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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "ok_state.h"
#include "cmd.h"
#include "i_rpc_server_manager.h"
#include "managed_rpc_server.h"
#include <deque>
namespace slobrok {
//-----------------------------------------------------------------------------
class RpcServerManager;
class ExchangeManager;
//-----------------------------------------------------------------------------
/**
* @class RemoteSlobrok
* @brief Keeps track of and talks to a remote location broker
*
* Handles one single partner slobrok
**/
class RemoteSlobrok: public IRpcServerManager,
public FRT_IRequestWait
{
private:
RemoteSlobrok(const RemoteSlobrok&); // not used
RemoteSlobrok& operator= (const RemoteSlobrok&); // not used
class Reconnecter : public FNET_Task
{
private:
int _waittime;
RemoteSlobrok &_owner;
Reconnecter(const Reconnecter &); // not used
Reconnecter &operator=(const Reconnecter &); // not used
public:
explicit Reconnecter(FNET_Scheduler *sched, RemoteSlobrok &owner);
~Reconnecter();
void scheduleTryConnect();
void disable();
void PerformTask() override;
};
private:
ExchangeManager &_exchanger;
RpcServerManager &_rpcsrvmanager;
FRT_Target *_remote;
ManagedRpcServer _rpcserver;
Reconnecter _reconnecter;
int _failCnt;
FRT_RPCRequest *_remAddPeerReq;
FRT_RPCRequest *_remListReq;
FRT_RPCRequest *_remAddReq;
FRT_RPCRequest *_remRemReq;
std::deque<NamedService *> _pending;
void pushMine();
void doPending();
public:
RemoteSlobrok(const char *name, const char *spec,
ExchangeManager &manager);
~RemoteSlobrok();
void fail();
bool isConnected() const { return (_remote != NULL); }
void tryConnect();
void healthCheck();
void invokeAsync(FRT_RPCRequest *req,
double timeout,
FRT_IRequestWait *rwaiter);
const char *getName() const { return _rpcserver.getName(); }
const char *getSpec() const { return _rpcserver.getSpec(); }
// interfaces implemented:
void notifyFailedRpcSrv(ManagedRpcServer *rpcsrv, std::string errmsg) override;
void notifyOkRpcSrv(ManagedRpcServer *rpcsrv) override;
void RequestDone(FRT_RPCRequest *req) override;
FRT_Supervisor *getSupervisor() override;
};
//-----------------------------------------------------------------------------
} // namespace slobrok
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