From ea57a990480e734d6f1db715946de18bd048ee97 Mon Sep 17 00:00:00 2001 From: jsonkey Date: Fri, 20 Apr 2018 16:10:39 +0800 Subject: [PATCH] delete unused files. --- core/lb_cql.c | 177 -------------------------------------------------- core/lb_cql.h | 20 ------ 2 files changed, 197 deletions(-) delete mode 100644 core/lb_cql.c delete mode 100644 core/lb_cql.h diff --git a/core/lb_cql.c b/core/lb_cql.c deleted file mode 100644 index 40f9efc..0000000 --- a/core/lb_cql.c +++ /dev/null @@ -1,177 +0,0 @@ -/* Copyright (c) 2017. TIG developer. */ - -#include -#include - -#include -#include -#include -#include -#include - -#include "lb_cql.h" - -struct cql_entry { - TAILQ_ENTRY(cql_entry) next; - uint64_t time; -}; - -struct cql_rule { - uint32_t ip; - uint32_t qps; - rte_spinlock_t lock; - TAILQ_HEAD(, cql_entry) tbl; - struct cql_entry entries[0]; -}; - -struct lb_cql { - struct rte_hash *h; - uint32_t size; - uint32_t socket_id; -}; - -static struct cql_rule * -cql_rule_create(uint32_t ip, uint32_t qps, uint32_t socket_id) { - struct cql_rule *r; - uint32_t size; - uint32_t i; - - size = sizeof(struct cql_rule) + qps * sizeof(struct cql_entry); - r = rte_zmalloc_socket(NULL, size, RTE_CACHE_LINE_SIZE, socket_id); - if (!r) { - return NULL; - } - r->ip = ip; - r->qps = qps; - rte_spinlock_init(&r->lock); - TAILQ_INIT(&r->tbl); - for (i = 0; i < qps; i++) { - TAILQ_INSERT_TAIL(&r->tbl, &r->entries[i], next); - } - return r; -} - -static void -cql_rule_free(struct cql_rule *r) { - rte_free(r); -} - -static int -cql_rule_enqueue(struct cql_rule *r, uint64_t time) { - struct cql_entry *e; - - rte_spinlock_lock(&r->lock); - e = TAILQ_FIRST(&r->tbl); - if (e && (e->time + rte_get_tsc_hz() < time)) { - e->time = time; - TAILQ_REMOVE(&r->tbl, e, next); - TAILQ_INSERT_TAIL(&r->tbl, e, next); - rte_spinlock_unlock(&r->lock); - return 0; - } - rte_spinlock_unlock(&r->lock); - return -1; -} - -static void -__cql_rule_del(struct lb_cql *cql, uint32_t ip) { - struct cql_rule *r; - - if (rte_hash_lookup_data(cql->h, (const void *)&ip, (void **)&r) >= 0) { - rte_hash_del_key(cql->h, (const void *)&ip); - cql_rule_free(r); - } -} - -int -lb_cql_rule_add(struct lb_cql *cql, uint32_t ip, uint32_t qps) { - struct cql_rule *r; - - r = cql_rule_create(ip, qps, cql->socket_id); - if (!r) { - return -1; - } - __cql_rule_del(cql, ip); - if (rte_hash_add_key_data(cql->h, (const void *)&ip, r) < 0) { - cql_rule_free(r); - return -1; - } - return 0; -} - -void -lb_cql_rule_del(struct lb_cql *cql, uint32_t ip) { - __cql_rule_del(cql, ip); -} - -int -lb_cql_rule_iterate(struct lb_cql *cql, uint32_t *ip, uint32_t *qps, - uint32_t *next) { - uint32_t *k; - struct cql_rule *r; - int pos; - - pos = rte_hash_iterate(cql->h, (const void **)&k, (void **)&r, next); - if (pos >= 0) { - *ip = r->ip; - *qps = r->qps; - } - return pos; -} - -int -lb_cql_check(struct lb_cql *cql, uint32_t ip, uint64_t time) { - struct cql_rule *r; - - if (rte_hash_lookup_data(cql->h, (const void **)&ip, (void **)&r) < 0) { - return 0; - } - return cql_rule_enqueue(r, time); -} - -uint32_t -lb_cql_size(struct lb_cql *cql) { - return cql->size; -} - -struct lb_cql * -lb_cql_create(const char *name, uint32_t size, uint32_t socket_id) { - struct lb_cql *cql; - struct rte_hash_parameters params = {0}; - - cql = rte_zmalloc_socket(NULL, sizeof(struct lb_cql), 0, socket_id); - if (!cql) { - return NULL; - } - cql->size = size; - cql->socket_id = socket_id; - - params.name = name; - params.entries = size; - params.key_len = sizeof(uint32_t); - params.hash_func = rte_hash_crc; - params.socket_id = socket_id; - cql->h = rte_hash_create(¶ms); - if (!cql->h) { - rte_free(cql); - return NULL; - } - return cql; -} - -void -lb_cql_destory(struct lb_cql *cql) { - const void *k; - struct cql_rule *r; - uint32_t n = 0; - - if (!cql) { - return; - } - while (rte_hash_iterate(cql->h, &k, (void **)&r, &n) >= 0) { - cql_rule_free(r); - } - rte_hash_free(cql->h); - rte_free(cql); -} - diff --git a/core/lb_cql.h b/core/lb_cql.h deleted file mode 100644 index b2cf45f..0000000 --- a/core/lb_cql.h +++ /dev/null @@ -1,20 +0,0 @@ -/* Copyright (c) 2017. TIG developer. */ - -/* CQL: client query limit */ - -#ifndef __LB_CQL_H__ -#define __LB_CQL_H__ - -struct lb_cql; - -int lb_cql_rule_add(struct lb_cql *cql, uint32_t ip, uint32_t qps); -void lb_cql_rule_del(struct lb_cql *cql, uint32_t ip); -int lb_cql_rule_iterate(struct lb_cql *cql, uint32_t *ip, uint32_t *qps, - uint32_t *next); -int lb_cql_check(struct lb_cql *cql, uint32_t ip, uint64_t time); -uint32_t lb_cql_size(struct lb_cql *cql); -struct lb_cql *lb_cql_create(const char *name, uint32_t size, uint32_t socket_id); -void lb_cql_destory(struct lb_cql *cql); - -#endif -