/**
* Called from the client to disconnect this server.
* @param socket
* @return
*/
wiced_result_t disconnect(wiced_tcp_socket_t* socket) {
os_mutex_recursive_lock(accept_lock);
wiced_tcp_disconnect(socket);
// remove from client array as this socket is getting closed and
// subsequently destroyed
int idx = index(socket);
if (idx >= 0) {
clients[idx] = NULL;
}
wiced_result_t result = wiced_tcp_server_disconnect_socket(this, socket);
os_mutex_recursive_unlock(accept_lock);
return result;
}
static wiced_result_t received_data_callback( wiced_tcp_socket_t* socket, void* arg )
{
uint16_t request_length;
uint16_t available_data_length;
wiced_packet_t* temp_packet = NULL;
if(wiced_tcp_receive( socket, &temp_packet, 500 ) == WICED_SUCCESS) // get the data from the client
{
char *rbuffer;
dbEntry_t receive;
char commandId;
int err=1;
char returnMessage[15];
// get the pointer to the packet sent by the client and the data
wiced_packet_get_data( temp_packet, 0, (uint8_t**) &rbuffer, &request_length, &available_data_length );
sscanf(rbuffer,"%c%4x%2x%4x",&commandId,(unsigned int *)&receive.deviceId,(unsigned int *)&receive.regId,(unsigned int *)&receive.value);
wiced_packet_delete( temp_packet ); // free the packet
if(request_length >= 11 && request_length <= 13 ) //11 if no end 12 if CR 13 if CRLF
{
dbEntry_t *newDbEntry;
switch(commandId)
{
case 'R': // they sent a Read command
newDbEntry = dbFind(&receive); // look through the database to find a previous write of the deviceId/regId
if(newDbEntry)
{
err=0;
sprintf(returnMessage,"A%04X%02X%04X",(unsigned int)newDbEntry->deviceId,(unsigned int)newDbEntry->regId,(unsigned int)newDbEntry->value);
}
else
err = 1;
break;
case 'W': // they sent a Write command
sprintf(returnMessage,"A%04X%02X%04X",(unsigned int)receive.deviceId,(unsigned int)receive.regId,(unsigned int)receive.value);
dbEntry_t *newDB;
newDB = malloc(sizeof(dbEntry_t)); // make a new entry to put in the database
memcpy(newDB,&receive,sizeof(dbEntry_t)); // copy the received data into the new entry
dbSetValue(newDB); // save it.
err = 0;
break;
default: // if they don't send a legal command then it is an error
err = 1;
break;
}
}
// Print IP address of the client (peer) that sent the data and print to terminal
uint32_t peerAddressV4;
peerAddressV4 = (*socket).socket.nx_tcp_socket_connect_ip.nxd_ip_address.v4;
WPRINT_APP_INFO(("%u.%u.%u.%u\t",
(uint8_t)(peerAddressV4 >> 24),
(uint8_t)(peerAddressV4 >> 16),
(uint8_t)(peerAddressV4 >> 8),
(uint8_t)(peerAddressV4 >> 0)));
// Print the port that the peer connected from
uint16_t peerPort;
peerPort = (*socket).socket.nx_tcp_socket_connect_port;
WPRINT_APP_INFO(("%d\t",peerPort));
// Print the data that was sent by the client (peer)
if(err)
{
strcpy(returnMessage,"X");
WPRINT_APP_INFO(("X length=%d\n",available_data_length));
}
else
{
uint32_t count;
linked_list_get_count(&db,&count);
WPRINT_APP_INFO(("%c\t%4X\t%2X\t%4X\t%d\n",commandId,(unsigned int)receive.deviceId,(unsigned int)receive.regId,(unsigned int)receive.value,(int)count));
}
// send response packet
wiced_packet_t* tx_packet;
uint8_t *tx_data;
wiced_packet_create_tcp(socket, strlen(returnMessage), &tx_packet, (uint8_t**)&tx_data, &available_data_length);
memcpy(tx_data, returnMessage, strlen(returnMessage));
wiced_packet_set_data_end(tx_packet, (uint8_t*)&tx_data[strlen(returnMessage)]);
wiced_tcp_send_packet(socket, tx_packet);
wiced_packet_delete(tx_packet);
wiced_tcp_server_disconnect_socket(&tcp_server,socket);
}