1 // Copyright 2022 The gRPC Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 #ifndef GRPC_SRC_CORE_LIB_IOMGR_EVENT_ENGINE_SHIMS_TCP_CLIENT_H 15 #define GRPC_SRC_CORE_LIB_IOMGR_EVENT_ENGINE_SHIMS_TCP_CLIENT_H 16 #include <grpc/event_engine/event_engine.h> 17 #include <grpc/support/port_platform.h> 18 19 #include "src/core/lib/iomgr/endpoint.h" 20 #include "src/core/lib/iomgr/resolved_address.h" 21 22 namespace grpc_event_engine { 23 namespace experimental { 24 25 /// Attempts to use event engine to connect to the specified remote address and 26 /// invokes the on_connect callback asynchronously upon connection 27 /// establishment, failure or timeout. It returns a 64 bit connection handle 28 /// which can later be used to cancel an in progress connection attempt. 29 int64_t event_engine_tcp_client_connect(grpc_closure* on_connect, 30 grpc_endpoint** endpoint, 31 const EndpointConfig& config, 32 const grpc_resolved_address* addr, 33 grpc_core::Timestamp deadline); 34 35 /// Attempts to cancel an in progress connection attempt represented by the 36 /// passed in connection handle. It returns true if the cancellation attempt 37 /// succeeded. Otherwise it returns false. 38 bool event_engine_tcp_client_cancel_connect(int64_t connection_handle); 39 40 } // namespace experimental 41 } // namespace grpc_event_engine 42 43 #endif // GRPC_SRC_CORE_LIB_IOMGR_EVENT_ENGINE_SHIMS_TCP_CLIENT_H 44