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-rw-r--r--cli/src/cli-cmd-parser.c193
1 files changed, 181 insertions, 12 deletions
diff --git a/cli/src/cli-cmd-parser.c b/cli/src/cli-cmd-parser.c
index 87d2997..b05fad3 100644
--- a/cli/src/cli-cmd-parser.c
+++ b/cli/src/cli-cmd-parser.c
@@ -2972,6 +2972,142 @@ out:
return ret;
}
+/* snapshot list [<volnames> | <volname> -s <snapname> | -c <cgname>] [-d]
+ * cmdi is command index which contains number of standard arguments in
+ * command, here cmdi is 2 i.e "gluster snapshot list"
+ */
+int
+cli_snap_list_parse (dict_t *dict, const char **words, int wordcount, int cmdi)
+{
+ int ret = -1;
+ int i = 0;
+ int64_t vol_count = 0;
+ int vol_start_index = -1;
+ int8_t snap_details = 0;
+ char *snap_name = NULL;
+ char *cg_name = NULL;
+ char *vol_name = NULL;
+ char key[256] = "";
+
+ GF_ASSERT (dict);
+ GF_ASSERT (words);
+ GF_ASSERT (wordcount >= cmdi);
+ /* if command is "gluster snapshot list*/
+ if (wordcount == cmdi) {
+ ret = 0;
+ goto out;
+ }
+
+ for (i = cmdi; i < wordcount; ++i) {
+ if (strcmp (words[i], "-d") == 0) {
+ if (snap_details == 1) {
+ /* If option is already set */
+ gf_log("", GF_LOG_ERROR,
+ "snap_details already set");
+ goto out;
+ }
+ snap_details = 1;
+ } else if (strcmp (words[i], "-s") == 0) {
+ if ((wordcount - 1) == i || (snap_name != NULL)
+ || vol_count != 1 || strcmp (words[++i], "-d") == 0
+ || strcmp (words[i], "-c") == 0) {
+ /* if -s is not followed by a valid snap_name
+ * or if snap_name is already parsed
+ * or number of volname specified
+ * is not equal to 1
+ */
+ gf_log("", GF_LOG_ERROR, "Invalid snap_name"
+ " or snap_name already parsed"
+ " or volname specified is not equal 1");
+ goto out;
+ }
+ snap_name = words[i]; // word followed by -s is snapname
+ } else if (strcmp (words[i], "-c") == 0) {
+ if ((wordcount - 1) == i || (cg_name != NULL)
+ || strcmp (words[++i], "-d") == 0
+ || strcmp (words[i], "-s") == 0) {
+ /* if -c is not followed by a valid cg_name
+ * or if cg_name is already parsed
+ */
+ gf_log("", GF_LOG_ERROR, "Invalid cg_name"
+ " or cg_name already parsed");
+ goto out;
+ }
+ cg_name = words[i];
+ } else {
+ if (vol_count != 0) {
+ /* if vol names already set */
+ gf_log("", GF_LOG_ERROR,
+ "Vol Names already set");
+ goto out;
+ }
+
+ vol_start_index = i;
+ vol_count = 1;
+
+ while (++i < wordcount) {
+ if ((strcmp (words[i], "-d") == 0) ||
+ (strcmp (words[i], "-s") == 0) ||
+ (strcmp (words[i], "-c") == 0)) {
+ /*if option -d, -s or -c is given after volname
+ *then go back in index to parse this option
+ *again
+ */
+ --i;
+ break;
+ }
+ ++vol_count;
+ }
+ }
+ }
+
+ /* if CG name is present in the command then fill it to dictionary */
+ if (cg_name != NULL) {
+ if (snap_name != NULL || vol_count != 0) {
+ /* When -s option or volume name is given along
+ * with -c option. Details of single snap belonging
+ * to a CG is not supported.
+ */
+ gf_log("", GF_LOG_ERROR, "details of single snap"
+ " belonging to a CG is not supported");
+ goto out;
+ }
+ ret = dict_set_str(dict, "cg_name", cg_name);
+ if (ret) {
+ gf_log("", GF_LOG_ERROR, "Failed to set cg_name");
+ goto out;
+ }
+ } else {
+ /* if snap name is present in the command
+ * then fill it to dictionary
+ */
+ if (snap_name != NULL) {
+ ret = dict_set_str (dict, "snap_name", snap_name);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR,
+ "Failed to set snap_name");
+ goto out;
+ }
+ }
+
+ ret = dict_set_int64 (dict, "vol_count", vol_count);
+ /* fill volume name in dictionary */
+ for (i = 0; i < vol_count; ++i) {
+ vol_name = words[vol_start_index + i];
+ snprintf (key, sizeof (key), "vol%d", i);
+ ret = dict_set_str (dict, key, vol_name);
+ if (ret) {
+ gf_log("", GF_LOG_ERROR,
+ "Failed to set vol_name");
+ goto out;
+ }
+ }
+ }
+out:
+ return ret;
+}
+
+
int32_t
cli_cmd_snapshot_parse (const char **words, int wordcount, dict_t **options)
{
@@ -2979,8 +3115,9 @@ cli_cmd_snapshot_parse (const char **words, int wordcount, dict_t **options)
dict_t *dict = NULL;
gf1_cli_snapshot type = GF_SNAP_OPTION_TYPE_NONE;
int32_t cmdi = 0;
- char *opwords[] = {"create", NULL};
+ char *opwords[] = {"create", "list", NULL};
char *w = NULL;
+ int i = 0;
GF_ASSERT (words);
GF_ASSERT (options);
@@ -2989,23 +3126,14 @@ cli_cmd_snapshot_parse (const char **words, int wordcount, dict_t **options)
if (!dict)
goto out;
- /* syntax:
- * snapshot create <volnames> [-n <snap-name/cg-name>] [-d <description>]
- */
/* Lowest wordcount possible */
if (wordcount < 2) {
- gf_log ("", GF_LOG_ERROR, "Invalid command: Not enough arguments");
+ gf_log ("", GF_LOG_ERROR,
+ "Invalid command: Not enough arguments");
goto out;
}
- /* In cases where the vol-name is not given
- * parsing fails. volname cannot be an opword.
- * and that is what this check verifies */
- w = str_getunamb (words[2], opwords);
- if (w)
- goto out;
-
w = str_getunamb (words[1], opwords);
if (!w) {
/* Checks if the operation is a valid operation */
@@ -3015,6 +3143,16 @@ cli_cmd_snapshot_parse (const char **words, int wordcount, dict_t **options)
/* Check which op is intended */
if (strcmp (w, "create") == 0) {
+ /*syntax:
+ *snapshot create <volnames> [-n <snap-name/cg-name>] [-d <description>]
+ */
+
+ /* In cases where the vol-name is not given
+ * parsing fails. volname cannot be an opword.
+ * and that is what this check verifies */
+ w = str_getunamb (words[2], opwords);
+ if (w)
+ goto out;
type = GF_SNAP_OPTION_TYPE_CREATE;
cmdi = 1;
ret = dict_set_int32 (dict, "type", type);
@@ -3031,6 +3169,37 @@ cli_cmd_snapshot_parse (const char **words, int wordcount, dict_t **options)
"create command parsing failed.");
goto out;
}
+ } else if (strcmp (w, "list") == 0) {
+ /* snapshot list [<volnames> | <volname> [-s <snapname>]
+ * | -c <cgname>] [-d] */
+ /* check if arguments contains any Keyword */
+ cmdi = 2;
+ for (i = cmdi ; i < wordcount ; i++) {
+ w = str_getunamb (words[i], opwords);
+ if (w) {
+ /*Checks if the operation is a valid operation*/
+ cli_out ("Usage of Keyword in wrong place");
+ gf_log ("", GF_LOG_ERROR, "Opword Mismatch");
+ goto out;
+ }
+ }
+ type = GF_SNAP_OPTION_TYPE_LIST;
+ ret = dict_set_int32 (dict, "type" , type);
+
+ if (ret) {
+ gf_log ("" , GF_LOG_ERROR,
+ "Failed to set type.");
+ goto out;
+ }
+
+ ret = cli_snap_list_parse (dict, words,
+ wordcount, cmdi);
+
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR,
+ "list command parsing failed.");
+ goto out;
+ }
} else {
gf_log ("", GF_LOG_ERROR, "Opword Mismatch");
goto out;