//----------------------------------------------------------------------------
//MagicPacket versenden (immer 102 Byte)
void wol_request ()
{
unsigned int byte_count = 0;
//sync stream erstellen (sechs mal FF)
for (; byte_count < 6; byte_count++)
{
eth_buffer[UDP_DATA_START + byte_count] = 0xFF;
}
//16 mal die MAC-Adresse anhängen / darauf achten, dass nicht zu viel auf dem buffer landet
for (; byte_count < 102 && byte_count < (MTU_SIZE-(UDP_DATA_START));)
{
for (unsigned char i=0; i < 6; i++)
{
eth_buffer[UDP_DATA_START + byte_count] = wol_mac[i];
byte_count++;
}
}
create_new_udp_packet(byte_count,WOL_PORT,WOL_PORT,(*(unsigned long*)&wol_bcast_ip[0]));
WOL_DEBUG("** MagicPacket gesendet an: %1i.%1i.%1i.%1i (0x%2x-0x%2x-0x%2x-0x%2x-0x%2x-0x%2x) **\r\n",
wol_bcast_ip[0],wol_bcast_ip[1],wol_bcast_ip[2],wol_bcast_ip[3],
wol_mac[0],wol_mac[1],wol_mac[2],wol_mac[3],wol_mac[4],wol_mac[5]);
return;
}
//-----------------------------------------------------------------------------------
// sending msg to syslog server defined in EEPROM
void syslog_send ( char *msg )
{
char *packet = (char *)(eth_buffer+UDP_DATA_START);
char *pp = packet;
int i = 0;
SYSLOG_DEBUG("SYSLOG send %s\r\n", msg);
(*((unsigned long*)&syslog_server_ip[0])) = para_getip(SYSLOG_IP_EEPROM_STORE,SYSLOG_IP);
SYSLOG_DEBUG("Server: %1i.%1i.%1i.%1i\r\n",syslog_server_ip[0],syslog_server_ip[1],syslog_server_ip[2],syslog_server_ip[3]);
//Arp-Request senden
unsigned long tmp_ip = (*(unsigned long*)&syslog_server_ip[0]);
if ( syslog_server_ip[3] != 0xFF ) // quickhack for broadcast address
if ( arp_entry_search(tmp_ip) >= MAX_ARP_ENTRY ) //Arp-Request senden?
for ( i=0; i<SYSLOG_ARPRETRIES && (arp_request(tmp_ip) != 1); i++ );
if (i>=SYSLOG_ARPRETRIES) {
SYSLOG_ERROR("No SYSLOG server!\r\n");
}
// building the packet structure
*pp++ = '<';
*pp++ = '0';
*pp++ = '>';
strcpy ( pp, msg );
create_new_udp_packet(strlen(packet),SYSLOG_CLIENT_PORT,SYSLOG_SERVER_PORT,tmp_ip);
}
// ----------------------------------------------------------------------------
// send an ArtDmx packet
void artnet_sendDmxPacket(void) {
static unsigned char sequence = 1;
struct artnet_dmx *msg;
// clear packet buffer
for (unsigned int i = 0; i < sizeof(struct artnet_dmx) + artnet_dmxChannels; i++) { //clear eth_buffer to 0
eth_buffer[UDP_DATA_START + i] = 0;
}
msg = (struct artnet_dmx *)ð_buffer[UDP_DATA_START];
strcpy_P((char*)msg->id,PSTR("Art-Net\0"));
msg->opcode = OP_OUTPUT;
msg->versionH = 0;
msg->version = PROTOCOL_VERSION;
msg->sequence = sequence++;
if (sequence == 0) {
sequence = 1;
}
msg->physical = 1;
msg->universe = ((artnet_subNet << 4) | artnet_inputUniverse1);
msg->lengthHi = (artnet_dmxChannels >> 8) & 0xFF;
msg->length = artnet_dmxChannels & 0xFF;
memcpy(&(msg->dataStart), (unsigned char *)&artnet_dmxUniverse[0], artnet_dmxChannels);
create_new_udp_packet(sizeof(struct artnet_dmx) + artnet_dmxChannels, artnet_port, artnet_port, (unsigned long)0xffffffff);
}
//----------------------------------------------------------------------------
//Empfang der IP
void udp_cmd_get (unsigned char index)
{
//UDP_CMD_DEBUG("** CMD DATA GET Bytes: %i **\r\n",((UDP_DATA_END_VAR)-(UDP_DATA_START)));
struct IP_Header *ip;
ip = (struct IP_Header *)ð_buffer[IP_OFFSET];
udp_cmd_pollReplyTarget = ip->IP_Srcaddr;
if(strcasestr_P((char*)ð_buffer[UDP_DATA_START],PSTR("CMD IP ")) != 0){
if ((eth_buffer[UDP_DATA_START+11] == myip[0] &&
eth_buffer[UDP_DATA_START+12] == myip[1] &&
eth_buffer[UDP_DATA_START+13] == myip[2] &&
eth_buffer[UDP_DATA_START+14] == myip[3])||
(eth_buffer[UDP_DATA_START+11] == 255 &&
eth_buffer[UDP_DATA_START+12] == 255 &&
eth_buffer[UDP_DATA_START+13] == 255 &&
eth_buffer[UDP_DATA_START+14] == 255))
{
//write default port
unsigned short tmp = 0x1936;
eeprom_write_block(&tmp,(void *)64, 2);
//write_eeprom_ip(IP_EEPROM_STORE);
if (*((unsigned int*)ð_buffer[UDP_DATA_START+7]) != 0x00000000)
{
//value ins EEPROM schreiben
for (unsigned char count = 0; count<4;count++)
{
eeprom_busy_wait ();
eeprom_write_byte((unsigned char *)(IP_EEPROM_STORE + count),eth_buffer[UDP_DATA_START+7+count]);
}
}
//write_eeprom_netmask(NETMASK_EEPROM_STORE);
if (*((unsigned int*)ð_buffer[UDP_DATA_START+15]) != 0x00000000)
{
//value ins EEPROM schreiben
for (unsigned char count = 0; count<4;count++)
{
eeprom_busy_wait ();
eeprom_write_byte((unsigned char *)(NETMASK_EEPROM_STORE + count),eth_buffer[UDP_DATA_START+15+count]);
}
}
(*((unsigned long*)&myip[0])) = MYIP;
(*((unsigned long*)&netmask[0])) = NETMASK;
//UDP_CMD_DEBUG("My IP: %1i.%1i.%1i.%1i\r\n",myip[0],myip[1],myip[2],myip[3]);
//UDP_CMD_DEBUG("MASK %1i.%1i.%1i.%1i\r\n", netmask[0] , netmask[1] , netmask[2] , netmask[3]);
//send OK
eth_buffer[UDP_DATA_START] = 'O';
eth_buffer[UDP_DATA_START+1] = 'K';
//create_new_udp_packet(2,UDP_CMD_PORT_TX+1392,UDP_CMD_PORT_TX,udp_cmd_pollReplyTarget);
create_new_udp_packet(2,UDP_CMD_PORT_TX+3456,UDP_CMD_PORT_TX,(unsigned long)0xffffffff);
}
}
}
// ----------------------------------------------------------------------------
// send an ArtIpProgReply packet
void artnet_sendIpProgReply(unsigned long target) {
struct artnet_ipprogreply *msg;
// clear packet buffer
for (unsigned int i = 0; i < sizeof(struct artnet_ipprogreply); i++) { //clear eth_buffer to 0
eth_buffer[UDP_DATA_START + i] = 0;
}
msg = (struct artnet_ipprogreply *)ð_buffer[UDP_DATA_START];
strcpy_P((char*)msg->id,PSTR("Art-Net\0"));
msg->opcode = OP_IPPROGREPLY;
msg->versionH = 0;
msg->version = PROTOCOL_VERSION;
for (unsigned char i = 0; i < 4; i++) {
msg->progIp[i] = myip[i];
msg->progSm[i] = netmask[i];
}
msg->progPort[0] = (artnet_port >> 8) & 0xff;
msg->progPort[1] = artnet_port & 0xff;
create_new_udp_packet(sizeof(struct artnet_ipprogreply), artnet_port, artnet_port, target);
}
// ----------------------------------------------------------------------------
// send an ArtPollReply packet
void artnet_sendPollReply(void) {
struct artnet_pollreply *msg;
char buffer[LONG_NAME_LENGTH];
// clear packet buffer
for (unsigned int i = 0; i < sizeof(struct artnet_pollreply); i++) { //clear eth_buffer to 0
eth_buffer[UDP_DATA_START + i] = 0;
}
msg = (struct artnet_pollreply *)ð_buffer[UDP_DATA_START];
strcpy_P((char*)msg->id,PSTR("Art-Net\0"));
msg->opcode = OP_POLLREPLY;
msg->addr.ip[0] = myip[0];
msg->addr.ip[1] = myip[1];
msg->addr.ip[2] = myip[2];
msg->addr.ip[3] = myip[3];
msg->addr.port = artnet_port;
msg->versionInfoH = (FIRMWARE_VERSION >> 8) & 0xFF;
msg->versionInfo = FIRMWARE_VERSION & 0xFF;
msg->subSwitchH = 0;
msg->subSwitch = artnet_subNet & 15;
msg->oem = OEM_ID;
msg->ubeaVersion = 0;
msg->status = 0;
msg->estaMan = 'S' * 256 + 'K';
strcpy(msg->shortName, artnet_shortName);
strcpy(msg->longName, artnet_longName);
sprintf(buffer, "#%04X [%04u] AvrArtNode is ready", artnet_status, artnet_pollReplyCounter);
strcpy(msg->nodeReport, buffer);
msg->numPortsH = 0;
msg->numPorts = 1;
if (artnet_dmxDirection == 1) {
msg->portTypes[0] = PORT_TYPE_DMX_INPUT;
} else {
msg->portTypes[0] = PORT_TYPE_DMX_OUTPUT;
}
if (artnet_dmxDirection != 1) {
msg->goodInput[0] = (1 << 3);
} else {
if (artnet_dmxChannels > 0) {
msg->goodInput[0] |= (1 << 7);
}
}
msg->goodOutput[0] = (1 << 1);
if (artnet_dmxTransmitting == TRUE) {
msg->goodOutput[0] |= (1 << 7);
}
msg->swin[0] = (artnet_subNet & 15) * 16 | (artnet_inputUniverse1 & 15);
msg->swout[0] = (artnet_subNet & 15) * 16 | (artnet_outputUniverse1 & 15);
msg->style = STYLE_NODE;
msg->mac[0] = MYMAC1;
msg->mac[1] = MYMAC2;
msg->mac[2] = MYMAC3;
msg->mac[3] = MYMAC4;
msg->mac[4] = MYMAC5;
msg->mac[5] = MYMAC6;
create_new_udp_packet(sizeof(struct artnet_pollreply)+20, artnet_port, artnet_port, artnet_pollReplyTarget);
}
//----------------------------------------------------------------------------
//Sendet DHCP messages an Broadcast
void dhcp_message (unsigned char type)
{
struct dhcp_msg *msg;
unsigned char *options;
for (unsigned int i=0; i < sizeof (struct dhcp_msg); i++) //clear eth_buffer to 0
{
eth_buffer[UDP_DATA_START+i] = 0;
}
msg = (struct dhcp_msg *)ð_buffer[UDP_DATA_START];
msg->op = 1; // BOOTREQUEST
msg->htype = 1; // Ethernet
msg->hlen = 6; // Ethernet MAC
msg->xid[0] = MYMAC6; //use the MAC as the ID to be unique in the LAN
msg->xid[1] = MYMAC5;
msg->xid[2] = MYMAC4;
msg->xid[3] = MYMAC3;
msg->flags = HTONS(0x8000);
msg->chaddr[0] = MYMAC1;
msg->chaddr[1] = MYMAC2;
msg->chaddr[2] = MYMAC3;
msg->chaddr[3] = MYMAC4;
msg->chaddr[4] = MYMAC5;
msg->chaddr[5] = MYMAC6;
options = &msg->options[0]; //options
*options++ = 99; //magic cookie
*options++ = 130;
*options++ = 83;
*options++ = 99;
*options++ = 53; // Option 53: DHCP message type DHCP Discover
*options++ = 1; // len = 1
*options++ = type; // 1 = DHCP Discover
*options++ = 55; // Option 55: parameter request list
*options++ = 3; // len = 3
*options++ = 1; // netmask
*options++ = 3; // router
*options++ = 6; // dns
*options++ = 50; // Option 54: requested IP
*options++ = 4; // len = 4
*options++ = myip[0];
*options++ = myip[1];
*options++ = myip[2];
*options++ = myip[3];
switch (type)
{
case DHCPDISCOVER:
dhcp_state = DHCP_STATE_DISCOVER_SENT;
DHCP_DEBUG("DISCOVER sent\r\n");
break;
case DHCPREQUEST:
*options++ = 54; // Option 54: server ID
*options++ = 4; // len = 4
*options++ = cache.serv_id[0];
*options++ = cache.serv_id[1];
*options++ = cache.serv_id[2];
*options++ = cache.serv_id[3];
dhcp_state = DHCP_STATE_REQUEST_SENT;
DHCP_DEBUG("REQUEST sent\r\n");
break;
default:
DHCP_DEBUG("Wrong DHCP msg type\r\n");
break;
}
*options++ = 12; // Option 12: host name
*options++ = 8; // len = 8
*options++ = 'M';
*options++ = 'i';
*options++ = 'n';
*options++ = 'i';
*options++ = '-';
*options++ = 'A';
*options++ = 'V';
*options++ = 'R';
*options = 0xff; //end option
create_new_udp_packet(sizeof (struct dhcp_msg),DHCP_CLIENT_PORT,DHCP_SERVER_PORT,(unsigned long)0xffffffff);
}
//----------------------------------------------------------------------------
//send query to DNS server
void dns_query(char *name)
{
unsigned char *nptr;
unsigned char n;
unsigned int byte_count;
unsigned long tmp_ip;
tmp_ip = (*(unsigned long*)&dns_server_ip[0]);
if (arp_request(tmp_ip) == 1) // if DNS server is answering to ARP
{
nptr = ð_buffer[UDP_DATA_START];
*nptr++ = 0x12; //ID h
*nptr++ = 0x34; //ID l
*nptr++ = 0x01; //Flags h FLAG_RD ->Standard query
*nptr++ = 0x00; //Flags l
*nptr++ = 0x00; //QDCOUNT h
*nptr++ = 0x01; //QDCOUNT l
*nptr++ = 0x00; //ANCOUNT h
*nptr++ = 0x00; //ANCOUNT l
*nptr++ = 0x00; //NSCOUNT h
*nptr++ = 0x00; //NSCOUNT l
*nptr++ = 0x00; //ARCOUNT h
*nptr++ = 0x00; //ARCOUNT l
byte_count = 12;
--name;
/* Convert hostname to query format. */
do
{
++name;
nptr = ð_buffer[UDP_DATA_START+byte_count]; //remember the first byte
byte_count++;
for(n = 0; *name != '.' && *name != 0; ++name) //copy the name
{
eth_buffer[UDP_DATA_START+byte_count] = *name;
byte_count++;
n++;
}
*nptr = n; //store the length in the first byte
}
while(*name != 0); //until name string is finished
//end of query:
eth_buffer[UDP_DATA_START+byte_count] = 0; //zero string
byte_count++;
eth_buffer[UDP_DATA_START+byte_count] = 0; //2 bytes QTYPE 1=a host address
byte_count++;
eth_buffer[UDP_DATA_START+byte_count] = 1; //
byte_count++;
eth_buffer[UDP_DATA_START+byte_count] = 0; //2 bytes QCLASS 1=Internet
byte_count++;
eth_buffer[UDP_DATA_START+byte_count] = 1; //
byte_count++;
create_new_udp_packet(byte_count,DNS_CLIENT_PORT,DNS_SERVER_PORT,tmp_ip);
dns_state = DNS_STATE_REQ_SENT;
return;
}
dns_state = DNS_STATE_REQ_ERR;
DNS_DEBUG("No DNS server!!\r\n");
}