|
|
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: * wrclp.m - write/read/compare loop ! 26: */ ! 27: ! 28: #import <bsd/sys/types.h> ! 29: #import <driverkit/IOClient.h> ! 30: #import <ansi/stdio.h> ! 31: #import <mach/kern_return.h> ! 32: #import <mach/mach.h> ! 33: #import <ansi/stdlib.h> ! 34: #import <ansi/stdio.h> ! 35: #import <bsd/fcntl.h> ! 36: #import "buflib.h" ! 37: #import "defaults.h" ! 38: ! 39: void usage(char **argv); ! 40: void exit(int exitcode); ! 41: void mach_error(char *c, kern_return_t e); ! 42: void fill_buf(u_char *buf, register int size, char data_patt); ! 43: ! 44: int main(int argc, char **argv) { ! 45: ! 46: int arg; ! 47: char c; ! 48: id idClient; ! 49: IOReturn rtn; ! 50: char *rbuf, *wbuf; ! 51: kern_return_t krtn; ! 52: u_int bytes_xfr; ! 53: int loop_num; ! 54: char outstr[100]; ! 55: ! 56: /* ! 57: * user-spec'd variables ! 58: */ ! 59: u_int byte_count=BYTE_COUNT_DEFAULT; /* bytes to read */ ! 60: u_int block_num=0; ! 61: char *hostname=HOST_DEFAULT; ! 62: char *devname=DEVICE_DEFAULT; ! 63: int loop_count; ! 64: int open_each_loop=0; ! 65: int async = 0; ! 66: ! 67: if(argc < 2) ! 68: usage(argv); ! 69: loop_count = atoi(argv[1]); ! 70: ! 71: /* ! 72: * Get standard defaults from environment or defaults.h ! 73: */ ! 74: get_default("byte_count", &byte_count, BYTE_COUNT_DEFAULT); ! 75: get_default_t("hostname", &hostname, HOST_DEFAULT); ! 76: get_default_t("devname", &devname, DEVICE_DEFAULT); ! 77: ! 78: for(arg=2; arg<argc; arg++) { ! 79: c = argv[arg][0]; ! 80: switch(c) { ! 81: case 'y': ! 82: byte_count = atoi(&argv[arg][2]); ! 83: break; ! 84: case 'h': ! 85: hostname = &argv[arg][2]; ! 86: break; ! 87: case 'd': ! 88: devname = &argv[arg][2]; ! 89: break; ! 90: case 'b': ! 91: block_num = atoi(&argv[arg][2]); ! 92: break; ! 93: case 'o': ! 94: open_each_loop++; ! 95: break; ! 96: case 'a': ! 97: async++; ! 98: break; ! 99: default: ! 100: usage(argv); ! 101: } ! 102: } ! 103: rtn = [IOClient clientOpen:devname ! 104: hostName:hostname ! 105: intentions:(IO_INT_READ|IO_INT_WRITE) ! 106: idp:&idClient]; ! 107: if(rtn) { ! 108: [IOClient ioError:rtn logString:"clientOpen" outString:outstr]; ! 109: printf(outstr); ! 110: exit(1); ! 111: } ! 112: krtn = vm_allocate(task_self(), ! 113: (vm_address_t *)&rbuf, ! 114: byte_count, ! 115: TRUE); ! 116: if(krtn) { ! 117: mach_error("vm_allocate(rbuf)", krtn); ! 118: exit(1); ! 119: } ! 120: krtn = vm_allocate(task_self(), ! 121: (vm_address_t *)&wbuf, ! 122: byte_count, ! 123: TRUE); ! 124: if(krtn) { ! 125: mach_error("vm_allocate(wbuf)", krtn); ! 126: exit(1); ! 127: } ! 128: for(loop_num=0; loop_num<loop_count; loop_num++) { ! 129: /* ! 130: * initialize read/write buffers. Data = loop #. ! 131: */ ! 132: fill_buf((u_char *)wbuf, byte_count, (char)loop_num); ! 133: fill_buf((u_char *)rbuf, byte_count, 0); ! 134: ! 135: if(async) { ! 136: rtn = [idClient ioWriteAsync:block_num ! 137: bytesReq:byte_count ! 138: buf:wbuf ! 139: queueId:block_num+1]; ! 140: if(rtn) ! 141: goto write_error; ! 142: rtn = [idClient ioWriteWait:block_num+1 ! 143: bytesXfr:&bytes_xfr]; ! 144: } ! 145: else { ! 146: rtn = [idClient ioWrite:block_num ! 147: bytesReq:byte_count ! 148: buf:wbuf ! 149: bytesXfr:&bytes_xfr]; ! 150: } ! 151: write_error: ! 152: if(rtn != IO_R_SUCCESS) { ! 153: [IOClient ioError:rtn ! 154: logString: async ? "ioWriteAsync" : "ioWrite" ! 155: outString:outstr]; ! 156: printf(outstr); ! 157: exit(1); ! 158: } ! 159: if(async) { ! 160: rtn = [idClient ioReadAsync:block_num ! 161: bytesReq:byte_count ! 162: queueId:block_num+1]; ! 163: if(rtn) ! 164: goto read_error; ! 165: rtn = [idClient ioReadWait:block_num+1 ! 166: buf:rbuf ! 167: bytesXfr:&bytes_xfr]; ! 168: } ! 169: else { ! 170: rtn = [idClient ioRead:block_num ! 171: bytesReq:byte_count ! 172: buf:rbuf ! 173: bytesXfr:&bytes_xfr]; ! 174: } ! 175: read_error: ! 176: if(rtn != IO_R_SUCCESS) { ! 177: [IOClient ioError:rtn ! 178: logString: async ? "ioReadAsync" : "ioRead" ! 179: outString:outstr]; ! 180: printf(outstr); ! 181: exit(1); ! 182: } ! 183: if(bytes_xfr != byte_count) { ! 184: printf("bytes_xfr = %d; expected %d\n", bytes_xfr, ! 185: byte_count); ! 186: } ! 187: if(buf_comp(byte_count, (u_char *)wbuf, (u_char *)rbuf)) ! 188: exit(1); ! 189: if(loop_num % 100 == 0) { ! 190: printf("."); ! 191: fflush(stdout); ! 192: } ! 193: if(open_each_loop && (loop_num<loop_count)) { ! 194: rtn = [idClient ioClose]; ! 195: if(rtn) { ! 196: [IOClient ioError:rtn ! 197: logString:"ioClose" ! 198: outString:outstr]; ! 199: printf(outstr); ! 200: exit(1); ! 201: } ! 202: rtn = [IOClient clientOpen:devname ! 203: hostName:hostname ! 204: intentions:(IO_INT_READ|IO_INT_WRITE) ! 205: idp:&idClient]; ! 206: if(rtn) { ! 207: [IOClient ioError:rtn ! 208: logString:"clientOpen" ! 209: outString:outstr]; ! 210: printf(outstr); ! 211: exit(1); ! 212: } ! 213: } ! 214: } ! 215: rtn = [idClient ioClose]; ! 216: if(rtn) { ! 217: [IOClient ioError:rtn ! 218: logString:"ioClose" ! 219: outString:outstr]; ! 220: printf(outstr); ! 221: exit(1); ! 222: } ! 223: printf("\n...ok\n"); ! 224: exit(0); ! 225: ! 226: } /* main() */ ! 227: ! 228: void usage(char **argv) { ! 229: printf("usage: %s loop_count [options]\n", argv[0]); ! 230: printf("Options:\n"); ! 231: printf("\ty=byte_count\n"); ! 232: printf("\to(pen_each_lp)\n"); ! 233: printf("\tb=block_num\n"); ! 234: printf("\th=hostname\n"); ! 235: printf("\td=devname\n"); ! 236: printf("\ta(async I/O)\n"); ! 237: exit(1); ! 238: } ! 239: ! 240: void fill_buf(u_char *buf, register int size, char data_patt) { ! 241: ! 242: register int i; ! 243: ! 244: for(i=0; i<size; i++) ! 245: *buf++ = data_patt++; ! 246: } /* fill_buf() */ ! 247: ! 248:
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.