int open_dns	(	dim_long	dnsid,
		void(*)()	recv_rout,
		void(*)()	error_rout,
		int	tmout_min,
		int	tmout_max,
		SRC_TYPES	src_type
	)

Definition at line 313 of file open_dns.c.

References dns_ent::conn_id, dns_ent::connecting, dna_open_client(), DNS_TASK, dtq_add_entry(), dtq_create(), dns_ent::error_rout, get_dns(), get_dns_pars(), i, MAX_DNS_NODE, MAX_NODE_NAME, MAX_TASK_NAME, dns_ent::pending, rand_tmout(), dns_ent::recv_rout, recv_rout(), dns_ent::task_name, TCPIP, Timer_q, and dns_ent::timr_ent.

Referenced by dis_start_serving_dns(), locate_service(), recv_dns_dis_rout(), and request_dns_info().

{
        char nodes[MAX_DNS_NODE];
        char node_info[MAX_NODE_NAME+4];
        register char *dns_node, *ptr; 
        register int conn_id;
        register int timeout, node_exists;
        int i, dns_port;
        int rand_tmout();
        DNS_CONN *connp;

        conn_id = 0;
        if( !Timer_q )
                Timer_q = dtq_create();

        connp = get_dns((DNS_CONN *)dnsid, src_type);
        node_exists = get_dns_pars(connp, nodes, &dns_port);
        if( !(connp->pending) ) 
        {
                if(!node_exists)
                {
                        return(-2);
                }
                ptr = nodes;                    
                while(1)
                {
                        dns_node = ptr;
                        if( (ptr = (char *)strchr(ptr,',')) )
                        {
                                *ptr = '\0';                    
                                ptr++;
                        }
                        strcpy(node_info,dns_node);
                        for(i = 0; i < 4; i ++)
                                node_info[(int)strlen(node_info)+i+1] = (char)0xff;
                        connp->conn_id = 0;
                        connp->connecting = 1;
                        conn_id = dna_open_client( node_info, DNS_TASK, dns_port,
                                                 TCPIP, recv_rout, error_rout, src_type );
                        connp->connecting = 0;
                        if(conn_id)
                                break;
                        if( !ptr )
                                break;
                }
                connp->conn_id = conn_id;
                if(!conn_id)
                {
                        strncpy(connp->task_name, DNS_TASK, (size_t)MAX_TASK_NAME); 
                        connp->recv_rout = recv_rout;
                        connp->error_rout = error_rout;
                        connp->pending = 1;
                        timeout = rand_tmout( tmout_min, tmout_max );
                        connp->timr_ent = dtq_add_entry( Timer_q, timeout,
                                retry_dns_connection,
                                connp );
                        return( -1);
                }
        }
        else
                return(-1);
        return(conn_id);
}

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