caleb-brown/redict
1
0
Fork 0
mirror of https://codeberg.org/redict/redict.git synced 2025-01-22 16:18:28 -05:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fixed replication when multiple slaves are attaching at the same time. The output buffer was not copied correctly between slaves. This fixes issue #141.

Browse Source
This commit is contained in:
antirez 2011-12-30 19:34:40 +01:00
parent 2ebd2720b3
commit 1824e3a3a3
3 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/networking.c
View File

@ -401,6 +401,16 @@ void addReplyBulkLongLong(redisClient *c, long long ll) {
addReplyBulkCBuffer(c,buf,len);
}
/* Copy 'src' client output buffers into 'dst' client output buffers.
* The function takes care of freeing the old output buffers of the
* destination client. */
void copyClientOutputBuffer(redisClient *dst, redisClient *src) {
listRelease(dst->reply);
dst->reply = listDup(src->reply);
memcpy(dst->buf,src->buf,src->bufpos);
dst->bufpos = src->bufpos;
}
static void acceptCommonHandler(int fd) {
redisClient *c;
if ((c = createClient(fd)) == NULL) {

1
src/redis.h
View File

@ -774,6 +774,7 @@ void addReplyStatus(redisClient *c, char *status);
void addReplyDouble(redisClient *c, double d);
void addReplyLongLong(redisClient *c, long long ll);
void addReplyMultiBulkLen(redisClient *c, long length);
void copyClientOutputBuffer(redisClient *dst, redisClient *src);
void *dupClientReplyValue(void *o);
void getClientsMaxBuffers(unsigned long *longest_output_list,
unsigned long *biggest_input_buffer);

3
src/replication.c
View File

@ -122,8 +122,7 @@ void syncCommand(redisClient *c) {
if (ln) {
/* Perfect, the server is already registering differences for
* another slave. Set the right state, and copy the buffer. */
listRelease(c->reply);
c->reply = listDup(slave->reply);
copyClientOutputBuffer(c,slave);
c->replstate = REDIS_REPL_WAIT_BGSAVE_END;
redisLog(REDIS_NOTICE,"Waiting for end of BGSAVE for SYNC");
} else {