//****************************************************************************
//
//! \brief This function handles events for IP address acquisition via DHCP
//! indication
//!
//! \param[in] pNetAppEvent is the event passed to the handler
//!
//! \return None
//
//****************************************************************************
void sl_NetAppEvtHdlr(SlNetAppEvent_t *pNetAppEvent)
{
unsigned char ucQueueMsg = 0;
switch(pNetAppEvent->Event)
{
case SL_NETAPP_IPV4_IPACQUIRED_EVENT:
case SL_NETAPP_IPV6_IPACQUIRED_EVENT:
g_ulIpAddr = pNetAppEvent->EventData.ipAcquiredV4.ip;
ucQueueMsg = (unsigned char)EVENT_IP_ACQUIRED;
if(g_tConnection != 0)
{
osi_MsgQWrite(&g_tConnection, &ucQueueMsg, OSI_WAIT_FOREVER);
}
else
{
UART_PRINT("Error: sl_NetAppEvtHdlr: Queue does not exist\n\r");
while(FOREVER);
}
UART_PRINT("IP: ");
PrintIPAddr(g_ulIpAddr);
UART_PRINT("\n\r");
break;
default:
break;
}
}
bool BootpTx(void){
int i;
char *txPktBuf, *rxPktBuf;
long delay; // delay : 1초 delay후 실패면 재시도.
time_t now;
txPktBuf = PktBuf;
rxPktBuf = PktBuf;
bootpState = BOOTP_CONTINUE;
protocol = PROT_BOOTP;
// make boop packet.
MemSet(txPktBuf, 0, MAX_PKT_SIZE);
SetBootpHeader((char *)(txPktBuf+ETHER_HDR_SIZE+IP_HDR_SIZE+UDP_HDR_SIZE));
SetUdpHeader((char *)(txPktBuf+ETHER_HDR_SIZE+IP_HDR_SIZE), bootps, bootpc, BOOTP_HDR_SIZE);
SetIPHeader((char *)(txPktBuf+ETHER_HDR_SIZE), noIP, broadcastIP, UDP_HDR_SIZE+BOOTP_HDR_SIZE);
SetEtherHeader(txPktBuf, broadcastEther, PROT_IP);
//if (!NetInit()) return false;
// view info.
printf("Our Ethernet address : ");
PrintEthAddr(clientEther);
printf(".\n");
printf("Sending bootp packet...\n");
// bootp operation.
for (i=0; i<TIMEOUT; i++){
// transmit bootp packet to host.
printf(".");
if (!TxPacket(txPktBuf, ETHER_HDR_SIZE+IP_HDR_SIZE+UDP_HDR_SIZE+BOOTP_HDR_SIZE)) break;
// receive bootp packet from host.
delay = GetTime(&now)+HZ;
while (GetTime(&now)<delay && bootpState==BOOTP_CONTINUE){
RxPacket(rxPktBuf);
if (bootpState==BOOTP_SUCCESS) break;
}
if (bootpState==BOOTP_SUCCESS) break;
}
printf("\n");
protocol = NOPROTOCOL;
if (bootpState==BOOTP_SUCCESS){
printf("Bootp Packet received.\n");
printf("\tHost (server) Ethernet : ");
PrintEthAddr(hostEther);
printf("\n");
printf("\tHost (server) IP : ");
PrintIPAddr(hostIP);
printf("\n");
printf("\tClient (target) Ethernet : ");
PrintEthAddr(clientEther);
printf("\n");
printf("\tClient (target) IP : ");
PrintIPAddr(clientIP);
printf("\n");
printf("\n");
return true;
}
else {
printf("Bootp packet is not received.\n\n");
return false;
}
return true;
} // BootpTx.
