mgmt/Glusterd: Memory leak fixes, minor CLI changes

Signed-off-by: Kaushik BV <kaushikbv@gluster.com>
Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>

BUG: 1852 (Usage message of volume set printed twice)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1852

3 files changed, 51 insertions, 40 deletions

diff --git a/xlators/mgmt/glusterd/src/glusterd-handler.c b/xlators/mgmt/glusterd/src/glusterd-handler.c
index 825456965..49281b956 100644
--- a/xlators/mgmt/glusterd/src/glusterd-handler.c
+++ b/xlators/mgmt/glusterd/src/glusterd-handler.c
@@ -2786,40 +2786,45 @@ _print (dict_t *unused, char *key, data_t *value, void *newdict)
 int
 glusterd_set_volume_history (rpcsvc_request_t *req,dict_t *dict)
 {
-//         dict_t                 *reply_dict = NULL;
         glusterd_volinfo_t     *volinfo    = NULL;
         gf1_cli_set_vol_rsp     rsp        = {0, };
         int                     ret        = -1;
         char                   *volname    = NULL;
-        
-        gf_log ("", GF_LOG_DEBUG, "'volume set history' command");
-        
+        char                    vol[256]   = {0, };
+
         ret = dict_get_str (dict, "volname", &volname);
 
         if (ret) {
-                gf_log ("", GF_LOG_ERROR, "Unable to get volume name");
+                gf_log ("glusterd", GF_LOG_ERROR, "Unable to get volume name");
                 goto out;
         }
 
         ret = glusterd_volinfo_find (volname, &volinfo);
         if (ret) {
-                gf_log ("", GF_LOG_ERROR, "Unable to allocate memory");
+                gf_log ("glusterd", GF_LOG_ERROR,
+                        "'volume set' Volume %s not found", volname);
+                snprintf (vol, 256, "Volume %s not present", volname);
+
+                rsp.op_errstr = gf_strdup (vol);
+                if (!rsp.op_errstr) {
+                        rsp.op_errstr = "";
+                        gf_log ("glusterd", GF_LOG_ERROR, "Out of memory");
+                }
                 goto out;
         }
-        
 
-        
         dict_foreach (volinfo->dict, _print, volinfo->dict);
-        
+
         ret = dict_allocate_and_serialize (volinfo->dict, &rsp.dict.dict_val,
                                            (size_t *)&rsp.dict.dict_len);
- 
+
 
         if (ret) {
                 gf_log ("", GF_LOG_DEBUG, "FAILED: allocatea n serialize dict");
                 goto out;
         }
 
+out:
         if (!ret)
                 rsp.op_ret = 1;
         else
@@ -2827,12 +2832,12 @@ glusterd_set_volume_history (rpcsvc_request_t *req,dict_t *dict)
         if (!rsp.volname) 
                 rsp.volname = "";
         if (!rsp.op_errstr)
-                rsp.op_errstr = "";
+                rsp.op_errstr = "Error, Validation failed";
 
         ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
                                      gf_xdr_serialize_cli_set_vol_rsp);
 
-out:
+
                 gf_log ("", GF_LOG_DEBUG, "Returning %d", ret);
         return ret;
 }
diff --git a/xlators/mgmt/glusterd/src/glusterd-op-sm.c b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
index 34caacd5e..75605e51e 100644
--- a/xlators/mgmt/glusterd/src/glusterd-op-sm.c
+++ b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
@@ -1191,13 +1191,12 @@ glusterd_op_stage_set_volume (gd1_mgmt_stage_op_req *req, char **op_errstr)
          dict = dict_new ();
          if (!dict)
                  goto out;
-        
+
         val_dict = dict_new();
         if (!val_dict)
                 goto out;
  
  	ret = dict_unserialize (req->buf.buf_val, req->buf.buf_len, &dict);
-	ret = dict_unserialize (req->buf.buf_val, req->buf.buf_len, &dict);
 
         if (ret) {
                 gf_log ("", GF_LOG_ERROR, "Unable to unserialize dict");
@@ -1217,46 +1216,48 @@ glusterd_op_stage_set_volume (gd1_mgmt_stage_op_req *req, char **op_errstr)
                 gf_log ("", GF_LOG_ERROR, "Volume with name: %s "
                         "does not exist", volname);
                 snprintf (errstr, 2048, "Volume : %s does not exist",
-                          key);
+                          volname);
                 *op_errstr = gf_strdup (errstr);
                 ret = -1;
                 goto out;
         }
-        
+
         ret = glusterd_volinfo_find (volname, &volinfo);
         if (ret) {
                 gf_log ("", GF_LOG_ERROR, "Unable to allocate memory");
                 goto out;
         }
-        
+
         ret = dict_get_int32 (dict, "count", &dict_count);
-        
+
         if (ret) {
                 gf_log ("", GF_LOG_ERROR, "Count(dict),not set in Volume-Set");
                 goto out;
         }
-        
+
         if ( dict_count == 1 ) {
                 if (dict_get (dict, "history" )) {
                         ret = 0;
                         goto out;
                 }
-                
+
                 gf_log ("", GF_LOG_ERROR, "No options received ");
+                *op_errstr = gf_strdup ("Options not specified");
                 ret = -1;
                 goto out;
         }
 
-	
 
-	for ( count = 1; ret != -1 ; count++ ) {
+
+	for ( count = 1; ret != 1 ; count++ ) {
 
 		sprintf (str, "key%d", count);
 		ret = dict_get_str (dict, str, &key);
 
 		
 		if (ret) 
-			break;
+                        break;
+
 		
 		exists = glusterd_check_option_exists (key, NULL);
 
@@ -1270,7 +1271,7 @@ glusterd_op_stage_set_volume (gd1_mgmt_stage_op_req *req, char **op_errstr)
 			ret = -1;
 			goto out;
         	}
-                
+
                 sprintf (str, "value%d", count);
                 ret = dict_get_str (dict, str, &value);
  
@@ -1280,9 +1281,9 @@ glusterd_op_stage_set_volume (gd1_mgmt_stage_op_req *req, char **op_errstr)
                         ret = -1;
                         goto out;
                 }
-                
+
                 ret = dict_set_str (val_dict, key, value);
-                        
+
                 if (ret) {
                         gf_log ("", GF_LOG_ERROR, "Unable to set the options"
                                         "in 'volume set'");
@@ -1306,20 +1307,24 @@ glusterd_op_stage_set_volume (gd1_mgmt_stage_op_req *req, char **op_errstr)
         ret = 0;
 
 out:
-       if (dict)
+        if (dict)
                 dict_unref (dict);
-       if (ret) {
-               if (!(*op_errstr)) {
-                       *op_errstr = gf_strdup ("Error, Validation Failed");
-                       gf_log ("glsuterd", GF_LOG_DEBUG, 
-                               "Error, Cannot Validate option :%s",
-                               *op_errstr);
-               }
-               else
-                       gf_log ("glsuterd", GF_LOG_DEBUG,  
-                               "Error, Cannot Validate option");
-       }
-       return ret;
+
+        if (val_dict)
+                dict_unref (val_dict);
+
+        if (ret) {
+                if (!(*op_errstr)) {
+                        *op_errstr = gf_strdup ("Error, Validation Failed");
+                        gf_log ("glsuterd", GF_LOG_DEBUG,
+                                "Error, Cannot Validate option :%s",
+                                *op_errstr);
+                }
+                else
+                        gf_log ("glsuterd", GF_LOG_DEBUG,
+                        "Error, Cannot Validate option");
+        }
+return ret;
 }
 
 static int
diff --git a/xlators/mgmt/glusterd/src/glusterd-volgen.c b/xlators/mgmt/glusterd/src/glusterd-volgen.c
index 93e276dc9..df4818df8 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volgen.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volgen.c
@@ -125,7 +125,7 @@ static struct volopt_map_entry glusterd_volopt_map[] = {
 
         {"auth.allow",                           "protocol/server",           "!server-auth", "*"},
         {"auth.reject",                          "protocol/server",           "!server-auth",},
-        
+
         {"transport.keepalive",                   "protocol/server",           "transport.socket.keepalive",},
 
         {"performance.write-behind",             "performance/write-behind",  "!perf", "on"}, /* NODOC */
@@ -186,6 +186,7 @@ xlator_instantiate_va (const char *type, const char *format, va_list arg)
         if (!xl->options)
                 goto error;
         xl->name = volname;
+        INIT_LIST_HEAD (&xl->volume_options);
 
         return xl;