/** * 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(); } }
/** * 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" ); }