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Streams: RDB saving.

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This commit is contained in:
antirez
2017-09-05 13:14:13 +02:00
parent 100d43c1ac
commit 485014cc74
5 changed files with 29 additions and 2 deletions
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22
src/rdb.c
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@ -31,6 +31,7 @@
#include "lzf.h" /* LZF compression library */
#include "zipmap.h"
#include "endianconv.h"
#include "stream.h"
#include <math.h>
#include <sys/types.h>
@ -622,6 +623,8 @@ int rdbSaveObjectType(rio *rdb, robj *o) {
return rdbSaveType(rdb,RDB_TYPE_HASH);
else
serverPanic("Unknown hash encoding");
case OBJ_STREAM:
return rdbSaveType(rdb,RDB_TYPE_STREAM_LISTPACKS);
case OBJ_MODULE:
return rdbSaveType(rdb,RDB_TYPE_MODULE_2);
default:
@ -762,7 +765,26 @@ ssize_t rdbSaveObject(rio *rdb, robj *o) {
} else {
serverPanic("Unknown hash encoding");
}
} else if (o->type == OBJ_STREAM) {
/* Store how many listpacks we have inside the radix tree. */
stream *s = o->ptr;
rax *rax = s->rax;
if ((n = rdbSaveLen(rdb,raxSize(rax))) == -1) return -1;
nwritten += n;
/* Serialize all the listpacks inside the radix tree as they are,
* when loading back, we'll use the first entry of each listpack
* to insert it back into the radix tree. */
raxIterator ri;
raxStart(&ri,rax);
raxSeek(&ri,"^",NULL,0);
while (raxNext(&ri)) {
unsigned char *lp = ri.data;
size_t lp_bytes = lpBytes(lp);
if ((n = rdbSaveRawString(rdb,lp,lp_bytes)) == -1) return -1;
nwritten += n;
}
raxStop(&ri);
} else if (o->type == OBJ_MODULE) {
/* Save a module-specific value. */
RedisModuleIO io;