Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc-cloned / deps / grpc / src / core / lib / channel / handshaker_registry.cc

diff --git a/legacy-libs/grpc-cloned/deps/grpc/src/core/lib/channel/handshaker_registry.cc b/legacy-libs/grpc-cloned/deps/grpc/src/core/lib/channel/handshaker_registry.cc
new file mode 100644 (file)
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+++ b/legacy-libs/grpc-cloned/deps/grpc/src/core/lib/channel/handshaker_registry.cc
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+/*
+ *
+ * Copyright 2016 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#include "src/core/lib/channel/handshaker_registry.h"
+#include "src/core/lib/gpr/alloc.h"
+#include "src/core/lib/gprpp/inlined_vector.h"
+#include "src/core/lib/gprpp/memory.h"
+
+#include <string.h>
+#include <algorithm>
+
+#include <grpc/support/alloc.h>
+
+//
+// grpc_handshaker_factory_list
+//
+
+namespace grpc_core {
+
+namespace {
+
+class HandshakerFactoryList {
+ public:
+  void Register(bool at_start, UniquePtr<HandshakerFactory> factory);
+  void AddHandshakers(const grpc_channel_args* args,
+                      grpc_pollset_set* interested_parties,
+                      HandshakeManager* handshake_mgr);
+
+ private:
+  InlinedVector<UniquePtr<HandshakerFactory>, 2> factories_;
+};
+
+HandshakerFactoryList* g_handshaker_factory_lists = nullptr;
+
+}  // namespace
+
+void HandshakerFactoryList::Register(bool at_start,
+                                     UniquePtr<HandshakerFactory> factory) {
+  factories_.push_back(std::move(factory));
+  if (at_start) {
+    auto* end = &factories_[factories_.size() - 1];
+    std::rotate(&factories_[0], end, end + 1);
+  }
+}
+
+void HandshakerFactoryList::AddHandshakers(const grpc_channel_args* args,
+                                           grpc_pollset_set* interested_parties,
+                                           HandshakeManager* handshake_mgr) {
+  for (size_t idx = 0; idx < factories_.size(); ++idx) {
+    auto& handshaker_factory = factories_[idx];
+    handshaker_factory->AddHandshakers(args, interested_parties, handshake_mgr);
+  }
+}
+
+//
+// plugin
+//
+
+void HandshakerRegistry::Init() {
+  GPR_ASSERT(g_handshaker_factory_lists == nullptr);
+  g_handshaker_factory_lists =
+      static_cast<HandshakerFactoryList*>(gpr_malloc_aligned(
+          sizeof(*g_handshaker_factory_lists) * NUM_HANDSHAKER_TYPES,
+          GPR_MAX_ALIGNMENT));
+
+  GPR_ASSERT(g_handshaker_factory_lists != nullptr);
+  for (auto idx = 0; idx < NUM_HANDSHAKER_TYPES; ++idx) {
+    auto factory_list = g_handshaker_factory_lists + idx;
+    new (factory_list) HandshakerFactoryList();
+  }
+}
+
+void HandshakerRegistry::Shutdown() {
+  GPR_ASSERT(g_handshaker_factory_lists != nullptr);
+  for (auto idx = 0; idx < NUM_HANDSHAKER_TYPES; ++idx) {
+    auto factory_list = g_handshaker_factory_lists + idx;
+    factory_list->~HandshakerFactoryList();
+  }
+  gpr_free_aligned(g_handshaker_factory_lists);
+  g_handshaker_factory_lists = nullptr;
+}
+
+void HandshakerRegistry::RegisterHandshakerFactory(
+    bool at_start, HandshakerType handshaker_type,
+    UniquePtr<HandshakerFactory> factory) {
+  GPR_ASSERT(g_handshaker_factory_lists != nullptr);
+  auto& factory_list = g_handshaker_factory_lists[handshaker_type];
+  factory_list.Register(at_start, std::move(factory));
+}
+
+void HandshakerRegistry::AddHandshakers(HandshakerType handshaker_type,
+                                        const grpc_channel_args* args,
+                                        grpc_pollset_set* interested_parties,
+                                        HandshakeManager* handshake_mgr) {
+  GPR_ASSERT(g_handshaker_factory_lists != nullptr);
+  auto& factory_list = g_handshaker_factory_lists[handshaker_type];
+  factory_list.AddHandshakers(args, interested_parties, handshake_mgr);
+}
+
+}  // namespace grpc_core