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164 lines (138 loc) · 6.4 KB
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#ifndef SRC_NODE_BINDING_H_
#define SRC_NODE_BINDING_H_
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#if defined(__POSIX__)
#include <dlfcn.h>
#endif
#include "node.h"
#include "node_api.h"
#include "quic/guard.h"
#include "uv.h"
enum {
NM_F_BUILTIN = 1 << 0, // Unused.
NM_F_LINKED = 1 << 1,
NM_F_INTERNAL = 1 << 2,
NM_F_DELETEME = 1 << 3,
};
// Make sure our internal values match the public API's values.
static_assert(static_cast<int>(NM_F_LINKED) ==
static_cast<int>(node::ModuleFlags::kLinked),
"NM_F_LINKED != node::ModuleFlags::kLinked");
#if NODE_HAVE_I18N_SUPPORT
#define NODE_BUILTIN_ICU_BINDINGS(V) V(icu)
#else
#define NODE_BUILTIN_ICU_BINDINGS(V)
#endif
#if HAVE_OPENSSL && OPENSSL_NO_QUIC != 1
#define NODE_BUILTIN_QUIC_BINDINGS(V) V(quic)
#else
#define NODE_BUILTIN_QUIC_BINDINGS(V)
#endif
#if HAVE_SQLITE
#define NODE_BUILTIN_SQLITE_BINDINGS(V) \
V(sqlite) \
V(webstorage)
#else
#define NODE_BUILTIN_SQLITE_BINDINGS(V)
#endif
#define NODE_BINDINGS_WITH_PER_ISOLATE_INIT(V) \
V(async_wrap) \
V(blob) \
V(builtins) \
V(contextify) \
V(diagnostics_channel) \
V(encoding_binding) \
V(fs) \
V(fs_dir) \
V(http_parser) \
V(locks) \
V(messaging) \
V(mksnapshot) \
V(modules) \
V(module_wrap) \
V(performance) \
V(process_methods) \
V(timers) \
V(url) \
V(worker) \
NODE_BUILTIN_ICU_BINDINGS(V) \
NODE_BUILTIN_QUIC_BINDINGS(V)
#define NODE_BINDING_CONTEXT_AWARE_CPP(modname, regfunc, priv, flags) \
static node::node_module _module = { \
NODE_MODULE_VERSION, \
flags, \
nullptr, \
__FILE__, \
nullptr, \
(node::addon_context_register_func)(regfunc), \
NODE_STRINGIFY(modname), \
priv, \
nullptr}; \
void _register_##modname() { node_module_register(&_module); }
void napi_module_register_by_symbol(
v8::Local<v8::Object> exports,
v8::Local<v8::Value> module,
v8::Local<v8::Context> context,
napi_addon_register_func init,
int32_t module_api_version = NODE_API_DEFAULT_MODULE_API_VERSION);
node::addon_context_register_func get_node_api_context_register_func(
node::Environment* node_env,
const char* module_name,
int32_t module_api_version);
namespace node {
// Define a node internal binding that may be loaded in a context of
// a node::Environment.
// If an internal binding needs initializing per-isolate templates, define
// with NODE_BINDING_PER_ISOLATE_INIT too.
#define NODE_BINDING_CONTEXT_AWARE_INTERNAL(modname, regfunc) \
NODE_BINDING_CONTEXT_AWARE_CPP(modname, regfunc, nullptr, NM_F_INTERNAL)
// Define a per-isolate initialization function for a node internal binding.
// The modname should be registered in the NODE_BINDINGS_WITH_PER_ISOLATE_INIT
// list.
#define NODE_BINDING_PER_ISOLATE_INIT(modname, per_isolate_func) \
void _register_isolate_##modname(node::IsolateData* isolate_data, \
v8::Local<v8::ObjectTemplate> target) { \
per_isolate_func(isolate_data, target); \
}
// Globals per process
// This is set by node::Init() which is used by embedders
extern bool node_is_initialized;
namespace binding {
class DLib {
public:
#ifdef __POSIX__
static const int kDefaultFlags = RTLD_LAZY;
#else
static const int kDefaultFlags = 0;
#endif
DLib(const char* filename, int flags);
bool Open();
void Close();
void* GetSymbolAddress(const char* name);
void SaveInGlobalHandleMap(node_module* mp);
node_module* GetSavedModuleFromGlobalHandleMap();
const std::string filename_;
const int flags_;
std::string errmsg_;
void* handle_;
#ifndef __POSIX__
uv_lib_t lib_;
#endif
bool has_entry_in_global_handle_map_ = false;
DLib(const DLib&) = delete;
DLib& operator=(const DLib&) = delete;
};
// Call _register<module_name> functions for all of
// the built-in bindings. Because built-in bindings don't
// use the __attribute__((constructor)). Need to
// explicitly call the _register* functions.
void RegisterBuiltinBindings();
// Create per-isolate templates for the internal bindings.
void CreateInternalBindingTemplates(IsolateData* isolate_data);
void GetInternalBinding(const v8::FunctionCallbackInfo<v8::Value>& args);
void GetLinkedBinding(const v8::FunctionCallbackInfo<v8::Value>& args);
void DLOpen(const v8::FunctionCallbackInfo<v8::Value>& args);
} // namespace binding
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_NODE_BINDING_H_