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#include <erebos/sync.h>
#include <erebos/identity.h>
#include <erebos/network.h>
using namespace erebos;
using std::scoped_lock;
static const UUID myUUID("a4f538d0-4e50-4082-8e10-7e3ec2af175d");
SyncService::SyncService() = default;
SyncService::~SyncService() = default;
UUID SyncService::uuid() const
{
return myUUID;
}
void SyncService::handle(Context & ctx)
{
auto pid = ctx.peer().identity();
if (!pid)
return;
const auto & powner = pid->finalOwner();
const Identity owner = ctx.peer().server().identity().finalOwner();
if (!powner.sameAs(owner))
return;
ctx.local(
ctx.local()->sharedRefAdd(ctx.ref())
);
}
void SyncService::serverStarted(const Server & s)
{
server = &s;
server->peerList().onUpdate(std::bind(&SyncService::peerWatcher, this,
std::placeholders::_1, std::placeholders::_2));
watchedLocal = server->localState().lens<vector<Ref>>().watch(std::bind(&SyncService::localStateWatcher, this,
std::placeholders::_1));
}
void SyncService::peerWatcher(size_t, const Peer * peer)
{
if (peer) {
if (auto id = peer->identity()) {
if (id->finalOwner().sameAs(server->identity().finalOwner()))
for (const auto & r : server->localState().get().sharedRefs())
peer->send(myUUID, r);
}
}
}
void SyncService::localStateWatcher(const vector<Ref> & refs)
{
const auto & plist = server->peerList();
const Identity owner = server->identity().finalOwner();
for (size_t i = 0; i < plist.size(); i++)
if (auto id = plist.at(i).identity())
if (id->finalOwner().sameAs(owner))
for (const auto & r : refs)
plist.at(i).send(myUUID, r);
}
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