| // Copyright Istio Authors |
| // |
| // 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. |
| |
| package mesh |
| |
| import ( |
| "sync" |
| "time" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pkg/test/loadbalancersim/locality" |
| "github.com/apache/dubbo-go-pixiu/pkg/test/loadbalancersim/network" |
| ) |
| |
| type ClientSettings struct { |
| RPS int |
| Locality locality.Instance |
| } |
| |
| type Client struct { |
| mesh *Instance |
| s ClientSettings |
| } |
| |
| func (c *Client) Mesh() *Instance { |
| return c.mesh |
| } |
| |
| func (c *Client) Locality() locality.Instance { |
| return c.s.Locality |
| } |
| |
| func (c *Client) SendRequests(conn network.Connection, numRequests int, done func()) { |
| go func() { |
| wg := sync.WaitGroup{} |
| |
| interval := time.Duration((1.0 / float64(c.s.RPS)) * float64(time.Second)) |
| |
| ticker := time.NewTicker(interval) |
| for { |
| // Wait for to send the next request. |
| <-ticker.C |
| |
| // Send a request |
| wg.Add(1) |
| conn.Request(wg.Done) |
| numRequests-- |
| |
| if numRequests <= 0 { |
| ticker.Stop() |
| |
| // Wait for all pending requests to complete. |
| wg.Wait() |
| done() |
| return |
| } |
| } |
| }() |
| } |