Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | 6169d5f | 2016-03-31 07:46:18 -0700 | [diff] [blame] | 3 | * Copyright 2015, Google Inc. |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
Craig Tiller | 9a4dddd | 2016-03-25 17:08:13 -0700 | [diff] [blame] | 34 | #ifndef GRPC_CORE_LIB_IOMGR_TCP_POSIX_H |
| 35 | #define GRPC_CORE_LIB_IOMGR_TCP_POSIX_H |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 36 | /* |
| 37 | Low level TCP "bottom half" implementation, for use by transports built on |
| 38 | top of a TCP connection. |
| 39 | |
| 40 | Note that this file does not (yet) include APIs for creating the socket in |
| 41 | the first place. |
| 42 | |
| 43 | All calls passing slice transfer ownership of a slice refcount unless |
| 44 | otherwise specified. |
| 45 | */ |
| 46 | |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 47 | #include "src/core/lib/iomgr/endpoint.h" |
Craig Tiller | 8a03448 | 2016-03-28 16:09:04 -0700 | [diff] [blame] | 48 | #include "src/core/lib/iomgr/ev_posix.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 49 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 50 | #define GRPC_TCP_DEFAULT_READ_SLICE_SIZE 8192 |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 51 | |
Craig Tiller | faa8480 | 2015-03-01 21:56:38 -0800 | [diff] [blame] | 52 | extern int grpc_tcp_trace; |
| 53 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 54 | /* Create a tcp endpoint given a file desciptor and a read slice size. |
| 55 | Takes ownership of fd. */ |
Craig Tiller | 20afa3d | 2016-10-17 14:52:14 -0700 | [diff] [blame] | 56 | grpc_endpoint *grpc_tcp_create(grpc_fd *fd, grpc_resource_quota *resource_quota, |
Craig Tiller | e34c285 | 2016-09-23 09:43:32 -0700 | [diff] [blame] | 57 | size_t read_slice_size, const char *peer_string); |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 58 | |
Dan Born | 43a7803 | 2016-01-05 17:17:45 -0800 | [diff] [blame] | 59 | /* Return the tcp endpoint's fd, or -1 if this is not available. Does not |
| 60 | release the fd. |
| 61 | Requires: ep must be a tcp endpoint. |
| 62 | */ |
| 63 | int grpc_tcp_fd(grpc_endpoint *ep); |
| 64 | |
yang-g | 5d85037 | 2015-12-01 10:32:28 -0800 | [diff] [blame] | 65 | /* Destroy the tcp endpoint without closing its fd. *fd will be set and done |
| 66 | * will be called when the endpoint is destroyed. |
| 67 | * Requires: ep must be a tcp endpoint and fd must not be NULL. */ |
yang-g | dc21593 | 2015-11-30 14:25:01 -0800 | [diff] [blame] | 68 | void grpc_tcp_destroy_and_release_fd(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, |
yang-g | 5d85037 | 2015-12-01 10:32:28 -0800 | [diff] [blame] | 69 | int *fd, grpc_closure *done); |
yang-g | dc21593 | 2015-11-30 14:25:01 -0800 | [diff] [blame] | 70 | |
Craig Tiller | 9a4dddd | 2016-03-25 17:08:13 -0700 | [diff] [blame] | 71 | #endif /* GRPC_CORE_LIB_IOMGR_TCP_POSIX_H */ |