| // Copyright 2022 The 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/iomgr/event_engine_shims/tcp_client.h" |
| |
| #include "absl/status/status.h" |
| #include "absl/strings/string_view.h" |
| |
| #include <grpc/event_engine/event_engine.h> |
| #include <grpc/support/time.h> |
| |
| #include "src/core/lib/address_utils/sockaddr_utils.h" |
| #include "src/core/lib/event_engine/default_event_engine.h" |
| #include "src/core/lib/event_engine/resolved_address_internal.h" |
| #include "src/core/lib/event_engine/trace.h" |
| #include "src/core/lib/iomgr/closure.h" |
| #include "src/core/lib/iomgr/endpoint.h" |
| #include "src/core/lib/iomgr/error.h" |
| #include "src/core/lib/iomgr/event_engine_shims/endpoint.h" |
| #include "src/core/lib/iomgr/exec_ctx.h" |
| #include "src/core/lib/resource_quota/resource_quota.h" |
| #include "src/core/lib/transport/error_utils.h" |
| |
| namespace grpc_event_engine { |
| namespace experimental { |
| |
| int64_t event_engine_tcp_client_connect( |
| grpc_closure* on_connect, grpc_endpoint** endpoint, |
| const grpc_event_engine::experimental::EndpointConfig& config, |
| const grpc_resolved_address* addr, grpc_core::Timestamp deadline) { |
| auto resource_quota = reinterpret_cast<grpc_core::ResourceQuota*>( |
| config.GetVoidPointer(GRPC_ARG_RESOURCE_QUOTA)); |
| auto addr_uri = grpc_sockaddr_to_uri(addr); |
| EventEngine* engine_ptr = reinterpret_cast<EventEngine*>( |
| config.GetVoidPointer(GRPC_INTERNAL_ARG_EVENT_ENGINE)); |
| // Keeps the engine alive for some tests that have not otherwise instantiated |
| // an EventEngine |
| std::shared_ptr<EventEngine> keeper; |
| if (engine_ptr == nullptr) { |
| keeper = GetDefaultEventEngine(); |
| engine_ptr = keeper.get(); |
| } |
| EventEngine::ConnectionHandle handle = engine_ptr->Connect( |
| [on_connect, |
| endpoint](absl::StatusOr<std::unique_ptr<EventEngine::Endpoint>> ep) { |
| grpc_core::ApplicationCallbackExecCtx app_ctx; |
| grpc_core::ExecCtx exec_ctx; |
| absl::Status conn_status = ep.ok() ? absl::OkStatus() : ep.status(); |
| if (ep.ok()) { |
| *endpoint = grpc_event_engine_endpoint_create(std::move(*ep)); |
| } else { |
| *endpoint = nullptr; |
| } |
| GRPC_EVENT_ENGINE_TRACE("EventEngine::Connect Status: %s", |
| ep.status().ToString().c_str()); |
| grpc_core::ExecCtx::Run(DEBUG_LOCATION, on_connect, |
| absl_status_to_grpc_error(conn_status)); |
| }, |
| CreateResolvedAddress(*addr), config, |
| resource_quota != nullptr |
| ? resource_quota->memory_quota()->CreateMemoryOwner( |
| absl::StrCat("tcp-client:", addr_uri.value())) |
| : grpc_event_engine::experimental::MemoryAllocator(), |
| std::max(grpc_core::Duration::Milliseconds(1), |
| deadline - grpc_core::Timestamp::Now())); |
| GRPC_EVENT_ENGINE_TRACE("EventEngine::Connect Peer: %s, handle: %" PRId64, |
| (*addr_uri).c_str(), |
| static_cast<int64_t>(handle.keys[0])); |
| return handle.keys[0]; |
| } |
| |
| bool event_engine_tcp_client_cancel_connect(int64_t connection_handle) { |
| GRPC_EVENT_ENGINE_TRACE("EventEngine::CancelConnect handle: %" PRId64, |
| connection_handle); |
| return GetDefaultEventEngine()->CancelConnect( |
| {static_cast<intptr_t>(connection_handle), 0}); |
| } |
| } // namespace experimental |
| } // namespace grpc_event_engine |