ileaddownloaderdll.h

个人封装的一个VC++支持多任务、多线程断点续传的DLL组件

// ileadsoft gd 2008-7-22
// 多任务多线程断点下载DLL

#ifdef ILEADDOWNLOADDLL_EXPORTS
#define ILEADDOWNLOADDLL_API __declspec(dllexport)
#else
#define ILEADDOWNLOADDLL_API __declspec(dllimport)
#endif

// -1:重复初始化 1:初始化成功
extern "C" ILEADDOWNLOADDLL_API int iLeadDownloaderInit( HWND hWnd_RecvLogMsg );   // 主窗口句柄
extern "C" ILEADDOWNLOADDLL_API void iLeadDownloaderEnd();

// -1:未初始化
extern "C" ILEADDOWNLOADDLL_API int iLeadDownloaderGetTaskNum();

// -1:未初始化 n:新加入的任务的编号
extern "C" ILEADDOWNLOADDLL_API int iLeadDownloaderAddTask( char *pszUrl, char *pszSavePath, char *pszSaveFileName, int nThreadNum );

// -1:未初始化或任务编号超出范围
extern "C" ILEADDOWNLOADDLL_API	int iLeadDownloaderSelTask( int nPos );  // 选中一个任务

// -1:未初始化或无任务
extern "C" ILEADDOWNLOADDLL_API	int iLeadDownloaderRemoveTask();		  // 删除选中的任务

// 查询一个任务的状态 -1:未初始化或任务编号超出范围
extern "C" ILEADDOWNLOADDLL_API	int iLeadDownloaderQueryState( int nPos, 
															   int &nFileTotaleSize, 
															   int &nTotalDownloadedSize,
															   int &nTotalDownloadedSize_ThisTimes,
															   int &nDownloadElapsedTime );