public IEnumerable <byte[]> ReadLogs(DateTime startTime, LogDataLevel level)
{
if (LogStatus != LogStatus.Idle)
{
throw new InvalidOperationException("Cancel the current read op before starting a new one");
}
LogStatus = LogStatus.InProgress;
Vivo45LogPacket.Vivo45LogLevel v45Level = GetVivoLogLevel(level);
if (!device.Messenger.StartLogDownload(v45Level, startTime, DateTime.Now, true))
{
LogStatus = LogStatus.Idle;
throw new Communication.CommunicationException("Error sending log start message");
}
//start reading
var logs = new List <byte[]>();
int expectedMessageNo = 0;
int time = 0;
int start = Environment.TickCount;
LogStatus = LogStatus.InProgress;
Vivo45LogPacket logPacket = null;
while (time < Timeout)
{
if (LogStatus == LogStatus.Cancelled)
{
LogStatus = LogStatus.Idle;
throw new LogException("Cancelled", LogStatus.Cancelled);
}
logPacket = device.Messenger.GetNextLogPacket(v45Level);
if (logPacket == null || !logPacket.Ack)
{
LogStatus = LogStatus.Idle;
throw new Communication.CommunicationException("Error reading log message");
}
if (!ReadMessage(ref expectedMessageNo, logs, logPacket))
{
LogStatus = LogStatus.Idle;
throw new Communication.CommunicationException("Missed a log message");
}
RaiseStatus(expectedMessageNo, expectedMessageNo);
if (logPacket.LastPacket)
{
LogStatus = LogStatus.Completed;
RaiseStatus(expectedMessageNo, expectedMessageNo);
break;
}
time += Environment.TickCount - start;
start = Environment.TickCount;
}
LogStatus = LogStatus.Idle;
return(logs);
}
public bool StartLogDownload(Vivo45LogPacket.Vivo45LogLevel level, DateTime startTimestamp, DateTime endTimestamp, bool storeSync)
{
bool rtn = false;
V45Packet cmdResponse = HandleLogData(Vivo45LogPacket.Vivo45LogAction.sendLog, level, startTimestamp, endTimestamp, storeSync);
if ((Vivo45LogPacket.Vivo45LogAction)cmdResponse.Payload[0] == Vivo45LogPacket.Vivo45LogAction.sendLog &&
(Vivo45LogPacket.Vivo45LogLevel)cmdResponse.Payload[1] == level)
{
rtn = true;
}
return(rtn);
}
private V45Packet HandleLogData(Vivo45LogPacket.Vivo45LogAction action, Vivo45LogPacket.Vivo45LogLevel level, DateTime startTimestamp, DateTime endTimestamp, bool storeSync)
{
byte[] data = new byte[11];
int offset = 0;
data.Add(ref offset, Convert.ToByte(action));
data.Add(ref offset, Convert.ToByte(level));
data.Add(ref offset, BitConverter.GetBytes(GetEpochSecondsFromDateTime(startTimestamp)));
data.Add(ref offset, BitConverter.GetBytes(GetEpochSecondsFromDateTime(endTimestamp)));
data.Add(ref offset, Convert.ToByte(storeSync));
V45Packet cmdPack = new V45Packet(V45Packet.V45Commands.cmdHandleLogData, data, sender, receiver);
var packet = SendMessage(cmdPack);
return(packet);
}
public V45Packet StopLogDownload(Vivo45LogPacket.Vivo45LogLevel level)
{
V45Packet cmdResponse = HandleLogData(Vivo45LogPacket.Vivo45LogAction.stopLog, level, Device.Epoch, Device.Epoch, false);
return(cmdResponse);
}
public Vivo45LogPacket GetNextLogPacket(Vivo45LogPacket.Vivo45LogLevel level)
{
V45Packet cmdResponse = HandleLogData(Vivo45LogPacket.Vivo45LogAction.continueLog, level, Device.Epoch, Device.Epoch, false);
return(new Vivo45LogPacket(cmdResponse.Payload, cmdResponse.Status));
}
