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/*
* Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
*
* 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.
*/
/**
* @{
*
* @file
*/
#include <errno.h>
#include <string.h>
#include "msg.h"
#include "mutex.h"
#include "net/gnrc/netapi.h"
#include "net/gnrc/netif.h"
#include "net/netopt.h"
#include "net/gnrc/netreg.h"
#include "net/gnrc/pktbuf.h"
#include "thread.h"
#include "xtimer.h"
#include "net/gnrc/nettest.h"
static gnrc_nettest_opt_cbs_t _opt_cbs[NETOPT_NUMOF];
static mutex_t _mutex = MUTEX_INIT;
static kernel_pid_t _pid = KERNEL_PID_UNDEF;
static char _stack[GNRC_NETTEST_STACK_SIZE];
static void *_event_loop(void *arg);
void gnrc_nettest_register_get(netopt_t opt, gnrc_nettest_opt_cb_t cb)
{
mutex_lock(&_mutex);
_opt_cbs[opt].get = cb;
mutex_unlock(&_mutex);
}
void gnrc_nettest_register_set(netopt_t opt, gnrc_nettest_opt_cb_t cb)
{
mutex_lock(&_mutex);
_opt_cbs[opt].set = cb;
mutex_unlock(&_mutex);
}
static gnrc_nettest_res_t _pkt_test(uint16_t cmd_type, kernel_pid_t pid,
gnrc_pktsnip_t *in, unsigned int exp_pkts,
const kernel_pid_t *exp_senders,
const gnrc_pktsnip_t **exp_out)
{
msg_t msg;
gnrc_nettest_res_t res = GNRC_NETTEST_SUCCESS;
msg.type = cmd_type;
msg.content.ptr = in;
msg_send(&msg, pid);
if (exp_pkts == 0) {
thread_yield();
}
for (unsigned int i = 0; i < exp_pkts; i++) {
gnrc_pktsnip_t *out;
const gnrc_pktsnip_t *exp = exp_out[i];
if (xtimer_msg_receive_timeout(&msg, GNRC_NETTEST_TIMEOUT) < 0) {
return GNRC_NETTEST_TIMED_OUT;
}
if (msg.type != cmd_type) {
return GNRC_NETTEST_WRONG_MSG;
}
if (msg.sender_pid != exp_senders[i]) {
return GNRC_NETTEST_WRONG_SENDER;
}
out = msg.content.ptr;
if (out == NULL) {
return GNRC_NETTEST_FAIL;
}
while (out && exp) {
if ((out->users != exp->users) ||
(out->size != exp->size) ||
(out->type != exp->type) ||
(memcmp(out->data, exp->data, out->size) != 0)) {
return GNRC_NETTEST_FAIL;
}
out = out->next;
exp = exp->next;
}
gnrc_pktbuf_release(msg.content.ptr);
}
return res;
}
gnrc_nettest_res_t gnrc_nettest_send(kernel_pid_t pid, gnrc_pktsnip_t *in,
unsigned int exp_pkts,
const kernel_pid_t *exp_senders,
const gnrc_pktsnip_t **exp_out,
gnrc_nettype_t exp_type, uint32_t exp_demux_ctx)
{
gnrc_netreg_entry_t reg_entry = GNRC_NETREG_ENTRY_INIT_PID(exp_demux_ctx,
sched_active_pid);
gnrc_nettest_res_t res;
gnrc_netreg_register(exp_type, ®_entry);
res = _pkt_test(GNRC_NETAPI_MSG_TYPE_SND, pid, in, exp_pkts, exp_senders,
exp_out);
gnrc_netreg_unregister(exp_type, ®_entry);
return res;
}
gnrc_nettest_res_t gnrc_nettest_send_iface(kernel_pid_t pid, gnrc_pktsnip_t *in,
unsigned int exp_pkts,
const kernel_pid_t *exp_senders,
const gnrc_pktsnip_t **exp_out)
{
gnrc_nettest_res_t res;
gnrc_netif_add(thread_getpid());
res = _pkt_test(GNRC_NETAPI_MSG_TYPE_SND, pid, in, exp_pkts, exp_senders,
exp_out);
gnrc_netif_remove(thread_getpid());
return res;
}
gnrc_nettest_res_t gnrc_nettest_receive(kernel_pid_t pid, gnrc_pktsnip_t *in,
unsigned int exp_pkts,
const kernel_pid_t *exp_senders,
const gnrc_pktsnip_t **exp_out,
gnrc_nettype_t exp_type, uint32_t exp_demux_ctx)
{
gnrc_netreg_entry_t reg_entry = GNRC_NETREG_ENTRY_INIT_PID(exp_demux_ctx,
sched_active_pid);
gnrc_nettest_res_t res;
gnrc_netreg_register(exp_type, ®_entry);
res = _pkt_test(GNRC_NETAPI_MSG_TYPE_RCV, pid, in, exp_pkts, exp_senders,
exp_out);
gnrc_netreg_unregister(exp_type, ®_entry);
return res;
}
gnrc_nettest_res_t gnrc_nettest_get(kernel_pid_t pid, netopt_t opt,
uint16_t context, void *data, size_t data_len,
void *exp_data, int exp_res)
{
if ((exp_res != gnrc_netapi_get(pid, opt, context, data, data_len)) ||
((exp_res > 0) && (memcpy(exp_data, data, exp_res)))) {
return GNRC_NETTEST_FAIL;
}
return GNRC_NETTEST_SUCCESS;
}
gnrc_nettest_res_t gnrc_nettest_set(kernel_pid_t pid, netopt_t opt,
uint16_t context, void *data, size_t data_len,
int exp_res)
{
if (exp_res != gnrc_netapi_get(pid, opt, context, data, data_len)) {
return GNRC_NETTEST_FAIL;
}
return GNRC_NETTEST_SUCCESS;
}
int gnrc_nettest_init(void)
{
if (_pid <= KERNEL_PID_UNDEF) {
_pid = thread_create(_stack, sizeof(_stack), GNRC_NETTEST_PRIO,
THREAD_CREATE_STACKTEST,
_event_loop, NULL, "nettest");
}
return _pid;
}
void gnrc_nettest_reset(void)
{
for (int i = 0; i < NETOPT_NUMOF; i++) {
_opt_cbs[i].get = NULL;
_opt_cbs[i].set = NULL;
}
}
static inline uint32_t _get_set_opt(gnrc_nettest_opt_cb_t cb, uint16_t context,
void *data, uint16_t data_len)
{
int res;
mutex_lock(&_mutex);
if (cb != NULL) {
res = cb(context, data, data_len);
}
else {
res = -ENOTSUP;
}
mutex_unlock(&_mutex);
return (uint32_t)res;
}
static void *_event_loop(void *arg)
{
msg_t reply, msg_queue[GNRC_NETTEST_MSG_QUEUE_SIZE];
(void)arg;
msg_init_queue(msg_queue, GNRC_NETTEST_MSG_QUEUE_SIZE);
reply.type = GNRC_NETAPI_MSG_TYPE_ACK;
while (1) {
msg_t msg;
gnrc_netapi_opt_t *opt;
msg_receive(&msg);
switch (msg.type) {
case GNRC_NETAPI_MSG_TYPE_GET:
opt = msg.content.ptr;
reply.content.value = _get_set_opt(_opt_cbs[opt->opt].get,
opt->context, opt->data,
opt->data_len);
break;
case GNRC_NETAPI_MSG_TYPE_SET:
opt = msg.content.ptr;
reply.content.value = _get_set_opt(_opt_cbs[opt->opt].set,
opt->context, opt->data,
opt->data_len);
break;
}
msg_reply(&msg, &reply);
}
return NULL;
}
/** @} */
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