dubbo.apache.org/dubbo-go/v3@v3.1.1/registry/servicediscovery/synthesizer/rest/rest_subscribed_urls_synthesizer.go (about)

     1  /*
     2   * Licensed to the Apache Software Foundation (ASF) under one or more
     3   * contributor license agreements.  See the NOTICE file distributed with
     4   * this work for additional information regarding copyright ownership.
     5   * The ASF licenses this file to You under the Apache License, Version 2.0
     6   * (the "License"); you may not use this file except in compliance with
     7   * the License.  You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  
    18  package rest
    19  
    20  import (
    21  	"net/url"
    22  	"strings"
    23  )
    24  
    25  import (
    26  	"dubbo.apache.org/dubbo-go/v3/common"
    27  	"dubbo.apache.org/dubbo-go/v3/common/constant"
    28  	"dubbo.apache.org/dubbo-go/v3/registry"
    29  	"dubbo.apache.org/dubbo-go/v3/registry/servicediscovery/synthesizer"
    30  )
    31  
    32  func init() {
    33  	synthesizer.AddSynthesizer(NewRestSubscribedURLsSynthesizer())
    34  }
    35  
    36  // SubscribedURLsSynthesizer implementation for rest protocol
    37  type RestSubscribedURLsSynthesizer struct{}
    38  
    39  func (r RestSubscribedURLsSynthesizer) Support(subscribedURL *common.URL) bool {
    40  	return "rest" == subscribedURL.Protocol
    41  }
    42  
    43  func (r RestSubscribedURLsSynthesizer) Synthesize(subscribedURL *common.URL, serviceInstances []registry.ServiceInstance) []*common.URL {
    44  	urls := make([]*common.URL, len(serviceInstances))
    45  	for i, s := range serviceInstances {
    46  		splitHost := strings.Split(s.GetHost(), ":")
    47  		u := common.NewURLWithOptions(common.WithProtocol(subscribedURL.Protocol), common.WithIp(splitHost[0]),
    48  			common.WithPort(splitHost[1]), common.WithPath(subscribedURL.GetParam(constant.InterfaceKey, subscribedURL.Path)),
    49  			common.WithParams(url.Values{}),
    50  			common.WithParamsValue(constant.SideKey, constant.ProviderProtocol),
    51  			common.WithParamsValue(constant.ApplicationKey, s.GetServiceName()),
    52  			common.WithParamsValue(constant.RegistryKey, "true"),
    53  		)
    54  		urls[i] = u
    55  	}
    56  	return urls
    57  }
    58  
    59  func NewRestSubscribedURLsSynthesizer() RestSubscribedURLsSynthesizer {
    60  	return RestSubscribedURLsSynthesizer{}
    61  }