X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/412e457c278395a20dbc985f85a2d3d5316a2919..8df3dcada5e34c6a99666931ee6dcccd57685353:/src/aof.c diff --git a/src/aof.c b/src/aof.c index 25febb91..2396ba2c 100644 --- a/src/aof.c +++ b/src/aof.c @@ -189,6 +189,7 @@ struct redisClient *createFakeClient(void) { c->querybuf = sdsempty(); c->argc = 0; c->argv = NULL; + c->bufpos = 0; c->flags = 0; /* We set the fake client as a slave waiting for the synchronization * so that Redis will not try to send replies to this client. */ @@ -265,19 +266,18 @@ int loadAppendOnlyFile(char *filename) { redisLog(REDIS_WARNING,"Unknown command '%s' reading the append only file", argv[0]->ptr); exit(1); } - /* Try object encoding */ - if (cmd->flags & REDIS_CMD_BULK) - argv[argc-1] = tryObjectEncoding(argv[argc-1]); /* Run the command in the context of a fake client */ fakeClient->argc = argc; fakeClient->argv = argv; cmd->proc(fakeClient); - /* Discard the reply objects list from the fake client */ - while(listLength(fakeClient->reply)) - listDelNode(fakeClient->reply,listFirst(fakeClient->reply)); + + /* The fake client should not have a reply */ + redisAssert(fakeClient->bufpos == 0 && listLength(fakeClient->reply) == 0); + /* Clean up, ready for the next command */ for (j = 0; j < argc; j++) decrRefCount(argv[j]); zfree(argv); + /* Handle swapping while loading big datasets when VM is on */ force_swapout = 0; if ((zmalloc_used_memory() - server.vm_max_memory) > 1024*1024*32) @@ -311,55 +311,6 @@ fmterr: exit(1); } -/* Write binary-safe string into a file in the bulkformat - * $\r\n\r\n */ -int fwriteBulkString(FILE *fp, char *s, unsigned long len) { - char cbuf[128]; - int clen; - cbuf[0] = '$'; - clen = 1+ll2string(cbuf+1,sizeof(cbuf)-1,len); - cbuf[clen++] = '\r'; - cbuf[clen++] = '\n'; - if (fwrite(cbuf,clen,1,fp) == 0) return 0; - if (len > 0 && fwrite(s,len,1,fp) == 0) return 0; - if (fwrite("\r\n",2,1,fp) == 0) return 0; - return 1; -} - -/* Write a double value in bulk format $\r\n\r\n */ -int fwriteBulkDouble(FILE *fp, double d) { - char buf[128], dbuf[128]; - - snprintf(dbuf,sizeof(dbuf),"%.17g\r\n",d); - snprintf(buf,sizeof(buf),"$%lu\r\n",(unsigned long)strlen(dbuf)-2); - if (fwrite(buf,strlen(buf),1,fp) == 0) return 0; - if (fwrite(dbuf,strlen(dbuf),1,fp) == 0) return 0; - return 1; -} - -/* Write a long value in bulk format $\r\n\r\n */ -int fwriteBulkLongLong(FILE *fp, long long l) { - char bbuf[128], lbuf[128]; - unsigned int blen, llen; - llen = ll2string(lbuf,32,l); - blen = snprintf(bbuf,sizeof(bbuf),"$%u\r\n%s\r\n",llen,lbuf); - if (fwrite(bbuf,blen,1,fp) == 0) return 0; - return 1; -} - -/* Delegate writing an object to writing a bulk string or bulk long long. */ -int fwriteBulkObject(FILE *fp, robj *obj) { - /* Avoid using getDecodedObject to help copy-on-write (we are often - * in a child process when this function is called). */ - if (obj->encoding == REDIS_ENCODING_INT) { - return fwriteBulkLongLong(fp,(long)obj->ptr); - } else if (obj->encoding == REDIS_ENCODING_RAW) { - return fwriteBulkString(fp,obj->ptr,sdslen(obj->ptr)); - } else { - redisPanic("Unknown string encoding"); - } -} - /* Write a sequence of commands able to fully rebuild the dataset into * "filename". Used both by REWRITEAOF and BGREWRITEAOF. */ int rewriteAppendOnlyFile(char *filename) { @@ -598,7 +549,8 @@ int rewriteAppendOnlyFileBackground(void) { char tmpfile[256]; if (server.vm_enabled) vmReopenSwapFile(); - close(server.fd); + if (server.ipfd > 0) close(server.ipfd); + if (server.sofd > 0) close(server.sofd); snprintf(tmpfile,256,"temp-rewriteaof-bg-%d.aof", (int) getpid()); if (rewriteAppendOnlyFile(tmpfile) == REDIS_OK) { _exit(0); @@ -629,12 +581,11 @@ int rewriteAppendOnlyFileBackground(void) { void bgrewriteaofCommand(redisClient *c) { if (server.bgrewritechildpid != -1) { - addReplySds(c,sdsnew("-ERR background append only file rewriting already in progress\r\n")); + addReplyError(c,"Background append only file rewriting already in progress"); return; } if (rewriteAppendOnlyFileBackground() == REDIS_OK) { - char *status = "+Background append only file rewriting started\r\n"; - addReplySds(c,sdsnew(status)); + addReplyStatus(c,"Background append only file rewriting started"); } else { addReply(c,shared.err); }