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[njs] Modules: added js_shared_dict_zone support in QuickJS engine.

Anonymous User
October 30, 2024 07:56PM
details: https://github.com/nginx/njs/commit/352c2e594e57d2bce11f7e2a773dcab417182ef1
branches: master
commit: 352c2e594e57d2bce11f7e2a773dcab417182ef1
user: Dmitry Volyntsev <xeioex@nginx.com>
date: Thu, 24 Oct 2024 19:00:41 -0700
description:
Modules: added js_shared_dict_zone support in QuickJS engine.


---
nginx/ngx_http_js_module.c | 1 +
nginx/ngx_js.h | 4 +
nginx/ngx_js_shared_dict.c | 1312 +++++++++++++++++++++++++++++++++++++++
nginx/t/js_shared_dict.t | 39 +-
nginx/t/stream_js_shared_dict.t | 2 -
5 files changed, 1352 insertions(+), 6 deletions(-)

diff --git a/nginx/ngx_http_js_module.c b/nginx/ngx_http_js_module.c
index 06429241..3e43ac7d 100644
--- a/nginx/ngx_http_js_module.c
+++ b/nginx/ngx_http_js_module.c
@@ -1136,6 +1136,7 @@ static JSClassDef ngx_http_qjs_headers_out_class = {

qjs_module_t *njs_http_qjs_addon_modules[] = {
&ngx_qjs_ngx_module,
+ &ngx_qjs_ngx_shared_dict_module,
/*
* Shared addons should be in the same order and the same positions
* in all nginx modules.
diff --git a/nginx/ngx_js.h b/nginx/ngx_js.h
index 8319dc85..3a51aef0 100644
--- a/nginx/ngx_js.h
+++ b/nginx/ngx_js.h
@@ -60,6 +60,9 @@
#define NGX_QJS_CLASS_ID_STREAM_PERIODIC (NGX_QJS_CLASS_ID_OFFSET + 8)
#define NGX_QJS_CLASS_ID_STREAM_FLAGS (NGX_QJS_CLASS_ID_OFFSET + 9)
#define NGX_QJS_CLASS_ID_STREAM_VARS (NGX_QJS_CLASS_ID_OFFSET + 10)
+#define NGX_QJS_CLASS_ID_SHARED (NGX_QJS_CLASS_ID_OFFSET + 11)
+#define NGX_QJS_CLASS_ID_SHARED_DICT (NGX_QJS_CLASS_ID_OFFSET + 12)
+#define NGX_QJS_CLASS_ID_SHARED_DICT_ERROR (NGX_QJS_CLASS_ID_OFFSET + 13)


typedef struct ngx_js_loc_conf_s ngx_js_loc_conf_t;
@@ -377,6 +380,7 @@ ngx_int_t ngx_qjs_string(ngx_engine_t *e, JSValueConst val, ngx_str_t *str);

extern qjs_module_t qjs_zlib_module;
extern qjs_module_t ngx_qjs_ngx_module;
+extern qjs_module_t ngx_qjs_ngx_shared_dict_module;

#endif

diff --git a/nginx/ngx_js_shared_dict.c b/nginx/ngx_js_shared_dict.c
index 19f6f4bd..e317211e 100644
--- a/nginx/ngx_js_shared_dict.c
+++ b/nginx/ngx_js_shared_dict.c
@@ -113,6 +113,68 @@ static njs_int_t ngx_js_shared_dict_init(njs_vm_t *vm);
static void ngx_js_dict_node_free(ngx_js_dict_t *dict,
ngx_js_dict_node_t *node);

+#if (NJS_HAVE_QUICKJS)
+static int ngx_qjs_shared_own_property(JSContext *cx,
+ JSPropertyDescriptor *pdesc, JSValueConst obj, JSAtom prop);
+static int ngx_qjs_shared_own_property_names(JSContext *ctx,
+ JSPropertyEnum **ptab, uint32_t *plen, JSValueConst obj);
+
+static JSValue ngx_qjs_ext_ngx_shared(JSContext *cx, JSValueConst this_val);
+static JSValue ngx_qjs_ext_shared_dict_capacity(JSContext *cx,
+ JSValueConst this_val);
+static JSValue ngx_qjs_ext_shared_dict_clear(JSContext *cx,
+ JSValueConst this_val, int argc, JSValueConst *argv);
+static JSValue ngx_qjs_ext_shared_dict_delete(JSContext *cx,
+ JSValueConst this_val, int argc, JSValueConst *argv);
+static JSValue ngx_qjs_ext_shared_dict_free_space(JSContext *cx,
+ JSValueConst this_val, int argc, JSValueConst *argv);
+static JSValue ngx_qjs_ext_shared_dict_get(JSContext *cx, JSValueConst this_val,
+ int argc, JSValueConst *argv);
+static JSValue ngx_qjs_ext_shared_dict_has(JSContext *cx, JSValueConst this_val,
+ int argc, JSValueConst *argv);
+static JSValue ngx_qjs_ext_shared_dict_incr(JSContext *cx,
+ JSValueConst this_val, int argc, JSValueConst *argv);
+static JSValue ngx_qjs_ext_shared_dict_items(JSContext *cx,
+ JSValueConst this_val, int argc, JSValueConst *argv);
+static JSValue ngx_qjs_ext_shared_dict_keys(JSContext *cx,
+ JSValueConst this_val, int argc, JSValueConst *argv);
+static JSValue ngx_qjs_ext_shared_dict_name(JSContext *cx,
+ JSValueConst this_val);
+static JSValue ngx_qjs_ext_shared_dict_pop(JSContext *cx, JSValueConst this_val,
+ int argc, JSValueConst *argv);
+static JSValue ngx_qjs_ext_shared_dict_set(JSContext *cx, JSValueConst this_val,
+ int argc, JSValueConst *argv, int flags);
+static JSValue ngx_qjs_ext_shared_dict_size(JSContext *cx,
+ JSValueConst this_val, int argc, JSValueConst *argv);
+static JSValue ngx_qjs_ext_shared_dict_tag(JSContext *cx,
+ JSValueConst this_val);
+static JSValue ngx_qjs_ext_shared_dict_type(JSContext *cx,
+ JSValueConst this_val);
+
+static JSValue ngx_qjs_dict_copy_value_locked(JSContext *cx,
+ ngx_js_dict_t *dict, ngx_js_dict_node_t *node);
+static ngx_js_dict_node_t *ngx_qjs_dict_lookup(ngx_js_dict_t *dict,
+ ngx_str_t *key);
+static ngx_int_t ngx_qjs_dict_add(JSContext *cx, ngx_js_dict_t *dict,
+ ngx_str_t *key, JSValue value, ngx_msec_t timeout, ngx_msec_t now);
+static JSValue ngx_qjs_dict_delete(JSContext *cx, ngx_js_dict_t *dict,
+ ngx_str_t *key, int retval);
+static JSValue ngx_qjs_dict_get(JSContext *cx, ngx_js_dict_t *dict,
+ ngx_str_t *key);
+static JSValue ngx_qjs_dict_incr(JSContext *cx, ngx_js_dict_t *dict,
+ ngx_str_t *key, double delta, double init, ngx_msec_t timeout);
+static JSValue ngx_qjs_dict_set(JSContext *cx, ngx_js_dict_t *dict,
+ ngx_str_t *key, JSValue value, ngx_msec_t timeout, unsigned flags);
+static ngx_int_t ngx_qjs_dict_update(JSContext *cx, ngx_js_dict_t *dict,
+ ngx_js_dict_node_t *node, JSValue value, ngx_msec_t timeout,
+ ngx_msec_t now);
+
+static JSValue ngx_qjs_throw_shared_memory_error(JSContext *cx);
+
+static JSModuleDef *ngx_qjs_ngx_shared_dict_init(JSContext *cx,
+ const char *name);
+#endif
+

static njs_external_t ngx_js_ext_shared_dict[] = {

@@ -356,6 +418,62 @@ njs_module_t ngx_js_shared_dict_module = {
};


+#if (NJS_HAVE_QUICKJS)
+
+static const JSCFunctionListEntry ngx_qjs_ext_ngx[] = {
+ JS_CGETSET_DEF("shared", ngx_qjs_ext_ngx_shared, NULL),
+};
+
+static const JSCFunctionListEntry ngx_qjs_ext_shared_dict[] = {
+ JS_CGETSET_DEF("[Symbol.toStringTag]", ngx_qjs_ext_shared_dict_tag, NULL),
+ JS_CFUNC_MAGIC_DEF("add", 3, ngx_qjs_ext_shared_dict_set,
+ NGX_JS_DICT_FLAG_MUST_NOT_EXIST),
+ JS_CGETSET_DEF("capacity", ngx_qjs_ext_shared_dict_capacity, NULL),
+ JS_CFUNC_DEF("clear", 0, ngx_qjs_ext_shared_dict_clear),
+ JS_CFUNC_DEF("delete", 1, ngx_qjs_ext_shared_dict_delete),
+ JS_CFUNC_DEF("freeSpace", 0, ngx_qjs_ext_shared_dict_free_space),
+ JS_CFUNC_DEF("get", 1, ngx_qjs_ext_shared_dict_get),
+ JS_CFUNC_DEF("has", 1, ngx_qjs_ext_shared_dict_has),
+ JS_CFUNC_DEF("incr", 3, ngx_qjs_ext_shared_dict_incr),
+ JS_CFUNC_DEF("items", 0, ngx_qjs_ext_shared_dict_items),
+ JS_CFUNC_DEF("keys", 0, ngx_qjs_ext_shared_dict_keys),
+ JS_CGETSET_DEF("name", ngx_qjs_ext_shared_dict_name, NULL),
+ JS_CFUNC_DEF("pop", 1, ngx_qjs_ext_shared_dict_pop),
+ JS_CFUNC_MAGIC_DEF("replace", 3, ngx_qjs_ext_shared_dict_set,
+ NGX_JS_DICT_FLAG_MUST_EXIST),
+ JS_CFUNC_MAGIC_DEF("set", 3, ngx_qjs_ext_shared_dict_set, 0),
+ JS_CFUNC_DEF("size", 0, ngx_qjs_ext_shared_dict_size),
+ JS_CGETSET_DEF("type", ngx_qjs_ext_shared_dict_type, NULL),
+};
+
+static const JSCFunctionListEntry ngx_qjs_ext_shared_dict_error[] = {
+ JS_PROP_STRING_DEF("name", "SharedMemoryError",
+ JS_PROP_WRITABLE | JS_PROP_CONFIGURABLE),
+ JS_PROP_STRING_DEF("message", "", JS_PROP_WRITABLE | JS_PROP_CONFIGURABLE),
+};
+
+static JSClassDef ngx_qjs_shared_dict_class = {
+ "SharedDict",
+ .finalizer = NULL,
+};
+
+static JSClassDef ngx_qjs_shared_class = {
+ "Shared",
+ .finalizer = NULL,
+ .exotic = & (JSClassExoticMethods) {
+ .get_own_property = ngx_qjs_shared_own_property,
+ .get_own_property_names = ngx_qjs_shared_own_property_names,
+ },
+};
+
+qjs_module_t ngx_qjs_ngx_shared_dict_module = {
+ .name = "shared_dict",
+ .init = ngx_qjs_ngx_shared_dict_init,
+};
+
+#endif
+
+
njs_int_t
njs_js_ext_global_shared_prop(njs_vm_t *vm, njs_object_prop_t *prop,
njs_value_t *value, njs_value_t *setval, njs_value_t *retval)
@@ -1786,3 +1904,1197 @@ ngx_js_shared_dict_init(njs_vm_t *vm)

return NJS_OK;
}
+
+
+#if (NJS_HAVE_QUICKJS)
+
+static int
+ngx_qjs_shared_own_property(JSContext *cx, JSPropertyDescriptor *pdesc,
+ JSValueConst obj, JSAtom prop)
+{
+ int ret;
+ ngx_str_t name;
+ ngx_js_dict_t *dict;
+ ngx_shm_zone_t *shm_zone;
+ ngx_js_main_conf_t *conf;
+
+ name.data = (u_char *) JS_AtomToCString(cx, prop);
+ if (name.data == NULL) {
+ return -1;
+ }
+
+ name.len = ngx_strlen(name.data);
+
+ ret = 0;
+ conf = ngx_qjs_main_conf(cx);
+
+ for (dict = conf->dicts; dict != NULL; dict = dict->next) {
+ shm_zone = dict->shm_zone;
+
+ if (shm_zone->shm.name.len == name.len
+ && ngx_strncmp(shm_zone->shm.name.data, name.data, name.len)
+ == 0)
+ {
+ if (pdesc != NULL) {
+ pdesc->flags = JS_PROP_ENUMERABLE;
+ pdesc->getter = JS_UNDEFINED;
+ pdesc->setter = JS_UNDEFINED;
+ pdesc->value = JS_NewObjectClass(cx,
+ NGX_QJS_CLASS_ID_SHARED_DICT);
+ if (JS_IsException(pdesc->value)) {
+ ret = -1;
+ break;
+ }
+
+ JS_SetOpaque(pdesc->value, shm_zone);
+ }
+
+ ret = 1;
+ break;
+ }
+ }
+
+ JS_FreeCString(cx, (char *) name.data);
+
+ return ret;
+}
+
+
+static int
+ngx_qjs_shared_own_property_names(JSContext *cx, JSPropertyEnum **ptab,
+ uint32_t *plen, JSValueConst obj)
+{
+ int ret;
+ JSAtom key;
+ JSValue keys;
+ ngx_js_dict_t *dict;
+ ngx_shm_zone_t *shm_zone;
+ ngx_js_main_conf_t *conf;
+
+ keys = JS_NewObject(cx);
+ if (JS_IsException(keys)) {
+ return -1;
+ }
+
+ conf = ngx_qjs_main_conf(cx);
+
+ for (dict = conf->dicts; dict != NULL; dict = dict->next) {
+ shm_zone = dict->shm_zone;
+
+ key = JS_NewAtomLen(cx, (const char *) shm_zone->shm.name.data,
+ shm_zone->shm.name.len);
+ if (key == JS_ATOM_NULL) {
+ return -1;
+ }
+
+ if (JS_DefinePropertyValue(cx, keys, key, JS_UNDEFINED,
+ JS_PROP_ENUMERABLE) < 0)
+ {
+ JS_FreeAtom(cx, key);
+ return -1;
+ }
+
+ JS_FreeAtom(cx, key);
+ }
+
+ ret = JS_GetOwnPropertyNames(cx, ptab, plen, keys, JS_GPN_STRING_MASK);
+
+ JS_FreeValue(cx, keys);
+
+ return ret;
+}
+
+
+static JSValue
+ngx_qjs_ext_ngx_shared(JSContext *cx, JSValueConst this_val)
+{
+ return JS_NewObjectProtoClass(cx, JS_NULL, NGX_QJS_CLASS_ID_SHARED);
+}
+
+
+static JSValue
+ngx_qjs_ext_shared_dict_capacity(JSContext *cx, JSValueConst this_val)
+{
+ ngx_shm_zone_t *shm_zone;
+
+ shm_zone = JS_GetOpaque(this_val, NGX_QJS_CLASS_ID_SHARED_DICT);
+ if (shm_zone == NULL) {
+ return JS_UNDEFINED;
+ }
+
+ return JS_NewInt32(cx, shm_zone->shm.size);
+}
+
+
+static JSValue
+ngx_qjs_ext_shared_dict_clear(JSContext *cx, JSValueConst this_val,
+ int argc, JSValueConst *argv)
+{
+ ngx_rbtree_t *rbtree;
+ ngx_js_dict_t *dict;
+ ngx_shm_zone_t *shm_zone;
+ ngx_rbtree_node_t *rn, *next;
+
+ shm_zone = JS_GetOpaque(this_val, NGX_QJS_CLASS_ID_SHARED_DICT);
+ if (shm_zone == NULL) {
+ return JS_ThrowTypeError(cx, "\"this\" is not a shared dict");
+ }
+
+ dict = shm_zone->data;
+
+ ngx_rwlock_wlock(&dict->sh->rwlock);
+
+ if (dict->timeout) {
+ ngx_js_dict_evict(dict, 0x7fffffff /* INT_MAX */);
+
+ } else {
+ rbtree = &dict->sh->rbtree;
+
+ if (rbtree->root == rbtree->sentinel) {
+ goto done;
+ }
+
+ for (rn = ngx_rbtree_min(rbtree->root, rbtree->sentinel);
+ rn != NULL;
+ rn = next)
+ {
+ next = ngx_rbtree_next(rbtree, rn);
+
+ ngx_rbtree_delete(rbtree, rn);
+
+ ngx_js_dict_node_free(dict, (ngx_js_dict_node_t *) rn);
+ }
+ }
+
+done:
+
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+
+ return JS_UNDEFINED;
+}
+
+
+static JSValue
+ngx_qjs_ext_shared_dict_delete(JSContext *cx, JSValueConst this_val,
+ int argc, JSValueConst *argv)
+{
+ ngx_str_t key;
+ ngx_js_ctx_t *ctx;
+ ngx_shm_zone_t *shm_zone;
+
+ shm_zone = JS_GetOpaque(this_val, NGX_QJS_CLASS_ID_SHARED_DICT);
+ if (shm_zone == NULL) {
+ return JS_ThrowTypeError(cx, "\"this\" is not a shared dict");
+ }
+
+ ctx = ngx_qjs_external_ctx(cx, JS_GetContextOpaque(cx));
+
+ if (ngx_qjs_string(ctx->engine, argv[0], &key) != NGX_OK) {
+ return JS_EXCEPTION;
+ }
+
+ return ngx_qjs_dict_delete(cx, shm_zone->data, &key, 0);
+}
+
+
+static JSValue
+ngx_qjs_ext_shared_dict_free_space(JSContext *cx, JSValueConst this_val,
+ int argc, JSValueConst *argv)
+{
+ size_t bytes;
+ ngx_js_dict_t *dict;
+ ngx_shm_zone_t *shm_zone;
+
+ shm_zone = JS_GetOpaque(this_val, NGX_QJS_CLASS_ID_SHARED_DICT);
+ if (shm_zone == NULL) {
+ return JS_ThrowTypeError(cx, "\"this\" is not a shared dict");
+ }
+
+ dict = shm_zone->data;
+
+ ngx_rwlock_rlock(&dict->sh->rwlock);
+ bytes = dict->shpool->pfree * ngx_pagesize;
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+
+ return JS_NewInt32(cx, bytes);
+}
+
+
+static JSValue
+ngx_qjs_ext_shared_dict_get(JSContext *cx, JSValueConst this_val,
+ int argc, JSValueConst *argv)
+{
+ ngx_str_t key;
+ ngx_js_ctx_t *ctx;
+ ngx_shm_zone_t *shm_zone;
+
+ shm_zone = JS_GetOpaque(this_val, NGX_QJS_CLASS_ID_SHARED_DICT);
+ if (shm_zone == NULL) {
+ return JS_ThrowTypeError(cx, "\"this\" is not a shared dict");
+ }
+
+ ctx = ngx_qjs_external_ctx(cx, JS_GetContextOpaque(cx));
+
+ if (ngx_qjs_string(ctx->engine, argv[0], &key) != NGX_OK) {
+ return JS_EXCEPTION;
+ }
+
+ return ngx_qjs_dict_get(cx, shm_zone->data, &key);
+}
+
+
+static JSValue
+ngx_qjs_ext_shared_dict_has(JSContext *cx, JSValueConst this_val,
+ int argc, JSValueConst *argv)
+{
+ ngx_str_t key;
+ ngx_msec_t now;
+ ngx_time_t *tp;
+ ngx_js_ctx_t *ctx;
+ ngx_js_dict_t *dict;
+ ngx_shm_zone_t *shm_zone;
+ ngx_js_dict_node_t *node;
+
+ shm_zone = JS_GetOpaque(this_val, NGX_QJS_CLASS_ID_SHARED_DICT);
+ if (shm_zone == NULL) {
+ return JS_ThrowTypeError(cx, "\"this\" is not a shared dict");
+ }
+
+ ctx = ngx_qjs_external_ctx(cx, JS_GetContextOpaque(cx));
+
+ if (ngx_qjs_string(ctx->engine, argv[0], &key) != NGX_OK) {
+ return JS_EXCEPTION;
+ }
+
+ dict = shm_zone->data;
+
+ ngx_rwlock_rlock(&dict->sh->rwlock);
+
+ node = ngx_qjs_dict_lookup(dict, &key);
+
+ if (node != NULL && dict->timeout) {
+ tp = ngx_timeofday();
+ now = tp->sec * 1000 + tp->msec;
+
+ if (now >= node->expire.key) {
+ node = NULL;
+ }
+ }
+
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+
+ return JS_NewBool(cx, node != NULL);
+}
+
+
+static JSValue
+ngx_qjs_ext_shared_dict_incr(JSContext *cx, JSValueConst this_val,
+ int argc, JSValueConst *argv)
+{
+ double delta, init;
+ uint32_t timeout;
+ ngx_str_t key;
+ ngx_js_ctx_t *ctx;
+ ngx_js_dict_t *dict;
+ ngx_shm_zone_t *shm_zone;
+
+ shm_zone = JS_GetOpaque(this_val, NGX_QJS_CLASS_ID_SHARED_DICT);
+ if (shm_zone == NULL) {
+ return JS_ThrowTypeError(cx, "\"this\" is not a shared dict");
+ }
+
+ dict = shm_zone->data;
+
+ if (dict->type != NGX_JS_DICT_TYPE_NUMBER) {
+ return JS_ThrowTypeError(cx, "shared dict is not a number dict");
+ }
+
+ ctx = ngx_qjs_external_ctx(cx, JS_GetContextOpaque(cx));
+
+ if (ngx_qjs_string(ctx->engine, argv[0], &key) != NGX_OK) {
+ return JS_EXCEPTION;
+ }
+
+ if (JS_ToFloat64(cx, &delta, argv[1]) < 0) {
+ return JS_EXCEPTION;
+ }
+
+ if (JS_ToFloat64(cx, &init, argv[2]) < 0) {
+ return JS_EXCEPTION;
+ }
+
+ if (argc > 3) {
+ if (JS_ToUint32(cx, &timeout, argv[3]) < 0) {
+ return JS_EXCEPTION;
+ }
+
+ if (!dict->timeout) {
+ return JS_ThrowTypeError(cx,
+ "shared dict must be declared with timeout");
+ }
+
+ if (timeout < 1) {
+ return JS_ThrowRangeError(cx,
+ "timeout must be greater than or equal to 1");
+ }
+
+ } else {
+ timeout = dict->timeout;
+ }
+
+ return ngx_qjs_dict_incr(cx, dict, &key, delta, init, timeout);
+}
+
+
+static JSValue
+ngx_qjs_ext_shared_dict_items(JSContext *cx, JSValueConst this_val,
+ int argc, JSValueConst *argv)
+{
+ JSValue arr, kv, v;
+ uint32_t max_count, i;
+ ngx_msec_t now;
+ ngx_time_t *tp;
+ ngx_rbtree_t *rbtree;
+ ngx_js_dict_t *dict;
+ ngx_shm_zone_t *shm_zone;
+ ngx_rbtree_node_t *rn;
+ ngx_js_dict_node_t *node;
+
+ shm_zone = JS_GetOpaque(this_val, NGX_QJS_CLASS_ID_SHARED_DICT);
+ if (shm_zone == NULL) {
+ return JS_ThrowTypeError(cx, "\"this\" is not a shared dict");
+ }
+
+ dict = shm_zone->data;
+
+ max_count = 1024;
+
+ if (argc > 0) {
+ if (JS_ToUint32(cx, &max_count, argv[0]) < 0) {
+ return JS_EXCEPTION;
+ }
+ }
+
+ rbtree = &dict->sh->rbtree;
+
+ ngx_rwlock_rlock(&dict->sh->rwlock);
+
+ if (dict->timeout) {
+ tp = ngx_timeofday();
+ now = tp->sec * 1000 + tp->msec;
+ ngx_js_dict_expire(dict, now);
+ }
+
+ if (rbtree->root == rbtree->sentinel) {
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+ return JS_NewArray(cx);
+ }
+
+ arr = JS_NewArray(cx);
+ if (JS_IsException(arr)) {
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+ return JS_EXCEPTION;
+ }
+
+ i = 0;
+
+ for (rn = ngx_rbtree_min(rbtree->root, rbtree->sentinel);
+ rn != NULL;
+ rn = ngx_rbtree_next(rbtree, rn))
+ {
+ if (max_count-- == 0) {
+ break;
+ }
+
+ node = (ngx_js_dict_node_t *) rn;
+
+ kv = JS_NewArray(cx);
+ if (JS_IsException(kv)) {
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+ JS_FreeValue(cx, arr);
+ return JS_EXCEPTION;
+ }
+
+ v = JS_NewStringLen(cx, (const char *) node->sn.str.data,
+ node->sn.str.len);
+ if (JS_IsException(v)) {
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+ JS_FreeValue(cx, kv);
+ JS_FreeValue(cx, arr);
+ return JS_EXCEPTION;
+ }
+
+ if (JS_DefinePropertyValueUint32(cx, kv, 0, v, JS_PROP_C_W_E) < 0) {
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+ JS_FreeValue(cx, v);
+ JS_FreeValue(cx, kv);
+ JS_FreeValue(cx, arr);
+ return JS_EXCEPTION;
+ }
+
+ v = ngx_qjs_dict_copy_value_locked(cx, dict, node);
+
+ if (JS_DefinePropertyValueUint32(cx, kv, 1, v, JS_PROP_C_W_E) < 0) {
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+ JS_FreeValue(cx, v);
+ JS_FreeValue(cx, kv);
+ JS_FreeValue(cx, arr);
+ return JS_EXCEPTION;
+ }
+
+ if (JS_DefinePropertyValueUint32(cx, arr, i++, kv, JS_PROP_C_W_E) < 0) {
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+ JS_FreeValue(cx, kv);
+ JS_FreeValue(cx, arr);
+ return JS_EXCEPTION;
+ }
+ }
+
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+
+ return arr;
+}
+
+
+static JSValue
+ngx_qjs_ext_shared_dict_keys(JSContext *cx, JSValueConst this_val, int argc,
+ JSValueConst *argv)
+{
+ JSValue arr, key;
+ uint32_t max_count, i;
+ ngx_msec_t now;
+ ngx_time_t *tp;
+ ngx_rbtree_t *rbtree;
+ ngx_js_dict_t *dict;
+ ngx_shm_zone_t *shm_zone;
+ ngx_rbtree_node_t *rn;
+ ngx_js_dict_node_t *node;
+
+ shm_zone = JS_GetOpaque(this_val, NGX_QJS_CLASS_ID_SHARED_DICT);
+ if (shm_zone == NULL) {
+ return JS_ThrowTypeError(cx, "\"this\" is not a shared dict");
+ }
+
+ dict = shm_zone->data;
+
+ max_count = 1024;
+
+ if (argc > 0) {
+ if (JS_ToUint32(cx, &max_count, argv[0]) < 0) {
+ return JS_EXCEPTION;
+ }
+ }
+
+ rbtree = &dict->sh->rbtree;
+
+ ngx_rwlock_rlock(&dict->sh->rwlock);
+
+ if (dict->timeout) {
+ tp = ngx_timeofday();
+ now = tp->sec * 1000 + tp->msec;
+ ngx_js_dict_expire(dict, now);
+ }
+
+ if (rbtree->root == rbtree->sentinel) {
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+ return JS_NewArray(cx);
+ }
+
+ arr = JS_NewArray(cx);
+ if (JS_IsException(arr)) {
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+ return JS_EXCEPTION;
+ }
+
+ i = 0;
+
+ for (rn = ngx_rbtree_min(rbtree->root, rbtree->sentinel);
+ rn != NULL;
+ rn = ngx_rbtree_next(rbtree, rn))
+ {
+ if (max_count-- == 0) {
+ break;
+ }
+
+ node = (ngx_js_dict_node_t *) rn;
+
+ key = JS_NewStringLen(cx, (const char *) node->sn.str.data,
+ node->sn.str.len);
+ if (JS_IsException(key)) {
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+ JS_FreeValue(cx, arr);
+ return JS_EXCEPTION;
+ }
+
+ if (JS_DefinePropertyValueUint32(cx, arr, i++, key,
+ JS_PROP_C_W_E) < 0)
+ {
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+ JS_FreeValue(cx, key);
+ JS_FreeValue(cx, arr);
+ return JS_EXCEPTION;
+ }
+ }
+
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+
+ return arr;
+}
+
+
+static JSValue
+ngx_qjs_ext_shared_dict_name(JSContext *cx, JSValueConst this_val)
+{
+ ngx_shm_zone_t *shm_zone;
+
+ shm_zone = JS_GetOpaque(this_val, NGX_QJS_CLASS_ID_SHARED_DICT);
+ if (shm_zone == NULL) {
+ return JS_UNDEFINED;
+ }
+
+ return JS_NewStringLen(cx, (const char *) shm_zone->shm.name.data,
+ shm_zone->shm.name.len);
+}
+
+
+static JSValue
+ngx_qjs_ext_shared_dict_pop(JSContext *cx, JSValueConst this_val,
+ int argc, JSValueConst *argv)
+{
+ ngx_str_t key;
+ ngx_js_ctx_t *ctx;
+ ngx_shm_zone_t *shm_zone;
+
+ shm_zone = JS_GetOpaque(this_val, NGX_QJS_CLASS_ID_SHARED_DICT);
+ if (shm_zone == NULL) {
+ return JS_ThrowTypeError(cx, "\"this\" is not a shared dict");
+ }
+
+ ctx = ngx_qjs_external_ctx(cx, JS_GetContextOpaque(cx));
+
+ if (ngx_qjs_string(ctx->engine, argv[0], &key) != NGX_OK) {
+ return JS_EXCEPTION;
+ }
+
+ return ngx_qjs_dict_delete(cx, shm_zone->data, &key, 1);
+}
+
+
+static JSValue
+ngx_qjs_ext_shared_dict_set(JSContext *cx, JSValueConst this_val,
+ int argc, JSValueConst *argv, int flags)
+{
+ JSValue ret;
+ uint32_t timeout;
+ ngx_str_t key;
+ ngx_js_ctx_t *ctx;
+ ngx_js_dict_t *dict;
+ ngx_shm_zone_t *shm_zone;
+
+ shm_zone = JS_GetOpaque(this_val, NGX_QJS_CLASS_ID_SHARED_DICT);
+ if (shm_zone == NULL) {
+ return JS_ThrowTypeError(cx, "\"this\" is not a shared dict");
+ }
+
+ ctx = ngx_qjs_external_ctx(cx, JS_GetContextOpaque(cx));
+
+ if (ngx_qjs_string(ctx->engine, argv[0], &key) != NGX_OK) {
+ return JS_EXCEPTION;
+ }
+
+ dict = shm_zone->data;
+
+ if (dict->type == NGX_JS_DICT_TYPE_STRING) {
+ if (!JS_IsString(argv[1])) {
+ return JS_ThrowTypeError(cx, "string value is expected");
+ }
+
+ } else {
+ if (!JS_IsNumber(argv[1])) {
+ return JS_ThrowTypeError(cx, "number value is expected");
+ }
+ }
+
+ if (!JS_IsUndefined(argv[2])) {
+ if (!JS_IsNumber(argv[2])) {
+ return JS_ThrowTypeError(cx, "timeout is not a number");
+ }
+
+ if (!dict->timeout) {
+ return JS_ThrowTypeError(cx,
+ "shared dict must be declared with timeout");
+ }
+
+ if (JS_ToUint32(cx, &timeout, argv[2]) < 0) {
+ return JS_EXCEPTION;
+ }
+
+ if (timeout < 1) {
+ return JS_ThrowTypeError(cx,
+ "timeout must be greater than or equal to 1");
+ }
+
+ } else {
+ timeout = dict->timeout;
+ }
+
+ ret = ngx_qjs_dict_set(cx, shm_zone->data, &key, argv[1], timeout, flags);
+ if (JS_IsException(ret)) {
+ return JS_EXCEPTION;
+ }
+
+ if (flags) {
+ /* add() or replace(). */
+ return ret;
+ }
+
+ return JS_DupValue(cx, this_val);
+}
+
+
+static JSValue
+ngx_qjs_ext_shared_dict_size(JSContext *cx, JSValueConst this_val,
+ int argc, JSValueConst *argv)
+{
+ njs_int_t items;
+ ngx_msec_t now;
+ ngx_time_t *tp;
+ ngx_rbtree_t *rbtree;
+ ngx_js_dict_t *dict;
+ ngx_shm_zone_t *shm_zone;
+ ngx_rbtree_node_t *rn;
+
+ shm_zone = JS_GetOpaque(this_val, NGX_QJS_CLASS_ID_SHARED_DICT);
+ if (shm_zone == NULL) {
+ return JS_ThrowTypeError(cx, "\"this\" is not a shared dict");
+ }
+
+ dict = shm_zone->data;
+
+ ngx_rwlock_rlock(&dict->sh->rwlock);
+
+ if (dict->timeout) {
+ tp = ngx_timeofday();
+ now = tp->sec * 1000 + tp->msec;
+ ngx_js_dict_expire(dict, now);
+ }
+
+ rbtree = &dict->sh->rbtree;
+
+ if (rbtree->root == rbtree->sentinel) {
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+ return JS_NewInt32(cx, 0);
+ }
+
+ items = 0;
+
+ for (rn = ngx_rbtree_min(rbtree->root, rbtree->sentinel);
+ rn != NULL;
+ rn = ngx_rbtree_next(rbtree, rn))
+ {
+ items++;
+ }
+
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+
+ return JS_NewInt32(cx, items);
+}
+
+
+static JSValue
+ngx_qjs_ext_shared_dict_tag(JSContext *cx, JSValueConst this_val)
+{
+ return JS_NewString(cx, "SharedDict");
+}
+
+
+static JSValue
+ngx_qjs_ext_shared_dict_type(JSContext *cx, JSValueConst this_val)
+{
+ ngx_str_t type;
+ ngx_js_dict_t *dict;
+ ngx_shm_zone_t *shm_zone;
+
+ shm_zone = JS_GetOpaque(this_val, NGX_QJS_CLASS_ID_SHARED_DICT);
+ if (shm_zone == NULL) {
+ return JS_UNDEFINED;
+ }
+
+ dict = shm_zone->data;
+
+ switch (dict->type) {
+ case NGX_JS_DICT_TYPE_STRING:
+ ngx_str_set(&type, "string");
+ break;
+
+ default:
+ ngx_str_set(&type, "number");
+ break;
+ }
+
+ return JS_NewStringLen(cx, (const char *) type.data, type.len);
+}
+
+
+static JSValue
+ngx_qjs_dict_copy_value_locked(JSContext *cx, ngx_js_dict_t *dict,
+ ngx_js_dict_node_t *node)
+{
+ if (dict->type == NGX_JS_DICT_TYPE_STRING) {
+ return JS_NewStringLen(cx, (const char *) node->u.value.data,
+ node->u.value.len);
+ }
+
+ /* NGX_JS_DICT_TYPE_NUMBER */
+
+ return JS_NewFloat64(cx, node->u.number);
+}
+
+
+static ngx_js_dict_node_t *
+ngx_qjs_dict_lookup(ngx_js_dict_t *dict, ngx_str_t *key)
+{
+ uint32_t hash;
+ ngx_rbtree_t *rbtree;
+
+ rbtree = &dict->sh->rbtree;
+
+ hash = ngx_crc32_long(key->data, key->len);
+
+ return (ngx_js_dict_node_t *) ngx_str_rbtree_lookup(rbtree, key, hash);
+}
+
+
+static ngx_int_t
+ngx_qjs_dict_add(JSContext *cx, ngx_js_dict_t *dict, ngx_str_t *key,
+ JSValue value, ngx_msec_t timeout, ngx_msec_t now)
+{
+ size_t n;
+ uint32_t hash;
+ ngx_str_t string;
+ ngx_js_dict_node_t *node;
+
+ if (dict->timeout) {
+ ngx_js_dict_expire(dict, now);
+ }
+
+ n = sizeof(ngx_js_dict_node_t) + key->len;
+ hash = ngx_crc32_long(key->data, key->len);
+
+ node = ngx_js_dict_alloc(dict, n);
+ if (node == NULL) {
+ return NGX_ERROR;
+ }
+
+ node->sn.str.data = (u_char *) node + sizeof(ngx_js_dict_node_t);
+
+ if (dict->type == NGX_JS_DICT_TYPE_STRING) {
+ string.data = (u_char *) JS_ToCStringLen(cx, &string.len, value);
+ if (string.data == NULL) {
+ ngx_slab_free_locked(dict->shpool, node);
+ return NGX_ERROR;
+ }
+
+ node->u.value.data = ngx_js_dict_alloc(dict, string.len);
+ if (node->u.value.data == NULL) {
+ ngx_slab_free_locked(dict->shpool, node);
+ JS_FreeCString(cx, (char *) string.data);
+ return NGX_ERROR;
+ }
+
+ ngx_memcpy(node->u.value.data, string.data, string.len);
+ node->u.value.len = string.len;
+
+ JS_FreeCString(cx, (char *) string.data);
+
+ } else {
+ if (JS_ToFloat64(cx, &node->u.number, value) < 0) {
+ ngx_slab_free_locked(dict->shpool, node);
+ return NGX_ERROR;
+ }
+ }
+
+ node->sn.node.key = hash;
+
+ ngx_memcpy(node->sn.str.data, key->data, key->len);
+ node->sn.str.len = key->len;
+
+ ngx_rbtree_insert(&dict->sh->rbtree, &node->sn.node);
+
+ if (dict->timeout) {
+ node->expire.key = now + timeout;
+ ngx_rbtree_insert(&dict->sh->rbtree_expire, &node->expire);
+ }
+
+ return NGX_OK;
+}
+
+
+static JSValue
+ngx_qjs_dict_delete(JSContext *cx, ngx_js_dict_t *dict, ngx_str_t *key,
+ int retval)
+{
+ JSValue ret;
+ ngx_msec_t now;
+ ngx_time_t *tp;
+ ngx_js_dict_node_t *node;
+
+ ngx_rwlock_wlock(&dict->sh->rwlock);
+
+ node = ngx_qjs_dict_lookup(dict, key);
+
+ if (node == NULL) {
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+ return JS_UNDEFINED;
+ }
+
+ if (dict->timeout) {
+ ngx_rbtree_delete(&dict->sh->rbtree_expire, &node->expire);
+ }
+
+ ngx_rbtree_delete(&dict->sh->rbtree, (ngx_rbtree_node_t *) node);
+
+ if (retval) {
+ tp = ngx_timeofday();
+ now = tp->sec * 1000 + tp->msec;
+
+ if (!dict->timeout || now < node->expire.key) {
+ ret = ngx_qjs_dict_copy_value_locked(cx, dict, node);
+
+ } else {
+ ret = JS_UNDEFINED;
+ }
+
+ } else {
+ ret = JS_TRUE;
+ }
+
+ ngx_js_dict_node_free(dict, node);
+
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+
+ return ret;
+}
+
+
+static JSValue
+ngx_qjs_dict_get(JSContext *cx, ngx_js_dict_t *dict, ngx_str_t *key)
+{
+ JSValue ret;
+ ngx_msec_t now;
+ ngx_time_t *tp;
+ ngx_js_dict_node_t *node;
+
+ ngx_rwlock_rlock(&dict->sh->rwlock);
+
+ node = ngx_qjs_dict_lookup(dict, key);
+
+ if (node == NULL) {
+ goto not_found;
+ }
+
+ if (dict->timeout) {
+ tp = ngx_timeofday();
+ now = tp->sec * 1000 + tp->msec;
+
+ if (now >= node->expire.key) {
+ goto not_found;
+ }
+ }
+
+ ret = ngx_qjs_dict_copy_value_locked(cx, dict, node);
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+
+ return ret;
+
+not_found:
+
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+
+ return JS_UNDEFINED;
+}
+
+
+static JSValue
+ngx_qjs_dict_incr(JSContext *cx, ngx_js_dict_t *dict, ngx_str_t *key,
+ double delta, double init, ngx_msec_t timeout)
+{
+ JSValue value;
+ ngx_msec_t now;
+ ngx_time_t *tp;
+ ngx_js_dict_node_t *node;
+
+ tp = ngx_timeofday();
+ now = tp->sec * 1000 + tp->msec;
+
+ ngx_rwlock_wlock(&dict->sh->rwlock);
+
+ node = ngx_qjs_dict_lookup(dict, key);
+
+ if (node == NULL) {
+ value = JS_NewFloat64(cx, init + delta);
+ if (ngx_qjs_dict_add(cx, dict, key, value, timeout, now) != NGX_OK) {
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+ JS_FreeValue(cx, value);
+ return ngx_qjs_throw_shared_memory_error(cx);
+ }
+
+ } else {
+ node->u.number += delta;
+ value = JS_NewFloat64(cx, node->u.number);
+
+ if (dict->timeout) {
+ ngx_rbtree_delete(&dict->sh->rbtree_expire, &node->expire);
+ node->expire.key = now + timeout;
+ ngx_rbtree_insert(&dict->sh->rbtree_expire, &node->expire);
+ }
+ }
+
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+
+ return value;
+}
+
+
+static JSValue
+ngx_qjs_dict_set(JSContext *cx, ngx_js_dict_t *dict, ngx_str_t *key,
+ JSValue value, ngx_msec_t timeout, unsigned flags)
+{
+ ngx_msec_t now;
+ ngx_time_t *tp;
+ ngx_js_dict_node_t *node;
+
+ tp = ngx_timeofday();
+ now = tp->sec * 1000 + tp->msec;
+
+ ngx_rwlock_wlock(&dict->sh->rwlock);
+
+ node = ngx_qjs_dict_lookup(dict, key);
+
+ if (node == NULL) {
+ if (flags & NGX_JS_DICT_FLAG_MUST_EXIST) {
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+ return JS_FALSE;
+ }
+
+ if (ngx_qjs_dict_add(cx, dict, key, value, timeout, now) != NGX_OK) {
+ goto memory_error;
+ }
+
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+
+ return JS_TRUE;
+ }
+
+ if (flags & NGX_JS_DICT_FLAG_MUST_NOT_EXIST) {
+ if (!dict->timeout || now < node->expire.key) {
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+ return JS_FALSE;
+ }
+ }
+
+ if (ngx_qjs_dict_update(cx, dict, node, value, timeout, now) != NGX_OK) {
+ goto memory_error;
+ }
+
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+
+ return JS_TRUE;
+
+memory_error:
+
+ ngx_rwlock_unlock(&dict->sh->rwlock);
+
+ return ngx_qjs_throw_shared_memory_error(cx);
+}
+
+
+static ngx_int_t
+ngx_qjs_dict_update(JSContext *cx, ngx_js_dict_t *dict,
+ ngx_js_dict_node_t *node, JSValue value, ngx_msec_t timeout, ngx_msec_t now)
+{
+ u_char *p;
+ ngx_str_t string;
+
+ if (dict->type == NGX_JS_DICT_TYPE_STRING) {
+ string.data = (u_char *) JS_ToCStringLen(cx, &string.len, value);
+ if (string.data == NULL) {
+ return NGX_ERROR;
+ }
+
+ p = ngx_js_dict_alloc(dict, string.len);
+ if (p == NULL) {
+ JS_FreeCString(cx, (char *) string.data);
+ return NGX_ERROR;
+ }
+
+ ngx_slab_free_locked(dict->shpool, node->u.value.data);
+ ngx_memcpy(p, string.data, string.len);
+
+ node->u.value.data = p;
+ node->u.value.len = string.len;
+
+ JS_FreeCString(cx, (char *) string.data);
+
+ } else {
+ if (JS_ToFloat64(cx, &node->u.number, value) < 0) {
+ return NGX_ERROR;
+ }
+ }
+
+ if (dict->timeout) {
+ ngx_rbtree_delete(&dict->sh->rbtree_expire, &node->expire);
+ node->expire.key = now + timeout;
+ ngx_rbtree_insert(&dict->sh->rbtree_expire, &node->expire);
+ }
+
+ return NGX_OK;
+}
+
+
+static JSValue
+ngx_qjs_shared_dict_error_constructor(JSContext *cx, JSValueConst this_val,
+ int argc, JSValueConst *argv)
+{
+ JSValue proto, error_ctor, result, global_obj;
+
+ global_obj = JS_GetGlobalObject(cx);
+
+ error_ctor = JS_GetPropertyStr(cx, global_obj, "Error");
+ if (JS_IsException(error_ctor)) {
+ JS_FreeValue(cx, global_obj);
+ return error_ctor;
+ }
+
+ result = JS_CallConstructor(cx, error_ctor, argc, argv);
+ JS_FreeValue(cx, error_ctor);
+ JS_FreeValue(cx, global_obj);
+
+ if (!JS_IsException(result)) {
+ proto = JS_GetClassProto(cx, NGX_QJS_CLASS_ID_SHARED_DICT_ERROR);
+ if (JS_SetPrototype(cx, result, proto) < 0) {
+ JS_FreeValue(cx, result);
+ JS_FreeValue(cx, proto);
+ return JS_EXCEPTION;
+ }
+
+ JS_FreeValue(cx, proto);
+ }
+
+ return result;
+}
+
+
+static JSValue
+ngx_qjs_throw_shared_memory_error(JSContext *cx)
+{
+ JSValue ctor, global_obj, err;
+
+ global_obj = JS_GetGlobalObject(cx);
+
+ ctor = JS_GetPropertyStr(cx, global_obj, "SharedMemoryError");
+ JS_FreeValue(cx, global_obj);
+
+ if (JS_IsException(ctor)) {
+ return ctor;
+ }
+
+ err = JS_CallConstructor(cx, ctor, 0, NULL);
+
+ JS_FreeValue(cx, ctor);
+
+ return JS_Throw(cx, err);
+}
+
+
+static JSModuleDef *
+ngx_qjs_ngx_shared_dict_init(JSContext *cx, const char *name)
+{
+ JSValue global_obj, ngx_obj, proto, error_ctor, error_proto, shared_ctor;
+
+ if (JS_NewClass(JS_GetRuntime(cx), NGX_QJS_CLASS_ID_SHARED,
+ &ngx_qjs_shared_class) < 0)
+ {
+ return NULL;
+ }
+
+ if (JS_NewClass(JS_GetRuntime(cx), NGX_QJS_CLASS_ID_SHARED_DICT,
+ &ngx_qjs_shared_dict_class) < 0)
+ {
+ return NULL;
+ }
+
+ proto = JS_NewObject(cx);
+ if (JS_IsException(proto)) {
+ return NULL;
+ }
+
+ JS_SetPropertyFunctionList(cx, proto, ngx_qjs_ext_shared_dict,
+ njs_nitems(ngx_qjs_ext_shared_dict));
+
+ JS_SetClassProto(cx, NGX_QJS_CLASS_ID_SHARED_DICT, proto);
+
+ global_obj = JS_GetGlobalObject(cx);
+
+ error_ctor = JS_GetPropertyStr(cx, global_obj, "Error");
+ if (JS_IsException(error_ctor)) {
+ JS_FreeValue(cx, global_obj);
+ return NULL;
+ }
+
+ error_proto = JS_GetPropertyStr(cx, error_ctor, "prototype");
+ if (JS_IsException(error_proto)) {
+ JS_FreeValue(cx, error_ctor);
+ JS_FreeValue(cx, global_obj);
+ return NULL;
+ }
+
+ proto = JS_NewObjectProto(cx, error_proto);
+
+ JS_FreeValue(cx, error_ctor);
+ JS_FreeValue(cx, error_proto);
+
+ if (JS_IsException(proto)) {
+ JS_FreeValue(cx, global_obj);
+ return NULL;
+ }
+
+ JS_SetPropertyFunctionList(cx, proto, ngx_qjs_ext_shared_dict_error,
+ njs_nitems(ngx_qjs_ext_shared_dict_error));
+
+ JS_SetClassProto(cx, NGX_QJS_CLASS_ID_SHARED_DICT_ERROR, proto);
+
+ shared_ctor = JS_NewCFunction2(cx, ngx_qjs_shared_dict_error_constructor,
+ "SharedDictError", 1, JS_CFUNC_constructor,
+ 0);
+ if (JS_IsException(shared_ctor)) {
+ JS_FreeValue(cx, global_obj);
+ return NULL;
+ }
+
+ JS_SetConstructor(cx, shared_ctor, proto);
+
+ if (JS_SetPropertyStr(cx, global_obj, "SharedMemoryError", shared_ctor)
+ < 0)
+ {
+ JS_FreeValue(cx, shared_ctor);
+ JS_FreeValue(cx, global_obj);
+ return NULL;
+ }
+
+ ngx_obj = JS_GetPropertyStr(cx, global_obj, "ngx");
+ if (JS_IsException(ngx_obj)) {
+ JS_FreeValue(cx, global_obj);
+ return NULL;
+ }
+
+ JS_SetPropertyFunctionList(cx, ngx_obj, ngx_qjs_ext_ngx,
+ njs_nitems(ngx_qjs_ext_ngx));
+
+ JS_FreeValue(cx, ngx_obj);
+ JS_FreeValue(cx, global_obj);
+
+ return JS_NewCModule(cx, name, NULL);
+}
+
+#endif
diff --git a/nginx/t/js_shared_dict.t b/nginx/t/js_shared_dict.t
index ae3321d7..8be2831f 100644
--- a/nginx/t/js_shared_dict.t
+++ b/nginx/t/js_shared_dict.t
@@ -42,6 +42,7 @@ http {
js_shared_dict_zone zone=bar:64k type=string;
js_shared_dict_zone zone=waka:32k timeout=1000s type=number;
js_shared_dict_zone zone=no_timeout:32k;
+ js_shared_dict_zone zone=overflow:32k;

server {
listen 127.0.0.1:8080;
@@ -103,6 +104,10 @@ http {
js_content test.name;
}

+ location /overflow {
+ js_content test.overflow;
+ }
+
location /pop {
js_content test.pop;
}
@@ -264,6 +269,27 @@ $t->write_file('test.js', <<'EOF');
r.return(200, dict.replace(r.args.key, value));
}

+ function overflow(r) {
+ var dict = ngx.shared.overflow;
+
+ var v = 'x'.repeat(1024);
+ try {
+ for (var i = 0; i < 1024; i++) {
+ dict.set('key' + i, v);
+ }
+ } catch (e) {
+ if (e instanceof SharedMemoryError) {
+ r.return(200, 'SharedMemoryError');
+ return;
+ }
+
+ r.return(200, e.toString());
+ return;
+ }
+
+ r.return(200, 'no exception');
+ }
+
function pop(r) {
var dict = ngx.shared[r.args.dict];
var val = dict.pop(r.args.key);
@@ -311,14 +337,12 @@ $t->write_file('test.js', <<'EOF');

export default { add, capacity, chain, clear, del, free_space, get, has,
incr, items, keys, name, njs: test_njs, pop, replace, set,
- set_clear, size, zones, engine };
+ set_clear, size, zones, engine, overflow };
EOF

$t->try_run('no js_shared_dict_zone');

-plan(skip_all => 'not yet') if http_get('/engine') =~ /QuickJS$/m;
-
-$t->plan(51);
+$t->plan(52);

###############################################################################

@@ -415,6 +439,13 @@ like(http_get('/size?dict=foo'), qr/size: 0/, 'no of items in foo after clear');
like(http_get('/set_clear'), qr/size: 0/,
'no of items in no_timeout after clear');

+TODO: {
+local $TODO = 'not yet' unless has_version('0.8.8');
+
+like(http_get('/overflow'), qr/SharedMemoryError/, 'overflow exception');
+
+}
+
###############################################################################

sub has_version {
diff --git a/nginx/t/stream_js_shared_dict.t b/nginx/t/stream_js_shared_dict.t
index 0bdfaeb7..915cc40b 100644
--- a/nginx/t/stream_js_shared_dict.t
+++ b/nginx/t/stream_js_shared_dict.t
@@ -127,8 +127,6 @@ EOF

$t->try_run('no js_shared_dict_zone');

-plan(skip_all => 'not yet') if http_get('/engine') =~ /QuickJS$/m;
-
$t->plan(9);

$t->run_daemon(\&stream_daemon, port(8090));
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Subject Author Views Posted

[njs] Modules: added js_shared_dict_zone support in QuickJS engine.

Anonymous User 162 October 30, 2024 07:56PM



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