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#include "key_value_printer.h"
#include "mb_lwtrace.h"
#include "remote_client_session.h"
#include "remote_server_session.h"
#include "ybus.h"
#include <util/generic/singleton.h>
using namespace NBus;
using namespace NBus::NPrivate;
using namespace NActor;
TBusMessageQueuePtr NBus::CreateMessageQueue(const TBusQueueConfig& config, TExecutorPtr executor, TBusLocator* locator, const char* name) {
return new TBusMessageQueue(config, executor, locator, name);
}
TBusMessageQueuePtr NBus::CreateMessageQueue(const TBusQueueConfig& config, TBusLocator* locator, const char* name) {
TExecutor::TConfig executorConfig;
executorConfig.WorkerCount = config.NumWorkers;
executorConfig.Name = name;
TExecutorPtr executor = new TExecutor(executorConfig);
return CreateMessageQueue(config, executor, locator, name);
}
TBusMessageQueuePtr NBus::CreateMessageQueue(const TBusQueueConfig& config, const char* name) {
return CreateMessageQueue(config, new TBusLocator, name);
}
TBusMessageQueuePtr NBus::CreateMessageQueue(TExecutorPtr executor, const char* name) {
return CreateMessageQueue(TBusQueueConfig(), executor, new TBusLocator, name);
}
TBusMessageQueuePtr NBus::CreateMessageQueue(const char* name) {
TBusQueueConfig config;
return CreateMessageQueue(config, name);
}
namespace {
TBusQueueConfig QueueConfigFillDefaults(const TBusQueueConfig& orig, const TString& name) {
TBusQueueConfig patched = orig;
if (!patched.Name) {
patched.Name = name;
}
return patched;
}
}
TBusMessageQueue::TBusMessageQueue(const TBusQueueConfig& config, TExecutorPtr executor, TBusLocator* locator, const char* name)
: Config(QueueConfigFillDefaults(config, name))
, Locator(locator)
, WorkQueue(executor)
, Running(1)
{
InitBusLwtrace();
InitNetworkSubSystem();
}
TBusMessageQueue::~TBusMessageQueue() {
Stop();
}
void TBusMessageQueue::Stop() {
if (!AtomicCas(&Running, 0, 1)) {
ShutdownComplete.WaitI();
return;
}
Scheduler.Stop();
DestroyAllSessions();
WorkQueue->Stop();
ShutdownComplete.Signal();
}
bool TBusMessageQueue::IsRunning() {
return AtomicGet(Running);
}
TBusMessageQueueStatus TBusMessageQueue::GetStatusRecordInternal() const {
TBusMessageQueueStatus r;
r.ExecutorStatus = WorkQueue->GetStatusRecordInternal();
r.Config = Config;
return r;
}
TString TBusMessageQueue::GetStatusSelf() const {
return GetStatusRecordInternal().PrintToString();
}
TString TBusMessageQueue::GetStatusSingleLine() const {
return WorkQueue->GetStatusSingleLine();
}
TString TBusMessageQueue::GetStatus(ui16 flags) const {
TStringStream ss;
ss << GetStatusSelf();
TList<TIntrusivePtr<TBusSessionImpl>> sessions;
{
TGuard<TMutex> scope(Lock);
sessions = Sessions;
}
for (TList<TIntrusivePtr<TBusSessionImpl>>::const_iterator session = sessions.begin();
session != sessions.end(); ++session) {
ss << Endl;
ss << (*session)->GetStatus(flags);
}
ss << Endl;
ss << "object counts (not necessarily owned by this message queue):" << Endl;
TKeyValuePrinter p;
p.AddRow("TRemoteClientConnection", TObjectCounter<TRemoteClientConnection>::ObjectCount(), false);
p.AddRow("TRemoteServerConnection", TObjectCounter<TRemoteServerConnection>::ObjectCount(), false);
p.AddRow("TRemoteClientSession", TObjectCounter<TRemoteClientSession>::ObjectCount(), false);
p.AddRow("TRemoteServerSession", TObjectCounter<TRemoteServerSession>::ObjectCount(), false);
p.AddRow("NEventLoop::TEventLoop", TObjectCounter<NEventLoop::TEventLoop>::ObjectCount(), false);
p.AddRow("NEventLoop::TChannel", TObjectCounter<NEventLoop::TChannel>::ObjectCount(), false);
ss << p.PrintToString();
return ss.Str();
}
TBusClientSessionPtr TBusMessageQueue::CreateSource(TBusProtocol* proto, IBusClientHandler* handler, const TBusClientSessionConfig& config, const TString& name) {
TRemoteClientSessionPtr session(new TRemoteClientSession(this, proto, handler, config, name));
Add(session.Get());
return session.Get();
}
TBusServerSessionPtr TBusMessageQueue::CreateDestination(TBusProtocol* proto, IBusServerHandler* handler, const TBusClientSessionConfig& config, const TString& name) {
TRemoteServerSessionPtr session(new TRemoteServerSession(this, proto, handler, config, name));
try {
int port = config.ListenPort;
if (port == 0) {
port = Locator->GetLocalPort(proto->GetService());
}
if (port == 0) {
port = proto->GetPort();
}
session->Listen(port, this);
Add(session.Get());
return session.Release();
} catch (...) {
Y_FAIL("create destination failure: %s", CurrentExceptionMessage().c_str());
}
}
TBusServerSessionPtr TBusMessageQueue::CreateDestination(TBusProtocol* proto, IBusServerHandler* handler, const TBusServerSessionConfig& config, const TVector<TBindResult>& bindTo, const TString& name) {
TRemoteServerSessionPtr session(new TRemoteServerSession(this, proto, handler, config, name));
try {
session->Listen(bindTo, this);
Add(session.Get());
return session.Release();
} catch (...) {
Y_FAIL("create destination failure: %s", CurrentExceptionMessage().c_str());
}
}
void TBusMessageQueue::Add(TIntrusivePtr<TBusSessionImpl> session) {
TGuard<TMutex> scope(Lock);
Sessions.push_back(session);
}
void TBusMessageQueue::Remove(TBusSession* session) {
TGuard<TMutex> scope(Lock);
TList<TIntrusivePtr<TBusSessionImpl>>::iterator it = std::find(Sessions.begin(), Sessions.end(), session);
Y_VERIFY(it != Sessions.end(), "do not destroy session twice");
Sessions.erase(it);
}
void TBusMessageQueue::Destroy(TBusSession* session) {
session->Shutdown();
}
void TBusMessageQueue::DestroyAllSessions() {
TList<TIntrusivePtr<TBusSessionImpl>> sessions;
{
TGuard<TMutex> scope(Lock);
sessions = Sessions;
}
for (auto& session : sessions) {
Y_VERIFY(session->IsDown(), "Session must be shut down prior to queue shutdown");
}
}
void TBusMessageQueue::Schedule(IScheduleItemAutoPtr i) {
Scheduler.Schedule(i);
}
TString TBusMessageQueue::GetNameInternal() const {
return Config.Name;
}
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