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src/providers/provider.cpp

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+/*
+  Copyright <2018-2022> <scott.e.graves@protonmail.com>
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+  associated documentation files (the "Software"), to deal in the Software without restriction,
+  including without limitation the rights to use, copy, modify, merge, publish, distribute,
+  sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all copies or
+  substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
+  NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+  DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
+  OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+#include "providers/provider.hpp"
+#include "comm/aws_s3/aws_s3_comm.hpp"
+#include "comm/curl/curl_comm.hpp"
+#include "comm/i_comm.hpp"
+#include "comm/i_s3_comm.hpp"
+#include "app_config.hpp"
+#include "events/events.hpp"
+#include "providers/passthrough/passthroughprovider.hpp"
+#include "providers/s3/s3_provider.hpp"
+#include "providers/sia/sia_provider.hpp"
+#include "providers/skynet/skynet_provider.hpp"
+#include "types/startup_exception.hpp"
+
+namespace repertory {
+template <typename i, typename t>
+static void create_comm(std::unique_ptr<i> &comm, app_config &config) {
+  if (comm) {
+    throw startup_exception("'create_provider' should only be called once");
+  }
+  comm = std::make_unique<t>(config);
+}
+
+std::unique_ptr<i_provider> create_provider(const provider_type &pt, app_config &config) {
+  static std::mutex mutex;
+  mutex_lock lock(mutex);
+
+  static std::unique_ptr<i_comm> comm;
+#if defined(REPERTORY_ENABLE_S3)
+  static std::unique_ptr<i_s3_comm> s3_comm;
+#endif // defined(REPERTORY_ENABLE_S3)
+
+  switch (pt) {
+  case provider_type::sia:
+    create_comm<i_comm, curl_comm>(comm, config);
+    return std::unique_ptr<i_provider>(dynamic_cast<i_provider *>(new sia_provider(config, *comm)));
+#if defined(REPERTORY_ENABLE_S3)
+  case provider_type::s3:
+    create_comm<i_s3_comm, aws_s3_comm>(s3_comm, config);
+    return std::unique_ptr<i_provider>(
+        dynamic_cast<i_provider *>(new s3_provider(config, *s3_comm)));
+#endif // defined(REPERTORY_ENABLE_S3)
+#if defined(REPERTORY_ENABLE_SKYNET)
+  case provider_type::skynet:
+    create_comm<i_comm, curl_comm>(comm, config);
+    return std::unique_ptr<i_provider>(
+        dynamic_cast<i_provider *>(new skynet_provider(config, *comm)));
+#endif // defined(REPERTORY_ENABLE_SKYNET)
+#if defined(REPERTORY_TESTING_NEW)
+  case provider_type::passthrough:
+    return std::unique_ptr<i_provider>(
+        dynamic_cast<i_provider *>(new CPassthroughProvider(config)));
+#endif // defined(REPERTORY_TESTING_NEW)
+  case provider_type::unknown:
+  default:
+    throw startup_exception("provider not supported: " + app_config::get_provider_display_name(pt));
+  }
+}
+} // namespace repertory