struct msg *
dnode_req_send_next(struct context *ctx, struct conn *conn)
{
rstatus_t status;
ASSERT(conn->type == CONN_DNODE_PEER_SERVER);
uint32_t now = time(NULL);
//throttling the sending traffics here
if (!conn->same_dc) {
if (conn->last_sent != 0) {
uint32_t elapsed_time = now - conn->last_sent;
uint32_t earned_tokens = elapsed_time * msgs_per_sec();
conn->avail_tokens = (conn->avail_tokens + earned_tokens) < msgs_per_sec()?
conn->avail_tokens + earned_tokens : msgs_per_sec();
}
conn->last_sent = now;
if (conn->avail_tokens > 0) {
conn->avail_tokens--;
return req_send_next(ctx, conn);
}
//requeue
status = event_add_out(ctx->evb, conn);
IGNORE_RET_VAL(status);
return NULL;
}
conn->last_sent = now;
return req_send_next(ctx, conn);
}
struct msg *
dnode_req_send_next(struct context *ctx, struct conn *conn)
{
rstatus_t status;
struct msg *msg, *nmsg; /* current and next message */
ASSERT(!conn->dnode_client && !conn->dnode_server);
return req_send_next(ctx, conn);
}
