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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.c - Read n' times ! 26: */ ! 27: ! 28: #import <bsd/sys/types.h> ! 29: #import <remote/NXConnection.h> ! 30: #import <driverkit/IODisk.h> ! 31: #import <driverkit/IODiskRwDistributed.h> ! 32: #import <ansi/stdio.h> ! 33: #import <mach/kern_return.h> ! 34: #import <mach/mach.h> ! 35: #import <ansi/stdlib.h> ! 36: #import <bsd/libc.h> ! 37: #import "buflib.h" ! 38: #import "defaults.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: IOData *rdata; ! 51: u_int bytes_xfr; ! 52: int loop_num; ! 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: int loop_count; ! 63: int quiet = 0; ! 64: char do_unaligned=0; /* force non-page-aligned read ! 65: * buffer */ ! 66: ! 67: /* ! 68: * FIXME - isn't there a better way to ensure that IOData gets ! 69: * linked into this executable? We need it to be linked so that ! 70: * DO decode can instantiate it. ! 71: */ ! 72: targetId = [IOData alloc]; ! 73: [targetId free]; ! 74: ! 75: if(argc < 2) ! 76: usage(argv); ! 77: loop_count = atoi(argv[1]); ! 78: ! 79: /* ! 80: * Get standard defaults from environment or defaults.h ! 81: */ ! 82: get_default("byte_count", &byte_count, BYTE_COUNT_DEFAULT); ! 83: get_default_t("hostname", &hostname, HOST_DEFAULT); ! 84: get_default_t("devname", &devname, DEVICE_DEFAULT); ! 85: ! 86: for(arg=2; arg<argc; arg++) { ! 87: c = argv[arg][0]; ! 88: switch(c) { ! 89: case 'y': ! 90: byte_count = atoi(&argv[arg][2]); ! 91: break; ! 92: case 'h': ! 93: hostname = &argv[arg][2]; ! 94: break; ! 95: case 'd': ! 96: devname = &argv[arg][2]; ! 97: break; ! 98: case 'b': ! 99: block_num = atoi(&argv[arg][2]); ! 100: break; ! 101: case 'p': ! 102: dump_data++; ! 103: break; ! 104: case 'u': ! 105: do_unaligned++; ! 106: break; ! 107: case 'q': ! 108: quiet++; ! 109: break; ! 110: default: ! 111: usage(argv); ! 112: } ! 113: } ! 114: targetId = [NXConnection connectToName:devname ! 115: onHost:hostname]; ! 116: if(targetId == nil) { ! 117: printf("connectToName:%s failed\n", devname); ! 118: exit(1); ! 119: } ! 120: for(loop_num=0; loop_num<loop_count; loop_num++) { ! 121: rtn = [targetId readAt:block_num ! 122: length:byte_count ! 123: data:&rdata ! 124: actualLength:&bytes_xfr]; ! 125: if(rtn != IO_R_SUCCESS) { ! 126: printf("read: %s\n", [targetId stringFromReturn:rtn]); ! 127: exit(1); ! 128: } ! 129: if(bytes_xfr != byte_count) { ! 130: printf("bytes_xfr = %d; expected %d\n", ! 131: bytes_xfr, byte_count); ! 132: } ! 133: if(dump_data) ! 134: dump_buf((u_char *)[rdata data], bytes_xfr); ! 135: else if(!quiet && (loop_num % 100 == 0)) { ! 136: printf("."); ! 137: fflush(stdout); ! 138: } ! 139: [rdata free]; ! 140: } ! 141: if(!dump_data) ! 142: printf("...ok\n"); ! 143: exit(0); ! 144: ! 145: } /* main() */ ! 146: ! 147: void usage(char **argv) { ! 148: printf("usage: %s loop_count [y=byte_count] [p (dump data)] [q(uiet)] [u(unaligned)] [b=block_num] [h=hostname] [d=devname]\n", argv[0]); ! 149: exit(1); ! 150: } ! 151:
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