hftest.hpp

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//-------------------------------------------------------------------------------------------------
/*

Fix8 is released under the GNU LESSER GENERAL PUBLIC LICENSE Version 3.

Fix8 Open Source FIX Engine.
Copyright (C) 2010-16 David L. Dight <fix@fix8.org>

Fix8 is free software: you can  redistribute it and / or modify  it under the  terms of the
GNU Lesser General  Public License as  published  by the Free  Software Foundation,  either
version 3 of the License, or (at your option) any later version.

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even the  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

You should  have received a copy of the GNU Lesser General Public  License along with Fix8.
If not, see <http://www.gnu.org/licenses/>.

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*/
//-------------------------------------------------------------------------------------------------
#ifndef FIX8_HFTEST_HPP_
#define FIX8_HFTEST_HPP_

//-----------------------------------------------------------------------------------------
class hf_session_client;


class tex_router_client : public FIX8::TEX::Perf_Router
{
   hf_session_client& _session;

public:
   tex_router_client(hf_session_client& session) : _session(session) {}

   virtual bool operator() (const FIX8::TEX::ExecutionReport *msg);
};


class hf_session_client : public FIX8::Session
{
   tex_router_client _router;
   using Nos_queue = std::queue<FIX8::TEX::NewOrderSingle *>;
   Nos_queue _nos_queue;

public:
   hf_session_client(const FIX8::F8MetaCntx& ctx, const FIX8::SessionID& sid, FIX8::Persister *persist=nullptr,
      FIX8::Logger *logger=nullptr, FIX8::Logger *plogger=nullptr) : Session(ctx, sid, persist, logger, plogger), _router(*this) {}

   bool handle_application(const unsigned seqnum, const FIX8::Message *&msg);

   void push(FIX8::TEX::NewOrderSingle *nos) { _nos_queue.push(nos); }
   FIX8::TEX::NewOrderSingle *pop()
   {
      if (_nos_queue.empty())
         return 0;
      FIX8::TEX::NewOrderSingle *nos(_nos_queue.front());
      _nos_queue.pop();
      return nos;
   }

   bool cached() const { return !_nos_queue.empty(); }
   int size() const { return static_cast<int>(_nos_queue.size()); }
};

//-----------------------------------------------------------------------------------------
class hf_session_server;


class tex_router_server : public FIX8::TEX::Perf_Router
{
   hf_session_server& _session;

public:
   tex_router_server(hf_session_server& session) : _session(session) {}

   virtual bool operator() (const FIX8::TEX::NewOrderSingle *msg);
};


class hf_session_server : public FIX8::Session
{
   tex_router_server _router;

public:
   hf_session_server(const FIX8::F8MetaCntx& ctx, const FIX8::sender_comp_id& sci, FIX8::Persister *persist=nullptr,
      FIX8::Logger *logger=nullptr, FIX8::Logger *plogger=nullptr) : Session(ctx, sci, persist, logger, plogger),
      _router(*this) {}

   bool handle_application(const unsigned seqnum, const FIX8::Message *&msg);
};

//-------------------------------------------------------------------------------------------------
class MyMenu
{
   FIX8::tty_save_state _tty;

   struct MenuItem
   {
      const char _key = 0;
      const std::string _help;

      MenuItem(char key, const std::string help=std::string()) : _key(key), _help(help) {}
      MenuItem() = default;
      bool operator() (const MenuItem& a, const MenuItem& b) const { return a._key < b._key; }
   };

   hf_session_client& _session;
   std::istream _istr;
   std::ostream& _ostr;

   using Handlers = std::map<const MenuItem, bool (MyMenu::*)(), MenuItem>;
   static const Handlers _handlers;

public:
   MyMenu(FIX8::Session& session, int infd, std::ostream& ostr)
      : _tty(infd), _session(static_cast<hf_session_client&>(session)),
      _istr(new FIX8::fdinbuf(infd)), _ostr(ostr) {}
   virtual ~MyMenu() {}

   std::istream& get_istr() { return _istr; }
   std::ostream& get_ostr() { return _ostr; }
   bool process(char ch)
   {
      auto itr(_handlers.find({ch}));
      return itr == _handlers.end() ? true : (this->*itr->second)();
   }

   bool new_order_single();
   bool preload_new_order_single();
   bool batch_preload_new_order_single();
   bool multi_new_order_single();
   bool send_all_preloaded();
   bool send_all_preloaded(coroutine& coro, FIX8::Session *ses);
   bool help();
   bool do_exit() { return false; }
   bool do_logout();

   FIX8::tty_save_state& get_tty() { return _tty; }
};

//-----------------------------------------------------------------------------------------
struct RandDev
{
   static void init()
   {
#ifdef _MSC_VER
      srand (static_cast<unsigned>(time(0) % _getpid()));
#else
      srandom (static_cast<unsigned>(time(0) % getpid()));
#endif
   }

   template<typename T>
    static T getrandom(const T range=0)
    {
#ifdef _MSC_VER
       T target(rand());
#else
      T target(random());
#endif
      return range ? target / (RAND_MAX / range + 1) : target;
   }
};

#endif // FIX8_HFTEST_HPP_