mirror of https://github.com/tidwall/tile38.git
379 lines
10 KiB
Go
379 lines
10 KiB
Go
// Copyright 2012-2018 The NATS 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 test
|
|
|
|
import (
|
|
"crypto/rand"
|
|
"encoding/hex"
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"net"
|
|
"regexp"
|
|
"runtime"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/nats-io/gnatsd/server"
|
|
)
|
|
|
|
// So we can pass tests and benchmarks..
|
|
type tLogger interface {
|
|
Fatalf(format string, args ...interface{})
|
|
Errorf(format string, args ...interface{})
|
|
}
|
|
|
|
// DefaultTestOptions are default options for the unit tests.
|
|
var DefaultTestOptions = server.Options{
|
|
Host: "127.0.0.1",
|
|
Port: 4222,
|
|
NoLog: true,
|
|
NoSigs: true,
|
|
MaxControlLine: 256,
|
|
}
|
|
|
|
// RunDefaultServer starts a new Go routine based server using the default options
|
|
func RunDefaultServer() *server.Server {
|
|
return RunServer(&DefaultTestOptions)
|
|
}
|
|
|
|
// RunServer starts a new Go routine based server
|
|
func RunServer(opts *server.Options) *server.Server {
|
|
if opts == nil {
|
|
opts = &DefaultTestOptions
|
|
}
|
|
s := server.New(opts)
|
|
if s == nil {
|
|
panic("No NATS Server object returned.")
|
|
}
|
|
|
|
// Run server in Go routine.
|
|
go s.Start()
|
|
|
|
// Wait for accept loop(s) to be started
|
|
if !s.ReadyForConnections(10 * time.Second) {
|
|
panic("Unable to start NATS Server in Go Routine")
|
|
}
|
|
return s
|
|
}
|
|
|
|
// LoadConfig loads a configuration from a filename
|
|
func LoadConfig(configFile string) (opts *server.Options) {
|
|
opts, err := server.ProcessConfigFile(configFile)
|
|
if err != nil {
|
|
panic(fmt.Sprintf("Error processing configuration file: %v", err))
|
|
}
|
|
opts.NoSigs, opts.NoLog = true, true
|
|
return
|
|
}
|
|
|
|
// RunServerWithConfig starts a new Go routine based server with a configuration file.
|
|
func RunServerWithConfig(configFile string) (srv *server.Server, opts *server.Options) {
|
|
opts = LoadConfig(configFile)
|
|
srv = RunServer(opts)
|
|
return
|
|
}
|
|
|
|
func stackFatalf(t tLogger, f string, args ...interface{}) {
|
|
lines := make([]string, 0, 32)
|
|
msg := fmt.Sprintf(f, args...)
|
|
lines = append(lines, msg)
|
|
|
|
// Ignore ourselves
|
|
_, testFile, _, _ := runtime.Caller(0)
|
|
|
|
// Generate the Stack of callers:
|
|
for i := 0; true; i++ {
|
|
_, file, line, ok := runtime.Caller(i)
|
|
if !ok {
|
|
break
|
|
}
|
|
if file == testFile {
|
|
continue
|
|
}
|
|
msg := fmt.Sprintf("%d - %s:%d", i, file, line)
|
|
lines = append(lines, msg)
|
|
}
|
|
|
|
t.Fatalf("%s", strings.Join(lines, "\n"))
|
|
}
|
|
|
|
func acceptRouteConn(t tLogger, host string, timeout time.Duration) net.Conn {
|
|
l, e := net.Listen("tcp", host)
|
|
if e != nil {
|
|
stackFatalf(t, "Error listening for route connection on %v: %v", host, e)
|
|
}
|
|
defer l.Close()
|
|
|
|
tl := l.(*net.TCPListener)
|
|
tl.SetDeadline(time.Now().Add(timeout))
|
|
conn, err := l.Accept()
|
|
tl.SetDeadline(time.Time{})
|
|
|
|
if err != nil {
|
|
stackFatalf(t, "Did not receive a route connection request: %v", err)
|
|
}
|
|
return conn
|
|
}
|
|
|
|
func createRouteConn(t tLogger, host string, port int) net.Conn {
|
|
return createClientConn(t, host, port)
|
|
}
|
|
|
|
func createClientConn(t tLogger, host string, port int) net.Conn {
|
|
addr := fmt.Sprintf("%s:%d", host, port)
|
|
c, err := net.DialTimeout("tcp", addr, 3*time.Second)
|
|
if err != nil {
|
|
stackFatalf(t, "Could not connect to server: %v\n", err)
|
|
}
|
|
return c
|
|
}
|
|
|
|
func checkSocket(t tLogger, addr string, wait time.Duration) {
|
|
end := time.Now().Add(wait)
|
|
for time.Now().Before(end) {
|
|
conn, err := net.Dial("tcp", addr)
|
|
if err != nil {
|
|
// Retry after 50ms
|
|
time.Sleep(50 * time.Millisecond)
|
|
continue
|
|
}
|
|
conn.Close()
|
|
// Wait a bit to give a chance to the server to remove this
|
|
// "client" from its state, which may otherwise interfere with
|
|
// some tests.
|
|
time.Sleep(25 * time.Millisecond)
|
|
return
|
|
}
|
|
// We have failed to bind the socket in the time allowed.
|
|
t.Fatalf("Failed to connect to the socket: %q", addr)
|
|
}
|
|
|
|
func checkInfoMsg(t tLogger, c net.Conn) server.Info {
|
|
buf := expectResult(t, c, infoRe)
|
|
js := infoRe.FindAllSubmatch(buf, 1)[0][1]
|
|
var sinfo server.Info
|
|
err := json.Unmarshal(js, &sinfo)
|
|
if err != nil {
|
|
stackFatalf(t, "Could not unmarshal INFO json: %v\n", err)
|
|
}
|
|
return sinfo
|
|
}
|
|
|
|
func doConnect(t tLogger, c net.Conn, verbose, pedantic, ssl bool) {
|
|
checkInfoMsg(t, c)
|
|
cs := fmt.Sprintf("CONNECT {\"verbose\":%v,\"pedantic\":%v,\"tls_required\":%v}\r\n", verbose, pedantic, ssl)
|
|
sendProto(t, c, cs)
|
|
}
|
|
|
|
func doDefaultConnect(t tLogger, c net.Conn) {
|
|
// Basic Connect
|
|
doConnect(t, c, false, false, false)
|
|
}
|
|
|
|
const connectProto = "CONNECT {\"verbose\":false,\"user\":\"%s\",\"pass\":\"%s\",\"name\":\"%s\"}\r\n"
|
|
|
|
func doRouteAuthConnect(t tLogger, c net.Conn, user, pass, id string) {
|
|
cs := fmt.Sprintf(connectProto, user, pass, id)
|
|
sendProto(t, c, cs)
|
|
}
|
|
|
|
func setupRouteEx(t tLogger, c net.Conn, opts *server.Options, id string) (sendFun, expectFun) {
|
|
user := opts.Cluster.Username
|
|
pass := opts.Cluster.Password
|
|
doRouteAuthConnect(t, c, user, pass, id)
|
|
return sendCommand(t, c), expectCommand(t, c)
|
|
}
|
|
|
|
func setupRoute(t tLogger, c net.Conn, opts *server.Options) (sendFun, expectFun) {
|
|
u := make([]byte, 16)
|
|
io.ReadFull(rand.Reader, u)
|
|
id := fmt.Sprintf("ROUTER:%s", hex.EncodeToString(u))
|
|
return setupRouteEx(t, c, opts, id)
|
|
}
|
|
|
|
func setupConn(t tLogger, c net.Conn) (sendFun, expectFun) {
|
|
doDefaultConnect(t, c)
|
|
return sendCommand(t, c), expectCommand(t, c)
|
|
}
|
|
|
|
func setupConnWithProto(t tLogger, c net.Conn, proto int) (sendFun, expectFun) {
|
|
checkInfoMsg(t, c)
|
|
cs := fmt.Sprintf("CONNECT {\"verbose\":%v,\"pedantic\":%v,\"tls_required\":%v,\"protocol\":%d}\r\n", false, false, false, proto)
|
|
sendProto(t, c, cs)
|
|
return sendCommand(t, c), expectCommand(t, c)
|
|
}
|
|
|
|
type sendFun func(string)
|
|
type expectFun func(*regexp.Regexp) []byte
|
|
|
|
// Closure version for easier reading
|
|
func sendCommand(t tLogger, c net.Conn) sendFun {
|
|
return func(op string) {
|
|
sendProto(t, c, op)
|
|
}
|
|
}
|
|
|
|
// Closure version for easier reading
|
|
func expectCommand(t tLogger, c net.Conn) expectFun {
|
|
return func(re *regexp.Regexp) []byte {
|
|
return expectResult(t, c, re)
|
|
}
|
|
}
|
|
|
|
// Send the protocol command to the server.
|
|
func sendProto(t tLogger, c net.Conn, op string) {
|
|
n, err := c.Write([]byte(op))
|
|
if err != nil {
|
|
stackFatalf(t, "Error writing command to conn: %v\n", err)
|
|
}
|
|
if n != len(op) {
|
|
stackFatalf(t, "Partial write: %d vs %d\n", n, len(op))
|
|
}
|
|
}
|
|
|
|
var (
|
|
infoRe = regexp.MustCompile(`INFO\s+([^\r\n]+)\r\n`)
|
|
pingRe = regexp.MustCompile(`PING\r\n`)
|
|
pongRe = regexp.MustCompile(`PONG\r\n`)
|
|
msgRe = regexp.MustCompile(`(?:(?:MSG\s+([^\s]+)\s+([^\s]+)\s+(([^\s]+)[^\S\r\n]+)?(\d+)\s*\r\n([^\\r\\n]*?)\r\n)+?)`)
|
|
okRe = regexp.MustCompile(`\A\+OK\r\n`)
|
|
errRe = regexp.MustCompile(`\A\-ERR\s+([^\r\n]+)\r\n`)
|
|
subRe = regexp.MustCompile(`SUB\s+([^\s]+)((\s+)([^\s]+))?\s+([^\s]+)\r\n`)
|
|
unsubRe = regexp.MustCompile(`UNSUB\s+([^\s]+)(\s+(\d+))?\r\n`)
|
|
connectRe = regexp.MustCompile(`CONNECT\s+([^\r\n]+)\r\n`)
|
|
)
|
|
|
|
const (
|
|
subIndex = 1
|
|
sidIndex = 2
|
|
replyIndex = 4
|
|
lenIndex = 5
|
|
msgIndex = 6
|
|
)
|
|
|
|
// Test result from server against regexp
|
|
func expectResult(t tLogger, c net.Conn, re *regexp.Regexp) []byte {
|
|
expBuf := make([]byte, 32768)
|
|
// Wait for commands to be processed and results queued for read
|
|
c.SetReadDeadline(time.Now().Add(5 * time.Second))
|
|
n, err := c.Read(expBuf)
|
|
c.SetReadDeadline(time.Time{})
|
|
|
|
if n <= 0 && err != nil {
|
|
stackFatalf(t, "Error reading from conn: %v\n", err)
|
|
}
|
|
buf := expBuf[:n]
|
|
|
|
if !re.Match(buf) {
|
|
stackFatalf(t, "Response did not match expected: \n\tReceived:'%q'\n\tExpected:'%s'\n", buf, re)
|
|
}
|
|
return buf
|
|
}
|
|
|
|
func expectNothing(t tLogger, c net.Conn) {
|
|
expBuf := make([]byte, 32)
|
|
c.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
|
|
n, err := c.Read(expBuf)
|
|
c.SetReadDeadline(time.Time{})
|
|
if err == nil && n > 0 {
|
|
stackFatalf(t, "Expected nothing, received: '%q'\n", expBuf[:n])
|
|
}
|
|
}
|
|
|
|
// This will check that we got what we expected.
|
|
func checkMsg(t tLogger, m [][]byte, subject, sid, reply, len, msg string) {
|
|
if string(m[subIndex]) != subject {
|
|
stackFatalf(t, "Did not get correct subject: expected '%s' got '%s'\n", subject, m[subIndex])
|
|
}
|
|
if sid != "" && string(m[sidIndex]) != sid {
|
|
stackFatalf(t, "Did not get correct sid: expected '%s' got '%s'\n", sid, m[sidIndex])
|
|
}
|
|
if string(m[replyIndex]) != reply {
|
|
stackFatalf(t, "Did not get correct reply: expected '%s' got '%s'\n", reply, m[replyIndex])
|
|
}
|
|
if string(m[lenIndex]) != len {
|
|
stackFatalf(t, "Did not get correct msg length: expected '%s' got '%s'\n", len, m[lenIndex])
|
|
}
|
|
if string(m[msgIndex]) != msg {
|
|
stackFatalf(t, "Did not get correct msg: expected '%s' got '%s'\n", msg, m[msgIndex])
|
|
}
|
|
}
|
|
|
|
// Closure for expectMsgs
|
|
func expectMsgsCommand(t tLogger, ef expectFun) func(int) [][][]byte {
|
|
return func(expected int) [][][]byte {
|
|
buf := ef(msgRe)
|
|
matches := msgRe.FindAllSubmatch(buf, -1)
|
|
if len(matches) != expected {
|
|
stackFatalf(t, "Did not get correct # msgs: %d vs %d\n", len(matches), expected)
|
|
}
|
|
return matches
|
|
}
|
|
}
|
|
|
|
// This will check that the matches include at least one of the sids. Useful for checking
|
|
// that we received messages on a certain queue group.
|
|
func checkForQueueSid(t tLogger, matches [][][]byte, sids []string) {
|
|
seen := make(map[string]int, len(sids))
|
|
for _, sid := range sids {
|
|
seen[sid] = 0
|
|
}
|
|
for _, m := range matches {
|
|
sid := string(m[sidIndex])
|
|
if _, ok := seen[sid]; ok {
|
|
seen[sid]++
|
|
}
|
|
}
|
|
// Make sure we only see one and exactly one.
|
|
total := 0
|
|
for _, n := range seen {
|
|
total += n
|
|
}
|
|
if total != 1 {
|
|
stackFatalf(t, "Did not get a msg for queue sids group: expected 1 got %d\n", total)
|
|
}
|
|
}
|
|
|
|
// This will check that the matches include all of the sids. Useful for checking
|
|
// that we received messages on all subscribers.
|
|
func checkForPubSids(t tLogger, matches [][][]byte, sids []string) {
|
|
seen := make(map[string]int, len(sids))
|
|
for _, sid := range sids {
|
|
seen[sid] = 0
|
|
}
|
|
for _, m := range matches {
|
|
sid := string(m[sidIndex])
|
|
if _, ok := seen[sid]; ok {
|
|
seen[sid]++
|
|
}
|
|
}
|
|
// Make sure we only see one and exactly one for each sid.
|
|
for sid, n := range seen {
|
|
if n != 1 {
|
|
stackFatalf(t, "Did not get a msg for sid[%s]: expected 1 got %d\n", sid, n)
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
// Helper function to generate next opts to make sure no port conflicts etc.
|
|
func nextServerOpts(opts *server.Options) *server.Options {
|
|
nopts := opts.Clone()
|
|
nopts.Port++
|
|
nopts.Cluster.Port++
|
|
nopts.HTTPPort++
|
|
return nopts
|
|
}
|