Improve downloader

- print http respone code when error
- make checksum case-insensitive

Author: halx99

core/network/Downloader-curl.cpp

@@ -250,12 +250,12 @@ class DownloadTaskCURL : public IDownloadTask
         return status;
     }
 
-    void setErrorProc(int code, int codeInternal, const char* desc)
+    void setErrorDesc(int code, int codeInternal, std::string&& desc)
     {
         std::lock_guard<std::recursive_mutex> lock(_mutex);
         _errCode         = code;
         _errCodeInternal = codeInternal;
-        _errDescription  = desc;
+        _errDescription  = std::move(desc);
     }
 
     size_t writeDataProc(unsigned char* buffer, size_t size, size_t count)
@@ -617,8 +617,14 @@ class DownloaderCURL::Impl : public std::enable_shared_from_this<DownloaderCURL:
                             auto coTask = static_cast<DownloadTaskCURL*>(task->_coTask.get());
                             if (CURLE_OK != errCode)
                             {
-                                coTask->setErrorProc(DownloadTask::ERROR_IMPL_INTERNAL, errCode,
-                                                     curl_easy_strerror(errCode));
+                                std::string errorMsg = curl_easy_strerror(errCode);
+                                if (errCode == CURLE_HTTP_RETURNED_ERROR) {
+                                    long responeCode = 0;
+                                    curl_easy_getinfo(curlHandle, CURLINFO_RESPONSE_CODE, &responeCode);
+                                    fmt::format_to(std::back_inserter(errorMsg), FMT_COMPILE(": {}"), responeCode);
+                                }
+                                
+                                coTask->setErrorDesc(DownloadTask::ERROR_IMPL_INTERNAL, errCode, std::move(errorMsg));
                                 break;
                             }
 
@@ -689,7 +695,7 @@ class DownloaderCURL::Impl : public std::enable_shared_from_this<DownloaderCURL:
 
                 if (nullptr == curlHandle)
                 {
-                    coTask->setErrorProc(DownloadTask::ERROR_IMPL_INTERNAL, 0, "Alloc curl handle failed.");
+                    coTask->setErrorDesc(DownloadTask::ERROR_IMPL_INTERNAL, 0, "Alloc curl handle failed.");
                     _owner->_onDownloadFinished(*task);
                     continue;
                 }
@@ -701,7 +707,7 @@ class DownloaderCURL::Impl : public std::enable_shared_from_this<DownloaderCURL:
                 mcode = curl_multi_add_handle(curlmHandle, curlHandle);
                 if (CURLM_OK != mcode)
                 {
-                    coTask->setErrorProc(DownloadTask::ERROR_IMPL_INTERNAL, mcode, curl_multi_strerror(mcode));
+                    coTask->setErrorDesc(DownloadTask::ERROR_IMPL_INTERNAL, mcode, curl_multi_strerror(mcode));
                     _owner->_onDownloadFinished(*task);
                     continue;
                 }
@@ -903,7 +909,7 @@ void DownloaderCURL::_onDownloadFinished(DownloadTask& task, int checkState)
                 break;
             }
 
-            if (coTask._fileName.empty() || DownloadTask::ERROR_NO_ERROR != coTask._errCode)
+            if (coTask._fileName.empty() || coTask._errCode != DownloadTask::ERROR_NO_ERROR)
             {
                 if (coTask._errCodeInternal == CURLE_RANGE_ERROR)
                 {

core/network/Downloader.cpp

@@ -27,13 +27,16 @@
 #include "network/Downloader.h"
 
 #if EMSCRIPTEN
-#include "network/Downloader-wasm.h"
-#define DownloaderImpl  DownloaderEmscripten
+#    include "network/Downloader-wasm.h"
+#    define DownloaderImpl DownloaderEmscripten
 #else
-#include "network/Downloader-curl.h"
-#define DownloaderImpl DownloaderCURL
+#    include "network/Downloader-curl.h"
+#    define DownloaderImpl DownloaderCURL
 #endif
 
+#include <ctype.h>
+#include <algorithm>
+
 NS_AX_BEGIN
 
 namespace network
@@ -63,7 +66,9 @@ DownloadTask::DownloadTask(std::string_view srcUrl,
     this->checksum    = checksum;
     this->identifier  = identifier;
     this->background  = background;
-    this->cacertPath = cacertPath;
+    this->cacertPath  = cacertPath;
+    if (!this->checksum.empty())
+        std::transform(this->checksum.begin(), this->checksum.end(), this->checksum.begin(), ::tolower);
 }
 
 DownloadTask::~DownloadTask()

tests/cpp-tests/Source/NetworkTest/DownloaderTest/DownloaderTest.cpp

@@ -37,7 +37,7 @@ USING_NS_AX;
 static const char* sURLList[] = {
     "https://www.cocos2d-x.org/attachments/802/cocos2dx_landscape.png", "https://cocos2d-x.org/images/logo.png",
     "https://www.cocos2d-x.org/attachments/1503/no_exist.txt",  // try to download no exist file
-    "https://ash-speed.hetzner.com/1GB.bin"
+    "https://github.com/axmolengine/axmol/releases/download/v2.1.3/axmol-2.1.3.zip"
 };
 const static int sListSize              = (sizeof(sURLList) / sizeof(sURLList[0]));
 static const char* sNameList[sListSize] = {
@@ -208,8 +208,7 @@ struct DownloaderTest : public TestCase
             bar->setVisible(true);
             bar->setEnabled(true);
             auto path = FileUtils::getInstance()->getWritablePath() + "CppTests/DownloaderTest/" + sNameList[3];
-            auto task = this->downloader->createDownloadFileTask(sURLList[3], path, sNameList[3], "5fa2035a209e73f5727a72aafd332916", false);
-            task->progressInfo.totalBytesExpected = 89945032;
+            auto task = this->downloader->createDownloadFileTask(sURLList[3], path, sNameList[3], "1CF78E3F23A2B1A6806D8719A5771D34", false);
         });
         bottomRightView->setName(sNameList[3]);
         bottomRightView->setAnchorPoint(Vec2(0, 1));