void Grid::EIO_AfterEncode(uv_work_t* req)
{
NanScope();
encode_grid_baton_t *closure = static_cast<encode_grid_baton_t *>(req->data);
if (closure->error)
{
// There is no known ways to throw errors in the processing prior
// so simply removing the following from coverage
/* LCOV_EXCL_START */
Local<Value> argv[1] = { NanError(closure->error_name.c_str()) };
NanMakeCallback(NanGetCurrentContext()->Global(), NanNew(closure->cb), 1, argv);
/* LCOV_EXCL_END */
}
else
{
// convert key order to proper javascript array
Local<Array> keys_a = NanNew<Array>(closure->key_order.size());
std::vector<std::string>::iterator it;
unsigned int i;
for (it = closure->key_order.begin(), i = 0; it < closure->key_order.end(); ++it, ++i)
{
keys_a->Set(i, NanNew((*it).c_str()));
}
mapnik::grid const& grid_type = *closure->g->get();
// gather feature data
Local<Object> feature_data = NanNew<Object>();
if (closure->add_features) {
node_mapnik::write_features<mapnik::grid>(grid_type,
feature_data,
closure->key_order);
}
// Create the return hash.
Local<Object> json = NanNew<Object>();
Local<Array> grid_array = NanNew<Array>(closure->lines.size());
unsigned array_size = std::ceil(grid_type.width()/static_cast<float>(closure->resolution));
for (unsigned j=0;j<closure->lines.size();++j)
{
node_mapnik::grid_line_type const & line = closure->lines[j];
grid_array->Set(j, NanNew<String>(line.get(),array_size));
}
json->Set(NanNew("grid"), grid_array);
json->Set(NanNew("keys"), keys_a);
json->Set(NanNew("data"), feature_data);
Local<Value> argv[2] = { NanNull(), NanNew(json) };
NanMakeCallback(NanGetCurrentContext()->Global(), NanNew(closure->cb), 2, argv);
}
closure->g->Unref();
NanDisposePersistent(closure->cb);
delete closure;
}
/*
DESCRIPTION
Callback function of Get Connection method
PARAMETERS:
UV queue work block
NOTES:
Connection handle is formed and handed over to JS.
*/
void Oracledb::Async_AfterGetConnection (uv_work_t *req)
{
NanScope();
connectionBaton *connBaton = (connectionBaton*)req->data;
v8::TryCatch tc;
Handle<Value> argv[2];
if( !(connBaton->error).empty() )
{
argv[0] = v8::Exception::Error(NanNew<v8::String>( (connBaton->error).c_str() ));
argv[1] = NanNull();
}
else
{
argv[0] = NanUndefined();
Local<FunctionTemplate> lft = NanNew(Connection::connectionTemplate_s);
Handle<Object> connection = lft->GetFunction()-> NewInstance();
(ObjectWrap::Unwrap<Connection> (connection))->
setConnection( connBaton->dpiconn,
connBaton->oracledb );
argv[1] = connection;
}
Local<Function> callback = NanNew(connBaton->cb);
delete connBaton;
NanMakeCallback( NanGetCurrentContext()->Global(),
callback, 2, argv );
if(tc.HasCaught())
node::FatalException(tc);
}
void CoreClrFuncInvokeContext::InvokeCallback(void* data)
{
DBG("CoreClrFuncInvokeContext::InvokeCallback");
CoreClrFuncInvokeContext* context = (CoreClrFuncInvokeContext*)data;
v8::Handle<v8::Value> callbackData = NanNull();
v8::Handle<v8::Value> errors = NanNull();
if (context->taskState == TaskStatus::Faulted)
{
errors = CoreClrFunc::MarshalCLRToV8(context->resultData, context->resultType);
}
else
{
callbackData = CoreClrFunc::MarshalCLRToV8(context->resultData, context->resultType);
}
Handle<Value> argv[] = { errors, callbackData };
int argc = 2;
TryCatch tryCatch;
NanNew<v8::Function>(*(context->callback))->Call(NanGetCurrentContext()->Global(), argc, argv);
delete context;
if (tryCatch.HasCaught())
{
node::FatalException(tryCatch);
}
}
Handle<Value> TypedArray::New(GDALDataType type, unsigned int length) {
NanEscapableScope();
Handle<Value> val;
Handle<Function> constructor;
Local<Object> global = NanGetCurrentContext()->Global();
const char *name;
switch(type) {
case GDT_Byte: name = "Uint8Array"; break;
case GDT_Int16: name = "Int16Array"; break;
case GDT_UInt16: name = "Uint16Array"; break;
case GDT_Int32: name = "Int32Array"; break;
case GDT_UInt32: name = "Uint32Array"; break;
case GDT_Float32: name = "Float32Array"; break;
case GDT_Float64: name = "Float64Array"; break;
default:
NanThrowError("Unsupported array type");
return NanEscapeScope(NanUndefined());
}
// make ArrayBuffer
val = global->Get(NanNew("ArrayBuffer"));
if(val.IsEmpty() || !val->IsFunction()) {
NanThrowError("Error getting ArrayBuffer constructor");
return NanEscapeScope(NanUndefined());
}
constructor = val.As<Function>();
Local<Value> size = NanNew<Integer>(length * GDALGetDataTypeSize(type) / 8);
Local<Value> array_buffer = constructor->NewInstance(1, &size);
if(array_buffer.IsEmpty() || !array_buffer->IsObject()) {
NanThrowError("Error allocating ArrayBuffer");
return NanEscapeScope(NanUndefined());
}
// make TypedArray
val = global->Get(NanNew(name));
if(val.IsEmpty() || !val->IsFunction()) {
NanThrowError("Error getting typed array constructor");
return NanEscapeScope(NanUndefined());
}
constructor = val.As<Function>();
Local<Object> array = constructor->NewInstance(1, &array_buffer);
if(array.IsEmpty() || !array->IsObject()) {
NanThrowError("Error creating TypedArray");
return NanEscapeScope(NanUndefined());
}
return NanEscapeScope(array);
}
void Grid::EIO_AfterClear(uv_work_t* req)
{
NanScope();
clear_grid_baton_t *closure = static_cast<clear_grid_baton_t *>(req->data);
if (closure->error)
{
Local<Value> argv[1] = { NanError(closure->error_name.c_str()) };
NanMakeCallback(NanGetCurrentContext()->Global(), NanNew(closure->cb), 1, argv);
}
else
{
Local<Value> argv[2] = { NanNull() };
NanMakeCallback(NanGetCurrentContext()->Global(), NanNew(closure->cb), 1, argv);
}
closure->g->Unref();
NanDisposePersistent(closure->cb);
delete closure;
}
void Grid::EIO_AfterClear(uv_work_t* req)
{
NanScope();
clear_grid_baton_t *closure = static_cast<clear_grid_baton_t *>(req->data);
if (closure->error)
{
// There seems to be no possible way for the exception to be thrown in the previous
// process and therefore not possible to have an error here so removing it from code
// coverage
/* LCOV_EXCL_START */
Local<Value> argv[1] = { NanError(closure->error_name.c_str()) };
NanMakeCallback(NanGetCurrentContext()->Global(), NanNew(closure->cb), 1, argv);
/* LCOV_EXCL_END */
}
else
{
Local<Value> argv[2] = { NanNull(), NanObjectWrapHandle(closure->g) };
NanMakeCallback(NanGetCurrentContext()->Global(), NanNew(closure->cb), 2, argv);
}
closure->g->Unref();
NanDisposePersistent(closure->cb);
delete closure;
}
void OracleClient::EIO_AfterConnect(uv_work_t* req, int status) {
UNI_SCOPE(scope);
ConnectBaton* baton = static_cast<ConnectBaton*>(req->data);
baton->client->Unref();
Handle<Value> argv[2];
if(baton->error) {
argv[0] = Exception::Error(NanNew<String>(baton->error->c_str()));
argv[1] = NanUndefined();
} else {
argv[0] = NanUndefined();
Handle<Object> connection = uni::Deref(Connection::constructorTemplate)->GetFunction()->NewInstance();
(node::ObjectWrap::Unwrap<Connection>(connection))->setConnection(baton->client->m_environment, baton->connection);
argv[1] = connection;
}
NanMakeCallback(NanGetCurrentContext()->Global(), uni::Deref(baton->callback), 2, argv);
delete baton;
delete req;
}
void NodeFileSource::processAdd(const mbgl::Resource& resource) {
NanScope();
// Make sure the loop stays alive as long as request is pending.
if (pending.empty()) {
queue->ref();
}
auto requestHandle = NanNew<v8::Object>(NodeRequest::Create(this, resource));
v8::Persistent<v8::Object> requestPersistent;
NanAssignPersistent(requestPersistent, requestHandle);
pending.emplace(resource, std::move(requestPersistent));
#if (NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION)
auto requestFunction = v8::Local<v8::Object>::New(v8::Isolate::GetCurrent(), options)->Get(NanNew("request")).As<v8::Function>();
#else
auto requestFunction = options->Get(NanNew("request")).As<v8::Function>();
#endif
v8::Local<v8::Value> argv[] = { requestHandle };
NanMakeCallback(NanGetCurrentContext()->Global(), requestFunction, 1, argv);
}
/*
DESCRIPTION
Worker Function of CreatePool.
PARAMETERS:
UV queue work block
NOTES:
Pool handle is created and handed over to JS.
*/
void Oracledb::Async_AfterCreatePool (uv_work_t *req)
{
NanScope() ;
connectionBaton *poolBaton = (connectionBaton *)req->data;
v8::TryCatch tc;
Handle<Value> argv[2];
if (!poolBaton->error.empty())
{
argv[0] = v8::Exception::Error(NanNew<v8::String>(( poolBaton->error).c_str() ));
argv[1] = NanUndefined();
}
else
{
argv[0] = NanUndefined ();
Handle<Object> njsPool = NanNew(Pool::poolTemplate_s)->
GetFunction() ->NewInstance();
(ObjectWrap::Unwrap<Pool> (njsPool))-> setPool ( poolBaton->dpipool,
poolBaton->oracledb,
poolBaton->poolMax,
poolBaton->poolMin,
poolBaton->poolIncrement,
poolBaton->poolTimeout,
poolBaton->stmtCacheSize,
poolBaton->lobPrefetchSize);
argv[1] = njsPool;
}
Local<Function> callback = NanNew(poolBaton->cb);
delete poolBaton;
NanMakeCallback ( NanGetCurrentContext()->Global(),
callback, 2, argv);
if(tc.HasCaught())
{
node::FatalException (tc);
}
}
void NodeFileSource::processCancel(const mbgl::Resource& resource) {
NanScope();
auto it = pending.find(resource);
if (it == pending.end()) {
// The response callback was already fired. There is no point in calling the cancelation
// callback because the request is already completed.
} else {
#if (NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION)
auto requestHandle = v8::Local<v8::Object>::New(v8::Isolate::GetCurrent(), it->second);
it->second.Reset();
#else
auto requestHandle = NanNew<v8::Object>(it->second);
NanDisposePersistent(it->second);
#endif
pending.erase(it);
// Make sure the the loop can exit when there are no pending requests.
if (pending.empty()) {
queue->unref();
}
#if (NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION)
auto optionsObject = v8::Local<v8::Object>::New(v8::Isolate::GetCurrent(), options);
if (optionsObject->Has(NanNew("cancel"))) {
auto cancelFunction = optionsObject->Get(NanNew("cancel")).As<v8::Function>();
#else
if (options->Has(NanNew("cancel"))) {
auto cancelFunction = options->Get(NanNew("cancel")).As<v8::Function>();
#endif
v8::Local<v8::Value> argv[] = { requestHandle };
NanMakeCallback(NanGetCurrentContext()->Global(), cancelFunction, 1, argv);
}
// Set the request handle in the request wrapper handle to null
node::ObjectWrap::Unwrap<NodeRequest>(requestHandle)->cancel();
}
}
void NodeFileSource::notify(const mbgl::Resource& resource, const std::shared_ptr<const mbgl::Response>& response) {
// First, remove the request, since it might be destructed at any point now.
auto it = pending.find(resource);
if (it != pending.end()) {
#if (NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION)
it->second.Reset();
#else
NanDisposePersistent(it->second);
#endif
pending.erase(it);
// Make sure the the loop can exit when there are no pending requests.
if (pending.empty()) {
queue->unref();
}
}
std::lock_guard<std::mutex> lock(observersMutex);
auto observersIt = observers.find(resource);
if (observersIt == observers.end()) {
return;
}
observersIt->second->notify(response);
observers.erase(observersIt);
}
