X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/f9c6f39b2b0039cf29df6597d41c124048c825cd..eab0e26e03fa3c27a4e1172659cea32e1b83699e:/src/cluster.c?ds=sidebyside

diff --git a/src/cluster.c b/src/cluster.c
index c6fc44b1..178c46a1 100644
--- a/src/cluster.c
+++ b/src/cluster.c
@@ -636,7 +636,7 @@ int clusterProcessPacket(clusterLink *link) {
                         if (server.cluster.slots[j] == NULL ||
                             server.cluster.slots[j]->flags & REDIS_NODE_FAIL)
                         {
-                            server.cluster.slots[j] = sender;
+                            clusterAddSlot(sender,j);
                             update_state = update_config = 1;
                         }
                     }
@@ -1099,7 +1099,8 @@ sds clusterGenNodesDescription(void) {
         ci = sdscatprintf(ci,"%ld %ld %s",
             (long) node->ping_sent,
             (long) node->pong_received,
-            node->link ? "connected" : "disconnected");
+            (node->link || node->flags & REDIS_NODE_MYSELF) ?
+                        "connected" : "disconnected");
 
         /* Slots served by this instance */
         start = -1;
@@ -1231,7 +1232,7 @@ void clusterCommand(redisClient *c) {
 
                 retval = del ? clusterDelSlot(j) :
                                clusterAddSlot(server.cluster.myself,j);
-                redisAssert(retval == REDIS_OK);
+                redisAssertWithInfo(c,NULL,retval == REDIS_OK);
             }
         }
         zfree(slots);
@@ -1239,9 +1240,10 @@ void clusterCommand(redisClient *c) {
         clusterSaveConfigOrDie();
         addReply(c,shared.ok);
     } else if (!strcasecmp(c->argv[1]->ptr,"setslot") && c->argc >= 4) {
-        /* SETSLOT 10 MIGRATING <instance ID> */
-        /* SETSLOT 10 IMPORTING <instance ID> */
+        /* SETSLOT 10 MIGRATING <node ID> */
+        /* SETSLOT 10 IMPORTING <node ID> */
         /* SETSLOT 10 STABLE */
+        /* SETSLOT 10 NODE <node ID> */
         int slot;
         clusterNode *n;
 
@@ -1274,7 +1276,7 @@ void clusterCommand(redisClient *c) {
             /* CLUSTER SETSLOT <SLOT> STABLE */
             server.cluster.importing_slots_from[slot] = NULL;
             server.cluster.migrating_slots_to[slot] = NULL;
-        } else if (!strcasecmp(c->argv[3]->ptr,"node") && c->argc == 4) {
+        } else if (!strcasecmp(c->argv[3]->ptr,"node") && c->argc == 5) {
             /* CLUSTER SETSLOT <SLOT> NODE <NODE ID> */
             clusterNode *n = clusterLookupNode(c->argv[4]->ptr);
 
@@ -1291,7 +1293,7 @@ void clusterCommand(redisClient *c) {
                 keys = zmalloc(sizeof(robj*)*1);
                 numkeys = GetKeysInSlot(slot, keys, 1);
                 zfree(keys);
-                if (numkeys == 0) {
+                if (numkeys != 0) {
                     addReplyErrorFormat(c, "Can't assign hashslot %d to a different node while I still hold keys for this hash slot.", slot);
                     return;
                 }
@@ -1303,6 +1305,11 @@ void clusterCommand(redisClient *c) {
                 server.cluster.migrating_slots_to[slot])
                 server.cluster.migrating_slots_to[slot] = NULL;
 
+            /* If this node was importing this slot, assigning the slot to
+             * itself also clears the importing status. */
+            if (n == server.cluster.myself && server.cluster.importing_slots_from[slot])
+                server.cluster.importing_slots_from[slot] = NULL;
+
             clusterDelSlot(slot);
             clusterAddSlot(n,slot);
         } else {
@@ -1402,7 +1409,7 @@ void restoreCommand(redisClient *c) {
         return;
     }
 
-    payload = rioInitWithBuffer(c->argv[3]->ptr);
+    rioInitWithBuffer(&payload,c->argv[3]->ptr);
     if (((type = rdbLoadObjectType(&payload)) == -1) ||
         ((obj = rdbLoadObject(type,&payload)) == NULL))
     {
@@ -1414,6 +1421,7 @@ void restoreCommand(redisClient *c) {
     dbAdd(c->db,c->argv[1],obj);
     if (ttl) setExpire(c->db,c->argv[1],time(NULL)+ttl);
     addReply(c,shared.ok);
+    server.dirty++;
 }
 
 /* MIGRATE host port key dbid timeout */
@@ -1453,24 +1461,24 @@ void migrateCommand(redisClient *c) {
         return;
     }
 
-    cmd = rioInitWithBuffer(sdsempty());
-    redisAssert(rioWriteBulkCount(&cmd,'*',2));
-    redisAssert(rioWriteBulkString(&cmd,"SELECT",6));
-    redisAssert(rioWriteBulkLongLong(&cmd,dbid));
+    rioInitWithBuffer(&cmd,sdsempty());
+    redisAssertWithInfo(c,NULL,rioWriteBulkCount(&cmd,'*',2));
+    redisAssertWithInfo(c,NULL,rioWriteBulkString(&cmd,"SELECT",6));
+    redisAssertWithInfo(c,NULL,rioWriteBulkLongLong(&cmd,dbid));
 
     ttl = getExpire(c->db,c->argv[3]);
-    redisAssert(rioWriteBulkCount(&cmd,'*',4));
-    redisAssert(rioWriteBulkString(&cmd,"RESTORE",7));
-    redisAssert(c->argv[3]->encoding == REDIS_ENCODING_RAW);
-    redisAssert(rioWriteBulkString(&cmd,c->argv[3]->ptr,sdslen(c->argv[3]->ptr)));
-    redisAssert(rioWriteBulkLongLong(&cmd,(ttl == -1) ? 0 : ttl));
+    redisAssertWithInfo(c,NULL,rioWriteBulkCount(&cmd,'*',4));
+    redisAssertWithInfo(c,NULL,rioWriteBulkString(&cmd,"RESTORE",7));
+    redisAssertWithInfo(c,NULL,c->argv[3]->encoding == REDIS_ENCODING_RAW);
+    redisAssertWithInfo(c,NULL,rioWriteBulkString(&cmd,c->argv[3]->ptr,sdslen(c->argv[3]->ptr)));
+    redisAssertWithInfo(c,NULL,rioWriteBulkLongLong(&cmd,(ttl == -1) ? 0 : ttl));
 
     /* Finally the last argument that is the serailized object payload
      * in the form: <type><rdb-serialized-object>. */
-    payload = rioInitWithBuffer(sdsempty());
-    redisAssert(rdbSaveObjectType(&payload,o));
-    redisAssert(rdbSaveObject(&payload,o) != -1);
-    redisAssert(rioWriteBulkString(&cmd,payload.io.buffer.ptr,sdslen(payload.io.buffer.ptr)));
+    rioInitWithBuffer(&payload,sdsempty());
+    redisAssertWithInfo(c,NULL,rdbSaveObjectType(&payload,o));
+    redisAssertWithInfo(c,NULL,rdbSaveObject(&payload,o) != -1);
+    redisAssertWithInfo(c,NULL,rioWriteBulkString(&cmd,payload.io.buffer.ptr,sdslen(payload.io.buffer.ptr)));
     sdsfree(payload.io.buffer.ptr);
 
     /* Tranfer the query to the other node in 64K chunks. */
@@ -1501,8 +1509,16 @@ void migrateCommand(redisClient *c) {
             addReplyErrorFormat(c,"Target instance replied with error: %s",
                 (buf1[0] == '-') ? buf1+1 : buf2+1);
         } else {
+            robj *aux;
+
             dbDelete(c->db,c->argv[3]);
             addReply(c,shared.ok);
+            server.dirty++;
+
+            /* Translate MIGRATE as DEL for replication/AOF. */
+            aux = createStringObject("DEL",2);
+            rewriteClientCommandVector(c,2,aux,c->argv[3]);
+            decrRefCount(aux);
         }
     }
 
@@ -1544,9 +1560,9 @@ void dumpCommand(redisClient *c) {
 
     /* Serialize the object in a RDB-like format. It consist of an object type
      * byte followed by the serialized object. This is understood by RESTORE. */
-    payload = rioInitWithBuffer(sdsempty());
-    redisAssert(rdbSaveObjectType(&payload,o));
-    redisAssert(rdbSaveObject(&payload,o));
+    rioInitWithBuffer(&payload,sdsempty());
+    redisAssertWithInfo(c,NULL,rdbSaveObjectType(&payload,o));
+    redisAssertWithInfo(c,NULL,rdbSaveObject(&payload,o));
 
     /* Transfer to the client */
     dumpobj = createObject(REDIS_STRING,payload.io.buffer.ptr);
@@ -1616,7 +1632,7 @@ clusterNode *getNodeByQuery(redisClient *c, struct redisCommand *cmd, robj **arg
 
                 slot = keyHashSlot((char*)firstkey->ptr, sdslen(firstkey->ptr));
                 n = server.cluster.slots[slot];
-                redisAssert(n != NULL);
+                redisAssertWithInfo(c,firstkey,n != NULL);
             } else {
                 /* If it is not the first key, make sure it is exactly
                  * the same key as the first we saw. */