Retry on HTTP/2 frame errors as long as it do is making progress

Ref raspberrypi#767

Author: maxnet

src/CMakeLists.txt

@@ -8,8 +8,8 @@ OPTION (ENABLE_TELEMETRY "Enable sending telemetry" ON)
 project(rpi-imager LANGUAGES CXX C)
 set(IMAGER_VERSION_MAJOR 1)
 set(IMAGER_VERSION_MINOR 8)
-set(IMAGER_VERSION_STR "${IMAGER_VERSION_MAJOR}.${IMAGER_VERSION_MINOR}.4")
-set(IMAGER_VERSION_CSV "${IMAGER_VERSION_MAJOR},${IMAGER_VERSION_MINOR},4,0")
+set(IMAGER_VERSION_STR "${IMAGER_VERSION_MAJOR}.${IMAGER_VERSION_MINOR}.5")
+set(IMAGER_VERSION_CSV "${IMAGER_VERSION_MAJOR},${IMAGER_VERSION_MINOR},5,0")
 add_definitions(-DIMAGER_VERSION_STR="${IMAGER_VERSION_STR}")
 add_definitions(-DIMAGER_VERSION_CSV=${IMAGER_VERSION_CSV})
 set(CMAKE_INCLUDE_CURRENT_DIR ON)

src/downloadthread.cpp

@@ -412,7 +412,9 @@ void DownloadThread::run()
     /* Deal with badly configured HTTP servers that terminate the connection quickly
        if connections stalls for some seconds while kernel commits buffers to slow SD card.
        And also reconnect if we detect from our end that transfer stalled for more than one minute */
-    while (ret == CURLE_PARTIAL_FILE || ret == CURLE_OPERATION_TIMEDOUT || (ret == CURLE_RECV_ERROR && _lastDlNow != _lastFailureOffset) )
+    while (ret == CURLE_PARTIAL_FILE || ret == CURLE_OPERATION_TIMEDOUT
+           || (ret == CURLE_HTTP2_STREAM && _lastDlNow != _lastFailureOffset)
+           || (ret == CURLE_RECV_ERROR && _lastDlNow != _lastFailureOffset) )
     {
         time_t t = time(NULL);
         qDebug() << "HTTP connection lost. Time:" << t;