private static bool TryParse(string input, out TryingEvent e)
{
e = null;
if (Regex.IsMatch(input, $@"\A{CtiProtocol.PropertyType.EVENT}: {CtiProtocol.EventType.TRAYING}"))
{
e = new TryingEvent
{
SessionId = Parse(input, CtiProtocol.PropertyType.SESSION_ID),
Timestamp = Parse(input, CtiProtocol.PropertyType.TIMESTAMP),
CallStartDate = Parse(input, CtiProtocol.PropertyType.CALL_START_DATE),
SourceCallerId = Parse(input, CtiProtocol.PropertyType.SOURCE_CALLER_ID),
DestinationCallerId = Parse(input, CtiProtocol.PropertyType.DESTINATION_CALLER_ID)
};
return(true);
}
return(false);
}
private CtiEvent ParseTryingEvent(string input)
{
TryingEvent e = new TryingEvent();
int idx = CtiProtocol.FIRST_TRYING_LINE_LEN + CtiProtocol.SESSION_ID_PROP_LEN + CtiProtocol.COLON_AND_SPACE_LEN;
int limit = idx + CtiProtocol.SESSION_ID_VALU_LEN;
e.SessionId = input.Substring(idx, CtiProtocol.SESSION_ID_VALU_LEN);
idx = limit + CtiProtocol.END_LINE_LEN + CtiProtocol.SOURCE_CALLER_ID_PROP_LEN + CtiProtocol.COLON_AND_SPACE_LEN;
for (int i = idx; ; i++)
{
if (input[i + 1] == CtiProtocol.CARRIAGE_RETURN && input[i + 2] == CtiProtocol.LINE_FEED)
{
e.SourceCallerId = input.Substring(idx, i - idx + 1);
idx = i;
break;
}
}
idx += CtiProtocol.END_LINE_LEN + CtiProtocol.DESTINATION_CALLER_ID_PROP_LEN + CtiProtocol.COLON_AND_SPACE_LEN + 1;
for (int i = idx; ; i++)
{
if (input[i + 1] == CtiProtocol.CARRIAGE_RETURN && input[i + 2] == CtiProtocol.LINE_FEED)
{
e.DestinationCallerId = input.Substring(idx, i - idx + 1);
idx = i;
break;
}
}
idx += CtiProtocol.END_LINE_LEN + CtiProtocol.CALL_START_DATE_PROP_LEN + CtiProtocol.COLON_AND_SPACE_LEN + 1;
limit = idx + CtiProtocol.CALL_START_DATE_VALU_LEN;
e.CallStartDate = input.Substring(idx, limit - idx);
idx = limit + CtiProtocol.END_LINE_LEN + CtiProtocol.TIMESTAMP_PROP_LEN + CtiProtocol.COLON_AND_SPACE_LEN;
limit = idx + CtiProtocol.TIMESTAMP_VALU_LEN;
e.Timestamp = input.Substring(idx, limit - idx);
return(e);
}
private CtiEvent ParseTryingEvent(string input)
{
TryingEvent e = new TryingEvent();
e.SessionId = input.Substring(CtiProtocol.SESSION_ID_IDX_SHIFT, CtiProtocol.SESSION_ID_VALU_LEN);
int idx = WithEndLineFound(CtiProtocol.SOURCE_CALLER_ID_IDX_SHIFT, input, value => e.SourceCallerId = value);
idx = WithEndLineFound(idx += CtiProtocol.DESTINATION_CALLER_ID_SHIFT, input, value => e.DestinationCallerId = value);
idx += CtiProtocol.CALL_START_DATE_SHIFT;
int limit = idx + CtiProtocol.CALL_START_DATE_VALU_LEN;
e.CallStartDate = input.Substring(idx, limit - idx);
idx = limit + CtiProtocol.TIMESTAMP_SHIFT;
limit = idx + CtiProtocol.TIMESTAMP_VALU_LEN;
e.Timestamp = input.Substring(idx, limit - idx);
return(e);
}
private CtiEvent ParseTryingEvent(string input)
{
TryingEvent e = new TryingEvent();
int idx = CtiProtocol.FIRST_TRYING_LINE_LEN + CtiProtocol.SESSION_ID_PROP_LEN + CtiProtocol.COLON_AND_SPACE_LEN;
int limit = idx + CtiProtocol.SESSION_ID_VALU_LEN;
e.SessionId = input.Substring(idx, CtiProtocol.SESSION_ID_VALU_LEN);
idx = limit + CtiProtocol.END_LINE_LEN + CtiProtocol.SOURCE_CALLER_ID_PROP_LEN + CtiProtocol.COLON_AND_SPACE_LEN;
for (int i = idx; ; i += 2)
{
switch (input[i])
{
case CtiProtocol.CARRIAGE_RETURN:
{
e.SourceCallerId = input.Substring(idx, i - idx);
idx = i - 1;
goto LEAVE_FOR_1;
}
case CtiProtocol.LINE_FEED:
{
e.SourceCallerId = input.Substring(idx, i - idx - 1);
idx = i - 2;
goto LEAVE_FOR_1;
}
}
}
LEAVE_FOR_1:
idx += CtiProtocol.END_LINE_LEN + CtiProtocol.DESTINATION_CALLER_ID_PROP_LEN + CtiProtocol.COLON_AND_SPACE_LEN + 1;
for (int i = idx; ; i += 2)
{
switch (input[i])
{
case CtiProtocol.CARRIAGE_RETURN:
{
e.DestinationCallerId = input.Substring(idx, i - idx);
idx = i - 1;
goto LEAVE_FOR_2;
}
case CtiProtocol.LINE_FEED:
{
e.DestinationCallerId = input.Substring(idx, i - idx - 1);
idx = i - 2;
goto LEAVE_FOR_2;
}
}
}
LEAVE_FOR_2:
idx += CtiProtocol.END_LINE_LEN + CtiProtocol.CALL_START_DATE_PROP_LEN + CtiProtocol.COLON_AND_SPACE_LEN + 1;
limit = idx + CtiProtocol.CALL_START_DATE_VALU_LEN;
e.CallStartDate = input.Substring(idx, limit - idx);
idx = limit + CtiProtocol.END_LINE_LEN + CtiProtocol.TIMESTAMP_PROP_LEN + CtiProtocol.COLON_AND_SPACE_LEN;
limit = idx + CtiProtocol.TIMESTAMP_VALU_LEN;
e.Timestamp = input.Substring(idx, limit - idx);
return(e);
}
private void ParseTryingEvent(string input)
{
TryingEvent outputEvent = new TryingEvent();
outputEvent.SessionId = input.Substring(Shift.Trying.SESSION_ID_IDX_SHIFT, Shift.SESSION_ID_VALU);
int idx = Shift.Trying.SOURCE_CALLER_ID_IDX_SHIFT;
for (int i = idx; ; i += 2)
{
switch ((byte)input[i])
{
case Asci.CR:
{
outputEvent.SourceCallerId = input.Substring(idx, i - idx);
idx = i - 1;
goto LEAVE_FOR_1;
}
case Asci.LF:
{
outputEvent.SourceCallerId = input.Substring(idx, i - idx - 1);
idx = i - 2;
goto LEAVE_FOR_1;
}
}
}
LEAVE_FOR_1:
idx += Shift.Trying.DESTINATION_CALLER_ID_SHIFT;
for (int i = idx; ; i += 2)
{
switch ((byte)input[i])
{
case Asci.CR:
{
outputEvent.DestinationCallerId = input.Substring(idx, i - idx);
idx = i - 1;
goto LEAVE_FOR_2;
}
case Asci.LF:
{
outputEvent.DestinationCallerId = input.Substring(idx, i - idx - 1);
idx = i - 2;
goto LEAVE_FOR_2;
}
}
}
LEAVE_FOR_2:
idx += Shift.Trying.CALL_START_DATE_SHIFT;
int limit = idx + Shift.CALL_START_DATE_VALU;
outputEvent.CallStartDate = input.Substring(idx, limit - idx);
idx = limit + Shift.Trying.TIMESTAMP_SHIFT;
limit = idx + Shift.TIMESTAMP_VALU;
outputEvent.Timestamp = input.Substring(idx, limit - idx);
observer.OnNext(outputEvent);
}
public void OnNext(ByteString value)
{
buffer += value.DecodeString();
bool foundDelimiter;
do
{
foundDelimiter = false;
for (int i = 0; i < buffer.Length - 2; i += 4)
{
switch ((byte)buffer[i])
{
case CtiProtocol.CARRIAGE_RETURN:
{
if (buffer[i + CtiProtocol.SHIFT_FOR_DELIMITER] == CtiProtocol.CARRIAGE_RETURN && buffer.Length > i + 3)
{
foundDelimiter = true;
switch ((byte)buffer[CtiProtocol.SHIFT_FOR_EVENT_TYPE])
{
case CtiProtocol.T:
{
TryingEvent e = new TryingEvent();
e.SessionId = buffer.Substring(CtiProtocol.SESSION_ID_IDX_SHIFT, CtiProtocol.SESSION_ID_VALU_LEN);
int idx = CtiProtocol.SOURCE_CALLER_ID_IDX_SHIFT;
for (int k = idx; ; k += 2)
{
switch ((byte)buffer[k])
{
case CtiProtocol.CARRIAGE_RETURN:
{
e.SourceCallerId = buffer.Substring(idx, k - idx);
idx = k - 1;
goto LEAVE_FOR_1;
}
case CtiProtocol.LINE_FEED:
{
e.SourceCallerId = buffer.Substring(idx, k - idx - 1);
idx = k - 2;
goto LEAVE_FOR_1;
}
}
}
LEAVE_FOR_1:
idx += CtiProtocol.DESTINATION_CALLER_ID_SHIFT;
for (int k = idx; ; k += 2)
{
switch ((byte)buffer[k])
{
case CtiProtocol.CARRIAGE_RETURN:
{
e.DestinationCallerId = buffer.Substring(idx, k - idx);
idx = k - 1;
goto LEAVE_FOR_2;
}
case CtiProtocol.LINE_FEED:
{
e.DestinationCallerId = buffer.Substring(idx, k - idx - 1);
idx = k - 2;
goto LEAVE_FOR_2;
}
}
}
LEAVE_FOR_2:
idx += CtiProtocol.CALL_START_DATE_SHIFT;
int limit = idx + CtiProtocol.CALL_START_DATE_VALU_LEN;
e.CallStartDate = buffer.Substring(idx, limit - idx);
idx = limit + CtiProtocol.TIMESTAMP_SHIFT;
limit = idx + CtiProtocol.TIMESTAMP_VALU_LEN;
e.Timestamp = buffer.Substring(idx, limit - idx);
observer.OnNext(e);
string cleanUpBuffer = buffer.Remove(0, i + 4);
buffer = cleanUpBuffer;
goto FIND_NEXT_DELIMITER;
}
case CtiProtocol.R:
{
throw new NotImplementedException();
}
case CtiProtocol.D:
{
throw new NotImplementedException();
}
case CtiProtocol.H:
{
switch ((byte)buffer[CtiProtocol.SHIFT_FOR_EVENT_TYPE + 1])
{
case CtiProtocol.a:
{
throw new NotImplementedException();
}
case CtiProtocol.o:
{
throw new NotImplementedException();
}
}
throw new Exception("todo: create message...");
}
case CtiProtocol.L:
{
throw new NotImplementedException();
}
case CtiProtocol.P:
{
throw new NotImplementedException();
}
case CtiProtocol.U:
{
throw new NotImplementedException();
}
case CtiProtocol.S:
{
throw new NotImplementedException();
}
default:
{
throw new Exception("todo: create message...");
}
}
}
else if (buffer[i - CtiProtocol.SHIFT_FOR_DELIMITER] == CtiProtocol.CARRIAGE_RETURN && buffer.Length > i + 3)
{
foundDelimiter = true;
switch ((byte)buffer[CtiProtocol.SHIFT_FOR_EVENT_TYPE])
{
case CtiProtocol.T:
{
TryingEvent e = new TryingEvent();
e.SessionId = buffer.Substring(CtiProtocol.SESSION_ID_IDX_SHIFT, CtiProtocol.SESSION_ID_VALU_LEN);
int idx = CtiProtocol.SOURCE_CALLER_ID_IDX_SHIFT;
for (int k = idx; ; k += 2)
{
switch ((byte)buffer[k])
{
case CtiProtocol.CARRIAGE_RETURN:
{
e.SourceCallerId = buffer.Substring(idx, k - idx);
idx = k - 1;
goto LEAVE_FOR_1;
}
case CtiProtocol.LINE_FEED:
{
e.SourceCallerId = buffer.Substring(idx, k - idx - 1);
idx = k - 2;
goto LEAVE_FOR_1;
}
}
}
LEAVE_FOR_1:
idx += CtiProtocol.DESTINATION_CALLER_ID_SHIFT;
for (int k = idx; ; k += 2)
{
switch ((byte)buffer[k])
{
case CtiProtocol.CARRIAGE_RETURN:
{
e.DestinationCallerId = buffer.Substring(idx, k - idx);
idx = k - 1;
goto LEAVE_FOR_2;
}
case CtiProtocol.LINE_FEED:
{
e.DestinationCallerId = buffer.Substring(idx, k - idx - 1);
idx = k - 2;
goto LEAVE_FOR_2;
}
}
}
LEAVE_FOR_2:
idx += CtiProtocol.CALL_START_DATE_SHIFT;
int limit = idx + CtiProtocol.CALL_START_DATE_VALU_LEN;
e.CallStartDate = buffer.Substring(idx, limit - idx);
idx = limit + CtiProtocol.TIMESTAMP_SHIFT;
limit = idx + CtiProtocol.TIMESTAMP_VALU_LEN;
e.Timestamp = buffer.Substring(idx, limit - idx);
observer.OnNext(e);
string cleanUpBuffer = buffer.Remove(0, i + 2);
buffer = cleanUpBuffer;
goto FIND_NEXT_DELIMITER;
}
case CtiProtocol.R:
{
throw new NotImplementedException();
}
case CtiProtocol.D:
{
throw new NotImplementedException();
}
case CtiProtocol.H:
{
switch ((byte)buffer[CtiProtocol.SHIFT_FOR_EVENT_TYPE + 1])
{
case CtiProtocol.a:
{
throw new NotImplementedException();
}
case CtiProtocol.o:
{
throw new NotImplementedException();
}
}
throw new Exception("todo: create message...");
}
case CtiProtocol.L:
{
throw new NotImplementedException();
}
case CtiProtocol.P:
{
throw new NotImplementedException();
}
case CtiProtocol.U:
{
throw new NotImplementedException();
}
case CtiProtocol.S:
{
throw new NotImplementedException();
}
default:
{
throw new Exception("todo: create message...");
}
}
}
break;
}
case CtiProtocol.LINE_FEED:
{
if (buffer[i + CtiProtocol.SHIFT_FOR_DELIMITER] == CtiProtocol.LINE_FEED)
{
foundDelimiter = true;
switch ((byte)buffer[CtiProtocol.SHIFT_FOR_EVENT_TYPE])
{
case CtiProtocol.T:
{
TryingEvent e = new TryingEvent();
e.SessionId = buffer.Substring(CtiProtocol.SESSION_ID_IDX_SHIFT, CtiProtocol.SESSION_ID_VALU_LEN);
int idx = CtiProtocol.SOURCE_CALLER_ID_IDX_SHIFT;
for (int k = idx; ; k += 2)
{
switch ((byte)buffer[k])
{
case CtiProtocol.CARRIAGE_RETURN:
{
e.SourceCallerId = buffer.Substring(idx, k - idx);
idx = k - 1;
goto LEAVE_FOR_1;
}
case CtiProtocol.LINE_FEED:
{
e.SourceCallerId = buffer.Substring(idx, k - idx - 1);
idx = k - 2;
goto LEAVE_FOR_1;
}
}
}
LEAVE_FOR_1:
idx += CtiProtocol.DESTINATION_CALLER_ID_SHIFT;
for (int k = idx; ; k += 2)
{
switch ((byte)buffer[k])
{
case CtiProtocol.CARRIAGE_RETURN:
{
e.DestinationCallerId = buffer.Substring(idx, k - idx);
idx = k - 1;
goto LEAVE_FOR_2;
}
case CtiProtocol.LINE_FEED:
{
e.DestinationCallerId = buffer.Substring(idx, k - idx - 1);
idx = k - 2;
goto LEAVE_FOR_2;
}
}
}
LEAVE_FOR_2:
idx += CtiProtocol.CALL_START_DATE_SHIFT;
int limit = idx + CtiProtocol.CALL_START_DATE_VALU_LEN;
e.CallStartDate = buffer.Substring(idx, limit - idx);
idx = limit + CtiProtocol.TIMESTAMP_SHIFT;
limit = idx + CtiProtocol.TIMESTAMP_VALU_LEN;
e.Timestamp = buffer.Substring(idx, limit - idx);
observer.OnNext(e);
string cleanUpBuffer = buffer.Remove(0, i + 3);
buffer = cleanUpBuffer;
goto FIND_NEXT_DELIMITER;
}
case CtiProtocol.R:
{
throw new NotImplementedException();
}
case CtiProtocol.D:
{
throw new NotImplementedException();
}
case CtiProtocol.H:
{
switch ((byte)buffer[CtiProtocol.SHIFT_FOR_EVENT_TYPE + 1])
{
case CtiProtocol.a:
{
throw new NotImplementedException();
}
case CtiProtocol.o:
{
throw new NotImplementedException();
}
}
throw new Exception("todo: create message...");
}
case CtiProtocol.L:
{
throw new NotImplementedException();
}
case CtiProtocol.P:
{
throw new NotImplementedException();
}
case CtiProtocol.U:
{
throw new NotImplementedException();
}
case CtiProtocol.S:
{
throw new NotImplementedException();
}
default:
{
throw new Exception("todo: create message...");
}
}
}
else if (buffer[i - CtiProtocol.SHIFT_FOR_DELIMITER] == CtiProtocol.LINE_FEED)
{
foundDelimiter = true;
switch ((byte)buffer[CtiProtocol.SHIFT_FOR_EVENT_TYPE])
{
case CtiProtocol.T:
{
TryingEvent e = new TryingEvent();
e.SessionId = buffer.Substring(CtiProtocol.SESSION_ID_IDX_SHIFT, CtiProtocol.SESSION_ID_VALU_LEN);
int idx = CtiProtocol.SOURCE_CALLER_ID_IDX_SHIFT;
for (int k = idx; ; k += 2)
{
switch ((byte)buffer[k])
{
case CtiProtocol.CARRIAGE_RETURN:
{
e.SourceCallerId = buffer.Substring(idx, k - idx);
idx = k - 1;
goto LEAVE_FOR_1;
}
case CtiProtocol.LINE_FEED:
{
e.SourceCallerId = buffer.Substring(idx, k - idx - 1);
idx = k - 2;
goto LEAVE_FOR_1;
}
}
}
LEAVE_FOR_1:
idx += CtiProtocol.DESTINATION_CALLER_ID_SHIFT;
for (int k = idx; ; k += 2)
{
switch ((byte)buffer[k])
{
case CtiProtocol.CARRIAGE_RETURN:
{
e.DestinationCallerId = buffer.Substring(idx, k - idx);
idx = k - 1;
goto LEAVE_FOR_2;
}
case CtiProtocol.LINE_FEED:
{
e.DestinationCallerId = buffer.Substring(idx, k - idx - 1);
idx = k - 2;
goto LEAVE_FOR_2;
}
}
}
LEAVE_FOR_2:
idx += CtiProtocol.CALL_START_DATE_SHIFT;
int limit = idx + CtiProtocol.CALL_START_DATE_VALU_LEN;
e.CallStartDate = buffer.Substring(idx, limit - idx);
idx = limit + CtiProtocol.TIMESTAMP_SHIFT;
limit = idx + CtiProtocol.TIMESTAMP_VALU_LEN;
e.Timestamp = buffer.Substring(idx, limit - idx);
observer.OnNext(e);
string cleanUpBuffer = buffer.Remove(0, i + 1);
buffer = cleanUpBuffer;
goto FIND_NEXT_DELIMITER;
}
case CtiProtocol.R:
{
throw new NotImplementedException();
}
case CtiProtocol.D:
{
throw new NotImplementedException();
}
case CtiProtocol.H:
{
switch ((byte)buffer[CtiProtocol.SHIFT_FOR_EVENT_TYPE + 1])
{
case CtiProtocol.a:
{
throw new NotImplementedException();
}
case CtiProtocol.o:
{
throw new NotImplementedException();
}
}
throw new Exception("todo: create message...");
}
case CtiProtocol.L:
{
throw new NotImplementedException();
}
case CtiProtocol.P:
{
throw new NotImplementedException();
}
case CtiProtocol.U:
{
throw new NotImplementedException();
}
case CtiProtocol.S:
{
throw new NotImplementedException();
}
default:
{
throw new Exception("todo: create message...");
}
}
}
break;
}
}
}
FIND_NEXT_DELIMITER :;
} while (foundDelimiter);
}
