Brocade Virtual ADX OpenScript API Guide (Supporting ADX v03.1.00) - Manual (Page 29)

Brocade Virtual ADX OpenScript API Guide 17
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Chapter
3
TCP API reference
In this chapter
This chapter contains the following sections:
• Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
• Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Overview
The OS_TCP module includes the APIs to retrieve the fields in the current TCP header.
The use <package> statement needs to be in the declaration block of the script for methods of that
package to be used.
For example: to use the OS_TCP methods, The OS_TCP package must be declared as follows:
use OS_TCP;
Methods
OS_TCP::src
Description
Returns the source port number of the current packet.
Context
Called in context of TCP and HTTP.
Usage
Can be used to perform load-balancing based on source port number.
Input Parameters
None.