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COPKGManager: add possibilty to check required size before install package

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This commit is contained in:
Thilo Graf
2014-12-13 00:03:27 +01:00
parent 4909844ad6
commit a6f7043ab1
7 changed files with 38 additions and 6 deletions
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38
src/gui/opkg_manager.cpp
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@@ -48,7 +48,7 @@
#include <system/debug.h>
#include <system/helpers.h>
#include <unistd.h>
#include <sys/vfs.h>
#include <poll.h>
#include <fcntl.h>
#include <alloca.h>
@@ -190,12 +190,38 @@ int COPKGManager::exec(CMenuTarget* parent, const string &actionKey)
return res;
force = "--force-reinstall ";
}
int r = execCmd(pkg_types[OM_INSTALL] + force + actionKey, true, true);
if (r) {
showError(g_Locale->getText(LOCALE_OPKG_FAILURE_INSTALL), strerror(errno), pkg_types[OM_INSTALL] + force + actionKey);
} else
installed = true;
//get package size
string s_pkgsize = getPkgInfo(actionKey, "Size");
std::istringstream s(s_pkgsize);
u_int64_t pkg_size;
s >> pkg_size;
//get available size
//TODO: Check writability!
struct statfs root_fs;
statfs("/",&root_fs);
u_int64_t free_size = root_fs.f_bfree*root_fs.f_bsize;
dprintf(DEBUG_INFO, "[COPKGManager] [%s - %d] Package: %s [package size=%lld (free size: %lld)]\n", __func__, __LINE__, actionKey.c_str(), pkg_size, free_size);
//only for sure, it's more secure for users to abort installation if is available size too small
//TODO: Package size is not really the same like required/recommended size, because of unknown compression factor, some possible options like cache, different tmp-dir size eg. are still not considered.
u_int64_t rec_size = pkg_size/2*3;
if (free_size < rec_size){
dprintf(DEBUG_NORMAL, "[COPKGManager] [%s - %d] WARNING: size check freesize=%lld required size=%lld (recommended: %lld)\n", __func__, __LINE__, free_size, pkg_size, rec_size);
DisplayErrorMessage(g_Locale->getText(LOCALE_OPKG_MESSAGEBOX_SIZE_ERROR));
}else{
string cmd = pkg_types[OM_INSTALL] + force + actionKey;
int r = execCmd(cmd, true, true);
string cur_version = getPkgInfo(actionKey, "Version");
dprintf(DEBUG_NORMAL, "[COPKGManager] [%s - %d] %s: current version = %s\n", __func__, __LINE__, actionKey.c_str(), cur_version.c_str());
if (r){
showError(g_Locale->getText(LOCALE_OPKG_FAILURE_INSTALL), strerror(errno), cmd);
}else{
installed = true;
}
}
refreshMenu();
}
return res;