packet-queue.h

#ifndef P2P_TRANSMITTER_PACKET_QUEUE_H
#define P2P_TRANSMITTER_PACKET_QUEUE_H
 
#include <stdint.h>
#include "packet.h"
 
typedef struct PacketQueueNode {
    Packet* value;
    struct PacketQueueNode* next;
    struct PacketQueueNode* prev;
} PacketQueueNode;
 
typedef struct PacketQueue {
    int length;
    PacketQueueNode* first;
    PacketQueueNode* last;
} PacketQueue;
 
// Initializes a Queue and returns the pointer
PacketQueue* createQueue();
 
// Initializes a QueueNode containing the given Packet and returns the pointer
PacketQueueNode* createQueueNode(Packet* p);
 
// Removes the first item from the queue and returns it
PacketQueueNode* popQueue(PacketQueue* q);
 
// Adds an item to the end of the queue
void pushQueue(PacketQueue* q, PacketQueueNode* n);
 
// Frees the associated Packet and itself
void freePacketQueueNode(PacketQueueNode* n);
 
// Frees all contained PacketQueueNodes, Packets, and itself
void freePacketQueue(PacketQueue* q);
 
// Prints each packet contained within the Queue
void printPacketQueue(PacketQueue* q);
 
#endif //P2P_TRANSMITTER_PACKET_QUEUE_H