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Softupdate: Check the available disk space when reading the flash

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This commit is contained in:
Michael Liebmann
2013-08-20 02:23:10 +02:00
parent bc069b0a84
commit a3762416af
6 changed files with 47 additions and 0 deletions
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34
src/gui/update.cpp
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@@ -550,6 +550,36 @@ CFlashExpert* CFlashExpert::getInstance()
return FlashExpert;
}
bool CFlashExpert::checkSize(int mtd, std::string &backupFile)
{
char errMsg[1024] = {0};
std::string path = getPathName(backupFile);
if (!file_exists(path.c_str())) {
snprintf(errMsg, sizeof(errMsg)-1, g_Locale->getText(LOCALE_FLASHUPDATE_READ_DIRECTORY_NOT_EXIST), path.c_str());
ShowHintUTF(LOCALE_MESSAGEBOX_ERROR, errMsg);
return false;
}
int mtdSize = CMTDInfo::getInstance()->getMTDSize(mtd) / 1024;
long btotal = 0, bused = 0, bsize = 0;
if (!get_fs_usage(path.c_str(), btotal, bused, &bsize)) {
snprintf(errMsg, sizeof(errMsg)-1, g_Locale->getText(LOCALE_FLASHUPDATE_READ_VOLUME_ERROR), path.c_str());
ShowHintUTF(LOCALE_MESSAGEBOX_ERROR, errMsg);
return false;
}
int backupMaxSize = (int)((btotal - bused) * bsize);
int res = 10; // Reserved 10% of available space
backupMaxSize = (backupMaxSize - ((backupMaxSize * res) / 100)) / 1024;
if (backupMaxSize < mtdSize) {
snprintf(errMsg, sizeof(errMsg)-1, g_Locale->getText(LOCALE_FLASHUPDATE_READ_NO_AVAILABLE_SPACE), path.c_str(), backupMaxSize, mtdSize);
ShowHintUTF(LOCALE_MESSAGEBOX_ERROR, errMsg);
return false;
}
return true;
}
void CFlashExpert::readmtd(int preadmtd)
{
std::string filename;
@@ -566,6 +596,10 @@ void CFlashExpert::readmtd(int preadmtd)
filename = (std::string)g_settings.update_dir + "/flashimage.img"; // US-ASCII (subset of UTF-8 and ISO8859-1)
preadmtd = MTD_OF_WHOLE_IMAGE;
}
if (!checkSize(preadmtd, filename))
return;
setTitle(LOCALE_FLASHUPDATE_TITLEREADFLASH);
paint();
showGlobalStatus(0);