/*

 * @file tl_log.c

 * @brief softsim log

 * Copyright (c) 2016, Samsung Electronics Corporation. All rights reserved.

 */

/*#include <comdef.h>*/



#include "target.h"

#include <stdlib.h>

#include <stdio.h>

#include <stdarg.h>

#include "common.h"

#include "target.h"

#include "tl_log.h"

#include "tl_utils.h"



static cmd_rsp_t *global_rsp = NULL;

static const uint32_t max_log_len = SOFTSIM_LOG_BUF_LEN;



void init_log(cmd_req_t *req, cmd_rsp_t *rsp) {

    global_rsp = rsp;

    global_rsp->log_len = 0;

}



uint32_t get_log_pos(){

    return global_rsp->log_len;

}



void close_log() {

    global_rsp = NULL;

}



static void log_to_global_buf(uint8_t *log, uint32_t size) {



    /* if global log buffer is not available, skip it */

    if (global_rsp == NULL) {

        return;

    }



    uint32_t log_len = global_rsp->log_len;



    /* don't exceed the log buffer limit */

    if (log_len + size > max_log_len) {

#ifdef USE_QSEE

        qsee_log(QSEE_LOG_MSG_DEBUG, "dump log due to no room for log output");

#elif USE_MOBICORE

#error "MOBICORE not implemented yet..."

#elif USE_BLOWFISH

        printf("dump log due to no room for log output\n");

#else

#error "TEE plaform not defined yet"

#endif

        return;

    }

    log[size-1] = '\n';

    memcpy(global_rsp->logbuf + log_len, log, size);

    global_rsp->log_len = log_len + size;

}



#define LOCAL_LOG_BUF_SIZE 256

uint8_t log_buf[LOCAL_LOG_BUF_SIZE];



static int in_log = 0;



void tl_log(int level, const char *fmt, ...) {



    /* avoid infinite recursive log */

    if (in_log)

        return;



    in_log = 1;

    /* get the full log string */

    va_list ap;

    va_start(ap, fmt);

    int rc = vsnprintf((char*)log_buf, LOCAL_LOG_BUF_SIZE, fmt, ap);

    va_end(ap);

    if (rc >= LOCAL_LOG_BUF_SIZE) {

       rc = LOCAL_LOG_BUF_SIZE;

    } else {

       rc = rc + 1;

    }



    /* log to the system log */

    log_buf[rc-1] = '\0';

    /*target_printf((char*)log_buf);*/

#ifndef _NDEBUG_

#ifdef USE_QSEE

    qsee_log(level, "%s", (char*)log_buf);

#elif USE_MOBICORE

#error "MOBICORE not implemented yet..."

#elif USE_BLOWFISH

    printf("%s\n", (char*)log_buf);

#else

#error "TEE plaform not defined yet"

#endif

#endif

    /* log to the global log buffer */

    log_to_global_buf(log_buf, rc);



    in_log = 0;

    return;

}