extern void slurm_persist_conn_recv_thread_init(slurm_persist_conn_t *persist_conn, int thread_loc, void *arg) { persist_service_conn_t *service_conn; if (thread_loc < 0) thread_loc = slurm_persist_conn_wait_for_thread_loc(); if (thread_loc < 0) return; service_conn = xmalloc(sizeof(persist_service_conn_t)); slurm_mutex_lock(&thread_count_lock); persist_service_conn[thread_loc] = service_conn; slurm_mutex_unlock(&thread_count_lock); service_conn->arg = arg; service_conn->conn = persist_conn; service_conn->thread_loc = thread_loc; persist_conn->timeout = 0; /* If this isn't zero we won't wait forever like we want to. */ //_service_connection(service_conn); slurm_thread_create(&persist_service_conn[thread_loc]->thread_id, _service_connection, service_conn); }
/* Process incoming RPCs. Meant to execute as a pthread */ extern void *rpc_mgr(void *no_data) { int sockfd, newsockfd; int i; uint16_t port; slurm_addr_t cli_addr; slurmdbd_conn_t *conn_arg = NULL; master_thread_id = pthread_self(); /* initialize port for RPCs */ if ((sockfd = slurm_init_msg_engine_port(get_dbd_port())) == SLURM_SOCKET_ERROR) fatal("slurm_init_msg_engine_port error %m"); slurm_persist_conn_recv_server_init(); /* * Process incoming RPCs until told to shutdown */ while (!shutdown_time && (i = slurm_persist_conn_wait_for_thread_loc()) >= 0) { /* * accept needed for stream implementation is a no-op in * message implementation that just passes sockfd to newsockfd */ if ((newsockfd = slurm_accept_msg_conn(sockfd, &cli_addr)) == SLURM_SOCKET_ERROR) { slurm_persist_conn_free_thread_loc(i); if (errno != EINTR) error("slurm_accept_msg_conn: %m"); continue; } fd_set_nonblocking(newsockfd); conn_arg = xmalloc(sizeof(slurmdbd_conn_t)); conn_arg->conn = xmalloc(sizeof(slurm_persist_conn_t)); conn_arg->conn->fd = newsockfd; conn_arg->conn->flags = PERSIST_FLAG_DBD; conn_arg->conn->callback_proc = proc_req; conn_arg->conn->callback_fini = _connection_fini_callback; conn_arg->conn->shutdown = &shutdown_time; conn_arg->conn->version = SLURM_MIN_PROTOCOL_VERSION; conn_arg->conn->rem_host = xmalloc_nz(sizeof(char) * 16); /* Don't fill in the rem_port here. It will be filled in * later if it is a slurmctld connection. */ slurm_get_ip_str(&cli_addr, &port, conn_arg->conn->rem_host, sizeof(char) * 16); slurm_persist_conn_recv_thread_init( conn_arg->conn, i, conn_arg); } debug("rpc_mgr shutting down"); (void) slurm_shutdown_msg_engine(sockfd); pthread_exit((void *) 0); return NULL; }