/** * 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); }