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main.go
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/*
* Whitecat Blocky Environment, agent main program
*
* Copyright (C) 2015 - 2016
* IBEROXARXA SERVICIOS INTEGRALES, S.L.
*
* Author: Jaume Olivé ([email protected] / [email protected])
*
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software
* and its documentation for any purpose and without fee is hereby
* granted, provided that the above copyright notice appear in all
* copies and that both that the copyright notice and this
* permission notice and warranty disclaimer appear in supporting
* documentation, and that the name of the author not be used in
* advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
*
* The author disclaim all warranties with regard to this
* software, including all implied warranties of merchantability
* and fitness. In no event shall the author be liable for any
* special, indirect or consequential damages or any damages
* whatsoever resulting from loss of use, data or profits, whether
* in an action of contract, negligence or other tortious action,
* arising out of or in connection with the use or performance of
* this software.
*/
package main
import (
"fmt"
"github.com/kardianos/osext"
"io/ioutil"
"log"
"os"
"os/exec"
"os/user"
"path"
"runtime"
)
var Version string = "2.2"
var Options []string
var AppFolder = "/"
var AppDataFolder string = "/"
var AppDataTmpFolder string = "/tmp"
var AppFileName = ""
var PrerequisitesFolder = ""
var LastBuildURL = "http://whitecatboard.org/lastbuildv2.php"
var FirmwareURL = "http://whitecatboard.org/firmwarev2.php"
var SupportedBoardsURL = "https://raw.githubusercontent.com/whitecatboard/Lua-RTOS-ESP32/master/boards/boards.json"
func usage() {
fmt.Println("wccagent: usage: wccagent [-b | -lf | -lc | -ui | -v | -p folder]")
fmt.Println("")
fmt.Println(" -b : run in background (only windows)")
fmt.Println(" -lf: log to file")
fmt.Println(" -lc: log to console")
fmt.Println(" -ui: enable the user interface")
fmt.Println(" -v : show version")
fmt.Println(" -p : prerequissites folder")
}
func restart() {
if runtime.GOOS == "darwin" {
os.Exit(1)
} else {
cmd := exec.Command(AppFileName, "-ui")
cmd.Start()
os.Exit(0)
}
}
func start(ui bool, background bool) {
if ui {
if background {
restart()
} else {
setupSysTray()
}
} else {
exitChan := make(chan int)
go webSocketStart(exitChan)
<-exitChan
}
}
func main() {
includeInRespawn := false
withLogFile := false
withLogConsole := false
withUI := false
withBackground := false
nextIsPrerequisitesFolder := false
ok := true
i := 0
// Get arguments and process arguments
for _, arg := range os.Args {
includeInRespawn = true
if nextIsPrerequisitesFolder {
PrerequisitesFolder = arg
nextIsPrerequisitesFolder = false
continue
}
switch arg {
case "-b":
if runtime.GOOS == "windows" {
withBackground = true
} else {
ok = false
}
case "-lf":
withLogFile = true
case "-lc":
withLogConsole = true
case "-ui":
withUI = true
case "-v":
includeInRespawn = false
fmt.Println(Version)
os.Exit(0)
case "-p":
nextIsPrerequisitesFolder = true
default:
if i > 0 {
ok = false
}
}
if includeInRespawn && (i > 0) {
Options = append(Options, arg)
}
i = i + 1
}
if !ok {
usage()
os.Exit(1)
}
// Get home directory, create the user data folder, and needed folders
usr, err := user.Current()
if err != nil {
panic(err)
}
if runtime.GOOS == "darwin" {
AppDataFolder = path.Join(usr.HomeDir, ".wccagent")
} else if runtime.GOOS == "windows" {
AppDataFolder = path.Join(usr.HomeDir, "AppData", "The Whitecat Create Agent")
} else if runtime.GOOS == "linux" {
AppDataFolder = path.Join(usr.HomeDir, ".whitecat-create-agent")
}
AppDataTmpFolder = path.Join(AppDataFolder, "tmp")
_ = os.Mkdir(AppDataFolder, 0755)
_ = os.Mkdir(AppDataTmpFolder, 0755)
// Get where program is executed
execFolder, err := osext.ExecutableFolder()
if err != nil {
panic(err)
}
AppFolder = execFolder
AppFileName, _ = osext.Executable()
// Set log options
if withLogConsole {
// User wants log to console
} else if withLogFile {
// User wants log to file
f, _ := os.OpenFile(path.Join(AppDataFolder, "log.txt"), os.O_RDWR|os.O_CREATE, 0755)
log.SetOutput(f)
defer f.Close()
} else {
// User does not want log
log.SetOutput(ioutil.Discard)
}
start(withUI, withBackground)
}