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#include "msgbus_client.h"
#include <util/system/event.h>
namespace NKikimr {
namespace NMsgBusProxy {
void TMsgBusClientConfig::CrackAddress(const TString& address, TString& hostname, ui32& port) {
size_t first_colon_pos = address.find(':');
if (first_colon_pos != TString::npos) {
size_t last_colon_pos = address.rfind(':');
if (last_colon_pos == first_colon_pos) {
// only one colon, simple case
port = FromString<ui32>(address.substr(first_colon_pos + 1));
hostname = address.substr(0, first_colon_pos);
} else {
// ipv6?
size_t closing_bracket_pos = address.rfind(']');
if (closing_bracket_pos == TString::npos || closing_bracket_pos > last_colon_pos) {
// whole address is ipv6 host
hostname = address;
} else {
port = FromString<ui32>(address.substr(last_colon_pos + 1));
hostname = address.substr(0, last_colon_pos);
}
if (hostname.StartsWith('[') && hostname.EndsWith(']')) {
hostname = hostname.substr(1, hostname.size() - 2);
}
}
} else {
hostname = address;
}
}
struct TMessageCookie
{
virtual void Signal(TAutoPtr<NBus::TBusMessage>& msg, NBus::EMessageStatus errorStatus, TAutoPtr<NBus::TBusMessage> reply) = 0;
virtual ~TMessageCookie()
{
}
};
struct TSyncMessageCookie : public TMessageCookie {
TAutoPtr<NBus::TBusMessage> Reply;
NBus::EMessageStatus ErrorStatus = NBus::MESSAGE_UNKNOWN;
TManualEvent Ev;
TSyncMessageCookie()
: Ev()
{}
void Wait() {
Ev.Wait();
}
virtual void Signal(TAutoPtr<NBus::TBusMessage>& msg, NBus::EMessageStatus errorStatus, TAutoPtr<NBus::TBusMessage> reply) {
Y_UNUSED(msg.Release());
ErrorStatus = errorStatus;
Reply = reply;
Ev.Signal();
}
};
template <typename CallbackType>
struct TAsyncMessageCookie : public TMessageCookie {
CallbackType Callback;
void* Data;
explicit TAsyncMessageCookie(CallbackType callback, void* data)
: Callback(callback)
, Data(data)
{}
void Signal(TAutoPtr<NBus::TBusMessage>& msg, NBus::EMessageStatus errorStatus, TAutoPtr<NBus::TBusMessage> reply) override;
};
template <>
void TAsyncMessageCookie<TMsgBusClient::TOnCall>::Signal(TAutoPtr<NBus::TBusMessage>& msg, NBus::EMessageStatus errorStatus, TAutoPtr<NBus::TBusMessage> reply) {
msg->Data = Data;
Callback(errorStatus, reply);
delete this; // we must cleanup cookie after use
}
template <>
void TAsyncMessageCookie<TMsgBusClient::TOnCallWithRequest>::Signal(TAutoPtr<NBus::TBusMessage>& msg, NBus::EMessageStatus errorStatus, TAutoPtr<NBus::TBusMessage> reply) {
msg->Data = Data;
Callback(errorStatus, msg, reply);
delete this; // we must cleanup cookie after use
}
TMsgBusClientConfig::TMsgBusClientConfig()
: Ip("localhost")
, Port(NMsgBusProxy::TProtocol::DefaultPort)
, UseCompression(false)
{}
void TMsgBusClientConfig::ConfigureLastGetopt(NLastGetopt::TOpts &opts, const TString& prefix) {
BusSessionConfig.ConfigureLastGetopt(opts, prefix);
BusQueueConfig.ConfigureLastGetopt(opts, prefix);
}
TMsgBusClient::TMsgBusClient(const TMsgBusClientConfig &config)
: Config(config)
, Protocol(NMsgBusProxy::TProtocol::DefaultPort)
{}
TMsgBusClient::~TMsgBusClient() {
Shutdown();
}
void TMsgBusClient::Init() {
NetAddr = new NBus::TNetAddr(Config.Ip, Config.Port); // could throw
Bus = NBus::CreateMessageQueue(Config.BusQueueConfig);
Session = NBus::TBusClientSession::Create(&Protocol, this, Config.BusSessionConfig, Bus);
}
void TMsgBusClient::Shutdown() {
if (Bus) {
if (Session) {
Session->Shutdown();
}
Session.Drop();
Bus.Drop();
}
}
NBus::EMessageStatus TMsgBusClient::SyncCall(TAutoPtr<NBus::TBusMessage> msg, TAutoPtr<NBus::TBusMessage> &reply) {
Y_VERIFY(!msg->Data);
TAutoPtr<TSyncMessageCookie> cookie(new TSyncMessageCookie());
msg->Data = cookie.Get();
// msgbus would recreate second TAutoPtr for our msg pointer (wut?!) Second copy terminates in OnRelease/OnError where we release it.
NBus::EMessageStatus status = Session->SendMessage(msg.Get(), NetAddr.Get(), true);
if (status == NBus::MESSAGE_OK) {
cookie->Wait();
reply = cookie->Reply;
return cookie->ErrorStatus;
} else {
return status;
}
}
NBus::EMessageStatus TMsgBusClient::AsyncCall(TAutoPtr<NBus::TBusMessage> msg, TOnCall callback) {
TAutoPtr<TMessageCookie> cookie(new TAsyncMessageCookie<TOnCall>(callback, msg->Data));
msg->Data = cookie.Get();
if (Config.UseCompression) {
msg->SetCompressed(true);
msg->SetCompressedResponse(true);
}
NBus::EMessageStatus status = Session->SendMessage(msg.Get(), NetAddr.Get(), false);
if (status == NBus::MESSAGE_OK) {
// would be destructed in onresult/onerror
Y_UNUSED(cookie.Release());
Y_UNUSED(msg.Release());
}
return status;
}
NBus::EMessageStatus TMsgBusClient::AsyncCall(TAutoPtr<NBus::TBusMessage> msg, TOnCallWithRequest callback) {
TAutoPtr<TMessageCookie> cookie(new TAsyncMessageCookie<TOnCallWithRequest>(callback, msg->Data));
msg->Data = cookie.Get();
if (Config.UseCompression) {
msg->SetCompressed(true);
msg->SetCompressedResponse(true);
}
NBus::EMessageStatus status = Session->SendMessage(msg.Get(), NetAddr.Get(), false);
if (status == NBus::MESSAGE_OK) {
// would be destructed in onresult/onerror
Y_UNUSED(cookie.Release());
Y_UNUSED(msg.Release());
}
return status;
}
void TMsgBusClient::OnResult(TAutoPtr<NBus::TBusMessage> pMessage, NBus::EMessageStatus status, TAutoPtr<NBus::TBusMessage> pReply) {
static_cast<TMessageCookie*>(pMessage->Data)->Signal(pMessage, status, pReply);
}
void TMsgBusClient::OnReply(TAutoPtr<NBus::TBusMessage> pMessage, TAutoPtr<NBus::TBusMessage> pReply) {
OnResult(pMessage, NBus::MESSAGE_OK, pReply);
}
void TMsgBusClient::OnError(TAutoPtr<NBus::TBusMessage> pMessage, NBus::EMessageStatus status) {
if (status == NBus::MESSAGE_UNKNOWN) // timeouted request
return;
OnResult(pMessage, status, TAutoPtr<NBus::TBusMessage>());
}
const TMsgBusClientConfig& TMsgBusClient::GetConfig() {
return Config;
}
EDataReqStatusExcerpt ExtractDataRequestStatus(const NKikimrClient::TResponse *record) {
if (!record)
return EDataReqStatusExcerpt::Unknown;
switch (record->GetStatus()) {
case MSTATUS_OK:
return EDataReqStatusExcerpt::Complete;
case MSTATUS_INPROGRESS:
return EDataReqStatusExcerpt::InProgress;
case MSTATUS_ERROR:
return EDataReqStatusExcerpt::Error;
case MSTATUS_TIMEOUT:
return EDataReqStatusExcerpt::LostInSpaceAndTime;
case MSTATUS_NOTREADY:
case MSTATUS_REJECTED:
return EDataReqStatusExcerpt::RejectedForNow;
case MSTATUS_INTERNALERROR:
return EDataReqStatusExcerpt::InternalError;
default:
return EDataReqStatusExcerpt::Unknown;
}
}
}
void SetMsgBusDefaults(NBus::TBusSessionConfig& sessionConfig,
NBus::TBusQueueConfig& queueConfig) {
size_t memorySize = NSystemInfo::TotalMemorySize();
if (!memorySize) {
memorySize = 1 << 30;
}
sessionConfig.MaxInFlightBySize =
(memorySize / 20);
sessionConfig.MaxInFlight =
sessionConfig.MaxInFlightBySize / 1024;
queueConfig.NumWorkers =
((NSystemInfo::CachedNumberOfCpus() - 1) / 4 + 1);
sessionConfig.TotalTimeout = TDuration::Minutes(5).MilliSeconds();
sessionConfig.ConnectTimeout = TDuration::Seconds(15).MilliSeconds();
}
}
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