/**
* 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" );
}
uint32_t ruc_init(uint32_t test,uint16_t dbg_port,uint16_t exportd_instance) {
int ret;
uint32_t mx_tcp_client = 2;
uint32_t mx_tcp_server = 2;
uint32_t mx_tcp_server_cnx = 10;
uint32_t mx_af_unix_ctx = 512;
uint32_t mx_lbg_north_ctx = 64;
//#warning TCP configuration ressources is hardcoded!!
/*
** init of the system ticker
*/
rozofs_init_ticker();
/*
** trace buffer initialization
*/
ruc_traceBufInit();
#if 1
/*
** Not needed since there is already done
** by libUtil
*/
/* catch the sigpipe signal for socket
** connections with RELC(s) in this way when a RELC
** connection breaks an errno is set on a recv or send
** socket primitive
*/
struct sigaction sigAction;
sigAction.sa_flags=SA_RESTART;
sigAction.sa_handler = SIG_IGN; /* Mask SIGPIPE */
if(sigaction (SIGPIPE, &sigAction, NULL) < 0)
{
exit(0);
}
#if 0
sigAction.sa_flags=SA_RESTART;
sigAction.sa_handler = hand; /* */
if(sigaction (SIGUSR1, &sigAction, NULL) < 0)
{
exit(0);
}
#endif
#endif
/*
** initialize the socket controller:
** for: NPS, Timer, Debug, etc...
*/
//#warning set the number of contexts for socketCtrl to 256
ret = ruc_sockctl_init(256);
if (ret != RUC_OK)
{
fatal( " socket controller init failed" );
}
/*
** Timer management init
*/
ruc_timer_moduleInit(FALSE);
while(1)
{
/*
**--------------------------------------
** configure the number of TCP connection
** supported
**--------------------------------------
**
*/
ret = uma_tcp_init(mx_tcp_client+mx_tcp_server+mx_tcp_server_cnx);
if (ret != RUC_OK) break;
/*
**--------------------------------------
** configure the number of TCP server
** context supported
**--------------------------------------
**
*/
ret = ruc_tcp_server_init(mx_tcp_server);
if (ret != RUC_OK) break;
#if 0
/*
**--------------------------------------
** configure the number of TCP client
** context supported
**--------------------------------------
**
*/
ret = ruc_tcp_clientinit(mx_tcp_client);
if (ret != RUC_OK) break;
#endif
/*
**--------------------------------------
** configure the number of AF_UNIX
** context supported
**--------------------------------------
**
*/
ret = af_unix_module_init(mx_af_unix_ctx,
32,1024*32, // xmit(count,size)
32,1024*32 // recv(count,size)
);
if (ret != RUC_OK) break;
/*
**--------------------------------------
** configure the number of Load Balancer
** contexts supported
**--------------------------------------
**
*/
ret = north_lbg_module_init(mx_lbg_north_ctx);
if (ret != RUC_OK) break;
/*
** init of the rpc client module
*/
ret = rozofs_rpc_module_init();
if (ret != RUC_OK) break;
/*
** Init of the module that handles the configuration channel with main process of exportd
*/
ret = expgwc_int_chan_moduleInit();
if (ret != RUC_OK) break;
ret = rozofs_tx_module_init(EXPORTNB_SOUTH_TX_CNT, // transactions count
EXPORTNB_SOUTH_TX_RECV_BUF_CNT,EXPORTNB_SOUTH_TX_RECV_BUF_SZ, // xmit small [count,size]
EXPORTNB_SOUTH_TX_RECV_BUF_CNT,EXPORTNB_SOUTH_TX_RECV_BUF_SZ, // xmit large [count,size]
EXPORTNB_SOUTH_TX_RECV_BUF_CNT,EXPORTNB_SOUTH_TX_RECV_BUF_SZ, // recv small [count,size]
EXPORTNB_SOUTH_TX_RECV_BUF_CNT,EXPORTNB_SOUTH_TX_RECV_BUF_SZ); // recv large [count,size];
break;
}
/*
** internal debug init
*/
//ruc_debug_init();
/*
**--------------------------------------
** D E B U G M O D U L E
**--------------------------------------
*/
uma_dbg_init(10,INADDR_ANY,dbg_port);
{
char name[32];
sprintf(name, "exportd %d ", exportd_instance);
uma_dbg_set_name(name);
}
//#warning Start of specific application initialization code
return ret;
}
