Brocade Virtual ADX OpenScript API Guide (Supporting ADX v Manual de usuario Pagina 22

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10 Brocade Virtual ADX OpenScript API Guide
53-1003243-01
Methods
2
Example
OS_IP::options
Description
Returns options in the current packet if present otherwise it will return undefined.
Context
Called in context of TCP, UDP and HTTP.
Usage
Used in performing load-balancing based on the options.
Input Parameters
None.
Return Values
The following table contains the return values.
TABLE 6 Return Values
Name Type Description
hexadecimal string Options present in current
packet.
use OS_IP;
use OS_SLB;
use OS_HTTP_REQUEST;
sub HTTP_REQUEST{
#retrieve type of service flag
my $tos = OS_IP::tos;
if ($tos == 0){
OS_SLB::forward(3);
} elsif ($tos == 1) {
OS_SLB::forward(4);
}
}
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