REDIS_NOTUSED(el);
REDIS_NOTUSED(mask);
- /* Use writev() if we have enough buffers to send */
- if (!server.glueoutputbuf &&
- listLength(c->reply) > REDIS_WRITEV_THRESHOLD &&
- !(c->flags & REDIS_MASTER))
- {
- sendReplyToClientWritev(el, fd, privdata, mask);
- return;
- }
-
while(c->bufpos > 0 || listLength(c->reply)) {
if (c->bufpos > 0) {
if (c->flags & REDIS_MASTER) {
}
}
-void sendReplyToClientWritev(aeEventLoop *el, int fd, void *privdata, int mask)
-{
- redisClient *c = privdata;
- int nwritten = 0, totwritten = 0, objlen, willwrite;
- robj *o;
- struct iovec iov[REDIS_WRITEV_IOVEC_COUNT];
- int offset, ion = 0;
- REDIS_NOTUSED(el);
- REDIS_NOTUSED(mask);
-
- listNode *node;
- while (listLength(c->reply)) {
- offset = c->sentlen;
- ion = 0;
- willwrite = 0;
-
- /* fill-in the iov[] array */
- for(node = listFirst(c->reply); node; node = listNextNode(node)) {
- o = listNodeValue(node);
- objlen = sdslen(o->ptr);
-
- if (totwritten + objlen - offset > REDIS_MAX_WRITE_PER_EVENT)
- break;
-
- if(ion == REDIS_WRITEV_IOVEC_COUNT)
- break; /* no more iovecs */
-
- iov[ion].iov_base = ((char*)o->ptr) + offset;
- iov[ion].iov_len = objlen - offset;
- willwrite += objlen - offset;
- offset = 0; /* just for the first item */
- ion++;
- }
-
- if(willwrite == 0)
- break;
-
- /* write all collected blocks at once */
- if((nwritten = writev(fd, iov, ion)) < 0) {
- if (errno != EAGAIN) {
- redisLog(REDIS_VERBOSE,
- "Error writing to client: %s", strerror(errno));
- freeClient(c);
- return;
- }
- break;
- }
-
- totwritten += nwritten;
- offset = c->sentlen;
-
- /* remove written robjs from c->reply */
- while (nwritten && listLength(c->reply)) {
- o = listNodeValue(listFirst(c->reply));
- objlen = sdslen(o->ptr);
-
- if(nwritten >= objlen - offset) {
- listDelNode(c->reply, listFirst(c->reply));
- nwritten -= objlen - offset;
- c->sentlen = 0;
- } else {
- /* partial write */
- c->sentlen += nwritten;
- break;
- }
- offset = 0;
- }
- }
-
- if (totwritten > 0)
- c->lastinteraction = time(NULL);
-
- if (listLength(c->reply) == 0) {
- c->sentlen = 0;
- aeDeleteFileEvent(server.el,c->fd,AE_WRITABLE);
- }
-}
-
/* resetClient prepare the client to process the next command */
void resetClient(redisClient *c) {
freeClientArgv(c);