2021-07-05 01:12:38 +01:00
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< pre style = "font-family:monospace;font-size:12pt" >
< a name = "l1" > < / a > < span class = cF2 > /***************************************************< / span > < span class = cF0 >
< a name = "l2" > < / a >
< a name = "l3" > < / a > < / span > < span class = cF2 > UDP Socket Functions< / span > < span class = cF0 >
< a name = "l4" > < / a >
< a name = "l5" > < / a > < / span > < span class = cF2 > ***************************************************/< / span > < span class = cF0 >
< a name = "l6" > < / a >
< a name = "l7" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > UDPGlobalsInit()
< a name = "l8" > < / a > {
< a name = "l9" > < / a > udp_globals.bound_socket_tree = < / span > < span class = cF3 > NULL< / span > < span class = cF0 > ;
< a name = "l10" > < / a > }
< a name = "l11" > < / a >
< a name = "l12" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > UDPPacketAllocate(< / span > < span class = cF1 > U8< / span > < span class = cF0 > **frame_out,
< a name = "l13" > < / a > < / span > < span class = cF9 > U32< / span > < span class = cF0 > source_ip,
< a name = "l14" > < / a > < / span > < span class = cF9 > U16< / span > < span class = cF0 > source_port,
< a name = "l15" > < / a > < / span > < span class = cF9 > U32< / span > < span class = cF0 > destination_ip,
< a name = "l16" > < / a > < / span > < span class = cF9 > U16< / span > < span class = cF0 > destination_port,
< a name = "l17" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > length)
< a name = "l18" > < / a > {
< a name = "l19" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *udp_frame;
< a name = "l20" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > de_index;
< a name = "l21" > < / a > CUDPHeader *header;
< a name = "l22" > < / a >
< a name = "l23" > < / a > de_index = IPV4PacketAllocate(& udp_frame,
< a name = "l24" > < / a > IP_PROTOCOL_UDP,
< a name = "l25" > < / a > source_ip,
< a name = "l26" > < / a > destination_ip,
< a name = "l27" > < / a > < / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > CUDPHeader< / span > < span class = cF7 > )< / span > < span class = cF0 > + length);
< a name = "l28" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (de_index < < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l29" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l30" > < / a > NetLog(< / span > < span class = cF6 > " UDP PACKET ALLOCATE: Ethernet Frame Allocate failed." < / span > < span class = cF0 > );
< a name = "l31" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > de_index;
< a name = "l32" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l33" > < / a >
< a name = "l34" > < / a > header = udp_frame;
< a name = "l35" > < / a >
< a name = "l36" > < / a > header-> source_port = < / span > < span class = cF5 > EndianU16< / span > < span class = cF0 > (source_port);
< a name = "l37" > < / a > header-> destination_port = < / span > < span class = cF5 > EndianU16< / span > < span class = cF0 > (destination_port);
< a name = "l38" > < / a > header-> length = < / span > < span class = cF5 > EndianU16< / span > < span class = cF0 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > CUDPHeader< / span > < span class = cF7 > )< / span > < span class = cF0 > + length);
< a name = "l39" > < / a > header-> checksum = < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l40" > < / a >
< a name = "l41" > < / a > *frame_out = udp_frame + < / span > < span class = cF1 > sizeof< / span > < span class = cF0 > (CUDPHeader);
< a name = "l42" > < / a >
< a name = "l43" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > de_index;
< a name = "l44" > < / a > }
< a name = "l45" > < / a >
< a name = "l46" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > UDPPacketFinish(< / span > < span class = cF9 > I64< / span > < span class = cF0 > de_index)
< a name = "l47" > < / a > { < / span > < span class = cF2 > // alias for IPV4PacketFinish, alias for EthernetFrameFinish, alias for driver send packet< / span > < span class = cF0 >
< a name = "l48" > < / a > IPV4PacketFinish(de_index);
< a name = "l49" > < / a > }
< a name = "l50" > < / a >
< a name = "l51" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > UDPPacketParse(< / span > < span class = cF9 > U16< / span > < span class = cF0 > *source_port_out,
< a name = "l52" > < / a > < / span > < span class = cF9 > U16< / span > < span class = cF0 > *destination_port_out,
< a name = "l53" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > **data_out,
< a name = "l54" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > *length_out,
< a name = "l55" > < / a > CIPV4Packet *packet)
< a name = "l56" > < / a > {
< a name = "l57" > < / a >
< a name = "l58" > < / a > < / span > < span class = cF2 > // check ip protocol? probably redundant< / span > < span class = cF0 >
< a name = "l59" > < / a >
< a name = "l60" > < / a > CUDPHeader *header = packet-> data;
< a name = "l61" > < / a >
< a name = "l62" > < / a > < / span > < span class = cF2 > // TODO: Validate packet length !< / span > < span class = cF0 >
< a name = "l63" > < / a >
< a name = "l64" > < / a > < / span > < span class = cF2 > //< / span > < span class = cF0 > < / span > < span class = cF2 > NetDebug(" UDP PACKET PARSE: Caught packet, src port: 0x%0X (B.E.)" , header-> source_port);< / span > < span class = cF0 >
< a name = "l65" > < / a > < / span > < span class = cF2 > //< / span > < span class = cF0 > < / span > < span class = cF2 > NetDebug(" UDP PACKET PARSE: Caught packet, dest port: 0x%0X (B.E.)" , header-> destination_port);< / span > < span class = cF0 >
< a name = "l66" > < / a >
< a name = "l67" > < / a >
< a name = "l68" > < / a > *source_port_out = < / span > < span class = cF5 > EndianU16< / span > < span class = cF0 > (header-> source_port);
< a name = "l69" > < / a > *destination_port_out = < / span > < span class = cF5 > EndianU16< / span > < span class = cF0 > (header-> destination_port);
< a name = "l70" > < / a >
< a name = "l71" > < / a > < / span > < span class = cF2 > //< / span > < span class = cF0 > < / span > < span class = cF2 > NetDebug(" UDP PACKET PARSE: Source Port output: 0x%0X (L.E.)" , *source_port_out);< / span > < span class = cF0 >
< a name = "l72" > < / a > < / span > < span class = cF2 > //< / span > < span class = cF0 > < / span > < span class = cF2 > NetDebug(" UDP PACKET PARSE: Destination Port Output: 0x%0X (L.E.)" , *destination_port_out);< / span > < span class = cF0 >
< a name = "l73" > < / a >
< a name = "l74" > < / a > *data_out = packet-> data + < / span > < span class = cF1 > sizeof< / span > < span class = cF0 > (CUDPHeader);
< a name = "l75" > < / a > *length_out = packet-> length - < / span > < span class = cF1 > sizeof< / span > < span class = cF0 > (CUDPHeader);
< a name = "l76" > < / a >
< a name = "l77" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l78" > < / a >
< a name = "l79" > < / a > }
< a name = "l80" > < / a >
< a name = "l81" > < / a > CUDPSocket *UDPSocket(< / span > < span class = cF9 > U16< / span > < span class = cF0 > domain=AF_UNSPEC)
< a name = "l82" > < / a > {
< a name = "l83" > < / a > < / span > < span class = cF9 > U16< / span > < span class = cF0 > type = SOCKET_DATAGRAM;
< a name = "l84" > < / a > CUDPSocket *udp_socket = < / span > < span class = cF5 > CAlloc< / span > < span class = cF0 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > CUDPSocket< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l85" > < / a >
< a name = "l86" > < / a > udp_socket-> socket = Socket(domain, type);
< a name = "l87" > < / a >
< a name = "l88" > < / a > udp_socket-> receive_address.family = domain; < / span > < span class = cF2 > // INET, INET6, or unspecified< / span > < span class = cF0 >
< a name = "l89" > < / a >
< a name = "l90" > < / a > udp_socket-> receive_queue = < / span > < span class = cF5 > CAlloc< / span > < span class = cF0 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > CUDPMessageQueue< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l91" > < / a > < / span > < span class = cF5 > QueueInit< / span > < span class = cF0 > (udp_socket-> receive_queue); < / span > < span class = cF2 > // acts as head. add messages to but don't remove head.< / span > < span class = cF0 >
< a name = "l92" > < / a >
< a name = "l93" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > udp_socket;
< a name = "l94" > < / a >
< a name = "l95" > < / a > }
< a name = "l96" > < / a >
< a name = "l97" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > UDPSocketBind(CUDPSocket *udp_socket, CSocketAddressStorage *address_source)
< a name = "l98" > < / a > {
< a name = "l99" > < / a > CUDPTreeNode *head = udp_globals.bound_socket_tree;
< a name = "l100" > < / a > CUDPTreeNode *temp_node;
< a name = "l101" > < / a > CSocketAddressIPV4 *ipv4_source;
< a name = "l102" > < / a > CSocketAddressIPV4 *ipv4_receive;
< a name = "l103" > < / a > CSocketAddressIPV6 *ipv6_source;
< a name = "l104" > < / a > CSocketAddressIPV6 *ipv6_receive;
< a name = "l105" > < / a > < / span > < span class = cF9 > U16< / span > < span class = cF0 > port;
< a name = "l106" > < / a >
< a name = "l107" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!SocketBind< / span > < span class = cF7 > (< / span > < span class = cF0 > udp_socket-> socket< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l108" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l109" > < / a > NetErr(< / span > < span class = cF6 > " UDP SOCKET BIND: Failed, Socket state-machine must be in READY state." < / span > < span class = cF0 > );
< a name = "l110" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l111" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l112" > < / a >
< a name = "l113" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (udp_socket-> bound_to)
< a name = "l114" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l115" > < / a > NetErr(< / span > < span class = cF6 > " UDP SOCKET BIND: UDP Socket currently Bound." < / span > < span class = cF0 > );
< a name = "l116" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l117" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l118" > < / a >
< a name = "l119" > < / a > < / span > < span class = cF1 > switch< / span > < span class = cF0 > (address_source-> family)
< a name = "l120" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l121" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_INET:
< a name = "l122" > < / a >
< a name = "l123" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (udp_socket-> receive_address.family == AF_INET6)
< a name = "l124" > < / a > {
< a name = "l125" > < / a > NetErr(< / span > < span class = cF6 > " UDP SOCKET BIND: Incompatible Address type." < / span > < span class = cF0 > );
< a name = "l126" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l127" > < / a > }
< a name = "l128" > < / a >
< a name = "l129" > < / a > ipv4_source = address_source;
< a name = "l130" > < / a > ipv4_receive = & udp_socket-> receive_address;
< a name = "l131" > < / a >
< a name = "l132" > < / a > ipv4_receive-> address.address = ipv4_source-> address.address; < / span > < span class = cF2 > // bind socket to address in parameter.< / span > < span class = cF0 >
< a name = "l133" > < / a > ipv4_receive-> port = ipv4_source-> port; < / span > < span class = cF2 > // ... consistency would say keep in Big Endian ...< / span > < span class = cF0 >
< a name = "l134" > < / a >
< a name = "l135" > < / a > port = < / span > < span class = cF5 > EndianU16< / span > < span class = cF0 > (ipv4_source-> port); < / span > < span class = cF2 > // port member should be Big Endian, so now we're going L.E (?)< / span > < span class = cF0 >
< a name = "l136" > < / a >
< a name = "l137" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l138" > < / a >
< a name = "l139" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_INET6:
< a name = "l140" > < / a >
< a name = "l141" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (udp_socket-> receive_address.family == AF_INET)
< a name = "l142" > < / a > {
< a name = "l143" > < / a > NetErr(< / span > < span class = cF6 > " UDP SOCKET BIND: Incompatible Address type." < / span > < span class = cF0 > );
< a name = "l144" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l145" > < / a > }
< a name = "l146" > < / a >
< a name = "l147" > < / a > ipv6_source = address_source;
< a name = "l148" > < / a > ipv6_receive = & udp_socket-> receive_address;
< a name = "l149" > < / a > < / span > < span class = cF2 > // ...< / span > < span class = cF0 >
< a name = "l150" > < / a > < / span > < span class = cF2 > // ...< / span > < span class = cF0 >
< a name = "l151" > < / a >
< a name = "l152" > < / a > port = < / span > < span class = cF5 > EndianU16< / span > < span class = cF0 > (ipv6_source-> port); < / span > < span class = cF2 > // port member should be Big Endian, so now we're going L.E (?)< / span > < span class = cF0 >
< a name = "l153" > < / a >
< a name = "l154" > < / a > NetErr(< / span > < span class = cF6 > " UDP SOCKET BIND: FIXME, IPV6 UDP BIND" < / span > < span class = cF0 > );
< a name = "l155" > < / a >
< a name = "l156" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l157" > < / a >
< a name = "l158" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_UNSPEC:
< a name = "l159" > < / a > NetErr(< / span > < span class = cF6 > " UDP SOCKET BIND: Error, AF_UNSPEC UDP BIND -- param family" < / span > < span class = cF0 > );
< a name = "l160" > < / a >
< a name = "l161" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l162" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l163" > < / a >
< a name = "l164" > < / a > < / span > < span class = cF2 > // at this point, Socket and Address have matching family values< / span > < span class = cF0 >
< a name = "l165" > < / a >
< a name = "l166" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (head)
< a name = "l167" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l168" > < / a > < / span > < span class = cF2 > // look for our port.< / span > < span class = cF0 >
< a name = "l169" > < / a > temp_node = UDPTreeNodeFind(port, head);
< a name = "l170" > < / a >
< a name = "l171" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (temp_node)
< a name = "l172" > < / a > { < / span > < span class = cF2 > // if we find we have bound sockets at port, check address before adding to queue< / span > < span class = cF0 >
< a name = "l173" > < / a > < / span > < span class = cF1 > switch< / span > < span class = cF0 > (address_source-> family)
< a name = "l174" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l175" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_INET:
< a name = "l176" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (UDPTreeNodeQueueIPV4Find< / span > < span class = cF7 > (< / span > < span class = cF0 > ipv4_receive-> address.address, temp_node, < / span > < span class = cF3 > TRUE< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l177" > < / a > {
< a name = "l178" > < / a > NetErr(< / span > < span class = cF6 > " UDP SOCKET BIND: Address already in Bound Socket Tree !" < / span > < span class = cF0 > );
< a name = "l179" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l180" > < / a > }
< a name = "l181" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l182" > < / a > { < / span > < span class = cF2 > // if no address match, free to add socket to the node queue< / span > < span class = cF0 >
< a name = "l183" > < / a > UDPTreeNodeQueueAdd(udp_socket, temp_node);
< a name = "l184" > < / a > }
< a name = "l185" > < / a >
< a name = "l186" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l187" > < / a >
< a name = "l188" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_INET6:
< a name = "l189" > < / a > NetErr(< / span > < span class = cF6 > " UDP SOCKET BIND: FIXME, IPV6 UDP BIND" < / span > < span class = cF0 > );
< a name = "l190" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l191" > < / a >
< a name = "l192" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_UNSPEC:
< a name = "l193" > < / a > NetErr(< / span > < span class = cF6 > " UDP SOCKET BIND: Error, AF_UNSPEC UDP BIND -- found in bound tree" < / span > < span class = cF0 > );
< a name = "l194" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l195" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l196" > < / a > }
< a name = "l197" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l198" > < / a > { < / span > < span class = cF2 > // if we get no node back from port search, we didn't find it and are free to add a new node.< / span > < span class = cF0 >
< a name = "l199" > < / a > temp_node = UDPTreeNodeParamAdd(port, head); < / span > < span class = cF2 > // add new node with port, return its *.< / span > < span class = cF0 >
< a name = "l200" > < / a > UDPTreeNodeQueueAdd(udp_socket, temp_node);
< a name = "l201" > < / a > }
< a name = "l202" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l203" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 > < / span > < span class = cF2 > // if no bound sockets, we init the tree as a new node< / span > < span class = cF0 >
< a name = "l204" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l205" > < / a > udp_globals.bound_socket_tree = head = UDPTreeNodeParamInit(port); < / span > < span class = cF2 > //... shouuuld be in L.E .. ?< / span > < span class = cF0 >
< a name = "l206" > < / a > UDPTreeNodeQueueAdd(udp_socket, head); < / span > < span class = cF2 > // add the udp socket to the port queue< / span > < span class = cF0 >
< a name = "l207" > < / a > < / span > < span class = cF2 > // maybe more checks to do before this, dunno rn.< / span > < span class = cF0 >
< a name = "l208" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l209" > < / a >
< a name = "l210" > < / a > udp_socket-> bound_to = port;
< a name = "l211" > < / a >
< a name = "l212" > < / a > < / span > < span class = cF1 > switch< / span > < span class = cF0 > (udp_socket-> socket-> state)
< a name = "l213" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l214" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > SOCKET_STATE_BIND_REQ: < / span > < span class = cF2 > //< / span > < span class = cF0 > < / span > < span class = cF2 > if BIND request success, set BOUND.< / span > < span class = cF0 >
< a name = "l215" > < / a > udp_socket-> socket-> state = SOCKET_STATE_BOUND;
< a name = "l216" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l217" > < / a >
< a name = "l218" > < / a > < / span > < span class = cF1 > default< / span > < span class = cF0 > :
< a name = "l219" > < / a > NetErr(< / span > < span class = cF6 > " UDP SOCKET BIND: Failed, Misconfigured Socket state-machine." < / span > < span class = cF0 > );
< a name = "l220" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l221" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l222" > < / a >
< a name = "l223" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l224" > < / a > }
< a name = "l225" > < / a >
< a name = "l226" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > UDPSocketClose(CUDPSocket *udp_socket)
< a name = "l227" > < / a > { < / span > < span class = cF2 > // close, pop, and free the socket from the bound tree.< / span > < span class = cF0 >
< a name = "l228" > < / a > CUDPTreeNode *head = udp_globals.bound_socket_tree;
< a name = "l229" > < / a > CUDPTreeNode *node;
< a name = "l230" > < / a > CUDPTreeQueue *queue;
< a name = "l231" > < / a > CUDPMessageQueue *message;
< a name = "l232" > < / a >
< a name = "l233" > < / a > SocketClose(udp_socket-> socket); < / span > < span class = cF2 > // TODO: testing on closing a socket while another task is using it< / span > < span class = cF0 >
< a name = "l234" > < / a > < / span > < span class = cF2 > // after low-level socket close, even if protocol level socket fails close, it is now disabled (state is close request)< / span > < span class = cF0 >
< a name = "l235" > < / a >
< a name = "l236" > < / a > node = UDPTreeNodeFind(udp_socket-> bound_to, head);
< a name = "l237" > < / a >
< a name = "l238" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (node)
< a name = "l239" > < / a > queue = UDPTreeNodeQueueSocketFind(udp_socket, node);
< a name = "l240" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l241" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l242" > < / a > < / span > < span class = cF5 > Debug< / span > < span class = cF0 > (< / span > < span class = cF6 > " TODO: Didn't find node at socket during UDPSocketClose!\n" < / span > < span class = cF0 > );
< a name = "l243" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l244" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l245" > < / a >
< a name = "l246" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (queue)
< a name = "l247" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l248" > < / a > UDPTreeNodeQueueSocketSinglePop(udp_socket, node);
< a name = "l249" > < / a >
< a name = "l250" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (node-> queue == node-> queue-> next)
< a name = "l251" > < / a > { < / span > < span class = cF2 > // if we popped the only queue on the node, remove the node.< / span > < span class = cF0 >
< a name = "l252" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (node == head)
< a name = "l253" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 > < / span > < span class = cF2 > // head is the global. if node is the global, change it and add branches.< / span > < span class = cF0 >
< a name = "l254" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (node-> left)
< a name = "l255" > < / a > {
< a name = "l256" > < / a > udp_globals.bound_socket_tree = head = node-> left;
< a name = "l257" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (node-> right)
< a name = "l258" > < / a > UDPTreeNodeAdd(node-> right, head);
< a name = "l259" > < / a > }
< a name = "l260" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 > < / span > < span class = cF1 > if< / span > < span class = cF0 > (node-> right)
< a name = "l261" > < / a > udp_globals.bound_socket_tree = node-> right;
< a name = "l262" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l263" > < / a > udp_globals.bound_socket_tree = < / span > < span class = cF3 > NULL< / span > < span class = cF0 > ;
< a name = "l264" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l265" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 > < / span > < span class = cF2 > // if node is not the global, just pop it from the tree< / span > < span class = cF0 >
< a name = "l266" > < / a > UDPTreeNodeSinglePop(node-> value, head);
< a name = "l267" > < / a >
< a name = "l268" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (node);
< a name = "l269" > < / a > }
< a name = "l270" > < / a >
< a name = "l271" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (udp_socket-> socket);
< a name = "l272" > < / a >
< a name = "l273" > < / a > message = udp_socket-> receive_queue-> next;
< a name = "l274" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (message != udp_socket-> receive_queue)
< a name = "l275" > < / a > {
< a name = "l276" > < / a > NetWarn(< / span > < span class = cF6 > " UDP SOCKET CLOSE: Freeing message @ 0x%X" < / span > < span class = cF0 > , message);
< a name = "l277" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (message-> data);
< a name = "l278" > < / a > < / span > < span class = cF5 > QueueRemove< / span > < span class = cF0 > (message);
< a name = "l279" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (message);
< a name = "l280" > < / a > message = udp_socket-> receive_queue-> next;
< a name = "l281" > < / a > }
< a name = "l282" > < / a >
< a name = "l283" > < / a > NetWarn(< / span > < span class = cF6 > " UDP SOCKET CLOSE: Freeing message queue & socket." < / span > < span class = cF0 > );
< a name = "l284" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (udp_socket-> receive_queue);
< a name = "l285" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (udp_socket);
< a name = "l286" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (queue);
< a name = "l287" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l288" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l289" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l290" > < / a > < / span > < span class = cF5 > Debug< / span > < span class = cF0 > (< / span > < span class = cF6 > " TODO: Didn't find queue at socket during UDPSocketClose!\n" < / span > < span class = cF0 > );
< a name = "l291" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l292" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l293" > < / a >
< a name = "l294" > < / a >
< a name = "l295" > < / a >
< a name = "l296" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l297" > < / a > }
< a name = "l298" > < / a >
< a name = "l299" > < / a > < / span > < span class = cF2 > // UDPSocketConnect (TODO)< / span > < span class = cF0 >
< a name = "l300" > < / a >
< a name = "l301" > < / a > < / span > < span class = cF2 > // UDPListen (Shrine just has no_warns, not implemented)< / span > < span class = cF0 >
< a name = "l302" > < / a >
< a name = "l303" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > UDPSocketReceiveFrom(CUDPSocket *udp_socket, < / span > < span class = cF1 > U8< / span > < span class = cF0 > *buffer, < / span > < span class = cF9 > I64< / span > < span class = cF0 > len, CSocketAddressStorage *address_out)
< a name = "l304" > < / a > { < / span > < span class = cF2 > // ommitted I64 addrlen, flags not implemented< / span > < span class = cF0 >
< a name = "l305" > < / a > CSocketAddressIPV4 *ipv4_socket_addr;
< a name = "l306" > < / a > CSocketAddressIPV6 *ipv6_socket_addr;
< a name = "l307" > < / a > CUDPMessageQueue *message;
< a name = "l308" > < / a >
< a name = "l309" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!SocketReceiveFrom< / span > < span class = cF7 > (< / span > < span class = cF0 > udp_socket-> socket< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l310" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l311" > < / a > NetErr(< / span > < span class = cF6 > " UDP SOCKET RECEIVE FROM: Socket state-machine must be in OPEN or BOUND state." < / span > < span class = cF0 > );
< a name = "l312" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l313" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l314" > < / a >
< a name = "l315" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (len < < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l316" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l317" > < / a > NetErr(< / span > < span class = cF6 > " UDP SOCKET RECEIVE FROM: Invalid length requested." < / span > < span class = cF0 > );
< a name = "l318" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l319" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l320" > < / a >
< a name = "l321" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (udp_socket-> receive_timeout_ms != < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l322" > < / a > udp_socket-> receive_max_timeout = < / span > < span class = cFB > counts< / span > < span class = cF0 > .jiffies + udp_socket-> receive_timeout_ms * < / span > < span class = cF3 > JIFFY_FREQ< / span > < span class = cF0 > / < / span > < span class = cFE > 1000< / span > < span class = cF0 > ;
< a name = "l323" > < / a >
< a name = "l324" > < / a > message = udp_socket-> receive_queue;
< a name = "l325" > < / a >
< a name = "l326" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (message == message-> next)
< a name = "l327" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 > < / span > < span class = cF2 > // wait for a message to be added to queue. head is non-message.< / span > < span class = cF0 >
< a name = "l328" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (udp_socket-> receive_timeout_ms == < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l329" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ; < / span > < span class = cF2 > // if no timeout set and didn't see message, bail early< / span > < span class = cF0 >
< a name = "l330" > < / a >
< a name = "l331" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (< / span > < span class = cFB > counts< / span > < span class = cF0 > .jiffies > udp_socket-> receive_max_timeout)
< a name = "l332" > < / a > {
< a name = "l333" > < / a > NetErr(< / span > < span class = cF6 > " UDP SOCKET RECEIVE FROM: Timed out." < / span > < span class = cF0 > );
< a name = "l334" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l335" > < / a > }
< a name = "l336" > < / a >
< a name = "l337" > < / a > < / span > < span class = cF5 > Yield< / span > < span class = cF0 > ;
< a name = "l338" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l339" > < / a >
< a name = "l340" > < / a > NetLog(< / span > < span class = cF6 > " UDP SOCKET RECEIVE FROM: Saw message in receive queue." < / span > < span class = cF0 > );
< a name = "l341" > < / a >
< a name = "l342" > < / a > message = message-> next;
< a name = "l343" > < / a >
< a name = "l344" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (address_out)
< a name = "l345" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l346" > < / a > < / span > < span class = cF1 > switch< / span > < span class = cF0 > (message-> from_address.family)
< a name = "l347" > < / a > {
< a name = "l348" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_INET:
< a name = "l349" > < / a > ipv4_socket_addr = address_out;
< a name = "l350" > < / a > < / span > < span class = cF5 > MemCopy< / span > < span class = cF0 > (ipv4_socket_addr, & message-> from_address, < / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > CSocketAddressIPV4< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l351" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l352" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_INET6:
< a name = "l353" > < / a > ipv6_socket_addr = address_out;
< a name = "l354" > < / a > < / span > < span class = cF5 > MemCopy< / span > < span class = cF0 > (ipv6_socket_addr, & message-> from_address, < / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > CSocketAddressIPV6< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l355" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l356" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_UNSPEC:
< a name = "l357" > < / a > NetWarn(< / span > < span class = cF6 > " UDP Receive From AF_UNSPEC UDPSocket Address Family\n" < / span > < span class = cF0 > );
< a name = "l358" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l359" > < / a > }
< a name = "l360" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l361" > < / a >
< a name = "l362" > < / a >
< a name = "l363" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (len > = message-> data_length - message-> received_length)
< a name = "l364" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l365" > < / a > NetLog(< / span > < span class = cF6 > " UDP SOCKET RECEIVE FROM: Requested length longer than data. Truncating." < / span > < span class = cF0 > );
< a name = "l366" > < / a > len = message-> data_length - message-> received_length;
< a name = "l367" > < / a > < / span > < span class = cF5 > MemCopy< / span > < span class = cF0 > (buffer, message-> data + message-> received_length, len);
< a name = "l368" > < / a >
< a name = "l369" > < / a > NetWarn(< / span > < span class = cF6 > " UDP SOCKET RECEIVE FROM: Freeing message and removing from queue." < / span > < span class = cF0 > );
< a name = "l370" > < / a > < / span > < span class = cF2 > // all data pulled, release message< / span > < span class = cF0 >
< a name = "l371" > < / a > < / span > < span class = cF5 > QueueRemove< / span > < span class = cF0 > (message);
< a name = "l372" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (message-> data);
< a name = "l373" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (message);
< a name = "l374" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l375" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l376" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l377" > < / a > NetLog(< / span > < span class = cF6 > " UDP SOCKET RECEIVE FROM: Requsted length shorter than data at message." < / span > < span class = cF0 > );
< a name = "l378" > < / a > < / span > < span class = cF5 > MemCopy< / span > < span class = cF0 > (buffer, message-> data + message-> received_length, len);
< a name = "l379" > < / a > message-> received_length += len;
< a name = "l380" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l381" > < / a >
< a name = "l382" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > len;
< a name = "l383" > < / a > }
< a name = "l384" > < / a >
< a name = "l385" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > UDPSocketSendTo(CUDPSocket *udp_socket, < / span > < span class = cF1 > U8< / span > < span class = cF0 > *buffer, < / span > < span class = cF9 > I64< / span > < span class = cF0 > len, CSocketAddressStorage *destination_addr)
< a name = "l386" > < / a > {
< a name = "l387" > < / a > CSocketAddressStorage *dest;
< a name = "l388" > < / a > CSocketAddressIPV4 *ipv4_destination;
< a name = "l389" > < / a > CSocketAddressIPV6 *ipv6_destination;
< a name = "l390" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *payload_frame;
< a name = "l391" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > de_index;
< a name = "l392" > < / a >
< a name = "l393" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!SocketSendTo< / span > < span class = cF7 > (< / span > < span class = cF0 > udp_socket-> socket< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l394" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l395" > < / a > NetErr(< / span > < span class = cF6 > " UDP SOCKET SEND TO: Socket state-machine must be in OPEN, BOUND or READY state." < / span > < span class = cF0 > );
< a name = "l396" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l397" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l398" > < / a >
< a name = "l399" > < / a >
< a name = "l400" > < / a > < / span > < span class = cF1 > switch< / span > < span class = cF0 > (udp_socket-> socket-> state)
< a name = "l401" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l402" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > SOCKET_STATE_OPEN: < / span > < span class = cF2 > //< / span > < span class = cF0 > < / span > < span class = cF2 > Socket State machine must< / span > < span class = cF0 >
< a name = "l403" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > SOCKET_STATE_BOUND: < / span > < span class = cF2 > // be in connected or bound state for send.< / span > < span class = cF0 >
< a name = "l404" > < / a > dest = & udp_socket-> receive_address; < / span > < span class = cF2 > // if already bound, ignore param destination< / span > < span class = cF0 >
< a name = "l405" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ; < / span > < span class = cF2 > // and use stored address as send address.< / span > < span class = cF0 >
< a name = "l406" > < / a >
< a name = "l407" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > SOCKET_STATE_READY: < / span > < span class = cF2 > // If socket state is initial, attempt to bind it to destination.< / span > < span class = cF0 >
< a name = "l408" > < / a > NetLog(< / span > < span class = cF6 > " UDP SOCKET SEND TO: Socket unbound. Attempting Bind at address parameter." < / span > < span class = cF0 > );
< a name = "l409" > < / a > UDPSocketBind(udp_socket, destination_addr);
< a name = "l410" > < / a > dest = destination_addr;
< a name = "l411" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l412" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l413" > < / a >
< a name = "l414" > < / a > < / span > < span class = cF1 > switch< / span > < span class = cF0 > (dest-> family)
< a name = "l415" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l416" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_INET:
< a name = "l417" > < / a > ipv4_destination = dest;
< a name = "l418" > < / a >
< a name = "l419" > < / a > de_index = UDPPacketAllocate(& payload_frame,
< a name = "l420" > < / a > IPV4AddressGet< / span > < span class = cF7 > ()< / span > < span class = cF0 > ,
< a name = "l421" > < / a > < / span > < span class = cFE > 0< / span > < span class = cF0 > ,
< a name = "l422" > < / a > < / span > < span class = cF5 > EndianU32< / span > < span class = cF7 > (< / span > < span class = cF0 > ipv4_destination-> address.address< / span > < span class = cF7 > )< / span > < span class = cF0 > ,
< a name = "l423" > < / a > < / span > < span class = cF5 > EndianU16< / span > < span class = cF7 > (< / span > < span class = cF0 > ipv4_destination-> port< / span > < span class = cF7 > )< / span > < span class = cF0 > ,
< a name = "l424" > < / a > len); < / span > < span class = cF2 > // is get address parens redundant?< / span > < span class = cF0 >
< a name = "l425" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l426" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_INET6:
< a name = "l427" > < / a > ipv6_destination = dest;
< a name = "l428" > < / a > NetErr(< / span > < span class = cF6 > " UDP SOCKET SEND TO: FIXME, IPV6 not implemented yet" < / span > < span class = cF0 > );
< a name = "l429" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l430" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_UNSPEC:
< a name = "l431" > < / a > NetErr(< / span > < span class = cF6 > " UDP SOCKET SEND TO: Error, UDP Send To AF_UNSPEC\n" < / span > < span class = cF0 > );
< a name = "l432" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l433" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l434" > < / a >
< a name = "l435" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (de_index < < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l436" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l437" > < / a >
< a name = "l438" > < / a > < / span > < span class = cF5 > MemCopy< / span > < span class = cF0 > (payload_frame, buffer, len); < / span > < span class = cF2 > // copies the data in buffer param into the udp payload frame< / span > < span class = cF0 >
< a name = "l439" > < / a >
< a name = "l440" > < / a > UDPPacketFinish(de_index);
< a name = "l441" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l442" > < / a > }
< a name = "l443" > < / a >
< a name = "l444" > < / a > < / span > < span class = cF2 > // UDPSocketSetOpt ?< / span > < span class = cF0 >
< a name = "l445" > < / a >
< a name = "l446" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > UDPHandler(CIPV4Packet *packet)
< a name = "l447" > < / a > { < / span > < span class = cF2 > // TODO: Need either two UDP handlers for IPv4/IPv6, or logic changes if IPV6 is desired.< / span > < span class = cF0 >
< a name = "l448" > < / a > < / span > < span class = cF9 > U16< / span > < span class = cF0 > source_port;
< a name = "l449" > < / a > < / span > < span class = cF9 > U16< / span > < span class = cF0 > destination_port;
< a name = "l450" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *data;
< a name = "l451" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > length;
< a name = "l452" > < / a > CUDPTreeNode *head = udp_globals.bound_socket_tree;
< a name = "l453" > < / a > CUDPTreeNode *node;
< a name = "l454" > < / a > CUDPTreeQueue *queue;
< a name = "l455" > < / a > CUDPMessageQueue *messages_head;
< a name = "l456" > < / a > CUDPMessageQueue *message;
< a name = "l457" > < / a > CUDPSocket *udp_socket;
< a name = "l458" > < / a > CSocketAddressIPV4 *ipv4_addr;
< a name = "l459" > < / a >
< a name = "l460" > < / a > NetLog(< / span > < span class = cF6 > " UDP HANDLER: Beginning handling UDP Packet." < / span > < span class = cF0 > );
< a name = "l461" > < / a >
< a name = "l462" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > error = UDPPacketParse(& source_port, & destination_port, & data, & length, packet);
< a name = "l463" > < / a >
< a name = "l464" > < / a > < / span > < span class = cF2 > //< / span > < span class = cF0 > < / span > < span class = cF2 > NetDebug(" UDP HANDLER: Packet parsed, port to search in bound tree: 0x%0X (L.E...?)" , destination_port);< / span > < span class = cF0 >
< a name = "l465" > < / a >
< a name = "l466" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (error < < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l467" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l468" > < / a > NetErr(< / span > < span class = cF6 > " UDP HANDLER: Packet Parse Error." < / span > < span class = cF0 > );
< a name = "l469" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > error;
< a name = "l470" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l471" > < / a >
< a name = "l472" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (head)
< a name = "l473" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l474" > < / a > node = UDPTreeNodeFind(destination_port, head);
< a name = "l475" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (node)
< a name = "l476" > < / a > {
< a name = "l477" > < / a > queue = UDPTreeNodeQueueIPV4Find(packet-> source_ip_address, node); < / span > < span class = cF2 > // TODO: make sure bit order is correct here!!< / span > < span class = cF0 >
< a name = "l478" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (queue)
< a name = "l479" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l480" > < / a > udp_socket = queue-> socket;
< a name = "l481" > < / a > NetLog(< / span > < span class = cF6 > " UDP HANDLER: Port and Address are in bound tree." < / span > < span class = cF0 > );
< a name = "l482" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l483" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l484" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l485" > < / a > NetWarn(< / span > < span class = cF6 > " UDP HANDLER: Found node for port, but address is not in node queue." < / span > < span class = cF0 > );
< a name = "l486" > < / a > NetWarn(< / span > < span class = cF6 > " UDP packet dest ip: 0x%0X." < / span > < span class = cF0 > , packet-> destination_ip_address);
< a name = "l487" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l488" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l489" > < / a > }
< a name = "l490" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l491" > < / a > {
< a name = "l492" > < / a > NetWarn(< / span > < span class = cF6 > " UDP HANDLER: Node for Port is not in tree." < / span > < span class = cF0 > );
< a name = "l493" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l494" > < / a > }
< a name = "l495" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l496" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l497" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l498" > < / a > NetWarn(< / span > < span class = cF6 > " UDP HANDLER: Socket tree is currently empty." < / span > < span class = cF0 > );
< a name = "l499" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l500" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l501" > < / a > < / span > < span class = cF2 > // at this point, udp_socket is set, otherwise has already returned -1.< / span > < span class = cF0 >
< a name = "l502" > < / a >
< a name = "l503" > < / a >
< a name = "l504" > < / a > NetLog(< / span > < span class = cF6 > " UDP HANDLER: Putting data payload into message queue." < / span > < span class = cF0 > );
< a name = "l505" > < / a >
< a name = "l506" > < / a > messages_head = udp_socket-> receive_queue;
< a name = "l507" > < / a >
< a name = "l508" > < / a > message = < / span > < span class = cF5 > CAlloc< / span > < span class = cF0 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > CUDPMessageQueue< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l509" > < / a > < / span > < span class = cF5 > QueueInsertRev< / span > < span class = cF0 > (message, messages_head);
< a name = "l510" > < / a >
< a name = "l511" > < / a > message-> data = < / span > < span class = cF5 > CAlloc< / span > < span class = cF0 > (length);
< a name = "l512" > < / a > < / span > < span class = cF5 > MemCopy< / span > < span class = cF0 > (message-> data, data, length);
< a name = "l513" > < / a > message-> data_length = length;
< a name = "l514" > < / a >
< a name = "l515" > < / a > ipv4_addr = & message-> from_address;
< a name = "l516" > < / a >
< a name = "l517" > < / a > ipv4_addr-> family = AF_INET;
< a name = "l518" > < / a > ipv4_addr-> port = < / span > < span class = cF5 > EndianU16< / span > < span class = cF0 > (source_port);
< a name = "l519" > < / a > ipv4_addr-> address.address = < / span > < span class = cF5 > EndianU32< / span > < span class = cF0 > (packet-> source_ip_address);
< a name = "l520" > < / a > NetLog(< / span > < span class = cF6 > " UDP HANDLER: Copying packet source IP (BE) to FROM_ADDRESS of UDP Socket: %08X " < / span > < span class = cF0 > , ipv4_addr-> address.address);
< a name = "l521" > < / a >
< a name = "l522" > < / a > NetLog(< / span > < span class = cF6 > " UDP HANDLER: Data payload succesfully placed in message queue." < / span > < span class = cF0 > );
< a name = "l523" > < / a >
< a name = "l524" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > error;
< a name = "l525" > < / a > }
< a name = "l526" > < / a >
< a name = "l527" > < / a > < / span > < span class = cF2 > // the socket functions just act on the socket state machine.< / span > < span class = cF0 >
< a name = "l528" > < / a > < / span > < span class = cF2 > // NetErr and return fail vals if socket FSM improperly used.< / span > < span class = cF0 >
< a name = "l529" > < / a > < / span > < span class = cF2 > // Careful with Free()'s.< / span > < span class = cF0 >
< a name = "l530" > < / a >
< a name = "l531" > < / a >
< a name = "l532" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > UDPTreeNodeRep(CUDPTreeNode *node)
< a name = "l533" > < / a > {
< a name = "l534" > < / a > CUDPTreeQueue *queue = node-> queue-> next;
< a name = "l535" > < / a > CUDPSocket *socket;
< a name = "l536" > < / a > CSocketAddressIPV4 *ipv4_addr;
< a name = "l537" > < / a > CSocketAddressIPV6 *ipv6_addr;
< a name = "l538" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *string;
< a name = "l539" > < / a > CUDPMessageQueue *message;
< a name = "l540" > < / a >
< a name = "l541" > < / a > < / span > < span class = cF6 > " Port $YELLOW$%d$FG$ (UDP Node @ $CYAN$0x%X$FG$):\n" < / span > < span class = cF0 > , node-> value, node;
< a name = "l542" > < / a >
< a name = "l543" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (queue != node-> queue)
< a name = "l544" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l545" > < / a >
< a name = "l546" > < / a > socket = queue-> socket;
< a name = "l547" > < / a >
< a name = "l548" > < / a > < / span > < span class = cF1 > switch< / span > < span class = cF0 > (socket-> receive_address.family)
< a name = "l549" > < / a > {
< a name = "l550" > < / a >
< a name = "l551" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_UNSPEC:
< a name = "l552" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l553" > < / a >
< a name = "l554" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_INET:
< a name = "l555" > < / a > ipv4_addr = & socket-> receive_address;
< a name = "l556" > < / a > string = < / span > < span class = cF5 > MStrPrint< / span > < span class = cF0 > (< / span > < span class = cF6 > " %d.%d.%d.%d" < / span > < span class = cF0 > ,
< a name = "l557" > < / a > ipv4_addr-> address.address.u8[< / span > < span class = cFE > 3< / span > < span class = cF0 > ],
< a name = "l558" > < / a > ipv4_addr-> address.address.u8[< / span > < span class = cFE > 2< / span > < span class = cF0 > ],
< a name = "l559" > < / a > ipv4_addr-> address.address.u8[< / span > < span class = cFE > 1< / span > < span class = cF0 > ],
< a name = "l560" > < / a > ipv4_addr-> address.address.u8[< / span > < span class = cFE > 0< / span > < span class = cF0 > ]); < / span > < span class = cF2 > // todo: kludge, endianness...< / span > < span class = cF0 >
< a name = "l561" > < / a >
< a name = "l562" > < / a > < / span > < span class = cF6 > " < / span > < span class = cF0 > < / span > < span class = cF6 > $BROWN$%s$FG$ (UDP Tree Queue @ $CYAN$0x%X$FG$):\n" < / span > < span class = cF0 > , string, queue;
< a name = "l563" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (string);
< a name = "l564" > < / a >
< a name = "l565" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l566" > < / a >
< a name = "l567" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_INET6:
< a name = "l568" > < / a > ipv6_addr = & socket-> receive_address;
< a name = "l569" > < / a >
< a name = "l570" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l571" > < / a >
< a name = "l572" > < / a > < / span > < span class = cF1 > default< / span > < span class = cF0 > :
< a name = "l573" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l574" > < / a >
< a name = "l575" > < / a > }
< a name = "l576" > < / a >
< a name = "l577" > < / a > < / span > < span class = cF6 > " < / span > < span class = cF0 > < / span > < span class = cF6 > Timeout: %dms\n" < / span > < span class = cF0 > , socket-> receive_timeout_ms;
< a name = "l578" > < / a >
< a name = "l579" > < / a > message = socket-> receive_queue-> next;
< a name = "l580" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (message != socket-> receive_queue)
< a name = "l581" > < / a > {
< a name = "l582" > < / a > < / span > < span class = cF6 > " < / span > < span class = cF0 > < / span > < span class = cF6 > Queued Message @ $CYAN$0x%X$FG$:\n" < / span > < span class = cF0 > , message;
< a name = "l583" > < / a > < / span > < span class = cF1 > switch< / span > < span class = cF0 > (message-> from_address.family)
< a name = "l584" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l585" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_UNSPEC:
< a name = "l586" > < / a > string = < / span > < span class = cF5 > StrNew< / span > < span class = cF0 > (< / span > < span class = cF6 > " AF_UNSPEC" < / span > < span class = cF0 > );
< a name = "l587" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l588" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_INET:
< a name = "l589" > < / a > ipv4_addr = & message-> from_address;
< a name = "l590" > < / a > string = NetworkToPresentation(ipv4_addr-> family, & ipv4_addr-> address);
< a name = "l591" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l592" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > AF_INET6:
< a name = "l593" > < / a > string = < / span > < span class = cF5 > StrNew< / span > < span class = cF0 > (< / span > < span class = cF6 > " IPV6" < / span > < span class = cF0 > );
< a name = "l594" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l595" > < / a > < / span > < span class = cF1 > default< / span > < span class = cF0 > :
< a name = "l596" > < / a > string = < / span > < span class = cF5 > StrNew< / span > < span class = cF0 > (< / span > < span class = cF6 > " INVALID" < / span > < span class = cF0 > );
< a name = "l597" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l598" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l599" > < / a > < / span > < span class = cF6 > " < / span > < span class = cF0 > < / span > < span class = cF6 > From Address:< / span > < span class = cF0 > < / span > < span class = cF6 > $BROWN$%s$FG$\n" < / span > < span class = cF0 > , string;
< a name = "l600" > < / a > < / span > < span class = cF6 > " < / span > < span class = cF0 > < / span > < span class = cF6 > Data length:< / span > < span class = cF0 > < / span > < span class = cF6 > %d\n" < / span > < span class = cF0 > , message-> data_length;
< a name = "l601" > < / a > < / span > < span class = cF6 > " < / span > < span class = cF0 > < / span > < span class = cF6 > Received data length:< / span > < span class = cF0 > < / span > < span class = cF6 > %d\n" < / span > < span class = cF0 > , message-> received_length;
< a name = "l602" > < / a >
< a name = "l603" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (string);
< a name = "l604" > < / a >
< a name = "l605" > < / a > message = message-> next;
< a name = "l606" > < / a > }
< a name = "l607" > < / a >
< a name = "l608" > < / a > queue = queue-> next;
< a name = "l609" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l610" > < / a >
< a name = "l611" > < / a > < / span > < span class = cF6 > " \n" < / span > < span class = cF0 > ;
< a name = "l612" > < / a > }
< a name = "l613" > < / a >
< a name = "l614" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > UDPRep()
< a name = "l615" > < / a > {
< a name = "l616" > < / a > CUDPTreeNode *node = udp_globals.bound_socket_tree;
< a name = "l617" > < / a > CUDPRepEntry *head;
< a name = "l618" > < / a > CUDPRepEntry *entry;
< a name = "l619" > < / a > CUDPRepEntry *temp_entry;
< a name = "l620" > < / a >
< a name = "l621" > < / a > < / span > < span class = cF6 > " $LTBLUE$UDP Report:$FG$\n\n" < / span > < span class = cF0 > ;
< a name = "l622" > < / a >
< a name = "l623" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (node)
< a name = "l624" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l625" > < / a > head = < / span > < span class = cF5 > CAlloc< / span > < span class = cF0 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > CUDPRepEntry< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l626" > < / a > < / span > < span class = cF5 > QueueInit< / span > < span class = cF0 > (head); < / span > < span class = cF2 > // no QueueRemove the head< / span > < span class = cF0 >
< a name = "l627" > < / a >
< a name = "l628" > < / a > entry = < / span > < span class = cF5 > CAlloc< / span > < span class = cF0 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > CUDPRepEntry< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l629" > < / a > entry-> node = node;
< a name = "l630" > < / a > < / span > < span class = cF5 > QueueInsert< / span > < span class = cF0 > (entry, head);
< a name = "l631" > < / a >
< a name = "l632" > < / a > < / span > < span class = cF2 > // perform depth-first-search while Entry Queue has nodes not fully visited.< / span > < span class = cF0 >
< a name = "l633" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (entry != head)
< a name = "l634" > < / a > {
< a name = "l635" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (entry-> node-> left)
< a name = "l636" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 > < / span > < span class = cF2 > // if node has one, add an Entry for the left branch, continue loop.< / span > < span class = cF0 >
< a name = "l637" > < / a > temp_entry = < / span > < span class = cF5 > CAlloc< / span > < span class = cF0 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > CUDPRepEntry< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l638" > < / a > temp_entry-> node = entry-> node-> left;
< a name = "l639" > < / a > < / span > < span class = cF5 > QueueInsertRev< / span > < span class = cF0 > (temp_entry, head);
< a name = "l640" > < / a >
< a name = "l641" > < / a > < / span > < span class = cF2 > // if left branch, but no right: toss early, now fully traveled.< / span > < span class = cF0 >
< a name = "l642" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!entry-> node-> right)
< a name = "l643" > < / a > {
< a name = "l644" > < / a > < / span > < span class = cF5 > QueueRemove< / span > < span class = cF0 > (entry);
< a name = "l645" > < / a > UDPTreeNodeRep(entry-> node);
< a name = "l646" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (entry);
< a name = "l647" > < / a > }
< a name = "l648" > < / a >
< a name = "l649" > < / a > entry = temp_entry;
< a name = "l650" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l651" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 > < / span > < span class = cF1 > if< / span > < span class = cF0 > (entry-> node-> right)
< a name = "l652" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 > < / span > < span class = cF2 > // if no left, but right: add right to queue, pop Entry, Rep, set entry to right.< / span > < span class = cF0 >
< a name = "l653" > < / a > temp_entry = < / span > < span class = cF5 > CAlloc< / span > < span class = cF0 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > CUDPRepEntry< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l654" > < / a > temp_entry-> node = entry-> node-> right;
< a name = "l655" > < / a > < / span > < span class = cF5 > QueueInsertRev< / span > < span class = cF0 > (temp_entry, head);
< a name = "l656" > < / a >
< a name = "l657" > < / a > < / span > < span class = cF5 > QueueRemove< / span > < span class = cF0 > (entry);
< a name = "l658" > < / a > UDPTreeNodeRep(entry-> node);
< a name = "l659" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (entry);
< a name = "l660" > < / a >
< a name = "l661" > < / a > entry = temp_entry;
< a name = "l662" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l663" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l664" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 > < / span > < span class = cF2 > // pop Entry, Rep, if last Entry in Queue has right add it, pop & Rep travelled Entry, entry = right.< / span > < span class = cF0 >
< a name = "l665" > < / a > < / span > < span class = cF5 > QueueRemove< / span > < span class = cF0 > (entry);
< a name = "l666" > < / a > UDPTreeNodeRep(entry-> node);
< a name = "l667" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (entry);
< a name = "l668" > < / a >
< a name = "l669" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (head-> last != head)
< a name = "l670" > < / a > {
< a name = "l671" > < / a > temp_entry = head-> last;
< a name = "l672" > < / a >
< a name = "l673" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (temp_entry-> node-> right)
< a name = "l674" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l675" > < / a > entry = temp_entry;
< a name = "l676" > < / a >
< a name = "l677" > < / a > temp_entry = < / span > < span class = cF5 > CAlloc< / span > < span class = cF0 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > CUDPRepEntry< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l678" > < / a > temp_entry-> node = entry-> node-> right;
< a name = "l679" > < / a > < / span > < span class = cF5 > QueueInsertRev< / span > < span class = cF0 > (temp_entry, head);
< a name = "l680" > < / a >
< a name = "l681" > < / a > < / span > < span class = cF5 > QueueRemove< / span > < span class = cF0 > (entry);
< a name = "l682" > < / a > UDPTreeNodeRep(entry-> node);
< a name = "l683" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (entry);
< a name = "l684" > < / a >
< a name = "l685" > < / a > entry = temp_entry;
< a name = "l686" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l687" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l688" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l689" > < / a > < / span > < span class = cF5 > QueueRemove< / span > < span class = cF0 > (temp_entry);
< a name = "l690" > < / a > UDPTreeNodeRep(temp_entry-> node);
< a name = "l691" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (temp_entry);
< a name = "l692" > < / a >
< a name = "l693" > < / a > entry = head-> last;
< a name = "l694" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l695" > < / a > }
< a name = "l696" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l697" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
< a name = "l698" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l699" > < / a > }
< a name = "l700" > < / a >
< a name = "l701" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (head);
< a name = "l702" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l703" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l704" > < / a > < / span > < span class = cF6 > " No UDP Sockets currently bound.\n\n" < / span > < span class = cF0 > ;
< a name = "l705" > < / a > }
< a name = "l706" > < / a >
< a name = "l707" > < / a > UDPGlobalsInit;< / span > < / pre > < / body >
< / html >
