public static void CopyDatabase(TimeSeriesDB source, TimeSeriesDB dest)
{
ChannelInfo[] sourceChannels = source.GetAllChannels();
Console.WriteLine($"CopyDatabase source db channel count: {sourceChannels.Length}.");
double Total = sourceChannels.Length;
double counter = 0;
foreach (ChannelInfo ch in sourceChannels)
{
counter += 1;
if (dest.ExistsChannel(ch.Object, ch.Variable))
{
Channel srcChannel = source.GetChannel(ch.Object, ch.Variable);
Channel dstChannel = dest.GetChannel(ch.Object, ch.Variable);
var sw = Stopwatch.StartNew();
long count = CopyChannel(srcChannel, dstChannel);
sw.Stop();
string progress = string.Format("{0:0.0}%", 100.0 * counter / Total);
Console.WriteLine($"Copied {count} entries of channel {ch.Object} in {sw.ElapsedMilliseconds} ms ({progress})");
}
}
}
public static void CopyData(string srcType, string srcConnectionString, string dstType, string dstConnectionString)
{
try {
TimeSeriesDB src = OpenDatabase(srcType, srcConnectionString);
TimeSeriesDB dst = OpenDatabase(dstType, dstConnectionString);
CopyDatabase(source: src, dest: dst);
}
catch (Exception exp) {
Console.Error.WriteLine(exp.Message);
Console.Error.WriteLine(exp.StackTrace);
}
}
private async Task Runner()
{
while (true)
{
WorkItem it = await ReceiveNext();
if (it is WI_BatchAppend)
{
try {
Append(it as WI_BatchAppend);
}
catch (Exception exp) {
logger.Error(exp, "Batch Append failed");
}
}
else if (it is WI_ReadRaw)
{
ReadRaw(it as WI_ReadRaw);
}
else if (it is WI_Count)
{
DoCount(it as WI_Count);
}
else if (it is WI_DeleteInterval)
{
DoDeleteInterval(it as WI_DeleteInterval);
}
else if (it is WI_Modify)
{
DoModify(it as WI_Modify);
}
else if (it is WI_Delete)
{
DoDelete(it as WI_Delete);
}
else if (it is WI_GetLatestTimestampDb)
{
DoGetLatestTimestampDb(it as WI_GetLatestTimestampDb);
}
else if (it is WI_Start)
{
WI_Start start = it as WI_Start;
try {
db = dbCreator();
db.Open(dbName, dbConnectionString, dbSettings);
start.Promise.SetResult(true);
started = true;
}
catch (Exception e) {
start.Promise.SetException(e);
return;
}
}
else if (it is WI_Terminate)
{
WI_Terminate terminate = it as WI_Terminate;
db.Close();
terminate.Promise.SetResult(true);
return;
}
}
}
