Revision b6353bea qemu-nbd.c
| b/qemu-nbd.c | ||
|---|---|---|
| 114 | 114 |
int ext_partnum = 4; |
| 115 | 115 |
|
| 116 | 116 |
if (bdrv_read(bs, 0, data, 1)) |
| 117 |
errx(EINVAL, "error while reading");
|
|
| 117 |
errx(EXIT_FAILURE, "error while reading");
|
|
| 118 | 118 |
|
| 119 | 119 |
if (data[510] != 0x55 || data[511] != 0xaa) {
|
| 120 | 120 |
errno = -EINVAL; |
| ... | ... | |
| 133 | 133 |
int j; |
| 134 | 134 |
|
| 135 | 135 |
if (bdrv_read(bs, mbr[i].start_sector_abs, data1, 1)) |
| 136 |
errx(EINVAL, "error while reading");
|
|
| 136 |
errx(EXIT_FAILURE, "error while reading");
|
|
| 137 | 137 |
|
| 138 | 138 |
for (j = 0; j < 4; j++) {
|
| 139 | 139 |
read_partition(&data1[446 + 16 * j], &ext[j]); |
| ... | ... | |
| 240 | 240 |
case 'p': |
| 241 | 241 |
li = strtol(optarg, &end, 0); |
| 242 | 242 |
if (*end) {
|
| 243 |
errx(EINVAL, "Invalid port `%s'", optarg);
|
|
| 243 |
errx(EXIT_FAILURE, "Invalid port `%s'", optarg);
|
|
| 244 | 244 |
} |
| 245 | 245 |
if (li < 1 || li > 65535) {
|
| 246 |
errx(EINVAL, "Port out of range `%s'", optarg);
|
|
| 246 |
errx(EXIT_FAILURE, "Port out of range `%s'", optarg);
|
|
| 247 | 247 |
} |
| 248 | 248 |
port = (uint16_t)li; |
| 249 | 249 |
break; |
| 250 | 250 |
case 'o': |
| 251 | 251 |
dev_offset = strtoll (optarg, &end, 0); |
| 252 | 252 |
if (*end) {
|
| 253 |
errx(EINVAL, "Invalid offset `%s'", optarg);
|
|
| 253 |
errx(EXIT_FAILURE, "Invalid offset `%s'", optarg);
|
|
| 254 | 254 |
} |
| 255 | 255 |
if (dev_offset < 0) {
|
| 256 |
errx(EINVAL, "Offset must be positive `%s'", optarg);
|
|
| 256 |
errx(EXIT_FAILURE, "Offset must be positive `%s'", optarg);
|
|
| 257 | 257 |
} |
| 258 | 258 |
break; |
| 259 | 259 |
case 'r': |
| ... | ... | |
| 263 | 263 |
case 'P': |
| 264 | 264 |
partition = strtol(optarg, &end, 0); |
| 265 | 265 |
if (*end) |
| 266 |
errx(EINVAL, "Invalid partition `%s'", optarg);
|
|
| 266 |
errx(EXIT_FAILURE, "Invalid partition `%s'", optarg);
|
|
| 267 | 267 |
if (partition < 1 || partition > 8) |
| 268 |
errx(EINVAL, "Invalid partition %d", partition);
|
|
| 268 |
errx(EXIT_FAILURE, "Invalid partition %d", partition);
|
|
| 269 | 269 |
break; |
| 270 | 270 |
case 'k': |
| 271 | 271 |
socket = optarg; |
| 272 | 272 |
if (socket[0] != '/') |
| 273 |
errx(EINVAL, "socket path must be absolute\n");
|
|
| 273 |
errx(EXIT_FAILURE, "socket path must be absolute\n");
|
|
| 274 | 274 |
break; |
| 275 | 275 |
case 'd': |
| 276 | 276 |
disconnect = true; |
| ... | ... | |
| 281 | 281 |
case 'e': |
| 282 | 282 |
shared = strtol(optarg, &end, 0); |
| 283 | 283 |
if (*end) {
|
| 284 |
errx(EINVAL, "Invalid shared device number '%s'", optarg);
|
|
| 284 |
errx(EXIT_FAILURE, "Invalid shared device number '%s'", optarg);
|
|
| 285 | 285 |
} |
| 286 | 286 |
if (shared < 1) {
|
| 287 |
errx(EINVAL, "Shared device number must be greater than 0\n");
|
|
| 287 |
errx(EXIT_FAILURE, "Shared device number must be greater than 0\n");
|
|
| 288 | 288 |
} |
| 289 | 289 |
break; |
| 290 | 290 |
case 't': |
| ... | ... | |
| 302 | 302 |
exit(0); |
| 303 | 303 |
break; |
| 304 | 304 |
case '?': |
| 305 |
errx(EINVAL, "Try `%s --help' for more information.",
|
|
| 305 |
errx(EXIT_FAILURE, "Try `%s --help' for more information.",
|
|
| 306 | 306 |
argv[0]); |
| 307 | 307 |
} |
| 308 | 308 |
} |
| 309 | 309 |
|
| 310 | 310 |
if ((argc - optind) != 1) {
|
| 311 |
errx(EINVAL, "Invalid number of argument.\n"
|
|
| 311 |
errx(EXIT_FAILURE, "Invalid number of argument.\n"
|
|
| 312 | 312 |
"Try `%s --help' for more information.", |
| 313 | 313 |
argv[0]); |
| 314 | 314 |
} |
| ... | ... | |
| 316 | 316 |
if (disconnect) {
|
| 317 | 317 |
fd = open(argv[optind], O_RDWR); |
| 318 | 318 |
if (fd == -1) |
| 319 |
errx(errno, "Cannot open %s", argv[optind]);
|
|
| 319 |
errx(EXIT_FAILURE, "Cannot open %s", argv[optind]);
|
|
| 320 | 320 |
|
| 321 | 321 |
nbd_disconnect(fd); |
| 322 | 322 |
|
| ... | ... | |
| 340 | 340 |
|
| 341 | 341 |
if (partition != -1 && |
| 342 | 342 |
find_partition(bs, partition, &dev_offset, &fd_size)) |
| 343 |
errx(errno, "Could not find partition %d", partition);
|
|
| 343 |
errx(EXIT_FAILURE, "Could not find partition %d", partition);
|
|
| 344 | 344 |
|
| 345 | 345 |
if (device) {
|
| 346 | 346 |
pid_t pid; |
| ... | ... | |
| 349 | 349 |
if (!verbose) {
|
| 350 | 350 |
/* detach client and server */ |
| 351 | 351 |
if (daemon(0, 0) == -1) {
|
| 352 |
errx(errno, "Failed to daemonize");
|
|
| 352 |
errx(EXIT_FAILURE, "Failed to daemonize");
|
|
| 353 | 353 |
} |
| 354 | 354 |
} |
| 355 | 355 |
|
| ... | ... | |
| 429 | 429 |
|
| 430 | 430 |
data = qemu_memalign(512, NBD_BUFFER_SIZE); |
| 431 | 431 |
if (data == NULL) |
| 432 |
errx(ENOMEM, "Cannot allocate data buffer");
|
|
| 432 |
errx(EXIT_FAILURE, "Cannot allocate data buffer");
|
|
| 433 | 433 |
|
| 434 | 434 |
do {
|
| 435 | 435 |
|
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