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#pragma once
#include <library/cpp/actors/core/actorsystem.h>
#include <library/cpp/actors/core/actor.h>
#include <library/cpp/actors/core/hfunc.h>
#include <library/cpp/actors/core/events.h>
#include <library/cpp/actors/core/event_local.h>
#include <library/cpp/actors/core/actor_bootstrapped.h>
#include <library/cpp/actors/core/log.h>
#include <library/cpp/actors/interconnect/poller_actor.h>
#include <library/cpp/dns/cache.h>
#include <library/cpp/monlib/metrics/metric_registry.h>
#include <util/generic/variant.h>
#include "http.h"
#include "http_proxy_ssl.h"
namespace NHttp {
struct TSocketDescriptor : NActors::TSharedDescriptor, THttpConfig {
SocketType Socket;
int GetDescriptor() override {
return static_cast<SOCKET>(Socket);
}
};
struct TEvHttpProxy {
enum EEv {
EvAddListeningPort = EventSpaceBegin(NActors::TEvents::ES_HTTP),
EvConfirmListen,
EvRegisterHandler,
EvHttpIncomingRequest,
EvHttpOutgoingRequest,
EvHttpIncomingResponse,
EvHttpOutgoingResponse,
EvHttpConnectionOpened,
EvHttpConnectionClosed,
EvHttpAcceptorClosed,
EvResolveHostRequest,
EvResolveHostResponse,
EvReportSensors,
EvEnd
};
static_assert(EvEnd < EventSpaceEnd(NActors::TEvents::ES_HTTP), "ES_HTTP event space is too small.");
struct TEvAddListeningPort : NActors::TEventLocal<TEvAddListeningPort, EvAddListeningPort> {
TIpPort Port;
TString WorkerName;
bool Secure = false;
TString CertificateFile;
TString PrivateKeyFile;
TString SslCertificatePem;
TEvAddListeningPort(TIpPort port)
: Port(port)
{}
TEvAddListeningPort(TIpPort port, const TString& workerName)
: Port(port)
, WorkerName(workerName)
{}
};
struct TEvConfirmListen : NActors::TEventLocal<TEvConfirmListen, EvConfirmListen> {
THttpConfig::SocketAddressType Address;
TEvConfirmListen(const THttpConfig::SocketAddressType& address)
: Address(address)
{}
};
struct TEvRegisterHandler : NActors::TEventLocal<TEvRegisterHandler, EvRegisterHandler> {
TString Path;
TActorId Handler;
TEvRegisterHandler(const TString& path, const TActorId& handler)
: Path(path)
, Handler(handler)
{}
};
struct TEvHttpIncomingRequest : NActors::TEventLocal<TEvHttpIncomingRequest, EvHttpIncomingRequest> {
THttpIncomingRequestPtr Request;
TEvHttpIncomingRequest(THttpIncomingRequestPtr request)
: Request(std::move(request))
{}
};
struct TEvHttpOutgoingRequest : NActors::TEventLocal<TEvHttpOutgoingRequest, EvHttpOutgoingRequest> {
THttpOutgoingRequestPtr Request;
TDuration Timeout;
TEvHttpOutgoingRequest(THttpOutgoingRequestPtr request)
: Request(std::move(request))
{}
TEvHttpOutgoingRequest(THttpOutgoingRequestPtr request, TDuration timeout)
: Request(std::move(request))
, Timeout(timeout)
{}
};
struct TEvHttpIncomingResponse : NActors::TEventLocal<TEvHttpIncomingResponse, EvHttpIncomingResponse> {
THttpOutgoingRequestPtr Request;
THttpIncomingResponsePtr Response;
TString Error;
TEvHttpIncomingResponse(THttpOutgoingRequestPtr request, THttpIncomingResponsePtr response, const TString& error)
: Request(std::move(request))
, Response(std::move(response))
, Error(error)
{}
TEvHttpIncomingResponse(THttpOutgoingRequestPtr request, THttpIncomingResponsePtr response)
: Request(std::move(request))
, Response(std::move(response))
{}
TString GetError() const {
TStringBuilder error;
if (Response != nullptr && !Response->Status.StartsWith('2')) {
error << Response->Status << ' ' << Response->Message;
}
if (!Error.empty()) {
if (!error.empty()) {
error << ';';
}
error << Error;
}
return error;
}
};
struct TEvHttpOutgoingResponse : NActors::TEventLocal<TEvHttpOutgoingResponse, EvHttpOutgoingResponse> {
THttpOutgoingResponsePtr Response;
TEvHttpOutgoingResponse(THttpOutgoingResponsePtr response)
: Response(std::move(response))
{}
};
struct TEvHttpConnectionOpened : NActors::TEventLocal<TEvHttpConnectionOpened, EvHttpConnectionOpened> {
TString PeerAddress;
TActorId ConnectionID;
TEvHttpConnectionOpened(const TString& peerAddress, const TActorId& connectionID)
: PeerAddress(peerAddress)
, ConnectionID(connectionID)
{}
};
struct TEvHttpConnectionClosed : NActors::TEventLocal<TEvHttpConnectionClosed, EvHttpConnectionClosed> {
TActorId ConnectionID;
TDeque<THttpIncomingRequestPtr> RecycledRequests;
TEvHttpConnectionClosed(const TActorId& connectionID)
: ConnectionID(connectionID)
{}
TEvHttpConnectionClosed(const TActorId& connectionID, TDeque<THttpIncomingRequestPtr> recycledRequests)
: ConnectionID(connectionID)
, RecycledRequests(std::move(recycledRequests))
{}
};
struct TEvHttpAcceptorClosed : NActors::TEventLocal<TEvHttpAcceptorClosed, EvHttpAcceptorClosed> {
TActorId ConnectionID;
TEvHttpAcceptorClosed(const TActorId& connectionID)
: ConnectionID(connectionID)
{}
};
struct TEvResolveHostRequest : NActors::TEventLocal<TEvResolveHostRequest, EvResolveHostRequest> {
TString Host;
TEvResolveHostRequest(const TString& host)
: Host(host)
{}
};
struct TEvResolveHostResponse : NActors::TEventLocal<TEvResolveHostResponse, EvResolveHostResponse> {
TString Host;
TSockAddrInet6 Address;
TString Error;
TEvResolveHostResponse(const TString& host, const TSockAddrInet6& address)
: Host(host)
, Address(address)
{}
TEvResolveHostResponse(const TString& error)
: Error(error)
{}
};
struct TEvReportSensors : NActors::TEventLocal<TEvReportSensors, EvReportSensors> {
TString Direction;
TString Host;
TString Url;
TString Status;
TDuration Time;
TEvReportSensors(
TStringBuf direction,
TStringBuf host,
TStringBuf url,
TStringBuf status,
TDuration time)
: Direction(direction)
, Host(host)
, Url(url)
, Status(status)
, Time(time)
{}
};
};
struct TEndpointInfo {
TActorId Proxy;
TActorId Owner;
TString WorkerName;
bool Secure;
TSslHelpers::TSslHolder<SSL_CTX> SecureContext;
};
NActors::IActor* CreateHttpProxy(NMonitoring::TMetricRegistry& sensors);
NActors::IActor* CreateHttpAcceptorActor(const TActorId& owner, const TActorId& poller);
NActors::IActor* CreateOutgoingConnectionActor(const TActorId& owner, const TString& host, bool secure, const TActorId& poller);
NActors::IActor* CreateIncomingConnectionActor(
const TEndpointInfo& endpoint,
TIntrusivePtr<TSocketDescriptor> socket,
THttpConfig::SocketAddressType address,
THttpIncomingRequestPtr recycledRequest = nullptr);
TEvHttpProxy::TEvReportSensors* BuildOutgoingRequestSensors(const THttpOutgoingRequestPtr& request, const THttpIncomingResponsePtr& response);
TEvHttpProxy::TEvReportSensors* BuildIncomingRequestSensors(const THttpIncomingRequestPtr& request, const THttpOutgoingResponsePtr& response);
}
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