pcsx2/plugins/dev9ghzdrk/pcap_io.h

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/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2014 David Quintana [gigaherz]
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "net.h"
#ifdef __cplusplus
extern "C" {
#endif
#pragma pack(push,1)
typedef struct _ip_address
{
u_char bytes[4];
} ip_address;
typedef struct _mac_address
{
u_char bytes[6];
} mac_address;
typedef struct _ethernet_header
{
mac_address dst;
mac_address src;
u_short protocol;
} ethernet_header;
typedef struct _arp_packet
{
u_short hw_type;
u_short protocol;
u_char h_addr_len;
u_char p_addr_len;
u_short operation;
mac_address h_src;
ip_address p_src;
mac_address h_dst;
ip_address p_dst;
} arp_packet;
typedef struct _ip_header {
u_char ver_hlen; /* version << 4 | header length >> 2 */
u_char type; /* type of service */
u_short len; /* total length */
u_short id; /* identification */
u_short offset; /* fragment offset field */
u_char ttl; /* time to live */
u_char proto; /* protocol */
u_short hdr_csum; /* checksum */
ip_address src; /* source and dest address */
ip_address dst;
} ip_header;
/* Internet Control Message Protocol Constants and Packet Format */
/* ic_type field */
#define ICT_ECHORP 0 /* Echo reply */
#define ICT_DESTUR 3 /* Destination unreachable */
#define ICT_SRCQ 4 /* Source quench */
#define ICT_REDIRECT 5 /* Redirect message type */
#define ICT_ECHORQ 8 /* Echo request */
#define ICT_TIMEX 11 /* Time exceeded */
#define ICT_PARAMP 12 /* Parameter Problem */
#define ICT_TIMERQ 13 /* Timestamp request */
#define ICT_TIMERP 14 /* Timestamp reply */
#define ICT_INFORQ 15 /* Information request */
#define ICT_INFORP 16 /* Information reply */
#define ICT_MASKRQ 17 /* Mask request */
#define ICT_MASKRP 18 /* Mask reply */
/* ic_code field */
#define ICC_NETUR 0 /* dest unreachable, net unreachable */
#define ICC_HOSTUR 1 /* dest unreachable, host unreachable */
#define ICC_PROTOUR 2 /* dest unreachable, proto unreachable */
#define ICC_PORTUR 3 /* dest unreachable, port unreachable */
#define ICC_FNADF 4 /* dest unr, frag needed & don't frag */
#define ICC_SRCRT 5 /* dest unreachable, src route failed */
#define ICC_NETRD 0 /* redirect: net */
#define ICC_HOSTRD 1 /* redirect: host */
#define IC_TOSNRD 2 /* redirect: type of service, net */
#define IC_TOSHRD 3 /* redirect: type of service, host */
#define ICC_TIMEX 0 /* time exceeded, ttl */
#define ICC_FTIMEX 1 /* time exceeded, frag */
#define IC_HLEN 8 /* octets */
#define IC_PADLEN 3 /* pad length (octets) */
#define IC_RDTTL 300 /* ttl for redirect routes */
/* ICMP packet format (following the IP header) */
typedef struct _icmp_header { /* ICMP packet */
char type; /* type of message (ICT_* above)*/
char code; /* code (ICC_* above) */
short csum; /* checksum of ICMP header+data */
union {
struct {
int ic1_id:16; /* echo type, a message id */
int ic1_seq:16;/* echo type, a seq. number */
} ic1;
ip_address ic2_gw; /* for redirect, gateway */
struct {
char ic3_ptr;/* pointer, for ICT_PARAMP */
char ic3_pad[IC_PADLEN];
} ic3;
int ic4_mbz; /* must be zero */
} icu;
} icmp_header;
/*typedef struct _udp_header {
u16 src_port;
u16 dst_port;
u16 len;
u16 csum;
} udp_header;*/
typedef struct _full_arp_packet
{
ethernet_header header;
arp_packet arp;
} full_arp_packet;
#pragma pack(pop)
#define ARP_REQUEST 0x0100 //values are big-endian
extern mac_address virtual_mac;
extern mac_address broadcast_mac;
#define mac_compare(a,b) (memcmp(&(a),&(b),6))
#define ip_compare(a,b) (memcmp(&(a),&(b),4))
/*
int pcap_io_init(char *adapter);
int pcap_io_send(void* packet, int plen);
int pcap_io_recv(void* packet, int max_len);
void pcap_io_close();
*/
int pcap_io_get_dev_num();
char* pcap_io_get_dev_desc(int num);
char* pcap_io_get_dev_name(int num);
#ifdef __cplusplus
}
#endif
class PCAPAdapter : public NetAdapter
{
public:
PCAPAdapter();
virtual bool blocks();
virtual bool isInitialised();
//gets a packet.rv :true success
virtual bool recv(NetPacket* pkt);
//sends the packet and deletes it when done (if successful).rv :true success
virtual bool send(NetPacket* pkt);
virtual ~PCAPAdapter();
};