/* Public Functions */
int MqttClientNet_Init(MqttNet* net)
{
#ifdef USE_WINDOWS_API
WSADATA wsd;
WSAStartup(0x0002, &wsd);
#endif
#ifdef MICROCHIP_MPLAB_HARMONY
static IPV4_ADDR dwLastIP[2] = { {-1}, {-1} };
IPV4_ADDR ipAddr;
int Dummy;
int nNets;
int i;
SYS_STATUS stat;
TCPIP_NET_HANDLE netH;
stat = TCPIP_STACK_Status(sysObj.tcpip);
if (stat < 0) {
return MQTT_CODE_CONTINUE;
}
nNets = TCPIP_STACK_NumberOfNetworksGet();
for (i = 0; i < nNets; i++) {
netH = TCPIP_STACK_IndexToNet(i);
ipAddr.Val = TCPIP_STACK_NetAddress(netH);
if (ipAddr.v[0] == 0) {
return MQTT_CODE_CONTINUE;
}
if (dwLastIP[i].Val != ipAddr.Val) {
dwLastIP[i].Val = ipAddr.Val;
PRINTF("%s", TCPIP_STACK_NetNameGet(netH));
PRINTF(" IP Address: ");
PRINTF("%d.%d.%d.%d\n", ipAddr.v[0], ipAddr.v[1], ipAddr.v[2], ipAddr.v[3]);
}
}
#endif /* MICROCHIP_MPLAB_HARMONY */
if (net) {
XMEMSET(net, 0, sizeof(MqttNet));
net->connect = NetConnect;
net->read = NetRead;
net->write = NetWrite;
net->disconnect = NetDisconnect;
net->context = (SocketContext *)WOLFMQTT_MALLOC(sizeof(SocketContext));
if (net->context == NULL) {
return MQTT_CODE_ERROR_MEMORY;
}
XMEMSET(net->context, 0, sizeof(SocketContext));
((SocketContext*)(net->context))->stat = SOCK_BEGIN;
}
return MQTT_CODE_SUCCESS;
}
void APP_Tasks ( void )
{
SYS_STATUS tcpipStat;
const char *netName, *netBiosName;
static IPV4_ADDR dwLastIP[2] = { {-1}, {-1} };
IPV4_ADDR ipAddr;
TCPIP_NET_HANDLE netH;
int i, nNets;
PubnubStaticDemoProcess();
/* Check the application's current state. */
switch ( appData.state )
{
/* Application's initial state. */
case APP_STATE_INIT:
{
tcpipStat = TCPIP_STACK_Status(sysObj.tcpip);
if(tcpipStat < 0)
{ // some error occurred
SYS_CONSOLE_MESSAGE(" APP: TCP/IP stack initialization failed!\r\n");
appData.state = APP_TCPIP_ERROR;
}
else if(tcpipStat == SYS_STATUS_READY)
{
// now that the stack is ready we can check the
// available interfaces
nNets = TCPIP_STACK_NumberOfNetworksGet();
for(i = 0; i < nNets; i++)
{
netH = TCPIP_STACK_IndexToNet(i);
netName = TCPIP_STACK_NetNameGet(netH);
netBiosName = TCPIP_STACK_NetBIOSName(netH);
#if defined(TCPIP_STACK_USE_NBNS)
SYS_CONSOLE_PRINT(" Interface %s on host %s - NBNS enabled\r\n", netName, netBiosName);
#else
SYS_CONSOLE_PRINT(" Interface %s on host %s - NBNS disabled\r\n", netName, netBiosName);
#endif // defined(TCPIP_STACK_USE_NBNS)
}
appData.state = APP_TCPIP_WAIT_FOR_IP;
}
break;
}
case APP_TCPIP_WAIT_FOR_IP:
// if the IP address of an interface has changed
// display the new value on the system console
nNets = TCPIP_STACK_NumberOfNetworksGet();
for (i = 0; i < nNets; i++)
{
netH = TCPIP_STACK_IndexToNet(i);
ipAddr.Val = TCPIP_STACK_NetAddress(netH);
if(dwLastIP[i].Val != ipAddr.Val)
{
dwLastIP[i].Val = ipAddr.Val;
SYS_CONSOLE_MESSAGE(TCPIP_STACK_NetNameGet(netH));
SYS_CONSOLE_MESSAGE(" IP Address: ");
SYS_CONSOLE_PRINT("%d.%d.%d.%d \r\n", ipAddr.v[0], ipAddr.v[1], ipAddr.v[2], ipAddr.v[3]);
if (ipAddr.v[0] != 0 && ipAddr.v[0] != 169) // Wait for a Valid IP
{
appData.state = APP_TCPIP_WAITING_FOR_INIT;
}
}
}
break;
case APP_TCPIP_WAITING_FOR_INIT:
{
PubnubStaticDemoInit();
appData.state = APP_TCPIP_PUBNUB;
}
break;
default:
{
break;
}
}
}
void APP_Tasks ( void )
{
SYS_STATUS tcpipStat;
const char *netName, *netBiosName;
static IPV4_ADDR dwLastIP[2] = { {-1}, {-1} };
IPV4_ADDR ipAddr;
TCPIP_NET_HANDLE netH;
int i, nNets;
/* Check the application's current state. */
switch ( appData.state )
{
/* Application's initial state. */
case APP_STATE_INIT:
{
tcpipStat = TCPIP_STACK_Status(sysObj.tcpip);
if(tcpipStat < 0)
{ // some error occurred
SYS_CONSOLE_MESSAGE(" APP: TCP/IP stack initialization failed!\r\n");
appData.state = APP_DONE;
}
else if(tcpipStat == SYS_STATUS_READY)
{
// now that the stack is ready we can check the
// available interfaces
nNets = TCPIP_STACK_NumberOfNetworksGet();
for(i = 0; i < nNets; i++)
{
netH = TCPIP_STACK_IndexToNet(i);
netName = TCPIP_STACK_NetNameGet(netH);
netBiosName = TCPIP_STACK_NetBIOSName(netH);
#if defined(TCPIP_STACK_USE_NBNS)
SYS_CONSOLE_PRINT(" Interface %s on host %s - NBNS enabled\r\n", netName, netBiosName);
#else
SYS_CONSOLE_PRINT(" Interface %s on host %s - NBNS disabled\r\n", netName, netBiosName);
#endif // defined(TCPIP_STACK_USE_NBNS)
}
appData.state = APP_TCPIP_WAIT_FOR_IP;
}
break;
}
case APP_TCPIP_WAIT_FOR_IP:
// if the IP address of an interface has changed
// display the new value on the system console
nNets = TCPIP_STACK_NumberOfNetworksGet();
for (i = 0; i < nNets; i++)
{
netH = TCPIP_STACK_IndexToNet(i);
ipAddr.Val = TCPIP_STACK_NetAddress(netH);
if(dwLastIP[i].Val != ipAddr.Val)
{
dwLastIP[i].Val = ipAddr.Val;
SYS_CONSOLE_MESSAGE(TCPIP_STACK_NetNameGet(netH));
SYS_CONSOLE_MESSAGE(" IP Address: ");
SYS_CONSOLE_PRINT("%d.%d.%d.%d \r\n", ipAddr.v[0], ipAddr.v[1], ipAddr.v[2], ipAddr.v[3]);
if (ipAddr.v[0] != 0 && ipAddr.v[0] != 169) // Wait for a Valid IP
{
appData.state = APP_START_LISTENING;
}
}
}
break;
case APP_START_LISTENING:
{
SYS_CONSOLE_PRINT("Starting listening on port 8000\r\n");
struct mg_connection *nc = mg_bind(&mgr, "8000", ev_handler); // Create listening connection and add it to the event manager
if (nc == NULL) {
SYS_CONSOLE_PRINT("Failed to create listener\n\r");
appData.state = APP_DONE;
break;
}
mg_set_protocol_http_websocket(nc);
SYS_CONSOLE_PRINT("Listener started\r\n");
appData.state = APP_POLL;
break;
}
case APP_POLL:
{
mg_mgr_poll(&mgr, 1000);
break;
}
case APP_DONE:
{
SYS_CONSOLE_PRINT("Server stopped\n\r");
appData.state = APP_EMPTY;
break;
}
case APP_EMPTY:
{
break;
}
/* The default state should never be executed. */
default:
{
/* TODO: Handle error in application's state machine. */
break;
}
}
}