *file, size_t blocksize, uint64_t *idx) {
int rv;
#ifndef PERL_HAS_64BITINT
char *temp;
#endif
FUSE_CONTEXT_PRE;
DEBUGf("bmap begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSViv(blocksize)));
#ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(*idx)));
#else
if (asprintf(&temp, "%llu", *idx) == -1)
croak("Memory allocation failure!");
XPUSHs(sv_2mortal(newSVpv(temp, 0)));
free(temp);
#endif
PUTBACK;
rv = call_sv(MY_CXT.callback[37],G_ARRAY);
SPAGAIN;
if (rv > 0 && rv < 3) {
if (rv == 2)
*idx = POPn;
rv = POPi;
}
else {
fprintf(stderr, "bmap(): wrong number of values returned?\n");
rv = -ENOSYS;
}
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("bmap end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
#if FUSE_VERSION >= 28
# ifndef __linux__
# define _IOC_SIZE(n) IOCPARM_LEN(n)
# endif
int _PLfuse_ioctl(const char *file, int cmd, void *arg,
struct fuse_file_info *fi, unsigned int flags, void *data) {
int rv;
SV *sv = NULL;
FUSE_CONTEXT_PRE;
DEBUGf("ioctl begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
/* I don't know why cmd is a signed int in the first place;
* casting as unsigned so stupid tricks don't have to be done on
* the perl side */
XPUSHs(sv_2mortal(newSVuv((unsigned int)cmd)));
XPUSHs(sv_2mortal(newSViv(flags)));
if (cmd & IOC_IN)
XPUSHs(sv_2mortal(newSVpvn(data, _IOC_SIZE(cmd))));
else
XPUSHs(&PL_sv_undef);
XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[39],G_ARRAY);
SPAGAIN;
if ((cmd & IOC_OUT) && (rv == 2)) {
sv = POPs;
rv--;
}
if (rv > 0)
rv = POPi;
if ((cmd & IOC_OUT) && !rv) {
if (sv) {
size_t len;
char *rdata = SvPV(sv, len);
if (len > _IOC_SIZE(cmd)) {
fprintf(stderr, "ioctl(): returned data was too large for data area\n");
rv = -EFBIG;
}
else {
memset(data, 0, _IOC_SIZE(cmd));
memcpy(data, rdata, len);
}
}
else {
fprintf(stderr, "ioctl(): ioctl was a read op, but no data was returned from call?\n");
rv = -EFAULT;
}
}
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("ioctl end: %i\n",rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_poll(const char *file, struct fuse_file_info *fi,
struct fuse_pollhandle *ph, unsigned *reventsp) {
int rv;
SV *sv = NULL;
FUSE_CONTEXT_PRE;
DEBUGf("poll begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
if (ph) {
/* Still gotta figure out how to do this right... */
sv = newSViv(PTR2IV(ph));
SvREADONLY_on(sv);
SvSHARE(sv);
XPUSHs(sv);
}
else
XPUSHs(&PL_sv_undef);
XPUSHs(sv_2mortal(newSViv(*reventsp)));
XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[40],G_ARRAY);
SPAGAIN;
if (rv > 1) {
*reventsp = POPi;
rv--;
}
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("poll end: %i\n", rv);
FUSE_CONTEXT_POST;
return rv;
}
#endif /* FUSE_VERSION >= 28 */
#if FUSE_VERSION >= 29
int _PLfuse_write_buf (const char *file, struct fuse_bufvec *buf, off_t off,
struct fuse_file_info *fi) {
int rv, i;
HV *bvhash;
AV *bvlist;
SV *sv;
#ifndef PERL_HAS_64BITINT
char *temp;
#endif
FUSE_CONTEXT_PRE;
DEBUGf("write_buf begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
#ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(off)));
#else
if (asprintf(&temp, "%llu", off) == -1)
croak("Memory allocation failure!");
XPUSHs(sv_2mortal(newSVpv(temp, 0)));
free(temp);
#endif
bvlist = newAV();
for (i = 0; i < buf->count; i++) {
bvhash = newHV();
sv = newSViv(buf->buf[i].size);
(void) hv_store(bvhash, "size", 4, sv, 0);
sv = newSViv(buf->buf[i].flags);
(void) hv_store(bvhash, "flags", 5, sv, 0);
sv = &PL_sv_undef;
if (!(buf->buf[i].flags & FUSE_BUF_IS_FD)) {
#if (PERL_VERSION < 8) || (PERL_VERSION == 8 && PERL_SUBVERSION < 9)
sv = newSV(0);
sv_upgrade(sv, SVt_PV);
#else
sv = newSV_type(SVt_PV);
#endif
SvPV_set(sv, (char *)buf->buf[i].mem);
SvLEN_set(sv, 0);
SvCUR_set(sv, buf->buf[i].size);
SvPOK_on(sv);
SvREADONLY_on(sv);
}
(void) hv_store(bvhash, "mem", 3, sv, 0);
sv = newSViv(buf->buf[i].fd);
(void) hv_store(bvhash, "fd", 2, sv, 0);
sv = newSViv(buf->buf[i].pos);
(void) hv_store(bvhash, "pos", 3, sv, 0);
av_push(bvlist, newRV((SV *)bvhash));
}
XPUSHs(sv_2mortal(newRV_noinc((SV *)bvlist)));
XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[41], G_SCALAR);
SPAGAIN;
rv = rv ? POPi : -ENOENT;
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("write_buf end: %i\n", rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_read_buf (const char *file, struct fuse_bufvec **bufp, size_t size,
off_t off, struct fuse_file_info *fi) {
int rv;
HV *bvhash;
AV *bvlist;
struct fuse_bufvec *src;
#ifndef PERL_HAS_64BITINT
char *temp;
#endif
FUSE_CONTEXT_PRE;
DEBUGf("read_buf begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
XPUSHs(sv_2mortal(newSViv(size)));
#ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(off)));
#else
if (asprintf(&temp, "%llu", off) == -1)
croak("Memory allocation failure!");
XPUSHs(sv_2mortal(newSVpv(temp, 0)));
free(temp);
#endif
bvlist = newAV();
bvhash = newHV();
(void) hv_store(bvhash, "size", 4, newSViv(size), 0);
(void) hv_store(bvhash, "flags", 5, newSViv(0), 0);
(void) hv_store(bvhash, "mem", 3, newSVpv("", 0), 0);
(void) hv_store(bvhash, "fd", 2, newSViv(-1), 0);
(void) hv_store(bvhash, "pos", 3, newSViv(0), 0);
av_push(bvlist, newRV((SV *)bvhash));
XPUSHs(sv_2mortal(newRV_noinc((SV*) bvlist)));
XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[42], G_SCALAR);
SPAGAIN;
if (!rv)
rv = -ENOENT;
else {
SV **svp;
int i;
rv = POPi;
if (rv < 0)
goto READ_BUF_FAIL;
src = malloc(sizeof(struct fuse_bufvec) +
(av_len(bvlist) * sizeof(struct fuse_buf)));
if (src == NULL)
croak("Memory allocation failure!");
*src = FUSE_BUFVEC_INIT(0);
src->count = av_len(bvlist) + 1;
for (i = 0; i <= av_len(bvlist); i++) {
svp = av_fetch(bvlist, i, 1);
if (svp == NULL || *svp == NULL || !SvROK(*svp) ||
(bvhash = (HV *)SvRV(*svp)) == NULL ||
SvTYPE((SV *)bvhash) != SVt_PVHV)
croak("Entry provided as part of bufvec was wrong!");
if ((svp = hv_fetch(bvhash, "size", 4, 0)) != NULL)
src->buf[i].size = SvIV(*svp);
if ((svp = hv_fetch(bvhash, "flags", 5, 0)) != NULL)
src->buf[i].flags = SvIV(*svp);
if (src->buf[i].flags & FUSE_BUF_IS_FD) {
if ((svp = hv_fetch(bvhash, "fd", 2, 0)) != NULL)
src->buf[i].fd = SvIV(*svp);
else
croak("FUSE_BUF_IS_FD passed but no fd!");
if (src->buf[i].flags & FUSE_BUF_FD_SEEK) {
if ((svp = hv_fetch(bvhash, "pos", 3, 0)) != NULL)
src->buf[i].fd = SvIV(*svp);
else
croak("FUSE_BUF_FD_SEEK passed but no pos!");
}
}
else {
if ((svp = hv_fetch(bvhash, "mem", 3, 0)) != NULL) {
src->buf[i].mem = SvPV_nolen(*svp);
/* Should keep Perl from free()ing the memory
* zone the SV points to, since it'll be
* free()'d elsewhere at (potentially) any
* time... */
SvLEN_set(*svp, 0);
}
}
}
*bufp = src;
}
READ_BUF_FAIL:
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("read_buf end: %i\n", rv);
FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_flock (const char *file, struct fuse_file_info *fi, int op) {
int rv;
#ifndef PERL_HAS_64BITINT
char *temp;
#endif
FUSE_CONTEXT_PRE;
DEBUGf("flock begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
XPUSHs(FH_GETHANDLE(fi));
#ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(fi->lock_owner)));
#else
if (asprintf(&temp, "%llu", fi->lock_owner) == -1)
croak("Memory allocation failure!");
XPUSHs(sv_2mortal(newSVpv(temp, 0)));
#endif
XPUSHs(sv_2mortal(newSViv(op)));
PUTBACK;
rv = call_sv(MY_CXT.callback[43],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("flock end: %i\n", rv);
FUSE_CONTEXT_POST;
return rv;
}
#if FUSE_FOUND_MICRO_VER >= 1
int _PLfuse_fallocate (const char *file, int mode, off_t offset, off_t length,
struct fuse_file_info *fi) {
int rv;
#ifndef PERL_HAS_64BITINT
char *temp;
#endif
FUSE_CONTEXT_PRE;
DEBUGf("fallocate begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
XPUSHs(FH_GETHANDLE(fi));
XPUSHs(sv_2mortal(newSViv(mode)));
#ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(offset)));
#else
if (asprintf(&temp, "%llu", offset) == -1)
croak("Memory allocation failure!");
XPUSHs(sv_2mortal(newSVpv(temp, 0)));
#endif
#ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(length)));
#else
if (asprintf(&temp, "%llu", length) == -1)
croak("Memory allocation failure!");
XPUSHs(sv_2mortal(newSVpv(temp, 0)));
#endif
PUTBACK;
rv = call_sv(MY_CXT.callback[44],G_SCALAR);
SPAGAIN;
rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
DEBUGf("fallocate end: %i\n", rv);
FUSE_CONTEXT_POST;
return rv;
}
#endif /* FUSE_FOUND_MICRO_VER >= 1 */
#endif /* FUSE_VERSION >= 29 */
struct fuse_operations _available_ops = {
.getattr = _PLfuse_getattr,
.readlink = _PLfuse_readlink,
.getdir = _PLfuse_getdir,
.mknod = _PLfuse_mknod,
.mkdir = _PLfuse_mkdir,
.unlink = _PLfuse_unlink,
.rmdir = _PLfuse_rmdir,
.symlink = _PLfuse_symlink,
.rename = _PLfuse_rename,
.link = _PLfuse_link,
.chmod = _PLfuse_chmod,
.chown = _PLfuse_chown,
.truncate = _PLfuse_truncate,
.utime = _PLfuse_utime,
.open = _PLfuse_open,
.read = _PLfuse_read,
.write = _PLfuse_write,
.statfs = _PLfuse_statfs,
.flush = _PLfuse_flush,
.release = _PLfuse_release,
.fsync = _PLfuse_fsync,
.setxattr = _PLfuse_setxattr,
.getxattr = _PLfuse_getxattr,
.listxattr = _PLfuse_listxattr,
.removexattr = _PLfuse_removexattr,
.opendir = _PLfuse_opendir,
.readdir = _PLfuse_readdir,
.releasedir = _PLfuse_releasedir,
.fsyncdir = _PLfuse_fsyncdir,
.init = _PLfuse_init,
.destroy = _PLfuse_destroy,
.access = _PLfuse_access,
.create = _PLfuse_create,
.ftruncate = _PLfuse_ftruncate,
.fgetattr = _PLfuse_fgetattr,
.lock = _PLfuse_lock,
.utimens = _PLfuse_utimens,
.bmap = _PLfuse_bmap,
#if FUSE_VERSION >= 28
.ioctl = _PLfuse_ioctl,
.poll = _PLfuse_poll,
#endif /* FUSE_VERSION >= 28 */
#if FUSE_VERSION >= 29
.write_buf = _PLfuse_write_buf,
.read_buf = _PLfuse_read_buf,
.flock = _PLfuse_flock,
#if FUSE_FOUND_MICRO_VER >= 1
.fallocate = _PLfuse_fallocate,
#endif /* FUSE_FOUND_MICRO_VER >= 1 */
#endif /* FUSE_VERSION >= 29 */
};
MODULE = Fuse PACKAGE = Fuse
PROTOTYPES: DISABLE
BOOT:
MY_CXT_INIT;
#ifdef USE_ITHREADS
MY_CXT.self = aTHX;
#endif
void
CLONE(...)
PREINIT:
#ifdef USE_ITHREADS
int i;
dTHX;
#endif
CODE:
#ifdef USE_ITHREADS
MY_CXT_CLONE;
tTHX parent = MY_CXT.self;
MY_CXT.self = my_perl;
#if (PERL_VERSION < 10) || (PERL_VERSION == 10 && PERL_SUBVERSION <= 0)
/* CLONE entered without a pointer table, so we can't safely clone static data */
if(!PL_ptr_table) {
for(i=0;i<N_CALLBACKS;i++) {
MY_CXT.callback[i] = NULL;
}
MY_CXT.handles = newHV();
} else
#endif
{
CLONE_PARAMS *clone_param;
#if (PERL_VERSION > 13) || (PERL_VERSION == 13 && PERL_SUBVERSION >= 2)
clone_param = Perl_clone_params_new(parent, aTHX);
#else
CLONE_PARAMS raw_param;
raw_param.flags = 0;
raw_param.proto_perl = parent;
raw_param.stashes = (AV*)sv_2mortal((SV*)newAV());
clone_param = &raw_param;
#endif
for(i=0;i<N_CALLBACKS;i++) {
MY_CXT.callback[i] = sv_dup(MY_CXT.callback[i], clone_param);
}
MY_CXT.handles = (HV*)sv_dup((SV*)MY_CXT.handles, clone_param);
#if (PERL_VERSION > 13) || (PERL_VERSION == 13 && PERL_SUBVERSION >= 2)
Perl_clone_params_del(clone_param);
#endif
}
#endif
SV*
fuse_get_context()
PREINIT:
struct fuse_context *fc;
CODE:
fc = fuse_get_context();
if(fc) {
HV *hash = newHV();
(void) hv_store(hash, "uid", 3, newSViv(fc->uid), 0);
(void) hv_store(hash, "gid", 3, newSViv(fc->gid), 0);
(void) hv_store(hash, "pid", 3, newSViv(fc->pid), 0);
if (fc->private_data)
(void) hv_store(hash, "private", 7, fc->private_data, 0);
#if FUSE_VERSION >= 28
(void) hv_store(hash, "umask", 5, newSViv(fc->umask), 0);
#endif /* FUSE_VERSION >= 28 */
RETVAL = newRV_noinc((SV*)hash);
} else {
XSRETURN_UNDEF;
}
OUTPUT:
RETVAL
void
fuse_version()
PPCODE:
int gimme = GIMME_V;
if (gimme == G_SCALAR)
XPUSHs(sv_2mortal(newSVpvf("%d.%d", FUSE_MAJOR_VERSION, FUSE_MINOR_VERSION)));
else if (gimme == G_ARRAY) {
#ifdef FUSE_FOUND_MICRO_VER
XPUSHs(sv_2mortal(newSViv(FUSE_FOUND_MAJOR_VER)));
XPUSHs(sv_2mortal(newSViv(FUSE_FOUND_MINOR_VER)));
XPUSHs(sv_2mortal(newSViv(FUSE_FOUND_MICRO_VER)));
#else
XPUSHs(sv_2mortal(newSViv(FUSE_MAJOR_VERSION)));
XPUSHs(sv_2mortal(newSViv(FUSE_MINOR_VERSION)));
XPUSHs(sv_2mortal(newSViv(0)));
#endif
}
SV *
XATTR_CREATE()
CODE:
RETVAL = newSViv(XATTR_CREATE);
OUTPUT:
RETVAL
SV *
XATTR_REPLACE()
CODE:
RETVAL = newSViv(XATTR_REPLACE);
OUTPUT:
RETVAL
#if FUSE_VERSION >= 29
#ifdef __linux__
SV *
UTIME_NOW()
CODE:
RETVAL = newSViv(UTIME_NOW);
OUTPUT:
RETVAL
SV *
UTIME_OMIT()
CODE:
RETVAL = newSViv(UTIME_OMIT);
OUTPUT:
RETVAL
#endif /* defined(__linux__) */
SV *
FUSE_BUF_IS_FD()
CODE:
RETVAL = newSViv(FUSE_BUF_IS_FD);
OUTPUT:
RETVAL
SV *
FUSE_BUF_FD_SEEK()
CODE:
RETVAL = newSViv(FUSE_BUF_FD_SEEK);
OUTPUT:
RETVAL
SV *
FUSE_BUF_FD_RETRY()
CODE:
RETVAL = newSViv(FUSE_BUF_FD_RETRY);
OUTPUT:
RETVAL
ssize_t
fuse_buf_copy(...)
PREINIT:
struct fuse_bufvec *dst = NULL, *src = NULL;
AV *av_src, *av_dst;
HV *hv;
SV **svp, *sv;
int i;
INIT:
if (items != 2) {
fprintf(stderr, "fuse_buf_copy needs dst and src\n");
XSRETURN_UNDEF;
}
CODE:
sv = ST(0);
if (!(SvROK(sv) && SvTYPE(av_dst = (AV *)SvRV(sv)) == SVt_PVAV))
croak("Argument supplied was not arrayref!");
sv = ST(1);
if (!(SvROK(sv) && SvTYPE(av_src = (AV *)SvRV(sv)) == SVt_PVAV))
croak("Argument supplied was not arrayref!");
dst = malloc(sizeof(struct fuse_bufvec) +
(av_len(av_dst) * sizeof(struct fuse_buf)));
if (dst == NULL)
croak("Memory allocation failure!");
*dst = FUSE_BUFVEC_INIT(0);
dst->count = av_len(av_dst) + 1;
for (i = 0; i <= av_len(av_dst); i++) {
svp = av_fetch(av_dst, i, 1);
if (svp == NULL || *svp == NULL || !SvROK(*svp) ||
(hv = (HV *)SvRV(*svp)) == NULL ||
SvTYPE((SV *)hv) != SVt_PVHV)
croak("Entry provided as part of bufvec was wrong!");
if ((svp = hv_fetch(hv, "size", 4, 0)) != NULL)
dst->buf[i].size = SvIV(*svp);
if ((svp = hv_fetch(hv, "flags", 5, 0)) != NULL)
dst->buf[i].flags = SvIV(*svp);
if (dst->buf[i].flags & FUSE_BUF_IS_FD) {
if ((svp = hv_fetch(hv, "fd", 2, 0)) != NULL)
dst->buf[i].fd = SvIV(*svp);
else
croak("FUSE_BUF_IS_FD passed but no fd!");
if (dst->buf[i].flags & FUSE_BUF_FD_SEEK) {
if ((svp = hv_fetch(hv, "pos", 3, 0)) != NULL)
dst->buf[i].fd = SvIV(*svp);
else
croak("FUSE_BUF_FD_SEEK passed but no pos!");
}
}
else {
if ((svp = hv_fetch(hv, "mem", 3, 0)) != NULL) {
if ((dst->buf[i].mem = malloc(dst->buf[i].size)) == NULL)
croak("Memory allocation failure!");
}
}
}
src = malloc(sizeof(struct fuse_bufvec) +
(av_len(av_src) * sizeof(struct fuse_buf)));
if (src == NULL)
croak("Memory allocation failure!");
*src = FUSE_BUFVEC_INIT(0);
src->count = av_len(av_src) + 1;
for (i = 0; i <= av_len(av_src); i++) {
svp = av_fetch(av_src, i, 1);
if (svp == NULL || *svp == NULL || !SvROK(*svp) ||
(hv = (HV *)SvRV(*svp)) == NULL ||
SvTYPE((SV *)hv) != SVt_PVHV)
croak("Entry provided as part of bufvec was wrong!");
if ((svp = hv_fetch(hv, "size", 4, 0)) != NULL)
src->buf[i].size = SvIV(*svp);
if ((svp = hv_fetch(hv, "flags", 5, 0)) != NULL)
src->buf[i].flags = SvIV(*svp);
if (src->buf[i].flags & FUSE_BUF_IS_FD) {
if ((svp = hv_fetch(hv, "fd", 2, 0)) != NULL)
src->buf[i].fd = SvIV(*svp);
else
croak("FUSE_BUF_IS_FD passed but no fd!");
if (src->buf[i].flags & FUSE_BUF_FD_SEEK) {
if ((svp = hv_fetch(hv, "pos", 3, 0)) != NULL)
src->buf[i].fd = SvIV(*svp);
else
croak("FUSE_BUF_FD_SEEK passed but no pos!");
}
}
else {
if ((svp = hv_fetch(hv, "mem", 3, 0)) != NULL) {
src->buf[i].mem = SvPV_nolen(*svp);
SvLEN_set(*svp, 0);
}
}
}
RETVAL = fuse_buf_copy(dst, src, 0);
if (RETVAL > 0) {
for (i = 0; i < dst->count; i++) {
svp = av_fetch(av_dst, i, 1);
if (svp == NULL || *svp == NULL || !SvROK(*svp) ||
(hv = (HV *)SvRV(*svp)) == NULL ||
SvTYPE((SV *)hv) != SVt_PVHV)
croak("Entry provided as part of bufvec was wrong!");
if (!(dst->buf[i].flags & FUSE_BUF_IS_FD)) {
#if (PERL_VERSION < 8) || (PERL_VERSION == 8 && PERL_SUBVERSION < 9)
sv = newSV(0);
sv_upgrade(sv, SVt_PV);
#else
sv = newSV_type(SVt_PV);
#endif
SvPV_set(sv, (char *)dst->buf[i].mem);
SvLEN_set(sv, dst->buf[i].size);
SvCUR_set(sv, dst->buf[i].size);
SvPOK_on(sv);
SvREADONLY_on(sv);
(void) hv_store(hv, "mem", 3, sv, 0);
}
}
}
free(dst);
free(src);
OUTPUT:
RETVAL
#endif /* FUSE_VERSION >= 29 */
void
perl_fuse_main(...)
PREINIT:
struct fuse_operations fops;
int i, debug;
char *mountpoint;
char *mountopts;
struct fuse_args args = FUSE_ARGS_INIT(0, NULL);
struct fuse_chan *fc;
dMY_CXT;
INIT:
if(items != N_CALLBACKS + N_FLAGS) {
fprintf(stderr,"Perl<->C inconsistency or internal error\n");
XSRETURN_UNDEF;
}
memset(&fops, 0, sizeof(struct fuse_operations));
CODE:
debug = SvIV(ST(0));
MY_CXT.threaded = SvIV(ST(1));
MY_CXT.handles = (HV*)(sv_2mortal((SV*)(newHV())));
if(MY_CXT.threaded) {
#ifdef FUSE_USE_ITHREADS
master_interp = aTHX;
MUTEX_INIT(&MY_CXT.mutex);
SvSHARE((SV*)(MY_CXT.handles));
#else
fprintf(stderr,"FUSE warning: Your script has requested multithreaded "
"mode, but your perl was not built with a supported "
"thread model. Threads are disabled.\n");
MY_CXT.threaded = 0;
#endif
}
mountpoint = SvPV_nolen(ST(2));
mountopts = SvPV_nolen(ST(3));
#if FUSE_VERSION >= 28
fops.flag_nullpath_ok = SvIV(ST(4));
#endif /* FUSE_VERSION >= 28 */
MY_CXT.utimens_as_array = SvIV(ST(5));
#if FUSE_VERSION >= 29
fops.flag_nopath = SvIV(ST(6));
fops.flag_utime_omit_ok = SvIV(ST(7));
#endif /* FUSE_VERSION >= 29 */
for(i=0;i<N_CALLBACKS;i++) {
SV *var = ST(i+N_FLAGS);
/* allow symbolic references, or real code references. */
if(SvOK(var) && (SvPOK(var) || (SvROK(var) && SvTYPE(SvRV(var)) == SVt_PVCV))) {
void **tmp1 = (void**)&_available_ops, **tmp2 = (void**)&fops;
/* Dirty hack, to keep anything from overwriting the
* flag area with a pointer. There should never be
* anything passed as 'junk', but this prevents
* someone from doing it and screwing things up... */
if (i == 38)
continue;
tmp2[i] = tmp1[i];
MY_CXT.callback[i] = var;
} else if(SvOK(var)) {
croak("invalid callback (%i) passed to perl_fuse_main "
"(%s is not a string, code ref, or undef).\n",
i+N_FLAGS,SvPVbyte_nolen(var));
} else {
MY_CXT.callback[i] = NULL;
}
}
/*
* XXX: What comes here is just a ridiculous use of the option parsing API
* to hack on compatibility with other parts of the new API. First and
* foremost, real C argc/argv would be good to get at...
*/
if ((mountopts || debug) && fuse_opt_add_arg(&args, "") == -1) {
fuse_opt_free_args(&args);
croak("out of memory\n");
}
if (mountopts && strcmp("", mountopts) &&
(fuse_opt_add_arg(&args, "-o") == -1 ||
fuse_opt_add_arg(&args, mountopts) == -1)) {
fuse_opt_free_args(&args);
croak("out of memory\n");
}
if (debug && fuse_opt_add_arg(&args, "-d") == -1) {
fuse_opt_free_args(&args);
croak("out of memory\n");
}
fc = fuse_mount(mountpoint,&args);
if (fc == NULL)
croak("could not mount fuse filesystem!\n");
#if !defined(USING_LIBREFUSE) && !defined(__OpenBSD__)
if(MY_CXT.threaded) {
fuse_loop_mt(fuse_new(fc,&args,&fops,sizeof(fops),NULL));
} else
#endif /* !defined(USING_LIBREFUSE) && !defined(__OpenBSD__) */
fuse_loop(fuse_new(fc,&args,&fops,sizeof(fops),NULL));
fuse_unmount(mountpoint,fc);
fuse_opt_free_args(&args);
#if FUSE_VERSION >= 28
void
pollhandle_destroy(...)
PREINIT:
struct fuse_pollhandle *ph;
INIT:
if (items != 1) {
fprintf(stderr, "No pollhandle passed?\n");
XSRETURN_UNDEF;
}
CODE:
ph = INT2PTR(struct fuse_pollhandle*, SvIV(ST(0)));
fuse_pollhandle_destroy(ph);
int
notify_poll(...)
PREINIT:
struct fuse_pollhandle *ph;
INIT:
if (items != 1) {
fprintf(stderr, "No pollhandle passed?\n");
XSRETURN_UNDEF;
}
CODE:
ph = INT2PTR(struct fuse_pollhandle*, SvIV(ST(0)));
RETVAL = fuse_notify_poll(ph);
OUTPUT:
RETVAL
#endif
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