ide-run.h

/* 
 * Copyright (c) 2014, Daan Pape
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * 
 *     1. Redistributions of source code must retain the above copyright 
 *        notice, this list of conditions and the following disclaimer.
 *
 *     2. 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
 * 
 * File:   ide-run.h
 * Created on October 2, 2015, 3:55 AM
 */

#ifndef IDE_RUN_H
#define	IDE_RUN_H

#include <libwebsockets.h>
#include <stdio.h>
#include <sys/types.h>

#include "process.h"
#include "config.h"

/**
 * Session data for the ide-run protocol.
 */
struct ide_run_session {
    pid_t pid;                                          /* The PID of the interpreter process */
    FILE* pfstream;                                     /* The stdout filestream of the interpreter process */
    int pfd;                                            /* The stdout file descriptor of the interpreter process */
    unsigned char pbuff[DPT_WEB_IDE_PROC_READ_BUFF];    /* The output buffer of the interpreter process */
};

/**
 * This handles ide_run protocol requests. 
 * @param context the context of the request. 
 * @param wsi the websocket currently used. 
 * @param reason the callback reason. 
 * @param user the user function. 
 * @param in the in function. 
 * @param len the length. 
 * @return returns 0 on success or -1 on error.
 */
int ide_run_callback(struct libwebsocket_context *context, struct libwebsocket *wsi, enum libwebsocket_callback_reasons reason, void *user, void *in, size_t len);

#endif