limenka-node.cpp raw

   1  // Copyright (c) 2021-2022 The Limenka developers
   2  // Distributed under the MIT software license, see the accompanying
   3  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4  
   5  #include <init.h>
   6  #include <interfaces/chain.h>
   7  #include <interfaces/echo.h>
   8  #include <interfaces/init.h>
   9  #include <interfaces/ipc.h>
  10  #include <interfaces/node.h>
  11  #include <interfaces/wallet.h>
  12  #include <node/context.h>
  13  #include <util/check.h>
  14  
  15  #include <memory>
  16  
  17  namespace init {
  18  namespace {
  19  const char* EXE_NAME = "limenka-node";
  20  
  21  class LimenkaNodeInit : public interfaces::Init
  22  {
  23  public:
  24      LimenkaNodeInit(node::NodeContext& node, const char* arg0)
  25          : m_node(node),
  26            m_ipc(interfaces::MakeIpc(EXE_NAME, arg0, *this))
  27      {
  28          InitContext(m_node);
  29          m_node.init = this;
  30      }
  31      std::unique_ptr<interfaces::Node> makeNode() override { return interfaces::MakeNode(m_node); }
  32      std::unique_ptr<interfaces::Chain> makeChain() override { return interfaces::MakeChain(m_node); }
  33      std::unique_ptr<interfaces::Mining> makeMining() override { return interfaces::MakeMining(m_node); }
  34      std::unique_ptr<interfaces::WalletLoader> makeWalletLoader(interfaces::Chain& chain) override
  35      {
  36          return MakeWalletLoader(chain, *Assert(m_node.args));
  37      }
  38      std::unique_ptr<interfaces::Echo> makeEcho() override { return interfaces::MakeEcho(); }
  39      interfaces::Ipc* ipc() override { return m_ipc.get(); }
  40      bool canListenIpc() override { return true; }
  41      node::NodeContext& m_node;
  42      std::unique_ptr<interfaces::Ipc> m_ipc;
  43  };
  44  } // namespace
  45  } // namespace init
  46  
  47  namespace interfaces {
  48  std::unique_ptr<Init> MakeNodeInit(node::NodeContext& node, int argc, char* argv[], int& exit_status)
  49  {
  50      auto init = std::make_unique<init::LimenkaNodeInit>(node, argc > 0 ? argv[0] : "");
  51      // Check if limenka-node is being invoked as an IPC server. If so, then
  52      // bypass normal execution and just respond to requests over the IPC
  53      // channel and return null.
  54      if (init->m_ipc->startSpawnedProcess(argc, argv, exit_status)) {
  55          return nullptr;
  56      }
  57      return init;
  58  }
  59  } // namespace interfaces
  60