[Aggregator] Reorder functions

Reorder the functions in owlps-aggregatord.c to respect the order of
owlps-aggregator.h.
This commit is contained in:
Matteo Cypriani 2013-06-12 15:30:56 -04:00
parent 3a9ce442d1
commit 45d4eeb791
1 changed files with 241 additions and 245 deletions

View File

@ -619,6 +619,166 @@ int read_loop(int sockfd)
}
/*
* Treats a received packet.
*/
void got_request(owl_captured_request request)
{
request_list *tmp_request = NULL ;
request_info_list *tmp_info = NULL ;
owl_timestamp start_time ; // Reception time on the aggregator
owl_timestamp_now(&start_time) ;
/* Create a new request */
tmp_info = malloc(sizeof(request_info_list)) ;
if (! tmp_info)
{
perror("Cannot allocate memory") ;
owl_run = false ;
return ;
}
tmp_info->packet_id = request.packet_id ;
memcpy(tmp_info->ap_mac_addr_bytes, request.ap_mac_addr_bytes,
ETHER_ADDR_LEN) ;
tmp_info->capture_time = request.capture_time ;
tmp_info->ss_dbm = request.ss_dbm ;
tmp_info->next = NULL ;
/* Add it in the list */
sem_wait(&lock_requests) ;
tmp_request = requests ;
if (requests == NULL) // If the request list does not exist,
{
if (VERBOSE_INFO)
fprintf(stderr, "Creating request list with AP \"%s\".\n",
owl_mac_bytes_to_string(request.ap_mac_addr_bytes)) ;
tmp_request = malloc(sizeof(request_list)) ; // create it.
if (! tmp_request)
{
perror("Cannot allocate memory") ;
owl_run = false ;
goto end ;
}
tmp_request->type = request.type ;
tmp_request->nb_packets = request.nb_packets ;
memcpy(tmp_request->mobile_mac_addr_bytes,
request.mobile_mac_addr_bytes, ETHER_ADDR_LEN) ;
memcpy(tmp_request->mobile_ip_addr_bytes,
request.mobile_ip_addr_bytes, 4) ;
// Explicit packet:
if (request.type != OWL_REQUEST_IMPLICIT)
// Transmission time on the mobile:
tmp_request->request_time = request.request_time ;
// Implicit packet:
else
// Reception time on the AP:
tmp_request->request_time = request.capture_time ;
// Save locale time on the aggregator (not the reception time
// on the AP):
tmp_request->start_time = start_time ;
tmp_request->x_position = request.x_position ;
tmp_request->y_position = request.y_position ;
tmp_request->z_position = request.z_position ;
tmp_request->direction = request.direction ;
tmp_request->next = NULL ;
tmp_request->info = tmp_info ;
requests = tmp_request ;
}
else // If the request list exists already
{ // we search the list for the request
// Explicit packet:
if (request.type != OWL_REQUEST_IMPLICIT)
{
while (tmp_request != NULL)
{ // Research criterion: MAC and transmission time
if (owl_mac_equals(request.mobile_mac_addr_bytes,
tmp_request->mobile_mac_addr_bytes)
&& owl_timestamp_equals(&request.request_time,
&tmp_request->request_time))
break ; // If the request exists, we stop on it
tmp_request = tmp_request->next ;
}
}
// Implicit packet:
else
{
while (tmp_request != NULL)
{ // Research criterion: MAC addresses equals and reception
// times on the APs less than 10 ms
// TODO : define an option for the maximal difference time.
if (owl_mac_equals(request.mobile_mac_addr_bytes,
tmp_request->mobile_mac_addr_bytes) &&
owl_time_elapsed_ms(&request.capture_time,
&tmp_request->request_time) <= 10)
break ; // If the request exists, we stop on it
tmp_request = tmp_request->next ;
}
}
if (tmp_request == NULL) // The request does not exist in the list
{
if (VERBOSE_INFO)
fprintf(stderr, "Create new request from AP \"%s\".\n",
owl_mac_bytes_to_string(request.ap_mac_addr_bytes)) ;
tmp_request = malloc(sizeof(request_list)) ; // create it
if (! tmp_request)
{
perror("Cannot allocate memory") ;
owl_run = false ;
goto end ;
}
tmp_request->type = request.type ;
tmp_request->nb_packets = request.nb_packets ;
memcpy(tmp_request->mobile_mac_addr_bytes,
request.mobile_mac_addr_bytes, ETHER_ADDR_LEN) ;
memcpy(tmp_request->mobile_ip_addr_bytes,
request.mobile_ip_addr_bytes, 4) ;
// Explicit packet:
if (request.type != OWL_REQUEST_IMPLICIT)
// Transmission time on the mobile:
tmp_request->request_time = request.request_time ;
// Implicit packet:
else
// Reception time on the AP:
tmp_request->request_time = request.capture_time ;
// Save the local time on the aggregator (not the reception
// time on the AP):
tmp_request->start_time = start_time ;
tmp_request->x_position = request.x_position ;
tmp_request->y_position = request.y_position ;
tmp_request->z_position = request.z_position ;
tmp_request->direction = request.direction ;
tmp_request->next = requests ;
tmp_request->info = tmp_info ;
requests = tmp_request ;
}
else // If the request was found in the list
{
if (tmp_request->info == NULL)
{ // We already sent to the server data for this request
if (VERBOSE_CHATTERBOX)
fprintf(stderr, "Request already treated.\n") ;
free(tmp_info) ;
}
else
{
if (VERBOSE_CHATTERBOX)
fprintf(stderr, "Add information to the request.\n") ;
tmp_info->next = tmp_request->info ; // Add data
tmp_request->info = tmp_info ;
}
}
}
end:
sem_post(&lock_requests) ;
}
/*
* Thread function. Monitors the list and sends information to the
@ -830,167 +990,6 @@ void* monitor_requests(void *NULL_value)
/*
* Treats a received packet.
*/
void got_request(owl_captured_request request)
{
request_list *tmp_request = NULL ;
request_info_list *tmp_info = NULL ;
owl_timestamp start_time ; // Reception time on the aggregator
owl_timestamp_now(&start_time) ;
/* Create a new request */
tmp_info = malloc(sizeof(request_info_list)) ;
if (! tmp_info)
{
perror("Cannot allocate memory") ;
owl_run = false ;
return ;
}
tmp_info->packet_id = request.packet_id ;
memcpy(tmp_info->ap_mac_addr_bytes, request.ap_mac_addr_bytes,
ETHER_ADDR_LEN) ;
tmp_info->capture_time = request.capture_time ;
tmp_info->ss_dbm = request.ss_dbm ;
tmp_info->next = NULL ;
/* Add it in the list */
sem_wait(&lock_requests) ;
tmp_request = requests ;
if (requests == NULL) // If the request list does not exist,
{
if (VERBOSE_INFO)
fprintf(stderr, "Creating request list with AP \"%s\".\n",
owl_mac_bytes_to_string(request.ap_mac_addr_bytes)) ;
tmp_request = malloc(sizeof(request_list)) ; // create it.
if (! tmp_request)
{
perror("Cannot allocate memory") ;
owl_run = false ;
goto end ;
}
tmp_request->type = request.type ;
tmp_request->nb_packets = request.nb_packets ;
memcpy(tmp_request->mobile_mac_addr_bytes,
request.mobile_mac_addr_bytes, ETHER_ADDR_LEN) ;
memcpy(tmp_request->mobile_ip_addr_bytes,
request.mobile_ip_addr_bytes, 4) ;
// Explicit packet:
if (request.type != OWL_REQUEST_IMPLICIT)
// Transmission time on the mobile:
tmp_request->request_time = request.request_time ;
// Implicit packet:
else
// Reception time on the AP:
tmp_request->request_time = request.capture_time ;
// Save locale time on the aggregator (not the reception time
// on the AP):
tmp_request->start_time = start_time ;
tmp_request->x_position = request.x_position ;
tmp_request->y_position = request.y_position ;
tmp_request->z_position = request.z_position ;
tmp_request->direction = request.direction ;
tmp_request->next = NULL ;
tmp_request->info = tmp_info ;
requests = tmp_request ;
}
else // If the request list exists already
{ // we search the list for the request
// Explicit packet:
if (request.type != OWL_REQUEST_IMPLICIT)
{
while (tmp_request != NULL)
{ // Research criterion: MAC and transmission time
if (owl_mac_equals(request.mobile_mac_addr_bytes,
tmp_request->mobile_mac_addr_bytes)
&& owl_timestamp_equals(&request.request_time,
&tmp_request->request_time))
break ; // If the request exists, we stop on it
tmp_request = tmp_request->next ;
}
}
// Implicit packet:
else
{
while (tmp_request != NULL)
{ // Research criterion: MAC addresses equals and reception
// times on the APs less than 10 ms
// TODO : define an option for the maximal difference time.
if (owl_mac_equals(request.mobile_mac_addr_bytes,
tmp_request->mobile_mac_addr_bytes) &&
owl_time_elapsed_ms(&request.capture_time,
&tmp_request->request_time) <= 10)
break ; // If the request exists, we stop on it
tmp_request = tmp_request->next ;
}
}
if (tmp_request == NULL) // The request does not exist in the list
{
if (VERBOSE_INFO)
fprintf(stderr, "Create new request from AP \"%s\".\n",
owl_mac_bytes_to_string(request.ap_mac_addr_bytes)) ;
tmp_request = malloc(sizeof(request_list)) ; // create it
if (! tmp_request)
{
perror("Cannot allocate memory") ;
owl_run = false ;
goto end ;
}
tmp_request->type = request.type ;
tmp_request->nb_packets = request.nb_packets ;
memcpy(tmp_request->mobile_mac_addr_bytes,
request.mobile_mac_addr_bytes, ETHER_ADDR_LEN) ;
memcpy(tmp_request->mobile_ip_addr_bytes,
request.mobile_ip_addr_bytes, 4) ;
// Explicit packet:
if (request.type != OWL_REQUEST_IMPLICIT)
// Transmission time on the mobile:
tmp_request->request_time = request.request_time ;
// Implicit packet:
else
// Reception time on the AP:
tmp_request->request_time = request.capture_time ;
// Save the local time on the aggregator (not the reception
// time on the AP):
tmp_request->start_time = start_time ;
tmp_request->x_position = request.x_position ;
tmp_request->y_position = request.y_position ;
tmp_request->z_position = request.z_position ;
tmp_request->direction = request.direction ;
tmp_request->next = requests ;
tmp_request->info = tmp_info ;
requests = tmp_request ;
}
else // If the request was found in the list
{
if (tmp_request->info == NULL)
{ // We already sent to the server data for this request
if (VERBOSE_CHATTERBOX)
fprintf(stderr, "Request already treated.\n") ;
free(tmp_info) ;
}
else
{
if (VERBOSE_CHATTERBOX)
fprintf(stderr, "Add information to the request.\n") ;
tmp_info->next = tmp_request->info ; // Add data
tmp_request->info = tmp_info ;
}
}
}
end:
sem_post(&lock_requests) ;
}
/*
* Empties the request list.
* Note that this function does not use lock_requests, so it should not
@ -1016,6 +1015,87 @@ void free_request_list()
}
#ifndef NDEBUG
/*
* Prints the request list.
*/
void print_request_list()
{
request_list *request_ptr = NULL ;
request_info_list *info_ptr = NULL ;
char mobile_mac_str[OWL_ETHER_ADDR_STRLEN] ;
char
request_time_str[OWL_TIMESTAMP_STRLEN],
start_time_str[OWL_TIMESTAMP_STRLEN] ;
sem_wait(&lock_requests) ;
if (requests == NULL) // Empty list
{
fprintf(stderr, "No request.\n") ;
return ;
}
request_ptr = requests ;
while (request_ptr != NULL)
{
info_ptr = request_ptr->info ; // Get the sub-list pointer
owl_mac_bytes_to_string_r(request_ptr->mobile_mac_addr_bytes,
mobile_mac_str) ;
owl_timestamp_to_string(&request_ptr->request_time,
request_time_str) ;
owl_timestamp_to_string(&request_ptr->start_time,
start_time_str) ;
fprintf(stderr,
"Type: %"PRIu8"\n"
"Mobile MAC: %s\n"
"Sequence number: %s\n"
"Reception timestamp: %s\n"
"\n",
request_ptr->type,
mobile_mac_str,
request_time_str,
start_time_str
) ;
// Parse information relative to the current request
while (info_ptr != NULL)
{
print_request_info(info_ptr) ;
putc('\n', stderr) ;
info_ptr = info_ptr->next ;
}
fprintf(stderr, "\n\n") ;
request_ptr = request_ptr->next ;
}
sem_post(&lock_requests) ;
}
/*
* Prints an element of a request_info_list.
*/
void print_request_info(request_info_list *info)
{
char ap_mac_str[OWL_ETHER_ADDR_STRLEN] ;
if (info == NULL)
return ;
owl_mac_bytes_to_string_r(info->ap_mac_addr_bytes, ap_mac_str) ;
fprintf(stderr,
"\tAP MAC: %s\n"
"\tSignal strength: %"PRId8" dBm\n",
ap_mac_str,
info->ss_dbm
) ;
}
#endif // NDEBUG
/*
* Thread function. Listens for hello messages from APs.
@ -1073,7 +1153,6 @@ void* listen_for_aps(void *NULL_value)
}
/*
* Updates the timestamp of the AP with the given MAC address if it is in
* the AP list, or add a new AP with this MAC address to the AP list.
@ -1357,89 +1436,6 @@ void free_ap_list()
#ifndef NDEBUG
/*
* Prints the request list.
*/
void print_request_list()
{
request_list *request_ptr = NULL ;
request_info_list *info_ptr = NULL ;
char mobile_mac_str[OWL_ETHER_ADDR_STRLEN] ;
char
request_time_str[OWL_TIMESTAMP_STRLEN],
start_time_str[OWL_TIMESTAMP_STRLEN] ;
sem_wait(&lock_requests) ;
if (requests == NULL) // Empty list
{
fprintf(stderr, "No request.\n") ;
return ;
}
request_ptr = requests ;
while (request_ptr != NULL)
{
info_ptr = request_ptr->info ; // Get the sub-list pointer
owl_mac_bytes_to_string_r(request_ptr->mobile_mac_addr_bytes,
mobile_mac_str) ;
owl_timestamp_to_string(&request_ptr->request_time,
request_time_str) ;
owl_timestamp_to_string(&request_ptr->start_time,
start_time_str) ;
fprintf(stderr,
"Type: %"PRIu8"\n"
"Mobile MAC: %s\n"
"Sequence number: %s\n"
"Reception timestamp: %s\n"
"\n",
request_ptr->type,
mobile_mac_str,
request_time_str,
start_time_str
) ;
// Parse information relative to the current request
while (info_ptr != NULL)
{
print_request_info(info_ptr) ;
putc('\n', stderr) ;
info_ptr = info_ptr->next ;
}
fprintf(stderr, "\n\n") ;
request_ptr = request_ptr->next ;
}
sem_post(&lock_requests) ;
}
/*
* Prints an element of a request_info_list.
*/
void print_request_info(request_info_list *info)
{
char ap_mac_str[OWL_ETHER_ADDR_STRLEN] ;
if (info == NULL)
return ;
owl_mac_bytes_to_string_r(info->ap_mac_addr_bytes, ap_mac_str) ;
fprintf(stderr,
"\tAP MAC: %s\n"
"\tSignal strength: %"PRId8" dBm\n",
ap_mac_str,
info->ss_dbm
) ;
}
#endif // NDEBUG
void print_usage()
{
printf("Usage:\n"