| package cdn |
| |
| /* |
| * 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. |
| */ |
| |
| import ( |
| "fmt" |
| "net/http" |
| "time" |
| |
| "github.com/apache/trafficcontrol/lib/go-log" |
| "github.com/apache/trafficcontrol/lib/go-tc" |
| "github.com/apache/trafficcontrol/traffic_ops/traffic_ops_golang/api" |
| "github.com/apache/trafficcontrol/traffic_ops/traffic_ops_golang/util/ims" |
| |
| "github.com/jmoiron/sqlx" |
| ) |
| |
| func selectMaxLastUpdatedQuery() string { |
| return `SELECT max(t) from ( |
| SELECT max(profile.last_updated) as t FROM profile |
| JOIN cdn ON profile.cdn = cdn.id WHERE profile.type = '` + tc.TrafficRouterProfileType + `' |
| UNION ALL |
| select max(last_updated) as t from last_deleted l where l.table_name='profile') as res` |
| } |
| |
| func getDomainsList(useIMS bool, header http.Header, tx *sqlx.Tx) ([]tc.Domain, error, int, *time.Time) { |
| var maxTime time.Time |
| var runSecond bool |
| domains := []tc.Domain{} |
| |
| q := `SELECT p.id, p.name, p.description, domain_name FROM profile AS p |
| JOIN cdn ON p.cdn = cdn.id WHERE p.type = '` + tc.TrafficRouterProfileType + `'` |
| |
| if useIMS { |
| runSecond, maxTime = ims.TryIfModifiedSinceQuery(tx, header, nil, selectMaxLastUpdatedQuery()) |
| if !runSecond { |
| log.Debugln("IMS HIT") |
| return domains, nil, http.StatusNotModified, &maxTime |
| } |
| log.Debugln("IMS MISS") |
| } else { |
| log.Debugln("Non IMS request") |
| } |
| |
| rows, err := tx.Query(q) |
| if err != nil { |
| return nil, fmt.Errorf("querying for profile: %s", err), http.StatusInternalServerError, nil |
| } |
| defer rows.Close() |
| |
| for rows.Next() { |
| |
| d := tc.Domain{ParameterID: -1} |
| err := rows.Scan(&d.ProfileID, &d.ProfileName, &d.ProfileDescription, &d.DomainName) |
| if err != nil { |
| return nil, fmt.Errorf("getting profile: %s", err), http.StatusInternalServerError, nil |
| } |
| domains = append(domains, d) |
| } |
| |
| return domains, nil, http.StatusOK, &maxTime |
| } |
| |
| func DomainsHandler(w http.ResponseWriter, r *http.Request) { |
| useIMS := false |
| inf, userErr, sysErr, errCode := api.NewInfo(r, nil, nil) |
| if userErr != nil || sysErr != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, errCode, userErr, sysErr) |
| return |
| } |
| defer inf.Close() |
| |
| cfg, err := api.GetConfig(r.Context()) |
| if err != nil { |
| log.Warnf("Couldnt get the config %v", err) |
| } |
| if cfg != nil { |
| useIMS = cfg.UseIMS |
| } |
| |
| domains, err, status, _ := getDomainsList(useIMS, r.Header, inf.Tx) |
| if err != nil { |
| api.HandleErr(w, r, inf.Tx.Tx, http.StatusInternalServerError, err, err) |
| return |
| } |
| w.WriteHeader(status) |
| api.WriteResp(w, r, domains) |
| } |