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More work on DB mirroring.

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This commit is contained in:
Adam Ierymenko 2019-08-06 10:42:54 -05:00
parent 3c776675b3
commit 00fb9c475e
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GPG key ID: 1657198823E52A61
12 changed files with 210 additions and 151 deletions
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106
controller/DBMirrorSet.cpp
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@ -28,7 +28,8 @@
namespace ZeroTier {
DBMirrorSet::DBMirrorSet()
DBMirrorSet::DBMirrorSet(DB::ChangeListener *listener) :
_listener(listener)
{
}
@ -36,6 +37,65 @@ DBMirrorSet::~DBMirrorSet()
{
}
bool DBMirrorSet::hasNetwork(const uint64_t networkId) const
{
std::lock_guard<std::mutex> l(_dbs_l);
for(auto d=_dbs.begin();d!=_dbs.end();++d) {
if ((*d)->hasNetwork(networkId))
return true;
}
return false;
}
bool DBMirrorSet::get(const uint64_t networkId,nlohmann::json &network)
{
std::lock_guard<std::mutex> l(_dbs_l);
for(auto d=_dbs.begin();d!=_dbs.end();++d) {
if (get(networkId,network)) {
return true;
}
}
return false;
}
bool DBMirrorSet::get(const uint64_t networkId,nlohmann::json &network,const uint64_t memberId,nlohmann::json &member)
{
std::lock_guard<std::mutex> l(_dbs_l);
for(auto d=_dbs.begin();d!=_dbs.end();++d) {
if (get(networkId,network,memberId,member))
return true;
}
return false;
}
bool DBMirrorSet::get(const uint64_t networkId,nlohmann::json &network,const uint64_t memberId,nlohmann::json &member,DB::NetworkSummaryInfo &info)
{
std::lock_guard<std::mutex> l(_dbs_l);
for(auto d=_dbs.begin();d!=_dbs.end();++d) {
if (get(networkId,network,memberId,member,info))
return true;
}
return false;
}
bool DBMirrorSet::get(const uint64_t networkId,nlohmann::json &network,std::vector<nlohmann::json> &members)
{
std::lock_guard<std::mutex> l(_dbs_l);
for(auto d=_dbs.begin();d!=_dbs.end();++d) {
if (get(networkId,network,members))
return true;
}
return false;
}
void DBMirrorSet::networks(std::set<uint64_t> &networks)
{
std::lock_guard<std::mutex> l(_dbs_l);
for(auto d=_dbs.begin();d!=_dbs.end();++d) {
(*d)->networks(networks);
}
}
bool DBMirrorSet::waitForReady()
{
bool r = false;
@ -56,11 +116,21 @@ bool DBMirrorSet::isReady()
return true;
}
void DBMirrorSet::save(nlohmann::json &record)
bool DBMirrorSet::save(nlohmann::json &record,bool notifyListeners)
{
std::lock_guard<std::mutex> l(_dbs_l);
for(auto d=_dbs.begin();d!=_dbs.end();++d) {
(*d)->save(record);
if (notifyListeners) {
for(auto d=_dbs.begin();d!=_dbs.end();++d) {
if ((*d)->save(record,notifyListeners))
return true;
}
return false;
} else {
bool modified = false;
for(auto d=_dbs.begin();d!=_dbs.end();++d) {
modified |= (*d)->save(record,notifyListeners);
}
return modified;
}
}
@ -88,25 +158,39 @@ void DBMirrorSet::nodeIsOnline(const uint64_t networkId,const uint64_t memberId,
}
}
void DBMirrorSet::onNetworkUpdate(const DB *db,uint64_t networkId,const nlohmann::json &network)
void DBMirrorSet::onNetworkUpdate(const void *db,uint64_t networkId,const nlohmann::json &network)
{
bool modified = false;
nlohmann::json record(network);
std::lock_guard<std::mutex> l(_dbs_l);
for(auto d=_dbs.begin();d!=_dbs.end();++d) {
if (d->get() != db) {
modified |= (*d)->save(record,false);
}
}
if (modified) {
_listener->onNetworkUpdate(this,networkId,network);
}
}
void DBMirrorSet::onNetworkMemberUpdate(const DB *db,uint64_t networkId,uint64_t memberId,const nlohmann::json &member)
void DBMirrorSet::onNetworkMemberUpdate(const void *db,uint64_t networkId,uint64_t memberId,const nlohmann::json &member)
{
bool modified = false;
nlohmann::json record(member);
std::lock_guard<std::mutex> l(_dbs_l);
for(auto d=_dbs.begin();d!=_dbs.end();++d) {
if (d->get() != db) {
modified |= (*d)->save(record,false);
}
}
if (modified) {
_listener->onNetworkMemberUpdate(this,networkId,memberId,member);
}
}
void DBMirrorSet::onNetworkMemberDeauthorize(const DB *db,uint64_t networkId,uint64_t memberId)
{
}
void DBMirrorSet::onNetworkMemberOnline(const DB *db,uint64_t networkId,uint64_t memberId,const InetAddress &physicalAddress)
void DBMirrorSet::onNetworkMemberDeauthorize(const void *db,uint64_t networkId,uint64_t memberId)
{
_listener->onNetworkMemberDeauthorize(this,networkId,memberId);
}
} // namespace ZeroTier