function read($fp, &$limit = PHP_INT_MAX)
{
while (!feof($fp) && $limit > 0) {
$tag = Protobuf::read_varint($fp, $limit);
if ($tag === false) {
break;
}
$wire = $tag & 0x7;
$field = $tag >> 3;
//var_dump("Log_Content: Found $field type " . Protobuf::get_wiretype($wire) . " $limit bytes left");
switch ($field) {
case 1:
ASSERT('$wire == 2');
$len = Protobuf::read_varint($fp, $limit);
if ($len === false) {
throw new Exception('Protobuf::read_varint returned false');
}
if ($len > 0) {
$tmp = fread($fp, $len);
} else {
$tmp = '';
}
if ($tmp === false) {
throw new Exception("fread({$len}) returned false");
}
$this->key_ = $tmp;
$limit -= $len;
break;
case 2:
ASSERT('$wire == 2');
$len = Protobuf::read_varint($fp, $limit);
if ($len === false) {
throw new Exception('Protobuf::read_varint returned false');
}
if ($len > 0) {
$tmp = fread($fp, $len);
} else {
$tmp = '';
}
if ($tmp === false) {
throw new Exception("fread({$len}) returned false");
}
$this->value_ = $tmp;
$limit -= $len;
break;
default:
$this->_unknown[$field . '-' . Protobuf::get_wiretype($wire)][] = Protobuf::read_field($fp, $wire, $limit);
}
}
if (!$this->validateRequired()) {
throw new Exception('Required fields are missing');
}
}
/**
* Read a unknown field from the stream and return its raw bytes
*/
public static function read_field($fp, $wire_type, &$limit = null)
{
switch ($wire_type) {
case 0:
// varint
return Protobuf::read_varint($fp, $limit);
case 1:
// 64bit
$limit -= 8;
return fread($fp, 8);
case 2:
// length delimited
$len = Protobuf::read_varint($fp, $limit);
$limit -= $len;
return fread($fp, $len);
//case 3: // Start group TODO we must keep looping until we find the closing end grou
//case 4: // End group - We should never skip a end group!
// return 0; // Do nothing
//case 3: // Start group TODO we must keep looping until we find the closing end grou
//case 4: // End group - We should never skip a end group!
// return 0; // Do nothing
case 5:
// 32bit
$limit -= 4;
return fread($fp, 4);
default:
throw new Exception('read_unknown(' . ProtoBuf::get_wiretype($wire_type) . '): Unsupported wire_type');
}
}
