diff options
Diffstat (limited to 'xlators/features/changelog/lib/src/gf-changelog-helpers.h')
-rw-r--r-- | xlators/features/changelog/lib/src/gf-changelog-helpers.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/xlators/features/changelog/lib/src/gf-changelog-helpers.h b/xlators/features/changelog/lib/src/gf-changelog-helpers.h new file mode 100644 index 00000000000..3aa6ed7b8e2 --- /dev/null +++ b/xlators/features/changelog/lib/src/gf-changelog-helpers.h @@ -0,0 +1,97 @@ +/* + Copyright (c) 2013 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#ifndef _GF_CHANGELOG_HELPERS_H +#define _GF_CHANGELOG_HELPERS_H + +#include <unistd.h> +#include <dirent.h> +#include <limits.h> +#include <pthread.h> + +#include <xlator.h> + +#define GF_CHANGELOG_TRACKER "tracker" + +#define GF_CHANGELOG_CURRENT_DIR ".current" +#define GF_CHANGELOG_PROCESSED_DIR ".processed" +#define GF_CHANGELOG_PROCESSING_DIR ".processing" + +#ifndef MAXLINE +#define MAXLINE 4096 +#endif + +#define GF_CHANGELOG_FILL_BUFFER(ptr, ascii, off, len) do { \ + memcpy (ascii + off, ptr, len); \ + off += len; \ + } while (0) + +typedef struct read_line { + int rl_cnt; + char *rl_bufptr; + char rl_buf[MAXLINE]; +} read_line_t; + +typedef struct gf_changelog { + xlator_t *this; + + /* 'processing' directory stream */ + DIR *gfc_dir; + + /* fd to the tracker file */ + int gfc_fd; + + /* connection retries */ + int gfc_connretries; + + char gfc_sockpath[PATH_MAX]; + + char gfc_brickpath[PATH_MAX]; + + /* socket for recieving notifications */ + int gfc_sockfd; + + char *gfc_working_dir; + + /* RFC 3986 string encoding */ + char rfc3986[256]; + + char gfc_current_dir[PATH_MAX]; + char gfc_processed_dir[PATH_MAX]; + char gfc_processing_dir[PATH_MAX]; + + pthread_t gfc_changelog_processor; +} gf_changelog_t; + +int +gf_changelog_notification_init (xlator_t *this, gf_changelog_t *gfc); + +void * +gf_changelog_process (void *data); + +ssize_t +gf_changelog_read_path (int fd, char *buffer, size_t bufsize); + +void +gf_rfc3986_encode (unsigned char *s, char *enc, char *estr); + +size_t +gf_changelog_write (int fd, char *buffer, size_t len); + +ssize_t +gf_readline (int fd, void *vptr, size_t maxlen); + +int +gf_ftruncate (int fd, off_t length); + +off_t +gf_lseek (int fd, off_t offset, int whence); + +#endif |