//============================================================
// <T>析构脚本工作器。</T>
//
// @return 处理结果
//============================================================
TResult FMonoLibrary::Open(){
TResult resultCd = FScriptLibrary::Open();
// 打开资源
FAssetStream* pStream = RAssetManager::Instance().OpenAssetStreamFormat(_name);
MO_ERROR_CHECK(pStream, return NULL, "Open template stream failure. (name=%s)", (TCharC*)_name);
// 加载映像
MonoImageOpenStatus statusCd = MONO_IMAGE_IMAGE_INVALID;
_pMonoImage = mono_image_open_from_data_full((TChar*)pStream->MemoryC(), pStream->Length(), true, &statusCd, false);
MO_FATAL_CHECK(_pMonoImage, return EFailure, "Open assembly image failure. (name=%s)", (TCharC*)_name);
if(statusCd != MONO_IMAGE_OK){
MO_FATAL("Open assembly image failure. (file_name=%s)", _name);
return EFailure;
}
// 加载装配数据
MonoImageOpenStatus assemblyStatusCd = MONO_IMAGE_IMAGE_INVALID;
MonoAssembly* pAssembly = mono_assembly_load_from_full(_pMonoImage, _name, &assemblyStatusCd, false);
MO_FATAL_CHECK(pAssembly, return EFailure, "Load assembly failure. (name=%s)", (TCharC*)_name);
if(mono_assembly_get_image(pAssembly) != _pMonoImage){
MO_FATAL("Check mono image failure. (image=0x%08X)", _pMonoImage);
return EFailure;
}
// 释放资源
RAssetManager::Instance().CloseAssetStream(pStream);
return resultCd;
}
/**
* Starts the mono runtime, and loads the encapsulated assembly, unless
* it's already been loaded.
*/
void sp_ensure_runtime()
{
/* Check that the runtime hasn't already been started. */
if (runtime_started) {
return;
}
/* Initialise the JIT. */
m_domain = mono_jit_init_version(__assembly_info.name, __assembly_info.version);
if (!m_domain) {
printf("error: unable to create mono domain\n");
_exit(0);
}
/* Open the assembly image, from the data inside the object
* file. This data is accessed via the special symbols created
* when the PE is linked in as a binary object.
*/
m_image = mono_image_open_from_data(&_binary_test_dll_start, &_binary_test_dll_end - &_binary_test_dll_start, 0, NULL);
if (!m_image) {
printf("error: unable to open assembly image\n");
_exit(0);
}
/* Now, load the assembly. */
m_assembly = mono_assembly_load_from_full(m_image, __assembly_info.name, NULL, 0);
if (!m_assembly) {
printf("error: unable to load assembly\n");
_exit(0);
}
/* Mark the runtime as started, just in case we neglected to
* rewrite some function stubs. */
runtime_started = 1;
}
Error GDMonoAssembly::load(MonoDomain *p_domain) {
ERR_FAIL_COND_V(loaded, ERR_FILE_ALREADY_IN_USE);
uint64_t last_modified_time = FileAccess::get_modified_time(path);
Vector<uint8_t> data = FileAccess::get_file_as_array(path);
ERR_FAIL_COND_V(data.empty(), ERR_FILE_CANT_READ);
String image_filename(path);
MonoImageOpenStatus status;
image = mono_image_open_from_data_with_name(
(char *)&data[0], data.size(),
true, &status, false,
image_filename.utf8().get_data());
ERR_FAIL_COND_V(status != MONO_IMAGE_OK || image == NULL, ERR_FILE_CANT_OPEN);
#ifdef DEBUG_ENABLED
String pdb_path(path + ".pdb");
if (!FileAccess::exists(pdb_path)) {
pdb_path = path.get_basename() + ".pdb"; // without .dll
if (!FileAccess::exists(pdb_path))
goto no_pdb;
}
pdb_data.clear();
pdb_data = FileAccess::get_file_as_array(pdb_path);
mono_debug_open_image_from_memory(image, &pdb_data[0], pdb_data.size());
no_pdb:
#endif
assembly = mono_assembly_load_from_full(image, image_filename.utf8().get_data(), &status, false);
ERR_FAIL_COND_V(status != MONO_IMAGE_OK || assembly == NULL, ERR_FILE_CANT_OPEN);
if (p_domain && mono_image_get_entry_point(image)) {
// TODO should this be removed? do we want to call main? what other effects does this have?
mono_jit_exec(p_domain, assembly, 0, NULL);
}
loaded = true;
modified_time = last_modified_time;
return OK;
}
//#####################################################################
// Function loadAssembly
//#####################################################################
bool MonoSystem::loadMemoryAssembly(char* membuf, unsigned int len) const {
MonoAssembly *ass;
MonoImageOpenStatus status = MONO_IMAGE_OK;
MonoImage *image = mono_image_open_from_data_full(membuf, len, TRUE, &status, false);
if (!image) { // bad image format
printf("Error loading image from memory: %d\n", status);
return false;
}
ass = mono_assembly_load_from_full (image, "", &status, false);
if (!ass) {
printf("Error loading assembly from memory: %d\n", status); // FIXME real error reporting
// bad image format?
mono_image_close (image);
return false;
}
return true;
}
bool Application::StartMonoAndLoadAssemblies()
{
// shutdown the child domain
StopMono();
// create a new child domain
if (!StartMono()) {
mono_environment_exitcode_set(-1);
return true;
}
std::string dll = "EmbedThings.dll";
std::string filename = File::BuildRootedPath(assemblyDir, dll);
size_t length;
// read our entry point assembly
char* data = File::Read(filename.c_str(), &length);
printf_console("Loading %s into Domain\n", dll.c_str());
MonoImageOpenStatus status;
// open the assembly from the data we read, so we never lock files
auto image = mono_image_open_from_data_with_name(data, length, true /* copy data */, &status, false /* ref only */, filename.c_str());
if (status != MONO_IMAGE_OK || image == nullptr)
{
printf_console("Failed loading assembly %s\n", dll);
return true;
}
// load the assembly
auto assembly = mono_assembly_load_from_full(image, filename.c_str(), &status, false);
if (status != MONO_IMAGE_OK || assembly == nullptr)
{
mono_image_close(image);
printf_console("Failed loading assembly %s\n", dll);
return true;
}
// save the image for lookups later and for cleaning up
images.push_back(image);
if (!assembly) {
printf_console("Couldn't find assembly %s\n", filename.c_str());
return true;
}
// locate the class we want to load
MonoClass* klass = mono_class_from_name(image, "EmbedThings", "EntryPoint");
if (klass == nullptr) {
printf_console("Failed loading class %s\n", "EmbedThings.EntryPoint");
return true;
}
// create the class (doesn't run constructors)
MonoObject* obj = mono_object_new(mono_domain_get(), klass);
if (obj == nullptr) {
printf_console("Failed loading class instance %s\n", "EmbedThings.EntryPoint");
return true;
}
// initialize the class instance (runs default constructors)
mono_runtime_object_init(obj);
if (obj == nullptr) {
printf_console("Failed initializing class instance %s\n", "EmbedThings.EntryPoint");
return true;
}
// save the class instance for lookups later
instances.push_back(obj);
// find the Run() method
auto method = find_method(klass, "Run");
MonoObject *result, *exception;
// call the Run method. This will block until the managed code decides to exit
result = mono_runtime_invoke(method, obj, NULL, NULL);
int val = *(int*)mono_object_unbox(result);
// if the managed code returns with 0, it wants to exit completely
if (val == 0) {
return true;
}
return false;
}
void MonoAssembly::load(MonoDomain* domain)
{
if (mIsLoaded)
unload();
// Load assembly from memory because mono_domain_assembly_open keeps a lock on the file
SPtr<DataStream> assemblyStream = FileSystem::openFile(mPath, true);
if (assemblyStream == nullptr)
{
LOGERR("Cannot load assembly at path \"" + toString(mPath) + "\" because the file doesn't exist");
return;
}
UINT32 assemblySize = (UINT32)assemblyStream->size();
char* assemblyData = (char*)bs_stack_alloc(assemblySize);
assemblyStream->read(assemblyData, assemblySize);
String imageName = Path(mPath).getFilename();
MonoImageOpenStatus status = MONO_IMAGE_OK;
MonoImage* image = mono_image_open_from_data_with_name(assemblyData, assemblySize, true, &status, false, imageName.c_str());
bs_stack_free(assemblyData);
if (status != MONO_IMAGE_OK || image == nullptr)
{
LOGERR("Failed loading image data for assembly \"" + toString(mPath) + "\"");
return;
}
// Load MDB file
#if BS_DEBUG_MODE
Path mdbPath = mPath + L".mdb";
if (FileSystem::exists(mdbPath))
{
SPtr<DataStream> mdbStream = FileSystem::openFile(mdbPath, true);
if (mdbStream != nullptr)
{
UINT32 mdbSize = (UINT32)mdbStream->size();
mDebugData = (UINT8*)bs_alloc(mdbSize);
mdbStream->read(mDebugData, mdbSize);
mono_debug_open_image_from_memory(image, mDebugData, mdbSize);
}
}
#endif
mMonoAssembly = mono_assembly_load_from_full(image, imageName.c_str(), &status, false);
if (status != MONO_IMAGE_OK || mMonoAssembly == nullptr)
{
LOGERR("Failed loading assembly \"" + toString(mPath) + "\"");
return;
}
mMonoImage = image;
if(mMonoImage == nullptr)
{
BS_EXCEPT(InvalidParametersException, "Cannot get script assembly image.");
}
mIsLoaded = true;
mIsDependency = false;
}
void *new_mono_assembly_load_from_full(void *image, const char *fname,
int *status, int refonly) {
return mono_assembly_load_from_full(image, fname, status, refonly);
}