//
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// Copyright 2018 Staysail Systems, Inc. <info@staysail.tech>
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// Copyright 2018 Capitar IT Group BV <info@capitar.com>
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//
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// This software is supplied under the terms of the MIT License, a
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// copy of which should be located in the distribution where this
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// file was obtained (LICENSE.txt). A copy of the license may also be
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// found online at https://opensource.org/licenses/MIT.
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//
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#include "core/nng_impl.h"
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int
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nni_file_put(const char *name, const void *data, size_t sz)
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{
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return (nni_plat_file_put(name, data, sz));
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}
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int
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nni_file_get(const char *name, void **datap, size_t *szp)
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{
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return (nni_plat_file_get(name, datap, szp));
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}
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int
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nni_file_delete(const char *name)
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{
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return (nni_plat_file_delete(name));
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}
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bool
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nni_file_is_file(const char *name)
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{
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int ft;
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if ((nni_file_type(name, &ft) == 0) && (ft == NNI_FILE_TYPE_FILE)) {
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return (true);
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}
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return (false);
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}
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bool
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nni_file_is_dir(const char *name)
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{
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int ft;
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if ((nni_file_type(name, &ft) == 0) && (ft == NNI_FILE_TYPE_DIR)) {
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return (true);
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}
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return (false);
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}
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struct walkdata {
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nni_file_walker fn;
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void * arg;
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};
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static int
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plat_walker(const char *name, void *arg)
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{
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struct walkdata *w = arg;
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int rv;
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rv = w->fn(name, w->arg);
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switch (rv) {
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case NNI_FILE_WALK_CONTINUE:
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return (NNI_PLAT_FILE_WALK_CONTINUE);
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case NNI_FILE_WALK_STOP:
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return (NNI_PLAT_FILE_WALK_STOP);
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case NNI_FILE_WALK_PRUNE_CHILD:
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return (NNI_PLAT_FILE_WALK_PRUNE_CHILD);
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case NNI_FILE_WALK_PRUNE_SIB:
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return (NNI_PLAT_FILE_WALK_PRUNE_SIB);
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}
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// We treat any other value as a stop condition. The program
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// is returning something invalid.
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return (NNI_PLAT_FILE_WALK_STOP);
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}
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int
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nni_file_walk(const char *name, nni_file_walker walker, void *arg, int flags)
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{
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struct walkdata w;
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int wflags = 0;
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w.fn = walker;
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w.arg = arg;
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if (flags & NNI_FILE_WALK_FILES_ONLY) {
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wflags |= NNI_PLAT_FILE_WALK_FILES_ONLY;
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}
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if (flags & NNI_FILE_WALK_SHALLOW) {
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wflags |= NNI_PLAT_FILE_WALK_SHALLOW;
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}
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return (nni_plat_file_walk(name, plat_walker, &w, wflags));
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}
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int
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nni_file_type(const char *name, int *ftype)
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{
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int rv;
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int t;
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if ((rv = nni_plat_file_type(name, &t)) != 0) {
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return (rv);
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}
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switch (t) {
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case NNI_PLAT_FILE_TYPE_FILE:
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*ftype = NNI_FILE_TYPE_FILE;
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break;
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case NNI_PLAT_FILE_TYPE_DIR:
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*ftype = NNI_FILE_TYPE_DIR;
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break;
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default:
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*ftype = NNI_FILE_TYPE_OTHER;
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break;
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}
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return (0);
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}
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char *
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nni_file_join(const char *dir, const char *file)
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{
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return (nni_plat_join_dir(dir, file));
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}
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const char *
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nni_file_basename(const char *path)
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{
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return (nni_plat_file_basename(path));
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}
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struct nni_file_lockh {
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nni_plat_flock lk;
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};
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int
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nni_file_lock(const char *path, nni_file_lockh **hp)
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{
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nni_file_lockh *h;
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int rv;
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if ((h = NNI_ALLOC_STRUCT(h)) == NULL) {
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return (NNG_ENOMEM);
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}
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rv = nni_plat_file_lock(path, &h->lk);
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if (rv != 0) {
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NNI_FREE_STRUCT(h);
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return (rv);
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}
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*hp = h;
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return (0);
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}
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void
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nni_file_unlock(nni_file_lockh *h)
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{
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nni_plat_file_unlock(&h->lk);
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NNI_FREE_STRUCT(h);
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}
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