]> git.saurik.com Git - redis.git/blobdiff - src/debug.c
Merge pull request #193 from lamby/sparc-crash
[redis.git] / src / debug.c
index f58fcbaeb3bed8e45933a5688c488a4de62798c6..376e07125df988bf1942813879635619f2877bb3 100644 (file)
@@ -91,16 +91,16 @@ void computeDatasetDigest(unsigned char *final) {
         while((de = dictNext(di)) != NULL) {
             sds key;
             robj *keyobj, *o;
-            time_t expiretime;
+            long long expiretime;
 
             memset(digest,0,20); /* This key-val digest */
-            key = dictGetEntryKey(de);
+            key = dictGetKey(de);
             keyobj = createStringObject(key,sdslen(key));
 
             mixDigest(digest,key,sdslen(key));
 
             /* Make sure the key is loaded if VM is active */
-            o = lookupKeyRead(db,keyobj);
+            o = dictGetVal(de);
 
             aux = htonl(o->type);
             mixDigest(digest,&aux,sizeof(aux));
@@ -119,30 +119,65 @@ void computeDatasetDigest(unsigned char *final) {
                 }
                 listTypeReleaseIterator(li);
             } else if (o->type == REDIS_SET) {
-                setIterator *si = setTypeInitIterator(o);
+                setTypeIterator *si = setTypeInitIterator(o);
                 robj *ele;
-                while((ele = setTypeNext(si)) != NULL) {
+                while((ele = setTypeNextObject(si)) != NULL) {
                     xorObjectDigest(digest,ele);
                     decrRefCount(ele);
                 }
                 setTypeReleaseIterator(si);
             } else if (o->type == REDIS_ZSET) {
-                zset *zs = o->ptr;
-                dictIterator *di = dictGetIterator(zs->dict);
-                dictEntry *de;
-
-                while((de = dictNext(di)) != NULL) {
-                    robj *eleobj = dictGetEntryKey(de);
-                    double *score = dictGetEntryVal(de);
-                    unsigned char eledigest[20];
-
-                    snprintf(buf,sizeof(buf),"%.17g",*score);
-                    memset(eledigest,0,20);
-                    mixObjectDigest(eledigest,eleobj);
-                    mixDigest(eledigest,buf,strlen(buf));
-                    xorDigest(digest,eledigest,20);
+                unsigned char eledigest[20];
+
+                if (o->encoding == REDIS_ENCODING_ZIPLIST) {
+                    unsigned char *zl = o->ptr;
+                    unsigned char *eptr, *sptr;
+                    unsigned char *vstr;
+                    unsigned int vlen;
+                    long long vll;
+                    double score;
+
+                    eptr = ziplistIndex(zl,0);
+                    redisAssert(eptr != NULL);
+                    sptr = ziplistNext(zl,eptr);
+                    redisAssert(sptr != NULL);
+
+                    while (eptr != NULL) {
+                        redisAssert(ziplistGet(eptr,&vstr,&vlen,&vll));
+                        score = zzlGetScore(sptr);
+
+                        memset(eledigest,0,20);
+                        if (vstr != NULL) {
+                            mixDigest(eledigest,vstr,vlen);
+                        } else {
+                            ll2string(buf,sizeof(buf),vll);
+                            mixDigest(eledigest,buf,strlen(buf));
+                        }
+
+                        snprintf(buf,sizeof(buf),"%.17g",score);
+                        mixDigest(eledigest,buf,strlen(buf));
+                        xorDigest(digest,eledigest,20);
+                        zzlNext(zl,&eptr,&sptr);
+                    }
+                } else if (o->encoding == REDIS_ENCODING_SKIPLIST) {
+                    zset *zs = o->ptr;
+                    dictIterator *di = dictGetIterator(zs->dict);
+                    dictEntry *de;
+
+                    while((de = dictNext(di)) != NULL) {
+                        robj *eleobj = dictGetKey(de);
+                        double *score = dictGetVal(de);
+
+                        snprintf(buf,sizeof(buf),"%.17g",*score);
+                        memset(eledigest,0,20);
+                        mixObjectDigest(eledigest,eleobj);
+                        mixDigest(eledigest,buf,strlen(buf));
+                        xorDigest(digest,eledigest,20);
+                    }
+                    dictReleaseIterator(di);
+                } else {
+                    redisPanic("Unknown sorted set encoding");
                 }
-                dictReleaseIterator(di);
             } else if (o->type == REDIS_HASH) {
                 hashTypeIterator *hi;
                 robj *obj;
@@ -152,10 +187,10 @@ 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);
@@ -177,6 +212,9 @@ 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,"assert")) {
+        if (c->argc >= 3) c->argv[2] = tryObjectEncoding(c->argv[2]);
+        redisAssertWithInfo(c,c->argv[0],1 == 2);
     } else if (!strcasecmp(c->argv[1]->ptr,"reload")) {
         if (rdbSave(server.dbfilename) != REDIS_OK) {
             addReply(c,shared.err);
@@ -184,7 +222,7 @@ void debugCommand(redisClient *c) {
         }
         emptyDb();
         if (rdbLoad(server.dbfilename) != REDIS_OK) {
-            addReply(c,shared.err);
+            addReplyError(c,"Error trying to load the RDB dump");
             return;
         }
         redisLog(REDIS_WARNING,"DB reloaded by DEBUG RELOAD");
@@ -198,60 +236,24 @@ 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);
+        dictEntry *de;
         robj *val;
+        char *strenc;
 
-        if (!de) {
+        if ((de = dictFind(c->db->dict,c->argv[2]->ptr)) == NULL) {
             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);
-        robj *val;
-        vmpointer *vp;
-
-        if (!server.vm_enabled) {
-            addReplySds(c,sdsnew("-ERR Virtual Memory is disabled\r\n"));
-            return;
-        }
-        if (!de) {
-            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);
-        }
+        val = dictGetVal(de);
+        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;
@@ -274,18 +276,23 @@ 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]);
+        addReplyStatus(c,d);
+        sdsfree(d);
+    } else if (!strcasecmp(c->argv[1]->ptr,"sleep") && c->argc == 3) {
+        double dtime = strtod(c->argv[2]->ptr,NULL);
+        long long utime = dtime*1000000;
 
-        d = sdscatlen(d,"\r\n",2);
-        addReplySds(c,d);
+        usleep(utime);
+        addReply(c,shared.ok);
     } 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]");
     }
 }
 
@@ -298,11 +305,56 @@ void _redisAssert(char *estr, char *file, int line) {
 #endif
 }
 
+void _redisAssertPrintClientInfo(redisClient *c) {
+    int j;
+
+    redisLog(REDIS_WARNING,"=== ASSERTION FAILED CLIENT CONTEXT ===");
+    redisLog(REDIS_WARNING,"client->flags = %d", c->flags);
+    redisLog(REDIS_WARNING,"client->fd = %d", c->fd);
+    redisLog(REDIS_WARNING,"client->argc = %d", c->argc);
+    for (j=0; j < c->argc; j++) {
+        char buf[128];
+        char *arg;
+
+        if (c->argv[j]->type == REDIS_STRING &&
+            c->argv[j]->encoding == REDIS_ENCODING_RAW)
+        {
+            arg = (char*) c->argv[j]->ptr;
+        } else {
+            snprintf(buf,sizeof(buf),"Object type: %d, encoding: %d",
+                c->argv[j]->type, c->argv[j]->encoding);
+            arg = buf;
+        }
+        redisLog(REDIS_WARNING,"client->argv[%d] = \"%s\" (refcount: %d)",
+            j, arg, c->argv[j]->refcount);
+    }
+}
+
+void _redisAssertPrintObject(robj *o) {
+    redisLog(REDIS_WARNING,"=== ASSERTION FAILED OBJECT CONTEXT ===");
+    redisLog(REDIS_WARNING,"Object type: %d", o->type);
+    redisLog(REDIS_WARNING,"Object encoding: %d", o->encoding);
+    redisLog(REDIS_WARNING,"Object refcount: %d", o->refcount);
+    if (o->type == REDIS_STRING && o->encoding == REDIS_ENCODING_RAW) {
+        redisLog(REDIS_WARNING,"Object raw string len: %d", sdslen(o->ptr));
+        if (sdslen(o->ptr) < 4096)
+            redisLog(REDIS_WARNING,"Object raw string content: \"%s\"", (char*)o->ptr);
+    }
+}
+
+void _redisAssertWithInfo(redisClient *c, robj *o, char *estr, char *file, int line) {
+    if (c) _redisAssertPrintClientInfo(c);
+    if (o) _redisAssertPrintObject(o);
+    _redisAssert(estr,file,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
 }