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package main
import (
"bufio"
"flag"
"fmt"
"log"
"os"
"strings"
"time"
"crypto/tls"
"github.com/numbleroot/pluto-evaluation/config"
"github.com/numbleroot/pluto-evaluation/utils"
"github.com/numbleroot/pluto/imap"
)
// Functions
func main() {
// Make test config file location and number of messages
// to send per test configurable.
configFlag := flag.String("config", "test-config.toml", "Specify location of config file that describes test setup configuration.")
runsFlag := flag.Int("runs", 100, "Specify how many times the command of this test is to be sent to server.")
flag.Parse()
runs := *runsFlag
log.Printf("Testing STORE command on pluto and Dovecot...\n")
// Read configuration from file.
config, err := config.LoadConfig(*configFlag)
if err != nil {
log.Fatalf("Error loading config: %s\n", err.Error())
}
// Create needed TLS configs with correct certificates.
plutoTLSConfig, dovecotTLSConfig, err := utils.InitTLSConfigs(config)
if err != nil {
log.Fatalf("Error loading TLS configs for pluto and Dovecot: %s\n", err.Error())
}
// Create connection string to connect to pluto and Dovecot.
plutoIMAPAddr := fmt.Sprintf("%s:%s", config.Pluto.IP, config.Pluto.Port)
dovecotIMAPAddr := fmt.Sprintf("%s:%s", config.Dovecot.IP, config.Dovecot.Port)
log.Printf("Connecting to pluto...\n")
// Connect to remote pluto system.
plutoConn, err := tls.Dial("tcp", plutoIMAPAddr, plutoTLSConfig)
if err != nil {
log.Fatalf("Was unable to connect to remote pluto server: %s\n", err.Error())
}
// Create a new connection struct based on it.
plutoC := &imap.Connection{
OutConn: plutoConn,
OutReader: bufio.NewReader(plutoConn),
}
// Consume mandatory IMAP greeting.
_, err = plutoC.Receive(false)
if err != nil {
log.Fatalf("Error during receiving initial server greeting: %s\n", err.Error())
}
// Log in as first user.
err = plutoC.Send(false, fmt.Sprintf("storeA LOGIN %s %s", config.Pluto.StoreTest.Name, config.Pluto.StoreTest.Password))
if err != nil {
log.Fatalf("Sending LOGIN to server failed with: %s\n", err.Error())
}
// Wait for success message.
answer, err := plutoC.Receive(false)
if err != nil {
log.Fatalf("Error during LOGIN as user %s: %s\n", config.Pluto.StoreTest.Name, err.Error())
}
if strings.HasPrefix(answer, "storeA OK") != true {
log.Fatalf("Server responded unexpectedly to LOGIN: %s\n", answer)
}
log.Printf("Logged in as '%s'.\n", config.Pluto.StoreTest.Name)
// Select INBOX for all following commands.
err = plutoC.Send(false, "storeB SELECT INBOX")
if err != nil {
log.Fatalf("Sending SELECT to server failed with: %s\n", err.Error())
}
// Receive first part of answer.
answer, err = plutoC.Receive(false)
if err != nil {
log.Fatalf("Error receiving first part of SELECT response: %s\n", err.Error())
}
// As long as the IMAP command termination indicator
// was not yet received, continue to append answers.
for (strings.Contains(answer, "completed") != true) &&
(strings.Contains(answer, "BAD") != true) &&
(strings.Contains(answer, "NO") != true) {
// Receive next line from distributor.
nextAnswer, err := plutoC.Receive(false)
if err != nil {
log.Fatalf("Error receiving next part of SELECT response: %s\n", err.Error())
}
answer = fmt.Sprintf("%s\r\n%s", answer, nextAnswer)
}
if strings.Contains(answer, "storeB OK") != true {
log.Fatalf("Server responded unexpectedly to SELECT: %s\n", answer)
}
log.Printf("Selected INBOX for further commands.\n")
// Take current time stamp and create log file name.
logFileTime := time.Now()
plutoLogFileName := fmt.Sprintf("results/pluto-store-%s.log", logFileTime.Format("2006-01-02-15-04-05"))
// Attempt to create a test log file containing
// measured test times for pluto system.
plutoLogFile, err := os.Create(plutoLogFileName)
if err != nil {
log.Fatalf("Failed to create test log file '%s': %s\n", plutoLogFileName, err.Error())
}
// Sync to storage and close on any exit.
defer plutoLogFile.Close()
defer plutoLogFile.Sync()
// Prepend file with meta information about this test.
plutoLogFile.WriteString(fmt.Sprintf("Subject: STORE\nPlatform: pluto\nDate: %s\n-----\n", logFileTime.Format("2006-01-02-15-04-05")))
// Prepare buffer to append individual results to.
results := make([]int64, runs)
log.Printf("Running tests on pluto...\n")
for num := 1; num <= runs; num++ {
i := num - 1
// Prepare command to send.
command := fmt.Sprintf("store%d STORE %d +FLAGS.SILENT (\\Seen \\Deleted)", num, num)
// Take current time stamp.
timeStart := time.Now().UnixNano()
// Send STORE commmand to server.
err := plutoC.Send(false, command)
if err != nil {
log.Fatalf("%d: Failed during sending STORE command: %s\n", num, err.Error())
}
// Receive answer to STORE request.
answer, err := plutoC.Receive(false)
if err != nil {
log.Fatalf("%d: Error receiving response to STORE: %s\n", num, err.Error())
}
// Take time stamp after function execution.
timeEnd := time.Now().UnixNano()
if strings.Contains(answer, "STORE completed") != true {
log.Fatalf("%d: Server responded unexpectedly to STORE command: %s\n", num, answer)
}
// Calculate round-trip time.
rtt := timeEnd - timeStart
// Store result in buffer.
results[i] = rtt
// Append log line to file.
plutoLogFile.WriteString(fmt.Sprintf("%d, %d\n", num, rtt))
}
// Log out.
err = plutoC.Send(false, "storeZ LOGOUT")
if err != nil {
log.Fatalf("Error during LOGOUT: %s\n", err.Error())
}
// Receive first part of answer.
answer, err = plutoC.Receive(false)
if err != nil {
log.Fatalf("Error receiving first part of LOGOUT response: %s\n", err.Error())
}
// Receive next line from server.
nextAnswer, err := plutoC.Receive(false)
if err != nil {
log.Fatalf("Error receiving second part of LOGOUT response: %s\n", err.Error())
}
answer = fmt.Sprintf("%s\r\n%s", answer, nextAnswer)
if strings.Contains(answer, "LOGOUT completed") != true {
log.Fatalf("Server responded unexpectedly to LOGOUT: %s\n", answer)
}
// Calculate statistics and print them.
var sum int64 = 0
for _, result := range results {
sum += result
}
msAvg := (float64(sum) / float64(runs)) / float64(time.Millisecond)
log.Printf("Done on pluto, sent %d store instructions, each took %f ms on average.\n\n", runs, msAvg)
// Run tests on Dovecot.
log.Printf("Connecting to Dovecot...\n")
// Connect to remote Dovecot system.
dovecotConn, err := tls.Dial("tcp", dovecotIMAPAddr, dovecotTLSConfig)
if err != nil {
log.Fatalf("Was unable to connect to remote Dovecot server: %s\n", err.Error())
}
// Create a new connection struct based on it.
dovecotC := &imap.Connection{
OutConn: dovecotConn,
OutReader: bufio.NewReader(dovecotConn),
}
// Consume mandatory IMAP greeting.
_, err = dovecotC.Receive(false)
if err != nil {
log.Fatalf("Error during receiving initial server greeting: %s\n", err.Error())
}
// Log in as first user.
err = dovecotC.Send(false, fmt.Sprintf("storeA LOGIN %s %s", config.Dovecot.StoreTest.Name, config.Dovecot.StoreTest.Password))
if err != nil {
log.Fatalf("Sending LOGIN to server failed with: %s\n", err.Error())
}
// Wait for success message.
answer, err = dovecotC.Receive(false)
if err != nil {
log.Fatalf("Error during LOGIN as user %s: %s\n", config.Dovecot.StoreTest.Name, err.Error())
}
if strings.HasPrefix(answer, "storeA OK") != true {
log.Fatalf("Server responded unexpectedly to LOGIN: %s\n", answer)
}
log.Printf("Logged in as '%s'.\n", config.Dovecot.StoreTest.Name)
// Select INBOX for all following commands.
err = dovecotC.Send(false, "storeB SELECT INBOX")
if err != nil {
log.Fatalf("Sending SELECT to server failed with: %s\n", err.Error())
}
// Receive first part of answer.
answer, err = dovecotC.Receive(false)
if err != nil {
log.Fatalf("Error receiving first part of SELECT response: %s\n", err.Error())
}
// As long as the IMAP command termination indicator
// was not yet received, continue to append answers.
for (strings.Contains(answer, "completed") != true) &&
(strings.Contains(answer, "BAD") != true) &&
(strings.Contains(answer, "NO") != true) {
// Receive next line from distributor.
nextAnswer, err := dovecotC.Receive(false)
if err != nil {
log.Fatalf("Error receiving next part of SELECT response: %s\n", err.Error())
}
answer = fmt.Sprintf("%s\r\n%s", answer, nextAnswer)
}
if strings.Contains(answer, "storeB OK") != true {
log.Fatalf("Server responded unexpectedly to SELECT: %s\n", answer)
}
log.Printf("Selected INBOX for further commands.\n")
// Prepare log file name for Dovecot.
dovecotLogFileName := fmt.Sprintf("results/dovecot-store-%s.log", logFileTime.Format("2006-01-02-15-04-05"))
// Attempt to create a test log file containing
// measured test times for Dovecot system.
dovecotLogFile, err := os.Create(dovecotLogFileName)
if err != nil {
log.Fatalf("Failed to create test log file '%s': %s\n", dovecotLogFileName, err.Error())
}
// Sync to storage and close on any exit.
defer dovecotLogFile.Close()
defer dovecotLogFile.Sync()
// Prepend file with meta information about this test.
dovecotLogFile.WriteString(fmt.Sprintf("Subject: STORE\nPlatform: Dovecot\nDate: %s\n-----\n", logFileTime.Format("2006-01-02-15-04-05")))
log.Printf("Running tests on Dovecot...\n")
// Reset results slice.
results = make([]int64, runs)
for num := 1; num <= runs; num++ {
i := num - 1
// Prepare command to send.
command := fmt.Sprintf("store%d STORE %d +FLAGS.SILENT (\\Seen \\Deleted)", num, num)
// Take current time stamp.
timeStart := time.Now().UnixNano()
// Send STORE commmand to server.
err := dovecotC.Send(false, command)
if err != nil {
log.Fatalf("%d: Failed during sending STORE command: %s\n", num, err.Error())
}
// Receive answer to STORE request.
answer, err := dovecotC.Receive(false)
if err != nil {
log.Fatalf("%d: Error receiving response to STORE: %s\n", num, err.Error())
}
// Take time stamp after function execution.
timeEnd := time.Now().UnixNano()
if strings.Contains(answer, "Store completed") != true {
log.Fatalf("%d: Server responded unexpectedly to STORE command: %s\n", num, answer)
}
// Calculate round-trip time.
rtt := timeEnd - timeStart
// Store result in buffer.
results[i] = rtt
// Append log line to file.
dovecotLogFile.WriteString(fmt.Sprintf("%d, %d\n", num, rtt))
}
// Log out.
err = dovecotC.Send(false, "storeZ LOGOUT")
if err != nil {
log.Fatalf("Error during LOGOUT: %s\n", err.Error())
}
// Receive first part of answer.
answer, err = dovecotC.Receive(false)
if err != nil {
log.Fatalf("Error receiving first part of LOGOUT response: %s\n", err.Error())
}
// Receive next line from server.
nextAnswer, err = dovecotC.Receive(false)
if err != nil {
log.Fatalf("Error receiving second part of LOGOUT response: %s\n", err.Error())
}
answer = fmt.Sprintf("%s\r\n%s", answer, nextAnswer)
if strings.Contains(answer, "Logging out") != true {
log.Fatalf("Server responded unexpectedly to LOGOUT: %s\n", answer)
}
// Calculate statistics and print them.
sum = 0
for _, result := range results {
sum += result
}
msAvg = 0
msAvg = (float64(sum) / float64(runs)) / float64(time.Millisecond)
log.Printf("Done on Dovecot, sent %d store instructions, each took %f ms on average.", runs, msAvg)
}
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