/*
* call-seq:
* lmc.clear -> Qnil
*
* Clears content of hashtable.
*/
static mrb_value Cache__clear(mrb_state *mrb, mrb_value self)
{
local_memcache_t *lmc = get_Cache(mrb, self);
if (!local_memcache_clear(lmc))
rb_lmc_raise_exception(mrb, &lmc->error);
return mrb_nil_value();
}
/* :nodoc: */
static mrb_value Cache_init(mrb_state *mrb, mrb_value self)
{
mrb_value o;
mrb_get_args(mrb, "o", &o);
lmc_check_dict(mrb, o);
lmc_error_t e;
rb_lmc_handle_t *h;
local_memcache_t *l = local_memcache_create(rstring_ptr_null(mrb_hash_get(mrb, o, lmc_rb_sym_namespace(mrb))),
rstring_ptr_null(mrb_hash_get(mrb, o, lmc_rb_sym_filename(mrb))),
double_value(mrb, mrb_hash_get(mrb, o, lmc_rb_sym_size_mb(mrb))),
size_t_value(mrb_hash_get(mrb, o, lmc_rb_sym_min_alloc_size(mrb))), &e);
if (!l)
rb_lmc_raise_exception(mrb, &e);
h = (rb_lmc_handle_t *)DATA_PTR(self);
if (h) {
mrb_free(mrb, h);
}
DATA_TYPE(self) = &lmc_cache_type;
DATA_PTR(self) = NULL;
h = (rb_lmc_handle_t *)mrb_malloc(mrb, sizeof(rb_lmc_handle_t));
if (!h) {
mrb_raise(mrb, E_RUNTIME_ERROR, "memory allocation error");
}
h->lmc = l;
h->open = 1;
DATA_PTR(self) = h;
return self;
}
/*
* call-seq:
* lmc.close() -> Qnil
*
* Releases hashtable.
*/
static mrb_value Cache__close(mrb_state *mrb, mrb_value self)
{
lmc_error_t e;
rb_lmc_handle_t *h = DATA_PTR(self);
if (!local_memcache_free(rb_lmc_check_handle_access(mrb, h), &e))
rb_lmc_raise_exception(mrb, &e);
h->open = 0;
return mrb_nil_value();
}
/*
* call-seq:
* lmc.close() -> Qnil
*
* Releases hashtable.
*/
static VALUE LocalMemCache__close(VALUE obj) {
lmc_error_t e;
rb_lmc_handle_t *h;
Data_Get_Struct(obj, rb_lmc_handle_t, h);
if (!local_memcache_free(rb_lmc_check_handle_access(h), &e))
rb_lmc_raise_exception(&e);
h->open = 0;
return Qnil;
}
/*
* call-seq:
* lmc.set(key, value) -> Qnil
* lmc[key]=value -> Qnil
*
* Set value for key in hashtable. Value and key will be converted to
* string.
*/
static VALUE LocalMemCache__set(VALUE obj, VALUE key, VALUE value) {
local_memcache_t *lmc = get_LocalMemCache(obj);
lmc_rb_str_d_t k, v;
rstring_acquire(key, &k);
rstring_acquire(value, &v);
if (!local_memcache_set(lmc, k.cstr, k.len, v.cstr, v.len)) {
rb_lmc_raise_exception(&lmc->error);
}
return Qnil;
}
/*
* call-seq: LocalMemCache.check(*args)
*
* Tries to repair a corrupt namespace. Usually one doesn't call this method
* directly, it's invoked automatically when operations time out.
*
* valid options are
* [:namespace]
* [:filename]
*
* The memory pool must be specified by either setting the :filename or
* :namespace option.
*/
static VALUE LocalMemCache__check(VALUE klass, VALUE o) {
lmc_check_dict(o);
lmc_error_t e;
if (!local_memcache_check_namespace(
rstring_ptr_null(rb_hash_aref(o, lmc_rb_sym_namespace)),
rstring_ptr_null(rb_hash_aref(o, lmc_rb_sym_filename)),
&e)) {
rb_lmc_raise_exception(&e);
}
return Qnil;
}
/*
* call-seq: Cache.drop(*args)
*
* Deletes a memory pool. If the :force option is set, locked semaphores are
* removed as well.
*
* WARNING: Do only call this method with the :force option if you are sure
* that you really want to remove this memory pool and no more processes are
* still using it.
*
* If you delete a pool and other processes still have handles open on it, the
* status of these handles becomes undefined. There's no way for a process to
* know when a handle is not valid anymore, so only delete a memory pool if
* you are sure that all handles are closed.
*
* valid options for drop are
* [:namespace]
* [:filename]
* [:force]
*
* The memory pool must be specified by either setting the :filename or
* :namespace option. The default for :force is false.
*/
static mrb_value Cache__drop(mrb_state *mrb, mrb_value self)
{
mrb_value o;
mrb_get_args(mrb, "o", &o);
lmc_check_dict(mrb, o);
lmc_error_t e;
if (!local_memcache_drop_namespace(rstring_ptr_null(mrb_hash_get(mrb, o, lmc_rb_sym_namespace(mrb))),
rstring_ptr_null(mrb_hash_get(mrb, o, lmc_rb_sym_filename(mrb))),
bool_value(mrb_hash_get(mrb, o, lmc_rb_sym_force(mrb))), &e)) {
rb_lmc_raise_exception(mrb, &e);
}
return mrb_nil_value();
}
/* :nodoc: */
static VALUE LocalMemCache__new2(VALUE klass, VALUE o) {
lmc_check_dict(o);
lmc_error_t e;
local_memcache_t *l = local_memcache_create(
rstring_ptr_null(rb_hash_aref(o, lmc_rb_sym_namespace)),
rstring_ptr_null(rb_hash_aref(o, lmc_rb_sym_filename)),
double_value(rb_hash_aref(o, lmc_rb_sym_size_mb)),
long_value(rb_hash_aref(o, lmc_rb_sym_min_alloc_size)), &e);
if (!l) rb_lmc_raise_exception(&e);
rb_lmc_handle_t *h = calloc(1, sizeof(rb_lmc_handle_t));
if (!h) rb_raise(rb_eRuntimeError, "memory allocation error");
h->lmc = l;
h->open = 1;
return Data_Wrap_Struct(klass, NULL, rb_lmc_free_handle, h);
}
/* :nodoc: */
static void rb_lmc_cache_destructor(mrb_state *mrb, void *p)
{
rb_lmc_handle_t *h;
lmc_error_t e;
h = (rb_lmc_handle_t *)p;
if (!h || (h->open == 0) || !h->lmc)
return;
if (!local_memcache_free(h->lmc, &e)) {
mrb_free(mrb, p);
rb_lmc_raise_exception(mrb, &e);
return;
}
mrb_free(mrb, p);
}
/*
* call-seq:
* lmc.set(key, value) -> Qnil
* lmc[key]=value -> Qnil
*
* Set value for key in hashtable. Value and key will be converted to
* string.
*/
static mrb_value Cache__set(mrb_state *mrb, mrb_value self)
{
local_memcache_t *lmc = get_Cache(mrb, self);
mrb_value key, value;
mrb_cache_iovec_t k, v;
mrb_get_args(mrb, "oo", &key, &value);
if (mrb_type(key) != MRB_TT_STRING || mrb_type(value) != MRB_TT_STRING) {
mrb_raise(mrb, E_TYPE_ERROR, "both key and value must be STRING");
}
mrb_cache_str_to_iovec(mrb, key, &k);
mrb_cache_str_to_iovec(mrb, value, &v);
if (!local_memcache_set(lmc, k.base, k.len, v.base, v.len)) {
rb_lmc_raise_exception(mrb, &lmc->error);
}
return mrb_nil_value();
}
/*
* call-seq:
* lmc.clear -> Qnil
*
* Clears content of hashtable.
*/
static VALUE LocalMemCache__clear(VALUE obj) {
local_memcache_t *lmc = get_LocalMemCache(obj);
if (!local_memcache_clear(lmc)) rb_lmc_raise_exception(&lmc->error);
return Qnil;
}