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#define GIBIBYTE (1024 * 1024 * 1024)
#define MEBIBYTE (1024 * 1024)
#define KIBIBYTE (1024)
#define UPDATE_INTERVAL 0.1
@implementation ProgressBar
- (instancetype)initWithLength: (intmax_t)length
resumedFrom: (intmax_t)resumedFrom
- (instancetype)initWithLength: (unsigned long long)length
resumedFrom: (unsigned long long)resumedFrom
{
self = [super init];
@try {
void *pool = objc_autoreleasePoolPush();
_length = length;
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[_lastReceivedDate release];
[_drawTimer release];
[_BPSTimer release];
[super dealloc];
}
- (void)setReceived: (intmax_t)received
- (void)setReceived: (unsigned long long)received
{
_received = received;
}
- (void)_drawProgress
{
float bars, percent;
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[of_stdout writeString: OF_LOCALIZED(@"progress_kib",
@"%[num] KiB",
@"num", num)];
} else {
OFString *num = [OFString stringWithFormat:
@"%jd", _resumedFrom + _received];
[of_stdout writeString: OF_LOCALIZED(@"progress_bytes",
[@"["
@" ["
@" {'num == 1': '1 byte '},"
@" {'': '%[num] bytes'}"
@" ]"
@"]" JSONValue],
@"["
@" ["
@" {'num == 1': '1 byte '},"
@" {'': '%[num] bytes'}"
@" ]"
@"]".objectByParsingJSON,
@"num", num)];
}
[of_stdout writeString: @" "];
if (_stopped)
_BPS = (float)_received /
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[self _drawProgress];
else
[self _drawReceived];
}
- (void)calculateBPSAndETA
{
_BPSWindow[_BPSWindowIndex++ % BPS_WINDOW_SIZE] =
_BPS = (float)(_received - _lastReceived) /
(float)(_received - _lastReceived) /
-(float)_lastReceivedDate.timeIntervalSinceNow;
if (_BPSWindowLength < BPS_WINDOW_SIZE)
_BPSWindowLength++;
_BPS = 0;
for (size_t i = 0; i < _BPSWindowLength; i++)
_BPS += _BPSWindow[i];
_BPS /= _BPSWindowLength;
_ETA = (double)(_length - _received) / _BPS;
_lastReceived = _received;
[_lastReceivedDate release];
_lastReceivedDate = [[OFDate alloc] init];
}
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