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 #ifndef LIMENKA_INTERFACES_INIT_H
6 #define LIMENKA_INTERFACES_INIT_H
7 8 #include <interfaces/chain.h>
9 #include <interfaces/echo.h>
10 #include <interfaces/mining.h>
11 #include <interfaces/node.h>
12 #include <interfaces/wallet.h>
13 14 #include <memory>
15 16 namespace node {
17 struct NodeContext;
18 } // namespace node
19 20 namespace interfaces {
21 class Ipc;
22 23 //! Initial interface created when a process is first started, and used to give
24 //! and get access to other interfaces (Node, Chain, Wallet, etc).
25 //!
26 //! There is a different Init interface implementation for each process
27 //! (limenka-gui, limenka-node, limenka-wallet, limenkad, limenka-qt) and each
28 //! implementation can implement the make methods for interfaces it supports.
29 //! The default make methods all return null.
30 class Init
31 {
32 public:
33 virtual ~Init() = default;
34 virtual std::unique_ptr<Node> makeNode() { return nullptr; }
35 virtual std::unique_ptr<Chain> makeChain() { return nullptr; }
36 virtual std::unique_ptr<Mining> makeMining() { return nullptr; }
37 virtual std::unique_ptr<WalletLoader> makeWalletLoader(Chain& chain) { return nullptr; }
38 virtual std::unique_ptr<Echo> makeEcho() { return nullptr; }
39 virtual Ipc* ipc() { return nullptr; }
40 virtual bool canListenIpc() { return false; }
41 };
42 43 //! Return implementation of Init interface for the node process. If the argv
44 //! indicates that this is a child process spawned to handle requests from a
45 //! parent process, this blocks and handles requests, then returns null and a
46 //! status code to exit with. If this returns non-null, the caller can start up
47 //! normally and use the Init object to spawn and connect to other processes
48 //! while it is running.
49 std::unique_ptr<Init> MakeNodeInit(node::NodeContext& node, int argc, char* argv[], int& exit_status);
50 51 //! Return implementation of Init interface for the wallet process.
52 std::unique_ptr<Init> MakeWalletInit(int argc, char* argv[], int& exit_status);
53 54 //! Return implementation of Init interface for the gui process.
55 std::unique_ptr<Init> MakeGuiInit(int argc, char* argv[]);
56 } // namespace interfaces
57 58 #endif // LIMENKA_INTERFACES_INIT_H
59