initial import of Monero base code

src/device/device.cpp

@@ -0,0 +1,105 @@
+// Copyright (c) 2017-2023, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+
+#include "device.hpp"
+#include "device_default.hpp"
+#ifdef WITH_DEVICE_LEDGER
+#include "device_ledger.hpp"
+#endif
+#include "misc_log_ex.h"
+
+
+namespace hw {
+    
+    /* ======================================================================= */
+    /*  SETUP                                                                  */
+    /* ======================================================================= */
+
+    static device_registry *get_device_registry(bool clear = false){
+      static device_registry *registry = new device_registry();
+      if (clear)
+      {
+        delete registry;
+        registry = NULL;
+      }
+      return registry;
+    }
+
+    static void clear_device_registry(){
+      get_device_registry(true);
+    }
+
+    device_registry::device_registry(){
+        hw::core::register_all(registry);
+        #ifdef WITH_DEVICE_LEDGER
+        hw::ledger::register_all(registry);
+        #endif
+        atexit(clear_device_registry);
+    }
+
+    bool device_registry::register_device(const std::string & device_name, device * hw_device){
+        auto search = registry.find(device_name);
+        if (search != registry.end()){
+            return false;
+        }
+
+        registry.insert(std::make_pair(device_name, std::unique_ptr<device>(hw_device)));
+        return true;
+    }
+
+    device& device_registry::get_device(const std::string & device_descriptor){
+        // Device descriptor can contain further specs after first :
+        auto delim = device_descriptor.find(':');
+        auto device_descriptor_lookup = device_descriptor;
+        if (delim != std::string::npos) {
+            device_descriptor_lookup = device_descriptor.substr(0, delim);
+        }
+
+        auto device = registry.find(device_descriptor_lookup);
+        if (device == registry.end()) {
+            MERROR("Device not found in registry: '" << device_descriptor << "'. Known devices: ");
+            for( const auto& sm_pair : registry ) {
+                MERROR(" - " << sm_pair.first);
+            }
+            throw std::runtime_error("device not found: " + device_descriptor);
+        }
+        return *device->second;
+    }
+
+    device& get_device(const std::string & device_descriptor) {
+        device_registry *registry = get_device_registry();
+        return registry->get_device(device_descriptor);
+    }
+
+    bool register_device(const std::string & device_name, device * hw_device){
+        device_registry *registry = get_device_registry();
+        return registry->register_device(device_name, hw_device);
+    }
+
+}