bool USBDownloader::download(const String &file)
{
String fil = file;
if(!_locateFile(fil))
{
logger(LOG_ERROR) << "USBDownloader: Could not locate '" << file << "'." << std::endl;
_outStream << "USBDownloader: Could not locate '" << file << "'." << std::endl;
return false;
}
std::ifstream f(fil, std::ios::binary | std::ios::ate);
if(!f.good())
{
logger(LOG_ERROR) << "USBDownloader: Could not open '" << fil << "'." << std::endl;
_outStream << "USBDownloader: Could not open '" << fil << "'." << std::endl;
return false;
}
std::streamoff size = f.tellg();
f.seekg(std::ios::beg);
return _configureForDownload() && _download(f, size);
}
/**************************************************************************
* private functions
**************************************************************************/
static void *_preloadThread(void *arg) {
int status;
preloadThreadData_t *threadData = (preloadThreadData_t *)arg;
preloadThreadInfo_t *threadInfo = NULL;
if(threadData == NULL) {
rodsLog (LOG_DEBUG, "_preloadThread: given thread argument is null");
pthread_exit(NULL);
}
threadInfo = threadData->threadInfo;
rodsLog (LOG_DEBUG, "_preloadThread: preload - %s", threadData->path);
status = _download(threadData->path, &threadData->stbuf);
if(status != 0) {
rodsLog (LOG_DEBUG, "_preloadThread: download error - %d", status);
}
// downloading is done
LOCK(PreloadLock);
// change thread status
LOCK_STRUCT(*threadInfo);
threadInfo->running = PRELOAD_THREAD_IDLE;
UNLOCK_STRUCT(*threadInfo);
// release threadData
rodsLog (LOG_DEBUG, "_preloadThread: thread finished - %s", threadData->path);
if(threadData->path != NULL) {
free(threadData->path);
threadData->path = NULL;
}
free(threadData);
// remove from hash table
removeFromConcurrentList2(PreloadThreadList, threadInfo);
deleteFromHashTable(PreloadThreadTable, threadInfo->path);
if(threadInfo != NULL) {
if(threadInfo->path != NULL) {
free(threadInfo->path);
threadInfo->path = NULL;
}
free(threadInfo);
}
UNLOCK(PreloadLock);
pthread_exit(NULL);
}