void SSMWaitForInternet_Initialize(void)
{
// pingHandle = NULL;
pingHandle = TCPIP_ICMP_CallbackRegister(&PingCallbackFunction);
if(pingHandle == NULL)
{
FATAL("Failed to install ICMP callback\r\n");
}
}
static int CommandPing(_CMDIO_DEV_NODE* pCmdIO, int argc, char** argv)
{
const void* cmdIoParam = pCmdIO->cmdIoParam;
if (argc < 2)
{
(*pCmdIO->pCmdApi->msg)(cmdIoParam, "Ping Usage: ping <stop> <name/address> <n> <msDelay>\r\n");
return true;
}
if(strcmp(argv[1], "stop") == 0)
{
if(icmpCmdStat != TCPIP_PING_CMD_IDLE)
{
_PingStop(pCmdIO, cmdIoParam);
}
return true;
}
if(icmpCmdStat != TCPIP_PING_CMD_IDLE)
{
(*pCmdIO->pCmdApi->msg)(cmdIoParam, "Ping: command in progress. Retry later.\r\n");
return true;
}
if(TCPIP_Helper_StringToIPAddress(argv[1], &icmpTargetAddr))
{
strncpy(icmpTargetAddrStr, argv[1], sizeof(icmpTargetAddrStr));
icmpTargetHost[0] = '\0';
icmpCmdStat = TCPIP_PING_CMD_DO_PING;
}
else
{ // assume host address
if(strlen(argv[1]) > sizeof(icmpTargetHost) - 1)
{
(*pCmdIO->pCmdApi->msg)(cmdIoParam, "Ping: Host name too long. Retry.\r\n");
return true;
}
strcpy(icmpTargetHost, argv[1]);
icmpCmdStat = TCPIP_PING_CMD_DNS_GET;
(*pCmdIO->pCmdApi->print)(cmdIoParam, "Ping: resolving host: %s\r\n", icmpTargetHost);
}
if(hIcmp == 0)
{
if((hIcmp = TCPIP_ICMP_CallbackRegister(CommandPingHandler)) == 0)
{
(*pCmdIO->pCmdApi->msg)(cmdIoParam, "Ping: Failed to register ICMP handler\r\n");
return true;
}
}
icmpSequenceNo = SYS_Rand();
icmpIdentifier = SYS_Rand();
icmpReqNo = 0;
icmpReqDelay = 0;
if(argc >= 3)
{
icmpReqNo = atoi(argv[2]);
}
if(argc >= 4)
{
icmpReqDelay = atoi(argv[3]);
}
if(icmpReqNo == 0)
{
icmpReqNo = TCPIP_STACK_COMMANDS_ICMP_ECHO_REQUESTS;
}
if(icmpReqDelay == 0)
{
icmpReqDelay = TCPIP_STACK_COMMANDS_ICMP_ECHO_REQUEST_DELAY;
}
// convert to ticks
if(icmpReqDelay < TCPIP_COMMAND_ICMP_ECHO_REQUEST_MIN_DELAY)
{
icmpReqDelay = TCPIP_COMMAND_ICMP_ECHO_REQUEST_MIN_DELAY;
}
pIcmpCmd = pCmdIO;
icmpCmdIoParam = cmdIoParam;
icmpAckRecv = 0;
icmpReqCount = 0;
_TCPIPStackAsyncHandlerSetParams(icmptickH, 0, icmpReqDelay);
return true;
}
