Mark Salyzyn | facf94c | 2016-03-01 13:45:42 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Mark Salyzyn | 81321a7 | 2017-03-09 07:28:29 -0800 | [diff] [blame] | 17 | #include <log/log_transport.h> |
Mark Salyzyn | 7100288 | 2016-03-08 16:18:26 -0800 | [diff] [blame] | 18 | |
Mark Salyzyn | facf94c | 2016-03-01 13:45:42 -0800 | [diff] [blame] | 19 | #include "config_write.h" |
| 20 | #include "logger.h" |
| 21 | |
Tom Cherry | 2d9779e | 2019-02-08 11:46:19 -0800 | [diff] [blame] | 22 | struct listnode __android_log_transport_write = {&__android_log_transport_write, |
| 23 | &__android_log_transport_write}; |
| 24 | struct listnode __android_log_persist_write = {&__android_log_persist_write, |
| 25 | &__android_log_persist_write}; |
Mark Salyzyn | facf94c | 2016-03-01 13:45:42 -0800 | [diff] [blame] | 26 | |
Tom Cherry | 71ba164 | 2019-01-10 10:37:36 -0800 | [diff] [blame] | 27 | static void __android_log_add_transport(struct listnode* list, |
| 28 | struct android_log_transport_write* transport) { |
| 29 | uint32_t i; |
Mark Salyzyn | facf94c | 2016-03-01 13:45:42 -0800 | [diff] [blame] | 30 | |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 31 | /* Try to keep one functioning transport for each log buffer id */ |
| 32 | for (i = LOG_ID_MIN; i < LOG_ID_MAX; i++) { |
| 33 | struct android_log_transport_write* transp; |
Mark Salyzyn | facf94c | 2016-03-01 13:45:42 -0800 | [diff] [blame] | 34 | |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 35 | if (list_empty(list)) { |
Tom Cherry | 71ba164 | 2019-01-10 10:37:36 -0800 | [diff] [blame] | 36 | if (!transport->available || ((*transport->available)(static_cast<log_id_t>(i)) >= 0)) { |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 37 | list_add_tail(list, &transport->node); |
| 38 | return; |
| 39 | } |
| 40 | } else { |
| 41 | write_transport_for_each(transp, list) { |
| 42 | if (!transp->available) { |
| 43 | return; |
Mark Salyzyn | facf94c | 2016-03-01 13:45:42 -0800 | [diff] [blame] | 44 | } |
Tom Cherry | 71ba164 | 2019-01-10 10:37:36 -0800 | [diff] [blame] | 45 | if (((*transp->available)(static_cast<log_id_t>(i)) < 0) && |
| 46 | (!transport->available || ((*transport->available)(static_cast<log_id_t>(i)) >= 0))) { |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 47 | list_add_tail(list, &transport->node); |
| 48 | return; |
| 49 | } |
| 50 | } |
Mark Salyzyn | facf94c | 2016-03-01 13:45:42 -0800 | [diff] [blame] | 51 | } |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 52 | } |
Mark Salyzyn | facf94c | 2016-03-01 13:45:42 -0800 | [diff] [blame] | 53 | } |
| 54 | |
Tom Cherry | 2d9779e | 2019-02-08 11:46:19 -0800 | [diff] [blame] | 55 | void __android_log_config_write() { |
Tom Cherry | 71ba164 | 2019-01-10 10:37:36 -0800 | [diff] [blame] | 56 | if ((__android_log_transport == LOGGER_DEFAULT) || (__android_log_transport & LOGGER_LOGD)) { |
Mark Salyzyn | facf94c | 2016-03-01 13:45:42 -0800 | [diff] [blame] | 57 | #if (FAKE_LOG_DEVICE == 0) |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 58 | extern struct android_log_transport_write logdLoggerWrite; |
| 59 | extern struct android_log_transport_write pmsgLoggerWrite; |
Mark Salyzyn | facf94c | 2016-03-01 13:45:42 -0800 | [diff] [blame] | 60 | |
Tom Cherry | 71ba164 | 2019-01-10 10:37:36 -0800 | [diff] [blame] | 61 | __android_log_add_transport(&__android_log_transport_write, &logdLoggerWrite); |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 62 | __android_log_add_transport(&__android_log_persist_write, &pmsgLoggerWrite); |
Mark Salyzyn | facf94c | 2016-03-01 13:45:42 -0800 | [diff] [blame] | 63 | #else |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 64 | extern struct android_log_transport_write fakeLoggerWrite; |
Mark Salyzyn | facf94c | 2016-03-01 13:45:42 -0800 | [diff] [blame] | 65 | |
Tom Cherry | 71ba164 | 2019-01-10 10:37:36 -0800 | [diff] [blame] | 66 | __android_log_add_transport(&__android_log_transport_write, &fakeLoggerWrite); |
Mark Salyzyn | facf94c | 2016-03-01 13:45:42 -0800 | [diff] [blame] | 67 | #endif |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 68 | } |
Mark Salyzyn | 4d99c98 | 2017-02-28 12:59:01 -0800 | [diff] [blame] | 69 | |
Mark Salyzyn | 81321a7 | 2017-03-09 07:28:29 -0800 | [diff] [blame] | 70 | if (__android_log_transport & LOGGER_STDERR) { |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 71 | extern struct android_log_transport_write stderrLoggerWrite; |
Mark Salyzyn | 4d99c98 | 2017-02-28 12:59:01 -0800 | [diff] [blame] | 72 | |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 73 | /* |
| 74 | * stderr logger should be primary if we can be the only one, or if |
| 75 | * already in the primary list. Otherwise land in the persist list. |
| 76 | * Remember we can be called here if we are already initialized. |
| 77 | */ |
| 78 | if (list_empty(&__android_log_transport_write)) { |
Tom Cherry | 71ba164 | 2019-01-10 10:37:36 -0800 | [diff] [blame] | 79 | __android_log_add_transport(&__android_log_transport_write, &stderrLoggerWrite); |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 80 | } else { |
| 81 | struct android_log_transport_write* transp; |
| 82 | write_transport_for_each(transp, &__android_log_transport_write) { |
| 83 | if (transp == &stderrLoggerWrite) { |
| 84 | return; |
Mark Salyzyn | 4d99c98 | 2017-02-28 12:59:01 -0800 | [diff] [blame] | 85 | } |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 86 | } |
Tom Cherry | 71ba164 | 2019-01-10 10:37:36 -0800 | [diff] [blame] | 87 | __android_log_add_transport(&__android_log_persist_write, &stderrLoggerWrite); |
Mark Salyzyn | 4d99c98 | 2017-02-28 12:59:01 -0800 | [diff] [blame] | 88 | } |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 89 | } |
Mark Salyzyn | facf94c | 2016-03-01 13:45:42 -0800 | [diff] [blame] | 90 | } |
Mark Salyzyn | 96432fc | 2016-03-08 16:18:26 -0800 | [diff] [blame] | 91 | |
Tom Cherry | 2d9779e | 2019-02-08 11:46:19 -0800 | [diff] [blame] | 92 | void __android_log_config_write_close() { |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 93 | struct android_log_transport_write* transport; |
| 94 | struct listnode* n; |
Mark Salyzyn | 96432fc | 2016-03-08 16:18:26 -0800 | [diff] [blame] | 95 | |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 96 | write_transport_for_each_safe(transport, n, &__android_log_transport_write) { |
| 97 | transport->logMask = 0; |
| 98 | list_remove(&transport->node); |
| 99 | } |
| 100 | write_transport_for_each_safe(transport, n, &__android_log_persist_write) { |
| 101 | transport->logMask = 0; |
| 102 | list_remove(&transport->node); |
| 103 | } |
Mark Salyzyn | 96432fc | 2016-03-08 16:18:26 -0800 | [diff] [blame] | 104 | } |