1 files changed, 56 insertions, 0 deletions
diff --git a/src/dynamic_load.cpp b/src/dynamic_load.cpp
new file mode 100644
index 0000000..d36c062
--- /dev/null
+++ b/src/dynamic_load.cpp
@@ -0,0 +1,56 @@
+#include <opentracing/dynamic_load.h>
+#include <opentracing/version.h>
+
+namespace opentracing {
+BEGIN_OPENTRACING_ABI_NAMESPACE
+namespace {
+class DynamicLoadErrorCategory : public std::error_category {
+ public:
+  DynamicLoadErrorCategory() {}
+
+  const char* name() const noexcept override {
+    return "OpenTracingDynamicLoadError";
+  }
+
+  std::error_condition default_error_condition(int code) const
+      noexcept override {
+    if (code == dynamic_load_failure_error.value()) {
+      return std::make_error_condition(std::errc::no_such_file_or_directory);
+    }
+    if (code == dynamic_load_not_supported_error.value()) {
+      return std::make_error_condition(std::errc::not_supported);
+    }
+    if (code == incompatible_library_versions_error.value()) {
+      return std::make_error_condition(std::errc::invalid_argument);
+    }
+    return std::error_condition(code, *this);
+  }
+
+  std::string message(int code) const override {
+    if (code == dynamic_load_failure_error.value()) {
+      return "opentracing: failed to load dynamic library";
+    }
+    if (code == dynamic_load_not_supported_error.value()) {
+      return "opentracing: dynamic library loading is not supported";
+    }
+    if (code == incompatible_library_versions_error.value()) {
+      return "opentracing: versions of opentracing libraries are incompatible";
+    }
+    return "opentracing: unknown dynamic load error";
+  }
+};
+}  // anonymous namespace
+
+const std::error_category& dynamic_load_error_category() {
+  static const DynamicLoadErrorCategory error_category;
+  return error_category;
+}
+
+DynamicTracingLibraryHandle::DynamicTracingLibraryHandle(
+    std::unique_ptr<const TracerFactory>&& tracer_factory,
+    std::unique_ptr<DynamicLibraryHandle>&& dynamic_library_handle) noexcept
+    : dynamic_library_handle_{std::move(dynamic_library_handle)},
+      tracer_factory_{std::move(tracer_factory)} {}
+
+END_OPENTRACING_ABI_NAMESPACE
+}  // namespace opentracing