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path: root/xlators/features/read-only/src/worm-helper.c
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Diffstat (limited to 'xlators/features/read-only/src/worm-helper.c')
-rw-r--r--xlators/features/read-only/src/worm-helper.c119
1 files changed, 56 insertions, 63 deletions
diff --git a/xlators/features/read-only/src/worm-helper.c b/xlators/features/read-only/src/worm-helper.c
index b5b1c628d73..692899d9379 100644
--- a/xlators/features/read-only/src/worm-helper.c
+++ b/xlators/features/read-only/src/worm-helper.c
@@ -18,7 +18,7 @@
* the write protection bits for all the users of the file.
* Return true if all the write bits are disabled,false otherwise*/
gf_boolean_t
-is_write_disabled (struct iatt *stbuf)
+gf_worm_write_disabled (struct iatt *stbuf)
{
gf_boolean_t ret = _gf_false;
@@ -113,7 +113,7 @@ worm_set_state (xlator_t *this, gf_boolean_t fop_with_fd, void *file_ptr,
if (ret)
goto out;
- ret = set_xattr (this, retention_state, fop_with_fd, file_ptr);
+ ret = gf_worm_set_xattr (this, retention_state, fop_with_fd, file_ptr);
if (ret) {
gf_log (this->name, GF_LOG_ERROR, "Error setting xattr");
goto out;
@@ -153,7 +153,7 @@ worm_get_state (xlator_t *this, gf_boolean_t fop_with_fd, void *file_ptr,
ret = -2;
gf_log (this->name, GF_LOG_ERROR, "Empty val");
}
- deserialize_state (val, reten_state);
+ gf_worm_deserialize_state (val, reten_state);
out:
if (dict)
dict_unref (dict);
@@ -165,44 +165,32 @@ out:
* Based on the retain value and the access time of the file, the transition
* from WORM/Retention to WORM is made.*/
void
-state_lookup (xlator_t *this, gf_boolean_t fop_with_fd, void *file_ptr,
- worm_reten_state_t *reten_state)
+gf_worm_state_lookup (xlator_t *this, gf_boolean_t fop_with_fd, void *file_ptr,
+ worm_reten_state_t *reten_state, struct iatt *stbuf)
{
int ret = -1;
- struct iatt stbuf = {0,};
GF_VALIDATE_OR_GOTO ("worm", this, out);
GF_VALIDATE_OR_GOTO (this->name, file_ptr, out);
GF_VALIDATE_OR_GOTO (this->name, reten_state, out);
+ GF_VALIDATE_OR_GOTO (this->name, stbuf, out);
- if (fop_with_fd)
- ret = syncop_fstat (this, (fd_t *)file_ptr, &stbuf, NULL, NULL);
- else
- ret = syncop_stat (this, (loc_t *)file_ptr, &stbuf, NULL, NULL);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "Stat lookup error: %s",
- strerror (-ret));
- goto out;
- }
- if (time (NULL) < stbuf.ia_atime)
- goto out;
-
- stbuf.ia_atime -= reten_state->ret_period;
+ stbuf->ia_atime -= reten_state->ret_period;
reten_state->retain = 0;
reten_state->ret_period = 0;
reten_state->auto_commit_period = 0;
- ret = set_xattr (this, reten_state, fop_with_fd, file_ptr);
+ ret = gf_worm_set_xattr (this, reten_state, fop_with_fd, file_ptr);
if (ret) {
gf_log (this->name, GF_LOG_ERROR, "Error setting xattr");
goto out;
}
if (fop_with_fd)
- ret = syncop_fsetattr (this, (fd_t *)file_ptr, &stbuf,
+ ret = syncop_fsetattr (this, (fd_t *)file_ptr, stbuf,
GF_SET_ATTR_ATIME, NULL, NULL,
NULL, NULL);
else
- ret = syncop_setattr (this, (loc_t *)file_ptr, &stbuf,
+ ret = syncop_setattr (this, (loc_t *)file_ptr, stbuf,
GF_SET_ATTR_ATIME, NULL, NULL,
NULL, NULL);
if (ret)
@@ -216,7 +204,7 @@ out:
/*This function serializes and stores the WORM/Retention state of a file in an
* uint64_t variable by setting the bits using the bitwise operations.*/
void
-serialize_state (worm_reten_state_t *reten_state, char *val)
+gf_worm_serialize_state (worm_reten_state_t *reten_state, char *val)
{
uint32_t state = 0;
@@ -237,7 +225,8 @@ out:
/*This function deserializes the data stored in the xattr of the file and loads
* the value to the reten_state structure.*/
-void deserialize_state (char *val, worm_reten_state_t *reten_state)
+void
+gf_worm_deserialize_state (char *val, worm_reten_state_t *reten_state)
{
char *token = NULL;
uint32_t state = 0;
@@ -264,8 +253,8 @@ out:
/*Function to set the xattr for a file.
* If the xattr is already present then it will replace that.*/
int32_t
-set_xattr (xlator_t *this, worm_reten_state_t *reten_state,
- gf_boolean_t fop_with_fd, void *file_ptr)
+gf_worm_set_xattr (xlator_t *this, worm_reten_state_t *reten_state,
+ gf_boolean_t fop_with_fd, void *file_ptr)
{
char val[100] = "";
int ret = -1;
@@ -275,7 +264,7 @@ set_xattr (xlator_t *this, worm_reten_state_t *reten_state,
GF_VALIDATE_OR_GOTO (this->name, reten_state, out);
GF_VALIDATE_OR_GOTO (this->name, file_ptr, out);
- serialize_state (reten_state, val);
+ gf_worm_serialize_state (reten_state, val);
dict = dict_new ();
if (!dict) {
gf_log (this->name, GF_LOG_ERROR, "Error creating the dict");
@@ -309,11 +298,11 @@ out:
* 1: If the FOP sholud block i.e., if the file is in WORM-Retained/WORM state.
* 2: Blocks the FOP if any operation fails while doing the state transition or
* fails to get the state of the file.*/
-int32_t
-state_transition (xlator_t *this, gf_boolean_t fop_with_fd, void *file_ptr,
- glusterfs_fop_t op, int *ret_val)
+int
+gf_worm_state_transition (xlator_t *this, gf_boolean_t fop_with_fd,
+ void *file_ptr, glusterfs_fop_t op)
{
- int label = -1;
+ int op_errno = EROFS;
int ret = -1;
uint64_t com_period = 0;
uint64_t ret_period = 0;
@@ -333,70 +322,74 @@ state_transition (xlator_t *this, gf_boolean_t fop_with_fd, void *file_ptr,
ret = syncop_getxattr (this, (loc_t *)file_ptr, &dict,
"trusted.start_time", NULL, NULL);
if (ret < 0 || !dict) {
- ret = -2;
- label = 2;
+ op_errno = ret;
+ gf_msg (this->name, GF_LOG_ERROR, -ret, 0,
+ "Error getting xattr");
goto out;
}
ret = dict_get_uint64 (dict, "trusted.start_time", &start_time);
if (ret) {
- label = 2;
+ op_errno = ret;
+ gf_msg (this->name, GF_LOG_ERROR, -ret, 0,
+ "Error getting start time");
+ goto out;
+ }
+
+ com_period = priv->com_period;
+ if (fop_with_fd)
+ ret = syncop_fstat (this, (fd_t *)file_ptr, &stbuf, NULL, NULL);
+ else
+ ret = syncop_stat (this, (loc_t *)file_ptr, &stbuf, NULL, NULL);
+ if (ret) {
+ op_errno = ret;
+ gf_msg (this->name, GF_LOG_ERROR, -ret, 0,
+ "Error getting file stat");
goto out;
}
ret = worm_get_state (this, fop_with_fd, file_ptr, &reten_state);
if (ret == -2) {
- ret = -1;
- label = 2;
+ op_errno = ret;
+ gf_msg (this->name, GF_LOG_ERROR, -ret, 0,
+ "Error getting worm/retention state");
goto out;
}
- com_period = priv->com_period;
+
if (ret == -1 && (time (NULL) - start_time) >= com_period) {
- if (fop_with_fd)
- ret = syncop_fstat (this, (fd_t *)file_ptr, &stbuf,
- NULL, NULL);
- else
- ret = syncop_stat (this, (loc_t *)file_ptr, &stbuf,
- NULL, NULL);
- if (ret) {
- label = 2;
- goto out;
- }
ret_period = priv->reten_period;
if ((time (NULL) - stbuf.ia_mtime) >= ret_period) {
ret = worm_set_state(this, fop_with_fd, file_ptr,
&reten_state, &stbuf);
if (ret) {
- label = 2;
+ op_errno = ret;
+ gf_msg (this->name, GF_LOG_ERROR, -ret, 0,
+ "Error setting worm/retention state");
goto out;
}
- label = 1;
goto out;
} else {
- label = 0;
+ op_errno = 0;
goto out;
}
} else if (ret == -1 && (time (NULL) - start_time)
< com_period) {
- label = 0;
+ op_errno = 0;
goto out;
} else if (reten_state.retain &&
- (time (NULL) - start_time) >=
- reten_state.auto_commit_period) {
- state_lookup (this, fop_with_fd, file_ptr, &reten_state);
+ ((time (NULL) >= stbuf.ia_atime))) {
+ gf_worm_state_lookup (this, fop_with_fd, file_ptr,
+ &reten_state, &stbuf);
+ }
+ if (reten_state.worm && !reten_state.retain &&
+ op == GF_FOP_UNLINK) {
+ op_errno = 0;
+ goto out;
}
- if (reten_state.retain)
- label = 1;
- else if (reten_state.worm && !reten_state.retain &&
- op == GF_FOP_UNLINK)
- label = 0;
- else
- label = 1;
out:
if (dict)
dict_unref (dict);
- *ret_val = ret;
- return label;
+ return op_errno;
}
generated by cgit (git 2.34.1) at 2024-11-14 03:22:46 +0000