/*
* Is it an IGMP packet?
*
* @return [Boolean] whether the packet is an IGMP packet or not.
*/
static VALUE
packet_in_is_igmp( VALUE self ) {
if ( ( get_packet_in_info( self )->format & NW_IGMP ) ) {
return Qtrue;
}
else {
return Qfalse;
}
}
/*
* Is it a TCP packet?
*
* @return [Boolean] whether the packet is a TCP packet or not.
*/
static VALUE
packet_in_is_tcp( VALUE self ) {
if ( ( get_packet_in_info( self )->format & TP_TCP ) ) {
return Qtrue;
}
else {
return Qfalse;
}
}
/*
* The IGMP group address.
*
* @return [Trema::IP, nil]
* the value of IGMP IP group address as a Trema::IP object
* or nil if packet is not IGMP.
*/
static VALUE
packet_in_igmp_group( VALUE self ) {
if ( ( get_packet_in_info( self )->format & NW_IGMP ) ) {
PACKET_IN_RETURN_IP( igmp_group );
}
else {
return Qnil;
}
}
/*
* Is it an ICMPv4 packet?
*
* @return [Boolean] whether the packet is an ICMPv4 packet or not.
*/
static VALUE
packet_in_is_icmpv4( VALUE self ) {
if ( ( get_packet_in_info( self )->format & NW_ICMPV4 ) ) {
return Qtrue;
}
else {
return Qfalse;
}
}
/*
* The ICMPv4 redirect message gateway IP address.
*
* @return [Trema::IP, nil]
* the value of ICMPv4 redirect message IP gateway address as a Trema::IP
* object or nil if packet is not ICMPv4.
*/
static VALUE
packet_in_icmpv4_gateway( VALUE self ) {
if ( ( get_packet_in_info( self )->format & NW_ICMPV4 ) ) {
PACKET_IN_RETURN_IP( icmpv4_gateway );
}
else {
return Qnil;
}
}
/*
* The ARP target protocol address of a packet.
*
* @return [Trema::IP]
* the value of ARP target protocol address as a Trema::IP object or nil if
* packet is not an ARP.
*/
static VALUE
packet_in_arp_tpa( VALUE self ) {
if ( ( get_packet_in_info( self )->format & NW_ARP ) ) {
PACKET_IN_RETURN_IP( arp_tpa );
}
else {
return Qnil;
}
}
/*
* The RARP target hardware address of a packet.
*
* @return [Mac]
* the value of RARP target hardware address as a Mac object or nil if
* packet is not an RARP.
*/
static VALUE
packet_in_rarp_tha( VALUE self ) {
if ( ( get_packet_in_info( self )->format & NW_RARP ) ) {
PACKET_IN_RETURN_MAC( arp_tha );
}
else {
return Qnil;
}
}
/*
* Is it an IEEE 802.1q packet?
*
* @return [Boolean] whether the packet is an IEEE 802.1q or not.
*/
static VALUE
packet_in_is_vtag( VALUE self ) {
if ( ( get_packet_in_info( self )->format & ETH_8021Q ) ) {
return Qtrue;
}
else {
return Qfalse;
}
}
/*
* The IPV4 destination IP address of a packet.
*
* @return [Trema::IP, nil]
* the value of IPv4 destination IP address as a Trema::IP object or nil if
* packet is not an IPv4.
*/
static VALUE
packet_in_ipv4_daddr( VALUE self ) {
if ( ( get_packet_in_info( self )->format & NW_IPV4 ) ) {
PACKET_IN_RETURN_IP( ipv4_daddr );
}
else {
return Qnil;
}
}
/*
* The ethernet type.
*
* @return [Integer] the value of ethernet type.
*/
static VALUE
packet_in_eth_type( VALUE self ) {
return UINT2NUM( get_packet_in_info( self )->eth_type );
}
/*
* A String that holds the UDP payload.
* Length of data, total_len - 20 bytes.
*
* @return [String] the value of data.
*/
static VALUE
packet_in_udp_payload( VALUE self ) {
packet_info *cpacket = get_packet_in_info( self );
return rb_str_new( cpacket->l4_payload, ( long ) cpacket->l4_payload_length );
}
/*
* The UDP checksum.
*
* @return [Integer] udp_checksum a UDP checksum.
*/
static VALUE
packet_in_udp_checksum( VALUE self ) {
return UINT2NUM( get_packet_in_info( self )->udp_checksum );
}
/*
* The UDP length.
*
* @return [Integer] udp_len a UDP length.
*/
static VALUE
packet_in_udp_len( VALUE self ) {
return UINT2NUM( get_packet_in_info( self )->udp_len );
}
/*
* The UDP destination port.
*
* @return [Integer] udp_dst_port UDP port.
*/
static VALUE
packet_in_udp_dst_port( VALUE self ) {
return UINT2NUM( get_packet_in_info( self )->udp_dst_port );
}
/*
* The ICMPv4 message code.
*
* @return [Integer] icmpv4_code The ICMPv4 message code.
*/
static VALUE
packet_in_icmpv4_code( VALUE self ) {
return UINT2NUM( ( unsigned int ) get_packet_in_info( self )->icmpv4_code );
}
/*
* The TCP flags.
*
* @return [Integer] tcp_flags TCP flags.
*/
static VALUE
packet_in_tcp_flags( VALUE self ) {
return UINT2NUM( ( unsigned int ) get_packet_in_info( self )->tcp_flags );
}
/*
* The TCP offset.
*
* @return [Integer] tcp_offset a TCP offset.
*/
static VALUE
packet_in_tcp_offset( VALUE self ) {
return UINT2NUM( ( unsigned int ) get_packet_in_info( self )->tcp_offset );
}
/*
* The TCP acknowledge number.
*
* @return [Integer] tcp_ack_no a TCP acknowkedge number.
*/
static VALUE
packet_in_tcp_ack_no( VALUE self ) {
return ULONG2NUM( get_packet_in_info( self )->tcp_ack_no );
}
/*
* The TCP source port.
*
* @return [Integer] tcp_src_port TCP port.
*/
static VALUE
packet_in_tcp_src_port( VALUE self ) {
return UINT2NUM( get_packet_in_info( self )->tcp_src_port );
}
/*
* The IGMP message type.
*
* @return [Integer] igmp_type IGMP type.
*/
static VALUE
packet_in_igmp_type( VALUE self ) {
return UINT2NUM( ( unsigned int ) get_packet_in_info( self )->igmp_type );
}
/*
* The sequence number of ICMPv4 echo.
*
* @return [Integer] icmpv4_id The sequence number of ICMPv4 echo.
*/
static VALUE
packet_in_icmpv4_seq( VALUE self ) {
return UINT2NUM( get_packet_in_info( self )->icmpv4_seq );
}
/*
* The IPv4 fragment offset.
*
* @return [Integer] ipv4_frag_off The IPv4 fragment offset.
*/
static VALUE
packet_in_ipv4_frag_off( VALUE self ) {
return UINT2NUM( get_packet_in_info( self )->ipv4_frag_off );
}
/*
* The IPv4 total length.
*
* @return [Integer] ipv4_tot_len The IPv4 total length.
*/
static VALUE
packet_in_ipv4_tot_len( VALUE self ) {
return UINT2NUM( get_packet_in_info( self )->ipv4_tot_len );
}
/*
* The IPv4 protocol number.
*
* @return [Integer] ipv4_protocol The IPv4 protocol number.
*/
static VALUE
packet_in_ipv4_protocol( VALUE self ) {
return UINT2NUM( ( unsigned int ) get_packet_in_info( self )->ipv4_protocol );
}
/*
* The ARP operation code.
*
* @return [integer] arp_oper Operation code.
*/
static VALUE
packet_in_arp_oper( VALUE self ) {
return UINT2NUM( ( unsigned int ) get_packet_in_info( self )->arp_ar_op );
}
/*
* The IPv4 identifier.
*
* @return [Integer] ipv4_id The IPv4 identifier.
*/
static VALUE
packet_in_ipv4_id( VALUE self ) {
return UINT2NUM( get_packet_in_info( self )->ipv4_id );
}
/*
* The TCP window.
*
* @return [Integer] tcp_window a TCP window.
*/
static VALUE
packet_in_tcp_window( VALUE self ) {
return UINT2NUM( get_packet_in_info( self )->tcp_window );
}
/*
* The IPv4 tos value.
*
* @return [Integer] ipv4_tos The IPv4 tos value.
*/
static VALUE
packet_in_ipv4_tos( VALUE self ) {
return UINT2NUM( ( unsigned int ) get_packet_in_info( self )->ipv4_tos );
}
/*
* The TCP urgent.
*
* @return [Integer] tcp_urgent a TCP urgent.
*/
static VALUE
packet_in_tcp_urgent( VALUE self ) {
return UINT2NUM( get_packet_in_info( self )->tcp_urgent );
}
/*
* The vlan vid.
*
* @return [integer] vlan_vid The vlan vid
*/
static VALUE
packet_in_vlan_vid( VALUE self ) {
return UINT2NUM( get_packet_in_info( self )->vlan_vid );
}
