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// Generate a list of matrix room events for load testing.
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// Writes the events to stdout by default.
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package main
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import (
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"encoding/base64"
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"encoding/json"
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"flag"
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"fmt"
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/gomatrixserverlib"
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"golang.org/x/crypto/ed25519"
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"os"
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"strings"
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"time"
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)
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const usage = `Usage: %s
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Generate a list of matrix room events for load testing.
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Writes the events to stdout separated by new lines
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Arguments:
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`
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var (
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serverName = flag.String("server-name", "localhost", "The name of the matrix server to generate events for")
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keyID = flag.String("key-id", "ed25519:auto", "The ID of the key used to sign the events")
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privateKeyString = flag.String("private-key", defaultKey, "Base64 encoded private key to sign events with")
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roomID = flag.String("room-id", "!roomid:$SERVER_NAME", "The room ID to generate events in")
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userID = flag.String("user-id", "@userid:$SERVER_NAME", "The user ID to use as the event sender")
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messageCount = flag.Int("message-count", 10, "The number of m.room.messsage events to generate")
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format = flag.String("Format", "InputRoomEvent", "The output format to use for the messages: InputRoomEvent or Event")
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)
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func defaulting(value, defaultValue string) string {
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if value == "" {
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return defaultValue
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}
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return value
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}
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// By default we use a private key of 0.
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const defaultKey = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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var privateKey ed25519.PrivateKey
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var emptyString = ""
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var now time.Time
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var b gomatrixserverlib.EventBuilder
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var eventID int
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func main() {
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flag.Usage = func() {
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fmt.Fprintf(os.Stderr, usage, os.Args[0])
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flag.PrintDefaults()
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}
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flag.Parse()
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*userID = strings.Replace(*userID, "$SERVER_NAME", *serverName, 1)
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*roomID = strings.Replace(*roomID, "$SERVER_NAME", *serverName, 1)
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// Decode the ed25519 private key.
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privateKeyBytes, err := base64.RawStdEncoding.DecodeString(*privateKeyString)
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if err != nil {
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panic(err)
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}
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privateKey = ed25519.PrivateKey(privateKeyBytes)
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// Build a m.room.create event.
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b.Sender = *userID
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b.RoomID = *roomID
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b.Type = "m.room.create"
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b.StateKey = &emptyString
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b.SetContent(map[string]string{"creator": *userID})
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create := buildAndOutput()
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// Build a m.room.member event.
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b.Type = "m.room.member"
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b.StateKey = userID
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b.SetContent(map[string]string{"membership": "join"})
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b.AuthEvents = []gomatrixserverlib.EventReference{create}
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member := buildAndOutput()
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// Build a number of m.room.message events.
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b.Type = "m.room.message"
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b.StateKey = nil
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b.SetContent(map[string]string{"body": "Test Message"})
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b.AuthEvents = []gomatrixserverlib.EventReference{create, member}
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for i := 0; i < *messageCount; i++ {
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buildAndOutput()
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}
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}
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// Build an event and write the event to the output.
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func buildAndOutput() gomatrixserverlib.EventReference {
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eventID++
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id := fmt.Sprintf("$%d:%s", eventID, *serverName)
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now = time.Unix(0, 0)
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event, err := b.Build(id, now, *serverName, *keyID, privateKey)
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if err != nil {
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panic(err)
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}
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writeEvent(event)
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reference := event.EventReference()
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b.PrevEvents = []gomatrixserverlib.EventReference{reference}
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b.Depth++
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return reference
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}
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// Write an event to the output.
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func writeEvent(event gomatrixserverlib.Event) {
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encoder := json.NewEncoder(os.Stdout)
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if *format == "InputRoomEvent" {
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var ire api.InputRoomEvent
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ire.Kind = api.KindNew
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ire.Event = event.JSON()
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authEventIDs := []string{}
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for _, ref := range b.AuthEvents {
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authEventIDs = append(authEventIDs, ref.EventID)
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}
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ire.AuthEventIDs = authEventIDs
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if err := encoder.Encode(ire); err != nil {
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panic(err)
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}
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} else if *format == "Event" {
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if err := encoder.Encode(event); err != nil {
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panic(err)
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}
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} else {
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panic(fmt.Errorf("Format %q is not valid, must be %q or %q", format, "InputRoomEvent", "Event"))
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}
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}
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