[PATCH libnftnl 7/7] quota: support for consumed bytes

[Pablo Neira Ayuso]

This patch extends the quota support to account for consumed bytes.

Signed-off-by: Pablo Neira Ayuso <pa...@netfilter.org>
---
 include/libnftnl/expr.h |  1 +
 src/expr/quota.c        | 26 +++++++++++++++++++++++---
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/include/libnftnl/expr.h b/include/libnftnl/expr.h
index ee0784928550..74e986de6b4b 100644
--- a/include/libnftnl/expr.h
+++ b/include/libnftnl/expr.h
@@ -196,6 +196,7 @@ enum {
 enum {
        NFTNL_EXPR_QUOTA_BYTES  = NFTNL_EXPR_BASE,
        NFTNL_EXPR_QUOTA_FLAGS,
+       NFTNL_EXPR_QUOTA_CONSUMED,
 };
 
 enum {
diff --git a/src/expr/quota.c b/src/expr/quota.c
index 7740b24c45f3..667e6e17c28c 100644
--- a/src/expr/quota.c
+++ b/src/expr/quota.c
@@ -22,6 +22,7 @@
 
 struct nftnl_expr_quota {
        uint64_t        bytes;
+       uint64_t        consumed;
        uint32_t        flags;
 };
 
@@ -34,6 +35,9 @@ static int nftnl_expr_quota_set(struct nftnl_expr *e, 
uint16_t type,
        case NFTNL_EXPR_QUOTA_BYTES:
                quota->bytes = *((uint64_t *)data);
                break;
+       case NFTNL_EXPR_QUOTA_CONSUMED:
+               quota->consumed = *((uint64_t *)data);
+               break;
        case NFTNL_EXPR_QUOTA_FLAGS:
                quota->flags = *((uint32_t *)data);
                break;
@@ -52,6 +56,9 @@ static const void *nftnl_expr_quota_get(const struct 
nftnl_expr *e,
        case NFTNL_EXPR_QUOTA_BYTES:
                *data_len = sizeof(quota->bytes);
                return &quota->bytes;
+       case NFTNL_EXPR_QUOTA_CONSUMED:
+               *data_len = sizeof(quota->consumed);
+               return &quota->consumed;
        case NFTNL_EXPR_QUOTA_FLAGS:
                *data_len = sizeof(quota->flags);
                return &quota->flags;
@@ -69,6 +76,7 @@ static int nftnl_expr_quota_cb(const struct nlattr *attr, 
void *data)
 
        switch(type) {
        case NFTA_QUOTA_BYTES:
+       case NFTA_QUOTA_CONSUMED:
                if (mnl_attr_validate(attr, MNL_TYPE_U64) < 0)
                        abi_breakage();
                break;
@@ -89,6 +97,8 @@ nftnl_expr_quota_build(struct nlmsghdr *nlh, const struct 
nftnl_expr *e)
 
        if (e->flags & (1 << NFTNL_EXPR_QUOTA_BYTES))
                mnl_attr_put_u64(nlh, NFTA_QUOTA_BYTES, htobe64(quota->bytes));
+       if (e->flags & (1 << NFTNL_EXPR_QUOTA_CONSUMED))
+               mnl_attr_put_u64(nlh, NFTA_QUOTA_CONSUMED, 
htobe64(quota->consumed));
        if (e->flags & (1 << NFTNL_EXPR_QUOTA_FLAGS))
                mnl_attr_put_u32(nlh, NFTA_QUOTA_FLAGS, htonl(quota->flags));
 }
@@ -106,6 +116,10 @@ nftnl_expr_quota_parse(struct nftnl_expr *e, struct nlattr 
*attr)
                quota->bytes = be64toh(mnl_attr_get_u64(tb[NFTA_QUOTA_BYTES]));
                e->flags |= (1 << NFTNL_EXPR_QUOTA_BYTES);
        }
+       if (tb[NFTA_QUOTA_CONSUMED]) {
+               quota->consumed = 
be64toh(mnl_attr_get_u64(tb[NFTA_QUOTA_CONSUMED]));
+               e->flags |= (1 << NFTNL_EXPR_QUOTA_CONSUMED);
+       }
        if (tb[NFTA_QUOTA_FLAGS]) {
                quota->flags = ntohl(mnl_attr_get_u32(tb[NFTA_QUOTA_FLAGS]));
                e->flags |= (1 << NFTNL_EXPR_QUOTA_FLAGS);
@@ -119,12 +133,15 @@ nftnl_expr_quota_json_parse(struct nftnl_expr *e, json_t 
*root,
                                 struct nftnl_parse_err *err)
 {
 #ifdef JSON_PARSING
-       uint64_t bytes;
+       uint64_t bytes, consumed;
        uint32_t flags;
 
        if (nftnl_jansson_parse_val(root, "bytes", NFTNL_TYPE_U64, &bytes,
                                  err) == 0)
                nftnl_expr_set_u64(e, NFTNL_EXPR_QUOTA_BYTES, bytes);
+       if (nftnl_jansson_parse_val(root, "consumed", NFTNL_TYPE_U64, &consumed,
+                                 err) == 0)
+               nftnl_expr_set_u64(e, NFTNL_EXPR_QUOTA_CONSUMED, consumed);
        if (nftnl_jansson_parse_val(root, "flags", NFTNL_TYPE_U32, &flags,
                                  err) == 0)
                nftnl_expr_set_u32(e, NFTNL_EXPR_QUOTA_FLAGS, flags);
@@ -144,6 +161,8 @@ static int nftnl_expr_quota_export(char *buf, size_t size,
 
        if (e->flags & (1 << NFTNL_EXPR_QUOTA_BYTES))
                nftnl_buf_u64(&b, type, quota->bytes, BYTES);
+       if (e->flags & (1 << NFTNL_EXPR_QUOTA_CONSUMED))
+               nftnl_buf_u64(&b, type, quota->consumed, CONSUMED);
        if (e->flags & (1 << NFTNL_EXPR_QUOTA_FLAGS))
                nftnl_buf_u32(&b, type, quota->flags, FLAGS);
 
@@ -155,8 +174,9 @@ static int nftnl_expr_quota_snprintf_default(char *buf, 
size_t len,
 {
        struct nftnl_expr_quota *quota = nftnl_expr_data(e);
 
-       return snprintf(buf, len, "bytes %"PRIu64" flags %u ",
-                       quota->bytes, quota->flags);
+       return snprintf(buf, len,
+                       "bytes %"PRIu64" consumed %"PRIu64" flags %u ",
+                       quota->bytes, quota->consumed, quota->flags);
 }
 
 static int nftnl_expr_quota_snprintf(char *buf, size_t len, uint32_t type,
-- 
2.1.4

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