Example #1
0
/**
 *  This function is the entry point for setting rozofs in non-blocking mode

   @param args->ch: reference of the fuse channnel
   @param args->se: reference of the fuse session
   @param args->max_transactions: max number of transactions that can be handled in parallel
   
   @retval -1 on error
   @retval : no retval -> only on fatal error

 */
int expgwc_start_nb_blocking_th(void *args) {


    int ret;
    //sem_t semForEver;    /* semaphore for blocking the main thread doing nothing */
    exportd_start_conf_param_t *args_p = (exportd_start_conf_param_t*)args;

    ret = expgwc_non_blocking_init(args_p->debug_port, args_p->instance);
    if (ret != RUC_OK) {
        /*
         ** fatal error
         */
         fatal("can't initialize non blocking thread");
        return -1;
    }
    /*
    ** add profiler subject (exportd statistics)
    */
    uma_dbg_addTopic("profiler", show_profiler);
//    uma_dbg_addTopic("profiler_conf", show_profiler_conf);
    uma_dbg_addTopic("profiler_short", show_profiler_short);
    uma_dbg_addTopic("vfstat", show_vfstat);
    uma_dbg_addTopic("vfstat_stor",show_vfstat_stor);
    uma_dbg_addTopic("vfstat_vol",show_vfstat_vol);
    uma_dbg_addTopic("vfstat_exp",show_vfstat_eid);
    uma_dbg_addTopic("lv2_cache",show_lv2_attribute_cache);
    uma_dbg_addTopic("flock",    show_flock);
    expgwc_non_blocking_thread_started = 1;
    
    info("exportd non-blocking thread started (instance: %d, port: %d).",
            args_p->instance, args_p->debug_port);
    /*
     ** main loop
     */
    while (1) {
        ruc_sockCtrl_selectWait();
    }
}
Example #2
0
/**
 *  This function is the entry point for setting rozofs in non-blocking mode

   @param args->ch: reference of the fuse channnel
   @param args->se: reference of the fuse session
   @param args->max_transactions: max number of transactions that can be handled in parallel
   
   @retval -1 on error
   @retval : no retval -> only on fatal error

 */
int rozofs_stat_start(void *args) {

    uma_dbg_thread_add_self("Main");

    int ret; 
    //sem_t semForEver;    /* semaphore for blocking the main thread doing nothing */
    args_p = args;
    exportclt_t *exportclt_p = (exportclt_t*)args_p->exportclt;
    uint16_t debug_port = args_p->debug_port;
    uint16_t export_listening_port = (uint16_t)exportclt_p->listen_port;
    
    info("exportd listening port %d",export_listening_port);
    /*
    ** allocate memory for bandwidth computation
    */
    rozofs_throughput_counter_init();
   
    ret = ruc_init(FALSE, debug_port,export_listening_port);
    if (ret != RUC_OK) {
        /*
         ** fatal error
         */
        return -1;
    }

    {
        char name[32];
        sprintf(name, "rozofsmount %d", args_p->instance);
        uma_dbg_set_name(name);
    }
    
    /*
    ** Send the file lock reset request to remove old locks
    ** (NB This is not actually a low level fuse API....)
    */
    rozofs_ll_clear_client_file_lock(exportclt.eid,rozofs_client_hash);

    /*
     ** init of the fuse part
     */
    ret = rozofs_fuse_init(args_p->ch, args_p->se, args_p->max_transactions);
    if (ret != RUC_OK) {
        /*
         ** fatal error
         */
        return -1;
    }
    
#if 0
    NO MORE LBG MASTER. USE ONLY LBG EXPORTD.
    /*
     ** Perform the init with exportd--> setup of the TCP connection associated with the load balancing group
     */
    uint16_t export_nb_port = rozofs_get_service_port_export_master_eproto(); 
    if (export_lbg_initialize((exportclt_t*) args_p->exportclt, EXPORT_PROGRAM, EXPORT_VERSION, export_nb_port,
                               (af_stream_poll_CBK_t) rozofs_export_lbg_cnx_polling) != 0) {
        severe("Cannot setup the load balancing group towards Exportd");
    }
#endif    
    
    //#warning storcli instances are hardcoded
    if (storcli_lbg_initialize((exportclt_t*) args_p->exportclt,"rozofsmount", args_p->instance, 1, 2) != 0) {
        severe("Cannot setup the load balancing group towards StorCli");
    }
    
    rozofs_signals_declare("rozofsmount",  common_config.nb_core_file);
    

  /*
  **  change the priority of the main thread
  */
#if 1
    {
      struct sched_param my_priority;
      int policy=-1;
      int ret= 0;

      pthread_getschedparam(pthread_self(),&policy,&my_priority);
          info("storio main thread Scheduling policy   = %s\n",
                    (policy == SCHED_OTHER) ? "SCHED_OTHER" :
                    (policy == SCHED_FIFO)  ? "SCHED_FIFO" :
                    (policy == SCHED_RR)    ? "SCHED_RR" :
                    "???");
 #if 1
      my_priority.sched_priority= 98;
      policy = SCHED_RR;
      ret = pthread_setschedparam(pthread_self(),policy,&my_priority);
      if (ret < 0) 
      {
	severe("error on sched_setscheduler: %s",strerror(errno));	
      }
      pthread_getschedparam(pthread_self(),&policy,&my_priority);
          DEBUG("RozoFS thread Scheduling policy (prio %d)  = %s\n",my_priority.sched_priority,
                    (policy == SCHED_OTHER) ? "SCHED_OTHER" :
                    (policy == SCHED_FIFO)  ? "SCHED_FIFO" :
                    (policy == SCHED_RR)    ? "SCHED_RR" :
                    "???");
 #endif        
     
    }  
#endif  
   /*
   ** start the file KPI service
   */
   rzkpi_file_service_init();

    /*
    ** create the fuse threads
    */
    info("FDL RozoFs Instance %d",args_p->instance);
    ret = rozofs_fuse_thread_intf_create("localhost",args_p->instance,3);
    if (ret < 0)
    {
       fatal("Cannot create fuse threads");
    }
    fuse_reply_thread_init();
    uma_dbg_addTopic("fuse_reply_thread", show_fuse_reply_thread);  
    
      
    /*
     ** main loop
     */
    while (1) {
        ruc_sockCtrl_selectWait();
    }
    fatal( "main() code is rotten" );
}