0c5e07e0e5
- So it can be compatible in every platform supported by libuv. - Use attached threads instead of detached. - Remove all CardReader 'status' listeners before emitting the 'end' event.
664 lines
22 KiB
C++
664 lines
22 KiB
C++
#include "cardreader.h"
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#include "common.h"
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using namespace v8;
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using namespace node;
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Persistent<Function> CardReader::constructor;
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void CardReader::init(Handle<Object> target) {
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// Prepare constructor template
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Local<FunctionTemplate> tpl = NanNew<FunctionTemplate>(New);
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tpl->SetClassName(NanNew("CardReader"));
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tpl->InstanceTemplate()->SetInternalFieldCount(1);
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// Symbol
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NanAssignPersistent(name_symbol, NanNew("name"));
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NanAssignPersistent(connected_symbol, NanNew("connected"));
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// Prototype
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NanSetPrototypeTemplate(tpl, "get_status", NanNew<FunctionTemplate>(GetStatus));
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NanSetPrototypeTemplate(tpl, "_connect", NanNew<FunctionTemplate>(Connect));
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NanSetPrototypeTemplate(tpl, "_disconnect", NanNew<FunctionTemplate>(Disconnect));
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NanSetPrototypeTemplate(tpl, "_transmit", NanNew<FunctionTemplate>(Transmit));
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NanSetPrototypeTemplate(tpl, "_control", NanNew<FunctionTemplate>(Control));
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NanSetPrototypeTemplate(tpl, "close", NanNew<FunctionTemplate>(Close));
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// PCSCLite constants
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// Share Mode
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NanSetPrototypeTemplate(tpl, "SCARD_SHARE_SHARED", NanNew(SCARD_SHARE_SHARED));
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NanSetPrototypeTemplate(tpl, "SCARD_SHARE_EXCLUSIVE", NanNew(SCARD_SHARE_EXCLUSIVE));
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NanSetPrototypeTemplate(tpl, "SCARD_SHARE_DIRECT", NanNew(SCARD_SHARE_DIRECT));
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// Protocol
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NanSetPrototypeTemplate(tpl, "SCARD_PROTOCOL_T0", NanNew(SCARD_PROTOCOL_T0));
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NanSetPrototypeTemplate(tpl, "SCARD_PROTOCOL_T1", NanNew(SCARD_PROTOCOL_T1));
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NanSetPrototypeTemplate(tpl, "SCARD_PROTOCOL_RAW", NanNew(SCARD_PROTOCOL_RAW));
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// State
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NanSetPrototypeTemplate(tpl, "SCARD_STATE_UNAWARE", NanNew(SCARD_STATE_UNAWARE));
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NanSetPrototypeTemplate(tpl, "SCARD_STATE_IGNORE", NanNew(SCARD_STATE_IGNORE));
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NanSetPrototypeTemplate(tpl, "SCARD_STATE_CHANGED", NanNew(SCARD_STATE_CHANGED));
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NanSetPrototypeTemplate(tpl, "SCARD_STATE_UNKNOWN", NanNew(SCARD_STATE_UNKNOWN));
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NanSetPrototypeTemplate(tpl, "SCARD_STATE_UNAVAILABLE", NanNew(SCARD_STATE_UNAVAILABLE));
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NanSetPrototypeTemplate(tpl, "SCARD_STATE_EMPTY", NanNew(SCARD_STATE_EMPTY));
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NanSetPrototypeTemplate(tpl, "SCARD_STATE_PRESENT", NanNew(SCARD_STATE_PRESENT));
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NanSetPrototypeTemplate(tpl, "SCARD_STATE_ATRMATCH", NanNew(SCARD_STATE_ATRMATCH));
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NanSetPrototypeTemplate(tpl, "SCARD_STATE_EXCLUSIVE", NanNew(SCARD_STATE_EXCLUSIVE));
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NanSetPrototypeTemplate(tpl, "SCARD_STATE_INUSE", NanNew(SCARD_STATE_INUSE));
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NanSetPrototypeTemplate(tpl, "SCARD_STATE_MUTE", NanNew(SCARD_STATE_MUTE));
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// Disconnect disposition
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NanSetPrototypeTemplate(tpl, "SCARD_LEAVE_CARD", NanNew(SCARD_LEAVE_CARD));
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NanSetPrototypeTemplate(tpl, "SCARD_RESET_CARD", NanNew(SCARD_RESET_CARD));
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NanSetPrototypeTemplate(tpl, "SCARD_UNPOWER_CARD", NanNew(SCARD_UNPOWER_CARD));
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NanSetPrototypeTemplate(tpl, "SCARD_EJECT_CARD", NanNew(SCARD_EJECT_CARD));
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NanAssignPersistent<Function>(constructor, tpl->GetFunction());
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target->Set(NanNew("CardReader"), tpl->GetFunction());
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}
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CardReader::CardReader(const std::string &reader_name): m_card_context(0),
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m_card_handle(0),
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m_name(reader_name),
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m_state(0) {
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assert(uv_mutex_init(&m_mutex) == 0);
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assert(uv_cond_init(&m_cond) == 0);
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}
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CardReader::~CardReader() {
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SCardCancel(m_card_context);
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int ret = uv_thread_join(&m_status_thread);
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assert(ret == 0);
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if (m_card_context) {
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SCardReleaseContext(m_card_context);
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}
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uv_mutex_destroy(&m_mutex);
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}
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NAN_METHOD(CardReader::New) {
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NanScope();
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v8::String::Utf8Value reader_name(args[0]->ToString());
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CardReader* obj = new CardReader(*reader_name);
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obj->Wrap(args.Holder());
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NanObjectWrapHandle(obj)->Set(NanNew(name_symbol), args[0]->ToString());
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NanObjectWrapHandle(obj)->Set(NanNew(connected_symbol), NanFalse());
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NanReturnValue(args.Holder());
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}
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NAN_METHOD(CardReader::GetStatus) {
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NanScope();
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CardReader* obj = ObjectWrap::Unwrap<CardReader>(args.This());
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Local<Function> cb = Local<Function>::Cast(args[0]);
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AsyncBaton *async_baton = new AsyncBaton();
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async_baton->async.data = async_baton;
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NanAssignPersistent(async_baton->callback, cb);
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async_baton->reader = obj;
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uv_async_init(uv_default_loop(), &async_baton->async, (uv_async_cb)HandleReaderStatusChange);
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int ret = uv_thread_create(&obj->m_status_thread, HandlerFunction, async_baton);
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assert(ret == 0);
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NanReturnUndefined();
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}
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NAN_METHOD(CardReader::Connect) {
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NanScope();
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// The second argument is the length of the data to be received
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if (!args[0]->IsUint32()) {
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return NanThrowError("First argument must be an integer");
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}
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if (!args[1]->IsUint32()) {
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return NanThrowError("Second argument must be an integer");
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}
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if (!args[2]->IsFunction()) {
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return NanThrowError("Third argument must be a callback function");
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}
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ConnectInput* ci = new ConnectInput();
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ci->share_mode = args[0]->Uint32Value();
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ci->pref_protocol = args[1]->Uint32Value();
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Local<Function> cb = Local<Function>::Cast(args[2]);
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// This creates our work request, including the libuv struct.
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Baton* baton = new Baton();
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baton->request.data = baton;
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NanAssignPersistent(baton->callback, cb);
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baton->reader = ObjectWrap::Unwrap<CardReader>(args.This());
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baton->input = ci;
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// Schedule our work request with libuv. Here you can specify the functions
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// that should be executed in the threadpool and back in the main thread
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// after the threadpool function completed.
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int status = uv_queue_work(uv_default_loop(),
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&baton->request,
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DoConnect,
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reinterpret_cast<uv_after_work_cb>(AfterConnect));
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assert(status == 0);
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NanReturnUndefined();
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}
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NAN_METHOD(CardReader::Disconnect) {
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NanScope();
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if (!args[0]->IsUint32()) {
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return NanThrowError("First argument must be an integer");
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}
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if (!args[1]->IsFunction()) {
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return NanThrowError("Second argument must be a callback function");
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}
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DWORD disposition = args[0]->Uint32Value();
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Local<Function> cb = Local<Function>::Cast(args[1]);
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// This creates our work request, including the libuv struct.
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Baton* baton = new Baton();
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baton->input = reinterpret_cast<void*>(new DWORD(disposition));
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baton->request.data = baton;
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NanAssignPersistent(baton->callback, cb);
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baton->reader = ObjectWrap::Unwrap<CardReader>(args.This());
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// Schedule our work request with libuv. Here you can specify the functions
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// that should be executed in the threadpool and back in the main thread
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// after the threadpool function completed.
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int status = uv_queue_work(uv_default_loop(),
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&baton->request,
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DoDisconnect,
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reinterpret_cast<uv_after_work_cb>(AfterDisconnect));
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assert(status == 0);
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NanReturnUndefined();
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}
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NAN_METHOD(CardReader::Transmit) {
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NanScope();
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// The first argument is the buffer to be transmitted.
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if (!Buffer::HasInstance(args[0])) {
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return NanThrowError("First argument must be a Buffer");
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}
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// The second argument is the length of the data to be received
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if (!args[1]->IsUint32()) {
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return NanThrowError("Second argument must be an integer");
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}
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// The third argument is the protocol to be used
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if (!args[2]->IsUint32()) {
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return NanThrowError("Third argument must be an integer");
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}
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// The fourth argument is the callback function
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if (!args[3]->IsFunction()) {
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return NanThrowError("Fourth argument must be a callback function");
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}
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Local<Object> buffer_data = args[0]->ToObject();
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uint32_t out_len = args[1]->Uint32Value();
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uint32_t protocol = args[2]->Uint32Value();
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Local<Function> cb = Local<Function>::Cast(args[3]);
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// This creates our work request, including the libuv struct.
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Baton* baton = new Baton();
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baton->request.data = baton;
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NanAssignPersistent(baton->callback, cb);
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baton->reader = ObjectWrap::Unwrap<CardReader>(args.This());
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TransmitInput *ti = new TransmitInput();
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ti->card_protocol = protocol;
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ti->in_data = new unsigned char[Buffer::Length(buffer_data)];
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ti->in_len = Buffer::Length(buffer_data);
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memcpy(ti->in_data, Buffer::Data(buffer_data), ti->in_len);
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ti->out_len = out_len;
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baton->input = ti;
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// Schedule our work request with libuv. Here you can specify the functions
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// that should be executed in the threadpool and back in the main thread
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// after the threadpool function completed.
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int status = uv_queue_work(uv_default_loop(),
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&baton->request,
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DoTransmit,
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reinterpret_cast<uv_after_work_cb>(AfterTransmit));
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assert(status == 0);
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NanReturnUndefined();
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}
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NAN_METHOD(CardReader::Control) {
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NanScope();
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// The first argument is the buffer to be transmitted.
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if (!Buffer::HasInstance(args[0])) {
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return NanThrowError("First argument must be a Buffer");
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}
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// The second argument is the control code to be used
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if (!args[1]->IsUint32()) {
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return NanThrowError("Second argument must be an integer");
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}
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// The third argument is output buffer
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if (!Buffer::HasInstance(args[2])) {
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return NanThrowError("Third argument must be a Buffer");
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}
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// The fourth argument is the callback function
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if (!args[3]->IsFunction()) {
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return NanThrowError("Fourth argument must be a callback function");
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}
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Local<Object> in_buf = args[0]->ToObject();
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DWORD control_code = args[1]->Uint32Value();
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Local<Object> out_buf = args[2]->ToObject();
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Local<Function> cb = Local<Function>::Cast(args[3]);
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// This creates our work request, including the libuv struct.
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Baton* baton = new Baton();
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baton->request.data = baton;
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NanAssignPersistent(baton->callback, cb);
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baton->reader = ObjectWrap::Unwrap<CardReader>(args.This());
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ControlInput *ci = new ControlInput();
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ci->control_code = control_code;
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ci->in_data = Buffer::Data(in_buf);
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ci->in_len = Buffer::Length(in_buf);
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ci->out_data = Buffer::Data(out_buf);
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ci->out_len = Buffer::Length(out_buf);
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baton->input = ci;
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// Schedule our work request with libuv. Here you can specify the functions
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// that should be executed in the threadpool and back in the main thread
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// after the threadpool function completed.
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int status = uv_queue_work(uv_default_loop(),
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&baton->request,
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DoControl,
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reinterpret_cast<uv_after_work_cb>(AfterControl));
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assert(status == 0);
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NanReturnUndefined();
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}
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NAN_METHOD(CardReader::Close) {
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NanScope();
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LONG result = SCARD_S_SUCCESS;
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CardReader* obj = ObjectWrap::Unwrap<CardReader>(args.This());
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uv_mutex_lock(&obj->m_mutex);
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if (obj->m_state == 0) {
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obj->m_state = 1;
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do {
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result = SCardCancel(obj->m_status_card_context);
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} while (uv_cond_timedwait(&obj->m_cond, &obj->m_mutex, 10000000) != 0);
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}
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uv_mutex_unlock(&obj->m_mutex);
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uv_mutex_destroy(&obj->m_mutex);
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uv_cond_destroy(&obj->m_cond);
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assert(uv_thread_join(&obj->m_status_thread) == 0);
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obj->m_status_thread = 0;
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NanReturnValue(NanNew<Number>(result));
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}
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void CardReader::HandleReaderStatusChange(uv_async_t *handle, int status) {
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NanScope();
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AsyncBaton* async_baton = static_cast<AsyncBaton*>(handle->data);
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AsyncResult* ar = async_baton->async_result;
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if (ar->do_exit) {
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uv_close(reinterpret_cast<uv_handle_t*>(&async_baton->async), CloseCallback); // necessary otherwise UV will block
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/* Emit end event */
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Handle<Value> argv[1] = {
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NanNew("_end"), // event name
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};
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NanMakeCallback(NanObjectWrapHandle(async_baton->reader), "emit", 1, argv);
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return;
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}
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if (ar->result == SCARD_S_SUCCESS) {
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const unsigned argc = 3;
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Handle<Value> argv[argc] = {
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NanUndefined(), // argument
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NanNew<Number>(ar->status),
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NanNewBufferHandle(reinterpret_cast<char*>(ar->atr), ar->atrlen)
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};
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NanCallback(NanNew(async_baton->callback)).Call(argc, argv);
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} else {
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Local<Value> err = NanError(error_msg("SCardGetStatusChange", ar->result).c_str());
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// Prepare the parameters for the callback function.
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const unsigned argc = 1;
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Handle<Value> argv[argc] = { err };
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NanCallback(NanNew(async_baton->callback)).Call(argc, argv);
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}
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}
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void CardReader::HandlerFunction(void* arg) {
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AsyncBaton* async_baton = static_cast<AsyncBaton*>(arg);
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CardReader* reader = async_baton->reader;
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async_baton->async_result = new AsyncResult();
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async_baton->async_result->do_exit = false;
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LONG result = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL, &reader->m_status_card_context);
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SCARD_READERSTATE card_reader_state = SCARD_READERSTATE();
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card_reader_state.szReader = reader->m_name.c_str();
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card_reader_state.dwCurrentState = SCARD_STATE_UNAWARE;
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bool keep_watching(result == SCARD_S_SUCCESS);
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while (keep_watching) {
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result = SCardGetStatusChange(reader->m_status_card_context, INFINITE, &card_reader_state, 1);
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keep_watching = ((result == SCARD_S_SUCCESS) &&
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(!reader->m_state) &&
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(!((card_reader_state.dwCurrentState & SCARD_STATE_UNKNOWN) ||
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(card_reader_state.dwCurrentState & SCARD_STATE_UNAVAILABLE))));
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uv_mutex_lock(&reader->m_mutex);
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if (reader->m_state == 1) {
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uv_cond_signal(&reader->m_cond);
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}
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if (!keep_watching) {
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reader->m_state = 2;
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}
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uv_mutex_unlock(&reader->m_mutex);
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async_baton->async_result->result = result;
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async_baton->async_result->status = card_reader_state.dwEventState;
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memcpy(async_baton->async_result->atr, card_reader_state.rgbAtr, card_reader_state.cbAtr);
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async_baton->async_result->atrlen = card_reader_state.cbAtr;
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uv_async_send(&async_baton->async);
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card_reader_state.dwCurrentState = card_reader_state.dwEventState;
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}
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async_baton->async_result->do_exit = true;
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uv_async_send(&async_baton->async);
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}
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void CardReader::DoConnect(uv_work_t* req) {
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Baton* baton = static_cast<Baton*>(req->data);
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ConnectInput *ci = static_cast<ConnectInput*>(baton->input);
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DWORD card_protocol;
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LONG result = SCARD_S_SUCCESS;
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CardReader* obj = baton->reader;
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/* Lock mutex */
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uv_mutex_lock(&obj->m_mutex);
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/* Is context established */
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if (!obj->m_card_context) {
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result = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL, &obj->m_card_context);
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}
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/* Connect */
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if (result == SCARD_S_SUCCESS) {
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result = SCardConnect(obj->m_card_context,
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obj->m_name.c_str(),
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ci->share_mode,
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ci->pref_protocol,
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&obj->m_card_handle,
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&card_protocol);
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}
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/* Unlock the mutex */
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uv_mutex_unlock(&obj->m_mutex);
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ConnectResult *cr = new ConnectResult();
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cr->result = result;
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if (!result) {
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cr->card_protocol = card_protocol;
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}
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baton->result = cr;
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}
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void CardReader::AfterConnect(uv_work_t* req, int status) {
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NanScope();
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Baton* baton = static_cast<Baton*>(req->data);
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ConnectInput *ci = static_cast<ConnectInput*>(baton->input);
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ConnectResult *cr = static_cast<ConnectResult*>(baton->result);
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if (cr->result) {
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Local<Value> err = NanError(error_msg("SCardConnect", cr->result).c_str());
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// Prepare the parameters for the callback function.
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const unsigned argc = 1;
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Handle<Value> argv[argc] = { err };
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NanCallback(NanNew(baton->callback)).Call(argc, argv);
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} else {
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NanObjectWrapHandle(baton->reader)->Set(NanNew(connected_symbol), NanTrue());
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const unsigned argc = 2;
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Handle<Value> argv[argc] = {
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NanNull(),
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NanNew<Number>(cr->card_protocol)
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};
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NanCallback(NanNew(baton->callback)).Call(argc, argv);
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}
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// The callback is a permanent handle, so we have to dispose of it manually.
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NanDisposePersistent(baton->callback);
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delete ci;
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delete cr;
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delete baton;
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}
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void CardReader::DoDisconnect(uv_work_t* req) {
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Baton* baton = static_cast<Baton*>(req->data);
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DWORD* disposition = reinterpret_cast<DWORD*>(baton->input);
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LONG result = SCARD_S_SUCCESS;
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CardReader* obj = baton->reader;
|
|
|
|
/* Lock mutex */
|
|
uv_mutex_lock(&obj->m_mutex);
|
|
/* Connect */
|
|
if (obj->m_card_handle) {
|
|
result = SCardDisconnect(obj->m_card_handle, *disposition);
|
|
if (result == SCARD_S_SUCCESS) {
|
|
obj->m_card_handle = 0;
|
|
}
|
|
}
|
|
|
|
/* Unlock the mutex */
|
|
uv_mutex_unlock(&obj->m_mutex);
|
|
|
|
baton->result = reinterpret_cast<void*>(new LONG(result));
|
|
}
|
|
|
|
void CardReader::AfterDisconnect(uv_work_t* req, int status) {
|
|
|
|
NanScope();
|
|
Baton* baton = static_cast<Baton*>(req->data);
|
|
LONG* result = reinterpret_cast<LONG*>(baton->result);
|
|
|
|
if (*result) {
|
|
Local<Value> err = NanError(error_msg("SCardDisconnect", *result).c_str());
|
|
|
|
// Prepare the parameters for the callback function.
|
|
const unsigned argc = 1;
|
|
Handle<Value> argv[argc] = { err };
|
|
NanCallback(NanNew(baton->callback)).Call(argc, argv);
|
|
} else {
|
|
NanObjectWrapHandle(baton->reader)->Set(NanNew(connected_symbol), NanFalse());
|
|
const unsigned argc = 1;
|
|
Handle<Value> argv[argc] = {
|
|
NanNull()
|
|
};
|
|
|
|
NanCallback(NanNew(baton->callback)).Call(argc, argv);
|
|
}
|
|
|
|
// The callback is a permanent handle, so we have to dispose of it manually.
|
|
NanDisposePersistent(baton->callback);
|
|
DWORD* disposition = reinterpret_cast<DWORD*>(baton->input);
|
|
delete disposition;
|
|
delete result;
|
|
delete baton;
|
|
}
|
|
|
|
void CardReader::DoTransmit(uv_work_t* req) {
|
|
|
|
Baton* baton = static_cast<Baton*>(req->data);
|
|
TransmitInput *ti = static_cast<TransmitInput*>(baton->input);
|
|
CardReader* obj = baton->reader;
|
|
|
|
SCARD_IO_REQUEST io_request;
|
|
TransmitResult *tr = new TransmitResult();
|
|
tr->data = new unsigned char[ti->out_len];
|
|
tr->len = ti->out_len;
|
|
LONG result = SCARD_E_INVALID_HANDLE;
|
|
|
|
/* Lock mutex */
|
|
uv_mutex_lock(&obj->m_mutex);
|
|
/* Connected? */
|
|
if (obj->m_card_handle) {
|
|
SCARD_IO_REQUEST send_pci = { ti->card_protocol, sizeof(SCARD_IO_REQUEST) };
|
|
result = SCardTransmit(obj->m_card_handle, &send_pci, ti->in_data, ti->in_len,
|
|
&io_request, tr->data, &tr->len);
|
|
}
|
|
|
|
/* Unlock the mutex */
|
|
uv_mutex_unlock(&obj->m_mutex);
|
|
|
|
tr->result = result;
|
|
|
|
baton->result = tr;
|
|
}
|
|
|
|
void CardReader::AfterTransmit(uv_work_t* req, int status) {
|
|
|
|
NanScope();
|
|
Baton* baton = static_cast<Baton*>(req->data);
|
|
TransmitInput *ti = static_cast<TransmitInput*>(baton->input);
|
|
TransmitResult *tr = static_cast<TransmitResult*>(baton->result);
|
|
|
|
if (tr->result) {
|
|
Local<Value> err = NanError(error_msg("SCardTransmit", tr->result).c_str());
|
|
|
|
// Prepare the parameters for the callback function.
|
|
const unsigned argc = 1;
|
|
Handle<Value> argv[argc] = { err };
|
|
NanCallback(NanNew(baton->callback)).Call(argc, argv);
|
|
} else {
|
|
const unsigned argc = 2;
|
|
Handle<Value> argv[argc] = {
|
|
NanNull(),
|
|
NanNewBufferHandle(reinterpret_cast<char*>(tr->data), tr->len)
|
|
};
|
|
|
|
NanCallback(NanNew(baton->callback)).Call(argc, argv);
|
|
}
|
|
|
|
|
|
// The callback is a permanent handle, so we have to dispose of it manually.
|
|
NanDisposePersistent(baton->callback);
|
|
delete [] ti->in_data;
|
|
delete ti;
|
|
delete [] tr->data;
|
|
delete tr;
|
|
delete baton;
|
|
}
|
|
|
|
void CardReader::DoControl(uv_work_t* req) {
|
|
|
|
Baton* baton = static_cast<Baton*>(req->data);
|
|
ControlInput *ci = static_cast<ControlInput*>(baton->input);
|
|
CardReader* obj = baton->reader;
|
|
|
|
ControlResult *cr = new ControlResult();
|
|
LONG result = SCARD_E_INVALID_HANDLE;
|
|
|
|
/* Lock mutex */
|
|
uv_mutex_lock(&obj->m_mutex);
|
|
/* Connected? */
|
|
if (obj->m_card_handle) {
|
|
result = SCardControl(obj->m_card_handle,
|
|
ci->control_code,
|
|
ci->in_data,
|
|
ci->in_len,
|
|
ci->out_data,
|
|
ci->out_len,
|
|
&cr->len);
|
|
}
|
|
|
|
/* Unlock the mutex */
|
|
uv_mutex_unlock(&obj->m_mutex);
|
|
|
|
cr->result = result;
|
|
|
|
baton->result = cr;
|
|
}
|
|
|
|
void CardReader::AfterControl(uv_work_t* req, int status) {
|
|
|
|
NanScope();
|
|
Baton* baton = static_cast<Baton*>(req->data);
|
|
ControlInput *ci = static_cast<ControlInput*>(baton->input);
|
|
ControlResult *cr = static_cast<ControlResult*>(baton->result);
|
|
|
|
if (cr->result) {
|
|
Local<Value> err = NanError(error_msg("SCardControl", cr->result).c_str());
|
|
|
|
// Prepare the parameters for the callback function.
|
|
const unsigned argc = 1;
|
|
Handle<Value> argv[argc] = { err };
|
|
NanCallback(NanNew(baton->callback)).Call(argc, argv);
|
|
} else {
|
|
const unsigned argc = 2;
|
|
Handle<Value> argv[argc] = {
|
|
NanNull(),
|
|
NanNew<Number>(cr->len)
|
|
};
|
|
|
|
NanCallback(NanNew(baton->callback)).Call(argc, argv);
|
|
}
|
|
|
|
|
|
// The callback is a permanent handle, so we have to dispose of it manually.
|
|
NanDisposePersistent(baton->callback);
|
|
delete ci;
|
|
delete cr;
|
|
delete baton;
|
|
}
|
|
|
|
void CardReader::CloseCallback(uv_handle_t *handle) {
|
|
|
|
/* cleanup process */
|
|
AsyncBaton* async_baton = static_cast<AsyncBaton*>(handle->data);
|
|
AsyncResult* ar = async_baton->async_result;
|
|
delete ar;
|
|
NanDisposePersistent(async_baton->callback);
|
|
SCardReleaseContext(async_baton->reader->m_status_card_context);
|
|
delete async_baton;
|
|
}
|