Ipv4OptionTimestamp

class

Option structure: Timestamp

Usage diagram

The following diagram shows usage relationships between types. Unresolved types are missing from the diagram.

Inheritance diagram

The following diagram shows inheritance relationships for this type. Unresolved types are missing from the diagram.

Extends

Name	Type	Description
Ipv4Option	class	(no description)

Fields

Name	Type	Description
type	short
flag	TimestampFlag	length = 4 + 4 * getRecordAddressArraySize() + 4 * getRecordTimestampArraySize();
overflow	short
nextIdx	short	pointer = 5 + (flag == IP_TIMESTAMP_TIMESTAMP_ONLY ? 4 : 8) * nextIdx
recordAddress	Ipv4Address[]	use either up to 4 addresses with timestamps or only up to 9 timestamps, according to the flag
recordTimestamp	simtime_t[]
length	short	total length of option

Source code

//
// Option structure: Timestamp
//
class Ipv4OptionTimestamp extends Ipv4Option
{
    type = IPOPTION_TIMESTAMP;
    // length = 4 + 4 * getRecordAddressArraySize() + 4 * getRecordTimestampArraySize();
    TimestampFlag flag;
    short overflow;
    short nextIdx;
    // pointer = 5 + (flag == IP_TIMESTAMP_TIMESTAMP_ONLY ? 4 : 8) * nextIdx

    // use either up to 4 addresses with timestamps or
    // only up to 9 timestamps, according to the flag
    Ipv4Address recordAddress[];
    simtime_t recordTimestamp[];
}

File: src/inet/networklayer/ipv4/Ipv4Header.msg