/*---------------------------------------------------------------------------*/
PROCESS_THREAD(servreg_hack_process, ev, data)
{
static struct etimer periodic;
static struct uip_udp_conn *outconn, *inconn;
PROCESS_BEGIN();
/* Create outbound UDP connection. */
outconn = udp_broadcast_new(UIP_HTONS(UDP_PORT), NULL);
udp_bind(outconn, UIP_HTONS(UDP_PORT));
/* Create inbound UDP connection. */
inconn = udp_new(NULL, UIP_HTONS(UDP_PORT), NULL);
udp_bind(inconn, UIP_HTONS(UDP_PORT));
etimer_set(&periodic, PERIOD_TIME);
etimer_set(&sendtimer, random_rand() % (PERIOD_TIME));
while(1) {
PROCESS_WAIT_EVENT();
if(ev == PROCESS_EVENT_TIMER && data == &periodic) {
etimer_reset(&periodic);
etimer_set(&sendtimer, random_rand() % (PERIOD_TIME));
} else if(ev == PROCESS_EVENT_TIMER && data == &sendtimer) {
send_udp_packet(outconn);
} else if(ev == tcpip_event) {
parse_incoming_packet(uip_appdata, uip_datalen());
}
}
PROCESS_END();
}
///Send everything in our line buffer to the PC
void sendLineBuffer()
{
long bytesToSend = pixNum;
long loc = 0;
unsigned char dataSize;
///Loop trough until we've sent everything
while (bytesToSend > 0)
{
dataSize = (bytesToSend >= MAXSENDSIZE) ? MAXSENDSIZE : bytesToSend;
send_udp_packet(&sendBuffer[0], &lineBuffer[loc], dataSize);
bytesToSend -=dataSize;
loc+=dataSize;
}
}
void ipx_receive(int s) {
ipxpacket_t buf;
int rc;
struct sockaddr from;
size_t sl = sizeof(from);
rc = recvfrom(s,&buf,sizeof buf,0,&from,&sl);
if (rc == -1) {
fprintf(stderr,"read(ipx): %s\n", strerror(errno));
exit(-2);
}
if (rc > 0) {
if (buf.tic == -1) {
// Setup packet
if (!connected++) {
connect(s,&from,sl);
send_udp_packet(PKT_INIT,0,NULL,0);
}
} else {
if (buf.u.d.checksum & NCMD_SETUP) {
printf("setup packet, dropped\n");
} else if (buf.u.d.checksum & NCMD_EXIT) {
send_udp_packet(PKT_QUIT,buf.u.d.starttic,NULL,0);
exit(0);
} else if ((buf.u.d.checksum & NCMD_CHECKSUM) == buf.u.d.checksum) {
// No flags, normal game packet
char outbuf[100];
int tics;
outbuf[0] = tics = buf.u.d.numtics;
outbuf[1] = buf.u.d.player;
for (int i=0; i< tics; i++)
TicToRaw(outbuf+2+i*sizeof(ticcmd_t),&buf.u.d.cmds[i]);
send_udp_packet(PKT_TICC, ExpandTics(buf.u.d.starttic, basetic), outbuf, 2+tics*sizeof(ticcmd_t));
}
}
}
}
bool network_cmd_send(const char *cmd_)
{
bool ret;
char *command = NULL;
char *save = NULL;
const char *cmd = NULL;
const char *host = NULL;
const char *port_ = NULL;
global_t *global = global_get_ptr();
bool old_verbose = global ? global->verbosity : false;
uint16_t port = DEFAULT_NETWORK_CMD_PORT;
if (!network_init())
return false;
if (!(command = strdup(cmd_)))
return false;
global->verbosity = true;
cmd = strtok_r(command, ";", &save);
if (cmd)
host = strtok_r(NULL, ";", &save);
if (host)
port_ = strtok_r(NULL, ";", &save);
if (!host)
{
#ifdef _WIN32
host = "127.0.0.1";
#else
host = "localhost";
#endif
}
if (port_)
port = strtoul(port_, NULL, 0);
RARCH_LOG("%s: \"%s\" to %s:%hu\n",
msg_hash_to_str(MSG_SENDING_COMMAND),
cmd, host, (unsigned short)port);
ret = verify_command(cmd) && send_udp_packet(host, port, cmd);
free(command);
global->verbosity = old_verbose;
return ret;
}
int copied_ttl(SOCKADDR_IN *dst, unsigned int timeout, RouteInfo *rinfo)
{
SOCKET sr;
SOCKADDR_IN from;
int icmp_type, delta, is_packet_recieved, copiedttl;
unsigned short seq_sent, seq_resp;
ULONG start_test_timestamp = GetTickCount();
sr = init_icmp_socket();
strcpy(rinfo->path, UNDEFINED_PATH);
rinfo->resp_ttl = UNDEFINED_TTL;
rinfo->cnt_packet_waste = 0;
seq_sent = INITIAL_SEQ;
while(GetTickCount()-start_test_timestamp < timeout*1000)
{
ULONG start_packet_timestamp = GetTickCount();
send_udp_packet(dst, MAX_TTL, seq_sent);
rinfo->cnt_packet_waste++;
is_packet_recieved = wait_for_icmp(sr, &seq_resp, &icmp_type, &from, &copiedttl, timeout);
delta = GetTickCount()-start_packet_timestamp;
if (!is_packet_recieved) //we got no reply
{
// fprintf(stderr, "%3d Request timed out\t", MAX_TTL);
break;
}
if(seq_sent == seq_resp) //check if this is our ICMP packet
{
if (icmp_type == ICMP_DEST_UNREACH)
{
rinfo->time_waste_on_test = GetTickCount() - start_test_timestamp;
rinfo->rtt = delta;
rinfo->hopdist = MAX_TTL+1-copiedttl;
closesocket(sr);
return 1;
}
}
//it was not a response to our packet. send it again
}
closesocket(sr);
return 0;
}
bool network_cmd_send(const char *cmd_)
{
char *command, *save;
bool ret;
const char *cmd = NULL;
const char *host = NULL;
const char *port_ = NULL;
bool old_verbose = g_extern.verbosity;
uint16_t port = DEFAULT_NETWORK_CMD_PORT;
if (!netplay_init_network())
return false;
if (!(command = strdup(cmd_)))
return false;
g_extern.verbosity = true;
cmd = strtok_r(command, ";", &save);
if (cmd)
host = strtok_r(NULL, ";", &save);
if (host)
port_ = strtok_r(NULL, ";", &save);
if (!host)
{
#ifdef _WIN32
host = "127.0.0.1";
#else
host = "localhost";
#endif
}
if (port_)
port = strtoul(port_, NULL, 0);
RARCH_LOG("Sending command: \"%s\" to %s:%hu\n",
cmd, host, (unsigned short)port);
ret = verify_command(cmd) && send_udp_packet(host, port, cmd);
free(command);
g_extern.verbosity = old_verbose;
return ret;
}
int ip_send( ipaddr_t dst, unsigned short proto, unsigned short id, void *data,
int len )
{
char *buf;
size_t header_size;
int result;
not_quite_ip_header_t header;
if ( my_ipaddr == 0 ) {
ip_init();
}
header.protocol = proto;
header.source = my_ipaddr;
header.destination = dst;
header.flags = 0;
if ( ( random() % 100 ) < packet_loss )
header.flags |= DROP_PACKET;
if ( ( random() % 100 ) < packet_corruption )
header.flags |= CORRUPT_PACKET;
header_size = sizeof( not_quite_ip_header_t );
buf = malloc( header_size + len );
memcpy( buf, &header, header_size );
memcpy( buf + header_size, data, len );
result = send_udp_packet( dst, buf, header_size + len );
free( buf );
if ( result < 0 )
return result;
else {
if ( result < header_size )
return -1;
else
return ( result - header_size );
}
}
void udp_receive(int s) {
size_t len = 1024;
packet_header_t *p = malloc(len);
int rc;
rc = read(s,p,len);
if (rc < 0) {
fprintf(stderr,"read(udp): %s\n", strerror(errno));
exit(-2);
}
if (rc > 0) {
switch (p->type) {
case PKT_SETUP:
{
struct setup_packet_s *sinfo = (void*)(p+1);
consoleplayer = sinfo->yourplayer;
send_udp_packet(PKT_GO,0,NULL,0);
write(ipxs,"\xff\xff\xff\xff\x00\x00\x00\x00\x02\x00\x02\x00\x00\x00\x00\x00",16);
}
break;
case PKT_GO:
{
ipxpacket_t pkt;
memset(&pkt,0,sizeof(pkt));
pkt.tic = ipxcounter++;
pkt.u.d.player = consoleplayer^1;
pkt.u.d.starttic = 0;
pkt.u.d.numtics = 0;
pkt.u.d.retransmitfrom = 0;
pkt.u.d.checksum = NetbufferChecksum(&pkt.u.d.retransmitfrom, 4);
write(ipxs,&pkt,16);
}
break;
case PKT_TICS:
{
ipxpacket_t pkt;
int tic = doom_ntohl(p->tic);
byte *pp = (void*)(p+1);
int tics = *pp++;
memset(&pkt,0,sizeof(pkt));
size_t len;
pkt.tic = ipxcounter++;
pkt.u.d.starttic = tic;
pkt.u.d.player = (consoleplayer == 0 ? 1 : 0);
pkt.u.d.numtics = tics;
for (int t=0; t<tics; t++) {
int players = *pp++;
for (int i=0; i<players; i++) {
if (*pp++ == pkt.u.d.player)
RawToTic(&pkt.u.d.cmds[t],pp);
pp += sizeof(ticcmd_t);
}
}
pkt.u.d.retransmitfrom = 0;
len = 12+tics*sizeof(ticcmd_t);
len = (len+7)&0xff8; // round up to next 16
pkt.u.d.checksum = NetbufferChecksum(&pkt.u.d.retransmitfrom, len-8);
write(ipxs,&pkt,len);
}
}
}
}
void Initialize()
{
lineNum = 0;
pixNum = 0;
///Set PORTA as an input
DDRA = 0x00;
///Set External interrupt pins as inputs
DDRD = DDRD | (1 << PIND2);
DDRC = DDRC | (1 << PINC2) | (1 << PINC3);
///Set Stepper output ports C[4:7], D[4:7]
DDRD = DDRD | (0xf << PORTD4);
DDRC = DDRC | (0xf << PORTC4);
///Set up i2c communcation
i2c_init();
//Setup ethernet communication
/* enable PB0, reset as output */
ETHERNET_RESET_PORT_DD |= (1<<ETHERNET_RESET_PIN);
/* set output to gnd, reset the ethernet chip */
ETHERNET_RESET_PORT &= ~(1<<ETHERNET_RESET_PIN);
_delay_ms(10);
/* set output to Vcc, reset inactive */
ETHERNET_RESET_PORT |= (1<<ETHERNET_RESET_PIN);
_delay_ms(300);
/*initialize enc28j60*/
enc28j60Init(mymac);
_delay_ms(20);
/* Magjack leds configuration, see enc28j60 datasheet, page 11 */
// LEDB=yellow LEDA=green
//
// 0x476 is PHLCON LEDA=links status, LEDB=receive/transmit
// enc28j60PhyWrite(PHLCON,0b0000 0100 0111 01 10);
enc28j60PhyWrite(PHLCON,0x476);
_delay_ms(20);
//init the ethernet/ip layer:
init_ip_arp_udp(mymac,myip,mypcip,mypcmac, sendBuffer);
_delay_ms(100);
//send out a test packet
char str[10] = "hello ryan";
send_udp_packet(sendBuffer, str, 10);
//Enable Internal pull up resistors
DDRC = DDRC & ~(1<< PORTC0);
DDRC = DDRC & ~(1<< PORTC1);
PORTC = PORTC | (1<< PORTC0);
PORTC = PORTC | (1<< PORTC1);
cameraOn = 0;
}
