1 // 2 // 3 // Copyright 2018 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_SRC_CORE_TSI_ALTS_HANDSHAKER_ALTS_SHARED_RESOURCE_H 20 #define GRPC_SRC_CORE_TSI_ALTS_HANDSHAKER_ALTS_SHARED_RESOURCE_H 21 22 #include <grpc/support/port_platform.h> 23 24 #include <grpc/grpc.h> 25 #include <grpc/support/sync.h> 26 27 #include "src/core/lib/gprpp/thd.h" 28 #include "src/core/lib/iomgr/pollset_set.h" 29 #include "src/core/lib/surface/completion_queue.h" 30 31 /// 32 /// Main struct containing ALTS shared resources used when 33 /// employing the dedicated completion queue and thread. 34 /// 35 typedef struct alts_shared_resource_dedicated { 36 grpc_core::Thread thread; 37 grpc_completion_queue* cq; 38 grpc_pollset_set* interested_parties; 39 grpc_cq_completion storage; 40 gpr_mu mu; 41 grpc_channel* channel; 42 } alts_shared_resource_dedicated; 43 44 // This method returns the address of alts_shared_resource_dedicated 45 // object shared by all TSI handshakes. 46 // 47 alts_shared_resource_dedicated* grpc_alts_get_shared_resource_dedicated(void); 48 49 /// 50 /// This method destroys the alts_shared_resource_dedicated object 51 /// shared by all TSI handshakes. The application is responsible for 52 /// invoking the API before calling grpc_shutdown(). 53 /// 54 void grpc_alts_shared_resource_dedicated_shutdown(); 55 56 /// 57 /// This method initializes the alts_shared_resource_dedicated object 58 /// shared by all TSI handshakes. The application is responsible for 59 /// invoking the API after calling grpc_init(); 60 /// 61 void grpc_alts_shared_resource_dedicated_init(); 62 63 /// 64 /// This method populates various fields of the alts_shared_resource_dedicated 65 /// object shared by all TSI handshakes and start the dedicated thread. 66 /// The API will be invoked by the caller in a lazy manner. That is, 67 /// it will get invoked when ALTS TSI handshake occurs for the first time. 68 /// 69 void grpc_alts_shared_resource_dedicated_start( 70 const char* handshaker_service_url); 71 72 #endif // GRPC_SRC_CORE_TSI_ALTS_HANDSHAKER_ALTS_SHARED_RESOURCE_H 73