2025-11-28 00:35:46 +09:00

174 lines
4.8 KiB
C++

#include "stdafx.h"
#include <string.h>
#include <windows.h>
#include <string.h>
#include <limits.h>
#include <bits3_0.h>
#include <comdef.h>
#include <Userenv.h>
#include <winerror.h>
#include <objbase.h>
#include <tchar.h>
#include <strsafe.h>
void _cdecl _tmain( int argc, LPWSTR argv[])
{
GUID guidJob;
HRESULT hr;
IBackgroundCopyManager *pQueueMgr;
IBackgroundCopyJob* pJob = NULL;
if (argc != 3)
{
wprintf(L"Usage:");
wprintf(L"%s", argv[0]);
wprintf(L"[remote name] [local name]\n");
return;
}
//Specify the COM threading model.
hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
if (SUCCEEDED(hr))
{
//The impersonation level must be at least RPC_C_IMP_LEVEL_IMPERSONATE.
hr = CoInitializeSecurity(NULL, -1, NULL, NULL,
RPC_C_AUTHN_LEVEL_CONNECT,
RPC_C_IMP_LEVEL_IMPERSONATE,
NULL, EOAC_NONE, 0);
if (SUCCEEDED(hr))
{
// Connect to BITS
hr = CoCreateInstance(__uuidof(BackgroundCopyManager), NULL,
CLSCTX_LOCAL_SERVER,
__uuidof(IBackgroundCopyManager),
(void **)&pQueueMgr);
if (FAILED(hr))
{
// FAiled to connect
wprintf(L"CoCreateInstance failed with error: %x\n",hr);
goto done;
}
// Create a Job
hr = pQueueMgr->CreateJob(L"MyJobName",
BG_JOB_TYPE_DOWNLOAD,
&guidJob,
&pJob);
if(FAILED(hr))
{
wprintf(L"CreateJob failed with error: %x\n",hr);
pQueueMgr->Release();
goto done;
}
// Get the pointer to cache control
IBitsPeerCacheAdministration* pCacheControl = NULL;
hr = pQueueMgr->QueryInterface(__uuidof(IBitsPeerCacheAdministration), (void **) &pCacheControl);
if (FAILED(hr))
{
wprintf(L"pJob->QueryInterface failed with error: %x\n",hr);
wprintf(L"Cancelling Job\n");
goto cancel;
}
// Free Resources
pQueueMgr->Release();
// Add a File
hr = pJob->AddFile(argv[1], argv[2]);
if (FAILED(hr))
{
wprintf(L"AddFile failed with error: %x\n",hr);
wprintf(L"Cancelling Job\n");
goto cancel;
}
// Enable local caching for this job
hr = pCacheControl->SetConfigurationFlags(BG_ENABLE_PEERCACHING_CLIENT
|| BG_ENABLE_PEERCACHING_SERVER);
if (FAILED(hr))
{
wprintf(L"SetPolicyFlags failed with error: %x\n",hr);
wprintf(L"Cancelling Job\n");
pCacheControl->Release();
goto cancel;
}
// Set Max Cache Size to 2% of disk
hr = pCacheControl->SetMaximumCacheSize(2);
if (FAILED(hr))
{
// Resume Failed
wprintf(L"SetMaximumCacheSize failed with error: %x\n",hr);
wprintf(L"Cancelling Job\n");
goto cancel;
}
// Free resources
pCacheControl->Release();
//Resume the job
hr = pJob->Resume();
if (FAILED(hr))
{
// Resume Failed
wprintf(L"Resume failed with error: %x\n",hr);
wprintf(L"Cancelling Job\n");
goto cancel;
}
//Wait for completion
BG_JOB_STATE dwStatus = (BG_JOB_STATE)0;
DWORD dwLimit = GetTickCount() + (5 * 60 * 1000); // set 5 minute limit
while (dwLimit > GetTickCount())
{
hr = pJob->GetState( &dwStatus);
if (FAILED(hr))
{
wprintf(L"Job->GetState failed with error: %x\n",hr);
wprintf(L"Cancelling Job\n");
goto cancel;
}
//If the transfer is complete or enters an error state, exit
if (dwStatus & (BG_JOB_STATE_TRANSFERRED|BG_JOB_STATE_ERROR))
{
break;
}
Sleep(1000);
}
if (dwStatus & BG_JOB_STATE_TRANSFERRED)
{
hr = pJob->Complete();
if (FAILED(hr))
{
wprintf(L"Job->Complete failed with error: %x\n",hr);
}
}
else
{
hr = pJob->Cancel();
if (FAILED(hr))
{
wprintf(L"Job->Cancel failed with error: %x\n",hr);
}
}
pJob->Release();
}
done:
CoUninitialize();
}
return;
cancel:
pJob->Cancel();
pJob->Release();
goto done;
}