Merge branch 'unstable' of https://github.com/antirez/redis into Multithread

src/acl.c

@@ -1268,7 +1268,9 @@ sds ACLLoadFromFile(const char *filename) {
  * When C_ERR is returned a log is produced with hints about the issue. */
 int ACLSaveToFile(const char *filename) {
     sds acl = sdsempty();
-    int fd;
+    int fd = -1;
+    sds tmpfilename = NULL;
+    int retval = C_ERR;
 
     /* Let's generate an SDS string containing the new version of the
      * ACL file. */
@@ -1291,41 +1293,38 @@ int ACLSaveToFile(const char *filename) {
     raxStop(&ri);
 
     /* Create a temp file with the new content. */
-    sds tmpfilename = sdsnew(filename);
+    tmpfilename = sdsnew(filename);
     tmpfilename = sdscatfmt(tmpfilename,".tmp-%i-%I",
         (int)getpid(),(int)mstime());
     if ((fd = open(tmpfilename,O_WRONLY|O_CREAT,0644)) == -1) {
         serverLog(LL_WARNING,"Opening temp ACL file for ACL SAVE: %s",
             strerror(errno));
-        sdsfree(tmpfilename);
-        sdsfree(acl);
-        return C_ERR;
+        goto cleanup;
     }
 
     /* Write it. */
     if (write(fd,acl,sdslen(acl)) != (ssize_t)sdslen(acl)) {
         serverLog(LL_WARNING,"Writing ACL file for ACL SAVE: %s",
             strerror(errno));
-        close(fd);
-        unlink(tmpfilename);
-        sdsfree(tmpfilename);
-        sdsfree(acl);
-        return C_ERR;
+        goto cleanup;
     }
-    close(fd);
-    sdsfree(acl);
+    close(fd); fd = -1;
 
     /* Let's replace the new file with the old one. */
     if (rename(tmpfilename,filename) == -1) {
         serverLog(LL_WARNING,"Renaming ACL file for ACL SAVE: %s",
             strerror(errno));
-        unlink(tmpfilename);
-        sdsfree(tmpfilename);
-        return C_ERR;
+        goto cleanup;
     }
+    sdsfree(tmpfilename); tmpfilename = NULL;
+    retval = C_OK; /* If we reached this point, everything is fine. */
 
+cleanup:
+    if (fd != -1) close(fd);
+    if (tmpfilename) unlink(tmpfilename);
     sdsfree(tmpfilename);
-    return C_OK;
+    sdsfree(acl);
+    return retval;
 }
 
 /* This function is called once the server is already running, modules are
@@ -1372,7 +1371,7 @@ void ACLLoadUsersAtStartup(void) {
  * ACL USERS
  * ACL CAT [<category>]
  * ACL SETUSER <username> ... acl rules ...
- * ACL DELUSER <username>
+ * ACL DELUSER <username> [...]
  * ACL GETUSER <username>
  */
 void aclCommand(client *c) {
@@ -1400,6 +1399,10 @@ void aclCommand(client *c) {
                 addReplyError(c,"The 'default' user cannot be removed");
                 return;
             }
+        }
+
+        for (int j = 2; j < c->argc; j++) {
+            sds username = c->argv[j]->ptr;
             user *u;
             if (raxRemove(Users,(unsigned char*)username,
                           sdslen(username),
@@ -1546,7 +1549,7 @@ void aclCommand(client *c) {
 "USERS                             -- List all the registered usernames.",
 "SETUSER <username> [attribs ...]  -- Create or modify a user.",
 "GETUSER <username>                -- Get the user details.",
-"DELUSER <username>                -- Delete a user.",
+"DELUSER <username> [...]          -- Delete a list of users.",
 "CAT                               -- List available categories.",
 "CAT <category>                    -- List commands inside category.",
 "WHOAMI                            -- Return the current connection username.",

src/networking.cpp

@@ -862,23 +862,7 @@ void addReplyNullArray(client *c) {
 
 /* Create the length prefix of a bulk reply, example: $2234 */
 void addReplyBulkLenCore(client *c, robj *obj, bool fAsync) {
-    size_t len;
-
-    if (sdsEncodedObject(obj)) {
-        len = sdslen((sds)ptrFromObj(obj));
-    } else {
-        long n = (long)ptrFromObj(obj);
-
-        /* Compute how many bytes will take this integer as a radix 10 string */
-        len = 1;
-        if (n < 0) {
-            len++;
-            n = -n;
-        }
-        while((n = n/10) != 0) {
-            len++;
-        }
-    }
+    size_t len = stringObjectLen(obj);
 
     if (len < OBJ_SHARED_BULKHDR_LEN)
         addReplyCore(c,shared.bulkhdr[len], fAsync);

src/redis-cli.c

@@ -4930,6 +4930,12 @@ static int clusterManagerCommandCreate(int argc, char **argv) {
         cursor += slots_per_node;
     }
 
+    /* Rotating the list sometimes helps to get better initial
+     * anti-affinity before the optimizer runs. */
+    clusterManagerNode *first_node = interleaved[0];
+    for (i = 0; i < (interleaved_len - 1); i++)
+        interleaved[i] = interleaved[i + 1];
+    interleaved[interleaved_len - 1] = first_node;
     int assign_unused = 0, available_count = interleaved_len;
 assign_replicas:
     for (i = 0; i < masters_count; i++) {