Function CallIPC

src/bitcoin-cli.cpp:800–831

};

static std::optional<UniValue> CallIPC(BaseRequestHandler* rh, const std::string& strMethod, const std::vector<std::string>& args, const std::string& endpoint, const std::string& username)
{
    auto ipcconnect{gArgs.GetArg("-ipcconnect", "auto")};
    if (ipcconnect == "0") return {}; // Do not attempt IPC if -ipcconnect is disabled.
    if (gArgs.IsArgSet("-rpcconnect") && !gArgs.IsArgNegated("-rpcconnect")) {
        if (ipcconnect == "auto") return {}; // Use HTTP if -ipcconnect=auto is set and -rpcconnect is enabled.
        throw std::runtime_error("-rpcconnect and -ipcconnect options cannot both be enabled");
    }

    std::unique_ptr<interfaces::Init> local_init{interfaces::MakeBasicInit("bitcoin-cli")};
    if (!local_init || !local_init->ipc()) {
        if (ipcconnect == "auto") return {}; // Use HTTP if -ipcconnect=auto is set and there is no IPC support.
        throw std::runtime_error("bitcoin-cli was not built with IPC support");
    }

    std::unique_ptr<interfaces::Init> node_init;
    try {
        node_init = local_init->ipc()->connectAddress(ipcconnect);
        if (!node_init) return {}; // Fall back to HTTP if -ipcconnect=auto connect failed.
    } catch (const std::exception& e) {
        // Catch connect error if -ipcconnect=unix was specified
        throw CConnectionFailed{strprintf("%s\n\n"
            "Probably bitcoin-node is not running or not listening on a unix socket. Can be started with:\n\n"
            "    bitcoin-node -chain=%s -ipcbind=unix", e.what(), gArgs.GetChainTypeString())};
    }

    std::unique_ptr<interfaces::Rpc> rpc{node_init->makeRpc()};
    assert(rpc);
    UniValue request{rh->PrepareRequest(strMethod, args)};
    UniValue reply{rpc->executeRpc(std::move(request), endpoint, username)};
    return rh->ProcessReply(reply);
}

/**
 * Simple synchronous HTTP client using Sock class.