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-rw-r--r--xlators/mgmt/glusterd/src/glusterd-store.c176
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-store.h9
-rw-r--r--xlators/mgmt/glusterd/src/glusterd.c2
-rw-r--r--xlators/mgmt/glusterd/src/glusterd.h1
4 files changed, 159 insertions, 29 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-store.c b/xlators/mgmt/glusterd/src/glusterd-store.c
index f2e14b0b3..657083ede 100644
--- a/xlators/mgmt/glusterd/src/glusterd-store.c
+++ b/xlators/mgmt/glusterd/src/glusterd-store.c
@@ -636,6 +636,24 @@ out:
return ret;
}
+int
+glusterd_store_handle_retrieve (char *path, glusterd_store_handle_t **handle)
+{
+ int32_t ret = -1;
+ struct stat statbuf = {0};
+
+ ret = stat (path, &statbuf);
+ if (ret) {
+ gf_log ("glusterd", GF_LOG_ERROR, "Unable to retrieve store "
+ "handle for %s, error: %s", path, strerror (errno));
+ goto out;
+ }
+ ret = glusterd_store_handle_new (path, handle);
+out:
+ gf_log ("", GF_LOG_DEBUG, "Returning %d", ret);
+ return ret;
+}
+
int32_t
glusterd_store_handle_destroy (glusterd_store_handle_t *handle)
{
@@ -730,7 +748,7 @@ glusterd_retrieve_uuid ()
if (!priv->handle) {
snprintf (path, PATH_MAX, "%s/%s", priv->workdir,
GLUSTERD_INFO_FILE);
- ret = glusterd_store_handle_new (path, &handle);
+ ret = glusterd_store_handle_retrieve (path, &handle);
if (ret) {
gf_log ("", GF_LOG_ERROR, "Unable to get store "
@@ -796,6 +814,7 @@ glusterd_store_iter_new (glusterd_store_handle_t *shandle,
goto out;
}
+ strncpy (tmp_iter->filepath, shandle->path, sizeof (tmp_iter->filepath));
*iter = tmp_iter;
ret = 0;
@@ -805,8 +824,43 @@ out:
}
int32_t
+glusterd_store_validate_key_value (char *storepath, char *key, char*val,
+ glusterd_store_op_errno_t *op_errno)
+{
+ int ret = 0;
+
+ GF_ASSERT (op_errno);
+ GF_ASSERT (storepath);
+
+ if ((key == NULL) && (val == NULL)) {
+ ret = -1;
+ gf_log ("glusterd", GF_LOG_ERROR, "Glusterd store may be "
+ "corrupted, Invalid key and value (null) in %s",
+ storepath);
+ *op_errno = GD_STORE_KEY_VALUE_NULL;
+ } else if (key == NULL) {
+ ret = -1;
+ gf_log ("glusterd", GF_LOG_ERROR, "Glusterd store may be "
+ "corrupted, Invalid key (null) in %s", storepath);
+ *op_errno = GD_STORE_KEY_NULL;
+ } else if (val == NULL) {
+ ret = -1;
+ gf_log ("glusterd", GF_LOG_ERROR, "Glusterd store may be "
+ "corrupted, Invalid value (null) for key %s in %s",
+ key, storepath);
+ *op_errno = GD_STORE_VALUE_NULL;
+ } else {
+ ret = 0;
+ *op_errno = GD_STORE_SUCCESS;
+ }
+
+ return ret;
+}
+
+int32_t
glusterd_store_iter_get_next (glusterd_store_iter_t *iter,
- char **key, char **value)
+ char **key, char **value,
+ glusterd_store_op_errno_t *op_errno)
{
int32_t ret = -1;
char scan_str[4096] = {0,};
@@ -814,42 +868,67 @@ glusterd_store_iter_get_next (glusterd_store_iter_t *iter,
char *free_str = NULL;
char *iter_key = NULL;
char *iter_val = NULL;
+ glusterd_store_op_errno_t store_errno = GD_STORE_SUCCESS;
GF_ASSERT (iter);
GF_ASSERT (iter->file);
+ GF_ASSERT (key);
+ GF_ASSERT (value);
+
+ *key = NULL;
+ *value = NULL;
ret = fscanf (iter->file, "%s", scan_str);
if (ret <= 0) {
ret = -1;
+ store_errno = GD_STORE_EOF;
goto out;
}
str = gf_strdup (scan_str);
- if (!str)
+ if (!str) {
+ ret = -1;
+ store_errno = GD_STORE_ENOMEM;
goto out;
- else
+ } else {
free_str = str;
+ }
iter_key = strtok (str, "=");
- gf_log ("", GF_LOG_DEBUG, "key %s read", iter_key);
+ iter_val = strtok (NULL, "=");
+ ret = glusterd_store_validate_key_value (iter->filepath, iter_key,
+ iter_val, &store_errno);
+ if (ret)
+ goto out;
- iter_val = strtok (NULL, "=");
- gf_log ("", GF_LOG_DEBUG, "value %s read", iter_val);
+ *value = gf_strdup (iter_val);
- if (iter_val)
- *value = gf_strdup (iter_val);
*key = gf_strdup (iter_key);
-
- if (!iter_key || !iter_val)
+ if (!iter_key || !iter_val) {
+ ret = -1;
+ store_errno = GD_STORE_ENOMEM;
goto out;
+ }
ret = 0;
out:
+ if (ret) {
+ if (*key) {
+ GF_FREE (*key);
+ *key = NULL;
+ }
+ if (*value) {
+ GF_FREE (*value);
+ *value = NULL;
+ }
+ }
if (free_str)
GF_FREE (free_str);
+ if (op_errno)
+ *op_errno = store_errno;
gf_log ("", GF_LOG_DEBUG, "Returning with %d", ret);
return ret;
@@ -863,17 +942,18 @@ glusterd_store_iter_get_matching (glusterd_store_iter_t *iter,
char *tmp_key = NULL;
char *tmp_value = NULL;
- ret = glusterd_store_iter_get_next (iter, &tmp_key, &tmp_value);
+ ret = glusterd_store_iter_get_next (iter, &tmp_key, &tmp_value,
+ NULL);
while (!ret) {
if (!strncmp (key, tmp_key, strlen (key))){
- *value = tmp_value;
+ *value = tmp_value;
GF_FREE (tmp_key);
goto out;
}
GF_FREE (tmp_key);
GF_FREE (tmp_value);
ret = glusterd_store_iter_get_next (iter, &tmp_key,
- &tmp_value);
+ &tmp_value, NULL);
}
out:
return ret;
@@ -899,6 +979,28 @@ glusterd_store_iter_destroy (glusterd_store_iter_t *iter)
return ret;
}
+char*
+glusterd_store_strerror (glusterd_store_op_errno_t op_errno)
+{
+ switch (op_errno) {
+ case GD_STORE_SUCCESS:
+ return "Success";
+ case GD_STORE_KEY_NULL:
+ return "Invalid Key";
+ case GD_STORE_VALUE_NULL:
+ return "Invalid Value";
+ case GD_STORE_KEY_VALUE_NULL:
+ return "Invalid Key and Value";
+ case GD_STORE_EOF:
+ return "No data";
+ case GD_STORE_ENOMEM:
+ return "No memory";
+ default:
+ return "Invalid errno";
+ }
+ return "Invalid errno";
+}
+
int32_t
glusterd_store_retrieve_bricks (glusterd_volinfo_t *volinfo)
{
@@ -916,6 +1018,7 @@ glusterd_store_retrieve_bricks (glusterd_volinfo_t *volinfo)
glusterd_store_iter_t *tmpiter = NULL;
char *tmpvalue = NULL;
struct pmap_registry *pmap = NULL;
+ glusterd_store_op_errno_t op_errno = GD_STORE_SUCCESS;
GF_ASSERT (volinfo);
GF_ASSERT (volinfo->volname);
@@ -944,7 +1047,7 @@ glusterd_store_retrieve_bricks (glusterd_volinfo_t *volinfo)
tmpvalue = NULL;
- ret = glusterd_store_handle_new (path, &brickinfo->shandle);
+ ret = glusterd_store_handle_retrieve (path, &brickinfo->shandle);
if (ret)
goto out;
@@ -954,8 +1057,14 @@ glusterd_store_retrieve_bricks (glusterd_volinfo_t *volinfo)
if (ret)
goto out;
- ret = glusterd_store_iter_get_next (iter, &key, &value);
-
+ ret = glusterd_store_iter_get_next (iter, &key, &value,
+ &op_errno);
+ if (ret) {
+ gf_log ("glusterd", GF_LOG_ERROR, "Unable to iterate "
+ "the store for brick: %s, reason: %s", path,
+ glusterd_store_strerror (op_errno));
+ goto out;
+ }
while (!ret) {
if (!strncmp (key, GLUSTERD_STORE_KEY_BRICK_HOSTNAME,
strlen (GLUSTERD_STORE_KEY_BRICK_HOSTNAME))) {
@@ -982,9 +1091,12 @@ glusterd_store_retrieve_bricks (glusterd_volinfo_t *volinfo)
key = NULL;
value = NULL;
- ret = glusterd_store_iter_get_next (iter, &key, &value);
+ ret = glusterd_store_iter_get_next (iter, &key, &value,
+ &op_errno);
}
+ if (op_errno != GD_STORE_EOF)
+ goto out;
ret = glusterd_store_iter_destroy (iter);
if (ret)
@@ -1016,6 +1128,7 @@ glusterd_store_retrieve_volume (char *volname)
glusterd_conf_t *priv = NULL;
char path[PATH_MAX] = {0,};
int exists = 0;
+ glusterd_store_op_errno_t op_errno = GD_STORE_SUCCESS;
ret = glusterd_volinfo_new (&volinfo);
@@ -1030,7 +1143,7 @@ glusterd_store_retrieve_volume (char *volname)
snprintf (path, sizeof (path), "%s/%s", volpath,
GLUSTERD_VOLUME_INFO_FILE);
- ret = glusterd_store_handle_new (path, &volinfo->shandle);
+ ret = glusterd_store_handle_retrieve (path, &volinfo->shandle);
if (ret)
goto out;
@@ -1040,7 +1153,9 @@ glusterd_store_retrieve_volume (char *volname)
if (ret)
goto out;
- ret = glusterd_store_iter_get_next (iter, &key, &value);
+ ret = glusterd_store_iter_get_next (iter, &key, &value, &op_errno);
+ if (ret)
+ goto out;
while (!ret) {
if (!strncmp (key, GLUSTERD_STORE_KEY_VOL_TYPE,
@@ -1098,8 +1213,11 @@ glusterd_store_retrieve_volume (char *volname)
key = NULL;
value = NULL;
- ret = glusterd_store_iter_get_next (iter, &key, &value);
+ ret = glusterd_store_iter_get_next (iter, &key, &value,
+ &op_errno);
}
+ if (op_errno != GD_STORE_EOF)
+ goto out;
ret = glusterd_store_iter_destroy (iter);
@@ -1408,6 +1526,7 @@ glusterd_store_retrieve_peers (xlator_t *this)
char *key = NULL;
char *value = NULL;
glusterd_peerctx_args_t args = {0};
+ glusterd_store_op_errno_t op_errno = GD_STORE_SUCCESS;
GF_ASSERT (this);
priv = this->private;
@@ -1429,7 +1548,7 @@ glusterd_store_retrieve_peers (xlator_t *this)
while (entry) {
snprintf (filepath, PATH_MAX, "%s/%s", path, entry->d_name);
- ret = glusterd_store_handle_new (filepath, &shandle);
+ ret = glusterd_store_handle_retrieve (filepath, &shandle);
if (ret)
goto out;
@@ -1437,12 +1556,10 @@ glusterd_store_retrieve_peers (xlator_t *this)
if (ret)
goto out;
- ret = glusterd_store_iter_get_next (iter, &key, &value);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "key: %p, and value: %p",
- key, value);
+ ret = glusterd_store_iter_get_next (iter, &key, &value,
+ &op_errno);
+ if (ret)
goto out;
- }
while (!ret) {
@@ -1468,8 +1585,11 @@ glusterd_store_retrieve_peers (xlator_t *this)
key = NULL;
value = NULL;
- ret = glusterd_store_iter_get_next (iter, &key, &value);
+ ret = glusterd_store_iter_get_next (iter, &key, &value,
+ &op_errno);
}
+ if (op_errno != GD_STORE_EOF)
+ goto out;
(void) glusterd_store_iter_destroy (iter);
diff --git a/xlators/mgmt/glusterd/src/glusterd-store.h b/xlators/mgmt/glusterd/src/glusterd-store.h
index 650211440..472a6ef4f 100644
--- a/xlators/mgmt/glusterd/src/glusterd-store.h
+++ b/xlators/mgmt/glusterd/src/glusterd-store.h
@@ -70,6 +70,15 @@
}\
} while (0); \
+typedef enum {
+ GD_STORE_SUCCESS,
+ GD_STORE_KEY_NULL,
+ GD_STORE_VALUE_NULL,
+ GD_STORE_KEY_VALUE_NULL,
+ GD_STORE_EOF,
+ GD_STORE_ENOMEM
+} glusterd_store_op_errno_t;
+
int32_t
glusterd_store_create_volume (glusterd_volinfo_t *volinfo);
diff --git a/xlators/mgmt/glusterd/src/glusterd.c b/xlators/mgmt/glusterd/src/glusterd.c
index 1d6517a4a..478519b8b 100644
--- a/xlators/mgmt/glusterd/src/glusterd.c
+++ b/xlators/mgmt/glusterd/src/glusterd.c
@@ -402,7 +402,7 @@ init (xlator_t *this)
glusterd_restart_bricks (conf);
ret = 0;
out:
- if (ret == -1) {
+ if (ret < 0) {
if (this->private != NULL) {
GF_FREE (this->private);
this->private = NULL;
diff --git a/xlators/mgmt/glusterd/src/glusterd.h b/xlators/mgmt/glusterd/src/glusterd.h
index 1fb734c50..43a14f297 100644
--- a/xlators/mgmt/glusterd/src/glusterd.h
+++ b/xlators/mgmt/glusterd/src/glusterd.h
@@ -80,6 +80,7 @@ typedef enum glusterd_op_ {
struct glusterd_store_iter_ {
int fd;
FILE *file;
+ char filepath[PATH_MAX];
};
typedef struct glusterd_store_iter_ glusterd_store_iter_t;
generated by cgit (git 2.34.1) at 2024-11-11 18:06:52 +0000