Initial Release

src/c/handle.cpp

@@ -0,0 +1,70 @@
+#include <thespian/c/handle.h>
+#include <thespian/handle.hpp>
+#include <thespian/instance.hpp>
+
+namespace {
+
+static thread_local cbor::buffer
+    message_buffer; // NOLINT(*-avoid-non-const-global-variables)
+static thread_local thespian_error
+    error_buffer; // NOLINT(*-avoid-non-const-global-variables)
+
+auto to_thespian_result(thespian::result r) -> thespian_result {
+  if (r) {
+    return nullptr;
+  }
+  message_buffer = r.error();
+  error_buffer.base = message_buffer.data();
+  error_buffer.len = message_buffer.size();
+  return &error_buffer;
+}
+
+} // namespace
+
+extern "C" {
+
+auto thespian_handle_clone(thespian_handle h) -> thespian_handle {
+  thespian::handle *h_{
+      reinterpret_cast<thespian::handle *>( // NOLINT(*-reinterpret-cast)
+          h)};
+  if (!h_)
+    return nullptr;
+  return reinterpret_cast<thespian_handle>( // NOLINT(*-reinterpret-cast)
+      new thespian::handle{*h_});
+}
+
+void thespian_handle_destroy(thespian_handle h) {
+  thespian::handle *h_{
+      reinterpret_cast<thespian::handle *>( // NOLINT(*-reinterpret-cast)
+          h)};
+  delete h_;
+}
+
+auto thespian_handle_send_raw(thespian_handle h, cbor_buffer m)
+    -> thespian_result {
+  thespian::handle *h_{
+      reinterpret_cast<thespian::handle *>( // NOLINT(*-reinterpret-cast)
+          h)};
+  cbor::buffer buf;
+  const uint8_t *data = m.base;
+  std::copy(data, data + m.len, // NOLINT(*-pointer-arithmetic)
+            back_inserter(buf));
+  return to_thespian_result(h_->send_raw(move(buf)));
+}
+
+auto thespian_handle_send_exit(thespian_handle h, c_string_view err)
+    -> thespian_result {
+  thespian::handle *h_{
+      reinterpret_cast<thespian::handle *>( // NOLINT(*-reinterpret-cast)
+          h)};
+  return to_thespian_result(h_->exit(std::string(err.base, err.len)));
+}
+
+auto thespian_handle_is_expired(thespian_handle h) -> bool {
+  thespian::handle *h_{
+      reinterpret_cast<thespian::handle *>( // NOLINT(*-reinterpret-cast)
+          h)};
+  return h_->expired();
+}
+
+}