Add periodic sync check when syncing LF<>another DB

This commit is contained in:
Adam Ierymenko 2019-08-08 17:20:50 -05:00
parent 760ae07d72
commit 55087521f6
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GPG key ID: 1657198823E52A61
4 changed files with 63 additions and 3 deletions

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@ -29,8 +29,52 @@
namespace ZeroTier {
DBMirrorSet::DBMirrorSet(DB::ChangeListener *listener) :
_listener(listener)
_listener(listener),
_running(true)
{
_syncCheckerThread = std::thread([this]() {
for(;;) {
for(int i=0;i<120;++i) { // 1 minute delay between checks
if (!_running)
return;
std::this_thread::sleep_for(std::chrono::milliseconds(500));
}
std::vector< std::shared_ptr<DB> > dbs;
{
std::lock_guard<std::mutex> l(_dbs_l);
if (_dbs.size() <= 1)
continue; // no need to do this if there's only one DB, so skip the iteration
dbs = _dbs;
}
for(auto db=dbs.begin();db!=dbs.end();++db) {
(*db)->each([this,&dbs,&db](uint64_t networkId,const nlohmann::json &network,uint64_t memberId,const nlohmann::json &member) {
if (memberId == 0) {
for(auto db2=dbs.begin();db2!=dbs.end();++db2) {
if (db->get() != db2->get()) {
nlohmann::json nw2;
if ((!(*db2)->get(networkId,nw2))||(OSUtils::jsonInt(nw2["revision"],0) < OSUtils::jsonInt(network["revision"],0))) {
nw2 = network;
(*db2)->save(nw2,false);
}
}
}
} else {
for(auto db2=dbs.begin();db2!=dbs.end();++db2) {
if (db->get() != db2->get()) {
nlohmann::json nw2,m2;
if ((!(*db2)->get(networkId,nw2,memberId,m2))||(OSUtils::jsonInt(nw2["revision"],0) < OSUtils::jsonInt(network["revision"],0))) {
m2 = member;
(*db2)->save(m2,false);
}
}
}
}
});
}
}
});
}
DBMirrorSet::~DBMirrorSet()