Core CLR 自定义的Host官方推荐的一种形式（第一种）

  1 #include "stdafx.h"
  2 
  3 dataSize, double* data, report_callback_ptr callbackFunction);
  4 void BuildTpaList(const char* directory, const char* extension, std::string& tpaList);
  5 
  6 typedef void (STDMETHODCALLTYPE MainMethodFp)(LPWSTR* args);
  7 
  8 typedef char*(*doWork_ptr)(char* abc);
  9 int main(int argc, char* argv[])
 10 {
 11     HMODULE coreClr = LoadLibraryExA((LPCSTR)("coreclr.dll"), NULL, 0);
 12 
 13     coreclr_initialize_ptr initializeCoreClr = (coreclr_initialize_ptr)GetProcAddress(coreClr, "coreclr_initialize");
 14     coreclr_create_delegate_ptr createManagedDelegate = (coreclr_create_delegate_ptr)GetProcAddress(coreClr, "coreclr_create_delegate");
 15     coreclr_shutdown_ptr shutdownCoreClr = (coreclr_shutdown_ptr)GetProcAddress(coreClr, "coreclr_shutdown");
 16     coreclr_execute_assembly_ptr executeAssembly = (coreclr_execute_assembly_ptr)GetProcAddress(coreClr, "coreclr_execute_assembly");
 17     std::string tpaList;
 18     
 19     BuildTpaList(runtimePath, ".dll", tpaList);
 20     const char* propertyKeys[] = {
 21         "TRUSTED_PLATFORM_ASSEMBLIES"      // Trusted assemblies
 22     };
 23 
 24     const char* propertyValues[] = {
 25         tpaList.c_str()
 26     };
 27 
 28     void* hostHandle;
 29     unsigned int domainId;
 30 
 31     int hr = initializeCoreClr(
 32         runtimePath,        // App base path
 33         "SampleHost",       // AppDomain friendly name
 34         sizeof(propertyKeys) / sizeof(char*),   // Property count
 35         propertyKeys,       // Property names
 36         propertyValues,     // Property values
 37         &hostHandle,        // Host handle
 38         &domainId);         // AppDomain ID
 39     
 40     doWork_ptr managedDelegate;
 41     hr = createManagedDelegate(
 42         hostHandle,
 43         domainId,
 44         "Main, Version=1.0.0.0",
 45         "Main.Program",
 46         "Main",
 47         (void**)&managedDelegate);
 48 
 49     ((MainMethodFp*)managedDelegate)(NULL);
 50     double data[4];
 51     data[0] = 0;
 52     data[1] = 0.25;
 53     data[2] = 0.5;
 54     data[3] = 0.75;
 55 
 56     // Invoke the managed delegate and write the returned string to the console
 57     //char* ret = managedDelegate("Test job", 5, sizeof(data) / sizeof(double), data, ReportProgressCallback);
 58 
 59     //printf("Managed code returned: %s\n", ret);
 60 
 61     //CoTaskMemFree(ret);
 62 
 63     hr = shutdownCoreClr(hostHandle, domainId);
 64 
 65     if (!FreeLibrary(coreClr))
 66     {
 67         printf("Failed to free coreclr.dll\n");
 68     }
 69     return 0;
 70 }
 71 
 72 
 73 void BuildTpaList(const char* directory, const char* extension, std::string& tpaList)
 74 {
 75 
 76     std::string searchPath(directory);
 77     searchPath.append("\\");
 78     searchPath.append("*");
 79     searchPath.append(extension);
 80 
 81     WIN32_FIND_DATAA findData;
 82     HANDLE fileHandle = FindFirstFileA(searchPath.c_str(), &findData);
 83     
 84     if (fileHandle != INVALID_HANDLE_VALUE)
 85     {
 86         do
 87         {
 88             tpaList.append(directory);
 89             tpaList.append("\\");
 90             tpaList.append(findData.cFileName);
 91             tpaList.append(";");
 92 
 93         } while (FindNextFileA(fileHandle, &findData));
 94         FindClose(fileHandle);
 95     }
 96 }
 97 
 98 
 99 
100 int ReportProgressCallback(int progress)
101 {
102     printf("Received status from managed code: %d\n", progress);
103     return -progress;
104 }



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