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218 lines (173 loc) · 6.86 KB
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#if HAVE_OPENSSL && HAVE_QUIC
#include "guard.h"
#ifndef OPENSSL_NO_QUIC
#include <base_object-inl.h>
#include <env-inl.h>
#include <memory_tracker-inl.h>
#include <nghttp3/nghttp3.h>
#include <ngtcp2/ngtcp2.h>
#include <node.h>
#include <node_errors.h>
#include <node_external_reference.h>
#include <node_mem-inl.h>
#include <node_realm-inl.h>
#include <v8.h>
#include "bindingdata.h"
namespace node {
using v8::Function;
using v8::FunctionTemplate;
using v8::Local;
using v8::Object;
using v8::String;
using v8::Value;
namespace quic {
BindingData& BindingData::Get(Environment* env) {
return *(env->principal_realm()->GetBindingData<BindingData>());
}
BindingData::operator ngtcp2_mem() {
return MakeAllocator();
}
BindingData::operator nghttp3_mem() {
ngtcp2_mem allocator = *this;
nghttp3_mem http3_allocator = {
allocator.user_data,
allocator.malloc,
allocator.free,
allocator.calloc,
allocator.realloc,
};
return http3_allocator;
}
void BindingData::CheckAllocatedSize(size_t previous_size) const {
CHECK_GE(current_ngtcp2_memory_, previous_size);
}
void BindingData::IncreaseAllocatedSize(size_t size) {
CHECK_GE(current_ngtcp2_memory_ + size, current_ngtcp2_memory_);
current_ngtcp2_memory_ += size;
}
void BindingData::DecreaseAllocatedSize(size_t size) {
CHECK_LE(current_ngtcp2_memory_ - size, current_ngtcp2_memory_);
current_ngtcp2_memory_ -= size;
}
void BindingData::InitPerContext(Realm* realm, Local<Object> target) {
SetMethod(realm->context(), target, "setCallbacks", SetCallbacks);
Realm::GetCurrent(realm->context())->AddBindingData<BindingData>(target);
}
void BindingData::RegisterExternalReferences(
ExternalReferenceRegistry* registry) {
registry->Register(IllegalConstructor);
registry->Register(SetCallbacks);
}
BindingData::BindingData(Realm* realm, Local<Object> object)
: BaseObject(realm, object) {
MakeWeak();
}
void BindingData::MemoryInfo(MemoryTracker* tracker) const {
#define V(name, _) tracker->TrackField(#name, name##_callback());
QUIC_JS_CALLBACKS(V)
#undef V
#define V(name, _) tracker->TrackField(#name, name##_string());
QUIC_STRINGS(V)
#undef V
}
#define V(name) \
void BindingData::set_##name##_constructor_template( \
Local<FunctionTemplate> tmpl) { \
name##_constructor_template_.Reset(env()->isolate(), tmpl); \
} \
Local<FunctionTemplate> BindingData::name##_constructor_template() const { \
return PersistentToLocal::Default(env()->isolate(), \
name##_constructor_template_); \
}
QUIC_CONSTRUCTORS(V)
#undef V
#define V(name, _) \
void BindingData::set_##name##_callback(Local<Function> fn) { \
name##_callback_.Reset(env()->isolate(), fn); \
} \
Local<Function> BindingData::name##_callback() const { \
return PersistentToLocal::Default(env()->isolate(), name##_callback_); \
}
QUIC_JS_CALLBACKS(V)
#undef V
#define V(name, value) \
Local<String> BindingData::name##_string() const { \
if (name##_string_.IsEmpty()) \
name##_string_.Set(env()->isolate(), \
OneByteString(env()->isolate(), value)); \
return name##_string_.Get(env()->isolate()); \
}
QUIC_STRINGS(V)
#undef V
#define V(name, value) \
Local<String> BindingData::on_##name##_string() const { \
if (on_##name##_string_.IsEmpty()) \
on_##name##_string_.Set( \
env()->isolate(), \
FIXED_ONE_BYTE_STRING(env()->isolate(), "on" #value)); \
return on_##name##_string_.Get(env()->isolate()); \
}
QUIC_JS_CALLBACKS(V)
#undef V
JS_METHOD_IMPL(BindingData::SetCallbacks) {
auto env = Environment::GetCurrent(args);
auto isolate = env->isolate();
auto& state = Get(env);
CHECK(args[0]->IsObject());
Local<Object> obj = args[0].As<Object>();
#define V(name, key) \
do { \
Local<Value> val; \
if (!obj->Get(env->context(), state.on_##name##_string()).ToLocal(&val) || \
!val->IsFunction()) { \
return THROW_ERR_MISSING_ARGS(isolate, "Missing Callback: on" #key); \
} \
state.set_##name##_callback(val.As<Function>()); \
} while (0);
QUIC_JS_CALLBACKS(V)
#undef V
}
NgTcp2CallbackScope::NgTcp2CallbackScope(Environment* env) : env(env) {
auto& binding = BindingData::Get(env);
CHECK(!binding.in_ngtcp2_callback_scope);
binding.in_ngtcp2_callback_scope = true;
}
NgTcp2CallbackScope::~NgTcp2CallbackScope() {
auto& binding = BindingData::Get(env);
binding.in_ngtcp2_callback_scope = false;
}
bool NgTcp2CallbackScope::in_ngtcp2_callback(Environment* env) {
auto& binding = BindingData::Get(env);
return binding.in_ngtcp2_callback_scope;
}
NgHttp3CallbackScope::NgHttp3CallbackScope(Environment* env) : env(env) {
auto& binding = BindingData::Get(env);
CHECK(!binding.in_nghttp3_callback_scope);
binding.in_nghttp3_callback_scope = true;
}
NgHttp3CallbackScope::~NgHttp3CallbackScope() {
auto& binding = BindingData::Get(env);
binding.in_nghttp3_callback_scope = false;
}
bool NgHttp3CallbackScope::in_nghttp3_callback(Environment* env) {
auto& binding = BindingData::Get(env);
return binding.in_nghttp3_callback_scope;
}
CallbackScopeBase::CallbackScopeBase(Environment* env)
: env(env), context_scope(env->context()), try_catch(env->isolate()) {}
CallbackScopeBase::~CallbackScopeBase() {
if (try_catch.HasCaught()) {
if (!try_catch.HasTerminated() && env->can_call_into_js()) {
errors::TriggerUncaughtException(env->isolate(), try_catch);
} else {
try_catch.ReThrow();
}
}
}
JS_METHOD_IMPL(IllegalConstructor) {
THROW_ERR_ILLEGAL_CONSTRUCTOR(Environment::GetCurrent(args));
}
} // namespace quic
} // namespace node
#endif // OPENSSL_NO_QUIC
#endif // HAVE_OPENSSL && HAVE_QUIC