Code refactoring in nft_rule_expr_exthdr functions.
This patch adds three new functions:
* nft_rule_expr_exthdr_snprinf_default
* nft_rule_expr_exthdr_snprinf_xml
* nft_rule_expr_exthdr_snprinf_json
Signed-off-by: Ana Rey <anarey@xxxxxxxxx>
---
src/expr/exthdr.c | 56 +++++++++++++++++++++++++++++++++++++------------------
1 file changed, 38 insertions(+), 18 deletions(-)
diff --git a/src/expr/exthdr.c b/src/expr/exthdr.c
index 66a6cf5..ad80826 100644
--- a/src/expr/exthdr.c
+++ b/src/expr/exthdr.c
@@ -285,32 +285,52 @@ nft_rule_expr_exthdr_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree,
#endif
}
+static int nft_rule_expr_exthdr_snprintf_json(char *buf, size_t len,
+ struct nft_rule_expr *e)
+{
+ struct nft_expr_exthdr *exthdr = nft_expr_data(e);
+
+ return snprintf(buf, len, "\"dreg\":%u,"
+ "\"exthdr_type\":\"%s\",\"offset\":%u,"
+ "\"len\":%u",
+ exthdr->dreg, exthdr_type2str(exthdr->type),
+ exthdr->offset, exthdr->len);
+}
+
+static int nft_rule_expr_exthdr_snprintf_xml(char *buf, size_t len,
+ struct nft_rule_expr *e)
+{
+ struct nft_expr_exthdr *exthdr = nft_expr_data(e);
+
+ return snprintf(buf, len, "<dreg>%u</dreg>"
+ "<exthdr_type>%s</exthdr_type>"
+ "<offset>%u</offset>"
+ "<len>%u</len>",
+ exthdr->dreg, exthdr_type2str(exthdr->type),
+ exthdr->offset, exthdr->len);
+}
+
+static int nft_rule_expr_exthdr_snprintf_default(char *buf, size_t len,
+ struct nft_rule_expr *e)
+{
+ struct nft_expr_exthdr *exthdr = nft_expr_data(e);
+
+ return snprintf(buf, len, "load %ub @ %u + %u => reg %u ",
+ exthdr->len, exthdr->type, exthdr->offset,
+ exthdr->dreg);
+}
+
static int
nft_rule_expr_exthdr_snprintf(char *buf, size_t len, uint32_t type,
uint32_t flags, struct nft_rule_expr *e)
{
- struct nft_expr_exthdr *exthdr = nft_expr_data(e);
-
switch(type) {
case NFT_OUTPUT_DEFAULT:
- return snprintf(buf, len, "load %ub @ %u + %u => reg %u ",
- exthdr->len, exthdr->type,
- exthdr->offset, exthdr->dreg);
+ return nft_rule_expr_exthdr_snprintf_default(buf, len, e);
case NFT_OUTPUT_XML:
- return snprintf(buf, len, "<dreg>%u</dreg>"
- "<exthdr_type>%s</exthdr_type>"
- "<offset>%u</offset>"
- "<len>%u</len>",
- exthdr->dreg,
- exthdr_type2str(exthdr->type),
- exthdr->offset, exthdr->len);
+ return nft_rule_expr_exthdr_snprintf_xml(buf, len, e);
case NFT_OUTPUT_JSON:
- return snprintf(buf, len, "\"dreg\":%u,"
- "\"exthdr_type\":\"%s\",\"offset\":%u,"
- "\"len\":%u",
- exthdr->dreg,
- exthdr_type2str(exthdr->type),
- exthdr->offset, exthdr->len);
+ return nft_rule_expr_exthdr_snprintf_json(buf, len, e);
default:
break;
}
--
2.0.0
--
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