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https://github.com/ceph/ceph
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7b89ee666b
The files from the ceph-test subpackage are installed to /usr/bin, give them more useful names to make sure that the user know they belong to ceph. add a 'ceph_' prefix and change some test* binaries to ceph_test_*. Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de> Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
123 lines
3.6 KiB
C
123 lines
3.6 KiB
C
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <sys/ioctl.h>
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#include <netinet/in.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include "ioctl.h"
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char new_file_name[PATH_MAX];
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int main(int argc, char **argv)
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{
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char *fn;
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int fd, err;
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struct ceph_ioctl_layout l;
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struct ceph_ioctl_dataloc dl;
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if (argc < 3) {
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printf("usage: ceph_test_ioctls <filename> <offset>\n");
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return 1;
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}
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fn = argv[1];
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fd = open(fn, O_CREAT|O_RDWR, 0644);
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if (fd < 0) {
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perror("couldn't open file");
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return 1;
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}
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/* get layout */
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err = ioctl(fd, CEPH_IOC_GET_LAYOUT, (unsigned long)&l);
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if (err < 0) {
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perror("ioctl IOC_GET_LAYOUT error");
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return 1;
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}
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printf("layout:\n stripe_unit %lld\n stripe_count %lld\n object_size %lld\n data_pool %lld\n",
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(long long)l.stripe_unit, (long long)l.stripe_count, (long long)l.object_size, (long long)l.data_pool);
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/* set layout */
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l.stripe_unit = 1048576;
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l.stripe_count = 2;
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err = ioctl(fd, CEPH_IOC_SET_LAYOUT, (unsigned long)&l);
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if (err < 0) {
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perror("ioctl IOC_SET_LAYOUT error");
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return 1;
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}
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printf("set layout, writing to file\n");
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printf("file %s\n", fn);
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/* get layout again */
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err = ioctl(fd, CEPH_IOC_GET_LAYOUT, (unsigned long)&l);
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if (err < 0) {
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perror("ioctl IOC_GET_LAYOUT error");
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return 1;
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}
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printf("layout:\n stripe_unit %lld\n stripe_count %lld\n object_size %lld\n data_pool %lld\n",
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(long long)l.stripe_unit, (long long)l.stripe_count, (long long)l.object_size, (long long)l.data_pool);
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/* dataloc */
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dl.file_offset = atoll(argv[2]);
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err = ioctl(fd, CEPH_IOC_GET_DATALOC, (unsigned long)&dl);
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if (err < 0) {
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perror("ioctl IOC_GET_DATALOC error");
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return 1;
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}
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printf("dataloc:\n");
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printf(" file_offset %lld (of object start)\n", (long long)dl.file_offset);
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printf(" object '%s'\n object_offset %lld\n object_size %lld object_no %lld\n",
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dl.object_name, (long long)dl.object_offset, (long long)dl.object_size, (long long)dl.object_no);
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printf(" block_offset %lld\n block_size %lld\n",
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(long long)dl.block_offset, (long long)dl.block_size);
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char buf[80];
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getnameinfo((struct sockaddr *)&dl.osd_addr, sizeof(dl.osd_addr), buf, sizeof(buf), 0, 0, NI_NUMERICHOST);
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printf(" osd%lld %s\n", (long long)dl.osd, buf);
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if (argc < 4)
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return 0;
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/* set dir default layout */
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printf("testing dir policy setting\n");
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fd = open(argv[3], O_RDONLY);
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if (fd < 0) {
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perror("couldn't open dir");
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return 1;
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}
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l.object_size = 1048576;
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l.stripe_count = 1;
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err = ioctl(fd, CEPH_IOC_SET_LAYOUT_POLICY, (unsigned long)&l);
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if (err < 0) {
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perror("ioctl IOC_SET_LAYOUT_POLICY error");
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return 1;
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}
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printf("set layout, creating file\n");
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snprintf(new_file_name, sizeof(new_file_name),
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"%s/testfile", argv[3]);
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fd = open(new_file_name, O_CREAT | O_RDWR, 0644);
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if (fd < 0) {
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perror("couldn't open file");
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return 1;
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}
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err = ioctl(fd, CEPH_IOC_GET_LAYOUT, (unsigned long)&l);
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if (err < 0) {
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perror("ioctl IOC_GET_LAYOUT error");
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return 1;
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}
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printf("layout:\n stripe_unit %lld\n stripe_count %lld\n object_size %lld\n data_pool %lld\n",
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(long long)l.stripe_unit, (long long)l.stripe_count, (long long)l.object_size, (long long)l.data_pool);
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return 0;
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}
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