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[Assigner] Bugs fixed in handling mac addresses. Some other adjustments in Assigner module

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This commit is contained in:
Daniela 2019-04-14 18:24:52 +02:00
parent 61e2f9f6d0
commit 6c01ac8d38
3 changed files with 119 additions and 179 deletions
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186
project/Assigner/assigner.c
View File

@ -11,171 +11,53 @@
#include "os/dev/serial-line.h"
#include "arch/cpu/cc26x0-cc13x0/dev/cc26xx-uart.h"
#include "../msg.h"
#include "../common/supermarket_net.h"
#include "assigner_fun.h"
#define LOG_MODULE "App"
#define LOG_MODULE "Assigner"
#define LOG_LEVEL LOG_LEVEL_INFO
#define OPENING_PERIOD (300*CLOCK_SECOND)
#define OPENING_PERIOD (30*CLOCK_SECOND)
/*typedef struct cart
{
linkaddr_t* cart_address;
uint8_t battery_status;
bool assigned;
uint32_t customer_id;
struct cart *next;
}cart;*/
/*typedef struct assigner_msg
{
enum message_type msg_type;
//assoc_req_msg request;
//assoc_reply_msg reply;
uint8_t battery_percentage;
uint32_t customer_id;
}assigner_msg;
*/
PROCESS(assigner_process, "Assigner process");
AUTOSTART_PROCESSES(&assigner_process);
cart* cart_list = NULL;
static bool supermarket_open = true;
/*
//function invoked in order to looking for the most charged cart to assign to the new arrived client
static cart* cart_selection()
{
uint8_t highest_battery = 0;
cart* selected = NULL;
cart* current = cart_list;
while(current)
{
if(!current->assigned && current->battery_status > highest_battery)
{
highest_battery = current->battery_status;
selected = current;
}
current = current->next;
}
return selected;
}
cart *cart_list = NULL;
bool supermarket_open = true;
//Insert a new cart in the list with the battery info just arrived
static bool insert_cart(uint8_t new_req_battery, linkaddr_t* mac_cart_addr)
{
cart* new_arrived_cart = (cart*)malloc(sizeof(cart));
if(new_arrived_cart==NULL)
{
printf("Association Failed");
return false;
}
else
{
new_arrived_cart->cart_address = mac_cart_addr;
new_arrived_cart->battery_status = new_req_battery;
new_arrived_cart->assigned = false;
new_arrived_cart->next = cart_list;
cart_list = new_arrived_cart;
}
return true;
}
//Upgrade the battery status of a cart
static bool bat_upgrade(linkaddr_t* src_cart_addr, uint8_t battery_level)
{
cart* c = cart_list;
//for(c; c && (c->cart_address != src_cart_addr); c = c->next);
while(c)
{
if(c->cart_address != src_cart_addr)
c = c->next;
else
break;
}
if(!c)
{
LOG_INFO("Cart not associated yet!\n");
return false;
}
c->battery_status = battery_level;
c->assigned = false; //a battery status is sent only when the cart is in his place, not with a client. So if the cart was out and the the battery status is received, it is now come back in place.
return true;
}
*/
//Handle the incoming messages, according to the msg_type
static void input_callback(const void* data, uint16_t len, const linkaddr_t* source_address, const linkaddr_t* destination_address)
static void msg_recv(const void* data, uint16_t len, const linkaddr_t* source_address, const linkaddr_t* destination_address)
{
a_msg received_msg;
linkaddr_t* src = (linkaddr_t*)source_address;
linkaddr_t src = *source_address;
//if(len == sizeof((a_msg *)data))
memcpy (&received_msg, data, sizeof ((a_msg *)data));
LOG_INFO("Received data from: ");
LOG_INFO_LLADDR(source_address);
LOG_INFO("\n");
LOG_INFO_LLADDR(&src);
printf("\n");
if(received_msg.msg_type == ASSOCIATION_REQUEST_MSG)
enum message_type type = ((msg*)data)->msg_type;
switch(type)
{
//accendere led blu (x mes broadcast)
if(insert_cart(received_msg.battery_percentage, src))
{
a_msg notification;
notification.msg_type = ASSOCIATION_REPLY_MSG;
LOG_INFO("Sending acknowledgment of successfull association\n");
nullnet_buf = (uint8_t*)&notification;
nullnet_len = sizeof(notification);
NETSTACK_NETWORK.output(src);
}
LOG_INFO("New cart associated\n");
}
if(received_msg.msg_type == BATTERY_STATUS_MSG)
{
//accendere led purple (mex unicast)
if(bat_upgrade(src, received_msg.battery_percentage))
{
LOG_INFO("Battery level upgraded of ");
LOG_INFO_LLADDR(src);
LOG_INFO("\n");
}
case ASSOCIATION_REQUEST_MSG:
handle_association_request(src,data);
break;
case BATTERY_STATUS_MSG:
handle_battery_msg(src,data);
break;
default:
printf("Invalide type! This message is not for the Assigner");
break;
}
}
//callback function for the ctimer that checks if all the carts have been replaced when the supermarket close
void check(void *ptr)
{
supermarket_open = !supermarket_open;
if(!supermarket_open)
{
printf("Supermarket closed\n");
cart* c = cart_list;
while(c)
{
if(c->assigned)
printf("Customer id %d hasn't replaced his cart\n", (int)c->customer_id);
c = c->next;
}
}
else
printf("Supermarket is open!\n");
process_poll(&assigner_process);
}
PROCESS_THREAD(assigner_process, ev, data)
{
static uint8_t customer_id;
static a_msg selection_msg;
linkaddr_t* dest_addr;
static uint32_t customer_id;
static assign_msg selection_msg;
linkaddr_t dest_addr;
static struct ctimer opening_timer;
PROCESS_BEGIN();
@ -183,11 +65,12 @@ PROCESS_THREAD(assigner_process, ev, data)
cc26xx_uart_set_input(serial_line_input_byte);
serial_line_init();
nullnet_set_input_callback(input_callback);
nullnet_set_input_callback(msg_recv);
ctimer_set(&opening_timer, OPENING_PERIOD, check, NULL);
printf("Supermarket is open!\n");
leds_on(LEDS_GREEN);
printf("Welcome! Please, insert your card id\n");
while (true)
@ -198,39 +81,44 @@ PROCESS_THREAD(assigner_process, ev, data)
if(!supermarket_open)
{
printf("Supermarket is closed! Please, come back tomorrow!\n");
leds_on(LEDS_RED);
//leds_on(LEDS_RED);
}
else
{
printf("Customer's id: %s\n", (char*)data);
customer_id = atoi(data);
printf("id: %d\n", (int)customer_id);
//printf("id: %lu\n", (uint32_t)customer_id);
cart* cart_selected = cart_selection();
if(!cart_selected)
{
printf("No cart available!\n");
leds_on(LEDS_RED);
//leds_on(LEDS_RED);
}
else
{
cart_selected->assigned = true;
cart_selected->customer_id = customer_id;
cart_selected->customer_id = (uint32_t)customer_id;
//send a notification to the selected cart with the associated customer id
//send a notification to selected cart with the associated customer id
selection_msg.msg_type = ASSIGNMENT_MSG;
selection_msg.customer_id = customer_id;
dest_addr = cart_selected->cart_address;
LOG_INFO("Selected cart with address: ");
LOG_INFO_LLADDR(&dest_addr);
printf("\n");
nullnet_buf = (uint8_t*)&selection_msg;
nullnet_len = sizeof(selection_msg);
NETSTACK_NETWORK.output(dest_addr);
NETSTACK_NETWORK.output(&dest_addr);
printf("Cart unblocked!\n");
leds_on(LEDS_GREEN);
//leds_on(LEDS_GREEN);
}
}
}

81
project/Assigner/assigner_fun.c
View File

@ -2,26 +2,18 @@
#include "net/netstack.h"
#include "net/nullnet/nullnet.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "sys/log.h"
#include "sys/clock.h"
#include "sys/ctimer.h"
#include "os/dev/leds.h"
#include "os/dev/serial-line.h"
#include "arch/cpu/cc26x0-cc13x0/dev/cc26xx-uart.h"
#include "../msg.h"
#include "../common/supermarket_net.h"
#include "assigner_fun.h"
#define LOG_MODULE "App"
#define LOG_LEVEL LOG_LEVEL_INFO
extern cart* cart_list;
//struct cart cart;
//function invoked in order to looking for the most charged cart to assign to the new arrived client
//function invoked in order to look for the most charged cart to assign to the new arrived client
cart* cart_selection()
{
uint8_t highest_battery = 0;
@ -29,7 +21,7 @@ cart* cart_selection()
cart* current = cart_list;
while(current)
{
if(!current->assigned && current->battery_status > highest_battery)
if(!(current->assigned) && (current->battery_status > highest_battery))
{
highest_battery = current->battery_status;
selected = current;
@ -40,7 +32,7 @@ cart* cart_selection()
}
//Insert a new cart in the list with the battery info just arrived
bool insert_cart(uint8_t new_req_battery, linkaddr_t* mac_cart_addr)
bool insert_cart(uint8_t new_req_battery, linkaddr_t mac_cart_addr)
{
cart* new_arrived_cart = (cart*)malloc(sizeof(cart));
if(new_arrived_cart==NULL)
@ -55,18 +47,21 @@ bool insert_cart(uint8_t new_req_battery, linkaddr_t* mac_cart_addr)
new_arrived_cart->assigned = false;
new_arrived_cart->next = cart_list;
cart_list = new_arrived_cart;
LOG_INFO("Nuovo carrello inserito con mac_address: ");
LOG_INFO_LLADDR(&(new_arrived_cart->cart_address));
printf("\n");
}
return true;
}
//Upgrade the battery status of a cart
bool bat_upgrade(linkaddr_t* src_cart_addr, uint8_t battery_level)
bool bat_update(linkaddr_t src_cart_addr, uint8_t battery_level)
{
cart* c = cart_list;
//for(c; c && (c->cart_address != src_cart_addr); c = c->next);
//looking for cart->address = address of who sent the message with the battery
while(c)
{
if(c->cart_address != src_cart_addr)
if(linkaddr_cmp(&c->cart_address,&src_cart_addr) == 0)
c = c->next;
else
break;
@ -81,5 +76,61 @@ bool bat_upgrade(linkaddr_t* src_cart_addr, uint8_t battery_level)
return true;
}
void handle_association_request(linkaddr_t src, const void* data)
{
//turn on the led for association msg received
assoc_req_msg ar_msg;
memcpy (&ar_msg, data, sizeof ((assoc_req_msg *)data));
if(insert_cart(ar_msg.battery_percentage, src))
{
assoc_reply_msg notification;
notification.msg_type = ASSOCIATION_REPLY_MSG;
LOG_INFO("\n");
LOG_INFO("Sending acknowledgment of successfull association\n");
nullnet_buf = (uint8_t*)&notification;
nullnet_len = sizeof(notification);
NETSTACK_NETWORK.output(&src);
}
LOG_INFO("New cart associated\n");
}
void handle_battery_msg(linkaddr_t src, const void* data)
{
//turn on the led for battery msg received
battery_msg bt_msg;
memcpy (&bt_msg, data, sizeof ((battery_msg *)data));
if(bat_update(src, bt_msg.battery_percentage))
{
LOG_INFO("Battery level upgraded of ");
LOG_INFO_LLADDR(&src);
printf("\n");
printf("Battery: %d\n", bt_msg.battery_percentage);
}
}
//callback function for the ctimer that checks if all the carts have been replaced when the supermarket close
void check(void *ptr)
{
supermarket_open = !supermarket_open;
leds_toggle(LEDS_ALL);
if(!supermarket_open)
{
printf("Supermarket is closed!\n");
cart* c = cart_list;
//the assigner checks if all the carts are back in their place or are still out
while(c)
{
if(c->assigned)
printf("Customer id %d hasn't replaced his cart\n", (int)c->customer_id);
c = c->next;
}
}
else
printf("Supermarket is open!\n");
process_poll(&assigner_process);
}

21
project/Assigner/assigner_fun.h
View File

@ -5,23 +5,24 @@
#include <string.h>
#include <stdlib.h>
#include "sys/log.h"
#include "sys/clock.h"
#include "sys/ctimer.h"
#include "os/dev/leds.h"
#include "os/dev/serial-line.h"
#include "arch/cpu/cc26x0-cc13x0/dev/cc26xx-uart.h"
typedef struct cart
{
linkaddr_t* cart_address;
linkaddr_t cart_address;
uint8_t battery_status;
bool assigned;
uint32_t customer_id;
struct cart *next;
}cart;
extern bool supermarket_open;
extern cart* cart_list;
extern struct process assigner_process;
cart* cart_selection();
bool insert_cart(uint8_t new_req_battery, linkaddr_t* mac_cart_addr);
bool bat_upgrade(linkaddr_t* src_cart_addr, uint8_t battery_level);
//static void input_callback(const void* data, uint16_t len, const linkaddr_t* source_address, const linkaddr_t* destination_address);
//void check(void *ptr);
bool insert_cart(uint8_t new_req_battery, linkaddr_t mac_cart_addr);
bool bat_update(linkaddr_t src_cart_addr, uint8_t battery_level);
void handle_association_request(linkaddr_t src, const void* data);
void handle_battery_msg(linkaddr_t src, const void* data);
void check(void *ptr);