| // |
| // |
| // Copyright 2015 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. |
| // |
| // |
| |
| #ifndef GRPC_SRC_CORE_LIB_IOMGR_TCP_POSIX_H |
| #define GRPC_SRC_CORE_LIB_IOMGR_TCP_POSIX_H |
| // |
| // Low level TCP "bottom half" implementation, for use by transports built on |
| // top of a TCP connection. |
| |
| // Note that this file does not (yet) include APIs for creating the socket in |
| // the first place. |
| |
| // All calls passing slice transfer ownership of a slice refcount unless |
| // otherwise specified. |
| // |
| |
| #include <grpc/support/port_platform.h> |
| |
| #include "src/core/lib/debug/trace.h" |
| #include "src/core/lib/iomgr/buffer_list.h" |
| #include "src/core/lib/iomgr/endpoint.h" |
| #include "src/core/lib/iomgr/ev_posix.h" |
| #include "src/core/lib/iomgr/port.h" |
| #include "src/core/lib/iomgr/socket_utils_posix.h" |
| |
| extern grpc_core::TraceFlag grpc_tcp_trace; |
| |
| /// Create a tcp endpoint given a file desciptor and a read slice size. |
| /// Takes ownership of \a fd. Takes ownership of the \a slice_allocator. |
| grpc_endpoint* grpc_tcp_create(grpc_fd* fd, |
| const grpc_core::PosixTcpOptions& options, |
| absl::string_view peer_string); |
| |
| /// Return the tcp endpoint's fd, or -1 if this is not available. Does not |
| /// release the fd. Requires: \a ep must be a tcp endpoint. |
| int grpc_tcp_fd(grpc_endpoint* ep); |
| |
| /// Destroy the tcp endpoint without closing its fd. *fd will be set and done |
| /// will be called when the endpoint is destroyed. Requires: \a ep must be a tcp |
| /// endpoint and fd must not be NULL. |
| void grpc_tcp_destroy_and_release_fd(grpc_endpoint* ep, int* fd, |
| grpc_closure* done); |
| |
| #ifdef GRPC_POSIX_SOCKET_TCP |
| |
| void grpc_tcp_posix_init(); |
| |
| void grpc_tcp_posix_shutdown(); |
| |
| #endif // GRPC_POSIX_SOCKET_TCP |
| |
| #endif // GRPC_SRC_CORE_LIB_IOMGR_TCP_POSIX_H |