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LRANGE converted into a COW friendly command. Some refactoring, comment, and new addReply*() family function added in the process.

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This commit is contained in:
antirez
2010-12-07 16:33:13 +01:00
parent bbac56c2f8
commit d51ebef509
4 changed files with 60 additions and 15 deletions
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30
src/networking.c
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@ -178,6 +178,9 @@ void addReply(redisClient *c, robj *obj) {
if (_addReplyToBuffer(c,obj->ptr,sdslen(obj->ptr)) != REDIS_OK)
_addReplyObjectToList(c,obj);
} else {
/* FIXME: convert the long into string and use _addReplyToBuffer()
* instead of calling getDecodedObject. As this place in the
* code is too performance critical. */
obj = getDecodedObject(obj);
if (_addReplyToBuffer(c,obj->ptr,sdslen(obj->ptr)) != REDIS_OK)
_addReplyObjectToList(c,obj);
@ -275,6 +278,7 @@ void setDeferredMultiBulkLength(redisClient *c, void *node, long length) {
}
}
/* Add a duble as a bulk reply */
void addReplyDouble(redisClient *c, double d) {
char dbuf[128], sbuf[128];
int dlen, slen;
@ -283,6 +287,8 @@ void addReplyDouble(redisClient *c, double d) {
addReplyString(c,sbuf,slen);
}
/* Add a long long as integer reply or bulk len / multi bulk count.
* Basically this is used to output <prefix><long long><crlf>. */
void _addReplyLongLong(redisClient *c, long long ll, char prefix) {
char buf[128];
int len;
@ -301,6 +307,7 @@ void addReplyMultiBulkLen(redisClient *c, long length) {
_addReplyLongLong(c,length,'*');
}
/* Create the length prefix of a bulk reply, example: $2234 */
void addReplyBulkLen(redisClient *c, robj *obj) {
size_t len;
@ -322,23 +329,38 @@ void addReplyBulkLen(redisClient *c, robj *obj) {
_addReplyLongLong(c,len,'$');
}
/* Add a Redis Object as a bulk reply */
void addReplyBulk(redisClient *c, robj *obj) {
addReplyBulkLen(c,obj);
addReply(c,obj);
addReply(c,shared.crlf);
}
/* In the CONFIG command we need to add vanilla C string as bulk replies */
/* Add a C buffer as bulk reply */
void addReplyBulkCBuffer(redisClient *c, void *p, size_t len) {
_addReplyLongLong(c,len,'$');
addReplyString(c,p,len);
addReply(c,shared.crlf);
}
/* Add a C nul term string as bulk reply */
void addReplyBulkCString(redisClient *c, char *s) {
if (s == NULL) {
addReply(c,shared.nullbulk);
} else {
robj *o = createStringObject(s,strlen(s));
addReplyBulk(c,o);
decrRefCount(o);
addReplyBulkCBuffer(c,s,strlen(s));
}
}
/* Add a long long as a bulk reply */
void addReplyBulkLongLong(redisClient *c, long long ll) {
char buf[64];
int len;
len = ll2string(buf,64,ll);
addReplyBulkCBuffer(c,buf,len);
}
static void acceptCommonHandler(int fd) {
redisClient *c;
if ((c = createClient(fd)) == NULL) {