/**
* @file send_queue.c
*
- * @brief Send-Queue based on linked_list_t
+ * @brief Implementation of send_queue_t.
*
*/
* for more details.
*/
- #include <pthread.h>
+#include <pthread.h>
#include "send_queue.h"
typedef struct private_send_queue_t private_send_queue_t;
- /**
+/**
* @brief Private Variables and Functions of send_queue class
*
*/
/**
- * @brief implements function get_count of send_queue_t
+ * implements send_queue_t.get_count
*/
static int get_count(private_send_queue_t *this)
{
return count;
}
- /**
- * @brief implements function get of send_queue_t
+/**
+ * implements send_queue_t.get
*/
-static status_t get(private_send_queue_t *this, packet_t **packet)
+static packet_t *get(private_send_queue_t *this)
{
int oldstate;
+ packet_t *packet;
pthread_mutex_lock(&(this->mutex));
/* go to wait while no packets available */
pthread_setcancelstate(oldstate, NULL);
pthread_cleanup_pop(0);
}
- this->list->remove_first(this->list,(void **) packet);
+ this->list->remove_first(this->list,(void **)&packet);
pthread_mutex_unlock(&(this->mutex));
- return SUCCESS;
+ return packet;
}
- /**
- * @brief implements function add of send_queue_t
+/**
+ * implements send_queue_t.add
*/
-static status_t add(private_send_queue_t *this, packet_t *packet)
+static void add(private_send_queue_t *this, packet_t *packet)
{
pthread_mutex_lock(&(this->mutex));
this->list->insert_last(this->list,packet);
pthread_cond_signal( &(this->condvar));
pthread_mutex_unlock(&(this->mutex));
- return SUCCESS;
}
- /**
- * @brief implements function destroy of send_queue_t
- *
+/**
+ * implements send_queue_t.destroy
*/
-static status_t destroy (private_send_queue_t *this)
+static void destroy (private_send_queue_t *this)
{
/* destroy all packets in list before destroying list */
pthread_cond_destroy(&(this->condvar));
allocator_free(this);
- return SUCCESS;
}
- /*
+/*
*
* Documented in header
*/
send_queue_t *send_queue_create()
{
- linked_list_t *linked_list = linked_list_create();
- if (linked_list == NULL)
- {
- return NULL;
- }
-
private_send_queue_t *this = allocator_alloc_thing(private_send_queue_t);
- if (this == NULL)
- {
- linked_list->destroy(linked_list);
- return NULL;
- }
-
+
this->public.get_count = (int(*)(send_queue_t*)) get_count;
- this->public.get = (status_t(*)(send_queue_t*, packet_t**)) get;
- this->public.add = (status_t(*)(send_queue_t*, packet_t*)) add;
- this->public.destroy = (status_t(*)(send_queue_t*)) destroy;
+ this->public.get = (packet_t*(*)(send_queue_t*)) get;
+ this->public.add = (void(*)(send_queue_t*, packet_t*)) add;
+ this->public.destroy = (void(*)(send_queue_t*)) destroy;
- this->list = linked_list;
+ this->list = linked_list_create();
pthread_mutex_init(&(this->mutex), NULL);
pthread_cond_init(&(this->condvar), NULL);