1 #ifndef DALI_TIZEN_PLATFORM_NETWORK_FILE_DOWNLOAD_H
2 #define DALI_TIZEN_PLATFORM_NETWORK_FILE_DOWNLOAD_H
5 * Copyright (c) 2021 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
22 #include <dali/public-api/common/dali-vector.h>
23 #include <stdint.h> // uint8
24 #include <mutex> //c++11
29 namespace TizenPlatform
34 * Set up the cURL environment - this will ensure curl_global_init is called on startup
35 * and curl_global_cleanup is called on shutdown.
36 * Having this environment enables curl to be used in a single or multi-threaded
43 * Constructor calls curl_global_init()
48 * Destructor calls curl_global_cleanup()
52 // Moveable but not copyable
54 CurlEnvironment(const CurlEnvironment&) = delete;
55 CurlEnvironment& operator=(const CurlEnvironment&) = delete;
56 CurlEnvironment(CurlEnvironment&&) = default;
57 CurlEnvironment& operator=(CurlEnvironment&&) = default;
61 * Download a requested file into a memory buffer.
63 * @note Threading notes: This function can be called from multiple threads, however
64 * we must explicitly call curl_global_init() from a single thread before using curl
65 * as the global function calls are not thread safe.
67 * @param[in] url The requested file url
68 * @param[out] dataBuffer A memory buffer object to be written with downloaded file data.
69 * @param[out] dataSize The size of the memory buffer.
70 * @param[in] maximumAllowedSize The maxmimum allowed file size in bytes to download. E.g. for an Image file this may be 50 MB
71 * @return true on success, false on failure
74 bool DownloadRemoteFileIntoMemory(const std::string& url,
75 Dali::Vector<uint8_t>& dataBuffer,
77 size_t maximumAllowedSizeBytes);
79 } // namespace Network
81 } // namespace TizenPlatform
85 #endif // DALI_TIZEN_PLATFORM_RESOURCE_THREAD_IMAGE_H