void DownloadManager::downloadAsync(const DownloadOptions& options, ProgressCallback progress, CompleteCallback complete) if (m_active) if (complete) complete(false, "Download already in progress"); return; m_active = true; m_downloadThread = std::thread([this, options, progress, complete]() bool result = downloadSync(options, progress); m_active = false; if (complete) complete(result, m_lastError); );
int DownloadManager::progressCallback(void* userp, curl_off_t dltotal, curl_off_t dlnow, curl_off_t ultotal, curl_off_t ulnow) auto* ctx = static_cast<DownloadContext*>(userp); if (dltotal > 0) ctx->total_bytes = dltotal; if (ctx->progress_cb) float progress = (float)dlnow / dltotal; ctx->progress_cb(progress, dlnow, dltotal); return 0; // Return non-zero to cancel runtime c++ download
cmake_minimum_required(VERSION 3.10) project(DownloadManager) set(CMAKE_CXX_STANDARD 17) "Download already in progress")
