func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
if *flagDebug {
logger.Enable(lib.MyName() + ".log")
}
if *flagVersion {
fmt.Println(lib.MyName() + " version " + version.Version())
return
}
if *flagHelp {
usage()
return
}
conn := connector.NewConnector(flagHost, flagSocket, flagPort, flagUser, flagPassword, flagDefaultsFile)
disp := display.NewScreenDisplay(*flagLimit, false)
app := app.NewApp(conn, *flagInterval, *flagCount, false, *flagView, disp)
app.Run()
app.Cleanup()
}
func main() {
var err = errors.New("unknown")
flag.Parse()
// Too many arguments
if len(flag.Args()) > 2 {
usage()
os.Exit(1)
}
// delay
if len(flag.Args()) >= 1 {
delay, err = strconv.Atoi(flag.Args()[0])
if err != nil {
log.Fatal("Unable to parse delay: ", err)
}
} else {
delay = 1
}
// count
if len(flag.Args()) >= 2 {
count, err = strconv.Atoi(flag.Args()[1])
if err != nil {
log.Fatal("Unable to parse count: ", err)
}
} else {
count = 0
}
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
if *flagDebug {
logger.Enable(lib.MyName() + ".log")
}
if *flagVersion {
fmt.Println(lib.MyName() + " version " + version.Version())
return
}
if *flagHelp {
usage()
return
}
conn := connector.NewConnector(flagHost, flagSocket, flagPort, flagUser, flagPassword, flagDefaultsFile)
disp := display.NewStdoutDisplay(*flagLimit, true)
app := app.NewApp(conn, delay, count, true, *flagView, disp)
app.Run()
app.Cleanup()
}
func main() {
connectorFlags = connector.Flags{
DefaultsFile: flag.String("defaults-file", "", "Define the defaults file to read"),
Host: flag.String("host", "", "Provide the hostname of the MySQL to connect to"),
Password: flag.String("password", "", "Provide the password when connecting to the MySQL server"),
Port: flag.Int("port", 0, "Provide the port number of the MySQL to connect to (default: 3306)"), /* Port is deliberately 0 here, defaults to 3306 elsewhere */
Socket: flag.String("socket", "", "Provide the path to the local MySQL server to connect to"),
User: flag.String("user", "", "Provide the username to connect with to MySQL (default: $USER)"),
UseEnvironment: flag.Bool("use-environment", false, "Use the environment variable MYSQL_DSN (go dsn) to connect with to MySQL"),
}
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
if *flagDebug {
logger.Enable()
}
if *flagVersion {
fmt.Println(lib.MyName() + " version " + version.Version())
return
}
if *flagHelp {
usage()
return
}
settings := app.Settings{
Anonymise: *flagAnonymise,
Conn: connector.NewConnector(connectorFlags),
Interval: *flagInterval,
Count: *flagCount,
Stdout: false,
View: *flagView,
Disp: display.NewScreenDisplay(*flagLimit, false),
}
app := app.NewApp(settings)
app.Run()
app.Cleanup()
}
// DisplayHelp displays a help page on the screen
func (s *ScreenDisplay) DisplayHelp() {
s.screen.PrintAt(0, 0, lib.MyName()+" version "+version.Version()+" "+lib.Copyright())
s.screen.PrintAt(0, 2, "Program to show the top I/O information by accessing information from the")
s.screen.PrintAt(0, 3, "performance_schema schema. Ideas based on mysql-sys.")
s.screen.PrintAt(0, 5, "Keys:")
s.screen.PrintAt(0, 6, "- - reduce the poll interval by 1 second (minimum 1 second)")
s.screen.PrintAt(0, 7, "+ - increase the poll interval by 1 second")
s.screen.PrintAt(0, 8, "h/? - this help screen")
s.screen.PrintAt(0, 9, "q - quit")
s.screen.PrintAt(0, 10, "s - sort differently (where enabled) - sorts on a different column")
s.screen.PrintAt(0, 11, "t - toggle between showing time since resetting statistics or since P_S data was collected")
s.screen.PrintAt(0, 12, "z - reset statistics")
s.screen.PrintAt(0, 13, "<tab> or <right arrow> - change display modes between: latency, ops, file I/O, lock and user modes")
s.screen.PrintAt(0, 14, "<left arrow> - change display modes to the previous screen (see above)")
s.screen.PrintAt(0, 16, "Press h to return to main screen")
}
// Version returns the Application version
func (c Context) Version() string {
return version.Version()
}
func main() {
connectorFlags = connector.Flags{
Host: flag.String("host", "", "Provide the hostname of the MySQL to connect to"),
Password: flag.String("password", "", "Provide the password when connecting to the MySQL server"),
Port: flag.Int("port", 0, "Provide the port number of the MySQL to connect to (default: 3306)"), /* Port is deliberately 0 here, defaults to 3306 elsewhere */
Socket: flag.String("socket", "", "Provide the path to the local MySQL server to connect to"),
User: flag.String("user", "", "Provide the username to connect with to MySQL (default: $USER)"),
UseEnvironment: flag.Bool("use-environment", false, "Use the environment variable MYSQL_DSN (go dsn) to connect with to MySQL"),
}
var err = errors.New("unknown")
flag.Parse()
// Too many arguments
if len(flag.Args()) > 2 {
usage()
os.Exit(1)
}
// delay
if len(flag.Args()) >= 1 {
delay, err = strconv.Atoi(flag.Args()[0])
if err != nil {
log.Fatal("Unable to parse delay: ", err)
}
} else {
delay = 1
}
// count
if len(flag.Args()) >= 2 {
count, err = strconv.Atoi(flag.Args()[1])
if err != nil {
log.Fatal("Unable to parse count: ", err)
}
} else {
count = 0
}
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
if *flagDebug {
logger.Enable()
}
if *flagVersion {
fmt.Println(lib.MyName() + " version " + version.Version())
return
}
if *flagHelp {
usage()
return
}
settings := app.Settings{
Conn: connector.NewConnector(connectorFlags),
Interval: delay,
Count: count,
Stdout: true,
View: *flagView,
Disp: display.NewStdoutDisplay(*flagLimit, true),
}
app := app.NewApp(settings)
app.Run()
app.Cleanup()
}