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Merge pull request apache#2 from dubbogo/0.2.0
0.2.0 Former-commit-id: 0915e22 [formerly 38b49aa [formerly ffbd137]] Former-commit-id: b2455f2 [formerly 38b49aa] Former-commit-id: 73b661c [formerly 7dac763] Former-commit-id: d6dbfb2
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,176 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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. | ||
| */ | ||
|
|
||
| package plugins | ||
|
|
||
| import ( | ||
| "errors" | ||
| "plugin" | ||
| "strings" | ||
| ) | ||
|
|
||
| import ( | ||
| "github.com/dubbogo/dubbo-go-proxy/pkg/common/constant" | ||
| "github.com/dubbogo/dubbo-go-proxy/pkg/config" | ||
| "github.com/dubbogo/dubbo-go-proxy/pkg/context" | ||
| "github.com/dubbogo/dubbo-go-proxy/pkg/filter" | ||
| "github.com/dubbogo/dubbo-go-proxy/pkg/logger" | ||
| ) | ||
|
|
||
| var ( | ||
| apiURLWithPluginsMap = make(map[string]context.FilterChain) | ||
| groupWithPluginsMap = make(map[string]map[string]PluginsWithFunc) | ||
| errEmptyPluginConfig = errors.New("Empty plugin config") | ||
| ) | ||
|
|
||
| // PluginsWithFunc is a single plugin details | ||
| type PluginsWithFunc struct { | ||
| Name string | ||
| Priority int | ||
| fn context.FilterFunc | ||
| } | ||
|
|
||
| // InitPluginsGroup prase api_config.yaml(pluginsGroup) to map[string][]PluginsWithFunc | ||
| func InitPluginsGroup(groups []config.PluginsGroup, filePath string) { | ||
|
|
||
| if "" == filePath || len(groups) == 0 { | ||
| return | ||
| } | ||
|
|
||
| // load file.so | ||
| pls, err := plugin.Open(filePath) | ||
| if nil != err { | ||
| panic(err) | ||
| } | ||
|
|
||
| for _, group := range groups { | ||
| pwdMap := make(map[string]PluginsWithFunc, len(group.Plugins)) | ||
|
|
||
| // trans to context.FilterFunc | ||
| for _, pl := range group.Plugins { | ||
| pwf := PluginsWithFunc{pl.Name, pl.Priority, loadExternalPlugin(&pl, pls)} | ||
| pwdMap[pl.Name] = pwf | ||
| } | ||
|
|
||
| groupWithPluginsMap[group.GroupName] = pwdMap | ||
| } | ||
| } | ||
|
|
||
| // InitApiUrlWithFilterChain must behind InitPluginsGroup call | ||
| func InitAPIURLWithFilterChain(resources []config.Resource) { | ||
| pairURLWithFilterChain("", resources, context.FilterChain{}) | ||
| } | ||
|
|
||
| func pairURLWithFilterChain(parentPath string, resources []config.Resource, parentFilterFuncs []context.FilterFunc) { | ||
|
|
||
| if len(resources) == 0 { | ||
| return | ||
| } | ||
|
|
||
| groupPath := parentPath | ||
| if parentPath == constant.PathSlash { | ||
| groupPath = "" | ||
| } | ||
|
|
||
| for _, resource := range resources { | ||
| fullPath := groupPath + resource.Path | ||
| if !strings.HasPrefix(resource.Path, constant.PathSlash) { | ||
| continue | ||
| } | ||
|
|
||
| currentFuncArr := getApiFilterFuncsWithPluginsGroup(&resource.Plugins) | ||
|
|
||
| if len(currentFuncArr) > 0 { | ||
| apiURLWithPluginsMap[fullPath] = currentFuncArr | ||
| parentFilterFuncs = currentFuncArr | ||
| } else { | ||
| if len(parentFilterFuncs) > 0 { | ||
| apiURLWithPluginsMap[fullPath] = parentFilterFuncs | ||
| } | ||
| } | ||
|
|
||
| if len(resource.Resources) > 0 { | ||
| pairURLWithFilterChain(resource.Path, resource.Resources, parentFilterFuncs) | ||
| } | ||
| } | ||
|
|
||
| } | ||
|
|
||
| // GetAPIFilterFuncsWithAPIURL is get filterchain with path | ||
| func GetAPIFilterFuncsWithAPIURL(url string) context.FilterChain { | ||
| // found from cache | ||
| if funcs, found := apiURLWithPluginsMap[url]; found { | ||
| logger.Debugf("GetExternalPlugins is:%v,len:%d", funcs, len(funcs)) | ||
| return funcs | ||
| } | ||
|
|
||
| // or return empty FilterFunc | ||
| return context.FilterChain{} | ||
| } | ||
|
|
||
| func loadExternalPlugin(p *config.Plugin, pl *plugin.Plugin) context.FilterFunc { | ||
| if nil != p { | ||
| logger.Infof("loadExternalPlugin name is :%s,version:%s,Priority:%d", p.Name, p.Version, p.Priority) | ||
| sb, err := pl.Lookup(p.ExternalLookupName) | ||
| if nil != err { | ||
| panic(err) | ||
| } | ||
|
|
||
| sbf := sb.(func() filter.Filter) | ||
| logger.Infof("loadExternalPlugin %s success", p.Name) | ||
| return sbf().Do() | ||
| } | ||
|
|
||
| panic(errEmptyPluginConfig) | ||
| } | ||
|
|
||
| func getApiFilterFuncsWithPluginsGroup(plu *config.PluginsInUse) []context.FilterFunc { | ||
| // not set plugins | ||
| if nil == plu || nil != plu && len(plu.GroupNames) == 0 && len(plu.PluginNames) == 0 { | ||
| return []context.FilterFunc{} | ||
| } | ||
|
|
||
| tmpMap := make(map[string]context.FilterFunc) | ||
|
|
||
| // found with group name | ||
| for _, groupName := range plu.GroupNames { | ||
| pwfMap, found := groupWithPluginsMap[groupName] | ||
| if found { | ||
| for _, pwf := range pwfMap { | ||
| tmpMap[pwf.Name] = pwf.fn | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // found with with name from all group | ||
| for _, group := range groupWithPluginsMap { | ||
| for _, name := range plu.PluginNames { | ||
| if pwf, found := group[name]; found { | ||
| tmpMap[pwf.Name] = pwf.fn | ||
| } | ||
| } | ||
| } | ||
|
|
||
| ret := make([]context.FilterFunc, 0) | ||
| for _, v := range tmpMap { | ||
| if nil != v { | ||
| ret = append(ret, v) | ||
| } | ||
| } | ||
|
|
||
| return ret | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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. | ||
| */ | ||
| package plugins | ||
|
|
||
| import ( | ||
| "testing" | ||
| ) | ||
|
|
||
| import ( | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| import ( | ||
| "github.com/dubbogo/dubbo-go-proxy/pkg/config" | ||
| ) | ||
|
|
||
| func TestInitPluginsGroup(t *testing.T) { | ||
|
|
||
| config, err := config.LoadAPIConfigFromFile("../../../configs/api_config.yaml") | ||
| assert.Empty(t, err) | ||
|
|
||
| InitPluginsGroup(config.PluginsGroup, config.PluginFilePath) | ||
| } | ||
|
|
||
| func TestInitApiUrlWithFilterChain(t *testing.T) { | ||
| config, err := config.LoadAPIConfigFromFile("../../../configs/api_config.yaml") | ||
| assert.Empty(t, err) | ||
|
|
||
| InitPluginsGroup(config.PluginsGroup, config.PluginFilePath) | ||
| InitAPIURLWithFilterChain(config.Resources) | ||
| } | ||
|
|
||
| func TestGetApiFilterFuncsWithApiUrl(t *testing.T) { | ||
| config, err := config.LoadAPIConfigFromFile("../../../configs/api_config.yaml") | ||
| assert.Empty(t, err) | ||
|
|
||
| InitPluginsGroup(config.PluginsGroup, config.PluginFilePath) | ||
| InitAPIURLWithFilterChain(config.Resources) | ||
|
|
||
| fltc := GetAPIFilterFuncsWithAPIURL("/") | ||
|
|
||
| assert.Equal(t, len(fltc), 0) | ||
| } |
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