#ifdef SDLMAME_WIN32 #include "../windows/netdev_pcap.c" #else #include #include "emu.h" #include "osdnet.h" class netdev_pcap : public netdev { public: netdev_pcap(const char *name, class device_network_interface *ifdev, int rate); ~netdev_pcap(); int send(UINT8 *buf, int len); void set_mac(const char *mac); protected: int recv_dev(UINT8 **buf); private: pcap_t *m_p; }; netdev_pcap::netdev_pcap(const char *name, class device_network_interface *ifdev, int rate) : netdev(ifdev, rate) { char errbuf[PCAP_ERRBUF_SIZE]; m_p = pcap_open_live(name, 65535, 1, 1, errbuf); if(!m_p) { mame_printf_verbose("Unable to open %s: %s\n", name, errbuf); return; } if(pcap_set_datalink(m_p, DLT_EN10MB) == -1) { mame_printf_verbose("Unable to set %s to ethernet", name); pcap_close(m_p); m_p = NULL; return; } set_mac(get_mac()); } void netdev_pcap::set_mac(const char *mac) { char filter[256]; struct bpf_program fp; if(!m_p) return; sprintf(filter, "ether dst %.2X:%.2X:%.2X:%.2X:%.2X:%.2X or ether multicast or ether broadcast", (unsigned char)mac[0], (unsigned char)mac[1], (unsigned char)mac[2],(unsigned char)mac[3], (unsigned char)mac[4], (unsigned char)mac[5]); pcap_compile(m_p, &fp, filter, 1, 0); pcap_setfilter(m_p, &fp); } int netdev_pcap::send(UINT8 *buf, int len) { if(!m_p) return 0; return (!pcap_sendpacket(m_p, buf, len))?len:0; } int netdev_pcap::recv_dev(UINT8 **buf) { struct pcap_pkthdr *header; if(!m_p) return 0; return (pcap_next_ex(m_p, &header, (const u_char **)buf) == 1)?header->len:0; } netdev_pcap::~netdev_pcap() { if(m_p) pcap_close(m_p); } static CREATE_NETDEV(create_pcap) { class netdev_pcap *dev = global_alloc(netdev_pcap(ifname, ifdev, rate)); return dynamic_cast(dev); } void init_pcap() { pcap_if_t *devs; char errbuf[PCAP_ERRBUF_SIZE]; if(pcap_findalldevs(&devs, errbuf) == -1) { mame_printf_verbose("Unable to get network devices: %s\n", errbuf); return; } if (devs) { while(devs->next) { add_netdev(devs->name, devs->description, create_pcap); devs = devs->next; } } } void deinit_pcap() { clear_netdev(); } #endif // SDLMAME_WIN32