#include "perl.h"
#include "XSUB.h"
+/*
+ * XXX: Fuse on FreeBSD does not support extended attributes (see
+ * /usr/local/share/doc/fusefs/kmod/doc.text). Also, 'extattr_set_file' syscall
+ * declared in 'sys/extattr.h' does not accept any flags. We could either skip
+ * defining XATTR_CREATE and XATTR_REPLACE constants (as further below, and
+ * which breaks their usage if Perl module exports them), set them to some
+ * dummy values, or not allow them to be exported at all on FreeBSD.
+ */
+#ifndef __FreeBSD__
+# include <sys/xattr.h>
+#endif
#include <fuse.h>
/* Determine if threads support should be included */
/* Global Data */
#define MY_CXT_KEY "Fuse::_guts" XS_VERSION
-#define N_CALLBACKS 29
+/* #if FUSE_VERSION >= 28
+# define N_CALLBACKS 41 */
+#if FUSE_VERSION >= 26
+# define N_CALLBACKS 38
+#elif FUSE_VERSION >= 25
+# define N_CALLBACKS 35
+#elif FUSE_VERSION >= 23
+# define N_CALLBACKS 31
+#else
+# define N_CALLBACKS 25
+#endif
typedef struct {
SV *callback[N_CALLBACKS];
HE *he;
if((he = hv_fetch_ent(MY_CXT.handles, FH_KEY(fi), 0, 0))) {
val = HeVAL(he);
- mg_get(val);
+ 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), 0, G_DISCARD);
+ (void)hv_delete_ent(MY_CXT.handles, FH_KEY(fi), G_DISCARD, 0);
fi->fh = 0;
}
}
SvSHARE(sv);
}
#endif
- MAGIC *mg = mg_find(sv, PERL_MAGIC_shared_scalar);
+ MAGIC *mg = (SvTYPE(sv) == SVt_PVMG) ? mg_find(sv, PERL_MAGIC_shared_scalar) : NULL;
fi->fh = mg ? PTR2IV(mg->mg_ptr) : PTR2IV(sv);
- (void)hv_store_ent(MY_CXT.handles, FH_KEY(fi), sv, 0);
- mg_set(sv);
+ if(hv_store_ent(MY_CXT.handles, FH_KEY(fi), SvREFCNT_inc(sv), 0) == NULL) {
+ SvREFCNT_dec(sv);
+ }
+ SvSETMAGIC(sv);
}
}
return rv;
}
-int _PLfuse_opendir(const char *file, struct fuse_file_info *info) {
- croak("opendir NOT IMPLEMENTED");
-}
-int _PLfuse_releasedir(const char *file, struct fuse_file_info *info) {
- croak("releasedir NOT IMPLEMENTED");
-}
-int _PLfuse_fsyncdir(const char *file, struct fuse_file_info *info) {
- croak("fsyncdir NOT IMPLEMENTED");
-}
-
-int _PLfuse_readdir(const char *file, void *dirh, fuse_fill_dir_t dirfil, off_t off, struct fuse_file_info *fi) {
- int prv, rv, offset;
- SV *entry;
- FUSE_CONTEXT_PRE;
- DEBUGf("readdir begin\n");
- ENTER;
- SAVETMPS;
- PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpv(file,0)));
- XPUSHs(sv_2mortal(newSViv(off)));
- PUTBACK;
- prv = call_sv(MY_CXT.callback[26],G_ARRAY);
- SPAGAIN;
- if(3 == prv) {
- rv = POPi;
- offset = POPi;
- entry = POPs;
- if(SvOK(entry))
- dirfil(dirh,SvPV_nolen(entry),NULL,offset);
- } else {
- fprintf(stderr,"readdir() handler didn't return 2 values!\n");
- rv = -ENOSYS;
- }
- FREETMPS;
- LEAVE;
- PUTBACK;
- DEBUGf("readdir 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;
prv = call_sv(MY_CXT.callback[2],G_ARRAY);
SPAGAIN;
if(prv) {
+ /* Should yield the bottom of the current stack... */
+ swp = &TOPs - prv + 1;
rv = POPi;
- while(--prv)
- dirfil(dirh,POPp,0,0);
+ /* 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 <= &TOPs)
+ dirfil(dirh,SvPVx_nolen(*(swp++)),0,0);
} else {
fprintf(stderr,"getdir() handler returned nothing!\n");
rv = -ENOSYS;
PUTBACK;
rv = call_sv(MY_CXT.callback[3],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[4],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[5],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[6],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[7],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[8],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[9],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[10],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[11],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
#ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(off)));
#else
- asprintf(&temp, "%llu", off);
+ 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;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[13],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
fi->fh = 0; /* Ensure it starts with 0 - important if they don't set it */
fihash = newHV();
#if FUSE_VERSION >= 24
- hv_store(fihash, "direct_io", 9, newSViv(fi->direct_io), 0);
- hv_store(fihash, "keep_cache", 10, newSViv(fi->keep_cache), 0);
+ (void) hv_store(fihash, "direct_io", 9, newSViv(fi->direct_io), 0);
+ (void) hv_store(fihash, "keep_cache", 10, newSViv(fi->keep_cache), 0);
#endif
#if FUSE_VERSION >= 29
- hv_store(fihash, "nonseekable", 11, newSViv(fi->nonseekable), 0);
+ (void) hv_store(fihash, "nonseekable", 11, newSViv(fi->nonseekable), 0);
#endif
XPUSHs(sv_2mortal(newRV_noinc((SV*) fihash)));
/* All hashref things done */
/* Success, so copy the file handle which they returned */
#if FUSE_VERSION >= 24
SV **svp;
- svp = hv_fetch(fihash, "direct_io", 9, 0);
- if (svp != NULL)
- {
- fi->direct_io = SvIV(*svp);
- }
- svp = hv_fetch(fihash, "keep_cache", 10, 0);
- if (svp != NULL)
- {
- fi->keep_cache = SvIV(*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);
#endif
#if FUSE_VERSION >= 29
- svp = hv_fetch(fihash, "nonseekable", 11, 0);
- if (svp != NULL)
- {
- fi->nonseekable = SvIV(*svp);
- }
+ if ((svp = hv_fetch(fihash, "nonseekable", 11, 0)) != NULL)
+ fi->nonseekable = SvIV(*svp);
#endif
}
FREETMPS;
return rv;
}
-int _PLfuse_read (const char *file, char *buf, size_t buflen, off_t off, struct fuse_file_info *fi) {
+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;
ENTER;
SAVETMPS;
PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpv(file,0)));
+ 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
- asprintf(&temp, "%llu", off);
+ if (asprintf(&temp, "%llu", off) == -1)
+ croak("Memory allocation failure!");
XPUSHs(sv_2mortal(newSVpv(temp, 0)));
free(temp);
#endif
ENTER;
SAVETMPS;
PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpv(file,0)));
+ XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
XPUSHs(sv_2mortal(newSVpvn(buf,buflen)));
#ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(off)));
#else
- asprintf(&temp, "%llu", off);
+ 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[16],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
ENTER;
SAVETMPS;
PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpv(file,0)));
+ 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;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
ENTER;
SAVETMPS;
PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpv(file,0)));
+ 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[19],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FH_RELEASEHANDLE(fi);
FREETMPS;
LEAVE;
ENTER;
SAVETMPS;
PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpv(file,0)));
+ 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;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[21],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[24],G_SCALAR);
SPAGAIN;
- if(rv)
+ rv = (rv ? POPi : 0);
+ FREETMPS;
+ LEAVE;
+ PUTBACK;
+ DEBUGf("removexattr end: %i\n",rv);
+ FUSE_CONTEXT_POST;
+ return rv;
+}
+
+#if FUSE_VERSION >= 23
+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
+ } else
rv = 0;
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("removexattr end: %i\n",rv);
+ 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 = &TOPs - 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 <= &TOPs) {
+ 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)));
+ st.st_atime = SvIV(*(av_fetch(av2, 8, FALSE)));
+ st.st_mtime = SvIV(*(av_fetch(av2, 9, FALSE)));
+ st.st_ctime = SvIV(*(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");
+ }
+ } 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;
+}
+
+#if FUSE_VERSION >= 26
+void *_PLfuse_init(struct fuse_conn_info *fc)
+#else /* FUSE_VERSION < 26 */
+void *_PLfuse_init(void)
+#endif /* FUSE_VERSION >= 26 */
+{
+ 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("init end\n");
+ FUSE_CONTEXT_POST;
+}
+#endif /* FUSE_VERSION >= 23 */
+
+#if FUSE_VERSION >= 25
+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 >= 29
+ (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 >= 29
+ 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;
+ result->st_ctime = POPi;
+ result->st_mtime = POPi;
+ result->st_atime = POPi;
+ 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;
+}
+#endif /* FUSE_VERSION >= 25 */
+
+#if FUSE_VERSION >= 26
+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)));
+ 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;
+}
+#endif /* FUSE_VERSION >= 26 */
+
+#if 0
+#if FUSE_VERSION >= 28
+int _PLfuse_ioctl(const char *file, int cmd, void *arg,
+ struct fuse_file_info *fi, unsigned int flags, void *data) {
+ int rv;
+ FUSE_CONTEXT_PRE;
+ DEBUGf("ioctl begin\n");
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(sv_2mortal(newSVpv(file,0)));
+ XPUSHs(sv_2mortal(newSViv(cmd)));
+ XPUSHs(sv_2mortal(newSViv(flags)));
+ if (_IOC_DIR(cmd) & _IOC_READ)
+ 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 (_IOC_DIR(cmd) & _IOC_WRITE) {
+ if (rv == 2) {
+ SV *sv = POPs;
+ unsigned int 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);
+ }
+
+ rv--;
+ }
+ else {
+ fprintf(stderr, "ioctl(): ioctl was a write op, but no data was returned from call?\n");
+ rv = -EFAULT;
+ }
+ }
+ if (rv > 0)
+ rv = POPi;
+ 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) {
+
+}
+#endif /* FUSE_VERSION >= 28 */
+#endif
+
struct fuse_operations _available_ops = {
getattr: _PLfuse_getattr,
readlink: _PLfuse_readlink,
getxattr: _PLfuse_getxattr,
listxattr: _PLfuse_listxattr,
removexattr: _PLfuse_removexattr,
-opendir: _PLfuse_opendir,
+#if FUSE_VERSION >= 23
+opendir: _PLfuse_opendir,
readdir: _PLfuse_readdir,
releasedir: _PLfuse_releasedir,
fsyncdir: _PLfuse_fsyncdir,
+init: _PLfuse_init,
+destroy: _PLfuse_destroy,
+#endif /* FUSE_VERSION >= 23 */
+#if FUSE_VERSION >= 25
+access: _PLfuse_access,
+create: _PLfuse_create,
+ftruncate: _PLfuse_ftruncate,
+fgetattr: _PLfuse_fgetattr,
+#endif /* FUSE_VERSION >= 25 */
+#if FUSE_VERSION >= 26
+lock: _PLfuse_lock,
+utimens: _PLfuse_utimens,
+bmap: _PLfuse_bmap,
+#endif /* FUSE_VERSION >= 26 */
+#if 0
+#if FUSE_VERSION >= 28
+ioctl: _PLfuse_ioctl,
+poll: _PLfuse_poll,
+#endif /* FUSE_VERSION >= 28 */
+#endif
};
MODULE = Fuse PACKAGE = Fuse
fc = fuse_get_context();
if(fc) {
HV *hash = newHV();
- hv_store(hash, "uid", 3, newSViv(fc->uid), 0);
- hv_store(hash, "gid", 3, newSViv(fc->gid), 0);
- hv_store(hash, "pid", 3, newSViv(fc->pid), 0);
+ (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
+SV *
+fuse_version()
+ CODE:
+ RETVAL = newSVpvf("%d.%d", FUSE_MAJOR_VERSION, FUSE_MINOR_VERSION);
+ OUTPUT:
+ RETVAL
+
+#ifndef __FreeBSD__
+SV *
+XATTR_CREATE()
+ CODE:
+ RETVAL = newSViv(XATTR_CREATE);
+ OUTPUT:
+ RETVAL
+
+SV *
+XATTR_REPLACE()
+ CODE:
+ RETVAL = newSViv(XATTR_REPLACE);
+ OUTPUT:
+ RETVAL
+
+#endif
+
void
perl_fuse_main(...)
PREINIT:
- struct fuse_operations fops =
- {NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
- NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL};
+ struct fuse_operations fops;
int i, debug;
char *mountpoint;
char *mountopts;
- struct fuse_args margs = FUSE_ARGS_INIT(0, NULL);
- struct fuse_args fargs = FUSE_ARGS_INIT(0, NULL);
+ struct fuse_args args = FUSE_ARGS_INIT(0, NULL);
struct fuse_chan *fc;
dMY_CXT;
INIT:
- if(items != 4+N_CALLBACKS) {
+ if(items != N_CALLBACKS + 5) {
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));
}
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 */
for(i=0;i<N_CALLBACKS;i++) {
- SV *var = ST(i+4);
+ SV *var = ST(i+5);
/* 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+4,SvPVbyte_nolen(var));
+ i+5,SvPVbyte_nolen(var));
} else {
MY_CXT.callback[i] = NULL;
}
* 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 &&
- (fuse_opt_add_arg(&margs, "") == -1 ||
- fuse_opt_add_arg(&margs, "-o") == -1 ||
- fuse_opt_add_arg(&margs, mountopts) == -1)) {
- fuse_opt_free_args(&margs);
+ if ((mountopts || debug) && fuse_opt_add_arg(&args, "") == -1) {
+ fuse_opt_free_args(&args);
croak("out of memory\n");
}
- fc = fuse_mount(mountpoint,&margs);
- fuse_opt_free_args(&margs);
+ 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 (debug) {
- if ( fuse_opt_add_arg(&fargs, "") == -1 ||
- fuse_opt_add_arg(&fargs, "-d") == -1) {
- fuse_opt_free_args(&fargs);
- croak("out of memory\n");
- }
- } else {
- if (fuse_opt_add_arg(&fargs, "") == -1)
- croak("out of memory\n");
- }
#ifndef __NetBSD__
if(MY_CXT.threaded) {
- fuse_loop_mt(fuse_new(fc,&fargs,&fops,sizeof(fops),NULL));
+ fuse_loop_mt(fuse_new(fc,&args,&fops,sizeof(fops),NULL));
} else
#endif
- fuse_loop(fuse_new(fc,&fargs,&fops,sizeof(fops),NULL));
+ fuse_loop(fuse_new(fc,&args,&fops,sizeof(fops),NULL));
fuse_unmount(mountpoint,fc);
- fuse_opt_free_args(&fargs);
+ fuse_opt_free_args(&args);
projects / perl-fuse.git / blobdiff