bool deps_resolver_t::try_roll_forward(const deps_entry_t& entry,
const pal::string_t& probe_dir,
bool patch_roll_fwd,
bool prerelease_roll_fwd,
pal::string_t* candidate)
{
trace::verbose(_X("Attempting a roll forward for [%s/%s/%s] in [%s]"), entry.library_name.c_str(), entry.library_version.c_str(), entry.relative_path.c_str(), probe_dir.c_str());
const pal::string_t& lib_ver = entry.library_version;
fx_ver_t cur_ver(-1, -1, -1);
if (!fx_ver_t::parse(lib_ver, &cur_ver, false))
{
trace::verbose(_X("No roll forward as specified version [%s] could not be parsed"), lib_ver.c_str());
return false;
}
pal::string_t path = probe_dir;
append_path(&path, entry.library_name.c_str());
pal::string_t max_str = lib_ver;
if (cur_ver.is_prerelease() && prerelease_roll_fwd)
{
pal::string_t maj_min_pat_star = cur_ver.prerelease_glob();
pal::string_t cache_key = path;
append_path(&cache_key, maj_min_pat_star.c_str());
if (m_prerelease_roll_forward_cache.count(cache_key))
{
max_str = m_prerelease_roll_forward_cache[cache_key];
trace::verbose(_X("Found cached roll forward version [%s] -> [%s]"), lib_ver.c_str(), max_str.c_str());
}
else
{
try_prerelease_roll_forward_in_dir(path, cur_ver, &max_str);
m_prerelease_roll_forward_cache[cache_key] = max_str;
}
}
if (!cur_ver.is_prerelease() && patch_roll_fwd)
{
// Extract glob string of the form: 1.0.* from the version 1.0.0-prerelease-00001.
pal::string_t maj_min_star = cur_ver.patch_glob();
pal::string_t cache_key = path;
append_path(&cache_key, maj_min_star.c_str());
if (m_patch_roll_forward_cache.count(cache_key))
{
max_str = m_patch_roll_forward_cache[cache_key];
trace::verbose(_X("Found cached roll forward version [%s] -> [%s]"), lib_ver.c_str(), max_str.c_str());
}
else
{
try_patch_roll_forward_in_dir(path, cur_ver, &max_str);
m_patch_roll_forward_cache[cache_key] = max_str;
}
}
append_path(&path, max_str.c_str());
return entry.to_rel_path(path, candidate);
}
map<tstring,tstring> CVersionInfo::GetUpdateList(vector<tstring>& m_services)
{
map<tstring,tstring> updatelist;
//check the remote version file in update folder
file<> fdoc(m_update_ver_path.c_str());
//TiXmlDocument ver;
//TiXmlDocument remote_ver;
if (fdoc.size() > 0)
{
//TiXmlNode* root = remote_ver.RootElement();
//TiXmlElement* pver_elem = root->FirstChildElement();
xml_document<> xdoc;
xdoc.parse<0>(fdoc.data());
xml_node<>* pver_elem = xdoc.first_node();
while (pver_elem)
{
//get ver id which > cur version
//tstring cur_ver_str = pver_elem->Attribute("no");
tstring cur_ver_str = pver_elem->first_attribute("no")->value();
DWORD marj,subj,ssubj,sssubj;
marj=subj=ssubj=sssubj=0;
sscanf(cur_ver_str.c_str(),"%d.%d.%d.%d",&marj,&subj,&ssubj,&sssubj);
CVersion cur_ver(marj,subj,ssubj,sssubj);
if(cur_ver > m_local)
{
//TiXmlElement* pitem = pver_elem->FirstChildElement();
xml_node<>* pitem = pver_elem->first_node();
while (pitem)
{
tstring filepath = pitem->first_attribute("path")->value();
tstring filename = pitem->first_attribute("name")->value();
//res.push_back(filepath);
updatelist[filename] = filepath;
const char* pservice = pitem->first_attribute("service")->value();
if(pservice)
{
m_services.push_back(filename);
}
pitem = pitem->next_sibling();
}
}
pver_elem = pver_elem->next_sibling();
}
}
return updatelist;
}
