+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("init 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 */
+
+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 */
+};
+
+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
+
+SV *
+fuse_version()