func (s *Contester) LocalExecuteConnected(request *contester_proto.LocalExecuteConnected, response *contester_proto.LocalExecuteConnectedResult) error {
firstSandbox, err := findSandbox(s.Sandboxes, request.First)
if err != nil {
return err
}
secondSandbox, err := findSandbox(s.Sandboxes, request.Second)
if err != nil {
return err
}
firstSandbox.Mutex.Lock()
defer firstSandbox.Mutex.Unlock()
secondSandbox.Mutex.Lock()
defer secondSandbox.Mutex.Unlock()
err = chmodRequestIfNeeded(firstSandbox, request.First)
if err != nil {
return err
}
err = chmodRequestIfNeeded(secondSandbox, request.Second)
if err != nil {
return err
}
first, err := s.setupSubprocess(request.First, firstSandbox, false)
if err != nil {
return err
}
second, err := s.setupSubprocess(request.Second, secondSandbox, false)
if err != nil {
return err
}
err = subprocess.Interconnect(first, second, nil, nil)
if err != nil {
return err
}
cs := make(chan runResult, 1)
outstanding := 2
go execAndSend(first, cs, false)
go execAndSend(second, cs, true)
for outstanding > 0 {
r := <-cs
outstanding--
if r.second {
if r.e != nil {
err = r.e
} else {
response.Second = &contester_proto.LocalExecutionResult{}
fillResult(r.r, response.Second)
}
} else {
if r.e != nil {
err = r.e
} else {
response.First = &contester_proto.LocalExecutionResult{}
fillResult(r.r, response.First)
}
}
}
return err
}
func main() {
programFlags, globalFlags, err := ParseFlags(true, os.Args[1:])
if err != nil {
Fail(globalFlags.Xml, err, "Parse main flags")
}
if globalFlags.Logfile != "" {
logfile, err := os.Create(globalFlags.Logfile)
if err != nil {
log.Fatal(err)
}
log.SetOutput(logfile)
}
var interactorFlags *ProcessConfig
if globalFlags.Interactor != "" {
interactorFlags, _, err = ParseFlags(false, strings.Split(globalFlags.Interactor, " "))
if err != nil {
Fail(globalFlags.Xml, err, "Parse interator flags")
}
}
if globalFlags.Xml {
fmt.Println(XML_HEADER)
}
desktop, err := CreateDesktopIfNeeded(programFlags, interactorFlags)
if err != nil {
Fail(globalFlags.Xml, err, "Create desktop if needed")
}
loadLibrary, err := GetLoadLibraryIfNeeded(programFlags, interactorFlags)
if err != nil {
Fail(globalFlags.Xml, err, "Load library if needed")
}
var program, interactor *subprocess.Subprocess
program, err = SetupSubprocess(programFlags, desktop, loadLibrary)
if err != nil {
Fail(globalFlags.Xml, err, "Setup main subprocess")
}
if interactorFlags != nil {
interactor, err = SetupSubprocess(interactorFlags, desktop, loadLibrary)
if err != nil {
Fail(globalFlags.Xml, err, "Setup interactor subprocess")
}
var recordI, recordO *os.File
if globalFlags.RecordProgramInput != "" {
recordI, err = os.Create(globalFlags.RecordProgramInput)
if err != nil {
Fail(globalFlags.Xml, err, "Create input recorded")
}
}
if globalFlags.RecordProgramOutput != "" {
recordO, err = os.Create(globalFlags.RecordProgramOutput)
if err != nil {
Fail(globalFlags.Xml, err, "Create output recorder")
}
}
err = subprocess.Interconnect(program, interactor, recordI, recordO)
if err != nil {
Fail(globalFlags.Xml, err, "Interconnect")
}
}
cs := make(chan RunResult, 1)
outstanding := 1
if interactor != nil {
outstanding++
go ExecAndSend(interactor, cs, INTERACTOR)
}
go ExecAndSend(program, cs, PROGRAM)
var results [2]*RunResult
var programReturnCode int
for outstanding > 0 {
r := <-cs
outstanding--
results[int(r.T)] = &r
if r.T == PROGRAM && r.R != nil {
programReturnCode = int(r.R.ExitCode)
}
}
if globalFlags.Xml {
fmt.Println(XML_RESULTS_START)
}
for _, result := range results {
if result == nil {
continue
}
PrintResult(globalFlags.Xml, globalFlags.ShowKernelModeTime, result)
}
if globalFlags.Xml {
fmt.Println(XML_RESULTS_END)
}
if globalFlags.ReturnExitCode {
os.Exit(programReturnCode)
}
}