| /* |
| * |
| * 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 "src/core/tsi/alts_transport_security.h" |
| |
| #include <string.h> |
| |
| static alts_shared_resource g_alts_resource; |
| |
| alts_shared_resource* alts_get_shared_resource(void) { |
| return &g_alts_resource; |
| } |
| |
| static void grpc_tsi_alts_wait_for_cq_drain() { |
| gpr_mu_lock(&g_alts_resource.mu); |
| while (!g_alts_resource.is_cq_drained) { |
| gpr_cv_wait(&g_alts_resource.cv, &g_alts_resource.mu, |
| gpr_inf_future(GPR_CLOCK_REALTIME)); |
| } |
| gpr_mu_unlock(&g_alts_resource.mu); |
| } |
| |
| void grpc_tsi_alts_signal_for_cq_destroy() { |
| gpr_mu_lock(&g_alts_resource.mu); |
| g_alts_resource.is_cq_drained = true; |
| gpr_cv_signal(&g_alts_resource.cv); |
| gpr_mu_unlock(&g_alts_resource.mu); |
| } |
| |
| void grpc_tsi_alts_init() { |
| g_alts_resource.channel = nullptr; |
| g_alts_resource.cq = nullptr; |
| g_alts_resource.is_cq_drained = false; |
| gpr_mu_init(&g_alts_resource.mu); |
| gpr_cv_init(&g_alts_resource.cv); |
| } |
| |
| void grpc_tsi_alts_shutdown() { |
| if (g_alts_resource.cq != nullptr) { |
| grpc_completion_queue_shutdown(g_alts_resource.cq); |
| grpc_tsi_alts_wait_for_cq_drain(); |
| grpc_completion_queue_destroy(g_alts_resource.cq); |
| grpc_channel_destroy(g_alts_resource.channel); |
| g_alts_resource.thread.Join(); |
| } |
| gpr_cv_destroy(&g_alts_resource.cv); |
| gpr_mu_destroy(&g_alts_resource.mu); |
| } |