1 //
2 //
3 // Copyright 2020 gRPC authors.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 //     http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 //
17 //
18 
19 #ifndef GRPC_CORE_EXT_XDS_CERTIFICATE_PROVIDER_REGISTRY_H
20 #define GRPC_CORE_EXT_XDS_CERTIFICATE_PROVIDER_REGISTRY_H
21 
22 #include <grpc/support/port_platform.h>
23 
24 #include <string>
25 
26 #include "src/core/ext/xds/certificate_provider_factory.h"
27 
28 namespace grpc_core {
29 
30 // Global registry for all the certificate provider plugins.
31 class CertificateProviderRegistry {
32  public:
33   // Returns the factory for the plugin keyed by name.
34   static CertificateProviderFactory* LookupCertificateProviderFactory(
35       absl::string_view name);
36 
37   // The following methods are used to create and populate the
38   // CertificateProviderRegistry. NOT THREAD SAFE -- to be used only during
39   // global gRPC initialization and shutdown.
40 
41   // Global initialization of the registry.
42   static void InitRegistry();
43 
44   // Global shutdown of the registry.
45   static void ShutdownRegistry();
46 
47   // Register a provider with the registry. Can only be called after calling
48   // InitRegistry(). The key of the factory is extracted from factory
49   // parameter with method CertificateProviderFactory::name. If the same key
50   // is registered twice, an exception is raised.
51   static void RegisterCertificateProviderFactory(
52       std::unique_ptr<CertificateProviderFactory> factory);
53 };
54 
55 }  // namespace grpc_core
56 
57 #endif  // GRPC_CORE_EXT_XDS_CERTIFICATE_PROVIDER_REGISTRY_H
58