/* * Copyright (C) 2015 Freie Universität Berlin * * This file is subject to the terms and conditions of the GNU Lesser * General Public License v2.1. See the file LICENSE in the top level * directory for more details. */ /** * @ingroup examples * @{ * * @file * @brief Example application for demonstrating the RIOT network stack * * @author Hauke Petersen * * @} */ #include #include #include #include #include #include #include #include "periph/gpio.h" #include "board.h" #include "periph_conf.h" #include "net/sock/udp.h" #include "net/gnrc/ipv6.h" #include "net/af.h" #include "net/sixlowpan.h" #include "net/gnrc/pktdump.h" #include "shell.h" #include "shell_commands.h" #include "msg.h" #include "thread.h" #include "sched.h" #include "thread.h" #include "kernel_types.h" #include "net/netstats.h" #include "net/ipv6/addr.h" #include "periph/timer.h" #include "net/gnrc/ipv6/netif.h" #include "net/gnrc/netif.h" #include "net/gnrc/netapi.h" #include "net/netopt.h" #include "net/gnrc/pkt.h" #include "net/gnrc/pktbuf.h" #include "net/gnrc/netif/hdr.h" #include "net/gnrc/sixlowpan/netif.h" #include "net/fib.h" #include "net/gnrc/udp.h" #include "periph/pwm.h" #include "od.h" #include "net/sntp.h" #include "net/ntp_packet.h" #include "net/gnrc/rpl.h" #include "net/gnrc/rpl/structs.h" #include "net/gnrc/rpl/dodag.h" #include "utlist.h" #include "trickle.h" #ifdef MODULE_SCHEDSTATISTICS #include "xtimer.h" #endif #ifdef MODULE_TLSF #include "tlsf.h" #endif #define MAIN_QUEUE_SIZE (8) /** * @brief The maximal expected link layer address length in byte */ #define MAX_ADDR_LEN (8U) /** * @brief The default IPv6 prefix length if not specified. */ #define SC_NETIF_IPV6_DEFAULT_PREFIX_LEN (64) #define _STACKSIZE (THREAD_STACKSIZE_DEFAULT + THREAD_EXTRA_STACKSIZE_PRINTF) #define MSG_TYPE_ISR (0x3456) char sock_server_stack[THREAD_STACKSIZE_MAIN]; char sock_client_stack[THREAD_STACKSIZE_MAIN]; kernel_pid_t server, client; sock_udp_ep_t local = SOCK_IPV6_EP_ANY; sock_udp_t sock; int start, end; uint8_t buf[124]; /***************** RPL functions *****************/ int crea_rpl_dodag_root(uint8_t instance_id, ipv6_addr_t dodag_id) { gnrc_rpl_instance_t *inst = NULL; inst = gnrc_rpl_root_init(instance_id, &dodag_id, false, false); if (inst == NULL) { char addr_str[IPV6_ADDR_MAX_STR_LEN]; printf("error: could not add DODAG (%s) to instance (%d)\n", ipv6_addr_to_str(addr_str, &dodag_id, sizeof(addr_str)), instance_id); return 1; } printf("successfully added a new RPL DODAG\n"); return 0; } /***************** /RPL functions ****************/ void *sock_server_thread(void *arg) { (void) arg; local.port = 1234; if (sock_udp_create(&sock, &local, NULL, 0) < 0) { puts("Error creating UDP sock"); return NULL; } while (1) { sock_udp_ep_t remote; ssize_t res; if ((res = sock_udp_recv(&sock, buf, sizeof(buf),SOCK_NO_TIMEOUT ,&remote)) >= 0) { if (sock_udp_send(&sock,buf, sizeof(buf), &remote) < 0) { puts("Error sending reply"); } } else { puts("Waiting packet..."); } } return NULL; } void *sock_client_thread(void *arg) { (void) arg; ssize_t res; sock_udp_ep_t remote = { .family = AF_INET6 }; remote.port = 1234; remote.addr.ipv6[0] = 0xba; remote.addr.ipv6[1] = 0xad; remote.addr.ipv6[2] = 0xa5; remote.addr.ipv6[3] = 0x55; remote.addr.ipv6[14] = 0x17; remote.addr.ipv6[15] = 0x36; while (1) { start = xtimer_now_usec(); if (sock_udp_send(&sock,"go", sizeof("go"), &remote) < 0) { puts("Error sending message"); } if ((res = sock_udp_recv(&sock, buf, sizeof(buf),1 * US_PER_SEC,NULL)) < 0) { if (res == -ETIMEDOUT) { puts("Timedout"); } else { puts("Error receiving message"); } } else{ end = xtimer_now_usec(); //calculate and print rtt printf("RTT = %i ms\n",(end-start)/1000); } xtimer_sleep(1); } return NULL; } static void _init_interface(void) { kernel_pid_t ifs[GNRC_NETIF_NUMOF]; ipv6_addr_t addr = IPV6_ADDR_UNSPECIFIED; ipv6_addr_t tmp_addr= IPV6_ADDR_UNSPECIFIED; uint8_t hwaddr[MAX_ADDR_LEN]; int res; gnrc_netif_get(ifs); //addresses gobales addr.u8[0] = 0xba; addr.u8[1] = 0xad; addr.u8[2] = 0xa5; addr.u8[3] = 0x55; res = gnrc_netapi_get(ifs[0], NETOPT_ADDRESS, 0, hwaddr, sizeof(hwaddr)); if (res >= 0) { addr.u8[14] = *hwaddr; addr.u8[15] = *(hwaddr+1); } memcpy(tmp_addr.u8,addr.u8,IPV6_ADDR_BIT_LEN); gnrc_ipv6_netif_add_addr(ifs[0], &addr, 64, GNRC_IPV6_NETIF_ADDR_FLAGS_UNICAST); /* model ipv6 addr: dead:beef::Hwaddr */ if((addr.u8[14]==0x17)&&(addr.u8[15]==0x02)){ crea_rpl_dodag_root(1, addr); client=thread_create(sock_client_stack,sizeof(sock_client_stack),8,THREAD_CREATE_STACKTEST,sock_client_thread,NULL,"sock_client_thread"); }else if((addr.u8[14]==0x17)&&(addr.u8[15]==0x36)){ server=thread_create(sock_server_stack,sizeof(sock_server_stack),6,THREAD_CREATE_STACKTEST,sock_server_thread,NULL,"sock_server_thread"); }else{ puts("new node ?"); } } static msg_t _main_msg_queue[MAIN_QUEUE_SIZE]; static const shell_command_t shell_commands[] = { { NULL, NULL, NULL } }; int main(void) { msg_init_queue(_main_msg_queue, MAIN_QUEUE_SIZE); puts("RIOT network stack example application"); _init_interface(); /* start shell */ puts("All up, running the shell now"); char line_buf[SHELL_DEFAULT_BUFSIZE]; shell_run(shell_commands, line_buf, SHELL_DEFAULT_BUFSIZE); /* should be never reached */ return 0; }