40 lines
1.0 KiB
Swift
40 lines
1.0 KiB
Swift
|
import Foundation
|
||
|
|
|
||
|
|
struct DeviceDataRequest: DeviceRequest {
|
||
|
|
|
||
|
|
typealias Response = Data
|
||
|
|
|
||
|
|
static let type: BluetoothRequestType = .getRecordingData
|
||
|
|
|
||
|
|
let offset: Int
|
||
|
|
|
||
|
|
let count: Int
|
||
|
|
|
||
|
|
var payload: Data {
|
||
|
|
count.twoByteData + offset.twoByteData
|
||
|
|
}
|
||
|
|
|
||
|
|
init(offset: Int, count: Int) {
|
||
|
|
self.offset = offset
|
||
|
|
self.count = count
|
||
|
|
}
|
||
|
|
|
||
|
|
func makeResponse(from responseData: Data, responseType: BluetoothResponseType) -> Data? {
|
||
|
|
switch responseType {
|
||
|
|
case .success:
|
||
|
|
break
|
||
|
|
case .responseTooLarge:
|
||
|
|
log.warning("Exceeded payload size for device data request (offset: \(offset), count: \(count))")
|
||
|
|
break
|
||
|
|
default:
|
||
|
|
log.warning("Invalid response \(responseType) to device data request")
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
guard responseData.count == count else {
|
||
|
|
log.warning("Got \(responseData.count) for device data request (offset: \(offset), count: \(count))")
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
return responseData
|
||
|
|
}
|
||
|
|
}
|