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64 lines
1.2 KiB
64 lines
1.2 KiB
#include "wsfs/message_queue.h"
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#include "wsfs/message.h"
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void wsfs_message_queue_init(
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struct wsfs_message_queue * queue)
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{
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queue->first = NULL;
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queue->last = NULL;
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}
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void wsfs_message_queue_cleanup(
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struct wsfs_message_queue * queue)
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{
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struct wsfs_message * message = queue->first;
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while (NULL != message)
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{
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struct wsfs_message * next = message->next;
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wsfs_message_dispose(message);
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message = next;
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}
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wsfs_message_queue_init(queue);
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}
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bool wsfs_message_queue_empty(
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struct wsfs_message_queue * queue)
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{
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return (NULL == queue->first);
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}
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void wsfs_message_queue_push(
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struct wsfs_message_queue * queue,
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struct wsfs_message * message)
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{
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message->next = NULL;
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if (NULL != queue->last)
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{
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queue->last->next = message;
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queue->last = message;
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}
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else
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{
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queue->first = message;
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queue->last = message;
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}
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}
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struct wsfs_message * wsfs_message_queue_pop(
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struct wsfs_message_queue * queue)
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{
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struct wsfs_message * const result = queue->first;
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if (NULL != result)
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{
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queue->first = queue->first->next;
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if (NULL == queue->first)
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{
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queue->last = NULL;
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}
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}
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return result;
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}
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