session.c

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <syslog.h>

#include "uthash.h"
#include "session.h"
#include "version.h"
#include "debug.h"
#include "frame.h"

uint32_t *sid_index = NULL;

// need free
uint32_t *init_sid_index()
{
    if (NULL == sid_index) {
        sid_index = (uint32_t *) calloc(1, sizeof(uint32_t));
        if (NULL == sid_index)
            return sid_index;

#ifdef CLIENT_V
        *sid_index = 1;
#elif SERVER
        *sid_index = 0;
#endif
    }

    *sid_index += 2;   // xfrp client session id start from 3
    return sid_index;
}

uint32_t get_current_sid_index()
{
    if (NULL == sid_index) {
        return *init_sid_index();
    }

    return *sid_index;
}

uint32_t new_sid()
{
    if (NULL == sid_index) {
        init_sid_index();
        return get_current_sid_index();
    }

    *sid_index += 2;
    return *sid_index;
}