+/*
+ * vim:ts=8:noet
+ */
+
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
}
}
}
-# define FUSE_CONTEXT_PRE create_perl_context(); {
+# define FUSE_CONTEXT_PRE create_perl_context(); { dSP
# define FUSE_CONTEXT_POST }
# define FUSE_USE_ITHREADS
# else
# error "Sorry, I don't know how to handle ithreads on this architecture."
# endif
#else
-# define FUSE_CONTEXT_PRE
+# define FUSE_CONTEXT_PRE dSP
# define FUSE_CONTEXT_POST
#endif
-#include <fuse/fuse.h>
+#include <fuse.h>
#undef DEBUGf
-#if 1
+#if 0
#define DEBUGf(f, a...) fprintf(stderr, "%s:%d (%i): " f,__BASE_FILE__,__LINE__,sp-PL_stack_base ,##a )
#else
#define DEBUGf(a...)
SV *_PLfuse_callbacks[N_CALLBACKS];
int _PLfuse_getattr(const char *file, struct stat *result) {
- int rv, statcount;
+ int rv;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("getattr begin: %s\n",file);
ENTER;
SAVETMPS;
result->st_ctime = POPi;
result->st_mtime = POPi;
result->st_atime = POPi;
- result->st_size = 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_ino = POPi;
result->st_dev = POPi;
rv = 0;
}
int _PLfuse_readlink(const char *file,char *buf,size_t buflen) {
int rv;
- char *rvstr;
- I32 ax;
FUSE_CONTEXT_PRE;
- dSP;
if(buflen < 1)
return EINVAL;
DEBUGf("readlink begin\n");
return rv;
}
+#if 0
+/*
+ * This doesn't yet work... we alwas get ENOSYS when trying to use readdir().
+ * Well, of course, getdir() is fine as well.
+ */
+ int _PLfuse_readdir(const char *file, void *dirh, fuse_fill_dir_t dirfil, off_t off, struct fuse_file_info *fi) {
+#endif
int _PLfuse_getdir(const char *file, fuse_dirh_t dirh, fuse_dirfil_t dirfil) {
int prv, rv;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("getdir begin\n");
ENTER;
SAVETMPS;
if(prv) {
rv = POPi;
while(--prv)
- dirfil(dirh,POPp,0);
+ dirfil(dirh,POPp,0,0);
} else {
fprintf(stderr,"getdir() handler returned nothing!\n");
rv = -ENOSYS;
int _PLfuse_mknod (const char *file, mode_t mode, dev_t dev) {
int rv;
- SV *rvsv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("mknod begin\n");
ENTER;
SAVETMPS;
int _PLfuse_mkdir (const char *file, mode_t mode) {
int rv;
- SV *rvsv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("mkdir begin\n");
ENTER;
SAVETMPS;
int _PLfuse_unlink (const char *file) {
int rv;
- SV *rvsv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("unlink begin\n");
ENTER;
SAVETMPS;
int _PLfuse_rmdir (const char *file) {
int rv;
- SV *rvsv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("rmdir begin\n");
ENTER;
SAVETMPS;
int _PLfuse_symlink (const char *file, const char *new) {
int rv;
- SV *rvsv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("symlink begin\n");
ENTER;
SAVETMPS;
int _PLfuse_rename (const char *file, const char *new) {
int rv;
- SV *rvsv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("rename begin\n");
ENTER;
SAVETMPS;
int _PLfuse_link (const char *file, const char *new) {
int rv;
- SV *rvsv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("link begin\n");
ENTER;
SAVETMPS;
int _PLfuse_chmod (const char *file, mode_t mode) {
int rv;
- SV *rvsv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("chmod begin\n");
ENTER;
SAVETMPS;
int _PLfuse_chown (const char *file, uid_t uid, gid_t gid) {
int rv;
- SV *rvsv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("chown begin\n");
ENTER;
SAVETMPS;
int _PLfuse_truncate (const char *file, off_t off) {
int rv;
- SV *rvsv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("truncate begin\n");
ENTER;
SAVETMPS;
int _PLfuse_utime (const char *file, struct utimbuf *uti) {
int rv;
- SV *rvsv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("utime begin\n");
ENTER;
SAVETMPS;
return rv;
}
-int _PLfuse_open (const char *file, int flags) {
+int _PLfuse_open (const char *file, struct fuse_file_info *fi) {
int rv;
- SV *rvsv;
- char *rvstr;
+ int flags = fi->flags;
+ HV *fihash;
FUSE_CONTEXT_PRE;
- dSP;
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();
+#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);
+#endif
+#if FUSE_VERSION >= 29
+ 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(_PLfuse_callbacks[14],G_SCALAR);
+ /* Open called with filename, flags */
+ rv = call_sv(_PLfuse_callbacks[14],G_ARRAY);
SPAGAIN;
if(rv)
+ {
+ SV *sv;
+ if (rv > 1)
+ {
+ sv = POPs;
+ if (SvOK(sv))
+ {
+ /* We're holding on to the sv reference until
+ * after exit of this function, so we need to
+ * increment its reference count
+ */
+ fi->fh = SvREFCNT_inc(sv);
+ }
+ }
rv = POPi;
+ }
else
rv = 0;
+ if (rv == 0)
+ {
+ /* 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);
+ }
+#endif
+#if FUSE_VERSION >= 29
+ svp = hv_fetch(fihash, "nonseekable", 11, 0);
+ if (svp != NULL)
+ {
+ fi->nonseekable = SvIV(*svp);
+ }
+#endif
+ }
FREETMPS;
LEAVE;
PUTBACK;
return rv;
}
-int _PLfuse_read (const char *file, char *buf, size_t buflen, off_t off) {
+int _PLfuse_read (const char *file, char *buf, size_t buflen, off_t off, struct fuse_file_info *fi) {
int rv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("read begin\n");
ENTER;
SAVETMPS;
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSViv(buflen)));
XPUSHs(sv_2mortal(newSViv(off)));
+ XPUSHs(fi->fh==0 ? &PL_sv_undef : (SV *)fi->fh);
PUTBACK;
rv = call_sv(_PLfuse_callbacks[15],G_SCALAR);
SPAGAIN;
return rv;
}
-int _PLfuse_write (const char *file, const char *buf, size_t buflen, off_t off) {
+int _PLfuse_write (const char *file, const char *buf, size_t buflen, off_t off, struct fuse_file_info *fi) {
int rv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("write begin\n");
ENTER;
SAVETMPS;
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSVpvn(buf,buflen)));
XPUSHs(sv_2mortal(newSViv(off)));
+ XPUSHs(fi->fh==0 ? &PL_sv_undef : (SV *)fi->fh);
PUTBACK;
rv = call_sv(_PLfuse_callbacks[16],G_SCALAR);
SPAGAIN;
return rv;
}
-/* FIXME check for old fuse API (< 21?) and use statfs here */
int _PLfuse_statfs (const char *file, struct statvfs *st) {
int rv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("statfs begin\n");
ENTER;
SAVETMPS;
SPAGAIN;
DEBUGf("statfs got %i params\n",rv);
if(rv == 6 || rv == 7) {
- st->f_bsize = POPi;
- st->f_bfree = st->f_bavail = POPi;
- st->f_blocks = POPi;
- st->f_ffree = st->f_favail = POPi;
- st->f_files = POPi;
- st->f_namemax = POPi;
- /* zero all other */
- st->f_frsize = 4096;
+ 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_frsize = 4096;
st->f_flag = 0;
+ st->f_bavail = st->f_bfree;
+ st->f_favail = st->f_ffree;
if(rv == 7)
rv = POPi;
return rv;
}
-int _PLfuse_flush (const char *file) {
+int _PLfuse_flush (const char *file, struct fuse_file_info *fi) {
int rv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("flush begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
+ XPUSHs(fi->fh==0 ? &PL_sv_undef : (SV *)fi->fh);
PUTBACK;
rv = call_sv(_PLfuse_callbacks[18],G_SCALAR);
SPAGAIN;
return rv;
}
-int _PLfuse_release (const char *file, int flags) {
+int _PLfuse_release (const char *file, struct fuse_file_info *fi) {
int rv;
- char *rvstr;
+ int flags = fi->flags;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("release begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSViv(flags)));
+ XPUSHs(fi->fh==0 ? &PL_sv_undef : (SV *)fi->fh);
PUTBACK;
rv = call_sv(_PLfuse_callbacks[19],G_SCALAR);
SPAGAIN;
rv = POPi;
else
rv = 0;
+ /* We're now finished with the handle that we were given, so
+ * we should decrement its count so that it can be freed.
+ */
+ if (fi->fh != 0)
+ {
+ SvREFCNT_dec((SV *)fi->fh);
+ fi->fh = 0;
+ }
FREETMPS;
LEAVE;
PUTBACK;
return rv;
}
-int _PLfuse_fsync (const char *file, int flags) {
+int _PLfuse_fsync (const char *file, int datasync, struct fuse_file_info *fi) {
int rv;
- char *rvstr;
+ int flags = fi->flags;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("fsync begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(file,0)));
XPUSHs(sv_2mortal(newSViv(flags)));
+ XPUSHs(fi->fh==0 ? &PL_sv_undef : (SV *)fi->fh);
PUTBACK;
rv = call_sv(_PLfuse_callbacks[20],G_SCALAR);
SPAGAIN;
int _PLfuse_setxattr (const char *file, const char *name, const char *buf, size_t buflen, int flags) {
int rv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("setxattr begin\n");
ENTER;
SAVETMPS;
int _PLfuse_getxattr (const char *file, const char *name, char *buf, size_t buflen) {
int rv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("getxattr begin\n");
ENTER;
SAVETMPS;
int _PLfuse_listxattr (const char *file, char *list, size_t size) {
int prv, rv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("listxattr begin\n");
ENTER;
SAVETMPS;
char *p = list;
int spc = size;
int total_len = 0;
- int i;
rv = POPi;
prv--;
int _PLfuse_removexattr (const char *file, const char *name) {
int rv;
- char *rvstr;
FUSE_CONTEXT_PRE;
- dSP;
DEBUGf("removexattr begin\n");
ENTER;
SAVETMPS;
getattr: _PLfuse_getattr,
readlink: _PLfuse_readlink,
getdir: _PLfuse_getdir,
+#if 0
+readdir: _PLfuse_readdir,
+#endif
mknod: _PLfuse_mknod,
mkdir: _PLfuse_mkdir,
unlink: _PLfuse_unlink,
MODULE = Fuse PACKAGE = Fuse
PROTOTYPES: DISABLE
+SV*
+fuse_get_context()
+ PREINIT:
+ struct fuse_context *fc;
+ CODE:
+ 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);
+ RETVAL = newRV_noinc((SV*)hash);
+ } else {
+ XSRETURN_UNDEF;
+ }
+ OUTPUT:
+ RETVAL
+
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};
- int i, fd, varnum = 0, debug, threaded, have_mnt;
+ int i, fd, debug, threaded;
char *mountpoint;
char *mountopts;
- STRLEN n_a;
- STRLEN l;
+ char *fuseopts = NULL;
+ struct fuse_args margs = FUSE_ARGS_INIT(0, NULL);
+ struct fuse_args fargs = FUSE_ARGS_INIT(0, NULL);
INIT:
- if(items != 29) {
+ if(items != 30) {
fprintf(stderr,"Perl<->C inconsistency or internal error\n");
XSRETURN_UNDEF;
}
threaded = SvIV(ST(1));
if(threaded) {
#ifdef FUSE_USE_ITHREADS
- master_interp = PERL_GET_INTERP;
+ master_interp = PERL_GET_CONTEXT;
#else
fprintf(stderr,"FUSE warning: Your script has requested multithreaded "
"mode, but your perl was not built with -Dusethreads. "
}
mountpoint = SvPV_nolen(ST(2));
mountopts = SvPV_nolen(ST(3));
+ if (SvCUR(ST(4))) fuseopts = SvPV_nolen(ST(4));
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;
_PLfuse_callbacks[i] = var;
} else
if(SvOK(var)) {
- croak("invalid callback passed to perl_fuse_main "
+ croak("invalid callback (%i) passed to perl_fuse_main "
"(%s is not a string, code ref, or undef).\n",
i+4,SvPVbyte_nolen(var));
}
}
- /* FIXME: need to pass fusermount arguments */
- fd = fuse_mount(mountpoint,mountopts);
+ /*
+ * 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 &&
+ (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);
+ croak("out of memory\n");
+ }
+ if (fuse_opt_add_arg(&fargs, "") == -1) {
+ fuse_opt_free_args(&fargs);
+ croak("out of memory\n");
+ }
+ if (fuseopts &&
+ (fuse_opt_add_arg(&fargs, "-o") == -1 ||
+ fuse_opt_add_arg(&fargs, fuseopts) == -1)) {
+ fuse_opt_free_args(&fargs);
+ croak("out of memory\n");
+ }
+ if (debug && (fuse_opt_add_arg(&fargs, "-d") == -1)) {
+ fuse_opt_free_args(&fargs);
+ croak("out of memory\n");
+ }
+
+ fd = fuse_mount(mountpoint,&margs);
+ fuse_opt_free_args(&margs);
if(fd < 0)
- croak("could not mount fuse filesystem!");
+ croak("could not mount fuse filesystem!\n");
+
if(threaded) {
- fuse_loop_mt(fuse_new(fd,debug ? "debug" : NULL,&fops));
+ fuse_loop_mt(fuse_new(fd,&fargs,&fops,sizeof(fops)));
} else
- fuse_loop(fuse_new(fd,debug ? "debug" : NULL,&fops));
+ fuse_loop(fuse_new(fd,&fargs,&fops,sizeof(fops)));
+ fuse_opt_free_args(&fargs);
projects / perl-fuse.git / blobdiff