FGFS-4.1/simgear
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Packages: handle catalog versions better

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When a catalog version is stale, disable it but don’t remove it,
and still try to refresh it. This should give much better behaviour
when the FG version changes, should behave as users expect.
This commit is contained in:
James Turner 2016-03-25 23:04:45 +00:00
parent 8ddcef9142
commit 27baafab0d
2 changed files with 109 additions and 48 deletions
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55
simgear/package/Catalog.cxx
View File

@ -31,6 +31,7 @@
#include <simgear/package/Package.hxx>
#include <simgear/package/Root.hxx>
#include <simgear/package/Install.hxx>
#include <simgear/misc/strutils.hxx>
namespace simgear {
@ -44,13 +45,27 @@ bool checkVersion(const std::string& aVersion, SGPropertyNode_ptr props)
return true;
}
// allow 3.5.* to match any of 3.5.0, 3.5.1rc1, 3.5.11 or so on
if (strutils::ends_with(s, ".*")) {
size_t lastDot = aVersion.rfind('.');
std::string ver = aVersion.substr(0, lastDot);
if (ver == s.substr(0, s.length() - 2)) {
return true;
// examine each dot-seperated component in turn, supporting a wildcard
// in the versions from the catalog.
string_list appVersionParts = simgear::strutils::split(aVersion, ".");
string_list catVersionParts = simgear::strutils::split(s, ".");
size_t partCount = appVersionParts.size();
if (partCount != catVersionParts.size()) {
continue;
}
bool ok = true;
for (unsigned int p=0; p < partCount; ++p) {
if (catVersionParts[p] == "*") {
// always passes
} else if (appVersionParts[p] != catVersionParts[p]) {
ok = false;
}
}
if (ok) {
return true;
}
}
return false;
@ -196,22 +211,13 @@ CatalogRef Catalog::createFromPath(Root* aRoot, const SGPath& aPath)
return NULL;
}
if (!checkVersion(aRoot->applicationVersion(), props)) {
std::string redirect = redirectUrlForVersion(aRoot->applicationVersion(), props);
if (!redirect.empty()) {
SG_LOG(SG_GENERAL, SG_WARN, "catalog at " << aPath << ", version mismatch:\n\t"
<< "redirecting to alternate URL:" << redirect);
CatalogRef c = Catalog::createFromUrl(aRoot, redirect);
c->m_installRoot = aPath;
return c;
} else {
SG_LOG(SG_GENERAL, SG_WARN, "skipping catalog at " << aPath << ", version mismatch:\n\t"
<< props->getStringValue("version") << " vs required " << aRoot->catalogVersion());
return NULL;
}
bool versionCheckOk = checkVersion(aRoot->applicationVersion(), props);
if (!versionCheckOk) {
SG_LOG(SG_GENERAL, SG_INFO, "catalog at:" << aPath << " failed version check: need" << aRoot->applicationVersion());
// keep the catalog but mark it as needing an update
} else {
SG_LOG(SG_GENERAL, SG_INFO, "creating catalog from:" << aPath);
SG_LOG(SG_GENERAL, SG_DEBUG, "creating catalog from:" << aPath);
}
CatalogRef c = new Catalog(aRoot);
@ -219,8 +225,12 @@ CatalogRef Catalog::createFromPath(Root* aRoot, const SGPath& aPath)
c->parseProps(props);
c->parseTimestamp();
if (versionCheckOk) {
// parsed XML ok, mark status as valid
c->changeStatus(Delegate::STATUS_SUCCESS);
} else {
c->changeStatus(Delegate::FAIL_VERSION);
}
return c;
}
@ -469,6 +479,11 @@ unsigned int Catalog::ageInSeconds() const
bool Catalog::needsRefresh() const
{
// always refresh in these cases
if ((m_status == Delegate::FAIL_VERSION) || (m_status == Delegate::FAIL_DOWNLOAD)) {
return true;
}
unsigned int maxAge = m_props->getIntValue("max-age-sec", m_root->maxAgeSeconds());
return (ageInSeconds() > maxAge);
}

84
simgear/package/Root.cxx
View File

@ -159,6 +159,7 @@ public:
std::string locale;
HTTP::Client* http;
CatalogDict catalogs;
CatalogList disabledCatalogs;
unsigned int maxAgeSeconds;
std::string version;
@ -240,10 +241,16 @@ Root::Root(const SGPath& aPath, const std::string& aVersion) :
return;
}
BOOST_FOREACH(SGPath c, dir.children(Dir::TYPE_DIR)) {
BOOST_FOREACH(SGPath c, dir.children(Dir::TYPE_DIR | Dir::NO_DOT_OR_DOTDOT)) {
CatalogRef cat = Catalog::createFromPath(this, c);
if (cat) {
if (cat->status() == Delegate::STATUS_SUCCESS) {
d->catalogs[cat->id()] = cat;
} else {
// catalog has problems, such as needing an update
// keep it out of the main collection for now
d->disabledCatalogs.push_back(cat);
}
}
} // of child directories iteration
}
@ -357,12 +364,23 @@ Root::packagesNeedingUpdate() const
void Root::refresh(bool aForce)
{
bool didStartAny = false;
// copy all candidate ctalogs to a seperate list, since refreshing
// can modify both the main collection and/or the disabled list
CatalogList toRefresh;
CatalogDict::iterator it = d->catalogs.begin();
for (; it != d->catalogs.end(); ++it) {
if (aForce || it->second->needsRefresh()) {
it->second->refresh();
didStartAny = true;
toRefresh.push_back(it->second);
}
toRefresh.insert(toRefresh.end(), d->disabledCatalogs.begin(),
d->disabledCatalogs.end());
CatalogList::iterator j = toRefresh.begin();
for (; j != toRefresh.end(); ++j) {
(*j)->refresh();
didStartAny = true;
}
if (!didStartAny) {
@ -486,21 +504,35 @@ void Root::catalogRefreshStatus(CatalogRef aCat, Delegate::StatusCode aReason)
d->refreshing.erase(aCat);
}
if ((aReason != Delegate::STATUS_REFRESHED) && (aReason != Delegate::STATUS_IN_PROGRESS)) {
// if the failure is permanent, delete the catalog from our
// list (don't touch it on disk)
bool isPermanentFailure = (aReason == Delegate::FAIL_VERSION);
if (isPermanentFailure) {
SG_LOG(SG_GENERAL, SG_WARN, "permanent failure for catalog:" << aCat->id());
if (catIt != d->catalogs.end()) {
d->catalogs.erase(catIt);
}
}
}
if ((aReason == Delegate::STATUS_REFRESHED) && (catIt == d->catalogs.end())) {
assert(!aCat->id().empty());
d->catalogs.insert(catIt, CatalogDict::value_type(aCat->id(), aCat));
// catalog might have been previously disabled, let's remove in that case
CatalogList::iterator j = std::find(d->disabledCatalogs.begin(),
d->disabledCatalogs.end(),
aCat);
if (j != d->disabledCatalogs.end()) {
SG_LOG(SG_GENERAL, SG_INFO, "re-enabling disabled catalog:" << aCat->id());
d->disabledCatalogs.erase(j);
}
}
if ((aReason != Delegate::STATUS_REFRESHED) &&
(aReason != Delegate::STATUS_IN_PROGRESS) &&
(aReason != Delegate::STATUS_SUCCESS))
{
// catalog has errors, disable it
CatalogList::iterator j = std::find(d->disabledCatalogs.begin(),
d->disabledCatalogs.end(),
aCat);
if (j == d->disabledCatalogs.end()) {
SG_LOG(SG_GENERAL, SG_INFO, "disabling catalog:" << aCat->id());
d->disabledCatalogs.push_back(aCat);
}
// and remove it from the active collection
d->catalogs.erase(catIt);
}
if (d->refreshing.empty()) {
@ -511,16 +543,30 @@ void Root::catalogRefreshStatus(CatalogRef aCat, Delegate::StatusCode aReason)
bool Root::removeCatalogById(const std::string& aId)
{
CatalogRef cat;
CatalogDict::iterator catIt = d->catalogs.find(aId);
if (catIt == d->catalogs.end()) {
SG_LOG(SG_GENERAL, SG_WARN, "removeCatalogById: unknown ID:" << aId);
// check the disabled list
CatalogList::iterator j = d->disabledCatalogs.begin();
for (; j != d->disabledCatalogs.end(); ++j) {
if ((*j)->id() == aId) {
break;
}
}
if (j == d->disabledCatalogs.end()) {
SG_LOG(SG_GENERAL, SG_WARN, "removeCatalogById: no catalog with id:" << aId);
return false;
}
CatalogRef cat = catIt->second;
cat = *j;
d->disabledCatalogs.erase(j);
} else {
cat = catIt->second;
// drop the reference
d->catalogs.erase(catIt);
}
bool ok = cat->uninstall();
if (!ok) {