tests: add application for release specs 6
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Martine Lenders
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41
tests/gnrc_udp/Makefile
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41
tests/gnrc_udp/Makefile
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# name of your application
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APPLICATION = gnrc_udp
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include ../Makefile.tests_common
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BOARD_INSUFFICIENT_MEMORY := calliope-mini chronos microbit msb-430 msb-430h \
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nucleo32-f031 nucleo32-f042 nucleo32-f303 nucleo32-l031 \
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nucleo-f030 nucleo-f070 nucleo-f072 nucleo-f103 nucleo-f302 \
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nucleo-f334 nucleo-l053 spark-core stm32f0discovery telosb \
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weio wsn430-v1_3b wsn430-v1_4 z1
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USEMODULE += gnrc_netdev_default
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USEMODULE += auto_init_gnrc_netif
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USEMODULE += gnrc_ipv6_router_default
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USEMODULE += gnrc_udp
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USEMODULE += gnrc_rpl
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USEMODULE += auto_init_gnrc_rpl
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USEMODULE += od
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USEMODULE += gnrc_icmpv6_echo
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USEMODULE += shell
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USEMODULE += shell_commands
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USEMODULE += ps
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USEMODULE += netstats_l2
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USEMODULE += netstats_ipv6
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CFLAGS += -DDEVELHELP
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include $(RIOTBASE)/Makefile.include
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# Set a custom channel if needed
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ifneq (,$(filter cc110x,$(USEMODULE))) # radio is cc110x sub-GHz
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DEFAULT_CHANNEL ?= 0
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CFLAGS += -DCC110X_DEFAULT_CHANNEL=$(DEFAULT_CHANNEL)
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else
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ifneq (,$(filter at86rf212b,$(USEMODULE))) # radio is IEEE 802.15.4 sub-GHz
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DEFAULT_CHANNEL ?= 5
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FLAGS += -DIEEE802154_DEFAULT_SUBGHZ_CHANNEL=$(DEFAULT_CHANNEL)
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else # radio is IEEE 802.15.4 2.4 GHz
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DEFAULT_CHANNEL ?= 26
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CFLAGS += -DIEEE802154_DEFAULT_CHANNEL=$(DEFAULT_CHANNEL)
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endif
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endif
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11
tests/gnrc_udp/README.md
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11
tests/gnrc_udp/README.md
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UDP test
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========
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This test is largely based on the [`gnrc_networking`][1] example but uses a
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modified `udp` command: Instead of providing data in a string format a number of
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bytes is given. A packet of that size is then send, its content consisting of an
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incrementing repeating byte.
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The server is also modified as it outputs the number of currently received
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packets when a new packet is received instead of the content of the new packet.
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This counter can be reset using `udp reset`
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[1]: https://github.com/RIOT-OS/RIOT/tree/master/examples/gnrc_networking
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45
tests/gnrc_udp/main.c
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45
tests/gnrc_udp/main.c
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/*
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* Copyright (C) 2015-17 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup tests
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* @{
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*
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* @file
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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* @author Martine Lenders <m.lenders@fu-berlin.de>
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*
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* @}
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*/
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#include <stdio.h>
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#include "shell.h"
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#include "msg.h"
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#define MAIN_QUEUE_SIZE (8)
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static msg_t _main_msg_queue[MAIN_QUEUE_SIZE];
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extern int udp_cmd(int argc, char **argv);
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static const shell_command_t shell_commands[] = {
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{ "udp", "send data over UDP and listen on UDP ports", udp_cmd },
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{ NULL, NULL, NULL }
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};
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int main(void)
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{
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msg_init_queue(_main_msg_queue, MAIN_QUEUE_SIZE);
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char line_buf[SHELL_DEFAULT_BUFSIZE];
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shell_run(shell_commands, line_buf, SHELL_DEFAULT_BUFSIZE);
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/* should be never reached */
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return 0;
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}
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239
tests/gnrc_udp/udp.c
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239
tests/gnrc_udp/udp.c
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/*
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* Copyright (C) 2017 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup tests
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* @{
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*
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* @file
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*
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* @author Martine Lenders <m.lenders@fu-berlin.de>
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* @}
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*/
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#include <stdio.h>
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#include <inttypes.h>
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#include "msg.h"
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#include "net/gnrc.h"
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#include "net/gnrc/ipv6.h"
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#include "net/gnrc/udp.h"
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#include "net/gnrc/pktdump.h"
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#include "timex.h"
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#include "xtimer.h"
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#define SERVER_MSG_QUEUE_SIZE (8U)
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#define SERVER_PRIO (THREAD_PRIORITY_MAIN - 1)
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#define SERVER_STACKSIZE (THREAD_STACKSIZE_MAIN)
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#define SERVER_RESET (0x8fae)
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static gnrc_netreg_entry_t server = GNRC_NETREG_ENTRY_INIT_PID(0, KERNEL_PID_UNDEF);
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static char server_stack[SERVER_STACKSIZE];
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static msg_t server_queue[SERVER_MSG_QUEUE_SIZE];
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static kernel_pid_t server_pid = KERNEL_PID_UNDEF;
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static uint8_t send_count = 0;
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static void *_eventloop(void *arg)
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{
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(void)arg;
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msg_t msg, reply;
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unsigned int rcv_count = 0;
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/* setup the message queue */
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msg_init_queue(server_queue, SERVER_MSG_QUEUE_SIZE);
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reply.content.value = (uint32_t)(-ENOTSUP);
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reply.type = GNRC_NETAPI_MSG_TYPE_ACK;
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while (1) {
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msg_receive(&msg);
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switch (msg.type) {
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case GNRC_NETAPI_MSG_TYPE_RCV:
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printf("Packets received: %d\n", ++rcv_count);
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gnrc_pktbuf_release(msg.content.ptr);
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break;
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case GNRC_NETAPI_MSG_TYPE_GET:
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case GNRC_NETAPI_MSG_TYPE_SET:
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msg_reply(&msg, &reply);
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break;
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case SERVER_RESET:
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rcv_count = 0;
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break;
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default:
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break;
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}
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}
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/* never reached */
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return NULL;
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}
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static void send(char *addr_str, char *port_str, char *data_len_str, unsigned int num,
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unsigned int delay)
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{
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uint16_t port;
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ipv6_addr_t addr;
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size_t data_len;
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/* parse destination address */
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if (ipv6_addr_from_str(&addr, addr_str) == NULL) {
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puts("Error: unable to parse destination address");
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return;
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}
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/* parse port */
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port = atoi(port_str);
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if (port == 0) {
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puts("Error: unable to parse destination port");
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return;
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}
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data_len = atoi(data_len_str);
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if (data_len == 0) {
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puts("Error: unable to parse data_len");
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return;
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}
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for (unsigned int i = 0; i < num; i++) {
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gnrc_pktsnip_t *payload, *udp, *ip;
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/* allocate payload */
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payload = gnrc_pktbuf_add(NULL, NULL, data_len, GNRC_NETTYPE_UNDEF);
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if (payload == NULL) {
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puts("Error: unable to copy data to packet buffer");
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return;
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}
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memset(payload->data, send_count++, data_len);
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/* allocate UDP header, set source port := destination port */
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udp = gnrc_udp_hdr_build(payload, port, port);
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if (udp == NULL) {
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puts("Error: unable to allocate UDP header");
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gnrc_pktbuf_release(payload);
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return;
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}
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/* allocate IPv6 header */
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ip = gnrc_ipv6_hdr_build(udp, NULL, &addr);
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if (ip == NULL) {
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puts("Error: unable to allocate IPv6 header");
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gnrc_pktbuf_release(udp);
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return;
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}
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/* send packet */
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if (!gnrc_netapi_dispatch_send(GNRC_NETTYPE_UDP, GNRC_NETREG_DEMUX_CTX_ALL, ip)) {
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puts("Error: unable to locate UDP thread");
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gnrc_pktbuf_release(ip);
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return;
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}
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/* access to `payload` was implicitly given up with the send operation above
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* => use original variable for output */
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printf("Success: send %u byte to [%s]:%u\n", (unsigned)data_len, addr_str,
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port);
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xtimer_usleep(delay);
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}
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}
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static void start_server(char *port_str)
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{
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uint16_t port;
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/* check if server is already running */
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if (server.target.pid != KERNEL_PID_UNDEF) {
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printf("Error: server already running on port %" PRIu32 "\n",
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server.demux_ctx);
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return;
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}
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/* parse port */
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port = atoi(port_str);
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if (port == 0) {
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puts("Error: invalid port specified");
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return;
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}
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if (server_pid <= KERNEL_PID_UNDEF) {
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server_pid = thread_create(server_stack, sizeof(server_stack), SERVER_PRIO,
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THREAD_CREATE_STACKTEST, _eventloop, NULL, "UDP server");
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if (server_pid <= KERNEL_PID_UNDEF) {
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puts("Error: can not start server thread");
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return;
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}
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}
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/* start server (which means registering pktdump for the chosen port) */
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gnrc_netreg_entry_init_pid(&server, port, server_pid);
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gnrc_netreg_register(GNRC_NETTYPE_UDP, &server);
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printf("Success: started UDP server on port %" PRIu16 "\n", port);
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}
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static void stop_server(void)
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{
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msg_t msg = { .type = SERVER_RESET };
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/* check if server is running at all */
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if (server.target.pid == KERNEL_PID_UNDEF) {
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printf("Error: server was not running\n");
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return;
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}
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/* reset server state */
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msg_send(&msg, server.target.pid);
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/* stop server */
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gnrc_netreg_unregister(GNRC_NETTYPE_UDP, &server);
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gnrc_netreg_entry_init_pid(&server, 0, KERNEL_PID_UNDEF);
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puts("Success: stopped UDP server");
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}
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int udp_cmd(int argc, char **argv)
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{
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if (argc < 2) {
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printf("usage: %s [send|server|reset]\n", argv[0]);
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return 1;
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}
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if (strcmp(argv[1], "send") == 0) {
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uint32_t num = 1;
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uint32_t delay = 1000000LU;
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if (argc < 5) {
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printf("usage: %s send <addr> <port> <bytes> [<num> [<delay in us>]]\n",
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argv[0]);
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return 1;
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}
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if (argc > 5) {
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num = atoi(argv[5]);
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}
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if (argc > 6) {
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delay = atoi(argv[6]);
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}
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send(argv[2], argv[3], argv[4], num, delay);
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}
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else if (strcmp(argv[1], "server") == 0) {
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if (argc < 3) {
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printf("usage: %s server [start|stop]\n", argv[0]);
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return 1;
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}
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if (strcmp(argv[2], "start") == 0) {
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if (argc < 4) {
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printf("usage %s server start <port>\n", argv[0]);
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return 1;
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}
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start_server(argv[3]);
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}
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else if (strcmp(argv[2], "stop") == 0) {
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stop_server();
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}
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else {
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puts("error: invalid command");
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}
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}
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else if (strcmp(argv[1], "reset") == 0) {
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if (server_pid > KERNEL_PID_UNDEF) {
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msg_t msg = { .type = SERVER_RESET };
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msg_send(&msg, server_pid);
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send_count = (uint8_t)0;
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}
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}
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else {
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puts("error: invalid command");
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}
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return 0;
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}
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