DELAY and NODELAY commands
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This command specifies that DELAY statements will be inserted in the message generation decks between each message. The delays are calculated from the time stamps on the log data set and assume the user time interval (UTI) as specified for that device. The delays are rounded to the next higher multiple of the UTI. If the UTI is 0, no DELAY statements will be inserted for that terminal.
If you specify THKTIME=UNLOCK in the network definition for the terminal, the delay calculated is from the time of the last receive record to the time of the transmit record. If you specify THKTIME=IMMED in the network definition for the terminal, the delay calculated is from the time of the first record of the previous transmit message to the time of the first record of the current message.
The initial delay (before the first message) can be calculated only if a start time is specified on the TIME control command or if a BIND or SDT command has been received and recorded before the first message. If ISTART is not specified, the time used to calculate the initial delay will be the latest of the start time specified on the TIME control command and the time recorded for any such command. The initial delay is from the start time thus determined to the time of the first record of the initial transmit message.
The method of calculation of the initial delay can be changed from the default previously described by specifying the ISTART operand of the DELAY control statement.
- ISTART
- Function: The ISTART operand specifies that the start time used
to determine an initial delay is only to be taken from the TIME
control statement. Any BIND and SDT request units are
ignored for purposes of initial delay calculation.
Default: The default is to calculate initial delays as described above for the case of no ISTART operand, taking into account the BIND or SDT RUs, as well as the start time specified on the TIME control statement.
If no specific start time for an initial delay can be determined, no DELAY statement will be generated before the initial TEXT. When ISTART is specified, this will always occur if the TIME control statement specifies START or ALL. If ISTART is not specified, this will happen if both the TIME control statement specifies START or ALL and BIND and SDT RUs are not found in the traced data.
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This command specifies that no DELAY statements are to be inserted into the message generation decks. If neither DELAY nor NODELAY is specified, NODELAY is assumed.