| // Copyright 2017 The Cobalt Authors. All Rights Reserved. |
| // |
| // 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. |
| |
| // Defines an interface for setting arbitrary values to be logged (in a |
| // platform-specific way) whenever a crash occurs. For example, a platform |
| // may implement this by uploading the data to a central crash report |
| // repository that can be examined later. |
| // Platforms typically have maximum crash log data sizes on the order of 16KB, |
| // but it varies per platform. |
| interface H5vccCrashLog { |
| // Returns true if the string was successfully set in the crash log, and false |
| // if for some reason the string could not be set in the crash log. |
| // Sets a (key, value) string pair that should be logged if a crash occurs. |
| boolean setString(DOMString key, DOMString value); |
| |
| // Induce a crash. This attempts, but does not guarantee, to cause a specified |
| // type of crash. The result may vary by platform. This API is intended for |
| // reliability testing only. |
| void triggerCrash(H5vccCrashType intent); |
| |
| // Returns true if Watchdog client was registered. |
| // name, Watchdog client to register. |
| // description, information on the Watchdog client. |
| // watchdog_state, application state to continue monitoring client up to. |
| // Inclusive. |
| // time_interval_milliseconds, maximum number of milliseconds allowed |
| // between pings before triggering a Watchdog violation. Min value of |
| // 1000. |
| // time_wait_milliseconds, number of milliseconds to initially wait before |
| // Watchdog violations can be triggered. Reapplies after client resumes |
| // from idle state due to application state changes. |
| // watchdog_replace, behavior with previously registered Watchdog clients |
| // of the same name. |
| boolean register(DOMString name, DOMString description, |
| WatchdogState watchdog_state, long long time_interval_milliseconds, |
| long long time_wait_milliseconds, WatchdogReplace watchdog_replace); |
| |
| // Returns true if Watchdog client was unregistered. Name determines the |
| // Watchdog client to unregister. |
| boolean unregister(DOMString name); |
| |
| // Returns true if Watchdog client was pinged. Name determines the Watchdog |
| // client to ping with ping_info which can either be empty or contain relevant |
| // metadata. ping_info has a max length of 128. |
| boolean ping(DOMString name, DOMString ping_info); |
| |
| // Returns a json string containing the Watchdog violations since the last |
| // call, up to 200. Clears internal cache of Watchdog violations to prevent |
| // duplicates. Timestamps are stored as strings due to int size constraints. |
| // Example json: |
| // { |
| // "test-name":{ |
| // "description":"test-desc", |
| // "violations":[ |
| // { |
| // "monitorState":"kApplicationStateStarted", |
| // "pingInfos":[ |
| // { |
| // "info":"test-ping", |
| // "timestampMilliseconds":"1658972623547" |
| // } |
| // ], |
| // "registeredClients":[ |
| // "test-name" |
| // ], |
| // "timeIntervalMilliseconds":"5000", |
| // "timeWaitMilliseconds":"0", |
| // "timestampLastPingedMilliseconds":"1658972623547", |
| // "timestampRegisteredMilliseconds":"1658972621890", |
| // "timestampViolationMilliseconds":"1658972629489", |
| // "violationDurationMilliseconds":"942" |
| // } |
| // ] |
| // } |
| // } |
| DOMString getWatchdogViolations(optional sequence<DOMString> clients); |
| |
| // Gets a persistent Watchdog setting that determines whether or not Watchdog |
| // is enabled. When disabled, Watchdog behaves like a stub except that |
| // persistent settings can still be get/set. Requires a restart to take |
| // effect. |
| boolean getPersistentSettingWatchdogEnable(); |
| |
| // Sets a persistent Watchdog setting that determines whether or not Watchdog |
| // is enabled. When disabled, Watchdog behaves like a stub except that |
| // persistent settings can still be get/set. Requires a restart to take |
| // effect. |
| void setPersistentSettingWatchdogEnable(boolean enable_watchdog); |
| |
| // Gets a persistent Watchdog setting that determines whether or not a |
| // Watchdog violation will trigger a crash. |
| boolean getPersistentSettingWatchdogCrash(); |
| |
| // Sets a persistent Watchdog setting that determines whether or not a |
| // Watchdog violation will trigger a crash. |
| void setPersistentSettingWatchdogCrash(boolean can_trigger_crash); |
| }; |