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#include <mbgl/storage/network_status.hpp>
#include <mbgl/util/async_task.hpp>
// Example: Allocate a reachability object
// Reachability* reach = [Reachability reachabilityForInternetConnection];
// reach.reachableBlock = ^(Reachability* reach) { NetworkStatus::Reachable(); };
// [reach startNotifier];
namespace mbgl {
std::atomic<bool> NetworkStatus::online(true);
std::mutex NetworkStatus::mtx;
std::unordered_set<util::AsyncTask *> NetworkStatus::observers;
NetworkStatus::Status NetworkStatus::Get() {
if (online) {
return Status::Online;
} else {
return Status::Offline;
}
}
void NetworkStatus::Set(Status status) {
if (status == Status::Offline) {
online = false;
} else if(!online) {
online = true;
Reachable();
}
}
void NetworkStatus::Subscribe(util::AsyncTask *async) {
std::lock_guard<std::mutex> lock(NetworkStatus::mtx);
observers.insert(async);
}
void NetworkStatus::Unsubscribe(util::AsyncTask *async) {
std::lock_guard<std::mutex> lock(NetworkStatus::mtx);
observers.erase(async);
}
void NetworkStatus::Reachable() {
if (!online) {
return;
}
std::lock_guard<std::mutex> lock(NetworkStatus::mtx);
for (auto async : observers) {
async->send();
}
}
} // namespace mbgl
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