forked from AudiusProject/audius-protocol
/
client.go
72 lines (61 loc) · 1.45 KB
/
client.go
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package loadtest
import (
"fmt"
"mediorum/server"
"net/http"
"os"
"sync"
"time"
)
type TestClient struct {
AllPeers []server.Peer
UpPeers []server.Peer
DownPeers []server.Peer
HttpClient *http.Client
report map[string][]int
}
func NewTestClient(allPeers []server.Peer) *TestClient {
tc := TestClient{
AllPeers: allPeers,
UpPeers: make([]server.Peer, 0),
DownPeers: make([]server.Peer, 0),
HttpClient: &http.Client{},
report: make(map[string][]int),
}
fmt.Println("_____________\nPinging Peers")
wg := sync.WaitGroup{}
for _, peer := range allPeers {
wg.Add(1)
go tc.pingPeer(&wg, peer)
}
wg.Wait()
fmt.Printf("\n")
fmt.Printf("[%d/%d] peers available\n", len(tc.UpPeers), len(tc.AllPeers))
if len(tc.UpPeers) == 0 {
fmt.Println("ERR Cannot continue without at least one peer")
os.Exit(1)
}
return &tc
}
func (tc *TestClient) pingPeer(wg *sync.WaitGroup, peer server.Peer) {
defer wg.Done()
client := &http.Client{Timeout: 1000 * time.Millisecond} // fail fast for heath check
req, err := http.NewRequest("GET", fmt.Sprintf("%s%s", peer.Host, "/health_check"), nil)
if err != nil {
fmt.Printf("e")
return
}
req.Header.Set("User-Agent", "mediorum-load-test")
res, err := client.Do(req)
if err != nil {
fmt.Printf("e")
return
}
if res.StatusCode == http.StatusOK {
fmt.Printf(".")
tc.UpPeers = append(tc.UpPeers, peer)
} else {
fmt.Printf("x")
tc.DownPeers = append(tc.DownPeers, peer)
}
}