/*
* GetSenseInformation
*
* Attempt to get SCSI sense information either from the Auto sense
* mechanism or by querying manually.
*/
void
IOSCSITape::GetSense(SCSITaskIdentifier request)
{
SCSI_Sense_Data senseBuffer = { 0 };
bool validSense = false;
SCSIServiceResponse serviceResponse = kSCSIServiceResponse_SERVICE_DELIVERY_OR_TARGET_FAILURE;
IOMemoryDescriptor *bufferDesc = IOMemoryDescriptor::withAddress((void *)&senseBuffer,
sizeof(senseBuffer),
kIODirectionIn);
if (GetTaskStatus(request) == kSCSITaskStatus_CHECK_CONDITION)
{
validSense = GetAutoSenseData(request, &senseBuffer);
if (validSense == false)
{
if (REQUEST_SENSE(request, bufferDesc, kSenseDefaultSize, 0) == true)
serviceResponse = SendCommand(request, kTenSecondTimeoutInMS);
if (serviceResponse == kSCSIServiceResponse_TASK_COMPLETE)
validSense = true;
}
if (validSense == true)
InterpretSense(&senseBuffer);
else
STATUS_LOG("invalid or unretrievable SCSI SENSE");
}
bufferDesc->release();
}
/*
* DoSCSICommand()
* Encapsulate super::SendCommand() to handle unexpected service and
* task errors as well as hand off to SCSI SENSE interpreter.
*/
SCSITaskStatus
IOSCSITape::DoSCSICommand(
SCSITaskIdentifier request,
UInt32 timeoutDuration)
{
SCSITaskStatus taskStatus = kSCSITaskStatus_DeliveryFailure;
SCSIServiceResponse serviceResponse = kSCSIServiceResponse_SERVICE_DELIVERY_OR_TARGET_FAILURE;
require((request != 0), ErrorExit);
serviceResponse = SendCommand(request, timeoutDuration);
sense_flags = 0;
if (serviceResponse != kSCSIServiceResponse_TASK_COMPLETE)
{
STATUS_LOG("unknown service response: 0x%x", serviceResponse);
goto ErrorExit;
}
else
{
taskStatus = GetTaskStatus(request);
if (taskStatus == kSCSITaskStatus_CHECK_CONDITION)
{
/* Get and interpret SCSI SENSE information */
GetSense(request);
}
else if (taskStatus != kSCSITaskStatus_GOOD)
{
STATUS_LOG("unknown task status: 0x%x", taskStatus);
}
else if (taskStatus == kSCSITaskStatus_GOOD)
{
/* setup flags for device file closing */
if (flags & ST_WRITTEN_TOGGLE)
flags |= ST_WRITTEN;
else
flags &= ~ST_WRITTEN;
}
}
/* clear the write toggle bit in case the next command is not a
* write */
flags &= ~ST_WRITTEN_TOGGLE;
ErrorExit:
return taskStatus;
}
int GroupClient::ProcessList(
const std::string &infohash,
const bool is_full,
const bool is_show_history,
const bool is_daemon) {
std::vector<TaskStatus> task_status_list;
PrintListTitle();
if (!is_daemon) {
// use no daemon, so just print one line and return
if (GetTaskStatus(infohash, is_full, task_status_list) != 0) {
fprintf(stderr, "get task status error, infohash[%s], is_full[%d]\n", infohash.c_str(), is_full);
return -1;
}
std::vector<TaskStatus>::iterator it = task_status_list.begin();
for (; it != task_status_list.end(); ++it) {
PrintOneTaskStatus(*it, is_show_history);
}
return 0;
}
int line_count = 0;
while(true) {
if (GetTaskStatus(infohash, is_full, task_status_list) != 0) {
fprintf(stderr, "get task status error, infohash[%s], is_full[%d]\n", infohash.c_str(), is_full);
break;
}
// clear history print
if (line_count != 0) {
ClearList(line_count);
}
bool has_not_finished = false;
std::string print_string;
line_count = 0;
std::vector<TaskStatus>::iterator it = task_status_list.begin();
for (; it != task_status_list.end(); ++it) {
std::string task_status_string;
if (!it->is_task_finished || it->state == -1) {
has_not_finished = true;
}
task_status_string = GetTaskStatusString(*it, is_show_history);
if (task_status_string.empty()) {
continue;
}
print_string.append(task_status_string);
// each task status string need 2 line
line_count += 2;
} // for
print_string.append(GetAllTaskSumInfo(task_status_list));
line_count += 2;
if (!has_not_finished) {
fprintf(stdout, "%s\33[%dA", print_string.c_str(), line_count);
break;
}
fprintf(stdout, "%s\33[%dA", print_string.c_str(), line_count);
sleep(1);
} // while
fprintf(stdout, "\33[%dB\n\33[10000D\33[KAll task finished\n\33[K\33[0m", line_count+1);
return 0;
}