void EthernetCallback(uint32_t ui32Event, void *pvData, uint32_t ui32Param) {
uint8_t *pD = (uint8_t *)pvData;
//
// Handle events from the Ethernet client layer.
//
switch(ui32Event)
{
//
// Ethernet client has received data.
//
case ETH_CLIENT_EVENT_RECEIVE:
{
// handle packet recieve parsing pD is data ui32Param is length
memcpy(OnionClient::recvPkt->getBuffer(),pD,ui32Param);
OnionClient::recvPkt->setPayloadLength(ui32Param-3);
available = true;
}
//
// Ethernet client has connected to the specified server/host and port.
//
case ETH_CLIENT_EVENT_CONNECT:
{
// update state of connection
OnionClient::socketConnected = true;
break;
}
//
// Ethernet client has obtained IP address via DHCP.
//
case ETH_CLIENT_EVENT_DHCP:
{
EthClientDNSResolve();
break;
}
//
// Ethernet client has received DNS response.
//
case ETH_CLIENT_EVENT_DNS:
{
if(ui32Param != 0)
{
//
// If DNS resolved successfully, initialize the socket and
// stack.
//
EthClientTCPConnect();
}
else
{
// Report error / update state (no dns available)
}
break;
}
//
// Ethernet client has disconnected from the server/host.
//
case ETH_CLIENT_EVENT_DISCONNECT:
{
//
// Close the socket.
//
OnionClient::socketConnected = false;
EthClientTCPDisconnect();
break;
}
//
// All other cases are unhandled.
//
case ETH_CLIENT_EVENT_SEND:
{
break;
}
case ETH_CLIENT_EVENT_ERROR:
{
break;
}
default:
{
break;
}
}
}
//*****************************************************************************
//
// Gets the current weather information for a given city.
//
//*****************************************************************************
int32_t
WeatherCurrent(tWeatherSource eWeatherSource, const char *pcQuery,
tWeatherReport *psWeatherReport, tEventFunction pfnEvent)
{
int32_t i32Idx;
//
// If the requested source is not valid or there is no call back then
// just fail.
//
if((eWeatherSource != iWSrcOpenWeatherMap) || (g_sWeather.pfnEvent))
{
return (-1);
}
g_sWeather.pfnEvent = pfnEvent;
g_sWeather.psWeatherReport = psWeatherReport;
//
// Copy the base current request to the buffer.
//
i32Idx = MergeRequest(0, g_cWeatherRequest, sizeof(g_cWeatherRequest),
false);
//
// Append the request.
//
i32Idx = MergeRequest(i32Idx, pcQuery, sizeof(g_sWeather.pcRequest), true);
//
// Append the request mode.
//
i32Idx = MergeRequest(i32Idx, g_cMode, sizeof(g_cMode), false);
//
// Append the App ID.
//
i32Idx = MergeRequest(i32Idx, g_cAPPIDOpenWeather,
sizeof(g_cAPPIDOpenWeather), false);
//
// Append the "HTTP:/1.1" string.
//
i32Idx = MergeRequest(i32Idx, g_cHTTP11, sizeof(g_cHTTP11), false);
//
// Save the size of this request.
//
g_sWeather.ui32RequestSize = i32Idx;
//
// Connect or reconnect to port 80.
//
g_sEnet.eState = iEthTCPConnectWait;
//
// Current weather report request.
//
g_sEnet.ulRequest = WEATHER_CURRENT;
//
// Connect to server
//
if(EthClientTCPConnect(80) != ERR_OK)
{
return(-1);
}
return(0);
}