# Example of a Riverbed TrafficScript (*.rts) file.

http.setHeader( "Host", "secure.mysite.com" );
$body = http.getBody( ); # get the POST data
$single = 'Hello \
world';
$double = "Hello \
world";
$pi = 3.14157;
$message = "The URL path is " . http.GetPath();
$four = 2 + 2;
# Sets $ratio to "75%" (for example)
$ratio = ( $a / ($a + $b) * 100 ) . "%";
$contentLength = http.getHeader( "Content-Length" );
if( $contentLength > 1024 * 1024 ) {
  log.warn( "Large request body: ".$contentLength );
}
4 + 7.5 * $a
-$b / $c - 1
7 % 3    # Returns 1
"foo" && !0 # true
( 1 < 2 ) && ( 3 < 4 ) # true
$a || $b # true if $a or $b is true
0x1234 & 255         # 0x34
1|2|4 #7
1^3 #2
~1 & 0xffff          # 65534
1 << 2               # 4
2 >> 1               # 1
$foo *= 5 # Product equals ($foo = $foo * 5)
$foo /= 2 # Quotient equals ($foo = $foo / 5)
$foo %= 2 # Modulo equals ($foo = $foo % 5)
$foo <<= 2 # Bit-shift left equals ($foo = $foo << 2)
$foo >>= 2 # Bit-shift right equals ($foo = $foo >> 2)
$foo &= 2 # Bitwise AND equals ($foo = $foo & 2)
$foo |= 2 # Bitwise OR equals ($foo = $foo | 2)
$foo ^= 2 # Bitwise XOR equals ($foo = $foo ^ 2)
$int = 10;
$double = 2.71828;
string.len( $double ); # casts to string, returns 7
# Convert $string to a number, and add 4:
$r = $string + 4;  # $r is 14
if( string.startsWith( $path, "/secure" ) ) {
    pool.use( "secure pool" );
} else {
    pool.use( "non-secure pool" );
}

for( $count = 0; $count < 10; $count++ ) {
    log.info( "In loop, count = " . $count );
}

i$count = 0;
while( $count < 10 ) {
    log.info( "In loop, count = " . $count );
    $count = $count + 1;
}

$count = 0;
do {
   log.info( "In loop, count = " . $count );
   $count = $count + 1;
} while( $count < 10 );

$mime = http.getResponseHeader( "Content-Type" );
if( !string.startsWith( $mime, "text/html" )) break;
$array = [ "Alex", "Matt", "Oliver", "Laurence" ];
$someone = $array[0];
$arraylen = array.length($array);
log.info("My array has " . $arraylen . " elements.\n");

for ( $i = 0; $i < $arraylen; $i++ ){
    log.info ( "Element #" . $i . " " . $array[$i]);
}

$hash = [ "orange" => "fruit",
          "apple" => "fruit",
          "cabbage" => "vegetable",
          "pear" => "fruit" ];

foreach ( $key in hash.keys($hash)){
   log.info("Key: " . $key . "; Value: " . $hash[$key] .
";"); }

# Declare a subroutine to calculate factorials
sub factorial( $n ) {
    if( $n == 0 ) return 1;
       return $n*factorial( $n-1 );
}
# Put entries into the array
$c = 0;
while( $c <= 10 ) {
   $msg = "Did you know that ". $c ."! is ". factorial( $c )
."?" ;
   data.set( "myarray".$c, $msg );
$c++; }
# Look up several entries.  Note: the 1000th entry is empty
$msg = "";
$msg .= "Index 1000: ".data.get( "myarray1000" )."\n";
# delete the entire array (but no other data stored by data.set)
data.reset( "myarray" );
http.sendResponse( "200 OK", "text/plain", $msg, "" );
sub headbug(){
   # Prints each header to the event log.
   $headers = http.listHeaderNames();
   foreach ($header in $headers){
      log.info( $header . ": " . http.getheader($header));
} }

import foo;
foo.headbug();
# Sets the regex string as ^192\.168\. ; the two examples
# below have the same effect
$regex = "^(192)\\.168\\.";
$regex = '^192\.168\.';
if ( string.regexMatch( $ip, $regex ) ) {
    # IP is on 192.168.* network
}