int dna_start_read	(	int	conn_id,
		int	size
	)

Definition at line 234 of file dna.c.

References DNA_CONNECTION::buffer, DNA_CONNECTION::buffer_size, DNA_CONNECTION::busy, DNA_CONNECTION::curr_buffer, DNA_CONNECTION::curr_size, DIM_ERROR, DIMTCPRDERR, Dna_conns, dna_report_error(), DNA_CONNECTION::full_size, size, tcpip_failure(), Tcpip_max_io_data_read, and tcpip_start_read().

Referenced by ast_conn_h(), ast_read_h(), and dna_open_client().

{
        register DNA_CONNECTION *dna_connp = &Dna_conns[conn_id];
        register int tcpip_code, read_size;
        int max_io_data;
        
        if(!dna_connp->busy)
        {
                return(0);
        }

        dna_connp->curr_size = size;
        dna_connp->full_size = size;
        if(size > dna_connp->buffer_size) 
        {
                dna_connp->buffer =
                                (int *) realloc(dna_connp->buffer, (size_t)size);
                dna_connp->buffer_size = size;
        }
        dna_connp->curr_buffer = (char *) dna_connp->buffer;
        max_io_data = Tcpip_max_io_data_read;
        read_size = (size > max_io_data) ? max_io_data : size ;

        tcpip_code = tcpip_start_read(conn_id, dna_connp->curr_buffer,
                                  read_size, ast_read_h);
        if(tcpip_failure(tcpip_code)) {
                dna_report_error(conn_id, tcpip_code,
                        "Reading from", DIM_ERROR, DIMTCPRDERR);

                return(0);
        }

        return(1);
}                                                               

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