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#include "services.h"
#include <library/cpp/actors/core/hfunc.h>
#include <library/cpp/actors/core/actor_bootstrapped.h>
#include <library/cpp/actors/protos/services_common.pb.h>
#include <library/cpp/actors/http/http.h>
#include <library/cpp/actors/http/http_proxy.h>
#include <util/system/hostname.h>
#include <util/string/builder.h>
class TExampleHttpRequest : public TActor<TExampleHttpRequest> {
TIntrusivePtr<TExampleStorageConfig> Config;
const TString PublishKey;
TActorId HttpProxy;
NHttp::THttpIncomingRequestPtr Request;
void Handle(NHttp::TEvHttpProxy::TEvHttpIncomingRequest::TPtr &ev) {
Request = std::move(ev->Get()->Request);
HttpProxy = ev->Sender;
Register(CreateLookupActor(Config.Get(), PublishKey, SelfId()));
}
void Handle(TEvExample::TEvInfo::TPtr &ev) {
auto *msg = ev->Get();
TStringBuilder body;
for (const auto &x : msg->Payloads)
body << x << Endl;
auto response = Request->CreateResponseOK(body, "application/text; charset=utf-8");
Send(HttpProxy, new NHttp::TEvHttpProxy::TEvHttpOutgoingResponse(response));
PassAway();
}
public:
static constexpr IActor::EActivityType ActorActivityType() {
// define app-specific activity tag to track elapsed cpu | handled events | actor count in Solomon
return EActorActivity::ACTORLIB_COMMON;
}
TExampleHttpRequest(TExampleStorageConfig *config, const TString &publishKey)
: TActor(&TThis::StateWork)
, Config(config)
, PublishKey(publishKey)
{}
STFUNC(StateWork) {
switch (ev->GetTypeRewrite()) {
hFunc(NHttp::TEvHttpProxy::TEvHttpIncomingRequest, Handle);
hFunc(TEvExample::TEvInfo, Handle);
}
}
};
class TExampleHttpEndpoint : public TActorBootstrapped<TExampleHttpEndpoint> {
TIntrusivePtr<TExampleStorageConfig> Config;
const TString PublishKey;
const ui16 HttpPort;
TActorId PublishActor;
TActorId HttpProxy;
std::shared_ptr<NMonitoring::TMetricRegistry> SensorsRegistry = std::make_shared<NMonitoring::TMetricRegistry>();
void PassAway() override {
Send(PublishActor, new TEvents::TEvPoison());
Send(HttpProxy, new TEvents::TEvPoison());
return TActor::PassAway();
}
void Handle(NHttp::TEvHttpProxy::TEvHttpIncomingRequest::TPtr &ev) {
const TActorId reqActor = Register(new TExampleHttpRequest(Config.Get(), PublishKey));
TlsActivationContext->Send(ev->Forward(reqActor));
}
public:
static constexpr IActor::EActivityType ActorActivityType() {
// define app-specific activity tag to track elapsed cpu | handled events | actor count in Solomon
return EActorActivity::ACTORLIB_COMMON;
}
TExampleHttpEndpoint(TExampleStorageConfig *config, const TString &publishKey, ui16 port)
: Config(config)
, PublishKey(publishKey)
, HttpPort(port)
{
}
void Bootstrap() {
const TString publishPayload = ToString(HttpPort);
PublishActor = Register(CreatePublishActor(Config.Get(), PublishKey, publishPayload));
HttpProxy = Register(NHttp::CreateHttpProxy(SensorsRegistry));
Send(HttpProxy, new NHttp::TEvHttpProxy::TEvAddListeningPort(HttpPort, FQDNHostName()));
Send(HttpProxy, new NHttp::TEvHttpProxy::TEvRegisterHandler("/list", SelfId()));
Become(&TThis::StateWork);
}
STFUNC(StateWork) {
switch (ev->GetTypeRewrite()) {
hFunc(NHttp::TEvHttpProxy::TEvHttpIncomingRequest, Handle);
default:
break;
}
}
};
IActor* CreateEndpointActor(TExampleStorageConfig *config, const TString &publishKey, ui16 port) {
return new TExampleHttpEndpoint(config, publishKey, port);
}
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