public function testWriteTable()
{
$this->_writer->write_table(array('x-foo' => array('S', 'bar'), 'x-bar' => array('A', array('baz', 'qux')), 'x-baz' => array('I', 42), 'x-true' => array('t', true), 'x-false' => array('t', false)));
$out = $this->_writer->getvalue();
$expected = "Gx-fooSbarx-barASbazSquxx-bazI*x-truetx-falset";
$this->assertEquals($expected, $out);
}
/**
* Returns a new AMQPWriter or mutates the provided $pkt
*
* @param string $channel
* @param int $class_id
* @param int $weight
* @param int $body_size
* @param string $packed_properties
* @param string $body
* @param AMQPWriter $pkt
* @return AMQPWriter
*/
public function prepare_content($channel, $class_id, $weight, $body_size, $packed_properties, $body, $pkt = null)
{
if (empty($pkt)) {
$pkt = new AMQPWriter();
}
// Content already prepared ?
$key_cache = sprintf('%s|%s|%s|%s', $channel, $packed_properties, $class_id, $weight);
if (!isset($this->prepare_content_cache[$key_cache])) {
$w = new AMQPWriter();
$w->write_octet(2);
$w->write_short($channel);
$w->write_long(mb_strlen($packed_properties, 'ASCII') + 12);
$w->write_short($class_id);
$w->write_short($weight);
$this->prepare_content_cache[$key_cache] = $w->getvalue();
if (count($this->prepare_content_cache) > $this->prepare_content_cache_max_size) {
reset($this->prepare_content_cache);
$old_key = key($this->prepare_content_cache);
unset($this->prepare_content_cache[$old_key]);
}
}
$pkt->write($this->prepare_content_cache[$key_cache]);
$pkt->write_longlong($body_size);
$pkt->write($packed_properties);
$pkt->write_octet(0xce);
// memory efficiency: walk the string instead of biting
// it. good for very large packets (close in size to
// memory_limit setting)
$position = 0;
$bodyLength = mb_strlen($body, 'ASCII');
while ($position < $bodyLength) {
$payload = mb_substr($body, $position, $this->frame_max - 8, 'ASCII');
$position += $this->frame_max - 8;
$pkt->write_octet(3);
$pkt->write_short($channel);
$pkt->write_long(mb_strlen($payload, 'ASCII'));
$pkt->write($payload);
$pkt->write_octet(0xce);
}
return $pkt;
}
/**
* returns a new AMQPWriter or mutates the provided $pkt
*
* @param string $channel
* @param int $class_id
* @param int $weight
* @param int $body_size
* @param string $packed_properties
* @param string $body
* @param AMQPWriter $pkt
* @return AMQPWriter
*/
public function prepare_content($channel, $class_id, $weight, $body_size, $packed_properties, $body, $pkt = null)
{
if (empty($pkt)) {
$pkt = new AMQPWriter();
}
// Content already prepared ?
$key_cache = "{$channel}|{$packed_properties}|{$class_id}|{$weight}";
if (!isset($this->prepare_content_cache[$key_cache])) {
$w = new AMQPWriter();
$w->write_octet(2);
$w->write_short($channel);
$w->write_long(mb_strlen($packed_properties, 'ASCII') + 12);
$w->write_short($class_id);
$w->write_short($weight);
$this->prepare_content_cache[$key_cache] = $w->getvalue();
if (count($this->prepare_content_cache) > $this->prepare_content_cache_max_size) {
reset($this->prepare_content_cache);
$old_key = key($this->prepare_content_cache);
unset($this->prepare_content_cache[$old_key]);
}
}
$pkt->write($this->prepare_content_cache[$key_cache]);
$pkt->write_longlong($body_size);
$pkt->write($packed_properties);
$pkt->write_octet(0xce);
while ($body) {
$bodyStart = $this->frame_max - 8;
$payload = mb_substr($body, 0, $bodyStart, 'ASCII');
$body = mb_substr($body, $bodyStart, mb_strlen($body, 'ASCII') - $bodyStart, 'ASCII');
$pkt->write_octet(3);
$pkt->write_short($channel);
$pkt->write_long(mb_strlen($payload, 'ASCII'));
$pkt->write($payload);
$pkt->write_octet(0xce);
}
return $pkt;
}
/**
* serialize the 'properties' attribute (a dictionary) into the
* raw bytes making up a set of property flags and a property
* list, suitable for putting into a content frame header.
*/
public function serialize_properties()
{
$shift = 15;
$flag_bits = 0;
$flags = array();
$raw_bytes = new AMQPWriter();
foreach ($this->prop_types as $key => $proptype) {
if (isset($this->properties[$key])) {
$val = $this->properties[$key];
} else {
$val = null;
}
if ($val != null) {
if ($shift == 0) {
$flags[] = $flag_bits;
$flag_bits = 0;
$shift = 15;
}
$flag_bits |= 1 << $shift;
if ($proptype != "bit") {
$raw_bytes->{'write_' . $proptype}($val);
}
}
$shift -= 1;
}
$flags[] = $flag_bits;
$result = new AMQPWriter();
foreach ($flags as $flag_bits) {
$result->write_short($flag_bits);
}
$result->write($raw_bytes->getvalue());
return $result->getvalue();
}
/**
* Sends a heartbeat message
*/
protected function write_heartbeat()
{
$pkt = new AMQPWriter();
$pkt->write_octet(8);
$pkt->write_short(0);
$pkt->write_long(0);
$pkt->write_octet(0xce);
$this->write($pkt->getvalue());
}
/**
* Serializes the 'properties' attribute (a dictionary) into the
* raw bytes making up a set of property flags and a property
* list, suitable for putting into a content frame header.
*
* @return string
* @todo Inject the AMQPWriter to make the method easier to test
*/
public function serialize_properties()
{
if (!empty($this->serialized_properties)) {
return $this->serialized_properties;
}
$shift = 15;
$flag_bits = 0;
$flags = array();
$raw_bytes = new AMQPWriter();
foreach ($this->prop_types as $key => $prototype) {
$val = isset($this->properties[$key]) ? $this->properties[$key] : null;
// Very important: PHP type eval is weak, use the === to test the
// value content. Zero or false value should not be removed
if ($val === null) {
$shift -= 1;
continue;
}
if ($shift === 0) {
$flags[] = $flag_bits;
$flag_bits = 0;
$shift = 15;
}
$flag_bits |= 1 << $shift;
if ($prototype != 'bit') {
$raw_bytes->{'write_' . $prototype}($val);
}
$shift -= 1;
}
$flags[] = $flag_bits;
$result = new AMQPWriter();
foreach ($flags as $flag_bits) {
$result->write_short($flag_bits);
}
$result->write($raw_bytes->getvalue());
$this->serialized_properties = $result->getvalue();
return $this->serialized_properties;
}
protected function writeAndRead($v, $write_method, $read_method)
{
$w = new AMQPWriter();
$w->{$write_method}($v);
$r = new AMQPReader($w->getvalue());
$this->assertEquals($v, $r->{$read_method}());
}
public function testTableWriteReadCollection()
{
$w = new AMQPWriter();
$w->write_table(new AMQPTable(array('long' => 12345, 'long_neg' => -12345, 'longlong' => 3000000000, 'longlong_neg' => -3000000000, 'float_low' => 9.2233720368548, 'float_high' => (double) 9.2233720368548E+18, 'bool_true' => true, 'bool_false' => false, 'array' => array(1, 2, 3, 'foo', array('bar' => 'baz'), array('boo', false, 5), true), 'array_empty' => array(), 'table' => array('foo' => 'bar', 'baz' => 'boo', 'bool' => true, 'tbl' => array('bar' => 'baz'), 'arr' => array('boo', false, 5)), 'table_num' => array(1 => 5, 3 => 'foo', 786 => 674), 'array_nested' => array(1, array(2, array(3, array(4)))), 'table_nested' => array('i' => 1, 'n' => array('i' => 2, 'n' => array('i' => 3, 'n' => array('i' => 4)))))));
$r = new AMQPReader($w->getvalue());
//type casting - thanks to ancient phpunit on travis
$this->assertEquals(array('long' => 12345, 'long_neg' => -12345, 'longlong' => (string) 3000000000, 'longlong_neg' => (string) -3000000000, 'float_low' => (string) (double) 9.2233720368548, 'float_high' => (string) (double) 9.2233720368548E+18, 'bool_true' => true, 'bool_false' => false, 'array' => array(1, 2, 3, 'foo', array('bar' => 'baz'), array('boo', false, 5), true), 'array_empty' => array(), 'table' => array('foo' => 'bar', 'baz' => 'boo', 'bool' => true, 'tbl' => array('bar' => 'baz'), 'arr' => array('boo', false, 5)), 'table_num' => array(1 => 5, 3 => 'foo', 786 => 674), 'array_nested' => array(1, array(2, array(3, array(4)))), 'table_nested' => array('i' => 1, 'n' => array('i' => 2, 'n' => array('i' => 3, 'n' => array('i' => 4))))), $r->read_table(true)->getNativeData());
}
/**
* serialize the 'properties' attribute (a dictionary) into the
* raw bytes making up a set of property flags and a property
* list, suitable for putting into a content frame header.
*/
public function serialize_properties()
{
if (!empty($this->serialized_properties)) {
return $this->serialized_properties;
}
$shift = 15;
$flag_bits = 0;
$flags = array();
$raw_bytes = new AMQPWriter();
foreach ($this->prop_types as $key => $prototype) {
$val = isset($this->properties[$key]) ? $this->properties[$key] : null;
if ($val === null) {
$shift -= 1;
continue;
}
if ($shift === 0) {
$flags[] = $flag_bits;
$flag_bits = 0;
$shift = 15;
}
$flag_bits |= 1 << $shift;
if ($prototype != 'bit') {
$raw_bytes->{'write_' . $prototype}($val);
}
$shift -= 1;
}
$flags[] = $flag_bits;
$result = new AMQPWriter();
foreach ($flags as $flag_bits) {
$result->write_short($flag_bits);
}
$result->write($raw_bytes->getvalue());
$this->serialized_properties = $result->getvalue();
return $this->serialized_properties;
}
