Return to read.m CVS log

Up to [Apple Darwin 0.x] / driverkit / tests

Annotation of driverkit/tests/read.m, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: /*
                     25:  * Read once.
                     26:  */
                     27: 
                     28: #import <bsd/sys/types.h> 
                     29: #import <ansi/stdio.h>
                     30: #import <mach/kern_return.h>
                     31: #import <mach/mach.h>
                     32: #import <ansi/stdlib.h>
                     33: #import <bsd/libc.h>
                     34: #import "buflib.h"
                     35: #import "defaults.h"
                     36: #import <remote/NXConnection.h>
                     37: #import <driverkit/IODisk.h>
                     38: #import <driverkit/IODiskRwDistributed.h>
                     39: 
                     40: void usage(char **argv);
                     41: void exit(int exitcode);
                     42: void mach_error(char *c, kern_return_t e);
                     43: 
                     44: int main(int argc, char **argv) {
                     45: 
                     46:        int             arg;
                     47:        char            c;
                     48:        id              targetId;
                     49:        IOReturn        rtn;
                     50:        u_int           bytes_xfr;
                     51:        const char      *outstr;
                     52:        IOData          *rdata;
                     53:        
                     54:        /*
                     55:         * user-spec'd variables 
                     56:         */
                     57:        u_char          dump_data = 0;          /* dump read data to stdout */
                     58:        u_int           byte_count=BYTE_COUNT_DEFAULT;  /* bytes to read */
                     59:        u_int           block_num=0;            
                     60:        char            *hostname=HOST_DEFAULT;
                     61:        char            *devname=DEVICE_DEFAULT;
                     62:        char            do_unaligned=0;         /* force non-page-aligned read
                     63:                                                 * buffer */
                     64:                
                     65:        /*
                     66:         * FIXME - isn't there a better way to ensure that IOData gets 
                     67:         * linked into this executable? We need it to be linked so that
                     68:         * DO decode can instantiate it.
                     69:         */
                     70:        targetId = [IOData alloc];
                     71:        [targetId free];
                     72:        
                     73:        /*
                     74:         * Get standard defaults from environment or defaults.h
                     75:         */
                     76:        get_default("byte_count", &byte_count, BYTE_COUNT_DEFAULT);
                     77:        get_default_t("hostname", &hostname, HOST_DEFAULT);
                     78:        get_default_t("devname", &devname, DEVICE_DEFAULT);
                     79: 
                     80:        for(arg=1; arg<argc; arg++) {
                     81:                c = argv[arg][0];
                     82:                switch(c) {
                     83:                    case 'y':
                     84:                        byte_count = atoi(&argv[arg][2]);
                     85:                        break;
                     86:                    case 'h':
                     87:                        hostname = &argv[arg][2];
                     88:                        break;
                     89:                    case 'd':
                     90:                        devname = &argv[arg][2];
                     91:                        break;
                     92:                    case 'b':
                     93:                        block_num = atoi(&argv[arg][2]);
                     94:                        break;
                     95:                    case 'p':
                     96:                        dump_data++;
                     97:                        break;
                     98:                    case 'u':
                     99:                        do_unaligned++;
                    100:                        break;
                    101:                    default:
                    102:                        usage(argv);
                    103:                }
                    104:        }
                    105:        targetId = [NXConnection connectToName:devname
                    106:                                         onHost:hostname];
                    107:        if(targetId == nil) {
                    108:                printf("connectToName:%s failed\n", devname);
                    109:                exit(1);
                    110:        }
                    111: 
                    112:        rtn = [targetId readAt:block_num
                    113:                        length:byte_count
                    114:                        data:&rdata
                    115:                        actualLength:&bytes_xfr];
                    116:        if(rtn != IO_R_SUCCESS) {
                    117:                outstr = [targetId stringFromReturn:rtn];
                    118:                printf("read: %s\n", outstr);
                    119:                exit(1);
                    120:        }
                    121:        if(bytes_xfr != byte_count) {
                    122:                printf("bytes_xfr = %d; expected %d\n", bytes_xfr, byte_count);
                    123:        }       
                    124:        if(dump_data) 
                    125:                dump_buf((u_char *)[rdata data], bytes_xfr);
                    126:        else 
                    127:                printf("...ok\n");
                    128:        exit(0);
                    129: 
                    130: } /* main() */
                    131: 
                    132: void usage(char **argv) {
                    133:        printf("usage: %s [y=byte_count] [p (dump data)] [u(naligned buffer)] [b=block_num] [h=hostname] [d=devname]\n", argv[0]);
                    134:        exit(1);
                    135: }
                    136: 

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.