static int mystify_timer(TWidget *wid)
{
if(paused){
return 0;
}
if(polygons.nb_items > nb_polygons){
/* We have too many polygons, we must drop some of them */
fifo_pop(&polygons);
}
if(nb_polygons == polygons.nb_items){
/* We have the good number of polygons, we can safely drop
the last one to add the new one later */
fifo_pop(&polygons);
}
fifo_push(&polygons, &leading_polygon);
/*
* Then we update the leading polygon for the next round acording to
* current move (the move may be altered in case of sreen border
* collision)
*/
polygon_update(&leading_polygon, &move);
change_color();
wid->dirty++;
return 0;
}
int main()
{
FIFO_DATA_TYPE out_val;
fifo_init(&data_in_f, data_in, FIFO_SIZE);
fifo_init(&data_out_f, data_out, FIFO_SIZE);
fifo_push(&data_in_f, 1);
fifo_push(&data_in_f, 2);
fifo_push(&data_in_f, 3);
fifo_push(&data_in_f, 4);
fifo_push(&data_in_f, 5);
if (fifo_pop(&data_in_f, &out_val))
printf("Valore: %d\n", out_val);
if (fifo_pop(&data_in_f, &out_val))
printf("Valore: %d\n", out_val);
if (fifo_pop(&data_in_f, &out_val))
printf("Valore: %d\n", out_val);
if (fifo_pop(&data_in_f, &out_val))
printf("Valore: %d\n", out_val);
if (fifo_pop(&data_in_f, &out_val))
printf("Valore: %d\n", out_val);
//ft_init();
//ft_step();
return 0;
}
static int bch_allocator_thread(void *arg)
{
struct cache *ca = arg;
mutex_lock(&ca->set->bucket_lock);
while (1) {
/*
* First, we pull buckets off of the unused and free_inc lists,
* possibly issue discards to them, then we add the bucket to
* the free list:
*/
while (1) {
long bucket;
if ((!atomic_read(&ca->set->prio_blocked) ||
!CACHE_SYNC(&ca->set->sb)) &&
!fifo_empty(&ca->unused))
fifo_pop(&ca->unused, bucket);
else if (!fifo_empty(&ca->free_inc))
fifo_pop(&ca->free_inc, bucket);
else
break;
if (ca->discard) {
mutex_unlock(&ca->set->bucket_lock);
blkdev_issue_discard(ca->bdev,
bucket_to_sector(ca->set, bucket),
ca->sb.block_size, GFP_KERNEL, 0);
mutex_lock(&ca->set->bucket_lock);
}
allocator_wait(ca, bch_allocator_push(ca, bucket));
wake_up(&ca->set->bucket_wait);
}
/*
* We've run out of free buckets, we need to find some buckets
* we can invalidate. First, invalidate them in memory and add
* them to the free_inc list:
*/
allocator_wait(ca, ca->set->gc_mark_valid &&
(ca->need_save_prio > 64 ||
!ca->invalidate_needs_gc));
invalidate_buckets(ca);
/*
* Now, we write their new gens to disk so we can start writing
* new stuff to them:
*/
allocator_wait(ca, !atomic_read(&ca->set->prio_blocked));
if (CACHE_SYNC(&ca->set->sb) &&
(!fifo_empty(&ca->free_inc) ||
ca->need_save_prio > 64))
bch_prio_write(ca);
}
}
uint32_t alp_parse_length_operand(fifo_t* cmd_fifo) {
uint8_t len = 0;
fifo_pop(cmd_fifo, (uint8_t*)&len, 1);
uint8_t field_len = len >> 6;
if(field_len == 0)
return (uint32_t)len;
uint32_t full_length = (len & 0x3F) << ( 8 * field_len); // mask field length specificier bits and shift before adding other length bytes
fifo_pop(cmd_fifo, (uint8_t*)&full_length, field_len);
return full_length;
}
int main()
{
struct fifo * list = fifo_create_thread_safe_fifo();
int i = 0;
/*pop empty queue*/
fifo_pop(list);
printf("length: %d\n",fifo_length(list));
for(;i<10;i++)
{
fifo_push(list,(void*)i);
}
printf("length: %d\n",fifo_length(list));
for(i=0;i<5;i++)
{
printf("%d\n",(int)fifo_pop(list));
}
printf("length: %d\n",fifo_length(list));
for(i=0;i<2;i++)
{
fifo_push(list,(void*)(i+10));
}
printf("length: %d\n",fifo_length(list));
for(i=0;i<7;i++)
{
printf("%d\n",(int)fifo_pop(list));
}
printf("length: %d\n",fifo_length(list));
for(i=0;i<2;i++)
{
fifo_push(list,(void*)(i+10));
}
printf("length: %d\n",fifo_length(list));
for(i=0;i<2;i++)
{
printf("%d\n",(int)fifo_pop(list));
}
printf("length: %d\n",fifo_length(list));
fifo_delete(list,NULL);
}
static void process_uart_rx_fifo()
{
if(fifo_get_size(&uart_rx_fifo) >= COMMAND_SIZE)
{
uint8_t received_cmd[COMMAND_SIZE];
fifo_pop(&uart_rx_fifo, received_cmd, COMMAND_SIZE);
if(strncmp(received_cmd, COMMAND_CHAN, COMMAND_SIZE) == 0)
{
process_command_chan();
}
else if(strncmp(received_cmd, COMMAND_TRAN, COMMAND_SIZE) == 0)
{
while(fifo_get_size(&uart_rx_fifo) < COMMAND_TRAN_PARAM_SIZE);
char param[COMMAND_TRAN_PARAM_SIZE];
fifo_pop(&uart_rx_fifo, param, COMMAND_TRAN_PARAM_SIZE);
tx_packet_delay_s = atoi(param);
DPRINT("performing TRAN command with %d tx_packet_delay_s\r\n",
tx_packet_delay_s);
stop();
is_mode_rx = false;
current_state = STATE_RUNNING;
sched_post_task(&start);
}
else if(strncmp(received_cmd, COMMAND_RECV, COMMAND_SIZE) == 0)
{
DPRINT("entering RECV mode\r\n");
stop();
is_mode_rx = true;
current_state = STATE_RUNNING;
sched_post_task(&start);
}
else if(strncmp(received_cmd, COMMAND_RSET, COMMAND_SIZE) == 0)
{
DPRINT("resetting...\r\n");
hw_reset();
}
else
{
char err[40];
DPRINT("ERROR invalid command %.4s\n\r", received_cmd);
}
fifo_clear(&uart_rx_fifo);
}
timer_post_task_delay(&process_uart_rx_fifo, TIMER_TICKS_PER_SEC);
}
uint8_t alp_get_expected_response_length(uint8_t* alp_command, uint8_t alp_command_length) {
uint8_t expected_response_length = 0;
fifo_t fifo;
fifo_init_filled(&fifo, alp_command, alp_command_length, alp_command_length + 1);
while(fifo_get_size(&fifo) > 0) {
alp_control_t control;
fifo_pop(&fifo, (uint8_t*)&control.raw, 1);
switch(control.operation) {
case ALP_OP_READ_FILE_DATA:
fifo_skip(&fifo, 1); // skip file ID
alp_parse_length_operand(&fifo); // offset
expected_response_length += alp_parse_length_operand(&fifo);;
break;
case ALP_OP_REQUEST_TAG:
fifo_skip(&fifo, 1); // skip tag ID operand
break;
case ALP_OP_RETURN_FILE_DATA:
case ALP_OP_WRITE_FILE_DATA:
fifo_skip(&fifo, 1); // skip file ID
alp_parse_length_operand(&fifo); // offset
fifo_skip(&fifo, alp_parse_length_operand(&fifo));
break;
case ALP_OP_FORWARD: ;
uint8_t itf_id;
fifo_pop(&fifo, &itf_id, 1);
if(itf_id == ALP_ITF_ID_D7ASP) {
fifo_skip(&fifo, 1); // skip QoS, dormant timeout
d7ap_addressee_ctrl_t addressee_ctrl;
fifo_pop(&fifo, (uint8_t*)&addressee_ctrl.raw, 1);
fifo_skip(&fifo, 2 + alp_addressee_id_length(addressee_ctrl.id_type)); // skip addressee ctrl, access class
// TODO refactor to reuse same logic for parsing and response length counting
}
// other ITFs have no configuration
break;
case ALP_OP_WRITE_FILE_PROPERTIES:
fifo_skip(&fifo, 1 + sizeof(fs_file_header_t)); // skip file ID & header
break;
// TODO other operations
default:
DPRINT("op %i not implemented", control.operation);
assert(false);
}
}
DPRINT("Expected ALP response length=%i", expected_response_length);
return expected_response_length;
}
/**
* Returns data to the pipeline for media processing
*
* Whe our downstream elements need more data, the GST framework sees to
* it that this function is called so we can produce some data to give them.
* For us that means taking data off of the FIFO being fed by the background
* task. If it should be empty, we sit around and wait. Once data does
* arrive, we take it and send it into the pipeline [we return].
*
* \param psrc -> to the element context needing to produce data
* \param offset \todo I don't use this, why?
* \param size \todo I don't use this, why?
* \param buf where the data is to be placed
* \return a GST status showing if we were successful in getting data
* \retval GST_FLOW_OK buffer has been loaded with data
* \retval GST_FLOW_ERROR something bad has happened
*/
static GstFlowReturn
gst_ccnxsrc_create (GstBaseSrc * psrc, /*@unused@ */ guint64 offset,
/*@unused@ */ guint size, GstBuffer ** buf)
{
Gstccnxsrc *me;
gboolean looping = TRUE;
GstBuffer *ans = NULL;
me = GST_CCNXSRC (psrc);
GST_DEBUG ("create called");
while (looping) {
GST_DEBUG ("create looping");
if (fifo_empty (me)) {
msleep (50);
} else {
ans = fifo_pop (me);
looping = FALSE;
}
}
if (ans) {
guint sz;
sz = GST_BUFFER_SIZE (ans);
GST_LOG_OBJECT (me, "got some data %d", sz);
*buf = ans;
} else {
return GST_FLOW_ERROR;
}
GST_DEBUG ("create returning a buffer");
return GST_FLOW_OK;
}
void *consumer(void *arg)
{
int id = (intptr_t) arg;
printf("Consumer Started: %d\n", id);
int sum = 0;
struct timespec t = {0};
while (1) {
int *ii = fifo_pop(fifo);
if (ii == NULL)
break;
sum += *ii;
free(ii);
read(random_fd, &t.tv_nsec, sizeof(t.tv_nsec));
t.tv_nsec &= 0xFFFFFF;
nanosleep(&t, NULL);
}
printf("Consumer finished: %d\n", id);
return (void *)(intptr_t) sum;
}
bool ancs_send_buffered_command() {
if (!command_send_enable && ((millis() - last_command_send) < 1000)) {
return true;
}
uint8_t* buffer;
size_t len = fifo_pop(buffer_commands, &buffer);
if (len == 0) {
return false;
}
uint8_t cmd, aid;
uint32_t uid;
unpack(buffer, "BIB", &cmd, &uid, &aid);
debug_print(F("[ANCS CP] Command sent 0x"));
debug_print(cmd, HEX);
debug_print(F(" for notification #"));
debug_print(uid, DEC);
debug_print(F(" attribute 0x"));
debug_print(aid, HEX);
debug_println();
if (lib_aci_send_data(PIPE_ANCS_CONTROL_POINT_TX_ACK, buffer, len)) {
command_send_enable = false;
last_command_send = millis();
} else {
Serial.print(F("!! Error sending data for notification #"));
Serial.println(uid, DEC);
}
free(buffer);
return true;
}
void alp_parse_action(fifo_t* fifo, alp_action_t* action) {
uint8_t op;
assert(fifo_pop(fifo, &op, 1) == SUCCESS);
bool b6 = (op >> 6) & 1;
bool b7 = op >> 7;
op &= 0x3F; // op is in b5-b0
action->operation = op;
switch(op) {
case ALP_OP_WRITE_FILE_DATA:
parse_op_write_file_data(fifo, action);
break;
case ALP_OP_RETURN_FILE_DATA:
parse_op_return_file_data(fifo, action);
break;
case ALP_OP_RETURN_TAG:
parse_op_return_tag(fifo, action, b6, b7);
break;
case ALP_OP_RETURN_STATUS:
parse_op_return_status(fifo, action, b6, b7);
break;
default:
DPRINT("op %x not implemented", op);
assert(false);
}
DPRINT("parsed action");
}
void progressive_display_add_rect(struct xrdp_screen * self)
{
int i, j;
struct list* update_rects = self->update_rects;
struct update_rect* urect;
struct update_rect* fu_rect;
struct update_rect* ur;
struct xrdp_rect intersection;
struct update_rect* tmp;
struct list* l_tmp = list_create();
l_tmp->auto_free = 1;
bool no_inter = true;
while (!fifo_is_empty(self->candidate_update_rects))
{
fu_rect = (struct update_rect*) fifo_pop(self->candidate_update_rects);
if (update_rects->count > 0)
{
no_inter = true;
for (i = update_rects->count - 1; i >= 0; i--)
{
urect = (struct update_rect*) list_get_item(update_rects, i);
if (!rect_equal(&urect->rect, &fu_rect->rect))
{
if (rect_intersect(&urect->rect, &fu_rect->rect, &intersection))
{
no_inter = false;
progressive_display_rect_union(fu_rect, urect, l_tmp);
list_remove_item(update_rects, i);
for (j = 0; j < l_tmp->count; j++)
{
ur = (struct update_rect*) list_get_item(l_tmp, j);
tmp = (struct update_rect*) g_malloc(sizeof(struct update_rect), 0);
g_memcpy(tmp, ur, sizeof(struct update_rect));
fifo_push(self->candidate_update_rects, tmp);
}
list_clear(l_tmp);
break;
}
}
else
{
no_inter = false;
urect->quality = fu_rect->quality;
urect->quality_already_send = fu_rect->quality_already_send;
break;
}
}
if (no_inter)
{
list_add_progressive_display_rect(update_rects, fu_rect->rect.left, fu_rect->rect.top, fu_rect->rect.right, fu_rect->rect.bottom, fu_rect->quality, fu_rect->quality_already_send);
}
}
else
{
list_add_progressive_display_rect(update_rects, fu_rect->rect.left, fu_rect->rect.top, fu_rect->rect.right, fu_rect->rect.bottom, fu_rect->quality, fu_rect->quality_already_send);
}
}
list_delete(l_tmp);
}
int
fifo_num_rem(struct fifo_list *f, unsigned num, TYPE **data)
{
unsigned count, pos, start, end;
TYPE **ldata;
if (num == 0)
return fifo_pop(f, data);
count = FIFO_COUNT(f);
if (num > count) {
errno = ENOENT;
return -1;
}
pos = (num + f->fifo_start) % f->fifo_size;
start = f->fifo_start;
end = f->fifo_end;
ldata = f->fifo_data;
if (start < pos) {
(void)memmove(ldata + start + 1, ldata + start,
FIFO_DATA_SIZE(pos - start));
f->fifo_start++;
} else {
(void)memmove(ldata + pos, ldata + pos + 1, FIFO_DATA_SIZE(end - pos));
f->fifo_end--;
}
if (FIFO_COUNT(f) < (f->fifo_size / 2))
fifo_decr(f);
return 0;
}
/**
* @brief TIM period elapsed callback
* @param htim: TIM handle
* @retval None
*/
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
if(USBD_CDC_PACKET_SEND_OK == true)
{
USBD_CDC_PACKET_BYTES_COUNT = 0;
for(; USBD_CDC_PACKET_BYTES_COUNT < APP_RX_DATA_SIZE; USBD_CDC_PACKET_BYTES_COUNT++)
{
fifo_pop_return_t data_return = fifo_pop(usb_cdc_dev_tx_fifo);
if(data_return.status == false)
break;
UserTxBuffer[USBD_CDC_PACKET_BYTES_COUNT] = data_return.character;
}
}
if(USBD_CDC_PACKET_BYTES_COUNT == 0)
return;
USBD_CDC_SetTxBuffer(&usb_cdc_dev_param, UserTxBuffer, USBD_CDC_PACKET_BYTES_COUNT);
if(USBD_CDC_TransmitPacket(&usb_cdc_dev_param) == USBD_OK)
{
USBD_CDC_PACKET_SEND_OK = true;
}
else
USBD_CDC_PACKET_SEND_OK = false;
//}
}
/***
* The thread pool has the property that all the threads will keep running until signalled to quit.
* Each thread will call pthread_exit() once it has completed execution of it's current 'task_t'.
*/
void thread_pool_join_all( thread_pool_t *pool ) {
dna_log(DEBUG, "Joining thread pool:");
while ( !fifo_is_empty(pool->thread_queue) ) {
dna_mutex_lock( pool->mutex );
int threadsAreStillRunning = 0;
while ( (threadsAreStillRunning = fifo_any( pool->thread_queue, &thread_context_is_running)) ) {
dna_log(DEBUG, "Some threads are still running...%i", threadsAreStillRunning);
dna_cond_wait( pool->wait, pool->mutex );
}
dna_thread_context_t *context = (dna_thread_context_t*) fifo_pop( pool->thread_queue );
if (context->runstate == RUNNING) {
dna_log(WARN, "context is still running, placing back in the queue.");
fifo_push( pool->thread_queue, context );
}
else {
// if the context is != RUNNING, it's either SHOULD_QUIT or HAS_QUIT
// so we have to rely on the null work we pushed earlier to clear
// any blocks
dna_thread_context_join( context );
dna_thread_context_destroy(context);
}
dna_mutex_unlock( pool->mutex );
}
dna_log(DEBUG, "Thread pool joined.");
}
//in: linda_ud key mincount [maxcount]
int keepercall_receive_batched( lua_State* L)
{
int const min_count = (int) lua_tointeger( L, 3);
if( min_count > 0)
{
keeper_fifo* fifo;
int const max_count = (int) luaL_optinteger( L, 4, min_count);
lua_settop( L, 2); // ud key
lua_insert( L, 1); // key ud
push_table( L, 2); // key ud fifos
lua_remove( L, 2); // key fifos
lua_pushvalue( L, 1); // key fifos key
lua_rawget( L, 2); // key fifos fifo
lua_remove( L, 2); // key fifo
fifo = prepare_fifo_access( L, 2); // key fifo
if( fifo != NULL && fifo->count >= min_count)
{
fifo_pop( L, fifo, __min( max_count, fifo->count)); // key ...
}
else
{
lua_settop( L, 0);
}
return lua_gettop( L);
}
else
{
return 0;
}
}
/**
* Check if any work has appeared in the queue; work it if there
*
* The background task spends time waiting for something to do.
* One of the places where work comes from is via the fifo queue,
* which will contain data buffers that must be sent out over the ccn network.
* This function will look for work and get it done if present.
* Not too much work is donw however, since there are other things to be
* done by the background task. Hence we limit the number of buffers will
* will process from the queue.
* We shall return soon enough to this spot to keep working the queue contents.
*
* \param me context sink element where the fifo queues are allocated
*/
static void
check_fifo (Gstccnxsink * me)
{
GstClockTime ts;
gint i;
guint size;
guint8 *data;
GstBuffer *buffer;
for (i = 0; i < 3; ++i) {
if (fifo_empty (me))
return;
if (!(buffer = fifo_pop (me)))
return;
size = GST_BUFFER_SIZE (buffer);
data = GST_BUFFER_DATA (buffer);
ts = 0;
GST_INFO ("CCNxSink: pubish size: %d\n", size);
if (0 == ts || GST_CLOCK_TIME_NONE == ts)
ts = me->ts;
if (0 == ts || GST_CLOCK_TIME_NONE == ts) {
ts = tNow ();
me->ts = ts;
}
GST_INFO ("CCNxSink: pubish time: %0X\n", ts);
gst_ccnxsink_send (me, data, size, ts);
gst_buffer_unref (buffer);
}
}
void process_uart_rx_fifo()
{
if(fifo_get_size(&uart_rx_fifo) >= COMMAND_SIZE)
{
uint8_t received_cmd[COMMAND_SIZE];
fifo_pop(&uart_rx_fifo, received_cmd, COMMAND_SIZE);
if(strncmp(received_cmd, COMMAND_CHAN, COMMAND_SIZE) == 0)
{
process_command_chan();
}
else if(strncmp(received_cmd, COMMAND_LOOP, COMMAND_SIZE) == 0)
{
process_command_loop();
}
else if(strncmp(received_cmd, COMMAND_RSET, COMMAND_SIZE) == 0)
{
hw_reset();
}
else
{
char err[40];
snprintf(err, sizeof(err), "ERROR invalid command %.4s\n", received_cmd);
console_print(err);
}
fifo_clear(&uart_rx_fifo);
}
}
/* Pop an operation off the queue for tile @index
* The user of this function is reponsible for freeing the result using free()
*
* Concurrency: This function is reentrant (and lock-free) on different @index */
OperationDataDrawDab *
operation_queue_pop(OperationQueue *self, TileIndex index)
{
OperationDataDrawDab *op = NULL;
if (!tile_map_contains(self->tile_map, index)) {
return NULL;
}
Fifo **queue_pointer = tile_map_get(self->tile_map, index);
Fifo *op_queue = *queue_pointer;
if (!op_queue) {
return NULL;
}
op = fifo_pop(op_queue);
if (!op) {
// Queue empty
fifo_free(op_queue, operation_delete_func);
*queue_pointer = NULL;
return NULL;
} else {
assert(op != NULL);
return op;
}
}
bool serial_handler_command_get(serial_cmd_t* cmd)
{
/* want to do this without being pre-empted, as there's a potential
race condition */
NVIC_DisableIRQ(SPI1_TWI1_IRQn);
enable_pin_listener(false);
serial_data_t temp;
if (fifo_pop(&rx_fifo, &temp) != NRF_SUCCESS)
{
enable_pin_listener(true);
NVIC_EnableIRQ(SPI1_TWI1_IRQn);
return false;
}
if (temp.buffer[SERIAL_LENGTH_POS] > 0)
{
memcpy(cmd, temp.buffer, temp.buffer[SERIAL_LENGTH_POS] + 1);
}
/* just made room in the queue */
if (serial_state == SERIAL_STATE_WAIT_FOR_QUEUE)
{
/* would have race condition here with several irq contexts */
do_transmit();
}
else if (serial_state == SERIAL_STATE_IDLE)
{
/* only want GPIOTE IRQ in IDLE */
enable_pin_listener(true);
}
NVIC_EnableIRQ(SPI1_TWI1_IRQn);
return true;
}
static unsigned char read_byte(void)
{
unsigned char has_read = 0;
unsigned char c = 0;
while (!has_read)
{
int_wait();
fifo_lock(&gfifo);
if (gfifo.size)
{
c = fifo_pop(&gfifo);
has_read = 1;
}
else if (gfifo.error)
{
has_read = 1;
}
fifo_unlock(&gfifo);
}
return c;
}
static void arp_pack_func(void** state) {
// Nic initialization
void* malloc_pool = malloc(POOL_SIZE);
init_memory_pool(POOL_SIZE, malloc_pool, 0);
__nics[0] = malloc(sizeof(NIC));
__nic_count++;
__nics[0]->mac = 0x10c37b9309d1;
__nics[0]->pool_size = POOL_SIZE;
__nics[0]->pool = malloc_pool;
__nics[0]->output_buffer = fifo_create(8, malloc_pool);
__nics[0]->config = map_create(8, NULL, NULL, __nics[0]->pool);
uint32_t spa = 0xc0a80a6f;
uint32_t dpa = 0xc0a80a90;
arp_request(__nics[0], dpa, spa);
Packet* packet = fifo_pop(__nics[0]->output_buffer);
uint32_t comp_size = packet->end;
packet->end = 0;
arp_pack(packet);
// Checking packet->end
assert_int_equal(comp_size, packet->end);
destroy_memory_pool(malloc_pool);
free(malloc_pool);
malloc_pool = NULL;
}
// in: linda_ud, key [, key]?
// out: (key, val) or nothing
int keepercall_receive( lua_State* L)
{
int top = lua_gettop( L);
int i;
push_table( L, 1); // ud keys fifos
lua_replace( L, 1); // fifos keys
for( i = 2; i <= top; ++ i)
{
keeper_fifo* fifo;
lua_pushvalue( L, i); // fifos keys key[i]
lua_rawget( L, 1); // fifos keys fifo
fifo = prepare_fifo_access( L, -1); // fifos keys fifo
if( fifo != NULL && fifo->count > 0)
{
fifo_pop( L, fifo, 1); // fifos keys val
if( !lua_isnil( L, -1))
{
lua_replace( L, 1); // val keys
lua_settop( L, i); // val keys key[i]
if( i != 2)
{
lua_replace( L, 2); // val key keys
lua_settop( L, 2); // val key
}
lua_insert( L, 1); // key, val
return 2;
}
}
lua_settop( L, top); // data keys
}
// nothing to receive
return 0;
}
static void arp_announce_func(void** state) {
// Nic initialization
void* malloc_pool = malloc(POOL_SIZE);
init_memory_pool(POOL_SIZE, malloc_pool, 0);
__nics[0] = malloc(sizeof(NIC));
__nic_count++;
__nics[0]->mac = 0x10c37b9309d1;
__nics[0]->pool_size = POOL_SIZE;
__nics[0]->pool = malloc_pool;
__nics[0]->output_buffer = fifo_create(8, malloc_pool);
__nics[0]->config = map_create(8, NULL, NULL, __nics[0]->pool);
uint32_t spa = 0xc0a80a6f;
arp_announce(__nics[0], spa);
Packet* packet = fifo_pop(__nics[0]->output_buffer);
assert_memory_equal(packet->buffer + packet->start, arp_announce_packet, 46);
destroy_memory_pool(malloc_pool);
free(malloc_pool);
malloc_pool = NULL;
}
static void process_uart_rx_fifo()
{
if(fifo_get_size(&uart_rx_fifo) >= COMMAND_SIZE)
{
uint8_t received_cmd[COMMAND_SIZE];
fifo_pop(&uart_rx_fifo, received_cmd, COMMAND_SIZE);
if(strncmp(received_cmd, COMMAND_CHAN, COMMAND_SIZE) == 0)
{
process_command_chan();
}
else if(strncmp(received_cmd, COMMAND_TRAN, COMMAND_SIZE) == 0)
{
while(fifo_get_size(&uart_rx_fifo) < COMMAND_TRAN_PARAM_SIZE);
char param[COMMAND_TRAN_PARAM_SIZE];
fifo_pop(&uart_rx_fifo, param, COMMAND_TRAN_PARAM_SIZE);
tx_packet_delay_s = atoi(param);
stop();
is_mode_rx = false;
current_state = STATE_RUNNING;
sched_post_task(&start);
}
else if(strncmp(received_cmd, COMMAND_RECV, COMMAND_SIZE) == 0)
{
stop();
is_mode_rx = true;
current_state = STATE_RUNNING;
sched_post_task(&start);
}
else if(strncmp(received_cmd, COMMAND_RSET, COMMAND_SIZE) == 0)
{
hw_reset();
}
else
{
char err[40];
snprintf(err, sizeof(err), "ERROR invalid command %.4s\n", received_cmd);
uart_transmit_string(err);
}
fifo_clear(&uart_rx_fifo);
}
timer_post_task_delay(&process_uart_rx_fifo, TIMER_TICKS_PER_SEC);
}
void test2() {
struct fifo p1;
int buf1[256];
int elem;
int output_buf[16];
int test_arr[19];
size_t i;
int input;
srand(time(NULL));
for(i = 0; i < ARRAY_SIZE(test_arr); i++) {
test_arr[i] = rand();
}
diag("++++test2++++");
fifo_init(&p1, buf1, sizeof(int), ARRAY_SIZE(buf1) );
ok1(fifo_amt(&p1) == 0);
ok1(fifo_avail(&p1) == ARRAY_SIZE(buf1));
input = 345;
fifo_push(&p1, &input);
ok1(fifo_amt(&p1) == 1);
ok1(fifo_avail(&p1) == (ARRAY_SIZE(buf1)-1));
fifo_top(&p1, &elem);
ok1(elem == 345);
elem = 0;
fifo_write(&p1, test_arr, 7);
ok1(fifo_amt(&p1) == 1+7);
ok1(fifo_avail(&p1) == (ARRAY_SIZE(buf1)-1-7));
fifo_pop(&p1, &elem);
ok1(elem == 345);
ok1(fifo_amt(&p1) == 7);
ok1(fifo_avail(&p1) == (ARRAY_SIZE(buf1)-7));
fifo_pop(&p1, &elem);
ok1(elem == test_arr[0]);
ok1(fifo_amt(&p1) == 6);
ok1(fifo_avail(&p1) == (ARRAY_SIZE(buf1)-6));
fifo_consume(&p1, output_buf, 6);
ok1(memcmp(test_arr+1, output_buf, 6*sizeof(int)) == 0);
ok1(fifo_amt(&p1) == 0);
ok1(fifo_avail(&p1) == (ARRAY_SIZE(buf1)));
#define TEST2AMT 2 + 3 + 11
diag("----test2----\n#");
}
// TODO code duplication with noise_test, refactor later
static void process_command_chan()
{
while(fifo_get_size(&uart_rx_fifo) < COMMAND_CHAN_PARAM_SIZE);
char param[COMMAND_CHAN_PARAM_SIZE];
fifo_pop(&uart_rx_fifo, param, COMMAND_CHAN_PARAM_SIZE);
channel_id_t new_channel;
if(strncmp(param, "433", 3) == 0)
new_channel.channel_header.ch_freq_band = PHY_BAND_433;
else if(strncmp(param, "868", 3) == 0)
new_channel.channel_header.ch_freq_band = PHY_BAND_868;
else if(strncmp(param, "915", 3) == 0)
new_channel.channel_header.ch_freq_band = PHY_BAND_915;
else
goto error;
char channel_class = param[3];
if(channel_class == 'L')
new_channel.channel_header.ch_class = PHY_CLASS_LO_RATE;
else if(channel_class == 'N')
new_channel.channel_header.ch_class = PHY_CLASS_NORMAL_RATE;
else if(channel_class == 'H')
new_channel.channel_header.ch_class = PHY_CLASS_HI_RATE;
else
goto error;
uint16_t center_freq_index = atoi((const char*)(param + 5));
new_channel.center_freq_index = center_freq_index;
// validate
if(new_channel.channel_header.ch_freq_band == PHY_BAND_433)
{
if(new_channel.channel_header.ch_class == PHY_CLASS_NORMAL_RATE
&& (new_channel.center_freq_index % 8 != 0 || new_channel.center_freq_index > 56))
goto error;
else if(new_channel.channel_header.ch_class == PHY_CLASS_LO_RATE && new_channel.center_freq_index > 68)
goto error;
else if(new_channel.channel_header.ch_class == PHY_CLASS_HI_RATE)
goto error;
} // TODO validate PHY_BAND_868
// valid band, apply ...
current_channel_id = new_channel;
char str[20];
channel_id_to_string(¤t_channel_id, str, sizeof(str));
uart_transmit_string(str);
// change channel and restart
// TODOsched_post_task(&start_rx);
return;
error:
uart_transmit_string("Error parsing CHAN command. Expected format example: '433L001'\n");
fifo_clear(&uart_rx_fifo);
}
void TXE_Handler()
{
if(!fifo_is_empty(&Serial.fifo_output))
{
USART_WriteByte(fifo_pop(&Serial.fifo_output));
} else {
USART_DisableInterrupts(USART_IT_TXE);
}
}
static void uart_txStart(struct SerialHardware * _hw)
{
struct EmulSerial *hw = (struct EmulSerial *)_hw;
while(!fifo_isempty(&hw->ser->txfifo))
{
char c = fifo_pop(&hw->ser->txfifo);
write(hw->fd, &c, 1);
}
}
static void arp_process_func(void** state) {
// Timer setting
timer_init("IntelCore(TM) i5-4670 CPU @ 3.40GHz");
// Nic initialization
void* malloc_pool = malloc(POOL_SIZE);
init_memory_pool(POOL_SIZE, malloc_pool, 0);
__nics[0] = malloc(sizeof(NIC));
__nic_count++;
__nics[0]->mac = 0x74d4358f66cb;
__nics[0]->pool_size = POOL_SIZE;
__nics[0]->pool = malloc_pool;
__nics[0]->output_buffer = fifo_create(8, malloc_pool);
__nics[0]->config = map_create(8, NULL, NULL, __nics[0]->pool);
// Arp request
Packet* packet = nic_alloc(__nics[0], sizeof(arp_request_packet));
memcpy(packet->buffer + packet->start, arp_request_packet, sizeof(arp_request_packet));
Ether* ether = (Ether*)(packet->buffer + packet->start);
ARP* arp = (ARP*)ether->payload;
uint32_t addr = endian32(arp->tpa);
nic_ip_add(__nics[0], addr);
assert_true(arp_process(packet));
packet = fifo_pop(__nics[0]->output_buffer);
assert_memory_equal(packet->buffer + packet->start, arp_reply_packet, 42);
nic_free(packet);
packet = NULL;
// Arp response
packet = nic_alloc(__nics[0], sizeof(arp_reply_packet));
memcpy(packet->buffer + packet->start, arp_reply_packet, sizeof(arp_reply_packet));
ether = (Ether*)(packet->buffer + packet->start);
arp = (ARP*)ether->payload;
addr = endian32(arp->tpa);
nic_ip_add(__nics[0], addr);
uint8_t comp_mac[6] = { 0xcb, 0x66, 0x8f, 0x35, 0xd4, 0x74 };
uint32_t sip = endian32(arp->spa);
Map* arp_table = nic_config_get(packet->nic, "net.arp.arptable");
assert_true(arp_process(packet));
ARPEntity* entity = map_get(arp_table, (void*)(uintptr_t)sip);
assert_memory_equal((uint8_t*)&entity->mac, comp_mac, 6);
destroy_memory_pool(malloc_pool);
free(malloc_pool);
malloc_pool = NULL;
}