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net/prohandler.cpp

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#include <assert.h>
#include <stdio.h>
#include "prohandler.h"
#include "mem/memory.cpp"

#ifndef _NET_PROHAN_CPP_
#define _NET_PROHAN_CPP_

static const char phdid[] = "\100$ Free Agent: prohandler.cpp, v 0.1 2002/05/29 red0x Exp $";

protocolHandler::protocolHandler()
{
    //myPro = 0;
    packets = 0;
    top = bottom = NULL;
}

int protocolHandler::add(char *pkt)
{
    {assert(pkt != NULL);}
    pronode_t *newNode;
    agent_new(&newNode);
    {assert(newNode != NULL);}
    newNode->payload = pkt;
    if (top == NULL)
        {
            top = newNode;
            bottom = top;
        }
        else //nope
        {
            //insert at end
            bottom->next = newNode;
            newNode->prev = bottom;
            bottom = newNode;
        }
        packets++;
    return packets;
}

bool protocolHandler::hasNext(void)
{
    return (packets > 0);
}

char *protocolHandler::next(void)
{
    if(!hasNext())
        return NULL;
    //top is not NULL
    {assert(top != NULL);}
    char *data;
    data = top->payload;
    top->payload = NULL;
    if(top == bottom)
    {
        //delete it
        agent_zaparr(top);
        top = bottom = NULL;
    }
    else
    {
        pronode_t *t = top;
        top->next->prev = NULL;
        top = top->next;
        t->prev = t->next = NULL;
        agent_zaparr(t);
    }
    packets--;
    return data;
}

#endif

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