Convert slice hash table and service config code to C++.

1 files changed, 75 insertions, 0 deletions

diff --git a/src/core/lib/security/transport/target_authority_table.cc b/src/core/lib/security/transport/target_authority_table.cc
new file mode 100644
index 0000000000..1eeb557f6a
--- /dev/null
+++ b/src/core/lib/security/transport/target_authority_table.cc
@@ -0,0 +1,75 @@
+/*
+ *
+ * Copyright 2017 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 <grpc/support/log.h>
+
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/security/transport/target_authority_table.h"
+
+// Channel arg key for the mapping of target addresses to their authorities.
+#define GRPC_ARG_TARGET_AUTHORITY_TABLE "grpc.target_authority_table"
+
+namespace grpc_core {
+namespace {
+
+void* target_authority_table_copy(void* p) {
+  TargetAuthorityTable* table = static_cast<TargetAuthorityTable*>(p);
+  // TODO(roth): When channel_args are converted to C++, pass the
+  // RefCountedPtr<> directly instead of managing the ref manually.
+  table->Ref().release();
+  return p;
+}
+void target_authority_table_destroy(void* p) {
+  TargetAuthorityTable* table = static_cast<TargetAuthorityTable*>(p);
+  table->Unref();
+}
+int target_authority_table_cmp(void* a, void* b) {
+  return TargetAuthorityTable::Cmp(
+      *static_cast<const TargetAuthorityTable*>(a),
+      *static_cast<const TargetAuthorityTable*>(b));
+}
+const grpc_arg_pointer_vtable target_authority_table_arg_vtable = {
+    target_authority_table_copy, target_authority_table_destroy,
+    target_authority_table_cmp};
+
+}  // namespace
+
+grpc_arg CreateTargetAuthorityTableChannelArg(TargetAuthorityTable* table) {
+  return grpc_channel_arg_pointer_create((char*)GRPC_ARG_TARGET_AUTHORITY_TABLE,
+                                         table,
+                                         &target_authority_table_arg_vtable);
+}
+
+TargetAuthorityTable* FindTargetAuthorityTableInArgs(
+    const grpc_channel_args* args) {
+  const grpc_arg* arg =
+      grpc_channel_args_find(args, GRPC_ARG_TARGET_AUTHORITY_TABLE);
+  if (arg != nullptr) {
+    if (arg->type == GRPC_ARG_POINTER) {
+      return static_cast<TargetAuthorityTable*>(arg->value.pointer.p);
+    } else {
+      gpr_log(GPR_ERROR, "value of " GRPC_ARG_TARGET_AUTHORITY_TABLE
+                         " channel arg was not pointer type; ignoring");
+    }
+  }
+  return nullptr;
+}
+
+}  // namespace grpc_core