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107 lines
3.5 KiB
107 lines
3.5 KiB
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef SRC_ASYNC_WRAP_INL_H_
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#define SRC_ASYNC_WRAP_INL_H_
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#include "async-wrap.h"
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#include "base-object.h"
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#include "base-object-inl.h"
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#include "env.h"
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#include "env-inl.h"
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#include "node_internals.h"
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#include "util.h"
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#include "util-inl.h"
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#include "v8.h"
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namespace node {
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inline AsyncWrap::AsyncWrap(Environment* env,
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v8::Handle<v8::Object> object,
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ProviderType provider,
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AsyncWrap* parent)
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: BaseObject(env, object),
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has_async_queue_(false),
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provider_type_(provider) {
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// Check user controlled flag to see if the init callback should run.
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if (!env->call_async_init_hook())
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return;
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// TODO(trevnorris): Until it's verified all passed object's are not weak,
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// add a HandleScope to make sure there's no leak.
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v8::HandleScope scope(env->isolate());
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v8::Local<v8::Object> parent_obj;
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v8::TryCatch try_catch;
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// If a parent value was sent then call its pre/post functions to let it know
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// a conceptual "child" is being instantiated (e.g. that a server has
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// received a connection).
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if (parent != nullptr) {
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parent_obj = parent->object();
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env->async_hooks_pre_function()->Call(parent_obj, 0, nullptr);
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if (try_catch.HasCaught())
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FatalError("node::AsyncWrap::AsyncWrap", "parent pre hook threw");
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}
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env->async_hooks_init_function()->Call(object, 0, nullptr);
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if (try_catch.HasCaught())
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FatalError("node::AsyncWrap::AsyncWrap", "init hook threw");
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has_async_queue_ = true;
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if (parent != nullptr) {
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env->async_hooks_post_function()->Call(parent_obj, 0, nullptr);
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if (try_catch.HasCaught())
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FatalError("node::AsyncWrap::AsyncWrap", "parent post hook threw");
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}
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}
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inline uint32_t AsyncWrap::provider_type() const {
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return provider_type_;
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}
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inline v8::Handle<v8::Value> AsyncWrap::MakeCallback(
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const v8::Handle<v8::String> symbol,
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int argc,
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v8::Handle<v8::Value>* argv) {
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v8::Local<v8::Value> cb_v = object()->Get(symbol);
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CHECK(cb_v->IsFunction());
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return MakeCallback(cb_v.As<v8::Function>(), argc, argv);
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}
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inline v8::Handle<v8::Value> AsyncWrap::MakeCallback(
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uint32_t index,
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int argc,
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v8::Handle<v8::Value>* argv) {
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v8::Local<v8::Value> cb_v = object()->Get(index);
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CHECK(cb_v->IsFunction());
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return MakeCallback(cb_v.As<v8::Function>(), argc, argv);
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}
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} // namespace node
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#endif // SRC_ASYNC_WRAP_INL_H_
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