[置顶] Windows内存映射文件打造极速复制（速度已和ExtremeCopy商业软件相当)

/* * Copyright (c) purelib 2012⑵015. */ #include <purelib/movable_window.h> #include <purelib/file_mapping.h> #include <purelib/controls.h> #include <purelib/nsconv.h> #include <thread> using namespace purelib; using namespace purelib::gui; using namespace purelib::filesystem; #ifdef _DEBUG #pragma comment(lib, "purelib32_d.lib") #else #pragma comment(lib, "purelib32.lib") #endif class fixed_window : public movable_window { public: fixed_window() { append_style(WS_OVERLAPPED | WS_MINIMIZEBOX | WS_SYSMENU); } }; class extremely_copier : public fixed_window { public: extremely_copier() { set_opacity(0.95f); set_text(L"extremely_copier"); resize(700, 360); int delta = 30; this->input_.reset(new controls::xxedit(L"D:vs2013.4_ult_chs.iso", 17, 10, 200, 25, *this, WS_BORDER | ES_AUTOHSCROLL)); this->input_->set_font(purelib::gui::DEF_FONT_NORM_10); this->input_->set_left(5); this->input_->set_top(5); this->output_.reset(new controls::xxedit(L"D:TDDOWNLOADakvs2013.4_ult_chs.iso", 17, 10, 200, 25, *this, WS_BORDER | ES_AUTOHSCROLL)); this->output_->set_font(purelib::gui::DEF_FONT_NORM_10); this->output_->set_left(350 + 20); this->output_->set_top(5); this->time_used_.reset(new controls::xxedit(L"00:00:00", 17, 10, 200, 25, *this, WS_BORDER | ES_READONLY | ES_AUTOHSCROLL)); this->time_used_->set_font(purelib::gui::DEF_FONT_NORM_10); this->time_used_->set_left(5); this->time_used_->set_top(100); this->launcher_.reset(new controls::xxbutton(L"启动复制", 17, 10, 118, 25, *this, WS_BORDER | BS_PUSHBUTTON)); this->launcher_->set_font(purelib::gui::DEF_FONT_BOLD_10); this->launcher_->set_left(this->output_->get_location().x + this->output_->get_size().width); this->launcher_->set_top(280 + 15 + delta); this->cachesize_.reset(new controls::xxedit(L"8192", 17, 10, 200, 25, *this, WS_BORDER | ES_AUTOHSCROLL | ES_NUMBER)); this->cachesize_->set_font(purelib::gui::DEF_FONT_NORM_10); this->cachesize_->set_left(this->output_->get_location().x + this->output_->get_size().width - delta - this->cachesize_->get_size().width); this->cachesize_->set_top(280 + 15 + delta); progress_.reset(new controls::xxprogressbar(17, 280, 670, 25, *this)); register_event(WM_TIMER, [this](void){ ++time_used_seconds_; auto hh = time_used_seconds_ / 3600; auto left = time_used_seconds_ - hh * 3600; auto mm = left / 60; auto ss = left % 60; static wchar_t svalue[128]; swprintf(svalue, L"%02d:%02d:%02d", hh, mm, ss); time_used_->set_text(svalue); }); register_event(this->launcher_->get_id(), [this](void){ // start new worker thread, avoid block UI thread. std::thread copier([this]{ auto input = input_->get_text(); auto output = output_->get_text(); auto cachesize = atol(nsc::transcode(cachesize_->get_text()).c_str()); if (cachesize == 0) cachesize = 8192; launcher_->set_text(L"正在复制..."); launcher_->disable(); progress_->set_value(0); uint64_t total_bytes = 0; time_used_seconds_ = 0; this->start_timer(1000); auto start = clock(); if ((total_bytes = progress_->extremely_copy(input.c_str(), output.c_str(), cachesize)) > 0) { auto seconds = (clock() - start) / (long double)CLOCKS_PER_SEC; this->stop_timer(); swprintf(message_, L"复制成功,共耗时%f秒, 平均速度%fMB/s", seconds, total_bytes / (SZ(1, M) * seconds)); MessageBox(get_handle(), message_, L"提示", MB_OK | MB_ICONINFORMATION); } else { MessageBox(get_handle(), L"复制失败", L"提示", MB_OK | MB_ICONERROR); } launcher_->set_text(L"启动复制"); launcher_->enable(); }); copier.detach(); }); } private: std::unique_ptr<controls::xxedit> input_; std::unique_ptr<controls::xxedit> output_; std::unique_ptr<controls::xxedit> time_used_; std::unique_ptr<controls::xxedit> cachesize_; std::unique_ptr<controls::xxbutton> launcher_; std::unique_ptr<controls::xxprogressbar> progress_; u_long time_used_seconds_; wchar_t message_[256]; }; purelibGUIEntry { // enable_leak_check(); extremely_copier copier; copier.update(); copier.show(); copier.message_loop(); return 0; }