#include <errno.h>
#include <stdio.h>
#include <sys/ipc.h> 
#include <sys/msg.h>
#include "elog.h"
#include "upg.h"

#if 0
#define LOGD  log_d
#define LOGE  log_e
#else
#define LOGD  printf
#define LOGE  printf
#endif

static key_t ukey=0;
static int upg_send(int evt)
{
    int r,msgid;
    msgbuf_t mb;

    msgid = msgget(ukey, 0666| IPC_CREAT);
    //LOGD("+++++++++++ key: %d, msgid: %d\n", ukey, msgid);
    
    mb.evt = evt;
    r = msgsnd(msgid, &mb, sizeof(mb.evt), IPC_NOWAIT);
    if(r<0) {
        LOGE("msgsnd failed, %d, errno: %d\n", r, errno);
    }
    else {
        LOGD("msgsnd evt 0x%02x ok\n", evt);
    }
    
    return r;
}


int upg_init(void)
{
    int r,msgid;
    
    ukey = ftok(UPG_KEY_PATH, UPG_KEY_SN);
    if(ukey<0) {
        LOGE("ftok %s failed, errno: %d\n", UPG_KEY_PATH, errno);
        return -1;
    }
    
    return upg_send(UPGRADE_EVT_APP_RUNNING);
}


int upg_start(void)
{
	return upg_send(UPGRADE_EVT_UPLOAD_FINISH);
}