Remove comment

[redis.git] / src / debug.c

diff --git a/src/debug.c b/src/debug.c
index ba183d7275414bc1ab70f1de56f39049412e2447..c1fc26cf671312786f789daae33d72ee1ace8dc7 100644 (file)
--- a/src/debug.c
+++ b/src/debug.c
@@ -119,16 +119,13 @@ void computeDatasetDigest(unsigned char *final) {
                 }
                 listTypeReleaseIterator(li);
             } else if (o->type == REDIS_SET) {
-                dict *set = o->ptr;
-                dictIterator *di = dictGetIterator(set);
-                dictEntry *de;
-
-                while((de = dictNext(di)) != NULL) {
-                    robj *eleobj = dictGetEntryKey(de);
-
-                    xorObjectDigest(digest,eleobj);
+                setTypeIterator *si = setTypeInitIterator(o);
+                robj *ele;
+                while((ele = setTypeNextObject(si)) != NULL) {
+                    xorObjectDigest(digest,ele);
+                    decrRefCount(ele);
                 }
-                dictReleaseIterator(di);
+                setTypeReleaseIterator(si);
             } else if (o->type == REDIS_ZSET) {
                 zset *zs = o->ptr;
                 dictIterator *di = dictGetIterator(zs->dict);
@@ -155,10 +152,10 @@ void computeDatasetDigest(unsigned char *final) {
                     unsigned char eledigest[20];
 
                     memset(eledigest,0,20);
-                    obj = hashTypeCurrent(hi,REDIS_HASH_KEY);
+                    obj = hashTypeCurrentObject(hi,REDIS_HASH_KEY);
                     mixObjectDigest(eledigest,obj);
                     decrRefCount(obj);
-                    obj = hashTypeCurrent(hi,REDIS_HASH_VALUE);
+                    obj = hashTypeCurrentObject(hi,REDIS_HASH_VALUE);
                     mixObjectDigest(eledigest,obj);
                     decrRefCount(obj);
                     xorDigest(digest,eledigest,20);
@@ -180,7 +177,26 @@ void computeDatasetDigest(unsigned char *final) {
 void debugCommand(redisClient *c) {
     if (!strcasecmp(c->argv[1]->ptr,"segfault")) {
         *((char*)-1) = 'x';
+    } else if (!strcasecmp(c->argv[1]->ptr,"flushcache")) {
+        if (!server.ds_enabled) {
+            addReplyError(c, "DEBUG FLUSHCACHE called with diskstore off.");
+            return;
+        } else if (server.bgsavethread != (pthread_t) -1) {
+            addReplyError(c, "Can't flush cache while BGSAVE is in progress.");
+            return;
+        } else {
+            /* To flush the whole cache we need to wait for everything to
+             * be flushed on disk... */
+            cacheForcePointInTime();
+            emptyDb();
+            addReply(c,shared.ok);
+            return;
+        }
     } else if (!strcasecmp(c->argv[1]->ptr,"reload")) {
+        if (server.ds_enabled) {
+            addReply(c,shared.ok);
+            return;
+        }
         if (rdbSave(server.dbfilename) != REDIS_OK) {
             addReply(c,shared.err);
             return;
@@ -201,60 +217,25 @@ void debugCommand(redisClient *c) {
         redisLog(REDIS_WARNING,"Append Only File loaded by DEBUG LOADAOF");
         addReply(c,shared.ok);
     } else if (!strcasecmp(c->argv[1]->ptr,"object") && c->argc == 3) {
-        dictEntry *de = dictFind(c->db->dict,c->argv[2]->ptr);
-        robj *val;
-
-        if (!de) {
-            addReply(c,shared.nokeyerr);
-            return;
-        }
-        val = dictGetEntryVal(de);
-        if (!server.vm_enabled || (val->storage == REDIS_VM_MEMORY ||
-                                   val->storage == REDIS_VM_SWAPPING)) {
-            char *strenc;
-
-            strenc = strEncoding(val->encoding);
-            addReplySds(c,sdscatprintf(sdsempty(),
-                "+Value at:%p refcount:%d "
-                "encoding:%s serializedlength:%lld\r\n",
-                (void*)val, val->refcount,
-                strenc, (long long) rdbSavedObjectLen(val,NULL)));
-        } else {
-            vmpointer *vp = (vmpointer*) val;
-            addReplySds(c,sdscatprintf(sdsempty(),
-                "+Value swapped at: page %llu "
-                "using %llu pages\r\n",
-                (unsigned long long) vp->page,
-                (unsigned long long) vp->usedpages));
-        }
-    } else if (!strcasecmp(c->argv[1]->ptr,"swapin") && c->argc == 3) {
-        lookupKeyRead(c->db,c->argv[2]);
-        addReply(c,shared.ok);
-    } else if (!strcasecmp(c->argv[1]->ptr,"swapout") && c->argc == 3) {
-        dictEntry *de = dictFind(c->db->dict,c->argv[2]->ptr);
+        dictEntry *de;
         robj *val;
-        vmpointer *vp;
+        char *strenc;
 
-        if (!server.vm_enabled) {
-            addReplySds(c,sdsnew("-ERR Virtual Memory is disabled\r\n"));
-            return;
-        }
-        if (!de) {
+        if (server.ds_enabled) lookupKeyRead(c->db,c->argv[2]);
+        if ((de = dictFind(c->db->dict,c->argv[2]->ptr)) == NULL) {
             addReply(c,shared.nokeyerr);
             return;
         }
         val = dictGetEntryVal(de);
-        /* Swap it */
-        if (val->storage != REDIS_VM_MEMORY) {
-            addReplySds(c,sdsnew("-ERR This key is not in memory\r\n"));
-        } else if (val->refcount != 1) {
-            addReplySds(c,sdsnew("-ERR Object is shared\r\n"));
-        } else if ((vp = vmSwapObjectBlocking(val)) != NULL) {
-            dictGetEntryVal(de) = vp;
-            addReply(c,shared.ok);
-        } else {
-            addReply(c,shared.err);
-        }
+        strenc = strEncoding(val->encoding);
+
+        addReplyStatusFormat(c,
+            "Value at:%p refcount:%d "
+            "encoding:%s serializedlength:%lld "
+            "lru:%d lru_seconds_idle:%lu",
+            (void*)val, val->refcount,
+            strenc, (long long) rdbSavedObjectLen(val),
+            val->lru, estimateObjectIdleTime(val));
     } else if (!strcasecmp(c->argv[1]->ptr,"populate") && c->argc == 3) {
         long keys, j;
         robj *key, *val;
@@ -277,18 +258,17 @@ void debugCommand(redisClient *c) {
         addReply(c,shared.ok);
     } else if (!strcasecmp(c->argv[1]->ptr,"digest") && c->argc == 2) {
         unsigned char digest[20];
-        sds d = sdsnew("+");
+        sds d = sdsempty();
         int j;
 
         computeDatasetDigest(digest);
         for (j = 0; j < 20; j++)
             d = sdscatprintf(d, "%02x",digest[j]);
-
-        d = sdscatlen(d,"\r\n",2);
-        addReplySds(c,d);
+        addReplyStatus(c,d);
+        sdsfree(d);
     } else {
-        addReplySds(c,sdsnew(
-            "-ERR Syntax error, try DEBUG [SEGFAULT|OBJECT <key>|SWAPIN <key>|SWAPOUT <key>|RELOAD]\r\n"));
+        addReplyError(c,
+            "Syntax error, try DEBUG [SEGFAULT|OBJECT <key>|SWAPIN <key>|SWAPOUT <key>|RELOAD]");
     }
 }
 
@@ -302,10 +282,12 @@ void _redisAssert(char *estr, char *file, int line) {
 }
 
 void _redisPanic(char *msg, char *file, int line) {
+    redisLog(REDIS_WARNING,"------------------------------------------------");
     redisLog(REDIS_WARNING,"!!! Software Failure. Press left mouse button to continue");
     redisLog(REDIS_WARNING,"Guru Meditation: %s #%s:%d",msg,file,line);
 #ifdef HAVE_BACKTRACE
     redisLog(REDIS_WARNING,"(forcing SIGSEGV in order to print the stack trace)");
+    redisLog(REDIS_WARNING,"------------------------------------------------");
     *((char*)-1) = 'x';
 #endif
 }