diff options
Diffstat (limited to 'xlators/features/changelog/lib/examples')
| -rw-r--r-- | xlators/features/changelog/lib/examples/c/get-changes-multi.c | 80 | ||||
| -rw-r--r-- | xlators/features/changelog/lib/examples/c/get-changes.c | 96 | ||||
| -rw-r--r-- | xlators/features/changelog/lib/examples/c/get-history.c | 144 | ||||
| -rwxr-xr-x[-rw-r--r--] | xlators/features/changelog/lib/examples/python/changes.py | 16 | ||||
| -rw-r--r-- | xlators/features/changelog/lib/examples/python/libgfchangelog.py | 9 |
5 files changed, 184 insertions, 161 deletions
diff --git a/xlators/features/changelog/lib/examples/c/get-changes-multi.c b/xlators/features/changelog/lib/examples/c/get-changes-multi.c index 3741bdf6edc..5ea5bbb6630 100644 --- a/xlators/features/changelog/lib/examples/c/get-changes-multi.c +++ b/xlators/features/changelog/lib/examples/c/get-changes-multi.c @@ -25,64 +25,66 @@ #include "changelog.h" -void *brick_init (void *xl, struct gf_brick_spec *brick) +void * +brick_init(void *xl, struct gf_brick_spec *brick) { - return brick; + return brick; } -void brick_fini (void *xl, char *brick, void *data) +void +brick_fini(void *xl, char *brick, void *data) { - return; + return; } -void brick_callback (void *xl, char *brick, - void *data, changelog_event_t *ev) +void +brick_callback(void *xl, char *brick, void *data, changelog_event_t *ev) { - printf ("->callback: (brick,type) [%s:%d]\n", brick, ev->ev_type); + printf("->callback: (brick,type) [%s:%d]\n", brick, ev->ev_type); } -void fill_brick_spec (struct gf_brick_spec *brick, char *path) +void +fill_brick_spec(struct gf_brick_spec *brick, char *path) { - brick->brick_path = strdup (path); - brick->filter = CHANGELOG_OP_TYPE_BR_RELEASE; - - brick->init = brick_init; - brick->fini = brick_fini; - brick->callback = brick_callback; - brick->connected = NULL; - brick->disconnected = NULL; + brick->brick_path = strdup(path); + brick->filter = CHANGELOG_OP_TYPE_BR_RELEASE; + + brick->init = brick_init; + brick->fini = brick_fini; + brick->callback = brick_callback; + brick->connected = NULL; + brick->disconnected = NULL; } int -main (int argc, char **argv) +main(int argc, char **argv) { - int ret = 0; - void *bricks = NULL; - struct gf_brick_spec *brick = NULL; + int ret = 0; + void *bricks = NULL; + struct gf_brick_spec *brick = NULL; - bricks = calloc (2, sizeof (struct gf_brick_spec)); - if (!bricks) - goto error_return; + bricks = calloc(2, sizeof(struct gf_brick_spec)); + if (!bricks) + goto error_return; - brick = (struct gf_brick_spec *)bricks; - fill_brick_spec (brick, "/export/z1/zwoop"); + brick = (struct gf_brick_spec *)bricks; + fill_brick_spec(brick, "/export/z1/zwoop"); - brick++; - fill_brick_spec (brick, "/export/z2/zwoop"); + brick++; + fill_brick_spec(brick, "/export/z2/zwoop"); - ret = gf_changelog_init (NULL); - if (ret) - goto error_return; + ret = gf_changelog_init(NULL); + if (ret) + goto error_return; - ret = gf_changelog_register_generic ((struct gf_brick_spec *)bricks, 2, - 0, "/tmp/multi-changes.log", 9, - NULL); - if (ret) - goto error_return; + ret = gf_changelog_register_generic((struct gf_brick_spec *)bricks, 2, 0, + "/tmp/multi-changes.log", 9, NULL); + if (ret) + goto error_return; - /* let callbacks do the job */ - select (0, NULL, NULL, NULL, NULL); + /* let callbacks do the job */ + select(0, NULL, NULL, NULL, NULL); - error_return: - return -1; +error_return: + return -1; } diff --git a/xlators/features/changelog/lib/examples/c/get-changes.c b/xlators/features/changelog/lib/examples/c/get-changes.c index 0b2808c7e35..8bc651c24a4 100644 --- a/xlators/features/changelog/lib/examples/c/get-changes.c +++ b/xlators/features/changelog/lib/examples/c/get-changes.c @@ -27,61 +27,67 @@ #include "changelog.h" -#define handle_error(fn) \ - printf ("%s (reason: %s)\n", fn, strerror (errno)) +#define handle_error(fn) printf("%s (reason: %s)\n", fn, strerror(errno)) int -main (int argc, char ** argv) +main(int argc, char **argv) { - int i = 0; - int ret = 0; - ssize_t nr_changes = 0; - ssize_t changes = 0; - char fbuf[PATH_MAX] = {0,}; - - /* get changes for brick "/home/vshankar/export/yow/yow-1" */ - ret = gf_changelog_register ("/export/z1/zwoop", - "/tmp/scratch", "/tmp/change.log", 9, 5); - if (ret) { - handle_error ("register failed"); - goto out; + int i = 0; + int ret = 0; + ssize_t nr_changes = 0; + ssize_t changes = 0; + char fbuf[PATH_MAX] = { + 0, + }; + + ret = gf_changelog_init(NULL); + if (ret) { + handle_error("Init failed"); + goto out; + } + + /* get changes for brick "/home/vshankar/export/yow/yow-1" */ + ret = gf_changelog_register("/export/z1/zwoop", "/tmp/scratch", + "/tmp/change.log", 9, 5); + if (ret) { + handle_error("register failed"); + goto out; + } + + while (1) { + i = 0; + nr_changes = gf_changelog_scan(); + if (nr_changes < 0) { + handle_error("scan(): "); + break; } - while (1) { - i = 0; - nr_changes = gf_changelog_scan (); - if (nr_changes < 0) { - handle_error ("scan(): "); - break; - } + if (nr_changes == 0) + goto next; - if (nr_changes == 0) - goto next; + printf("Got %ld changelog files\n", nr_changes); - printf ("Got %ld changelog files\n", nr_changes); + while ((changes = gf_changelog_next_change(fbuf, PATH_MAX)) > 0) { + printf("changelog file [%d]: %s\n", ++i, fbuf); - while ( (changes = - gf_changelog_next_change (fbuf, PATH_MAX)) > 0) { - printf ("changelog file [%d]: %s\n", ++i, fbuf); + /* process changelog */ + /* ... */ + /* ... */ + /* ... */ + /* done processing */ - /* process changelog */ - /* ... */ - /* ... */ - /* ... */ - /* done processing */ - - ret = gf_changelog_done (fbuf); - if (ret) - handle_error ("gf_changelog_done"); - } + ret = gf_changelog_done(fbuf); + if (ret) + handle_error("gf_changelog_done"); + } - if (changes == -1) - handle_error ("gf_changelog_next_change"); + if (changes == -1) + handle_error("gf_changelog_next_change"); - next: - sleep (10); - } + next: + sleep(10); + } - out: - return ret; +out: + return ret; } diff --git a/xlators/features/changelog/lib/examples/c/get-history.c b/xlators/features/changelog/lib/examples/c/get-history.c index 2e1ff3c767f..3e888d75ca6 100644 --- a/xlators/features/changelog/lib/examples/c/get-history.c +++ b/xlators/features/changelog/lib/examples/c/get-history.c @@ -27,84 +27,90 @@ #include "changelog.h" -#define handle_error(fn) \ - printf ("%s (reason: %s)\n", fn, strerror (errno)) +#define handle_error(fn) printf("%s (reason: %s)\n", fn, strerror(errno)) int -main (int argc, char ** argv) +main(int argc, char **argv) { - int i = 0; - int ret = 0; - ssize_t nr_changes = 0; - ssize_t changes = 0; - char fbuf[PATH_MAX] = {0,}; - unsigned long end_ts = 0; - - ret = gf_changelog_register ("/export/z1/zwoop", - "/tmp/scratch_v1", "/tmp/changes.log", - 9, 5); - if (ret) { - handle_error ("register failed"); - goto out; + int i = 0; + int ret = 0; + ssize_t nr_changes = 0; + ssize_t changes = 0; + char fbuf[PATH_MAX] = { + 0, + }; + unsigned long end_ts = 0; + + ret = gf_changelog_init(NULL); + if (ret) { + handle_error("init failed"); + goto out; + } + + ret = gf_changelog_register("/export/z1/zwoop", "/tmp/scratch_v1", + "/tmp/changes.log", 9, 5); + if (ret) { + handle_error("register failed"); + goto out; + } + + int a, b; + printf("give the two numbers start and end\t"); + scanf("%d%d", &a, &b); + ret = gf_history_changelog("/export/z1/zwoop/.glusterfs/changelogs", a, b, + 3, &end_ts); + if (ret == -1) { + printf("history failed"); + goto out; + } + + printf("end time till when changelog available : %d , ret(%d) \t", end_ts, + ret); + fflush(stdout); + + while (1) { + nr_changes = gf_history_changelog_scan(); + printf("scanned, nr_changes : %d\n", nr_changes); + if (nr_changes < 0) { + handle_error("scan(): "); + break; } - int a, b; - printf ("give the two numbers start and end\t"); - scanf ("%d%d", &a, &b); - ret = gf_history_changelog ("/export/z1/zwoop/.glusterfs/changelogs", - a, b, 3, &end_ts); - if (ret == -1) { - printf ("history failed"); - goto out; + if (nr_changes == 0) { + printf("done scanning \n"); + goto out; } - printf ("end time till when changelog available : %d , ret(%d) \t", end_ts, ret); - fflush(stdout); - - while (1) { - nr_changes = gf_history_changelog_scan (); - printf ("scanned, nr_changes : %d\n",nr_changes); - if (nr_changes < 0) { - handle_error ("scan(): "); - break; - } - - if (nr_changes == 0) { - printf ("done scanning \n"); - goto out; - } - - printf ("Got %ld changelog files\n", nr_changes); - - while ( (changes = - gf_history_changelog_next_change (fbuf, PATH_MAX)) > 0) { - printf ("changelog file [%d]: %s\n", ++i, fbuf); - - /* process changelog */ - /* ... */ - /* ... */ - /* ... */ - /* done processing */ - - ret = gf_history_changelog_done (fbuf); - if (ret) - handle_error ("gf_changelog_done"); - } - /* - if (changes == -1) - handle_error ("gf_changelog_next_change"); - if (nr_changes ==1){ - printf("continue scanning\n"); - } - - if(nr_changes == 0){ - printf("done scanning \n"); - goto out; - } - */ + printf("Got %ld changelog files\n", nr_changes); + + while ((changes = gf_history_changelog_next_change(fbuf, PATH_MAX)) > + 0) { + printf("changelog file [%d]: %s\n", ++i, fbuf); + + /* process changelog */ + /* ... */ + /* ... */ + /* ... */ + /* done processing */ + + ret = gf_history_changelog_done(fbuf); + if (ret) + handle_error("gf_changelog_done"); + } + /* + if (changes == -1) + handle_error ("gf_changelog_next_change"); + if (nr_changes ==1){ + printf("continue scanning\n"); } + if(nr_changes == 0){ + printf("done scanning \n"); + goto out; + } + */ + } out: - return ret; + return ret; } diff --git a/xlators/features/changelog/lib/examples/python/changes.py b/xlators/features/changelog/lib/examples/python/changes.py index d21db8eab2e..c410d3b000d 100644..100755 --- a/xlators/features/changelog/lib/examples/python/changes.py +++ b/xlators/features/changelog/lib/examples/python/changes.py @@ -1,5 +1,6 @@ -#!/usr/bin/python +#!/usr/bin/python3 +from __future__ import print_function import os import sys import time @@ -10,23 +11,24 @@ cl = libgfchangelog.Changes() def get_changes(brick, scratch_dir, log_file, log_level, interval): change_list = [] try: + cl.cl_init() cl.cl_register(brick, scratch_dir, log_file, log_level) while True: cl.cl_scan() change_list = cl.cl_getchanges() if change_list: - print change_list + print(change_list) for change in change_list: - print('done with %s' % (change)) + print(('done with %s' % (change))) cl.cl_done(change) time.sleep(interval) except OSError: ex = sys.exc_info()[1] - print ex + print(ex) if __name__ == '__main__': - if len(sys.argv) != 5: - print("usage: %s <brick> <scratch-dir> <log-file> <fetch-interval>" - % (sys.argv[0])) + if len(sys.argv) != 6: + print(("usage: %s <brick> <scratch-dir> <log-file> <fetch-interval>" + % (sys.argv[0]))) sys.exit(1) get_changes(sys.argv[1], sys.argv[2], sys.argv[3], 9, int(sys.argv[4])) diff --git a/xlators/features/changelog/lib/examples/python/libgfchangelog.py b/xlators/features/changelog/lib/examples/python/libgfchangelog.py index 68ec3baf144..2da9f2d2a8c 100644 --- a/xlators/features/changelog/lib/examples/python/libgfchangelog.py +++ b/xlators/features/changelog/lib/examples/python/libgfchangelog.py @@ -3,7 +3,8 @@ from ctypes import * from ctypes.util import find_library class Changes(object): - libgfc = CDLL(find_library("gfchangelog"), use_errno=True) + libgfc = CDLL(find_library("gfchangelog"), mode=RTLD_GLOBAL, + use_errno=True) @classmethod def geterrno(cls): @@ -19,6 +20,12 @@ class Changes(object): return getattr(cls.libgfc, call) @classmethod + def cl_init(cls): + ret = cls._get_api('gf_changelog_init')(None) + if ret == -1: + cls.raise_changelog_err() + + @classmethod def cl_register(cls, brick, path, log_file, log_level, retries = 0): ret = cls._get_api('gf_changelog_register')(brick, path, log_file, log_level, retries) |