Added link tests for windows DLL.

Status: tentative.

ext/src/dll/dllmain.cc

@@ -9,6 +9,19 @@
 #include <opentelemetry/logs/logger_provider.h>
 #include <opentelemetry/logs/provider.h>
 
+#include <opentelemetry/exporters/otlp/otlp_grpc_exporter_factory.h>
+#include <opentelemetry/exporters/otlp/otlp_grpc_exporter_options.h>
+#include <opentelemetry/exporters/otlp/otlp_grpc_log_record_exporter_factory.h>
+#include <opentelemetry/exporters/otlp/otlp_grpc_log_record_exporter_options.h>
+#include <opentelemetry/exporters/otlp/otlp_grpc_metric_exporter_factory.h>
+#include <opentelemetry/exporters/otlp/otlp_grpc_metric_exporter_options.h>
+#include <opentelemetry/exporters/otlp/otlp_http_exporter_factory.h>
+#include <opentelemetry/exporters/otlp/otlp_http_exporter_options.h>
+#include <opentelemetry/exporters/otlp/otlp_http_log_record_exporter_factory.h>
+#include <opentelemetry/exporters/otlp/otlp_http_log_record_exporter_options.h>
+#include <opentelemetry/exporters/otlp/otlp_http_metric_exporter_factory.h>
+#include <opentelemetry/exporters/otlp/otlp_http_metric_exporter_options.h>
+
 extern "C" BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
 {
   UNREFERENCED_PARAMETER(hInstance);
@@ -17,3 +30,57 @@ extern "C" BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpRes
 
   return TRUE;
 }
+
+extern std::unique_ptr<opentelemetry::sdk::trace::SpanExporter> test_otlp_http_trace()
+{
+  opentelemetry::exporter::otlp::OtlpHttpExporterOptions options;
+  options.url = "your endpoint";
+
+  auto e = opentelemetry::exporter::otlp::OtlpHttpExporterFactory::Create(options);
+  return e;
+}
+
+extern std::unique_ptr<opentelemetry::sdk::metrics::PushMetricExporter> test_otlp_http_metrics()
+{
+  opentelemetry::exporter::otlp::OtlpHttpMetricExporterOptions options;
+  options.url = "your endpoint";
+
+  auto e = opentelemetry::exporter::otlp::OtlpHttpMetricExporterFactory::Create(options);
+  return e;
+}
+
+extern std::unique_ptr<opentelemetry::sdk::logs::LogRecordExporter> test_otlp_http_logs()
+{
+  opentelemetry::exporter::otlp::OtlpHttpLogRecordExporterOptions options;
+  options.url = "your endpoint";
+
+  auto e = opentelemetry::exporter::otlp::OtlpHttpLogRecordExporterFactory::Create(options);
+  return e;
+}
+
+extern std::unique_ptr<opentelemetry::sdk::trace::SpanExporter> test_otlp_grpc_trace()
+{
+  opentelemetry::exporter::otlp::OtlpGrpcExporterOptions options;
+  options.endpoint = "your endpoint";
+
+  auto e = opentelemetry::exporter::otlp::OtlpGrpcExporterFactory::Create(options);
+  return e;
+}
+
+extern std::unique_ptr<opentelemetry::sdk::metrics::PushMetricExporter> test_otlp_grpc_metrics()
+{
+  opentelemetry::exporter::otlp::OtlpGrpcMetricExporterOptions options;
+  options.endpoint = "your endpoint";
+
+  auto e = opentelemetry::exporter::otlp::OtlpGrpcMetricExporterFactory::Create(options);
+  return e;
+}
+
+extern std::unique_ptr<opentelemetry::sdk::logs::LogRecordExporter> test_otlp_grpc_logs()
+{
+  opentelemetry::exporter::otlp::OtlpGrpcLogRecordExporterOptions options;
+  options.endpoint = "your endpoint";
+
+  auto e = opentelemetry::exporter::otlp::OtlpGrpcLogRecordExporterFactory::Create(options);
+  return e;
+}