David Garcia Quintas | 2a50dfe | 2016-05-31 15:09:12 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2016, Google Inc. |
| 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 | |
| 34 | #include <grpc/support/alloc.h> |
| 35 | #include <grpc/support/log.h> |
| 36 | |
| 37 | #include "src/core/lib/iomgr/polling_entity.h" |
| 38 | |
| 39 | grpc_polling_entity grpc_pops_create_from_pollset_set( |
| 40 | grpc_pollset_set *pollset_set) { |
| 41 | grpc_polling_entity pollent; |
| 42 | pollent.pollent.pollset_set = pollset_set; |
| 43 | pollent.tag = POPS_POLLSET_SET; |
| 44 | return pollent; |
| 45 | } |
| 46 | |
| 47 | grpc_polling_entity grpc_pops_create_from_pollset(grpc_pollset *pollset) { |
| 48 | grpc_polling_entity pollent; |
| 49 | pollent.pollent.pollset = pollset; |
| 50 | pollent.tag = POPS_POLLSET; |
| 51 | return pollent; |
| 52 | } |
| 53 | |
| 54 | grpc_pollset *grpc_pops_pollset(grpc_polling_entity *pollent) { |
| 55 | if (pollent->tag == POPS_POLLSET) { |
| 56 | return pollent->pollent.pollset; |
| 57 | } |
| 58 | return NULL; |
| 59 | } |
| 60 | |
| 61 | grpc_pollset_set *grpc_pops_pollset_set(grpc_polling_entity *pollent) { |
| 62 | if (pollent->tag == POPS_POLLSET_SET) { |
| 63 | return pollent->pollent.pollset_set; |
| 64 | } |
| 65 | return NULL; |
| 66 | } |
| 67 | |
| 68 | bool grpc_pops_is_empty(const grpc_polling_entity *pollent) { |
| 69 | return pollent->tag == POPS_NONE; |
| 70 | } |
| 71 | |
| 72 | void grpc_pops_add_to_pollset_set(grpc_exec_ctx *exec_ctx, |
| 73 | grpc_polling_entity *pollent, |
| 74 | grpc_pollset_set *pss_dst) { |
| 75 | if (pollent->tag == POPS_POLLSET) { |
| 76 | GPR_ASSERT(pollent->pollent.pollset != NULL); |
| 77 | grpc_pollset_set_add_pollset(exec_ctx, pss_dst, pollent->pollent.pollset); |
| 78 | } else if (pollent->tag == POPS_POLLSET_SET) { |
| 79 | GPR_ASSERT(pollent->pollent.pollset_set != NULL); |
| 80 | grpc_pollset_set_add_pollset_set(exec_ctx, pss_dst, |
| 81 | pollent->pollent.pollset_set); |
| 82 | } else { |
| 83 | gpr_log(GPR_ERROR, "Invalid grpc_polling_entity tag '%d'", pollent->tag); |
| 84 | abort(); |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | void grpc_pops_del_to_pollset_set(grpc_exec_ctx *exec_ctx, |
| 89 | grpc_polling_entity *pollent, |
| 90 | grpc_pollset_set *pss_dst) { |
| 91 | if (pollent->tag == POPS_POLLSET) { |
| 92 | GPR_ASSERT(pollent->pollent.pollset != NULL); |
| 93 | grpc_pollset_set_del_pollset(exec_ctx, pss_dst, pollent->pollent.pollset); |
| 94 | } else if (pollent->tag == POPS_POLLSET_SET) { |
| 95 | GPR_ASSERT(pollent->pollent.pollset_set != NULL); |
| 96 | grpc_pollset_set_del_pollset_set(exec_ctx, pss_dst, |
| 97 | pollent->pollent.pollset_set); |
| 98 | } else { |
| 99 | gpr_log(GPR_ERROR, "Invalid grpc_polling_entity tag '%d'", pollent->tag); |
| 100 | abort(); |
| 101 | } |
| 102 | } |