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Diffstat (limited to 'xlators/features/changelog/lib/src/gf-changelog-api.c')
-rw-r--r--xlators/features/changelog/lib/src/gf-changelog-api.c305
1 files changed, 154 insertions, 151 deletions
diff --git a/xlators/features/changelog/lib/src/gf-changelog-api.c b/xlators/features/changelog/lib/src/gf-changelog-api.c
index 372550c7acf..1b6e932596d 100644
--- a/xlators/features/changelog/lib/src/gf-changelog-api.c
+++ b/xlators/features/changelog/lib/src/gf-changelog-api.c
@@ -19,57 +19,54 @@
#include "changelog-lib-messages.h"
int
-gf_changelog_done (char *file)
+gf_changelog_done(char *file)
{
- int ret = -1;
- char *buffer = NULL;
- xlator_t *this = NULL;
- gf_changelog_journal_t *jnl = NULL;
- char to_path[PATH_MAX] = {0,};
-
- errno = EINVAL;
-
- this = THIS;
- if (!this)
- goto out;
-
- jnl = (gf_changelog_journal_t *) GF_CHANGELOG_GET_API_PTR (this);
- if (!jnl)
- goto out;
-
- if (!file || !strlen (file))
- goto out;
-
- /* make sure 'file' is inside ->jnl_working_dir */
- buffer = realpath (file, NULL);
- if (!buffer)
- goto out;
-
- if (strncmp (jnl->jnl_working_dir,
- buffer, strlen (jnl->jnl_working_dir)))
- goto out;
-
- (void) snprintf (to_path, PATH_MAX, "%s%s",
- jnl->jnl_processed_dir, basename (buffer));
- gf_msg_debug (this->name, 0,
- "moving %s to processed directory", file);
- ret = sys_rename (buffer, to_path);
- if (ret) {
- gf_smsg (this->name, GF_LOG_ERROR, errno,
- CHANGELOG_LIB_MSG_RENAME_FAILED,
- "cannot move changelog file",
- "from=%s", file,
- "to=%s", to_path,
- NULL);
- goto out;
- }
-
- ret = 0;
+ int ret = -1;
+ char *buffer = NULL;
+ xlator_t *this = NULL;
+ gf_changelog_journal_t *jnl = NULL;
+ char to_path[PATH_MAX] = {
+ 0,
+ };
+
+ errno = EINVAL;
+
+ this = THIS;
+ if (!this)
+ goto out;
+
+ jnl = (gf_changelog_journal_t *)GF_CHANGELOG_GET_API_PTR(this);
+ if (!jnl)
+ goto out;
+
+ if (!file || !strlen(file))
+ goto out;
+
+ /* make sure 'file' is inside ->jnl_working_dir */
+ buffer = realpath(file, NULL);
+ if (!buffer)
+ goto out;
+
+ if (strncmp(jnl->jnl_working_dir, buffer, strlen(jnl->jnl_working_dir)))
+ goto out;
+
+ (void)snprintf(to_path, PATH_MAX, "%s%s", jnl->jnl_processed_dir,
+ basename(buffer));
+ gf_msg_debug(this->name, 0, "moving %s to processed directory", file);
+ ret = sys_rename(buffer, to_path);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, errno,
+ CHANGELOG_LIB_MSG_RENAME_FAILED, "cannot move changelog file",
+ "from=%s", file, "to=%s", to_path, NULL);
+ goto out;
+ }
+
+ ret = 0;
- out:
- if (buffer)
- free (buffer); /* allocated by realpath() */
- return ret;
+out:
+ if (buffer)
+ free(buffer); /* allocated by realpath() */
+ return ret;
}
/**
@@ -77,28 +74,28 @@ gf_changelog_done (char *file)
* for a set of changelogs, start from the beginning
*/
int
-gf_changelog_start_fresh ()
+gf_changelog_start_fresh()
{
- xlator_t *this = NULL;
- gf_changelog_journal_t *jnl = NULL;
+ xlator_t *this = NULL;
+ gf_changelog_journal_t *jnl = NULL;
- this = THIS;
- if (!this)
- goto out;
+ this = THIS;
+ if (!this)
+ goto out;
- errno = EINVAL;
+ errno = EINVAL;
- jnl = (gf_changelog_journal_t *) GF_CHANGELOG_GET_API_PTR (this);
- if (!jnl)
- goto out;
+ jnl = (gf_changelog_journal_t *)GF_CHANGELOG_GET_API_PTR(this);
+ if (!jnl)
+ goto out;
- if (gf_ftruncate (jnl->jnl_fd, 0))
- goto out;
+ if (gf_ftruncate(jnl->jnl_fd, 0))
+ goto out;
- return 0;
+ return 0;
- out:
- return -1;
+out:
+ return -1;
}
/**
@@ -107,40 +104,42 @@ gf_changelog_start_fresh ()
* consumed.
*/
ssize_t
-gf_changelog_next_change (char *bufptr, size_t maxlen)
+gf_changelog_next_change(char *bufptr, size_t maxlen)
{
- ssize_t size = -1;
- int tracker_fd = 0;
- xlator_t *this = NULL;
- gf_changelog_journal_t *jnl = NULL;
- char buffer[PATH_MAX] = {0,};
+ ssize_t size = -1;
+ int tracker_fd = 0;
+ xlator_t *this = NULL;
+ gf_changelog_journal_t *jnl = NULL;
+ char buffer[PATH_MAX] = {
+ 0,
+ };
- errno = EINVAL;
+ errno = EINVAL;
- this = THIS;
- if (!this)
- goto out;
+ this = THIS;
+ if (!this)
+ goto out;
- jnl = (gf_changelog_journal_t *) GF_CHANGELOG_GET_API_PTR (this);
- if (!jnl)
- goto out;
+ jnl = (gf_changelog_journal_t *)GF_CHANGELOG_GET_API_PTR(this);
+ if (!jnl)
+ goto out;
- tracker_fd = jnl->jnl_fd;
+ tracker_fd = jnl->jnl_fd;
- size = gf_readline (tracker_fd, buffer, maxlen);
- if (size < 0) {
- size = -1;
- goto out;
- }
+ size = gf_readline(tracker_fd, buffer, maxlen);
+ if (size < 0) {
+ size = -1;
+ goto out;
+ }
- if (size == 0)
- goto out;
+ if (size == 0)
+ goto out;
- memcpy (bufptr, buffer, size - 1);
- bufptr[size - 1] = '\0';
+ memcpy(bufptr, buffer, size - 1);
+ bufptr[size - 1] = '\0';
out:
- return size;
+ return size;
}
/**
@@ -152,70 +151,74 @@ out:
* This call also acts as a cancellation point for the consumer.
*/
ssize_t
-gf_changelog_scan ()
+gf_changelog_scan()
{
- int tracker_fd = 0;
- size_t off = 0;
- xlator_t *this = NULL;
- size_t nr_entries = 0;
- gf_changelog_journal_t *jnl = NULL;
- struct dirent *entry = NULL;
- struct dirent scratch[2] = {{0,},};
- char buffer[PATH_MAX] = {0,};
-
- this = THIS;
- if (!this)
- goto out;
-
- jnl = (gf_changelog_journal_t *) GF_CHANGELOG_GET_API_PTR (this);
- if (!jnl)
- goto out;
- if (JNL_IS_API_DISCONNECTED (jnl)) {
- errno = ENOTCONN;
- goto out;
+ int tracker_fd = 0;
+ size_t off = 0;
+ xlator_t *this = NULL;
+ size_t nr_entries = 0;
+ gf_changelog_journal_t *jnl = NULL;
+ struct dirent *entry = NULL;
+ struct dirent scratch[2] = {
+ {
+ 0,
+ },
+ };
+ char buffer[PATH_MAX] = {
+ 0,
+ };
+
+ this = THIS;
+ if (!this)
+ goto out;
+
+ jnl = (gf_changelog_journal_t *)GF_CHANGELOG_GET_API_PTR(this);
+ if (!jnl)
+ goto out;
+ if (JNL_IS_API_DISCONNECTED(jnl)) {
+ errno = ENOTCONN;
+ goto out;
+ }
+
+ errno = EINVAL;
+
+ tracker_fd = jnl->jnl_fd;
+ if (gf_ftruncate(tracker_fd, 0))
+ goto out;
+
+ rewinddir(jnl->jnl_dir);
+
+ for (;;) {
+ errno = 0;
+ entry = sys_readdir(jnl->jnl_dir, scratch);
+ if (!entry || errno != 0)
+ break;
+
+ if (!strcmp(basename(entry->d_name), ".") ||
+ !strcmp(basename(entry->d_name), ".."))
+ continue;
+
+ nr_entries++;
+
+ GF_CHANGELOG_FILL_BUFFER(jnl->jnl_processing_dir, buffer, off,
+ strlen(jnl->jnl_processing_dir));
+ GF_CHANGELOG_FILL_BUFFER(entry->d_name, buffer, off,
+ strlen(entry->d_name));
+ GF_CHANGELOG_FILL_BUFFER("\n", buffer, off, 1);
+
+ if (gf_changelog_write(tracker_fd, buffer, off) != off) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, CHANGELOG_LIB_MSG_WRITE_FAILED,
+ "error writing changelog filename"
+ " to tracker file");
+ break;
}
+ off = 0;
+ }
- errno = EINVAL;
-
- tracker_fd = jnl->jnl_fd;
- if (gf_ftruncate (tracker_fd, 0))
- goto out;
-
- rewinddir (jnl->jnl_dir);
-
- for (;;) {
- errno = 0;
- entry = sys_readdir (jnl->jnl_dir, scratch);
- if (!entry || errno != 0)
- break;
-
- if (!strcmp (basename (entry->d_name), ".")
- || !strcmp (basename (entry->d_name), ".."))
- continue;
-
- nr_entries++;
-
- GF_CHANGELOG_FILL_BUFFER (jnl->jnl_processing_dir,
- buffer, off,
- strlen (jnl->jnl_processing_dir));
- GF_CHANGELOG_FILL_BUFFER (entry->d_name, buffer,
- off, strlen (entry->d_name));
- GF_CHANGELOG_FILL_BUFFER ("\n", buffer, off, 1);
-
- if (gf_changelog_write (tracker_fd, buffer, off) != off) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- CHANGELOG_LIB_MSG_WRITE_FAILED,
- "error writing changelog filename"
- " to tracker file");
- break;
- }
- off = 0;
- }
-
- if (!entry) {
- if (gf_lseek (tracker_fd, 0, SEEK_SET) != -1)
- return nr_entries;
- }
- out:
- return -1;
+ if (!entry) {
+ if (gf_lseek(tracker_fd, 0, SEEK_SET) != -1)
+ return nr_entries;
+ }
+out:
+ return -1;
}
generated by cgit (git 2.34.1) at 2024-04-20 10:07:42 +0000