src/network/include/nfacct-rule.h

   1 /*
   2  * resourced
   3  *
   4  * Copyright (c) 2012-2014 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19 /**
  20  * @file nfacct-rule.h
  21  *
  22  * @desc API for nfacct module
  23  *
  24  * Copyright (c) 2012-2014 Samsung Electronics Co., Ltd. All rights reserved.
  25  *
  26  */
  27
  28 #ifndef _RESOURCED_NFACCT_RULE_H
  29 #define _RESOURCED_NFACCT_RULE_H
  30
  31 #include "const.h"
  32 #include "data_usage.h"
  33
  34 #include <stdbool.h>
  35 #include <sys/types.h>
  36 #include <unistd.h>
  37
  38 typedef enum {
  39         NFACCT_COUNTER_UNKNOWN,
  40         NFACCT_COUNTER_IN = (1 << 1),
  41         NFACCT_COUNTER_OUT = (1 << 2),
  42         NFACCT_COUNTER_LAST_ELEM
  43 } nfacct_rule_direction;
  44
  45 typedef enum {
  46         NFACCT_ACTION_UNKNOWN,
  47         NFACCT_ACTION_APPEND,
  48         NFACCT_ACTION_DELETE,
  49         NFACCT_ACTION_INSERT,
  50         NFACCT_ACTION_LAST_ELEM,
  51 } nfacct_rule_action;
  52
  53 typedef enum {
  54         NFACCT_JUMP_UNKNOWN,
  55         NFACCT_JUMP_ACCEPT,
  56         NFACCT_JUMP_REJECT,
  57         NFACCT_JUMP_LAST_ELEM,
  58 } nfacct_rule_jump;
  59
  60 typedef enum {
  61         NFACCT_COUNTER,
  62         NFACCT_WARN,
  63         NFACCT_BLOCK,
  64         NFACCT_RULE_LAST_ELEM,
  65 } nfacct_rule_intend;
  66
  67 struct nfacct_rule {
  68         char name[MAX_NAME_LENGTH];
  69         char ifname[MAX_NAME_LENGTH];
  70
  71         pid_t pid;
  72         u_int32_t classid;
  73         resourced_iface_type iftype;
  74         nfacct_rule_direction iotype;
  75         nfacct_rule_intend intend;
  76         struct counter_arg *carg;
  77         resourced_ret_c(*iptables_rule)(struct nfacct_rule *counter);
  78         u_int64_t quota;
  79 };
  80
  81 struct counter_arg;
  82
  83 void generate_counter_name(struct nfacct_rule *counter);
  84 bool recreate_counter_by_name(char *cnt_name, struct nfacct_rule *counter);
  85
  86 resourced_ret_c  nfacct_send_get(struct counter_arg *carg);
  87 resourced_ret_c nfacct_send_initiate(struct counter_arg *carg);
  88
  89 resourced_ret_c exec_iptables_cmd(const char *cmd_buf, pid_t *pid);
  90 resourced_ret_c produce_net_rule(struct nfacct_rule *rule,
  91                         const int send_limit, const int rcv_limit,
  92                         const nfacct_rule_action action,
  93                         const nfacct_rule_jump jump,
  94                         const nfacct_rule_direction iotype);
  95
  96 #endif /* _RESOURCED_NFACCT_RULE_H */
  97