static int is_header ( int  conn_id )

static

Definition at line 62 of file dna.c.

References DNA_CONNECTION::buffer, Dna_conns, HDR_MAGIC, RD_DATA, RD_HDR, DNA_CONNECTION::read_ast, READ_HEADER_SIZE, STA_DISC, DNA_CONNECTION::state, TRP_MAGIC, and TST_MAGIC.

Referenced by ast_read_h().

{
        register DNA_CONNECTION *dna_connp = &Dna_conns[conn_id];
        register int ret;

        ret = 0;
        if( (vtohl(dna_connp->buffer[2]) == TRP_MAGIC) &&
            (vtohl(dna_connp->buffer[1]) == 0) &&
            (vtohl(dna_connp->buffer[0]) == READ_HEADER_SIZE) )
        {
                dna_connp->state = RD_HDR;
                ret = 1;
        } 
        else if( (vtohl(dna_connp->buffer[2]) == TST_MAGIC) &&
                   (vtohl(dna_connp->buffer[1]) == 0) &&
                   (vtohl(dna_connp->buffer[0]) == READ_HEADER_SIZE) )
        {
                dna_connp->state = RD_HDR;
                ret = 1;
        } 
        else if( (vtohl(dna_connp->buffer[2]) == (int)HDR_MAGIC ) &&
                   (vtohl(dna_connp->buffer[0]) == (int)READ_HEADER_SIZE ) )
        {
                dna_connp->state = RD_DATA;
                ret = 1;
        } 
        else 
        {
/*
                dim_print_date_time();
                printf( " conn: %d to %s@%s, expecting header\n", conn_id,
                        Net_conns[conn_id].task, Net_conns[conn_id].node );
                printf( "buffer[0]=%d\n", vtohl(dna_connp->buffer[0]));
                printf( "buffer[1]=%d\n", vtohl(dna_connp->buffer[1]));
                printf( "buffer[2]=%x\n", vtohl(dna_connp->buffer[2]));
                printf( "closing the connection.\n" );
                printf( " Previous conn: %d, Previous Packet\n", Prev_conn_id);
                printf( "buffer[0]=%d\n", vtohl(Prev_packet[0]));
                printf( "buffer[1]=%d\n", vtohl(Prev_packet[1]));
                printf( "buffer[2]=%x\n", vtohl(Prev_packet[2]));
                printf( " Previous Buffer\n");
                printf( "buffer[0]=%d\n", vtohl(Prev_buffer[0]));
                printf( "buffer[1]=%d\n", vtohl(Prev_buffer[1]));
                printf( "buffer[2]=%x\n", vtohl(Prev_buffer[2]));
                fflush(stdout);
*/
                dna_connp->read_ast(conn_id, NULL, 0, STA_DISC);
                ret = 0;
        }                       
        return(ret);
}

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