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#include "storage.h"
#include <typeinfo>
namespace NBus {
namespace NPrivate {
TTimedMessages::TTimedMessages() {
}
TTimedMessages::~TTimedMessages() {
Y_VERIFY(Items.empty());
}
void TTimedMessages::PushBack(TNonDestroyingAutoPtr<TBusMessage> m) {
TItem i;
i.Message.Reset(m.Release());
Items.push_back(i);
}
TNonDestroyingAutoPtr<TBusMessage> TTimedMessages::PopFront() {
TBusMessage* r = nullptr;
if (!Items.empty()) {
r = Items.front()->Message.Release();
Items.pop_front();
}
return r;
}
bool TTimedMessages::Empty() const {
return Items.empty();
}
size_t TTimedMessages::Size() const {
return Items.size();
}
void TTimedMessages::Timeout(TInstant before, TMessagesPtrs* r) {
// shortcut
if (before == TInstant::Max()) {
Clear(r);
return;
}
while (!Items.empty()) {
TItem& i = *Items.front();
if (TInstant::MilliSeconds(i.Message->GetHeader()->SendTime) > before) {
break;
}
r->push_back(i.Message.Release());
Items.pop_front();
}
}
void TTimedMessages::Clear(TMessagesPtrs* r) {
while (!Items.empty()) {
r->push_back(Items.front()->Message.Release());
Items.pop_front();
}
}
TSyncAckMessages::TSyncAckMessages() {
KeyToMessage.set_empty_key(0);
KeyToMessage.set_deleted_key(1);
}
TSyncAckMessages::~TSyncAckMessages() {
Y_VERIFY(KeyToMessage.empty());
Y_VERIFY(TimedItems.empty());
}
void TSyncAckMessages::Push(TBusMessagePtrAndHeader& m) {
// Perform garbage collection if `TimedMessages` contain too many junk data
if (TimedItems.size() > 1000 && TimedItems.size() > KeyToMessage.size() * 4) {
Gc();
}
TValue value = {m.MessagePtr.Release()};
std::pair<TKeyToMessage::iterator, bool> p = KeyToMessage.insert(TKeyToMessage::value_type(m.Header.Id, value));
Y_VERIFY(p.second, "non-unique id; %s", value.Message->Describe().data());
TTimedItem item = {m.Header.Id, m.Header.SendTime};
TimedItems.push_back(item);
}
TBusMessage* TSyncAckMessages::Pop(TBusKey id) {
TKeyToMessage::iterator it = KeyToMessage.find(id);
if (it == KeyToMessage.end()) {
return nullptr;
}
TValue v = it->second;
KeyToMessage.erase(it);
// `TimedMessages` still contain record about this message
return v.Message;
}
void TSyncAckMessages::Timeout(TInstant before, TMessagesPtrs* r) {
// shortcut
if (before == TInstant::Max()) {
Clear(r);
return;
}
Y_ASSERT(r->empty());
while (!TimedItems.empty()) {
TTimedItem i = TimedItems.front();
if (TInstant::MilliSeconds(i.SendTime) > before) {
break;
}
TKeyToMessage::iterator itMessage = KeyToMessage.find(i.Key);
if (itMessage != KeyToMessage.end()) {
r->push_back(itMessage->second.Message);
KeyToMessage.erase(itMessage);
}
TimedItems.pop_front();
}
}
void TSyncAckMessages::Clear(TMessagesPtrs* r) {
for (TKeyToMessage::const_iterator i = KeyToMessage.begin(); i != KeyToMessage.end(); ++i) {
r->push_back(i->second.Message);
}
KeyToMessage.clear();
TimedItems.clear();
}
void TSyncAckMessages::Gc() {
TDeque<TTimedItem> tmp;
for (auto& timedItem : TimedItems) {
if (KeyToMessage.find(timedItem.Key) == KeyToMessage.end()) {
continue;
}
tmp.push_back(timedItem);
}
TimedItems.swap(tmp);
}
void TSyncAckMessages::RemoveAll(const TMessagesPtrs& messages) {
for (auto message : messages) {
TKeyToMessage::iterator it = KeyToMessage.find(message->GetHeader()->Id);
Y_VERIFY(it != KeyToMessage.end(), "delete non-existent message");
KeyToMessage.erase(it);
}
}
void TSyncAckMessages::DumpState() {
Cerr << TimedItems.size() << Endl;
Cerr << KeyToMessage.size() << Endl;
}
}
}
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