132 строки
4.7 KiB
Plaintext
132 строки
4.7 KiB
Plaintext
/*
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_____ _____ _____ ____ ______ _____ ------
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| --- | | | | |-----| |---- | | |-----| |----- ------
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| ____| |_____ | ____| | ____| | |_____| _____| |_____ |_____
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Licensed under the MIT License <http://opensource.org/licenses/MIT>.
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Copyright © 2020-2023 Microsoft Corporation. All rights reserved.
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Author : <blobfusedev@microsoft.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE
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*/
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package <component>
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import (
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"github.com/Azure/azure-storage-fuse/v2/common/config"
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"github.com/Azure/azure-storage-fuse/v2/common/log"
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"github.com/Azure/azure-storage-fuse/v2/internal"
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"context"
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"fmt"
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)
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/* NOTES:
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- Component shall have a structure which inherits "internal.BaseComponent" to participate in pipeline
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- Component shall register a name and its constructor to participate in pipeline (add by default by generator)
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- Order of calls : Constructor -> Configure -> Start ..... -> Stop
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- To read any new setting from config file follow the Configure method default comments
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*/
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// Common structure for Component
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type <component_C> struct {
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internal.BaseComponent
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}
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// Structure defining your config parameters
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type <component_C>Options struct {
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// e.g. var1 uint32 `config:"var1"`
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}
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const compName = "<component>"
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// Verification to check satisfaction criteria with Component Interface
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var _ internal.Component = &<component_C>{}
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func (c *<component_C>) Name() string {
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return compName
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}
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func (c *<component_C>) SetName(name string) {
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c.BaseComponent.SetName(name)
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}
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func (c *<component_C>) SetNextComponent(nc internal.Component) {
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c.BaseComponent.SetNextComponent(nc)
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}
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// Start : Pipeline calls this method to start the component functionality
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// this shall not block the call otherwise pipeline will not start
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func (c *<component_C>) Start(ctx context.Context) error {
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log.Trace("<component_C>::Start : Starting component %s", c.Name())
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// <component_C> : start code goes here
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return nil
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}
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// Stop : Stop the component functionality and kill all threads started
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func (c *<component_C>) Stop() error {
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log.Trace("<component_C>::Stop : Stopping component %s", c.Name())
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return nil
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}
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// Configure : Pipeline will call this method after constructor so that you can read config and initialize yourself
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// Return failure if any config is not valid to exit the process
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func (c *<component_C>) Configure(_ bool) error {
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log.Trace("<component_C>::Configure : %s", c.Name())
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// >> If you do not need any config parameters remove below code and return nil
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conf := <component_C>Options{}
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err := config.UnmarshalKey(c.Name(), &conf)
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if err != nil {
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log.Err("<component_C>::Configure : config error [invalid config attributes]")
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return fmt.Errorf("<component_C>: config error [invalid config attributes]")
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}
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// Extract values from 'conf' and store them as you wish here
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return nil
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}
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// OnConfigChange : If component has registered, on config file change this method is called
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func (c *<component_C>) OnConfigChange() {
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}
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// ------------------------- Factory -------------------------------------------
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// Pipeline will call this method to create your object, initialize your variables here
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// << DO NOT DELETE ANY AUTO GENERATED CODE HERE >>
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func New<component_C>Component() internal.Component {
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comp := &<component_C>{}
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comp.SetName(compName)
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return comp
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}
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// On init register this component to pipeline and supply your constructor
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func init() {
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internal.AddComponent(compName, New<component_C>Component)
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}
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