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From Mudit Verma <mudit.f2004...@gmail.com>
Subject Re: very strange behavior - data is not written in ZK
Date Wed, 01 Oct 2014 18:32:40 GMT
Success, i am also printing the return code in 2nd printf.
On 01-Oct-2014 6:54 PM, "Vitalii Tymchyshyn" <vit@tym.im> wrote:

> Do you see "returning success" printed? If not, what is the return code?
>  29 вер. 2014 11:14, користувач "Mudit Verma" <mudit.f2004912@gmail.com>
> написав:
>
> > Hi,
> >
> > I have following function which sets a value to a znode as 1 or 0.
> However,
> > the value is not getting set in Zookeeper ( data version is being changed
> > though). This piece of code used to work, until I upgraded the cluster to
> > latest zookeeper version.
> >
> > Any idea what is going wrong? Your help is much appreciated !!
> >
> > zk_map_status
> >
> > *zk_map_lock(zk_map *zkm) { *
> >
> >    struct Stat *stats = (struct Stat *)xcalloc(1,sizeof(struct Stat));
> >
> >    int lock, size;
> >
> >    *int rc,zrc = zoo_get(zkm->zk, zkm->path, 0, (char *)&lock,
> > &size,stats);  * /*/getting the lock value from ZK*
> >
> >    if(zrc ==ZOK) {
> >
> >         //here we need to grab the lock
> >
> >         if(lock == 0) {
> >
> >            printf("\n zk_map_lock %s lock:%d version:%d"
> > ,zkm->path,lock,stats->version);fflush(stdout);
> >
> >            lock=1;
> >
> >            int zrc2 = *zoo_set(zkm->zk, zkm->path,(char *)&lock,
> > sizeof(int),stats->version);  //if zero setting to 1*
> >
> >            if(zrc2 == ZOK){
> >
> >                 printf("\n Returning Success");fflush(stdout);
> >
> >                 rc = ZK_MAP_SUCCESS;
> >
> >            } else
> >
> >                 rc = ZK_MAP_FAILURE;
> >
> >         }
> >
> >         else
> >
> >            rc = ZK_MAP_FAILURE;
> >
> >
> >    }
> >
> >    else if(zrc == ZNONODE)
> >
> >         rc = ZK_MAP_ENOENT;
> >
> >    else
> >
> >         rc = ZK_MAP_FAILURE;
> >
> >
> >    //testing need to be removed later on
> >
> >    lock=0;
> >
> >    *zrc = zoo_get(zkm->zk, zkm->path, 0, (char *)&lock, &size,stats);
> >  //retrieving the value  and it is still 0 -->very strange*
> >
> >    printf("\n zrc:%d zk_map_lock %s lock:%d version:%d"
> > ,zrc,zkm->path,lock,stats->version);fflush(stdout);
> >
> >
> >    free(stats);
> >
> >    return rc;
> >
> >
> > }
> >
> > =======
> >
> > output
> >
> > *Printf1:   zk_map_lock /dir/6549211657075368907 lock:0 version:0*
> >
> > *Printf2:   zrc:0 zk_map_lock /dir/6549211657075368907 lock:0 version:1*
> >
> >
> >
> > Thanks, Mudit
> >
>

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