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add timeout and memory limit

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This commit is contained in:
ekibun
2022-05-20 00:40:44 +08:00
parent 232ea07e89
commit 32aac42c19
8 changed files with 426 additions and 316 deletions
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71
cxx/ffi.cpp
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@@ -1,5 +1,5 @@
/*
* @Description:
* @Description:
* @Author: ekibun
* @Date: 2020-09-06 18:32:45
* @LastEditors: ekibun
@@ -33,13 +33,17 @@ extern "C"
return new JSValue(JS_NULL);
}
struct RuntimeOpaque {
JSChannel * channel;
int64_t timeout;
int64_t start;
};
JSModuleDef *js_module_loader(
JSContext *ctx,
const char *module_name, void *opaque)
{
JSRuntime *rt = JS_GetRuntime(ctx);
JSChannel *channel = (JSChannel *)JS_GetRuntimeOpaque(rt);
const char *str = (char *)channel(ctx, JSChannelType_MODULE, (void *)module_name);
const char *str = (char *)((RuntimeOpaque *)opaque)->channel(ctx, JSChannelType_MODULE, (void *)module_name);
if (str == 0)
return NULL;
JSValue func_val = JS_Eval(ctx, str, strlen(str), module_name, JS_EVAL_TYPE_MODULE | JS_EVAL_FLAG_COMPILE_ONLY);
@@ -54,13 +58,13 @@ extern "C"
JSValue js_channel(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv, int magic, JSValue *func_data)
{
JSRuntime *rt = JS_GetRuntime(ctx);
JSChannel *channel = (JSChannel *)JS_GetRuntimeOpaque(rt);
RuntimeOpaque *opaque = (RuntimeOpaque *)JS_GetRuntimeOpaque(rt);
void *data[4];
data[0] = &this_val;
data[1] = &argc;
data[2] = argv;
data[3] = func_data;
return *(JSValue *)channel(ctx, JSChannelType_METHON, data);
return *(JSValue *)opaque->channel(ctx, JSChannelType_METHON, data);
}
void js_promise_rejection_tracker(JSContext *ctx, JSValueConst promise,
@@ -69,17 +73,26 @@ extern "C"
{
if (is_handled)
return;
JSRuntime *rt = JS_GetRuntime(ctx);
JSChannel *channel = (JSChannel *)JS_GetRuntimeOpaque(rt);
channel(ctx, JSChannelType_PROMISE_TRACK, &reason);
((RuntimeOpaque *)opaque)->channel(ctx, JSChannelType_PROMISE_TRACK, &reason);
}
DLLEXPORT JSRuntime *jsNewRuntime(JSChannel channel)
int js_interrupt_handler(JSRuntime * rt, void * opaque) {
RuntimeOpaque *op = (RuntimeOpaque *)opaque;
if(op->timeout && op->start && (clock() - op->start) > op->timeout * CLOCKS_PER_SEC / 1000) {
op->start = 0;
return 1;
}
return 0;
}
DLLEXPORT JSRuntime *jsNewRuntime(JSChannel channel, int64_t timeout)
{
JSRuntime *rt = JS_NewRuntime();
JS_SetRuntimeOpaque(rt, (void *)channel);
JS_SetHostPromiseRejectionTracker(rt, js_promise_rejection_tracker, nullptr);
JS_SetModuleLoaderFunc(rt, nullptr, js_module_loader, nullptr);
RuntimeOpaque *opaque = new RuntimeOpaque({channel, timeout, 0});
JS_SetRuntimeOpaque(rt, opaque);
JS_SetHostPromiseRejectionTracker(rt, js_promise_rejection_tracker, opaque);
JS_SetModuleLoaderFunc(rt, nullptr, js_module_loader, opaque);
JS_SetInterruptHandler(rt, js_interrupt_handler, opaque);
return rt;
}
@@ -93,13 +106,14 @@ extern "C"
JSClassDef def{
name,
// destructor
[](JSRuntime *rt, JSValue obj) noexcept {
[](JSRuntime *rt, JSValue obj) noexcept
{
JSClassID classid = JS_GetClassID(obj);
void *opaque = JS_GetOpaque(obj, classid);
JSChannel *channel = (JSChannel *)JS_GetRuntimeOpaque(rt);
if (channel == nullptr)
RuntimeOpaque *runtimeOpaque = (RuntimeOpaque *)JS_GetRuntimeOpaque(rt);
if (runtimeOpaque == nullptr)
return;
channel((JSContext *)rt, JSChannelType_FREE_OBJECT, opaque);
runtimeOpaque->channel((JSContext *)rt, JSChannelType_FREE_OBJECT, opaque);
}};
int e = JS_NewClass(rt, QJSClassId, &def);
if (e < 0)
@@ -130,8 +144,16 @@ extern "C"
JS_SetMaxStackSize(rt, stack_size);
}
DLLEXPORT void jsSetMemoryLimit(JSRuntime *rt, size_t limit)
{
JS_SetMemoryLimit(rt, limit);
}
DLLEXPORT void jsFreeRuntime(JSRuntime *rt)
{
RuntimeOpaque *opauqe = (RuntimeOpaque *)JS_GetRuntimeOpaque(rt);
if (opauqe)
delete opauqe;
JS_SetRuntimeOpaque(rt, nullptr);
JS_FreeRuntime(rt);
}
@@ -143,6 +165,7 @@ extern "C"
DLLEXPORT JSContext *jsNewContext(JSRuntime *rt)
{
JS_UpdateStackTop(rt);
JSContext *ctx = JS_NewContext(rt);
return ctx;
}
@@ -157,10 +180,16 @@ extern "C"
return JS_GetRuntime(ctx);
}
void js_begin_call(JSRuntime *rt) {
JS_UpdateStackTop(rt);
RuntimeOpaque * opaque = (RuntimeOpaque *)JS_GetRuntimeOpaque(rt);
if(opaque) opaque->start = clock();
}
DLLEXPORT JSValue *jsEval(JSContext *ctx, const char *input, size_t input_len, const char *filename, int32_t eval_flags)
{
JSRuntime *rt = JS_GetRuntime(ctx);
JS_UpdateStackTop(rt);
js_begin_call(rt);
JSValue *ret = new JSValue(JS_Eval(ctx, input, input_len, filename, eval_flags));
return ret;
}
@@ -261,7 +290,7 @@ extern "C"
DLLEXPORT const char *jsToCString(JSContext *ctx, JSValueConst *val)
{
JSRuntime *rt = JS_GetRuntime(ctx);
JS_UpdateStackTop(rt);
js_begin_call(rt);
const char *ret = JS_ToCString(ctx, *val);
return ret;
}
@@ -353,7 +382,7 @@ extern "C"
int32_t argc, JSValueConst *argv)
{
JSRuntime *rt = JS_GetRuntime(ctx);
JS_UpdateStackTop(rt);
js_begin_call(rt);
JSValue *ret = new JSValue(JS_Call(ctx, *func_obj, *this_obj, argc, argv));
return ret;
}
@@ -370,7 +399,7 @@ extern "C"
DLLEXPORT int32_t jsExecutePendingJob(JSRuntime *rt)
{
JS_UpdateStackTop(rt);
js_begin_call(rt);
JSContext *ctx;
int ret = JS_ExecutePendingJob(rt, &ctx);
return ret;