processor.h

// Copyright (c) 2024, Caio Cozza
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are permitted
// provided that the following conditions are met:
//
//  * Redistributions of source code must retain the above copyright notice, this list of
//    conditions and the following disclaimer.
//  * Redistributions in binary form must reproduce the above copyright notice, this list of
//    conditions and the following disclaimer in the documentation and/or other materials provided
//    with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
// BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
// OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef PROCESSOR_H
#define PROCESSOR_H

#include <pthread.h>

#define PROCESSOR_WORKERS 4

typedef struct processor_item
{
  unsigned short cmd;
  int fd; //clients file descriptor
  unsigned int size, id;
  char *data;
  struct processor_item *nxt;
} processor_item_t;

typedef struct processor
{
  pthread_mutex_t mtx;
  pthread_cond_t cnd;
  pthread_t workers[PROCESSOR_WORKERS];
  struct processor_item *head, *tail;
} processor_t;

int processor_setup_workers(void);
int processsor_enqueue(int,unsigned int, unsigned int, unsigned short, const char*);

#endif //PROCESSOR_H